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 int zero                           : 7; /* 25-31 */
 142   unsigned int video_pres_mode_change         : 1; /* 24 */
 143
 144   unsigned int karaoke_audio_pres_mode_change : 1; /* 23 */
 145   unsigned int angle_change                   : 1;
 146   unsigned int subpic_stream_change           : 1;
 147   unsigned int audio_stream_change            : 1;
 148   unsigned int pause_on                       : 1;
 149   unsigned int still_off                      : 1;
 150   unsigned int button_select_or_activate      : 1;
 151   unsigned int resume                         : 1; /* 16 */
 152
 153   unsigned int chapter_menu_call              : 1; /* 15 */
 154   unsigned int angle_menu_call                : 1;
 155   unsigned int audio_menu_call                : 1;
 156   unsigned int subpic_menu_call               : 1;
 157   unsigned int root_menu_call                 : 1;
 158   unsigned int title_menu_call                : 1;
 159   unsigned int backward_scan                  : 1;
 160   unsigned int forward_scan                   : 1; /* 8 */
 161
 162   unsigned int next_pg_search                 : 1; /* 7 */
 163   unsigned int prev_or_top_pg_search          : 1;
 164   unsigned int time_or_chapter_search         : 1;
 165   unsigned int go_up                          : 1;
 166   unsigned int stop                           : 1;
 167   unsigned int title_play                     : 1;
 168   unsigned int chapter_search_or_play         : 1;
 169   unsigned int title_or_time_play             : 1; /* 0 */
 170 #else
 171   unsigned int video_pres_mode_change         : 1; /* 24 */
 172   unsigned int zero                           : 7; /* 25-31 */
 173
 174   unsigned int resume                         : 1; /* 16 */
 175   unsigned int button_select_or_activate      : 1;
 176   unsigned int still_off                      : 1;
 177   unsigned int pause_on                       : 1;
 178   unsigned int audio_stream_change            : 1;
 179   unsigned int subpic_stream_change           : 1;
 180   unsigned int angle_change                   : 1;
 181   unsigned int karaoke_audio_pres_mode_change : 1; /* 23 */
 182
 183   unsigned int forward_scan                   : 1; /* 8 */
 184   unsigned int backward_scan                  : 1;
 185   unsigned int title_menu_call                : 1;
 186   unsigned int root_menu_call                 : 1;
 187   unsigned int subpic_menu_call               : 1;
 188   unsigned int audio_menu_call                : 1;
 189   unsigned int angle_menu_call                : 1;
 190   unsigned int chapter_menu_call              : 1; /* 15 */
 191
 192   unsigned int title_or_time_play             : 1; /* 0 */
 193   unsigned int chapter_search_or_play         : 1;
 194   unsigned int title_play                     : 1;
 195   unsigned int stop                           : 1;
 196   unsigned int go_up                          : 1;
 197   unsigned int time_or_chapter_search         : 1;
 198   unsigned int prev_or_top_pg_search          : 1;
 199   unsigned int 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   unsigned int btn_coln         : 2;  /**< button color number */
 297   unsigned int x_start          : 10; /**< x start offset within the overlay */
 298   unsigned int zero1            : 2;  /**< reserved */
 299   unsigned int x_end            : 10; /**< x end offset within the overlay */
 300
 301   unsigned int zero3            : 2;  /**< reserved */
 302   unsigned int up               : 6;  /**< button index when pressing up */
 303
 304   unsigned int auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 305   unsigned int y_start          : 10; /**< y start offset within the overlay */
 306   unsigned int zero2            : 2;  /**< reserved */
 307   unsigned int y_end            : 10; /**< y end offset within the overlay */
 308
 309   unsigned int zero4            : 2;  /**< reserved */
 310   unsigned int 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   unsigned int x_end            : 10;
 317   unsigned int zero1            : 2;
 318   unsigned int x_start          : 10;
 319   unsigned int btn_coln         : 2;
 320
 321   unsigned int up               : 6;
 322   unsigned int zero3            : 2;
 323
 324   unsigned int y_end            : 10;
 325   unsigned int zero2            : 2;
 326   unsigned int y_start          : 10;
 327   unsigned int auto_action_mode : 2;
 328
 329   unsigned int down             : 6;
 330   unsigned int 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 /**
 367  * What's between a directory and a filename?
 368  */
 369 #if defined( WIN32 )
 370     #define DIRECTORY_SEPARATOR '\\'
 371 #else
 372     #define DIRECTORY_SEPARATOR '/'
 373 #endif
 374
 375 using namespace LIBMATROSKA_NAMESPACE;
 376 using namespace std;
 377
 378 /*****************************************************************************
 379  * Module descriptor
 380  *****************************************************************************/
 381 static int  Open ( vlc_object_t * );
 382 static void Close( vlc_object_t * );
 383
 384 vlc_module_begin();
 385     set_shortname( _("Matroska") );
 386     set_description( _("Matroska stream demuxer" ) );
 387     set_capability( "demux2", 50 );
 388     set_callbacks( Open, Close );
 389     set_category( CAT_INPUT );
 390     set_subcategory( SUBCAT_INPUT_DEMUX );
 391
 392     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 393             N_("Ordered chapters"),
 394             N_("Play ordered chapters as specified in the segment"), VLC_TRUE );
 395
 396     add_bool( "mkv-use-chapter-codec", 1, NULL,
 397             N_("Chapter codecs"),
 398             N_("Use chapter codecs found in the segment"), VLC_TRUE );
 399
 400     add_bool( "mkv-seek-percent", 0, NULL,
 401             N_("Seek based on percent not time"),
 402             N_("Seek based on percent not time"), VLC_TRUE );
 403
 404     add_bool( "mkv-use-dummy", 0, NULL,
 405             N_("Dummy Elements"),
 406             N_("Read and discard unknown EBML elements (not good for broken files)"), VLC_TRUE );
 407
 408     add_shortcut( "mka" );
 409     add_shortcut( "mkv" );
 410 vlc_module_end();
 411
 412 /*****************************************************************************
 413  * Local prototypes
 414  *****************************************************************************/
 415 #ifdef HAVE_ZLIB_H
 416 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 417     int result, dstsize, n;
 418     unsigned char *dst;
 419     block_t *p_block;
 420     z_stream d_stream;
 421
 422     d_stream.zalloc = (alloc_func)0;
 423     d_stream.zfree = (free_func)0;
 424     d_stream.opaque = (voidpf)0;
 425     result = inflateInit(&d_stream);
 426     if( result != Z_OK )
 427     {
 428         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 429         return NULL;
 430     }
 431
 432     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 433     d_stream.avail_in = p_in_block->i_buffer;
 434     n = 0;
 435     p_block = block_New( p_this, 0 );
 436     dst = NULL;
 437     do
 438     {
 439         n++;
 440         p_block = block_Realloc( p_block, 0, n * 1000 );
 441         dst = (unsigned char *)p_block->p_buffer;
 442         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 443         d_stream.avail_out = 1000;
 444         result = inflate(&d_stream, Z_NO_FLUSH);
 445         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 446         {
 447             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 448             return NULL;
 449         }
 450     }
 451     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 452            ( result != Z_STREAM_END ) );
 453
 454     dstsize = d_stream.total_out;
 455     inflateEnd( &d_stream );
 456
 457     p_block = block_Realloc( p_block, 0, dstsize );
 458     p_block->i_buffer = dstsize;
 459     block_Release( p_in_block );
 460
 461     return p_block;
 462 }
 463 #endif
 464
 465 /**
 466  * Helper function to print the mkv parse tree
 467  */
 468 static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
 469 {
 470     va_list args;
 471     if( i_level > 9 )
 472     {
 473         msg_Err( &demuxer, "too deep tree" );
 474         return;
 475     }
 476     va_start( args, psz_format );
 477     static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
 478     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 479     strncpy( psz_foo2, psz_foo, 4 * i_level );
 480     psz_foo2[ 4 * i_level ] = '+';
 481     psz_foo2[ 4 * i_level + 1 ] = ' ';
 482     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 483     __msg_GenericVa( VLC_OBJECT(&demuxer), VLC_MSG_DBG, "mkv", psz_foo2, args );
 484     free( psz_foo2 );
 485     va_end( args );
 486 }
 487
 488 /*****************************************************************************
 489  * Stream managment
 490  *****************************************************************************/
 491 class vlc_stream_io_callback: public IOCallback
 492 {
 493   private:
 494     stream_t       *s;
 495     vlc_bool_t     mb_eof;
 496
 497   public:
 498     vlc_stream_io_callback( stream_t * );
 499
 500     virtual uint32   read            ( void *p_buffer, size_t i_size);
 501     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 502     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 503     virtual uint64   getFilePointer  ( void );
 504     virtual void     close           ( void );
 505 };
 506
 507 /*****************************************************************************
 508  * Ebml Stream parser
 509  *****************************************************************************/
 510 class EbmlParser
 511 {
 512   public:
 513     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 514     virtual ~EbmlParser( void );
 515
 516     void Up( void );
 517     void Down( void );
 518     void Reset( demux_t *p_demux );
 519     EbmlElement *Get( void );
 520     void        Keep( void );
 521
 522     int GetLevel( void );
 523
 524   private:
 525     EbmlStream  *m_es;
 526     int         mi_level;
 527     EbmlElement *m_el[10];
 528     int64_t      mi_remain_size[10];
 529
 530     EbmlElement *m_got;
 531
 532     int         mi_user_level;
 533     vlc_bool_t  mb_keep;
 534     vlc_bool_t  mb_dummy;
 535 };
 536
 537
 538 /*****************************************************************************
 539  * Some functions to manipulate memory
 540  *****************************************************************************/
 541 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 542 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 543 {
 544     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 545 }
 546
 547 /*****************************************************************************
 548  * definitions of structures and functions used by this plugins
 549  *****************************************************************************/
 550 typedef struct
 551 {
 552     vlc_bool_t   b_default;
 553     vlc_bool_t   b_enabled;
 554     unsigned int i_number;
 555
 556     int          i_extra_data;
 557     uint8_t      *p_extra_data;
 558
 559     char         *psz_codec;
 560
 561     uint64_t     i_default_duration;
 562     float        f_timecodescale;
 563
 564     /* video */
 565     es_format_t fmt;
 566     float       f_fps;
 567     es_out_id_t *p_es;
 568
 569     vlc_bool_t      b_inited;
 570     /* data to be send first */
 571     int             i_data_init;
 572     uint8_t         *p_data_init;
 573
 574     /* hack : it's for seek */
 575     vlc_bool_t      b_search_keyframe;
 576     vlc_bool_t      b_silent;
 577
 578     /* informative */
 579     char         *psz_codec_name;
 580     char         *psz_codec_settings;
 581     char         *psz_codec_info_url;
 582     char         *psz_codec_download_url;
 583
 584     /* encryption/compression */
 585     int           i_compression_type;
 586
 587 } mkv_track_t;
 588
 589 typedef struct
 590 {
 591     int     i_track;
 592     int     i_block_number;
 593
 594     int64_t i_position;
 595     int64_t i_time;
 596
 597     vlc_bool_t b_key;
 598 } mkv_index_t;
 599
 600 class demux_sys_t;
 601
 602 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 603 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 604 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 605 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 606 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 607 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 608 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 609
 610 class chapter_codec_cmds_c
 611 {
 612 public:
 613     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 614     :i_codec_id( codec_id )
 615     ,sys( demuxer )
 616     {}
 617
 618     virtual ~chapter_codec_cmds_c() {}
 619
 620     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 621     {
 622         m_private_data = *( new KaxChapterProcessPrivate( private_data ) );
 623     }
 624
 625     void AddCommand( const KaxChapterProcessCommand & command );
 626
 627     /// \return wether the codec has seeked in the files or not
 628     virtual bool Enter() { return false; }
 629     virtual bool Leave() { return false; }
 630     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 631
 632     KaxChapterProcessPrivate m_private_data;
 633
 634 protected:
 635     std::vector<KaxChapterProcessData> enter_cmds;
 636     std::vector<KaxChapterProcessData> during_cmds;
 637     std::vector<KaxChapterProcessData> leave_cmds;
 638
 639     int i_codec_id;
 640     demux_sys_t & sys;
 641 };
 642
 643 class dvd_command_interpretor_c
 644 {
 645 public:
 646     dvd_command_interpretor_c( demux_sys_t & demuxer )
 647     :sys( demuxer )
 648     {
 649         memset( p_PRMs, 0, sizeof(p_PRMs) );
 650         p_PRMs[ 0x80 + 1 ] = 15;
 651         p_PRMs[ 0x80 + 2 ] = 62;
 652         p_PRMs[ 0x80 + 3 ] = 1;
 653         p_PRMs[ 0x80 + 4 ] = 1;
 654         p_PRMs[ 0x80 + 7 ] = 1;
 655         p_PRMs[ 0x80 + 8 ] = 1;
 656         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 657         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 658     }
 659
 660     bool Interpret( const binary * p_command, size_t i_size = 8 );
 661
 662 protected:
 663     uint16 GetPRM( size_t index ) const
 664     {
 665         if ( index < 256 )
 666             return p_PRMs[ index ];
 667         else return 0;
 668     }
 669
 670     uint16 GetGPRM( size_t index ) const
 671     {
 672         if ( index >= 0 && index < 16 )
 673             return p_PRMs[ index ];
 674         else return 0;
 675     }
 676
 677     uint16 GetSPRM( size_t index ) const
 678     {
 679         // 21,22,23 reserved for future use
 680         if ( index >= 0x80 && index < 0x95 )
 681             return p_PRMs[ index ];
 682         else return 0;
 683     }
 684
 685     bool SetPRM( size_t index, uint16 value )
 686     {
 687         if ( index >= 0 && index < 16 )
 688         {
 689             p_PRMs[ index ] = value;
 690             return true;
 691         }
 692         return false;
 693     }
 694
 695     bool SetGPRM( size_t index, uint16 value )
 696     {
 697         if ( index >= 0 && index < 16 )
 698         {
 699             p_PRMs[ index ] = value;
 700             return true;
 701         }
 702         return false;
 703     }
 704
 705     bool SetSPRM( size_t index, uint16 value )
 706     {
 707         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 708         {
 709             p_PRMs[ index ] = value;
 710             return true;
 711         }
 712         return false;
 713     }
 714
 715     std::string GetRegTypeName( bool b_value, uint16 value ) const
 716     {
 717         std::string result;
 718         char s_value[6], s_reg_value[6];
 719         sprintf( s_value, "%.5d", value );
 720
 721         if ( b_value )
 722         {
 723             result = "value (";
 724             result += s_value;
 725             result += ")";
 726         }
 727         else if ( value < 0x80 )
 728         {
 729             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 730             result = "GPreg[";
 731             result += s_value;
 732             result += "] (";
 733             result += s_reg_value;
 734             result += ")";
 735         }
 736         else
 737         {
 738             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 739             result = "SPreg[";
 740             result += s_value;
 741             result += "] (";
 742             result += s_reg_value;
 743             result += ")";
 744         }
 745         return result;
 746     }
 747
 748     uint16       p_PRMs[256];
 749     demux_sys_t  & sys;
 750
 751     // DVD command IDs
 752
 753     // Tests
 754     // wether the test has to be positive or not
 755     static const uint16 CMD_DVD_IF_NOT              = 0x10;
 756     // wether it's a comparison on the value or register
 757     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 758     static const uint16 CMD_DVD_IF_GPREG_AND        = (0 << 5);
 759     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (1 << 5);
 760     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (2 << 5);
 761     static const uint16 CMD_DVD_IF_GPREG_INF        = (3 << 5);
 762
 763     static const uint16 CMD_DVD_NOP                    = 0x0000;
 764     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 765     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 766     // Links
 767     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 768     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 769     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 770     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 771     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 772     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 773     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 774     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 775     //
 776     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 777     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 778     static const uint16 CMD_DVD_SET_AUDIO              = 0x5100;
 779     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 780     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 781     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 782     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 783     // Operations
 784     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 785     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 786     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 787     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 788     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 789     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 790
 791     // callbacks when browsing inside CodecPrivate
 792     static bool MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 793     static bool MatchPgcType    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 794 };
 795
 796 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 797 {
 798 public:
 799     dvd_chapter_codec_c( demux_sys_t & sys )
 800     :chapter_codec_cmds_c( sys, 1 )
 801     ,interpretor( sys )
 802     {}
 803
 804     bool Enter();
 805     bool Leave();
 806     std::string GetCodecName( bool f_for_title = false ) const;
 807
 808 protected:
 809     dvd_command_interpretor_c interpretor;
 810 };
 811
 812 class matroska_script_interpretor_c
 813 {
 814 public:
 815     matroska_script_interpretor_c( demux_sys_t & demuxer )
 816     :sys( demuxer )
 817     {}
 818
 819     bool Interpret( const binary * p_command, size_t i_size );
 820
 821     // DVD command IDs
 822     static const std::string CMD_MS_GOTO_AND_PLAY;
 823
 824 protected:
 825     demux_sys_t  & sys;
 826 };
 827
 828 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 829
 830
 831 class matroska_script_codec_c : public chapter_codec_cmds_c
 832 {
 833 public:
 834     matroska_script_codec_c( demux_sys_t & sys )
 835     :chapter_codec_cmds_c( sys, 0 )
 836     ,interpretor( sys )
 837     {}
 838
 839     bool Enter();
 840     bool Leave();
 841
 842 protected:
 843     matroska_script_interpretor_c interpretor;
 844 };
 845
 846 class chapter_translation_c
 847 {
 848 public:
 849     KaxChapterTranslateID  translated;
 850     unsigned int           codec_id;
 851     std::vector<uint64_t>  editions;
 852 };
 853
 854 class chapter_item_c
 855 {
 856 public:
 857     chapter_item_c()
 858     :i_start_time(0)
 859     ,i_end_time(-1)
 860     ,i_user_start_time(-1)
 861     ,i_user_end_time(-1)
 862     ,i_seekpoint_num(-1)
 863     ,b_display_seekpoint(true)
 864     ,b_user_display(false)
 865     ,psz_parent(NULL)
 866     ,b_is_leaving(false)
 867     {}
 868
 869     virtual ~chapter_item_c()
 870     {
 871         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 872         while ( index != codecs.end() )
 873         {
 874             delete (*index);
 875             index++;
 876         }
 877         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 878         while ( index_ != sub_chapters.end() )
 879         {
 880             delete (*index_);
 881             index_++;
 882         }
 883     }
 884
 885     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 886     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 887     chapter_item_c * FindTimecode( mtime_t i_timecode );
 888     void Append( const chapter_item_c & edition );
 889     chapter_item_c * FindChapter( int64_t i_find_uid );
 890     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 891                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 892                                     const void *p_cookie,
 893                                     size_t i_cookie_size );
 894     std::string                 GetCodecName( bool f_for_title = false ) const;
 895     bool                        ParentOf( const chapter_item_c & item ) const;
 896
 897     int64_t                     i_start_time, i_end_time;
 898     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 899     std::vector<chapter_item_c*> sub_chapters;
 900     int                         i_seekpoint_num;
 901     int64_t                     i_uid;
 902     bool                        b_display_seekpoint;
 903     bool                        b_user_display;
 904     std::string                 psz_name;
 905     chapter_item_c              *psz_parent;
 906     bool                        b_is_leaving;
 907
 908     std::vector<chapter_codec_cmds_c*> codecs;
 909
 910     bool operator<( const chapter_item_c & item ) const
 911     {
 912         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) );
 913     }
 914
 915     bool Enter( bool b_do_subchapters );
 916     bool Leave( bool b_do_subchapters );
 917     bool EnterAndLeave( chapter_item_c *p_item );
 918 };
 919
 920 class chapter_edition_c : public chapter_item_c
 921 {
 922 public:
 923     chapter_edition_c()
 924     :b_ordered(false)
 925     {}
 926
 927     void RefreshChapters( );
 928     mtime_t Duration() const;
 929     std::string GetMainName() const;
 930
 931     bool                        b_ordered;
 932 };
 933
 934 class matroska_segment_c
 935 {
 936 public:
 937     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
 938         :segment(NULL)
 939         ,es(estream)
 940         ,i_timescale(MKVD_TIMECODESCALE)
 941         ,i_duration(-1)
 942         ,i_start_time(0)
 943         ,i_cues_position(-1)
 944         ,i_chapters_position(-1)
 945         ,i_tags_position(-1)
 946         ,cluster(NULL)
 947         ,i_start_pos(0)
 948         ,b_cues(VLC_FALSE)
 949         ,i_index(0)
 950         ,i_index_max(1024)
 951         ,psz_muxing_application(NULL)
 952         ,psz_writing_application(NULL)
 953         ,psz_segment_filename(NULL)
 954         ,psz_title(NULL)
 955         ,psz_date_utc(NULL)
 956         ,i_default_edition(0)
 957         ,sys(demuxer)
 958         ,ep(NULL)
 959         ,b_preloaded(false)
 960     {
 961         index = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
 962     }
 963
 964     virtual ~matroska_segment_c()
 965     {
 966         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
 967         {
 968             if( tracks[i_track]->fmt.psz_description )
 969             {
 970                 free( tracks[i_track]->fmt.psz_description );
 971             }
 972             if( tracks[i_track]->psz_codec )
 973             {
 974                 free( tracks[i_track]->psz_codec );
 975             }
 976             if( tracks[i_track]->fmt.psz_language )
 977             {
 978                 free( tracks[i_track]->fmt.psz_language );
 979             }
 980             delete tracks[i_track];
 981         }
 982
 983         if( psz_writing_application )
 984         {
 985             free( psz_writing_application );
 986         }
 987         if( psz_muxing_application )
 988         {
 989             free( psz_muxing_application );
 990         }
 991         if( psz_segment_filename )
 992         {
 993             free( psz_segment_filename );
 994         }
 995         if( psz_title )
 996         {
 997             free( psz_title );
 998         }
 999         if( psz_date_utc )
1000         {
1001             free( psz_date_utc );
1002         }
1003         if ( index )
1004             free( index );
1005
1006         delete ep;
1007
1008         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1009         while ( index != stored_editions.end() )
1010         {
1011             delete (*index);
1012             index++;
1013         }
1014     }
1015
1016     KaxSegment              *segment;
1017     EbmlStream              & es;
1018
1019     /* time scale */
1020     uint64_t                i_timescale;
1021
1022     /* duration of the segment */
1023     mtime_t                 i_duration;
1024     mtime_t                 i_start_time;
1025
1026     /* all tracks */
1027     std::vector<mkv_track_t*> tracks;
1028
1029     /* from seekhead */
1030     int64_t                 i_cues_position;
1031     int64_t                 i_chapters_position;
1032     int64_t                 i_tags_position;
1033
1034     KaxCluster              *cluster;
1035     int64_t                 i_start_pos;
1036     KaxSegmentUID           segment_uid;
1037     KaxPrevUID              prev_segment_uid;
1038     KaxNextUID              next_segment_uid;
1039
1040     vlc_bool_t              b_cues;
1041     int                     i_index;
1042     int                     i_index_max;
1043     mkv_index_t             *index;
1044
1045     /* info */
1046     char                    *psz_muxing_application;
1047     char                    *psz_writing_application;
1048     char                    *psz_segment_filename;
1049     char                    *psz_title;
1050     char                    *psz_date_utc;
1051
1052     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1053     /* when you remove this variable the compiler issues an atomicity error */
1054     /* this variable only works when using std::vector<chapter_edition_c> */
1055     std::vector<chapter_edition_c*> stored_editions;
1056     int                             i_default_edition;
1057
1058     std::vector<chapter_translation_c> translations;
1059     std::vector<KaxSegmentFamily>  families;
1060
1061     demux_sys_t                    & sys;
1062     EbmlParser                     *ep;
1063     bool                           b_preloaded;
1064
1065     bool Preload( );
1066     bool PreloadFamily( const matroska_segment_c & segment );
1067     void ParseInfo( KaxInfo *info );
1068     void ParseChapters( KaxChapters *chapters );
1069     void ParseSeekHead( KaxSeekHead *seekhead );
1070     void ParseTracks( KaxTracks *tracks );
1071     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1072     void ParseTrackEntry( KaxTrackEntry *m );
1073     void ParseCluster( );
1074     void IndexAppendCluster( KaxCluster *cluster );
1075     void LoadCues( );
1076     void LoadTags( );
1077     void InformationCreate( );
1078     void Seek( mtime_t i_date, mtime_t i_time_offset );
1079     int BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
1080     bool Select( mtime_t i_start_time );
1081     void UnSelect( );
1082
1083     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1084 };
1085
1086 // class holding hard-linked segment together in the playback order
1087 class virtual_segment_c
1088 {
1089 public:
1090     virtual_segment_c( matroska_segment_c *p_segment )
1091         :p_editions(NULL)
1092         ,i_sys_title(0)
1093         ,i_current_segment(0)
1094         ,i_current_edition(-1)
1095         ,psz_current_chapter(NULL)
1096     {
1097         linked_segments.push_back( p_segment );
1098
1099         AppendUID( p_segment->segment_uid );
1100         AppendUID( p_segment->prev_segment_uid );
1101         AppendUID( p_segment->next_segment_uid );
1102     }
1103
1104     void Sort();
1105     size_t AddSegment( matroska_segment_c *p_segment );
1106     void PreloadLinked( );
1107     mtime_t Duration( ) const;
1108     void LoadCues( );
1109     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1110
1111     inline chapter_edition_c *Edition()
1112     {
1113         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1114             return (*p_editions)[i_current_edition];
1115         return NULL;
1116     }
1117
1118     matroska_segment_c * Segment() const
1119     {
1120         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1121             return NULL;
1122         return linked_segments[i_current_segment];
1123     }
1124
1125     inline chapter_item_c *CurrentChapter() {
1126         return psz_current_chapter;
1127     }
1128
1129     bool SelectNext()
1130     {
1131         if ( i_current_segment < linked_segments.size()-1 )
1132         {
1133             i_current_segment++;
1134             return true;
1135         }
1136         return false;
1137     }
1138
1139     bool FindUID( KaxSegmentUID & uid ) const
1140     {
1141         for ( size_t i=0; i<linked_uids.size(); i++ )
1142         {
1143             if ( linked_uids[i] == uid )
1144                 return true;
1145         }
1146         return false;
1147     }
1148
1149     bool UpdateCurrentToChapter( demux_t & demux );
1150     void PrepareChapters( );
1151
1152     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1153                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1154                                         const void *p_cookie,
1155                                         size_t i_cookie_size );
1156     chapter_item_c *FindChapter( int64_t i_find_uid );
1157
1158     std::vector<chapter_edition_c*>  *p_editions;
1159     int                              i_sys_title;
1160
1161 protected:
1162     std::vector<matroska_segment_c*> linked_segments;
1163     std::vector<KaxSegmentUID>       linked_uids;
1164     size_t                           i_current_segment;
1165
1166     int                              i_current_edition;
1167     chapter_item_c                   *psz_current_chapter;
1168
1169     void                             AppendUID( const EbmlBinary & UID );
1170 };
1171
1172 class matroska_stream_c
1173 {
1174 public:
1175     matroska_stream_c( demux_sys_t & demuxer )
1176         :p_in(NULL)
1177         ,p_es(NULL)
1178         ,sys(demuxer)
1179     {}
1180
1181     virtual ~matroska_stream_c()
1182     {
1183         delete p_in;
1184         delete p_es;
1185     }
1186
1187     IOCallback         *p_in;
1188     EbmlStream         *p_es;
1189
1190     std::vector<matroska_segment_c*> segments;
1191
1192     demux_sys_t                      & sys;
1193 };
1194
1195 typedef struct
1196 {
1197     VLC_COMMON_MEMBERS
1198
1199     demux_t        *p_demux;
1200     vlc_mutex_t     lock;
1201
1202     vlc_bool_t      b_moved;
1203     vlc_bool_t      b_clicked;
1204     vlc_bool_t      b_key;
1205
1206 } event_thread_t;
1207
1208 class demux_sys_t
1209 {
1210 public:
1211     demux_sys_t( demux_t & demux )
1212         :demuxer(demux)
1213         ,i_pts(0)
1214         ,i_start_pts(0)
1215         ,i_chapter_time(0)
1216         ,meta(NULL)
1217         ,i_current_title(0)
1218         ,p_current_segment(NULL)
1219         ,f_duration(-1.0)
1220         ,b_ui_hooked(false)
1221         ,p_input(NULL)
1222         ,p_pci_packet(NULL)
1223         ,p_ev(NULL)
1224     {}
1225
1226     virtual ~demux_sys_t()
1227     {
1228         StopUiThread();
1229         size_t i;
1230         for ( i=0; i<streams.size(); i++ )
1231             delete streams[i];
1232         for ( i=0; i<opened_segments.size(); i++ )
1233             delete opened_segments[i];
1234         for ( i=0; i<used_segments.size(); i++ )
1235             delete used_segments[i];
1236     }
1237
1238     /* current data */
1239     demux_t                 & demuxer;
1240
1241     mtime_t                 i_pts;
1242     mtime_t                 i_start_pts;
1243     mtime_t                 i_chapter_time;
1244
1245     vlc_meta_t              *meta;
1246
1247     std::vector<input_title_t>       titles; // matroska editions
1248     size_t                           i_current_title;
1249
1250     std::vector<matroska_stream_c*>  streams;
1251     std::vector<matroska_segment_c*> opened_segments;
1252     std::vector<virtual_segment_c*>  used_segments;
1253     virtual_segment_c                *p_current_segment;
1254
1255     /* duration of the stream */
1256     float                   f_duration;
1257
1258     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1259     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1260                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1261                                         const void *p_cookie,
1262                                         size_t i_cookie_size,
1263                                         virtual_segment_c * & p_segment_found );
1264     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1265
1266     void PreloadFamily( const matroska_segment_c & of_segment );
1267     void PreloadLinked( matroska_segment_c *p_segment );
1268     bool PreparePlayback( virtual_segment_c *p_new_segment );
1269     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream );
1270
1271     void StartUiThread();
1272     void StopUiThread();
1273     bool b_ui_hooked;
1274
1275     /* for spu variables */
1276     input_thread_t *p_input;
1277     block_t        *p_pci_packet;
1278
1279     /* event */
1280     event_thread_t *p_ev;
1281     static int EventThread( vlc_object_t *p_this );
1282     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1283                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1284     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1285                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1286
1287
1288
1289 protected:
1290     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1291     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1292 };
1293
1294 static int  Demux  ( demux_t * );
1295 static int  Control( demux_t *, int, va_list );
1296 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1297
1298 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1299
1300 static char *UTF8ToStr          ( const UTFstring &u );
1301
1302 /*****************************************************************************
1303  * Open: initializes matroska demux structures
1304  *****************************************************************************/
1305 static int Open( vlc_object_t * p_this )
1306 {
1307     demux_t            *p_demux = (demux_t*)p_this;
1308     demux_sys_t        *p_sys;
1309     matroska_stream_c  *p_stream;
1310     matroska_segment_c *p_segment;
1311     uint8_t            *p_peek;
1312     std::string        s_path, s_filename;
1313     vlc_stream_io_callback *p_io_callback;
1314     EbmlStream         *p_io_stream;
1315
1316     /* peek the begining */
1317     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1318
1319     /* is a valid file */
1320     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1321         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1322
1323     /* Set the demux function */
1324     p_demux->pf_demux   = Demux;
1325     p_demux->pf_control = Control;
1326     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1327
1328     p_io_callback = new vlc_stream_io_callback( p_demux->s );
1329     p_io_stream = new EbmlStream( *p_io_callback );
1330
1331     if( p_io_stream == NULL )
1332     {
1333         msg_Err( p_demux, "failed to create EbmlStream" );
1334         delete p_io_callback;
1335         delete p_sys;
1336         return VLC_EGENERIC;
1337     }
1338
1339     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream );
1340     if( p_stream == NULL )
1341     {
1342         msg_Err( p_demux, "cannot find KaxSegment" );
1343         goto error;
1344     }
1345     p_sys->streams.push_back( p_stream );
1346
1347     p_stream->p_in = p_io_callback;
1348     p_stream->p_es = p_io_stream;
1349
1350     for (size_t i=0; i<p_stream->segments.size(); i++)
1351     {
1352         p_stream->segments[i]->Preload();
1353     }
1354
1355     p_segment = p_stream->segments[0];
1356     if( p_segment->cluster != NULL )
1357     {
1358         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1359
1360         // reset the stream reading to the first cluster of the segment used
1361         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1362     }
1363
1364     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1365     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1366     {
1367         // assume it's a regular file
1368         // get the directory path
1369         s_path = p_demux->psz_path;
1370         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1371         {
1372             s_path = s_path.substr(0,s_path.length()-1);
1373         }
1374         else
1375         {
1376             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1377             {
1378                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1379             }
1380         }
1381
1382         struct dirent *p_file_item;
1383         DIR *p_src_dir = opendir(s_path.c_str());
1384
1385         if (p_src_dir != NULL)
1386         {
1387             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1388             {
1389                 if (strlen(p_file_item->d_name) > 4)
1390                 {
1391                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1392
1393                     if (!s_filename.compare(p_demux->psz_path))
1394                         continue; // don't reuse the original opened file
1395
1396 #if defined(__GNUC__) && (__GNUC__ < 3)
1397                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1398                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1399 #else
1400                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1401                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1402 #endif
1403                     {
1404                         // test wether this file belongs to the our family
1405                         StdIOCallback *p_file_io = new StdIOCallback(s_filename.c_str(), MODE_READ);
1406                         EbmlStream *p_estream = new EbmlStream(*p_file_io);
1407
1408                         p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1409                         if ( p_stream == NULL )
1410                         {
1411                             msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1412                             delete p_estream;
1413                             delete p_file_io;
1414                         }
1415                         else
1416                         {
1417                             p_stream->p_in = p_file_io;
1418                             p_stream->p_es = p_estream;
1419                             p_sys->streams.push_back( p_stream );
1420                         }
1421                     }
1422                 }
1423             }
1424             closedir( p_src_dir );
1425         }
1426     }
1427
1428     p_sys->PreloadFamily( *p_segment );
1429     p_sys->PreloadLinked( p_segment );
1430     if ( !p_sys->PreparePlayback( NULL ) )
1431     {
1432         msg_Err( p_demux, "cannot use the segment" );
1433         goto error;
1434     }
1435
1436     return VLC_SUCCESS;
1437
1438 error:
1439     delete p_sys;
1440     return VLC_EGENERIC;
1441 }
1442
1443 /*****************************************************************************
1444  * Close: frees unused data
1445  *****************************************************************************/
1446 static void Close( vlc_object_t *p_this )
1447 {
1448     demux_t     *p_demux = (demux_t*)p_this;
1449     demux_sys_t *p_sys   = p_demux->p_sys;
1450
1451     delete p_sys;
1452 }
1453
1454 /*****************************************************************************
1455  * Control:
1456  *****************************************************************************/
1457 static int Control( demux_t *p_demux, int i_query, va_list args )
1458 {
1459     demux_sys_t        *p_sys = p_demux->p_sys;
1460     int64_t     *pi64;
1461     double      *pf, f;
1462     int         i_skp;
1463     size_t      i_idx;
1464
1465     vlc_meta_t **pp_meta;
1466
1467     switch( i_query )
1468     {
1469         case DEMUX_GET_META:
1470             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1471             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1472             return VLC_SUCCESS;
1473
1474         case DEMUX_GET_LENGTH:
1475             pi64 = (int64_t*)va_arg( args, int64_t * );
1476             if( p_sys->f_duration > 0.0 )
1477             {
1478                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1479                 return VLC_SUCCESS;
1480             }
1481             return VLC_EGENERIC;
1482
1483         case DEMUX_GET_POSITION:
1484             pf = (double*)va_arg( args, double * );
1485             if ( p_sys->f_duration > 0.0 )
1486                 *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);
1487             return VLC_SUCCESS;
1488
1489         case DEMUX_SET_POSITION:
1490             f = (double)va_arg( args, double );
1491             Seek( p_demux, -1, f, NULL );
1492             return VLC_SUCCESS;
1493
1494         case DEMUX_GET_TIME:
1495             pi64 = (int64_t*)va_arg( args, int64_t * );
1496             *pi64 = p_sys->i_pts;
1497             return VLC_SUCCESS;
1498
1499         case DEMUX_GET_TITLE_INFO:
1500             if( p_sys->titles.size() )
1501             {
1502                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1503                 int *pi_int    = (int*)va_arg( args, int* );
1504
1505                 *pi_int = p_sys->titles.size();
1506                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1507
1508                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1509                 {
1510                     (*ppp_title)[i] = vlc_input_title_Duplicate( &p_sys->titles[i] );
1511                 }
1512
1513                 return VLC_SUCCESS;
1514             }
1515             return VLC_EGENERIC;
1516
1517         case DEMUX_SET_TITLE:
1518             /* TODO handle editions as titles */
1519             i_idx = (int)va_arg( args, int );
1520             if( i_idx < p_sys->used_segments.size() )
1521             {
1522                 p_sys->PreparePlayback( p_sys->used_segments[i_idx] );
1523                 return VLC_SUCCESS;
1524             }
1525             return VLC_EGENERIC;
1526
1527         case DEMUX_SET_SEEKPOINT:
1528             i_skp = (int)va_arg( args, int );
1529
1530             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1531             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title].i_seekpoint)
1532             {
1533                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title].seekpoint[i_skp]->i_time_offset, -1, NULL);
1534                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1535                 p_demux->info.i_seekpoint = i_skp;
1536                 return VLC_SUCCESS;
1537             }
1538             return VLC_EGENERIC;
1539
1540         case DEMUX_SET_TIME:
1541         case DEMUX_GET_FPS:
1542         default:
1543             return VLC_EGENERIC;
1544     }
1545 }
1546
1547 int matroska_segment_c::BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1548 {
1549     *pp_block = NULL;
1550     *pi_ref1  = -1;
1551     *pi_ref2  = -1;
1552
1553     for( ;; )
1554     {
1555         EbmlElement *el;
1556         int         i_level;
1557
1558         if ( ep == NULL )
1559             return VLC_EGENERIC;
1560
1561         el = ep->Get();
1562         i_level = ep->GetLevel();
1563
1564         if( el == NULL && *pp_block != NULL )
1565         {
1566             /* update the index */
1567 #define idx index[i_index - 1]
1568             if( i_index > 0 && idx.i_time == -1 )
1569             {
1570                 idx.i_time        = (*pp_block)->GlobalTimecode() / (mtime_t)1000;
1571                 idx.b_key         = *pi_ref1 == -1 ? VLC_TRUE : VLC_FALSE;
1572             }
1573 #undef idx
1574             return VLC_SUCCESS;
1575         }
1576
1577         if( el == NULL )
1578         {
1579             if( ep->GetLevel() > 1 )
1580             {
1581                 ep->Up();
1582                 continue;
1583             }
1584             msg_Warn( &sys.demuxer, "EOF" );
1585             return VLC_EGENERIC;
1586         }
1587
1588         /* do parsing */
1589         if( i_level == 1 )
1590         {
1591             if( MKV_IS_ID( el, KaxCluster ) )
1592             {
1593                 cluster = (KaxCluster*)el;
1594
1595                 /* add it to the index */
1596                 if( i_index == 0 ||
1597                     ( i_index > 0 && index[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1598                 {
1599                     IndexAppendCluster( cluster );
1600                 }
1601
1602                 // reset silent tracks
1603                 for (size_t i=0; i<tracks.size(); i++)
1604                 {
1605                     tracks[i]->b_silent = VLC_FALSE;
1606                 }
1607
1608                 ep->Down();
1609             }
1610             else if( MKV_IS_ID( el, KaxCues ) )
1611             {
1612                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1613                 return VLC_EGENERIC;
1614             }
1615             else
1616             {
1617                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1618             }
1619         }
1620         else if( i_level == 2 )
1621         {
1622             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1623             {
1624                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1625
1626                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1627                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1628             }
1629             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1630             {
1631                 ep->Down();
1632             }
1633             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1634             {
1635                 ep->Down();
1636             }
1637         }
1638         else if( i_level == 3 )
1639         {
1640             if( MKV_IS_ID( el, KaxBlock ) )
1641             {
1642                 *pp_block = (KaxBlock*)el;
1643
1644                 (*pp_block)->ReadData( es.I_O() );
1645                 (*pp_block)->SetParent( *cluster );
1646
1647                 ep->Keep();
1648             }
1649             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1650             {
1651                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1652
1653                 dur.ReadData( es.I_O() );
1654                 *pi_duration = uint64( dur );
1655             }
1656             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1657             {
1658                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1659
1660                 ref.ReadData( es.I_O() );
1661                 if( *pi_ref1 == -1 )
1662                 {
1663                     *pi_ref1 = int64( ref );
1664                 }
1665                 else
1666                 {
1667                     *pi_ref2 = int64( ref );
1668                 }
1669             }
1670             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1671             {
1672                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1673                 track_num.ReadData( es.I_O() );
1674                 // find the track
1675                 for (size_t i=0; i<tracks.size(); i++)
1676                 {
1677                     if ( tracks[i]->i_number == uint32(track_num))
1678                     {
1679                         tracks[i]->b_silent = VLC_TRUE;
1680                         break;
1681                     }
1682                 }
1683             }
1684         }
1685         else
1686         {
1687             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1688             return VLC_EGENERIC;
1689         }
1690     }
1691 }
1692
1693 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1694 {
1695     block_t *p_block;
1696     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1697     memcpy( p_block->p_buffer, p_mem, i_mem );
1698     //p_block->i_rate = p_input->stream.control.i_rate;
1699     return p_block;
1700 }
1701
1702 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1703                          mtime_t i_duration )
1704 {
1705     demux_sys_t        *p_sys = p_demux->p_sys;
1706     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1707
1708     size_t          i_track;
1709     unsigned int    i;
1710     vlc_bool_t      b;
1711
1712 #define tk  p_segment->tracks[i_track]
1713     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1714     {
1715         if( tk->i_number == block->TrackNum() )
1716         {
1717             break;
1718         }
1719     }
1720
1721     if( i_track >= p_segment->tracks.size() )
1722     {
1723         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1724         return;
1725     }
1726     if( tk->p_es == NULL )
1727     {
1728         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1729         return;
1730     }
1731     if( i_pts < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1732     {
1733         return; /* discard audio packets that shouldn't be rendered */
1734     }
1735
1736     if ( tk->fmt.i_cat != SPU_ES || strcmp( tk->psz_codec, "B_VOBBTN" ) )
1737     {
1738         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1739
1740         if( !b )
1741         {
1742             tk->b_inited = VLC_FALSE;
1743             return;
1744         }
1745     }
1746
1747
1748     /* First send init data */
1749     if( !tk->b_inited && tk->i_data_init > 0 )
1750     {
1751         block_t *p_init;
1752
1753         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1754         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1755         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1756     }
1757     tk->b_inited = VLC_TRUE;
1758
1759
1760     for( i = 0; i < block->NumberFrames(); i++ )
1761     {
1762         block_t *p_block;
1763         DataBuffer &data = block->GetBuffer(i);
1764
1765         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1766
1767         if( p_block == NULL )
1768         {
1769             break;
1770         }
1771
1772 #if defined(HAVE_ZLIB_H)
1773         if( tk->i_compression_type )
1774         {
1775             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1776         }
1777 #endif
1778
1779         // TODO implement correct timestamping when B frames are used
1780         if( tk->fmt.i_cat != VIDEO_ES )
1781         {
1782             p_block->i_dts = p_block->i_pts = i_pts;
1783         }
1784         else
1785         {
1786             p_block->i_dts = i_pts;
1787             p_block->i_pts = 0;
1788         }
1789
1790         if ( tk->fmt.i_cat == SPU_ES )
1791         {
1792             if ( !strcmp( tk->psz_codec, "B_VOBBTN" ) )
1793             {
1794                 // TODO handle the start/stop times of this packet
1795                 if ( p_sys->b_ui_hooked )
1796                 {
1797                     vlc_mutex_lock( &p_sys->p_ev->lock );
1798                     if ( p_sys->p_pci_packet != NULL )
1799                         block_Release( p_sys->p_pci_packet );
1800                     p_sys->p_pci_packet = p_block;
1801                     vlc_mutex_unlock( &p_sys->p_ev->lock );
1802                 }
1803                 return;
1804             }
1805
1806             else if ( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1807             {
1808                 p_block->i_length = i_duration * 1000;
1809             }
1810         }
1811
1812         es_out_Send( p_demux->out, tk->p_es, p_block );
1813
1814         /* use time stamp only for first block */
1815         i_pts = 0;
1816     }
1817
1818 #undef tk
1819 }
1820
1821 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
1822 {
1823     int i_upper_lvl = 0;
1824     size_t i;
1825     EbmlElement *p_l0, *p_l1, *p_l2;
1826     bool b_keep_stream = false, b_keep_segment;
1827
1828     // verify the EBML Header
1829     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1830     if (p_l0 == NULL)
1831     {
1832         return NULL;
1833     }
1834     p_l0->SkipData(*p_estream, EbmlHead_Context);
1835     delete p_l0;
1836
1837     // find all segments in this file
1838     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1839     if (p_l0 == NULL)
1840     {
1841         return NULL;
1842     }
1843
1844     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1845
1846     while (p_l0 != 0)
1847     {
1848         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1849         {
1850             EbmlParser  *ep;
1851             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1852             b_keep_segment = false;
1853
1854             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1855             p_segment1->ep = ep;
1856             p_segment1->segment = (KaxSegment*)p_l0;
1857
1858             while ((p_l1 = ep->Get()))
1859             {
1860                 if (MKV_IS_ID(p_l1, KaxInfo))
1861                 {
1862                     // find the families of this segment
1863                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1864
1865                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1866                     for( i = 0; i < p_info->ListSize(); i++ )
1867                     {
1868                         EbmlElement *l = (*p_info)[i];
1869
1870                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1871                         {
1872                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1873                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1874                             if ( !b_keep_segment )
1875                                 break; // this segment is already known
1876                             opened_segments.push_back( p_segment1 );
1877                             p_segment1->segment_uid = *( new KaxSegmentUID(*p_uid) );
1878                         }
1879                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1880                         {
1881                             p_segment1->prev_segment_uid = *( new KaxPrevUID( *static_cast<KaxPrevUID*>(l) ) );
1882                         }
1883                         else if( MKV_IS_ID( l, KaxNextUID ) )
1884                         {
1885                             p_segment1->next_segment_uid = *( new KaxNextUID( *static_cast<KaxNextUID*>(l) ) );
1886                         }
1887                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1888                         {
1889                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1890                             p_segment1->families.push_back( *p_fam );
1891                         }
1892                     }
1893                     break;
1894                 }
1895             }
1896             if ( b_keep_segment )
1897             {
1898                 b_keep_stream = true;
1899                 p_stream1->segments.push_back( p_segment1 );
1900             }
1901             else
1902                 delete p_segment1;
1903         }
1904
1905         p_l0->SkipData(*p_estream, EbmlHead_Context);
1906         p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1907     }
1908
1909     if ( !b_keep_stream )
1910     {
1911         delete p_stream1;
1912         p_stream1 = NULL;
1913     }
1914
1915     return p_stream1;
1916 }
1917
1918 bool matroska_segment_c::Select( mtime_t i_start_time )
1919 {
1920     size_t i_track;
1921
1922     /* add all es */
1923     msg_Dbg( &sys.demuxer, "found %d es", tracks.size() );
1924     sys.StopUiThread();
1925     for( i_track = 0; i_track < tracks.size(); i_track++ )
1926     {
1927         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
1928         {
1929             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", i_track, tracks[i_track]->i_number );
1930             tracks[i_track]->p_es = NULL;
1931             continue;
1932         }
1933
1934         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
1935         {
1936             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
1937             {
1938                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
1939                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1940             }
1941             else
1942             {
1943                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
1944
1945                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
1946                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
1947                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
1948
1949                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
1950                 if( tracks[i_track]->fmt.i_extra > 0 )
1951                 {
1952                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
1953                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
1954                 }
1955             }
1956         }
1957         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
1958                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
1959         {
1960             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
1961         }
1962         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
1963         {
1964             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
1965             {
1966                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
1967             }
1968             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
1969             {
1970                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
1971                 tracks[i_track]->fmt.b_packetized = VLC_FALSE;
1972                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
1973                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
1974                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
1975             }
1976             else
1977             {
1978                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
1979             }
1980         }
1981         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
1982         {
1983             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
1984 #ifdef VSLHC
1985             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
1986                                                        tracks[i_track]->p_extra_data,
1987                                                        tracks[i_track]->i_extra_data );
1988 #else
1989             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
1990                                                        tracks[i_track]->p_extra_data,
1991                                                        tracks[i_track]->i_extra_data,
1992                                                        VLC_FALSE );
1993 #endif
1994             MP4_ReadBoxCommon( p_mp4_stream, p_box );
1995             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
1996             tracks[i_track]->fmt.i_codec = p_box->i_type;
1997             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
1998             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
1999             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2000             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2001             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2002             MP4_FreeBox_sample_vide( p_box );
2003 #ifdef VSLHC
2004             stream_MemoryDelete( p_mp4_stream, VLC_TRUE );
2005 #else
2006             stream_Delete( p_mp4_stream );
2007 #endif
2008         }
2009         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2010         {
2011             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2012             {
2013                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2014                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2015             }
2016             else
2017             {
2018                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2019
2020                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2021
2022                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2023                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2024                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2025                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2026                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2027
2028                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2029                 if( tracks[i_track]->fmt.i_extra > 0 )
2030                 {
2031                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2032                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2033                 }
2034             }
2035         }
2036         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2037                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2038                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2039         {
2040             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2041         }
2042         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2043         {
2044             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2045         }
2046         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2047         {
2048             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2049         }
2050         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2051         {
2052             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2053             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2054             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2055             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2056         }
2057         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2058         {
2059             int i, i_offset = 1, i_size[3], i_extra;
2060             uint8_t *p_extra;
2061
2062             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2063
2064             /* Split the 3 headers */
2065             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2066                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2067
2068             for( i = 0; i < 2; i++ )
2069             {
2070                 i_size[i] = 0;
2071                 while( i_offset < tracks[i_track]->i_extra_data )
2072                 {
2073                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2074                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2075                 }
2076             }
2077
2078             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2079             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2080             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2081
2082             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2083             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2084             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2085             for( i = 0; i < 3; i++ )
2086             {
2087                 *(p_extra++) = i_size[i] >> 8;
2088                 *(p_extra++) = i_size[i] & 0xFF;
2089                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2090                         i_size[i] );
2091                 p_extra += i_size[i];
2092                 i_extra += i_size[i];
2093             }
2094         }
2095         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2096                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2097         {
2098             int i_profile, i_srate;
2099             static unsigned int i_sample_rates[] =
2100             {
2101                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2102                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2103             };
2104
2105             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2106             /* create data for faad (MP4DecSpecificDescrTag)*/
2107
2108             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2109             {
2110                 i_profile = 0;
2111             }
2112             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2113             {
2114                 i_profile = 1;
2115             }
2116             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2117             {
2118                 i_profile = 2;
2119             }
2120             else
2121             {
2122                 i_profile = 3;
2123             }
2124
2125             for( i_srate = 0; i_srate < 13; i_srate++ )
2126             {
2127                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2128                 {
2129                     break;
2130                 }
2131             }
2132             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2133
2134             tracks[i_track]->fmt.i_extra = 2;
2135             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2136             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2137             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2138         }
2139         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2140                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2141                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2142         {
2143             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2144             {
2145                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2146             }
2147             else
2148             {
2149                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2150             }
2151             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2152         }
2153         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2154         {
2155             /* FIXME: support this codec */
2156             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2157             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2158         }
2159         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2160         {
2161             /* FIXME: support this codec */
2162             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2163             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2164         }
2165         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2166         {
2167             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2168             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2169         }
2170         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2171                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2172                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2173                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2174         {
2175             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2176             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2177         }
2178         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2179         {
2180             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2181             if( tracks[i_track]->i_extra_data )
2182             {
2183                 char *p_start;
2184                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2185                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2186                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2187
2188                 p_start = strstr( p_buf, "size:" );
2189                 if( sscanf( p_start, "size: %dx%d",
2190                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2191                 {
2192                     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 );
2193                 }
2194                 else
2195                 {
2196                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2197                 }
2198                 free( p_buf );
2199             }
2200         }
2201         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2202         {
2203             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2204             sys.StartUiThread();
2205         }
2206         else
2207         {
2208             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2209             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2210         }
2211         if( tracks[i_track]->b_default )
2212         {
2213             tracks[i_track]->fmt.i_priority = 1000;
2214         }
2215
2216         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2217
2218         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2219     }
2220
2221     sys.i_start_pts = i_start_time;
2222     // reset the stream reading to the first cluster of the segment used
2223     es.I_O().setFilePointer( i_start_pos );
2224
2225     delete ep;
2226     ep = new EbmlParser( &es, segment, &sys.demuxer );
2227
2228     return true;
2229 }
2230
2231 void demux_sys_t::StartUiThread()
2232 {
2233     if ( !b_ui_hooked )
2234     {
2235         msg_Dbg( &demuxer, "Starting the UI Hook" );
2236         b_ui_hooked = true;
2237         /* FIXME hack hack hack hack FIXME */
2238         /* Get p_input and create variable */
2239         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2240         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2241         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2242         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2243         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2244         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2245         var_Create( p_input, "menu-contrast", VLC_VAR_ADDRESS );
2246         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2247         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2248
2249         /* Now create our event thread catcher */
2250         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2251         p_ev->p_demux = &demuxer;
2252         vlc_mutex_init( p_ev, &p_ev->lock );
2253         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2254                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2255     }
2256 }
2257
2258 void demux_sys_t::StopUiThread()
2259 {
2260     if ( b_ui_hooked )
2261     {
2262         p_ev->b_die = VLC_TRUE;
2263
2264         var_Destroy( p_input, "highlight-mutex" );
2265         var_Destroy( p_input, "highlight" );
2266         var_Destroy( p_input, "x-start" );
2267         var_Destroy( p_input, "x-end" );
2268         var_Destroy( p_input, "y-start" );
2269         var_Destroy( p_input, "y-end" );
2270         var_Destroy( p_input, "color" );
2271         var_Destroy( p_input, "menu-contrast" );
2272
2273         vlc_thread_join( p_ev );
2274         vlc_object_destroy( p_ev );
2275
2276         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2277     }
2278     b_ui_hooked = false;
2279 }
2280
2281 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2282                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2283 {
2284     event_thread_t *p_ev = (event_thread_t *) p_data;
2285     vlc_mutex_lock( &p_ev->lock );
2286     if( psz_var[6] == 'c' )
2287         p_ev->b_clicked = VLC_TRUE;
2288     else if( psz_var[6] == 'm' )
2289         p_ev->b_moved = VLC_TRUE;
2290     vlc_mutex_unlock( &p_ev->lock );
2291
2292     return VLC_SUCCESS;
2293 }
2294
2295 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2296                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2297 {
2298     event_thread_t *p_ev = (event_thread_t *) p_data;
2299     vlc_mutex_lock( &p_ev->lock );
2300     p_ev->b_key = VLC_TRUE;
2301     vlc_mutex_unlock( &p_ev->lock );
2302
2303     return VLC_SUCCESS;
2304 }
2305
2306 int demux_sys_t::EventThread( vlc_object_t *p_this )
2307 {
2308     event_thread_t *p_ev = (event_thread_t*)p_this;
2309     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2310     vlc_object_t   *p_vout = NULL;
2311
2312     p_ev->b_moved   = VLC_FALSE;
2313     p_ev->b_clicked = VLC_FALSE;
2314     p_ev->b_key     = VLC_FALSE;
2315
2316     /* catch all key event */
2317     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2318
2319     /* main loop */
2320     while( !p_ev->b_die )
2321     {
2322         vlc_bool_t b_activated = VLC_FALSE;
2323
2324         /* KEY part */
2325         if( p_ev->b_key )
2326         {
2327             vlc_value_t valk;
2328             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2329             int i, i_action = -1;
2330
2331             vlc_mutex_lock( &p_ev->lock );
2332
2333             pci_t *pci = (pci_t *) &p_sys->p_pci_packet->p_buffer[1];
2334
2335             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2336             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2337             {
2338                 if( p_hotkeys[i].i_key == valk.i_int )
2339                 {
2340                     i_action = p_hotkeys[i].i_action;
2341                 }
2342             }
2343
2344             switch( i_action )
2345             {
2346             case ACTIONID_NAV_LEFT:
2347 //                dvdnav_left_button_select( NULL, pci );
2348                 break;
2349             case ACTIONID_NAV_RIGHT:
2350 //                dvdnav_right_button_select( NULL, pci );
2351                 break;
2352             case ACTIONID_NAV_UP:
2353 //                dvdnav_upper_button_select( NULL, pci );
2354                 break;
2355             case ACTIONID_NAV_DOWN:
2356 //                dvdnav_lower_button_select( NULL, pci );
2357                 break;
2358             case ACTIONID_NAV_ACTIVATE:
2359                 b_activated = VLC_TRUE;
2360 //                dvdnav_button_activate( NULL, pci );
2361                 break;
2362             default:
2363                 break;
2364             }
2365             p_ev->b_key = VLC_FALSE;
2366             vlc_mutex_unlock( &p_ev->lock );
2367         }
2368
2369         /* VOUT part */
2370         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2371         {
2372             vlc_value_t valx, valy;
2373
2374             vlc_mutex_lock( &p_ev->lock );
2375             pci_t *pci = (pci_t *) &p_sys->p_pci_packet->p_buffer[1];
2376             var_Get( p_vout, "mouse-x", &valx );
2377             var_Get( p_vout, "mouse-y", &valy );
2378
2379             if( p_ev->b_moved )
2380             {
2381 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2382                 p_ev->b_moved = 0;
2383             }
2384             if( p_ev->b_clicked )
2385             {
2386                 b_activated = VLC_TRUE;
2387 //                dvdnav_mouse_activate( NULL, pci, valx.i_int, valy.i_int );
2388             }
2389
2390             p_ev->b_moved = VLC_FALSE;
2391             p_ev->b_clicked = VLC_FALSE;
2392             vlc_mutex_unlock( &p_ev->lock );
2393         }
2394         if( p_vout && p_vout->b_die )
2395         {
2396             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2397             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2398             vlc_object_release( p_vout );
2399             p_vout = NULL;
2400         }
2401         if( p_vout == NULL )
2402         {
2403             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2404                                       FIND_CHILD );
2405             if( p_vout)
2406             {
2407                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2408                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2409             }
2410         }
2411
2412         /* Wait a bit */
2413         msleep( 10000 );
2414     }
2415
2416     /* Release callback */
2417     if( p_vout )
2418     {
2419         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2420         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2421         vlc_object_release( p_vout );
2422     }
2423     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2424
2425     vlc_mutex_destroy( &p_ev->lock );
2426
2427     return VLC_SUCCESS;
2428 }
2429
2430 void matroska_segment_c::UnSelect( )
2431 {
2432     size_t i_track;
2433
2434     sys.StopUiThread();
2435
2436     for( i_track = 0; i_track < tracks.size(); i_track++ )
2437     {
2438         if ( tracks[i_track]->p_es != NULL )
2439         {
2440             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2441             tracks[i_track]->p_es = NULL;
2442         }
2443     }
2444     delete ep;
2445     ep = NULL;
2446 }
2447
2448 void virtual_segment_c::PrepareChapters( )
2449 {
2450     if ( linked_segments.size() == 0 )
2451         return;
2452
2453     // !!! should be called only once !!!
2454     matroska_segment_c *p_segment;
2455     size_t i, j;
2456
2457     // copy editions from the first segment
2458     p_segment = linked_segments[0];
2459     p_editions = &p_segment->stored_editions;
2460
2461     for ( i=1 ; i<linked_segments.size(); i++ )
2462     {
2463         p_segment = linked_segments[i];
2464         // FIXME assume we have the same editions in all segments
2465         for (j=0; j<p_segment->stored_editions.size(); j++)
2466             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2467     }
2468 }
2469
2470 std::string chapter_edition_c::GetMainName() const
2471 {
2472     if ( sub_chapters.size() )
2473     {
2474         return sub_chapters[0]->GetCodecName( true );
2475     }
2476     return "";
2477 }
2478
2479 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2480 {
2481     // add support for meta-elements from codec like DVD Titles
2482     if ( !b_display_seekpoint || psz_name == "" )
2483     {
2484         psz_name = GetCodecName();
2485         if ( psz_name != "" )
2486             b_display_seekpoint = true;
2487     }
2488
2489     if (b_display_seekpoint)
2490     {
2491         seekpoint_t *sk = vlc_seekpoint_New();
2492
2493         sk->i_level = i_level;
2494         sk->i_time_offset = i_start_time;
2495         sk->psz_name = strdup( psz_name.c_str() );
2496
2497         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2498         title.i_seekpoint++;
2499         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2500         title.seekpoint[title.i_seekpoint-1] = sk;
2501
2502         if ( b_user_display )
2503             i_user_chapters++;
2504     }
2505
2506     for ( size_t i=0; i<sub_chapters.size() ; i++)
2507     {
2508         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2509     }
2510
2511     i_seekpoint_num = i_user_chapters;
2512
2513     return i_user_chapters;
2514 }
2515
2516 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2517 {
2518     demux_sys_t & sys = *demux.p_sys;
2519     chapter_item_c *psz_curr_chapter;
2520
2521     /* update current chapter/seekpoint */
2522     if ( p_editions->size() )
2523     {
2524         /* 1st, we need to know in which chapter we are */
2525         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts );
2526
2527         /* we have moved to a new chapter */
2528         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2529         {
2530             if ( (*p_editions)[i_current_edition]->b_ordered )
2531             {
2532                 // Leave/Enter up to the link point
2533                 if ( !psz_curr_chapter->EnterAndLeave( psz_current_chapter ) )
2534                 {
2535                     // only seek if necessary
2536                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2537                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2538                     psz_current_chapter = psz_curr_chapter;
2539                 }
2540             }
2541             else if ( psz_curr_chapter->i_seekpoint_num > 0 )
2542             {
2543                 demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2544                 demux.info.i_title = sys.i_current_title = i_sys_title;
2545                 demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2546                 psz_current_chapter = psz_curr_chapter;
2547             }
2548             else
2549             {
2550                 psz_current_chapter = psz_curr_chapter;
2551             }
2552
2553             return true;
2554         }
2555     }
2556     return false;
2557 }
2558
2559 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
2560                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2561                                     const void *p_cookie,
2562                                     size_t i_cookie_size )
2563 {
2564     // FIXME don't assume it is the first edition
2565     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2566     if ( index != p_editions->end() )
2567     {
2568         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2569         if ( p_result != NULL )
2570             return p_result;
2571     }
2572     return NULL;
2573 }
2574
2575 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2576 {
2577     // FIXME don't assume it is the first edition
2578     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2579     if ( index != p_editions->end() )
2580     {
2581         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2582         if ( p_result != NULL )
2583             return p_result;
2584     }
2585     return NULL;
2586 }
2587
2588 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
2589                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
2590                                     const void *p_cookie,
2591                                     size_t i_cookie_size )
2592 {
2593     // this chapter
2594     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2595     while ( index != codecs.end() )
2596     {
2597         if ( match( **index ,p_cookie, i_cookie_size ) )
2598             return this;
2599         index++;
2600     }
2601
2602     // sub-chapters
2603     chapter_item_c *p_result = NULL;
2604     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2605     while ( index2 != sub_chapters.end() )
2606     {
2607         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2608         if ( p_result != NULL )
2609             return p_result;
2610         index2++;
2611     }
2612
2613     return p_result;
2614 }
2615
2616 void chapter_item_c::Append( const chapter_item_c & chapter )
2617 {
2618     // we are appending content for the same chapter UID
2619     size_t i;
2620     chapter_item_c *p_chapter;
2621
2622     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2623     {
2624         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2625         if ( p_chapter != NULL )
2626         {
2627             p_chapter->Append( *chapter.sub_chapters[i] );
2628         }
2629         else
2630         {
2631             sub_chapters.push_back( chapter.sub_chapters[i] );
2632         }
2633     }
2634
2635     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2636     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2637 }
2638
2639 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2640 {
2641     size_t i;
2642     chapter_item_c *p_result = NULL;
2643
2644     if ( i_uid == i_find_uid )
2645         return this;
2646
2647     for ( i=0; i<sub_chapters.size(); i++)
2648     {
2649         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2650         if ( p_result != NULL )
2651             break;
2652     }
2653     return p_result;
2654 }
2655
2656 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2657 {
2658     std::string result;
2659
2660     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2661     while ( index != codecs.end() )
2662     {
2663         result = (*index)->GetCodecName( f_for_title );
2664         if ( result != "" )
2665             break;
2666         index++;
2667     }
2668
2669     return result;
2670 }
2671
2672 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2673 {
2674     std::string result;
2675     if ( m_private_data.GetSize() >= 3)
2676     {
2677         const binary* p_data = m_private_data.GetBuffer();
2678 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2679         {
2680             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2681             char psz_str[11];
2682             sprintf( psz_str, " %d  ---", i_title );
2683             result = N_("---  DVD Title");
2684             result += psz_str;
2685         }
2686         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2687         {
2688             char psz_str[11];
2689             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2690             result = N_("---  DVD Menu");
2691             result += psz_str;
2692         }
2693         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2694         {
2695             if ( p_data[1] == 0x00 )
2696                 result = N_("First Played");
2697             else if ( p_data[1] == 0xC0 )
2698                 result = N_("Video Manager");
2699             else if ( p_data[1] == 0x80 )
2700             {
2701                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2702                 char psz_str[20];
2703                 sprintf( psz_str, " %d -----", i_title );
2704                 result = N_("----- Title");
2705                 result += psz_str;
2706             }
2707         }
2708     }
2709
2710     return result;
2711 }
2712
2713 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
2714 {
2715     demux_sys_t        *p_sys = p_demux->p_sys;
2716     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
2717     matroska_segment_c *p_segment = p_vsegment->Segment();
2718     mtime_t            i_time_offset = 0;
2719
2720     int         i_index;
2721
2722     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
2723     if( i_date < 0 && f_percent < 0 )
2724     {
2725         msg_Warn( p_demux, "cannot seek nowhere !" );
2726         return;
2727     }
2728     if( f_percent > 1.0 )
2729     {
2730         msg_Warn( p_demux, "cannot seek so far !" );
2731         return;
2732     }
2733
2734     /* seek without index or without date */
2735     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
2736     {
2737         if (p_sys->f_duration >= 0)
2738         {
2739             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
2740         }
2741         else
2742         {
2743             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
2744
2745             msg_Dbg( p_demux, "inacurate way of seeking" );
2746             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
2747             {
2748                 if( p_segment->index[i_index].i_position >= i_pos)
2749                 {
2750                     break;
2751                 }
2752             }
2753             if( i_index == p_segment->i_index )
2754             {
2755                 i_index--;
2756             }
2757
2758             i_date = p_segment->index[i_index].i_time;
2759
2760 #if 0
2761             if( p_segment->index[i_index].i_position < i_pos )
2762             {
2763                 EbmlElement *el;
2764
2765                 msg_Warn( p_demux, "searching for cluster, could take some time" );
2766
2767                 /* search a cluster */
2768                 while( ( el = p_sys->ep->Get() ) != NULL )
2769                 {
2770                     if( MKV_IS_ID( el, KaxCluster ) )
2771                     {
2772                         KaxCluster *cluster = (KaxCluster*)el;
2773
2774                         /* add it to the index */
2775                         p_segment->IndexAppendCluster( cluster );
2776
2777                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
2778                         {
2779                             p_sys->cluster = cluster;
2780                             p_sys->ep->Down();
2781                             break;
2782                         }
2783                     }
2784                 }
2785             }
2786 #endif
2787         }
2788     }
2789
2790     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
2791 }
2792
2793 /*****************************************************************************
2794  * Demux: reads and demuxes data packets
2795  *****************************************************************************
2796  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
2797  *****************************************************************************/
2798 static int Demux( demux_t *p_demux)
2799 {
2800     demux_sys_t        *p_sys = p_demux->p_sys;
2801     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
2802     matroska_segment_c *p_segmet = p_vsegment->Segment();
2803     if ( p_segmet == NULL ) return 0;
2804     int                i_block_count = 0;
2805
2806     KaxBlock *block;
2807     int64_t i_block_duration;
2808     int64_t i_block_ref1;
2809     int64_t i_block_ref2;
2810
2811     for( ;; )
2812     {
2813         if ( p_sys->demuxer.b_die )
2814             return 0;
2815
2816         if( p_sys->i_pts >= p_sys->i_start_pts  )
2817             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
2818                 return 1;
2819
2820         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
2821         {
2822             /* nothing left to read in this ordered edition */
2823             if ( !p_vsegment->SelectNext() )
2824                 return 0;
2825             p_segmet->UnSelect( );
2826
2827             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
2828
2829             /* switch to the next segment */
2830             p_segmet = p_vsegment->Segment();
2831             if ( !p_segmet->Select( 0 ) )
2832             {
2833                 msg_Err( p_demux, "Failed to select new segment" );
2834                 return 0;
2835             }
2836             continue;
2837         }
2838
2839
2840         if( p_segmet->BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
2841         {
2842             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
2843             {
2844                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
2845                 // check if there are more chapters to read
2846                 if ( p_chap != NULL )
2847                 {
2848                     /* TODO handle successive chapters with the same user_start_time/user_end_time
2849                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
2850                         p_vsegment->SelectNext();
2851                     */
2852                     p_sys->i_pts = p_chap->i_user_end_time;
2853                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
2854
2855                     return 1;
2856                 }
2857
2858                 return 0;
2859             }
2860             msg_Warn( p_demux, "cannot get block EOF?" );
2861             p_segmet->UnSelect( );
2862
2863             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
2864
2865             /* switch to the next segment */
2866             if ( !p_vsegment->SelectNext() )
2867                 // no more segments in this stream
2868                 return 0;
2869             p_segmet = p_vsegment->Segment();
2870             if ( !p_segmet->Select( 0 ) )
2871             {
2872                 msg_Err( p_demux, "Failed to select new segment" );
2873                 return 0;
2874             }
2875
2876             continue;
2877         }
2878
2879         p_sys->i_pts = p_sys->i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
2880
2881         if( p_sys->i_pts >= p_sys->i_start_pts  )
2882         {
2883             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
2884         }
2885
2886         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration );
2887
2888         delete block;
2889         i_block_count++;
2890
2891         // TODO optimize when there is need to leave or when seeking has been called
2892         if( i_block_count > 5 )
2893         {
2894             return 1;
2895         }
2896     }
2897 }
2898
2899
2900
2901 /*****************************************************************************
2902  * Stream managment
2903  *****************************************************************************/
2904 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_ )
2905 {
2906     s = s_;
2907     mb_eof = VLC_FALSE;
2908 }
2909
2910 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
2911 {
2912     if( i_size <= 0 || mb_eof )
2913     {
2914         return 0;
2915     }
2916
2917     return stream_Read( s, p_buffer, i_size );
2918 }
2919 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
2920 {
2921     int64_t i_pos;
2922
2923     switch( mode )
2924     {
2925         case seek_beginning:
2926             i_pos = i_offset;
2927             break;
2928         case seek_end:
2929             i_pos = stream_Size( s ) - i_offset;
2930             break;
2931         default:
2932             i_pos= stream_Tell( s ) + i_offset;
2933             break;
2934     }
2935
2936     if( i_pos < 0 || i_pos >= stream_Size( s ) )
2937     {
2938         mb_eof = VLC_TRUE;
2939         return;
2940     }
2941
2942     mb_eof = VLC_FALSE;
2943     if( stream_Seek( s, i_pos ) )
2944     {
2945         mb_eof = VLC_TRUE;
2946     }
2947     return;
2948 }
2949 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
2950 {
2951     return 0;
2952 }
2953 uint64 vlc_stream_io_callback::getFilePointer( void )
2954 {
2955     return stream_Tell( s );
2956 }
2957 void vlc_stream_io_callback::close( void )
2958 {
2959     return;
2960 }
2961
2962
2963 /*****************************************************************************
2964  * Ebml Stream parser
2965  *****************************************************************************/
2966 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
2967 {
2968     int i;
2969
2970     m_es = es;
2971     m_got = NULL;
2972     m_el[0] = el_start;
2973     mi_remain_size[0] = el_start->GetSize();
2974
2975     for( i = 1; i < 6; i++ )
2976     {
2977         m_el[i] = NULL;
2978     }
2979     mi_level = 1;
2980     mi_user_level = 1;
2981     mb_keep = VLC_FALSE;
2982     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
2983 }
2984
2985 EbmlParser::~EbmlParser( void )
2986 {
2987     int i;
2988
2989     for( i = 1; i < mi_level; i++ )
2990     {
2991         if( !mb_keep )
2992         {
2993             delete m_el[i];
2994         }
2995         mb_keep = VLC_FALSE;
2996     }
2997 }
2998
2999 void EbmlParser::Up( void )
3000 {
3001     if( mi_user_level == mi_level )
3002     {
3003         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3004     }
3005
3006     mi_user_level--;
3007 }
3008
3009 void EbmlParser::Down( void )
3010 {
3011     mi_user_level++;
3012     mi_level++;
3013 }
3014
3015 void EbmlParser::Keep( void )
3016 {
3017     mb_keep = VLC_TRUE;
3018 }
3019
3020 int EbmlParser::GetLevel( void )
3021 {
3022     return mi_user_level;
3023 }
3024
3025 void EbmlParser::Reset( demux_t *p_demux )
3026 {
3027     while ( mi_level > 0)
3028     {
3029         delete m_el[mi_level];
3030         m_el[mi_level] = NULL;
3031         mi_level--;
3032     }
3033     mi_user_level = mi_level = 1;
3034 #if LIBEBML_VERSION >= 0x000704
3035     // a little faster and cleaner
3036     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3037 #else
3038     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3039 #endif
3040     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3041 }
3042
3043 EbmlElement *EbmlParser::Get( void )
3044 {
3045     int i_ulev = 0;
3046
3047     if( mi_user_level != mi_level )
3048     {
3049         return NULL;
3050     }
3051     if( m_got )
3052     {
3053         EbmlElement *ret = m_got;
3054         m_got = NULL;
3055
3056         return ret;
3057     }
3058
3059     if( m_el[mi_level] )
3060     {
3061         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3062         if( !mb_keep )
3063         {
3064             delete m_el[mi_level];
3065         }
3066         mb_keep = VLC_FALSE;
3067     }
3068
3069     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy, 1 );
3070 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3071     if( i_ulev > 0 )
3072     {
3073         while( i_ulev > 0 )
3074         {
3075             if( mi_level == 1 )
3076             {
3077                 mi_level = 0;
3078                 return NULL;
3079             }
3080
3081             delete m_el[mi_level - 1];
3082             m_got = m_el[mi_level -1] = m_el[mi_level];
3083             m_el[mi_level] = NULL;
3084
3085             mi_level--;
3086             i_ulev--;
3087         }
3088         return NULL;
3089     }
3090     else if( m_el[mi_level] == NULL )
3091     {
3092         fprintf( stderr," m_el[mi_level] == NULL\n" );
3093     }
3094
3095     return m_el[mi_level];
3096 }
3097
3098
3099 /*****************************************************************************
3100  * Tools
3101  *  * LoadCues : load the cues element and update index
3102  *
3103  *  * LoadTags : load ... the tags element
3104  *
3105  *  * InformationCreate : create all information, load tags if present
3106  *
3107  *****************************************************************************/
3108 void matroska_segment_c::LoadCues( )
3109 {
3110     int64_t     i_sav_position = es.I_O().getFilePointer();
3111     EbmlParser  *ep;
3112     EbmlElement *el, *cues;
3113
3114     /* *** Load the cue if found *** */
3115     if( i_cues_position < 0 )
3116     {
3117         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3118
3119 //        IndexAppendCluster( cluster );
3120     }
3121
3122     vlc_bool_t b_seekable;
3123
3124     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3125     if( !b_seekable )
3126         return;
3127
3128     msg_Dbg( &sys.demuxer, "loading cues" );
3129     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3130     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3131
3132     if( cues == NULL )
3133     {
3134         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3135         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3136         return;
3137     }
3138
3139     ep = new EbmlParser( &es, cues, &sys.demuxer );
3140     while( ( el = ep->Get() ) != NULL )
3141     {
3142         if( MKV_IS_ID( el, KaxCuePoint ) )
3143         {
3144 #define idx index[i_index]
3145
3146             idx.i_track       = -1;
3147             idx.i_block_number= -1;
3148             idx.i_position    = -1;
3149             idx.i_time        = 0;
3150             idx.b_key         = VLC_TRUE;
3151
3152             ep->Down();
3153             while( ( el = ep->Get() ) != NULL )
3154             {
3155                 if( MKV_IS_ID( el, KaxCueTime ) )
3156                 {
3157                     KaxCueTime &ctime = *(KaxCueTime*)el;
3158
3159                     ctime.ReadData( es.I_O() );
3160
3161                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3162                 }
3163                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3164                 {
3165                     ep->Down();
3166                     while( ( el = ep->Get() ) != NULL )
3167                     {
3168                         if( MKV_IS_ID( el, KaxCueTrack ) )
3169                         {
3170                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3171
3172                             ctrack.ReadData( es.I_O() );
3173                             idx.i_track = uint16( ctrack );
3174                         }
3175                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3176                         {
3177                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3178
3179                             ccpos.ReadData( es.I_O() );
3180                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3181                         }
3182                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3183                         {
3184                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3185
3186                             cbnum.ReadData( es.I_O() );
3187                             idx.i_block_number = uint32( cbnum );
3188                         }
3189                         else
3190                         {
3191                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3192                         }
3193                     }
3194                     ep->Up();
3195                 }
3196                 else
3197                 {
3198                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3199                 }
3200             }
3201             ep->Up();
3202
3203 #if 0
3204             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3205                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3206                      idx.i_track, idx.i_block_number );
3207 #endif
3208
3209             i_index++;
3210             if( i_index >= i_index_max )
3211             {
3212                 i_index_max += 1024;
3213                 index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
3214             }
3215 #undef idx
3216         }
3217         else
3218         {
3219             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3220         }
3221     }
3222     delete ep;
3223     delete cues;
3224
3225     b_cues = VLC_TRUE;
3226
3227     msg_Dbg( &sys.demuxer, "loading cues done." );
3228     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3229 }
3230
3231 void matroska_segment_c::LoadTags( )
3232 {
3233     int64_t     i_sav_position = es.I_O().getFilePointer();
3234     EbmlParser  *ep;
3235     EbmlElement *el, *tags;
3236
3237     msg_Dbg( &sys.demuxer, "loading tags" );
3238     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3239     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3240
3241     if( tags == NULL )
3242     {
3243         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3244         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3245         return;
3246     }
3247
3248     msg_Dbg( &sys.demuxer, "Tags" );
3249     ep = new EbmlParser( &es, tags, &sys.demuxer );
3250     while( ( el = ep->Get() ) != NULL )
3251     {
3252         if( MKV_IS_ID( el, KaxTag ) )
3253         {
3254             msg_Dbg( &sys.demuxer, "+ Tag" );
3255             ep->Down();
3256             while( ( el = ep->Get() ) != NULL )
3257             {
3258                 if( MKV_IS_ID( el, KaxTagTargets ) )
3259                 {
3260                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3261                     ep->Down();
3262                     while( ( el = ep->Get() ) != NULL )
3263                     {
3264                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3265                     }
3266                     ep->Up();
3267                 }
3268                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3269                 {
3270                     msg_Dbg( &sys.demuxer, "|   + General" );
3271                     ep->Down();
3272                     while( ( el = ep->Get() ) != NULL )
3273                     {
3274                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3275                     }
3276                     ep->Up();
3277                 }
3278                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3279                 {
3280                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3281                     ep->Down();
3282                     while( ( el = ep->Get() ) != NULL )
3283                     {
3284                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3285                     }
3286                     ep->Up();
3287                 }
3288                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3289                 {
3290                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3291                     ep->Down();
3292                     while( ( el = ep->Get() ) != NULL )
3293                     {
3294                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3295                     }
3296                     ep->Up();
3297                 }
3298                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3299                 {
3300                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3301                     ep->Down();
3302                     while( ( el = ep->Get() ) != NULL )
3303                     {
3304                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3305                     }
3306                     ep->Up();
3307                 }
3308                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3309                 {
3310                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3311                 }
3312                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3313                 {
3314                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3315                 }
3316                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3317                 {
3318                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3319                 }
3320                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3321                 {
3322                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3323                 }
3324                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3325                 {
3326                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3327                 }
3328                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3329                 {
3330                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3331                 }
3332                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3333                 {
3334                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3335                 }
3336                 else
3337                 {
3338                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3339                 }
3340             }
3341             ep->Up();
3342         }
3343         else
3344         {
3345             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3346         }
3347     }
3348     delete ep;
3349     delete tags;
3350
3351     msg_Dbg( &sys.demuxer, "loading tags done." );
3352     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3353 }
3354
3355 /*****************************************************************************
3356  * ParseSeekHead:
3357  *****************************************************************************/
3358 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3359 {
3360     EbmlElement *el;
3361     size_t i, j;
3362     int i_upper_level = 0;
3363
3364     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3365
3366     /* Master elements */
3367     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3368
3369     for( i = 0; i < seekhead->ListSize(); i++ )
3370     {
3371         EbmlElement *l = (*seekhead)[i];
3372
3373         if( MKV_IS_ID( l, KaxSeek ) )
3374         {
3375             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3376             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3377             int64_t i_pos = -1;
3378
3379             for( j = 0; j < sk->ListSize(); j++ )
3380             {
3381                 EbmlElement *l = (*sk)[j];
3382
3383                 if( MKV_IS_ID( l, KaxSeekID ) )
3384                 {
3385                     KaxSeekID &sid = *(KaxSeekID*)l;
3386                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3387                 }
3388                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3389                 {
3390                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3391                     i_pos = uint64( spos );
3392                 }
3393                 else
3394                 {
3395                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3396                 }
3397             }
3398
3399             if( i_pos >= 0 )
3400             {
3401                 if( id == KaxCues::ClassInfos.GlobalId )
3402                 {
3403                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3404                     i_cues_position = segment->GetGlobalPosition( i_pos );
3405                 }
3406                 else if( id == KaxChapters::ClassInfos.GlobalId )
3407                 {
3408                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3409                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3410                 }
3411                 else if( id == KaxTags::ClassInfos.GlobalId )
3412                 {
3413                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3414                     i_tags_position = segment->GetGlobalPosition( i_pos );
3415                 }
3416             }
3417         }
3418         else
3419         {
3420             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3421         }
3422     }
3423 }
3424
3425 /*****************************************************************************
3426  * ParseTrackEntry:
3427  *****************************************************************************/
3428 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3429 {
3430     size_t i, j, k, n;
3431
3432     mkv_track_t *tk;
3433
3434     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3435
3436     tk = new mkv_track_t();
3437     tracks.push_back( tk );
3438
3439     /* Init the track */
3440     memset( tk, 0, sizeof( mkv_track_t ) );
3441
3442     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3443     tk->fmt.psz_language = strdup("English");
3444     tk->fmt.psz_description = NULL;
3445
3446     tk->b_default = VLC_TRUE;
3447     tk->b_enabled = VLC_TRUE;
3448     tk->b_silent = VLC_FALSE;
3449     tk->i_number = tracks.size() - 1;
3450     tk->i_extra_data = 0;
3451     tk->p_extra_data = NULL;
3452     tk->psz_codec = NULL;
3453     tk->i_default_duration = 0;
3454     tk->f_timecodescale = 1.0;
3455
3456     tk->b_inited = VLC_FALSE;
3457     tk->i_data_init = 0;
3458     tk->p_data_init = NULL;
3459
3460     tk->psz_codec_name = NULL;
3461     tk->psz_codec_settings = NULL;
3462     tk->psz_codec_info_url = NULL;
3463     tk->psz_codec_download_url = NULL;
3464
3465     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3466
3467     for( i = 0; i < m->ListSize(); i++ )
3468     {
3469         EbmlElement *l = (*m)[i];
3470
3471         if( MKV_IS_ID( l, KaxTrackNumber ) )
3472         {
3473             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3474
3475             tk->i_number = uint32( tnum );
3476             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3477         }
3478         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3479         {
3480             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3481
3482             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3483         }
3484         else  if( MKV_IS_ID( l, KaxTrackType ) )
3485         {
3486             char *psz_type;
3487             KaxTrackType &ttype = *(KaxTrackType*)l;
3488
3489             switch( uint8(ttype) )
3490             {
3491                 case track_audio:
3492                     psz_type = "audio";
3493                     tk->fmt.i_cat = AUDIO_ES;
3494                     break;
3495                 case track_video:
3496                     psz_type = "video";
3497                     tk->fmt.i_cat = VIDEO_ES;
3498                     break;
3499                 case track_subtitle:
3500                     psz_type = "subtitle";
3501                     tk->fmt.i_cat = SPU_ES;
3502                     break;
3503                 case track_buttons:
3504                     psz_type = "buttons";
3505                     tk->fmt.i_cat = SPU_ES;
3506                     break;
3507                 default:
3508                     psz_type = "unknown";
3509                     tk->fmt.i_cat = UNKNOWN_ES;
3510                     break;
3511             }
3512
3513             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3514         }
3515 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3516 //        {
3517 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3518
3519 //            tk->b_enabled = uint32( fenb );
3520 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3521 //                     uint32( fenb )  );
3522 //        }
3523         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3524         {
3525             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3526
3527             tk->b_default = uint32( fdef );
3528             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3529         }
3530         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3531         {
3532             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3533
3534             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3535         }
3536         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3537         {
3538             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3539
3540             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3541         }
3542         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3543         {
3544             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3545
3546             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3547         }
3548         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3549         {
3550             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3551
3552             tk->i_default_duration = uint64(defd);
3553             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3554         }
3555         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3556         {
3557             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3558
3559             tk->f_timecodescale = float( ttcs );
3560             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3561         }
3562         else if( MKV_IS_ID( l, KaxTrackName ) )
3563         {
3564             KaxTrackName &tname = *(KaxTrackName*)l;
3565
3566             tk->fmt.psz_description = UTF8ToStr( UTFstring( tname ) );
3567             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3568         }
3569         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3570         {
3571             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3572
3573             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3574             msg_Dbg( &sys.demuxer,
3575                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3576         }
3577         else  if( MKV_IS_ID( l, KaxCodecID ) )
3578         {
3579             KaxCodecID &codecid = *(KaxCodecID*)l;
3580
3581             tk->psz_codec = strdup( string( codecid ).c_str() );
3582             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3583         }
3584         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3585         {
3586             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
3587
3588             tk->i_extra_data = cpriv.GetSize();
3589             if( tk->i_extra_data > 0 )
3590             {
3591                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
3592                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
3593             }
3594             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
3595         }
3596         else if( MKV_IS_ID( l, KaxCodecName ) )
3597         {
3598             KaxCodecName &cname = *(KaxCodecName*)l;
3599
3600             tk->psz_codec_name = UTF8ToStr( UTFstring( cname ) );
3601             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
3602         }
3603         else if( MKV_IS_ID( l, KaxContentEncodings ) )
3604         {
3605             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
3606             MkvTree( sys.demuxer, 3, "Content Encodings" );
3607             for( j = 0; j < cencs->ListSize(); j++ )
3608             {
3609                 EbmlElement *l2 = (*cencs)[j];
3610                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
3611                 {
3612                     MkvTree( sys.demuxer, 4, "Content Encoding" );
3613                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
3614                     for( k = 0; k < cenc->ListSize(); k++ )
3615                     {
3616                         EbmlElement *l3 = (*cenc)[k];
3617                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
3618                         {
3619                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
3620                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
3621                         }
3622                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
3623                         {
3624                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
3625                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
3626                         }
3627                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
3628                         {
3629                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
3630                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
3631                         }
3632                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
3633                         {
3634                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
3635                             MkvTree( sys.demuxer, 5, "Content Compression" );
3636                             for( n = 0; n < compr->ListSize(); n++ )
3637                             {
3638                                 EbmlElement *l4 = (*compr)[n];
3639                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
3640                                 {
3641                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
3642                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
3643                                     if( uint32( compalg ) == 0 )
3644                                     {
3645                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
3646                                     }
3647                                 }
3648                                 else
3649                                 {
3650                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
3651                                 }
3652                             }
3653                         }
3654
3655                         else
3656                         {
3657                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
3658                         }
3659                     }
3660
3661                 }
3662                 else
3663                 {
3664                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
3665                 }
3666             }
3667
3668         }
3669 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
3670 //        {
3671 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
3672
3673 //            tk->psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
3674 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
3675 //        }
3676 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
3677 //        {
3678 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
3679
3680 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
3681 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
3682 //        }
3683 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
3684 //        {
3685 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
3686
3687 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
3688 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
3689 //        }
3690 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
3691 //        {
3692 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
3693
3694 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
3695 //        }
3696 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
3697 //        {
3698 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
3699
3700 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
3701 //        }
3702         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
3703         {
3704             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
3705             unsigned int j;
3706
3707             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
3708             tk->f_fps = 0.0;
3709
3710             for( j = 0; j < tkv->ListSize(); j++ )
3711             {
3712                 EbmlElement *l = (*tkv)[j];
3713 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
3714 //                {
3715 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
3716
3717 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
3718 //                }
3719 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
3720 //                {
3721 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
3722
3723 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
3724 //                }
3725 //                else
3726                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
3727                 {
3728                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
3729
3730                     tk->fmt.video.i_width = uint16( vwidth );
3731                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
3732                 }
3733                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
3734                 {
3735                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
3736
3737                     tk->fmt.video.i_height = uint16( vheight );
3738                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
3739                 }
3740                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
3741                 {
3742                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
3743
3744                     tk->fmt.video.i_visible_width = uint16( vwidth );
3745                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
3746                 }
3747                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
3748                 {
3749                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
3750
3751                     tk->fmt.video.i_visible_height = uint16( vheight );
3752                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
3753                 }
3754                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
3755                 {
3756                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
3757
3758                     tk->f_fps = float( vfps );
3759                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
3760                 }
3761 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
3762 //                {
3763 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
3764
3765 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
3766 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
3767 //                }
3768 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
3769 //                {
3770 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
3771
3772 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
3773 //                }
3774 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
3775 //                {
3776 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
3777
3778 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
3779 //                }
3780                 else
3781                 {
3782                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
3783                 }
3784             }
3785             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
3786                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
3787         }
3788         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
3789         {
3790             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
3791             unsigned int j;
3792
3793             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
3794
3795             for( j = 0; j < tka->ListSize(); j++ )
3796             {
3797                 EbmlElement *l = (*tka)[j];
3798
3799                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
3800                 {
3801                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
3802
3803                     tk->fmt.audio.i_rate = (int)float( afreq );
3804                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
3805                 }
3806                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
3807                 {
3808                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
3809
3810                     tk->fmt.audio.i_channels = uint8( achan );
3811                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
3812                 }
3813                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
3814                 {
3815                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
3816
3817                     tk->fmt.audio.i_bitspersample = uint8( abits );
3818                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
3819                 }
3820                 else
3821                 {
3822                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
3823                 }
3824             }
3825         }
3826         else
3827         {
3828             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
3829                      typeid(*l).name() );
3830         }
3831     }
3832 }
3833
3834 /*****************************************************************************
3835  * ParseTracks:
3836  *****************************************************************************/
3837 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
3838 {
3839     EbmlElement *el;
3840     unsigned int i;
3841     int i_upper_level = 0;
3842
3843     msg_Dbg( &sys.demuxer, "|   + Tracks" );
3844
3845     /* Master elements */
3846     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
3847
3848     for( i = 0; i < tracks->ListSize(); i++ )
3849     {
3850         EbmlElement *l = (*tracks)[i];
3851
3852         if( MKV_IS_ID( l, KaxTrackEntry ) )
3853         {
3854             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
3855         }
3856         else
3857         {
3858             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3859         }
3860     }
3861 }
3862
3863 /*****************************************************************************
3864  * ParseInfo:
3865  *****************************************************************************/
3866 void matroska_segment_c::ParseInfo( KaxInfo *info )
3867 {
3868     EbmlElement *el;
3869     EbmlMaster  *m;
3870     size_t i, j;
3871     int i_upper_level = 0;
3872
3873     msg_Dbg( &sys.demuxer, "|   + Information" );
3874
3875     /* Master elements */
3876     m = static_cast<EbmlMaster *>(info);
3877     m->Read( es, info->Generic().Context, i_upper_level, el, true );
3878
3879     for( i = 0; i < m->ListSize(); i++ )
3880     {
3881         EbmlElement *l = (*m)[i];
3882
3883         if( MKV_IS_ID( l, KaxSegmentUID ) )
3884         {
3885             segment_uid = *(new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l)));
3886
3887             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)segment_uid.GetBuffer() );
3888         }
3889         else if( MKV_IS_ID( l, KaxPrevUID ) )
3890         {
3891             prev_segment_uid = *(new KaxPrevUID(*static_cast<KaxPrevUID*>(l)));
3892
3893             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)prev_segment_uid.GetBuffer() );
3894         }
3895         else if( MKV_IS_ID( l, KaxNextUID ) )
3896         {
3897             next_segment_uid = *(new KaxNextUID(*static_cast<KaxNextUID*>(l)));
3898
3899             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)next_segment_uid.GetBuffer() );
3900         }
3901         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
3902         {
3903             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
3904
3905             i_timescale = uint64(tcs);
3906
3907             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
3908                      i_timescale );
3909         }
3910         else if( MKV_IS_ID( l, KaxDuration ) )
3911         {
3912             KaxDuration &dur = *(KaxDuration*)l;
3913
3914             i_duration = mtime_t( double( dur ) );
3915
3916             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
3917                      i_duration );
3918         }
3919         else if( MKV_IS_ID( l, KaxMuxingApp ) )
3920         {
3921             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
3922
3923             psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
3924
3925             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
3926                      psz_muxing_application );
3927         }
3928         else if( MKV_IS_ID( l, KaxWritingApp ) )
3929         {
3930             KaxWritingApp &wapp = *(KaxWritingApp*)l;
3931
3932             psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
3933
3934             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
3935                      psz_writing_application );
3936         }
3937         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
3938         {
3939             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
3940
3941             psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
3942
3943             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
3944                      psz_segment_filename );
3945         }
3946         else if( MKV_IS_ID( l, KaxTitle ) )
3947         {
3948             KaxTitle &title = *(KaxTitle*)l;
3949
3950             psz_title = UTF8ToStr( UTFstring( title ) );
3951
3952             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
3953         }
3954         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
3955         {
3956             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
3957
3958             families.push_back(*uid);
3959
3960             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
3961         }
3962 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
3963         else if( MKV_IS_ID( l, KaxDateUTC ) )
3964         {
3965             KaxDateUTC &date = *(KaxDateUTC*)l;
3966             time_t i_date;
3967             struct tm tmres;
3968             char   buffer[256];
3969
3970             i_date = date.GetEpochDate();
3971             memset( buffer, 0, 256 );
3972             if( gmtime_r( &i_date, &tmres ) &&
3973                 asctime_r( &tmres, buffer ) )
3974             {
3975                 buffer[strlen( buffer)-1]= '\0';
3976                 psz_date_utc = strdup( buffer );
3977                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
3978             }
3979         }
3980 #endif
3981 #if LIBMATROSKA_VERSION >= 0x000704
3982         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
3983         {
3984             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
3985             chapter_translation_c translated;
3986
3987             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
3988             for( j = 0; j < p_trans->ListSize(); j++ )
3989             {
3990                 EbmlElement *l = (*p_trans)[j];
3991
3992                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
3993                 {
3994                     translated.editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
3995                 }
3996                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
3997                 {
3998                     translated.codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
3999                 }
4000                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4001                 {
4002                     translated.translated = *( new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) ) );
4003                 }
4004             }
4005
4006             translations.push_back( translated );
4007         }
4008 #endif
4009         else
4010         {
4011             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4012         }
4013     }
4014
4015     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4016     i_duration = mtime_t(f_dur);
4017 }
4018
4019
4020 /*****************************************************************************
4021  * ParseChapterAtom
4022  *****************************************************************************/
4023 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4024 {
4025     size_t i, j;
4026
4027     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4028     for( i = 0; i < ca->ListSize(); i++ )
4029     {
4030         EbmlElement *l = (*ca)[i];
4031
4032         if( MKV_IS_ID( l, KaxChapterUID ) )
4033         {
4034             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4035             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4036         }
4037         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4038         {
4039             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4040             chapters.b_display_seekpoint = uint8( flag ) == 0;
4041
4042             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4043         }
4044         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4045         {
4046             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4047             chapters.i_start_time = uint64( start ) / I64C(1000);
4048
4049             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4050         }
4051         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4052         {
4053             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4054             chapters.i_end_time = uint64( end ) / I64C(1000);
4055
4056             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4057         }
4058         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4059         {
4060             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4061
4062             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4063             for( j = 0; j < cd->ListSize(); j++ )
4064             {
4065                 EbmlElement *l= (*cd)[j];
4066
4067                 if( MKV_IS_ID( l, KaxChapterString ) )
4068                 {
4069                     int k;
4070
4071                     KaxChapterString &name =*(KaxChapterString*)l;
4072                     for (k = 0; k < i_level; k++)
4073                         chapters.psz_name += '+';
4074                     chapters.psz_name += ' ';
4075                     chapters.psz_name += UTF8ToStr( UTFstring( name ) );
4076                     chapters.b_user_display = true;
4077
4078                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", UTF8ToStr(UTFstring(name)) );
4079                 }
4080                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4081                 {
4082                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4083                     const char *psz = string( lang ).c_str();
4084
4085                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4086                 }
4087                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4088                 {
4089                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4090                     const char *psz = string( ct ).c_str();
4091
4092                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4093                 }
4094             }
4095         }
4096         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4097         {
4098             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4099
4100             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4101             chapter_codec_cmds_c *p_ccodec = NULL;
4102
4103             for( j = 0; j < cp->ListSize(); j++ )
4104             {
4105                 EbmlElement *k= (*cp)[j];
4106
4107                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4108                 {
4109                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4110                     if ( uint32(*p_codec_id) == 0 )
4111                         p_ccodec = new matroska_script_codec_c( sys );
4112                     else if ( uint32(*p_codec_id) == 1 )
4113                         p_ccodec = new dvd_chapter_codec_c( sys );
4114                     break;
4115                 }
4116             }
4117
4118             if ( p_ccodec != NULL )
4119             {
4120                 for( j = 0; j < cp->ListSize(); j++ )
4121                 {
4122                     EbmlElement *k= (*cp)[j];
4123
4124                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4125                     {
4126                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4127                         p_ccodec->SetPrivate( *p_private );
4128                     }
4129                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4130                     {
4131                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4132                     }
4133                 }
4134                 chapters.codecs.push_back( p_ccodec );
4135             }
4136         }
4137         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4138         {
4139             chapter_item_c *new_sub_chapter = new chapter_item_c();
4140             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4141             new_sub_chapter->psz_parent = &chapters;
4142             chapters.sub_chapters.push_back( new_sub_chapter );
4143         }
4144     }
4145 }
4146
4147 /*****************************************************************************
4148  * ParseChapters:
4149  *****************************************************************************/
4150 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4151 {
4152     EbmlElement *el;
4153     size_t i;
4154     int i_upper_level = 0;
4155     mtime_t i_dur;
4156
4157     /* Master elements */
4158     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4159
4160     for( i = 0; i < chapters->ListSize(); i++ )
4161     {
4162         EbmlElement *l = (*chapters)[i];
4163
4164         if( MKV_IS_ID( l, KaxEditionEntry ) )
4165         {
4166             chapter_edition_c *p_edition = new chapter_edition_c();
4167
4168             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4169             size_t j;
4170             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4171             for( j = 0; j < E->ListSize(); j++ )
4172             {
4173                 EbmlElement *l = (*E)[j];
4174
4175                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4176                 {
4177                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4178                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4179                     p_edition->sub_chapters.push_back( new_sub_chapter );
4180                 }
4181                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4182                 {
4183                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4184                 }
4185                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4186                 {
4187                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4188                 }
4189                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4190                 {
4191                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4192                         i_default_edition = stored_editions.size();
4193                 }
4194                 else
4195                 {
4196                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4197                 }
4198             }
4199             stored_editions.push_back( p_edition );
4200         }
4201         else
4202         {
4203             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4204         }
4205     }
4206
4207     for( i = 0; i < stored_editions.size(); i++ )
4208     {
4209         stored_editions[i]->RefreshChapters( );
4210     }
4211
4212     if ( stored_editions[i_default_edition]->b_ordered )
4213     {
4214         /* update the duration of the segment according to the sum of all sub chapters */
4215         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4216         if (i_dur > 0)
4217             i_duration = i_dur;
4218     }
4219 }
4220
4221 void matroska_segment_c::ParseCluster( )
4222 {
4223     EbmlElement *el;
4224     EbmlMaster  *m;
4225     unsigned int i;
4226     int i_upper_level = 0;
4227
4228     /* Master elements */
4229     m = static_cast<EbmlMaster *>( cluster );
4230     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4231
4232     for( i = 0; i < m->ListSize(); i++ )
4233     {
4234         EbmlElement *l = (*m)[i];
4235
4236         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4237         {
4238             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4239
4240             cluster->InitTimecode( uint64( ctc ), i_timescale );
4241             break;
4242         }
4243     }
4244
4245     i_start_time = cluster->GlobalTimecode() / 1000;
4246 }
4247
4248 /*****************************************************************************
4249  * InformationCreate:
4250  *****************************************************************************/
4251 void matroska_segment_c::InformationCreate( )
4252 {
4253     size_t      i_track;
4254
4255     sys.meta = vlc_meta_New();
4256
4257     if( psz_title )
4258     {
4259         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4260     }
4261     if( psz_date_utc )
4262     {
4263         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4264     }
4265     if( psz_segment_filename )
4266     {
4267         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4268     }
4269     if( psz_muxing_application )
4270     {
4271         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4272     }
4273     if( psz_writing_application )
4274     {
4275         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4276     }
4277
4278     for( i_track = 0; i_track < tracks.size(); i_track++ )
4279     {
4280         mkv_track_t *tk = tracks[i_track];
4281         vlc_meta_t *mtk = vlc_meta_New();
4282
4283         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4284                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4285         sys.meta->track[sys.meta->i_track++] = mtk;
4286
4287         if( tk->fmt.psz_description )
4288         {
4289             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4290         }
4291         if( tk->psz_codec_name )
4292         {
4293             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4294         }
4295         if( tk->psz_codec_settings )
4296         {
4297             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4298         }
4299         if( tk->psz_codec_info_url )
4300         {
4301             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4302         }
4303         if( tk->psz_codec_download_url )
4304         {
4305             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4306         }
4307     }
4308
4309     if( i_tags_position >= 0 )
4310     {
4311         vlc_bool_t b_seekable;
4312
4313         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4314         if( b_seekable )
4315         {
4316             LoadTags( );
4317         }
4318     }
4319 }
4320
4321
4322 /*****************************************************************************
4323  * Divers
4324  *****************************************************************************/
4325
4326 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4327 {
4328 #define idx index[i_index]
4329     idx.i_track       = -1;
4330     idx.i_block_number= -1;
4331     idx.i_position    = cluster->GetElementPosition();
4332     idx.i_time        = -1;
4333     idx.b_key         = VLC_TRUE;
4334
4335     i_index++;
4336     if( i_index >= i_index_max )
4337     {
4338         i_index_max += 1024;
4339         index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
4340     }
4341 #undef idx
4342 }
4343
4344 static char * UTF8ToStr( const UTFstring &u )
4345 {
4346     int     i_src;
4347     const wchar_t *src;
4348     char *dst, *p;
4349
4350     i_src = u.length();
4351     src   = u.c_str();
4352
4353     p = dst = (char*)malloc( i_src + 1);
4354     while( i_src > 0 )
4355     {
4356         if( *src < 255 )
4357         {
4358             *p++ = (char)*src;
4359         }
4360         else
4361         {
4362             *p++ = '?';
4363         }
4364         src++;
4365         i_src--;
4366     }
4367     *p++= '\0';
4368
4369     return dst;
4370 }
4371
4372 void chapter_edition_c::RefreshChapters( )
4373 {
4374     chapter_item_c::RefreshChapters( b_ordered, -1 );
4375     b_display_seekpoint = false;
4376 }
4377
4378 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4379 {
4380     int64_t i_user_time = i_prev_user_time;
4381
4382     // first the sub-chapters, and then ourself
4383     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4384     while ( index != sub_chapters.end() )
4385     {
4386         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4387         index++;
4388     }
4389
4390     if ( b_ordered )
4391     {
4392         // the ordered chapters always start at zero
4393         if ( i_prev_user_time == -1 )
4394         {
4395             if ( i_user_time == -1 )
4396                 i_user_time = 0;
4397             i_prev_user_time = 0;
4398         }
4399
4400         i_user_start_time = i_prev_user_time;
4401         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4402         {
4403             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4404         }
4405         else
4406         {
4407             i_user_end_time = i_user_time;
4408         }
4409     }
4410     else
4411     {
4412         std::sort( sub_chapters.begin(), sub_chapters.end() );
4413         i_user_start_time = i_start_time;
4414         if ( i_end_time != -1 )
4415             i_user_end_time = i_end_time;
4416         else if ( i_user_time != -1 )
4417             i_user_end_time = i_user_time;
4418         else
4419             i_user_end_time = i_user_start_time;
4420     }
4421
4422     return i_user_end_time;
4423 }
4424
4425 mtime_t chapter_edition_c::Duration() const
4426 {
4427     mtime_t i_result = 0;
4428
4429     if ( sub_chapters.size() )
4430     {
4431         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4432         index--;
4433         i_result = (*index)->i_user_end_time;
4434     }
4435
4436     return i_result;
4437 }
4438
4439 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode )
4440 {
4441     chapter_item_c *psz_result = NULL;
4442
4443     if ( i_user_timecode >= i_user_start_time &&
4444         ( i_user_timecode < i_user_end_time ||
4445           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4446     {
4447         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4448         while ( index != sub_chapters.end() && psz_result == NULL )
4449         {
4450             psz_result = (*index)->FindTimecode( i_user_timecode );
4451             index++;
4452         }
4453
4454         if ( psz_result == NULL )
4455             psz_result = this;
4456     }
4457
4458     return psz_result;
4459 }
4460
4461 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4462 {
4463     if ( &item == this )
4464         return true;
4465
4466     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4467     while ( index != sub_chapters.end() )
4468     {
4469         if ( (*index)->ParentOf( item ) )
4470             return true;
4471         index++;
4472     }
4473
4474     return false;
4475 }
4476
4477 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4478 {
4479     for (size_t i=0; i<opened_segments.size(); i++)
4480     {
4481         opened_segments[i]->PreloadFamily( of_segment );
4482     }
4483 }
4484 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4485 {
4486     if ( b_preloaded )
4487         return false;
4488
4489     for (size_t i=0; i<families.size(); i++)
4490     {
4491         for (size_t j=0; j<of_segment.families.size(); j++)
4492         {
4493             if ( families[i] == of_segment.families[j] )
4494                 return Preload( );
4495         }
4496     }
4497
4498     return false;
4499 }
4500
4501 // preload all the linked segments for all preloaded segments
4502 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4503 {
4504     size_t i_preloaded, i, j;
4505     virtual_segment_c *p_seg;
4506
4507     p_current_segment = VirtualFromSegments( p_segment );
4508
4509     used_segments.push_back( p_current_segment );
4510
4511     // create all the other virtual segments of the family
4512     do {
4513         i_preloaded = 0;
4514         for ( i=0; i< opened_segments.size(); i++ )
4515         {
4516             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4517             {
4518                 p_seg = VirtualFromSegments( opened_segments[i] );
4519                 used_segments.push_back( p_seg );
4520                 i_preloaded++;
4521             }
4522         }
4523     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4524
4525     // publish all editions of all usable segment
4526     for ( i=0; i< used_segments.size(); i++ )
4527     {
4528         p_seg = used_segments[i];
4529         if ( p_seg->p_editions != NULL )
4530         {
4531             std::string sz_name;
4532             input_title_t *p_title = vlc_input_title_New();
4533             p_seg->i_sys_title = i;
4534             int i_chapters;
4535
4536             // TODO use a name for each edition, let the TITLE deal with a codec name
4537             for ( j=0; j<p_seg->p_editions->size(); j++ )
4538             {
4539                 if ( p_title->psz_name == NULL )
4540                 {
4541                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4542                     if ( sz_name != "" )
4543                         p_title->psz_name = strdup( sz_name.c_str() );
4544                 }
4545
4546                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4547
4548                 i_chapters = 0;
4549                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4550             }
4551
4552             // create a name if there is none
4553             if ( p_title->psz_name == NULL )
4554             {
4555                 sz_name = N_("Segment ");
4556                 char psz_str[6];
4557                 sprintf( psz_str, "%d", i );
4558                 sz_name += psz_str;
4559                 p_title->psz_name = strdup( sz_name.c_str() );
4560             }
4561
4562             titles.push_back( *p_title );
4563         }
4564     }
4565 }
4566
4567 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4568 {
4569     for ( size_t i=0; i< used_segments.size(); i++ )
4570     {
4571         if ( used_segments[i]->FindUID( segment.segment_uid ) )
4572             return true;
4573     }
4574     return false;
4575 }
4576
4577 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4578 {
4579     size_t i_preloaded, i;
4580
4581     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4582
4583     // fill our current virtual segment with all hard linked segments
4584     do {
4585         i_preloaded = 0;
4586         for ( i=0; i< opened_segments.size(); i++ )
4587         {
4588             i_preloaded += p_result->AddSegment( opened_segments[i] );
4589         }
4590     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4591
4592     p_result->Sort( );
4593
4594     p_result->PreloadLinked( );
4595
4596     p_result->PrepareChapters( );
4597
4598     return p_result;
4599 }
4600
4601 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
4602 {
4603     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
4604     {
4605         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
4606             p_current_segment->Segment()->UnSelect();
4607
4608         p_current_segment = p_new_segment;
4609         i_current_title = p_new_segment->i_sys_title;
4610     }
4611
4612     p_current_segment->LoadCues();
4613     f_duration = p_current_segment->Duration();
4614
4615     /* add information */
4616     p_current_segment->Segment()->InformationCreate( );
4617
4618     p_current_segment->Segment()->Select( 0 );
4619
4620     return true;
4621 }
4622
4623 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
4624 {
4625     EbmlBinary * p_itema = (EbmlBinary *)(&p_item_a->segment_uid);
4626     if ( *p_itema == p_item_b->prev_segment_uid )
4627         return true;
4628
4629     p_itema = (EbmlBinary *)(&p_item_a->next_segment_uid);
4630     if ( *p_itema == p_item_b->segment_uid )
4631         return true;
4632
4633     if ( *p_itema == p_item_b->prev_segment_uid )
4634         return true;
4635
4636     return false;
4637 }
4638
4639 bool matroska_segment_c::Preload( )
4640 {
4641     if ( b_preloaded )
4642         return false;
4643
4644     EbmlElement *el = NULL;
4645
4646     ep->Reset( &sys.demuxer );
4647
4648     while( ( el = ep->Get() ) != NULL )
4649     {
4650         if( MKV_IS_ID( el, KaxInfo ) )
4651         {
4652             ParseInfo( static_cast<KaxInfo*>( el ) );
4653         }
4654         else if( MKV_IS_ID( el, KaxTracks ) )
4655         {
4656             ParseTracks( static_cast<KaxTracks*>( el ) );
4657         }
4658         else if( MKV_IS_ID( el, KaxSeekHead ) )
4659         {
4660             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
4661         }
4662         else if( MKV_IS_ID( el, KaxCues ) )
4663         {
4664             msg_Dbg( &sys.demuxer, "|   + Cues" );
4665         }
4666         else if( MKV_IS_ID( el, KaxCluster ) )
4667         {
4668             msg_Dbg( &sys.demuxer, "|   + Cluster" );
4669
4670             cluster = (KaxCluster*)el;
4671
4672             i_start_pos = cluster->GetElementPosition();
4673             ParseCluster( );
4674
4675             ep->Down();
4676             /* stop parsing the stream */
4677             break;
4678         }
4679         else if( MKV_IS_ID( el, KaxAttachments ) )
4680         {
4681             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
4682         }
4683         else if( MKV_IS_ID( el, KaxChapters ) )
4684         {
4685             msg_Dbg( &sys.demuxer, "|   + Chapters" );
4686             ParseChapters( static_cast<KaxChapters*>( el ) );
4687         }
4688         else if( MKV_IS_ID( el, KaxTag ) )
4689         {
4690             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
4691         }
4692         else
4693         {
4694             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
4695         }
4696     }
4697
4698     b_preloaded = true;
4699
4700     return true;
4701 }
4702
4703 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
4704 {
4705     for (size_t i=0; i<opened_segments.size(); i++)
4706     {
4707         if ( opened_segments[i]->segment_uid == uid )
4708             return opened_segments[i];
4709     }
4710     return NULL;
4711 }
4712
4713 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
4714                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
4715                                         const void *p_cookie,
4716                                         size_t i_cookie_size,
4717                                         virtual_segment_c * &p_segment_found )
4718 {
4719     chapter_item_c *p_result = NULL;
4720     for (size_t i=0; i<used_segments.size(); i++)
4721     {
4722         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
4723         if ( p_result != NULL )
4724         {
4725             p_segment_found = used_segments[i];
4726             break;
4727         }
4728     }
4729     return p_result;
4730 }
4731
4732 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
4733 {
4734     chapter_item_c *p_result = NULL;
4735     for (size_t i=0; i<used_segments.size(); i++)
4736     {
4737         p_result = used_segments[i]->FindChapter( i_find_uid );
4738         if ( p_result != NULL )
4739         {
4740             p_segment_found = used_segments[i];
4741             break;
4742         }
4743     }
4744     return p_result;
4745 }
4746
4747 void virtual_segment_c::Sort()
4748 {
4749     // keep the current segment index
4750     matroska_segment_c *p_segment = linked_segments[i_current_segment];
4751
4752     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
4753
4754     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
4755         if ( linked_segments[i_current_segment] == p_segment )
4756             break;
4757 }
4758
4759 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
4760 {
4761     size_t i;
4762     // check if it's not already in here
4763     for ( i=0; i<linked_segments.size(); i++ )
4764     {
4765         if ( p_segment->segment_uid == linked_segments[i]->segment_uid )
4766             return 0;
4767     }
4768
4769     // find possible mates
4770     for ( i=0; i<linked_uids.size(); i++ )
4771     {
4772         if (   p_segment->segment_uid == linked_uids[i]
4773             || p_segment->prev_segment_uid == linked_uids[i]
4774             || p_segment->next_segment_uid == linked_uids[i] )
4775         {
4776             linked_segments.push_back( p_segment );
4777
4778             AppendUID( p_segment->prev_segment_uid );
4779             AppendUID( p_segment->next_segment_uid );
4780
4781             return 1;
4782         }
4783     }
4784     return 0;
4785 }
4786
4787 void virtual_segment_c::PreloadLinked( )
4788 {
4789     for ( size_t i=0; i<linked_segments.size(); i++ )
4790     {
4791         linked_segments[i]->Preload( );
4792     }
4793     i_current_edition = linked_segments[0]->i_default_edition;
4794 }
4795
4796 mtime_t virtual_segment_c::Duration() const
4797 {
4798     mtime_t i_duration;
4799     if ( linked_segments.size() == 0 )
4800         i_duration = 0;
4801     else {
4802         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
4803 //        p_last_segment->ParseCluster( );
4804
4805         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
4806     }
4807     return i_duration;
4808 }
4809
4810 void virtual_segment_c::LoadCues( )
4811 {
4812     for ( size_t i=0; i<linked_segments.size(); i++ )
4813     {
4814         linked_segments[i]->LoadCues();
4815     }
4816 }
4817
4818 void virtual_segment_c::AppendUID( const EbmlBinary & UID )
4819 {
4820     if ( UID.GetBuffer() == NULL )
4821         return;
4822
4823     for (size_t i=0; i<linked_uids.size(); i++)
4824     {
4825         if ( UID == linked_uids[i] )
4826             return;
4827     }
4828     linked_uids.push_back( *(KaxSegmentUID*)(&UID) );
4829 }
4830
4831 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
4832 {
4833     KaxBlock    *block;
4834     int         i_track_skipping;
4835     int64_t     i_block_duration;
4836     int64_t     i_block_ref1;
4837     int64_t     i_block_ref2;
4838     size_t      i_track;
4839     int64_t     i_seek_position = i_start_pos;
4840     int64_t     i_seek_time = i_start_time;
4841
4842     if ( i_index > 0 )
4843     {
4844         int i_idx = 0;
4845
4846         for( ; i_idx < i_index; i_idx++ )
4847         {
4848             if( index[i_idx].i_time + i_time_offset > i_date )
4849             {
4850                 break;
4851             }
4852         }
4853
4854         if( i_idx > 0 )
4855         {
4856             i_idx--;
4857         }
4858
4859         i_seek_position = index[i_idx].i_position;
4860         i_seek_time = index[i_idx].i_time;
4861     }
4862
4863     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
4864                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
4865
4866     es.I_O().setFilePointer( i_seek_position, seek_beginning );
4867
4868     delete ep;
4869     ep = new EbmlParser( &es, segment, &sys.demuxer );
4870     cluster = NULL;
4871
4872     sys.i_start_pts = i_date;
4873
4874     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
4875
4876     /* now parse until key frame */
4877     i_track_skipping = 0;
4878     for( i_track = 0; i_track < tracks.size(); i_track++ )
4879     {
4880         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
4881         {
4882             tracks[i_track]->b_search_keyframe = VLC_TRUE;
4883             i_track_skipping++;
4884         }
4885         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
4886     }
4887
4888
4889     while( i_track_skipping > 0 )
4890     {
4891         if( BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
4892         {
4893             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
4894
4895             return;
4896         }
4897
4898         for( i_track = 0; i_track < tracks.size(); i_track++ )
4899         {
4900             if( tracks[i_track]->i_number == block->TrackNum() )
4901             {
4902                 break;
4903             }
4904         }
4905
4906         sys.i_pts = sys.i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
4907
4908         if( i_track < tracks.size() )
4909         {
4910             if( sys.i_pts >= sys.i_start_pts )
4911             {
4912                 BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
4913                 i_track_skipping = 0;
4914             }
4915             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
4916             {
4917                 if( i_block_ref1 == -1 && tracks[i_track]->b_search_keyframe )
4918                 {
4919                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
4920                     i_track_skipping--;
4921                 }
4922                 if( !tracks[i_track]->b_search_keyframe )
4923                 {
4924                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
4925                 }
4926             }
4927         }
4928
4929         delete block;
4930     }
4931 }
4932
4933 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
4934 {
4935     demux_sys_t *p_sys = demuxer.p_sys;
4936     size_t i;
4937
4938     // find the actual time for an ordered edition
4939     if ( psz_chapter == NULL )
4940     {
4941         if ( Edition() && Edition()->b_ordered )
4942         {
4943             /* 1st, we need to know in which chapter we are */
4944             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date );
4945         }
4946     }
4947
4948     if ( psz_chapter != NULL )
4949     {
4950         psz_current_chapter = psz_chapter;
4951         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
4952         if ( psz_chapter->i_seekpoint_num > 0 )
4953         {
4954             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
4955             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
4956             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
4957         }
4958     }
4959
4960     // find the best matching segment
4961     for ( i=0; i<linked_segments.size(); i++ )
4962     {
4963         if ( i_date < linked_segments[i]->i_start_time )
4964             break;
4965     }
4966
4967     if ( i > 0 )
4968         i--;
4969
4970     if ( i_current_segment != i  )
4971     {
4972         linked_segments[i_current_segment]->UnSelect();
4973         linked_segments[i]->Select( i_date );
4974         i_current_segment = i;
4975     }
4976
4977     linked_segments[i]->Seek( i_date, i_time_offset );
4978 }
4979
4980 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
4981 {
4982     size_t i;
4983
4984     uint32 codec_time = uint32(-1);
4985     for( i = 0; i < command.ListSize(); i++ )
4986     {
4987         const EbmlElement *k = command[i];
4988
4989         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
4990         {
4991             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
4992             break;
4993         }
4994     }
4995
4996     for( i = 0; i < command.ListSize(); i++ )
4997     {
4998         const EbmlElement *k = command[i];
4999
5000         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5001         {
5002             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5003             switch ( codec_time )
5004             {
5005             case 0:
5006                 during_cmds.push_back( *p_data );
5007                 break;
5008             case 1:
5009                 enter_cmds.push_back( *p_data );
5010                 break;
5011             case 2:
5012                 leave_cmds.push_back( *p_data );
5013                 break;
5014             default:
5015                 delete p_data;
5016             }
5017         }
5018     }
5019 }
5020
5021 bool chapter_item_c::Enter( bool b_do_subs )
5022 {
5023     bool f_result = false;
5024     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5025     while ( index != codecs.end() )
5026     {
5027         f_result |= (*index)->Enter();
5028         index++;
5029     }
5030
5031     if ( b_do_subs )
5032     {
5033         // sub chapters
5034         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5035         while ( index_ != sub_chapters.end() )
5036         {
5037             f_result |= (*index_)->Enter( true );
5038             index_++;
5039         }
5040     }
5041     return f_result;
5042 }
5043
5044 bool chapter_item_c::Leave( bool b_do_subs )
5045 {
5046     bool f_result = false;
5047     b_is_leaving = true;
5048     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5049     while ( index != codecs.end() )
5050     {
5051         f_result |= (*index)->Leave();
5052         index++;
5053     }
5054
5055     if ( b_do_subs )
5056     {
5057         // sub chapters
5058         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5059         while ( index_ != sub_chapters.end() )
5060         {
5061             f_result |= (*index_)->Leave( true );
5062             index_++;
5063         }
5064     }
5065     b_is_leaving = false;
5066     return f_result;
5067 }
5068
5069 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item )
5070 {
5071     chapter_item_c *p_common_parent = p_item;
5072
5073     // leave, up to a common parent
5074     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5075     {
5076         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5077             return true;
5078         p_common_parent = p_common_parent->psz_parent;
5079     }
5080
5081     // enter from the parent to <this>
5082     if ( p_common_parent != NULL )
5083     {
5084         do
5085         {
5086             if ( p_common_parent == this )
5087                 return Enter( true );
5088
5089             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5090             {
5091                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5092                 {
5093                     p_common_parent = p_common_parent->sub_chapters[i];
5094                     if ( p_common_parent != this )
5095                         if ( p_common_parent->Enter( false ) )
5096                             return true;
5097
5098                     break;
5099                 }
5100             }
5101         } while ( 1 );
5102     }
5103
5104     return Enter( true );
5105 }
5106
5107 bool dvd_chapter_codec_c::Enter()
5108 {
5109     bool f_result = false;
5110     std::vector<KaxChapterProcessData>::iterator index = enter_cmds.begin();
5111     while ( index != enter_cmds.end() )
5112     {
5113         if ( (*index).GetSize() )
5114         {
5115             binary *p_data = (*index).GetBuffer();
5116             size_t i_size = *p_data++;
5117             // avoid reading too much from the buffer
5118             i_size = min( i_size, ((*index).GetSize() - 1) >> 3 );
5119             for ( ; i_size > 0; i_size--, p_data += 8 )
5120             {
5121                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5122                 f_result |= interpretor.Interpret( p_data );
5123             }
5124         }
5125         index++;
5126     }
5127     return f_result;
5128 }
5129
5130 bool dvd_chapter_codec_c::Leave()
5131 {
5132     bool f_result = false;
5133     std::vector<KaxChapterProcessData>::iterator index = leave_cmds.begin();
5134     while ( index != leave_cmds.end() )
5135     {
5136         if ( (*index).GetSize() )
5137         {
5138             binary *p_data = (*index).GetBuffer();
5139             size_t i_size = *p_data++;
5140             // avoid reading too much from the buffer
5141             i_size = min( i_size, ((*index).GetSize() - 1) >> 3 );
5142             for ( ; i_size > 0; i_size--, p_data += 8 )
5143             {
5144                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5145                 f_result |= interpretor.Interpret( p_data );
5146             }
5147         }
5148         index++;
5149     }
5150     return f_result;
5151 }
5152
5153 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5154 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5155 {
5156     if ( i_size != 8 )
5157         return false;
5158
5159     virtual_segment_c *p_segment;
5160     chapter_item_c *p_chapter;
5161     bool f_result = false;
5162     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5163
5164     // handle register tests if there are some
5165     if ( (i_command & 0xF0) != 0 )
5166     {
5167         bool b_test_positive = (i_command & CMD_DVD_IF_NOT) == 0;
5168         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5169         uint8 i_test = i_command & 0x70;
5170         uint16 i_value;
5171
5172         if ( b_test_value )
5173             i_value = ( p_command[4] << 8 ) + p_command[5];
5174         else
5175             i_value = GetPRM( p_command[7] );
5176
5177         switch ( i_test )
5178         {
5179         case CMD_DVD_IF_GPREG_EQUAL:
5180             // if equals
5181             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5182             if (!( GetPRM( p_command[3] ) == i_value ))
5183             {
5184                 b_test_positive = !b_test_positive;
5185             }
5186             break;
5187         case CMD_DVD_IF_GPREG_INF:
5188             // if inferior
5189             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5190             if (!( GetPRM( p_command[3] ) < i_value ))
5191             {
5192                 b_test_positive = !b_test_positive;
5193             }
5194             break;
5195         case CMD_DVD_IF_GPREG_AND:
5196             // if logical and
5197             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5198             if (!( GetPRM( p_command[3] ) & i_value ))
5199             {
5200                 b_test_positive = !b_test_positive;
5201             }
5202             break;
5203         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5204             // if superior or equal
5205             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5206             if (!( GetPRM( p_command[3] ) >= i_value ))
5207             {
5208                 b_test_positive = !b_test_positive;
5209             }
5210             break;
5211         }
5212
5213         if ( !b_test_positive )
5214             return false;
5215     }
5216
5217     // strip the test command
5218     i_command &= 0xFF0F;
5219
5220     switch ( i_command )
5221     {
5222     case CMD_DVD_NOP:
5223     case CMD_DVD_NOP2:
5224         {
5225             msg_Dbg( &sys.demuxer, "NOP" );
5226             break;
5227         }
5228     case CMD_DVD_BREAK:
5229         {
5230             msg_Dbg( &sys.demuxer, "Break" );
5231             // TODO
5232             break;
5233         }
5234     case CMD_DVD_JUMP_TT:
5235         {
5236             uint8 i_title = p_command[5];
5237             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5238
5239             // find in the ChapProcessPrivate matching this Title level
5240             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5241             if ( p_chapter != NULL )
5242             {
5243                 // if the segment is not part of the current segment, select the new one
5244                 if ( p_segment != sys.p_current_segment )
5245                 {
5246                     sys.PreparePlayback( p_segment );
5247                 }
5248
5249                 // jump to the location in the found segment
5250                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, NULL );
5251                 p_chapter->Enter( true );
5252
5253                 f_result = true;
5254             }
5255
5256             break;
5257         }
5258     case CMD_DVD_CALLSS_VTSM1:
5259         {
5260             msg_Dbg( &sys.demuxer, "CallSS VTSM" );
5261             switch( (p_command[6] & 0xC0) >> 6 ) {
5262                 case 0:
5263                     switch ( p_command[5] )
5264                     {
5265                     case 0x00:
5266                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[5]);
5267                         break;
5268                     case 0x82:
5269                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[5]);
5270                         break;
5271                     case 0x83:
5272                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[5]);
5273                         break;
5274                     case 0x84:
5275                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[5]);
5276                         break;
5277                     case 0x85:
5278                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[5]);
5279                         break;
5280                     case 0x86:
5281                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[5]);
5282                         break;
5283                     case 0x87:
5284                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[5]);
5285                         break;
5286                     default:
5287                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[5]);
5288                         break;
5289                     }
5290                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_command[5], 1, p_segment );
5291                     if ( p_chapter != NULL )
5292                     {
5293                         // if the segment is not part of the current segment, select the new one
5294                         if ( p_segment != sys.p_current_segment )
5295                         {
5296                             sys.PreparePlayback( p_segment );
5297                         }
5298
5299                         p_chapter->Enter( true );
5300
5301                         // jump to the location in the found segment
5302                         p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5303                         f_result = true;
5304                     }
5305                 break;
5306                 case 1:
5307                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
5308                 break;
5309                 case 2:
5310                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
5311                 break;
5312                 case 3:
5313                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[3] << 8) + p_command[4], p_command[5]);
5314                 break;
5315             }
5316             break;
5317         }
5318     case CMD_DVD_SET_GPRMMD:
5319         {
5320             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5321
5322             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5323                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5324             break;
5325         }
5326     case CMD_DVD_LINKPGCN:
5327         {
5328             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5329
5330             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5331             // TODO
5332             break;
5333         }
5334     case CMD_DVD_LINKCN:
5335         {
5336             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", (p_command[6] << 8) + p_command[7] );
5337             // TODO
5338             f_result = true;
5339             break;
5340         }
5341     case CMD_DVD_GOTO_LINE:
5342         {
5343             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5344             // TODO
5345             break;
5346         }
5347     default:
5348         {
5349             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5350                      ,p_command[0]
5351                      ,p_command[1]
5352                      ,p_command[2]
5353                      ,p_command[3]
5354                      ,p_command[4]
5355                      ,p_command[5]
5356                      ,p_command[6]
5357                      ,p_command[7]);
5358             break;
5359         }
5360     }
5361
5362     return f_result;
5363 }
5364
5365 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5366 {
5367     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 4 )
5368         return false;
5369
5370     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
5371         return false;
5372
5373     uint16 i_gtitle = (data.m_private_data.GetBuffer()[1] << 8 ) + data.m_private_data.GetBuffer()[2];
5374     uint8 i_title = *(uint8*)p_cookie;
5375
5376     return (i_gtitle == i_title);
5377 }
5378
5379 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5380 {
5381     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 7 )
5382         return false;
5383
5384     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
5385         return false;
5386
5387     uint8 i_pgc_type = data.m_private_data.GetBuffer()[3];
5388     uint8 i_pgc = *(uint8*)p_cookie;
5389
5390     return (i_pgc_type == i_pgc);
5391 }
5392
5393 bool matroska_script_codec_c::Enter()
5394 {
5395     bool f_result = false;
5396     std::vector<KaxChapterProcessData>::iterator index = enter_cmds.begin();
5397     while ( index != enter_cmds.end() )
5398     {
5399         if ( (*index).GetSize() )
5400         {
5401             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
5402             f_result |= interpretor.Interpret( (*index).GetBuffer(), (*index).GetSize() );
5403         }
5404         index++;
5405     }
5406     return f_result;
5407 }
5408
5409 bool matroska_script_codec_c::Leave()
5410 {
5411     bool f_result = false;
5412     std::vector<KaxChapterProcessData>::iterator index = leave_cmds.begin();
5413     while ( index != leave_cmds.end() )
5414     {
5415         if ( (*index).GetSize() )
5416         {
5417             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
5418             f_result |= interpretor.Interpret( (*index).GetBuffer(), (*index).GetSize() );
5419         }
5420         index++;
5421     }
5422     return f_result;
5423 }
5424
5425 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
5426 //  for a description of existing commands
5427 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5428 {
5429     bool b_result = false;
5430
5431     char *psz_str = (char*) malloc( i_size + 1 );
5432     memcpy( psz_str, p_command, i_size );
5433     psz_str[ i_size ] = '\0';
5434
5435     std::string sz_command = psz_str;
5436     free( psz_str );
5437
5438     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
5439
5440     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
5441     {
5442         size_t i,j;
5443
5444         // find the (
5445         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
5446         {
5447             if ( sz_command[i] == '(' )
5448             {
5449                 i++;
5450                 break;
5451             }
5452         }
5453         // find the )
5454         for ( j=i; j<sz_command.size(); j++)
5455         {
5456             if ( sz_command[j] == ')' )
5457             {
5458                 i--;
5459                 break;
5460             }
5461         }
5462
5463         std::string st = sz_command.substr( i+1, j-i-1 );
5464         int64_t i_chapter_uid = atoi( st.c_str() );
5465
5466         virtual_segment_c *p_segment;
5467         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
5468
5469         if ( p_chapter == NULL )
5470             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
5471         else
5472         {
5473             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
5474                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5475             b_result = true;
5476         }
5477     }
5478
5479     return b_result;
5480 }