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

   1 /*****************************************************************************
   2  * mkv.cpp : matroska demuxer
   3  *****************************************************************************
   4  * Copyright (C) 2003-2004 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
   8  *          Steve Lhomme <steve.lhomme@free.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28 #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
  37 #include <vlc_codecs.h>               /* BITMAPINFOHEADER, WAVEFORMATEX */
  38 #include "iso_lang.h"
  39 #include "vlc_meta.h"
  40 #include <vlc_charset.h>
  41 #include <vlc_input.h>
  42 #include <vlc_demux.h>
  43
  44 #include <iostream>
  45 #include <cassert>
  46 #include <typeinfo>
  47 #include <string>
  48 #include <vector>
  49 #include <algorithm>
  50
  51 #ifdef HAVE_DIRENT_H
  52 #   include <dirent.h>
  53 #endif
  54
  55 /* libebml and matroska */
  56 #include "ebml/EbmlHead.h"
  57 #include "ebml/EbmlSubHead.h"
  58 #include "ebml/EbmlStream.h"
  59 #include "ebml/EbmlContexts.h"
  60 #include "ebml/EbmlVoid.h"
  61 #include "ebml/EbmlVersion.h"
  62 #include "ebml/StdIOCallback.h"
  63
  64 #include "matroska/KaxAttachments.h"
  65 #include "matroska/KaxBlock.h"
  66 #include "matroska/KaxBlockData.h"
  67 #include "matroska/KaxChapters.h"
  68 #include "matroska/KaxCluster.h"
  69 #include "matroska/KaxClusterData.h"
  70 #include "matroska/KaxContexts.h"
  71 #include "matroska/KaxCues.h"
  72 #include "matroska/KaxCuesData.h"
  73 #include "matroska/KaxInfo.h"
  74 #include "matroska/KaxInfoData.h"
  75 #include "matroska/KaxSeekHead.h"
  76 #include "matroska/KaxSegment.h"
  77 #include "matroska/KaxTag.h"
  78 #include "matroska/KaxTags.h"
  79 #include "matroska/KaxTagMulti.h"
  80 #include "matroska/KaxTracks.h"
  81 #include "matroska/KaxTrackAudio.h"
  82 #include "matroska/KaxTrackVideo.h"
  83 #include "matroska/KaxTrackEntryData.h"
  84 #include "matroska/KaxContentEncoding.h"
  85 #include "matroska/KaxVersion.h"
  86
  87 #include "ebml/StdIOCallback.h"
  88
  89 #if LIBMATROSKA_VERSION < 0x000706
  90 START_LIBMATROSKA_NAMESPACE
  91 extern const EbmlSemanticContext MATROSKA_DLL_API KaxMatroska_Context;
  92 END_LIBMATROSKA_NAMESPACE
  93 #endif
  94
  95 #include "vlc_keys.h"
  96
  97 extern "C" {
  98    #include "mp4/libmp4.h"
  99 }
 100 #ifdef HAVE_ZLIB_H
 101 #   include <zlib.h>
 102 #endif
 103
 104 #define MATROSKA_COMPRESSION_NONE  -1
 105 #define MATROSKA_COMPRESSION_ZLIB   0
 106 #define MATROSKA_COMPRESSION_BLIB   1
 107 #define MATROSKA_COMPRESSION_LZOX   2
 108 #define MATROSKA_COMPRESSION_HEADER 3
 109
 110 #define MKVD_TIMECODESCALE 1000000
 111
 112 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 113 #undef ATTRIBUTE_PACKED
 114 #undef PRAGMA_PACK_BEGIN
 115 #undef PRAGMA_PACK_END
 116
 117 #if defined(__GNUC__)
 118 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
 119 #define ATTRIBUTE_PACKED __attribute__ ((packed))
 120 #define PRAGMA_PACK 0
 121 #endif
 122 #endif
 123
 124 #if !defined(ATTRIBUTE_PACKED)
 125 #define ATTRIBUTE_PACKED
 126 #define PRAGMA_PACK 1
 127 #endif
 128
 129 #if PRAGMA_PACK
 130 #pragma pack(1)
 131 #endif
 132
 133 /*************************************
 134 *  taken from libdvdnav / libdvdread
 135 **************************************/
 136
 137 /**
 138  * DVD Time Information.
 139  */
 140 typedef struct {
 141   uint8_t hour;
 142   uint8_t minute;
 143   uint8_t second;
 144   uint8_t frame_u; /* The two high bits are the frame rate. */
 145 } ATTRIBUTE_PACKED dvd_time_t;
 146
 147 /**
 148  * User Operations.
 149  */
 150 typedef struct {
 151 #ifdef WORDS_BIGENDIAN
 152   unsigned char zero                           : 7; /* 25-31 */
 153   unsigned char video_pres_mode_change         : 1; /* 24 */
 154
 155   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 156   unsigned char angle_change                   : 1;
 157   unsigned char subpic_stream_change           : 1;
 158   unsigned char audio_stream_change            : 1;
 159   unsigned char pause_on                       : 1;
 160   unsigned char still_off                      : 1;
 161   unsigned char button_select_or_activate      : 1;
 162   unsigned char resume                         : 1; /* 16 */
 163
 164   unsigned char chapter_menu_call              : 1; /* 15 */
 165   unsigned char angle_menu_call                : 1;
 166   unsigned char audio_menu_call                : 1;
 167   unsigned char subpic_menu_call               : 1;
 168   unsigned char root_menu_call                 : 1;
 169   unsigned char title_menu_call                : 1;
 170   unsigned char backward_scan                  : 1;
 171   unsigned char forward_scan                   : 1; /* 8 */
 172
 173   unsigned char next_pg_search                 : 1; /* 7 */
 174   unsigned char prev_or_top_pg_search          : 1;
 175   unsigned char time_or_chapter_search         : 1;
 176   unsigned char go_up                          : 1;
 177   unsigned char stop                           : 1;
 178   unsigned char title_play                     : 1;
 179   unsigned char chapter_search_or_play         : 1;
 180   unsigned char title_or_time_play             : 1; /* 0 */
 181 #else
 182   unsigned char video_pres_mode_change         : 1; /* 24 */
 183   unsigned char zero                           : 7; /* 25-31 */
 184
 185   unsigned char resume                         : 1; /* 16 */
 186   unsigned char button_select_or_activate      : 1;
 187   unsigned char still_off                      : 1;
 188   unsigned char pause_on                       : 1;
 189   unsigned char audio_stream_change            : 1;
 190   unsigned char subpic_stream_change           : 1;
 191   unsigned char angle_change                   : 1;
 192   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
 193
 194   unsigned char forward_scan                   : 1; /* 8 */
 195   unsigned char backward_scan                  : 1;
 196   unsigned char title_menu_call                : 1;
 197   unsigned char root_menu_call                 : 1;
 198   unsigned char subpic_menu_call               : 1;
 199   unsigned char audio_menu_call                : 1;
 200   unsigned char angle_menu_call                : 1;
 201   unsigned char chapter_menu_call              : 1; /* 15 */
 202
 203   unsigned char title_or_time_play             : 1; /* 0 */
 204   unsigned char chapter_search_or_play         : 1;
 205   unsigned char title_play                     : 1;
 206   unsigned char stop                           : 1;
 207   unsigned char go_up                          : 1;
 208   unsigned char time_or_chapter_search         : 1;
 209   unsigned char prev_or_top_pg_search          : 1;
 210   unsigned char next_pg_search                 : 1; /* 7 */
 211 #endif
 212 } ATTRIBUTE_PACKED user_ops_t;
 213
 214 /**
 215  * Type to store per-command data.
 216  */
 217 typedef struct {
 218   uint8_t bytes[8];
 219 } ATTRIBUTE_PACKED vm_cmd_t;
 220 #define COMMAND_DATA_SIZE 8
 221
 222 /**
 223  * PCI General Information
 224  */
 225 typedef struct {
 226   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
 227   uint16_t vobu_cat;        /**< 'category' of vobu */
 228   uint16_t zero1;           /**< reserved */
 229   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
 230   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
 231   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
 232   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
 233   dvd_time_t e_eltm;        /**< Cell elapsed time */
 234   char vobu_isrc[32];
 235 } ATTRIBUTE_PACKED pci_gi_t;
 236
 237 /**
 238  * Non Seamless Angle Information
 239  */
 240 typedef struct {
 241   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
 242 } ATTRIBUTE_PACKED nsml_agli_t;
 243
 244 /**
 245  * Highlight General Information
 246  *
 247  * For btngrX_dsp_ty the bits have the following meaning:
 248  * 000b: normal 4/3 only buttons
 249  * XX1b: wide (16/9) buttons
 250  * X1Xb: letterbox buttons
 251  * 1XXb: pan&scan buttons
 252  */
 253 typedef struct {
 254   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
 255   uint32_t hli_s_ptm;              /**< start ptm of hli */
 256   uint32_t hli_e_ptm;              /**< end ptm of hli */
 257   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
 258 #ifdef WORDS_BIGENDIAN
 259   unsigned char zero1 : 2;          /**< reserved */
 260   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
 261   unsigned char zero2 : 1;          /**< reserved */
 262   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
 263   unsigned char zero3 : 1;          /**< reserved */
 264   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
 265   unsigned char zero4 : 1;          /**< reserved */
 266   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
 267 #else
 268   unsigned char btngr1_dsp_ty : 3;
 269   unsigned char zero2 : 1;
 270   unsigned char btngr_ns : 2;
 271   unsigned char zero1 : 2;
 272   unsigned char btngr3_dsp_ty : 3;
 273   unsigned char zero4 : 1;
 274   unsigned char btngr2_dsp_ty : 3;
 275   unsigned char zero3 : 1;
 276 #endif
 277   uint8_t btn_ofn;     /**< button offset number range 0-255 */
 278   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
 279   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
 280   uint8_t zero5;       /**< reserved */
 281   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
 282   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
 283 } ATTRIBUTE_PACKED hl_gi_t;
 284
 285
 286 /**
 287  * Button Color Information Table
 288  * Each entry beeing a 32bit word that contains the color indexs and alpha
 289  * values to use.  They are all represented by 4 bit number and stored
 290  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
 291  * that the indexes reference is in the PGC.
 292  * \todo split the uint32_t into a struct
 293  */
 294 typedef struct {
 295   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
 296 } ATTRIBUTE_PACKED btn_colit_t;
 297
 298 /**
 299  * Button Information
 300  *
 301  * NOTE: I've had to change the structure from the disk layout to get
 302  * the packing to work with Sun's Forte C compiler.
 303  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
 304  */
 305 typedef struct {
 306 #ifdef WORDS_BIGENDIAN
 307   uint32        btn_coln         : 2;  /**< button color number */
 308   uint32        x_start          : 10; /**< x start offset within the overlay */
 309   uint32        zero1            : 2;  /**< reserved */
 310   uint32        x_end            : 10; /**< x end offset within the overlay */
 311
 312   uint32        zero3            : 2;  /**< reserved */
 313   uint32        up               : 6;  /**< button index when pressing up */
 314
 315   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
 316   uint32        y_start          : 10; /**< y start offset within the overlay */
 317   uint32        zero2            : 2;  /**< reserved */
 318   uint32        y_end            : 10; /**< y end offset within the overlay */
 319
 320   uint32        zero4            : 2;  /**< reserved */
 321   uint32        down             : 6;  /**< button index when pressing down */
 322   unsigned char zero5            : 2;  /**< reserved */
 323   unsigned char left             : 6;  /**< button index when pressing left */
 324   unsigned char zero6            : 2;  /**< reserved */
 325   unsigned char right            : 6;  /**< button index when pressing right */
 326 #else
 327   uint32        x_end            : 10;
 328   uint32        zero1            : 2;
 329   uint32        x_start          : 10;
 330   uint32        btn_coln         : 2;
 331
 332   uint32        up               : 6;
 333   uint32        zero3            : 2;
 334
 335   uint32        y_end            : 10;
 336   uint32        zero2            : 2;
 337   uint32        y_start          : 10;
 338   uint32        auto_action_mode : 2;
 339
 340   uint32        down             : 6;
 341   uint32        zero4            : 2;
 342   unsigned char left             : 6;
 343   unsigned char zero5            : 2;
 344   unsigned char right            : 6;
 345   unsigned char zero6            : 2;
 346 #endif
 347   vm_cmd_t cmd;
 348 } ATTRIBUTE_PACKED btni_t;
 349
 350 /**
 351  * Highlight Information
 352  */
 353 typedef struct {
 354   hl_gi_t     hl_gi;
 355   btn_colit_t btn_colit;
 356   btni_t      btnit[36];
 357 } ATTRIBUTE_PACKED hli_t;
 358
 359 /**
 360  * PCI packet
 361  */
 362 typedef struct {
 363   pci_gi_t    pci_gi;
 364   nsml_agli_t nsml_agli;
 365   hli_t       hli;
 366   uint8_t     zero1[189];
 367 } ATTRIBUTE_PACKED pci_t;
 368
 369
 370 #if PRAGMA_PACK
 371 #pragma pack()
 372 #endif
 373 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 374
 375
 376 /**
 377  * What's between a directory and a filename?
 378  */
 379 #if defined( WIN32 )
 380     #define DIRECTORY_SEPARATOR '\\'
 381 #else
 382     #define DIRECTORY_SEPARATOR '/'
 383 #endif
 384
 385 using namespace LIBMATROSKA_NAMESPACE;
 386 using namespace std;
 387
 388 /*****************************************************************************
 389  * Module descriptor
 390  *****************************************************************************/
 391 static int  Open ( vlc_object_t * );
 392 static void Close( vlc_object_t * );
 393
 394 vlc_module_begin();
 395     set_shortname( "Matroska" );
 396     set_description( _("Matroska stream demuxer" ) );
 397     set_capability( "demux2", 50 );
 398     set_callbacks( Open, Close );
 399     set_category( CAT_INPUT );
 400     set_subcategory( SUBCAT_INPUT_DEMUX );
 401
 402     add_bool( "mkv-use-ordered-chapters", 1, NULL,
 403             N_("Ordered chapters"),
 404             N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
 405
 406     add_bool( "mkv-use-chapter-codec", 1, NULL,
 407             N_("Chapter codecs"),
 408             N_("Use chapter codecs found in the segment."), VLC_TRUE );
 409
 410     add_bool( "mkv-preload-local-dir", 1, NULL,
 411             N_("Preload Directory"),
 412             N_("Preload matroska files from the same family in the same directory (not good for broken files)."), VLC_TRUE );
 413
 414     add_bool( "mkv-seek-percent", 0, NULL,
 415             N_("Seek based on percent not time"),
 416             N_("Seek based on percent not time."), VLC_TRUE );
 417
 418     add_bool( "mkv-use-dummy", 0, NULL,
 419             N_("Dummy Elements"),
 420             N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
 421
 422     add_shortcut( "mka" );
 423     add_shortcut( "mkv" );
 424 vlc_module_end();
 425
 426 /*****************************************************************************
 427  * Local prototypes
 428  *****************************************************************************/
 429 #ifdef HAVE_ZLIB_H
 430 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
 431     int result, dstsize, n;
 432     unsigned char *dst;
 433     block_t *p_block;
 434     z_stream d_stream;
 435
 436     d_stream.zalloc = (alloc_func)0;
 437     d_stream.zfree = (free_func)0;
 438     d_stream.opaque = (voidpf)0;
 439     result = inflateInit(&d_stream);
 440     if( result != Z_OK )
 441     {
 442         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
 443         return NULL;
 444     }
 445
 446     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
 447     d_stream.avail_in = p_in_block->i_buffer;
 448     n = 0;
 449     p_block = block_New( p_this, 0 );
 450     dst = NULL;
 451     do
 452     {
 453         n++;
 454         p_block = block_Realloc( p_block, 0, n * 1000 );
 455         dst = (unsigned char *)p_block->p_buffer;
 456         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
 457         d_stream.avail_out = 1000;
 458         result = inflate(&d_stream, Z_NO_FLUSH);
 459         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
 460         {
 461             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
 462             return NULL;
 463         }
 464     }
 465     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
 466            ( result != Z_STREAM_END ) );
 467
 468     dstsize = d_stream.total_out;
 469     inflateEnd( &d_stream );
 470
 471     p_block = block_Realloc( p_block, 0, dstsize );
 472     p_block->i_buffer = dstsize;
 473     block_Release( p_in_block );
 474
 475     return p_block;
 476 }
 477 #endif
 478
 479 /**
 480  * Helper function to print the mkv parse tree
 481  */
 482 static void MkvTree( demux_t & demuxer, int i_level, const char *psz_format, ... )
 483 {
 484     va_list args;
 485     if( i_level > 9 )
 486     {
 487         msg_Err( &demuxer, "too deep tree" );
 488         return;
 489     }
 490     va_start( args, psz_format );
 491     static const char psz_foo[] = "|   |   |   |   |   |   |   |   |   |";
 492     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
 493     strncpy( psz_foo2, psz_foo, 4 * i_level );
 494     psz_foo2[ 4 * i_level ] = '+';
 495     psz_foo2[ 4 * i_level + 1 ] = ' ';
 496     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
 497     __msg_GenericVa( VLC_OBJECT(&demuxer), MSG_QUEUE_NORMAL, VLC_MSG_DBG, "mkv", psz_foo2, args );
 498     free( psz_foo2 );
 499     va_end( args );
 500 }
 501
 502 /*****************************************************************************
 503  * Stream managment
 504  *****************************************************************************/
 505 class vlc_stream_io_callback: public IOCallback
 506 {
 507   private:
 508     stream_t       *s;
 509     vlc_bool_t     mb_eof;
 510     vlc_bool_t     b_owner;
 511
 512   public:
 513     vlc_stream_io_callback( stream_t *, vlc_bool_t );
 514
 515     virtual ~vlc_stream_io_callback()
 516     {
 517         if( b_owner )
 518             stream_Delete( s );
 519     }
 520
 521     virtual uint32   read            ( void *p_buffer, size_t i_size);
 522     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
 523     virtual size_t   write           ( const void *p_buffer, size_t i_size);
 524     virtual uint64   getFilePointer  ( void );
 525     virtual void     close           ( void );
 526 };
 527
 528 /*****************************************************************************
 529  * Ebml Stream parser
 530  *****************************************************************************/
 531 class EbmlParser
 532 {
 533   public:
 534     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
 535     virtual ~EbmlParser( void );
 536
 537     void Up( void );
 538     void Down( void );
 539     void Reset( demux_t *p_demux );
 540     EbmlElement *Get( void );
 541     void        Keep( void );
 542     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
 543
 544     int GetLevel( void );
 545
 546   private:
 547     EbmlStream  *m_es;
 548     int         mi_level;
 549     EbmlElement *m_el[10];
 550     int64_t      mi_remain_size[10];
 551
 552     EbmlElement *m_got;
 553
 554     int         mi_user_level;
 555     vlc_bool_t  mb_keep;
 556     vlc_bool_t  mb_dummy;
 557 };
 558
 559
 560 /*****************************************************************************
 561  * Some functions to manipulate memory
 562  *****************************************************************************/
 563 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
 564 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
 565 {
 566     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
 567 }
 568
 569 /*****************************************************************************
 570  * definitions of structures and functions used by this plugins
 571  *****************************************************************************/
 572 typedef struct
 573 {
 574 //    ~mkv_track_t();
 575
 576     vlc_bool_t   b_default;
 577     vlc_bool_t   b_enabled;
 578     unsigned int i_number;
 579
 580     int          i_extra_data;
 581     uint8_t      *p_extra_data;
 582
 583     char         *psz_codec;
 584
 585     uint64_t     i_default_duration;
 586     float        f_timecodescale;
 587     mtime_t      i_last_dts;
 588
 589     /* video */
 590     es_format_t fmt;
 591     float       f_fps;
 592     es_out_id_t *p_es;
 593
 594     /* audio */
 595     unsigned int i_original_rate;
 596
 597     vlc_bool_t      b_inited;
 598     /* data to be send first */
 599     int             i_data_init;
 600     uint8_t         *p_data_init;
 601
 602     /* hack : it's for seek */
 603     vlc_bool_t      b_search_keyframe;
 604     vlc_bool_t      b_silent;
 605
 606     /* informative */
 607     const char   *psz_codec_name;
 608     const char   *psz_codec_settings;
 609     const char   *psz_codec_info_url;
 610     const char   *psz_codec_download_url;
 611
 612     /* encryption/compression */
 613     int                    i_compression_type;
 614     KaxContentCompSettings *p_compression_data;
 615
 616 } mkv_track_t;
 617
 618 typedef struct
 619 {
 620     int     i_track;
 621     int     i_block_number;
 622
 623     int64_t i_position;
 624     int64_t i_time;
 625
 626     vlc_bool_t b_key;
 627 } mkv_index_t;
 628
 629 class demux_sys_t;
 630
 631 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
 632 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
 633 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
 634 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
 635 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
 636 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
 637 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
 638
 639 class chapter_codec_cmds_c
 640 {
 641 public:
 642     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
 643     :p_private_data(NULL)
 644     ,i_codec_id( codec_id )
 645     ,sys( demuxer )
 646     {}
 647
 648     virtual ~chapter_codec_cmds_c()
 649     {
 650         delete p_private_data;
 651         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
 652         while ( indexe != enter_cmds.end() )
 653         {
 654             delete (*indexe);
 655             indexe++;
 656         }
 657         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
 658         while ( indexl != leave_cmds.end() )
 659         {
 660             delete (*indexl);
 661             indexl++;
 662         }
 663         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
 664         while ( indexd != during_cmds.end() )
 665         {
 666             delete (*indexd);
 667             indexd++;
 668         }
 669     }
 670
 671     void SetPrivate( const KaxChapterProcessPrivate & private_data )
 672     {
 673         p_private_data = new KaxChapterProcessPrivate( private_data );
 674     }
 675
 676     void AddCommand( const KaxChapterProcessCommand & command );
 677
 678     /// \return wether the codec has seeked in the files or not
 679     virtual bool Enter() { return false; }
 680     virtual bool Leave() { return false; }
 681     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
 682     virtual int16 GetTitleNumber() { return -1; }
 683
 684     KaxChapterProcessPrivate *p_private_data;
 685
 686 protected:
 687     std::vector<KaxChapterProcessData*> enter_cmds;
 688     std::vector<KaxChapterProcessData*> during_cmds;
 689     std::vector<KaxChapterProcessData*> leave_cmds;
 690
 691     int i_codec_id;
 692     demux_sys_t & sys;
 693 };
 694
 695 class dvd_command_interpretor_c
 696 {
 697 public:
 698     dvd_command_interpretor_c( demux_sys_t & demuxer )
 699     :sys( demuxer )
 700     {
 701         memset( p_PRMs, 0, sizeof(p_PRMs) );
 702         p_PRMs[ 0x80 + 1 ] = 15;
 703         p_PRMs[ 0x80 + 2 ] = 62;
 704         p_PRMs[ 0x80 + 3 ] = 1;
 705         p_PRMs[ 0x80 + 4 ] = 1;
 706         p_PRMs[ 0x80 + 7 ] = 1;
 707         p_PRMs[ 0x80 + 8 ] = 1;
 708         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
 709         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
 710     }
 711
 712     bool Interpret( const binary * p_command, size_t i_size = 8 );
 713
 714     uint16 GetPRM( size_t index ) const
 715     {
 716         if ( index < 256 )
 717             return p_PRMs[ index ];
 718         else return 0;
 719     }
 720
 721     uint16 GetGPRM( size_t index ) const
 722     {
 723         if ( index >= 0 && index < 16 )
 724             return p_PRMs[ index ];
 725         else return 0;
 726     }
 727
 728     uint16 GetSPRM( size_t index ) const
 729     {
 730         // 21,22,23 reserved for future use
 731         if ( index >= 0x80 && index < 0x95 )
 732             return p_PRMs[ index ];
 733         else return 0;
 734     }
 735
 736     bool SetPRM( size_t index, uint16 value )
 737     {
 738         if ( index >= 0 && index < 16 )
 739         {
 740             p_PRMs[ index ] = value;
 741             return true;
 742         }
 743         return false;
 744     }
 745
 746     bool SetGPRM( size_t index, uint16 value )
 747     {
 748         if ( index >= 0 && index < 16 )
 749         {
 750             p_PRMs[ index ] = value;
 751             return true;
 752         }
 753         return false;
 754     }
 755
 756     bool SetSPRM( size_t index, uint16 value )
 757     {
 758         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
 759         {
 760             p_PRMs[ index ] = value;
 761             return true;
 762         }
 763         return false;
 764     }
 765
 766 protected:
 767     std::string GetRegTypeName( bool b_value, uint16 value ) const
 768     {
 769         std::string result;
 770         char s_value[6], s_reg_value[6];
 771         sprintf( s_value, "%.5d", value );
 772
 773         if ( b_value )
 774         {
 775             result = "value (";
 776             result += s_value;
 777             result += ")";
 778         }
 779         else if ( value < 0x80 )
 780         {
 781             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 782             result = "GPreg[";
 783             result += s_value;
 784             result += "] (";
 785             result += s_reg_value;
 786             result += ")";
 787         }
 788         else
 789         {
 790             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
 791             result = "SPreg[";
 792             result += s_value;
 793             result += "] (";
 794             result += s_reg_value;
 795             result += ")";
 796         }
 797         return result;
 798     }
 799
 800     uint16       p_PRMs[256];
 801     demux_sys_t  & sys;
 802
 803     // DVD command IDs
 804
 805     // Tests
 806     // wether it's a comparison on the value or register
 807     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
 808     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
 809     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
 810     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
 811     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
 812     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
 813     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
 814     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
 815
 816     static const uint16 CMD_DVD_NOP                    = 0x0000;
 817     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
 818     static const uint16 CMD_DVD_BREAK                  = 0x0002;
 819     // Links
 820     static const uint16 CMD_DVD_NOP2                   = 0x2001;
 821     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
 822     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
 823     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
 824     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
 825     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
 826     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
 827     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
 828     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
 829     //
 830     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
 831     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
 832     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
 833     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
 834     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
 835     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
 836     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
 837     // Operations
 838     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
 839     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
 840     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
 841     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
 842     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
 843     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
 844
 845     // callbacks when browsing inside CodecPrivate
 846     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 847     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 848     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 849     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 850     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 851     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 852     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 853     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 854     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
 855 };
 856
 857 class dvd_chapter_codec_c : public chapter_codec_cmds_c
 858 {
 859 public:
 860     dvd_chapter_codec_c( demux_sys_t & sys )
 861     :chapter_codec_cmds_c( sys, 1 )
 862     {}
 863
 864     bool Enter();
 865     bool Leave();
 866     std::string GetCodecName( bool f_for_title = false ) const;
 867     int16 GetTitleNumber();
 868 };
 869
 870 class matroska_script_interpretor_c
 871 {
 872 public:
 873     matroska_script_interpretor_c( demux_sys_t & demuxer )
 874     :sys( demuxer )
 875     {}
 876
 877     bool Interpret( const binary * p_command, size_t i_size );
 878
 879     // DVD command IDs
 880     static const std::string CMD_MS_GOTO_AND_PLAY;
 881
 882 protected:
 883     demux_sys_t  & sys;
 884 };
 885
 886 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
 887
 888
 889 class matroska_script_codec_c : public chapter_codec_cmds_c
 890 {
 891 public:
 892     matroska_script_codec_c( demux_sys_t & sys )
 893     :chapter_codec_cmds_c( sys, 0 )
 894     ,interpretor( sys )
 895     {}
 896
 897     bool Enter();
 898     bool Leave();
 899
 900 protected:
 901     matroska_script_interpretor_c interpretor;
 902 };
 903
 904 class chapter_translation_c
 905 {
 906 public:
 907     chapter_translation_c()
 908         :p_translated(NULL)
 909     {}
 910
 911     ~chapter_translation_c()
 912     {
 913         delete p_translated;
 914     }
 915
 916     KaxChapterTranslateID  *p_translated;
 917     unsigned int           codec_id;
 918     std::vector<uint64_t>  editions;
 919 };
 920
 921 class chapter_item_c
 922 {
 923 public:
 924     chapter_item_c()
 925     :i_start_time(0)
 926     ,i_end_time(-1)
 927     ,i_user_start_time(-1)
 928     ,i_user_end_time(-1)
 929     ,i_seekpoint_num(-1)
 930     ,b_display_seekpoint(true)
 931     ,b_user_display(false)
 932     ,psz_parent(NULL)
 933     ,b_is_leaving(false)
 934     {}
 935
 936     virtual ~chapter_item_c()
 937     {
 938         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
 939         while ( index != codecs.end() )
 940         {
 941             delete (*index);
 942             index++;
 943         }
 944         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
 945         while ( index_ != sub_chapters.end() )
 946         {
 947             delete (*index_);
 948             index_++;
 949         }
 950     }
 951
 952     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
 953     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
 954     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
 955     void Append( const chapter_item_c & edition );
 956     chapter_item_c * FindChapter( int64_t i_find_uid );
 957     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
 958                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
 959                                     const void *p_cookie,
 960                                     size_t i_cookie_size );
 961     std::string                 GetCodecName( bool f_for_title = false ) const;
 962     bool                        ParentOf( const chapter_item_c & item ) const;
 963     int16                       GetTitleNumber( ) const;
 964
 965     int64_t                     i_start_time, i_end_time;
 966     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
 967     std::vector<chapter_item_c*> sub_chapters;
 968     int                         i_seekpoint_num;
 969     int64_t                     i_uid;
 970     bool                        b_display_seekpoint;
 971     bool                        b_user_display;
 972     std::string                 psz_name;
 973     chapter_item_c              *psz_parent;
 974     bool                        b_is_leaving;
 975
 976     std::vector<chapter_codec_cmds_c*> codecs;
 977
 978     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
 979     {
 980         return ( itemA->i_user_start_time < itemB->i_user_start_time || (itemA->i_user_start_time == itemB->i_user_start_time && itemA->i_user_end_time < itemB->i_user_end_time) );
 981     }
 982
 983     bool Enter( bool b_do_subchapters );
 984     bool Leave( bool b_do_subchapters );
 985     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
 986 };
 987
 988 class chapter_edition_c : public chapter_item_c
 989 {
 990 public:
 991     chapter_edition_c()
 992     :b_ordered(false)
 993     {}
 994
 995     void RefreshChapters( );
 996     mtime_t Duration() const;
 997     std::string GetMainName() const;
 998     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
 999
1000     bool                        b_ordered;
1001 };
1002
1003 class matroska_segment_c
1004 {
1005 public:
1006     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
1007         :segment(NULL)
1008         ,es(estream)
1009         ,i_timescale(MKVD_TIMECODESCALE)
1010         ,i_duration(-1)
1011         ,i_start_time(0)
1012         ,i_cues_position(-1)
1013         ,i_chapters_position(-1)
1014         ,i_tags_position(-1)
1015         ,cluster(NULL)
1016         ,i_block_pos(0)
1017         ,i_cluster_pos(0)
1018         ,i_start_pos(0)
1019         ,p_segment_uid(NULL)
1020         ,p_prev_segment_uid(NULL)
1021         ,p_next_segment_uid(NULL)
1022         ,b_cues(VLC_FALSE)
1023         ,i_index(0)
1024         ,i_index_max(1024)
1025         ,psz_muxing_application(NULL)
1026         ,psz_writing_application(NULL)
1027         ,psz_segment_filename(NULL)
1028         ,psz_title(NULL)
1029         ,psz_date_utc(NULL)
1030         ,i_default_edition(0)
1031         ,sys(demuxer)
1032         ,ep(NULL)
1033         ,b_preloaded(false)
1034     {
1035         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1036     }
1037
1038     virtual ~matroska_segment_c()
1039     {
1040         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1041         {
1042             if ( tracks[i_track]->p_compression_data )
1043             {
1044                 delete tracks[i_track]->p_compression_data;
1045             }
1046             es_format_Clean( &tracks[i_track]->fmt );
1047             if( tracks[i_track]->p_extra_data )
1048                 free( tracks[i_track]->p_extra_data );
1049             if( tracks[i_track]->psz_codec )
1050                 free( tracks[i_track]->psz_codec );
1051             delete tracks[i_track];
1052         }
1053
1054         if( psz_writing_application )
1055         {
1056             free( psz_writing_application );
1057         }
1058         if( psz_muxing_application )
1059         {
1060             free( psz_muxing_application );
1061         }
1062         if( psz_segment_filename )
1063         {
1064             free( psz_segment_filename );
1065         }
1066         if( psz_title )
1067         {
1068             free( psz_title );
1069         }
1070         if( psz_date_utc )
1071         {
1072             free( psz_date_utc );
1073         }
1074         if ( p_indexes )
1075             free( p_indexes );
1076
1077         delete ep;
1078         delete segment;
1079         delete p_segment_uid;
1080         delete p_prev_segment_uid;
1081         delete p_next_segment_uid;
1082
1083         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1084         while ( index != stored_editions.end() )
1085         {
1086             delete (*index);
1087             index++;
1088         }
1089         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1090         while ( indext != translations.end() )
1091         {
1092             delete (*indext);
1093             indext++;
1094         }
1095         std::vector<KaxSegmentFamily*>::iterator indexf = families.begin();
1096         while ( indexf != families.end() )
1097         {
1098             delete (*indexf);
1099             indexf++;
1100         }
1101     }
1102
1103     KaxSegment              *segment;
1104     EbmlStream              & es;
1105
1106     /* time scale */
1107     uint64_t                i_timescale;
1108
1109     /* duration of the segment */
1110     mtime_t                 i_duration;
1111     mtime_t                 i_start_time;
1112
1113     /* all tracks */
1114     std::vector<mkv_track_t*> tracks;
1115
1116     /* from seekhead */
1117     int64_t                 i_cues_position;
1118     int64_t                 i_chapters_position;
1119     int64_t                 i_tags_position;
1120
1121     KaxCluster              *cluster;
1122     uint64                  i_block_pos;
1123     uint64                  i_cluster_pos;
1124     int64_t                 i_start_pos;
1125     KaxSegmentUID           *p_segment_uid;
1126     KaxPrevUID              *p_prev_segment_uid;
1127     KaxNextUID              *p_next_segment_uid;
1128
1129     vlc_bool_t              b_cues;
1130     int                     i_index;
1131     int                     i_index_max;
1132     mkv_index_t             *p_indexes;
1133
1134     /* info */
1135     char                    *psz_muxing_application;
1136     char                    *psz_writing_application;
1137     char                    *psz_segment_filename;
1138     char                    *psz_title;
1139     char                    *psz_date_utc;
1140
1141     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1142     /* when you remove this variable the compiler issues an atomicity error */
1143     /* this variable only works when using std::vector<chapter_edition_c> */
1144     std::vector<chapter_edition_c*> stored_editions;
1145     int                             i_default_edition;
1146
1147     std::vector<chapter_translation_c*> translations;
1148     std::vector<KaxSegmentFamily*>  families;
1149
1150     demux_sys_t                    & sys;
1151     EbmlParser                     *ep;
1152     bool                           b_preloaded;
1153
1154     bool Preload( );
1155     bool PreloadFamily( const matroska_segment_c & segment );
1156     void ParseInfo( KaxInfo *info );
1157     void ParseChapters( KaxChapters *chapters );
1158     void ParseSeekHead( KaxSeekHead *seekhead );
1159     void ParseTracks( KaxTracks *tracks );
1160     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1161     void ParseTrackEntry( KaxTrackEntry *m );
1162     void ParseCluster( );
1163     void IndexAppendCluster( KaxCluster *cluster );
1164     void LoadCues( );
1165     void LoadTags( );
1166     void InformationCreate( );
1167     void Seek( mtime_t i_date, mtime_t i_time_offset );
1168 #if LIBMATROSKA_VERSION >= 0x000800
1169     int BlockGet( KaxBlock * &, KaxSimpleBlock * &, int64_t *, int64_t *, int64_t *);
1170 #else
1171     int BlockGet( KaxBlock * &, int64_t *, int64_t *, int64_t *);
1172 #endif
1173     bool Select( mtime_t i_start_time );
1174     void UnSelect( );
1175
1176     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1177 };
1178
1179 // class holding hard-linked segment together in the playback order
1180 class virtual_segment_c
1181 {
1182 public:
1183     virtual_segment_c( matroska_segment_c *p_segment )
1184         :p_editions(NULL)
1185         ,i_sys_title(0)
1186         ,i_current_segment(0)
1187         ,i_current_edition(-1)
1188         ,psz_current_chapter(NULL)
1189     {
1190         linked_segments.push_back( p_segment );
1191
1192         AppendUID( p_segment->p_segment_uid );
1193         AppendUID( p_segment->p_prev_segment_uid );
1194         AppendUID( p_segment->p_next_segment_uid );
1195     }
1196
1197     void Sort();
1198     size_t AddSegment( matroska_segment_c *p_segment );
1199     void PreloadLinked( );
1200     mtime_t Duration( ) const;
1201     void LoadCues( );
1202     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1203
1204     inline chapter_edition_c *Edition()
1205     {
1206         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1207             return (*p_editions)[i_current_edition];
1208         return NULL;
1209     }
1210
1211     matroska_segment_c * Segment() const
1212     {
1213         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1214             return NULL;
1215         return linked_segments[i_current_segment];
1216     }
1217
1218     inline chapter_item_c *CurrentChapter() {
1219         return psz_current_chapter;
1220     }
1221
1222     bool SelectNext()
1223     {
1224         if ( i_current_segment < linked_segments.size()-1 )
1225         {
1226             i_current_segment++;
1227             return true;
1228         }
1229         return false;
1230     }
1231
1232     bool FindUID( KaxSegmentUID & uid ) const
1233     {
1234         for ( size_t i=0; i<linked_uids.size(); i++ )
1235         {
1236             if ( linked_uids[i] == uid )
1237                 return true;
1238         }
1239         return false;
1240     }
1241
1242     bool UpdateCurrentToChapter( demux_t & demux );
1243     void PrepareChapters( );
1244
1245     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1246                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1247                                         const void *p_cookie,
1248                                         size_t i_cookie_size );
1249     chapter_item_c *FindChapter( int64_t i_find_uid );
1250
1251     std::vector<chapter_edition_c*>  *p_editions;
1252     int                              i_sys_title;
1253
1254 protected:
1255     std::vector<matroska_segment_c*> linked_segments;
1256     std::vector<KaxSegmentUID>       linked_uids;
1257     size_t                           i_current_segment;
1258
1259     int                              i_current_edition;
1260     chapter_item_c                   *psz_current_chapter;
1261
1262     void                             AppendUID( const EbmlBinary * UID );
1263 };
1264
1265 class matroska_stream_c
1266 {
1267 public:
1268     matroska_stream_c( demux_sys_t & demuxer )
1269         :p_in(NULL)
1270         ,p_es(NULL)
1271         ,sys(demuxer)
1272     {}
1273
1274     virtual ~matroska_stream_c()
1275     {
1276         delete p_in;
1277         delete p_es;
1278     }
1279
1280     IOCallback         *p_in;
1281     EbmlStream         *p_es;
1282
1283     std::vector<matroska_segment_c*> segments;
1284
1285     demux_sys_t                      & sys;
1286 };
1287
1288 typedef struct
1289 {
1290     VLC_COMMON_MEMBERS
1291
1292     demux_t        *p_demux;
1293     vlc_mutex_t     lock;
1294
1295     vlc_bool_t      b_moved;
1296     vlc_bool_t      b_clicked;
1297     vlc_bool_t      b_key;
1298
1299 } event_thread_t;
1300
1301 class demux_sys_t
1302 {
1303 public:
1304     demux_sys_t( demux_t & demux )
1305         :demuxer(demux)
1306         ,i_pts(0)
1307         ,i_start_pts(0)
1308         ,i_chapter_time(0)
1309         ,meta(NULL)
1310         ,i_current_title(0)
1311         ,p_current_segment(NULL)
1312         ,dvd_interpretor( *this )
1313         ,f_duration(-1.0)
1314         ,b_ui_hooked(false)
1315         ,p_input(NULL)
1316         ,b_pci_packet_set(false)
1317         ,p_ev(NULL)
1318     {
1319         vlc_mutex_init( &demuxer, &lock_demuxer );
1320     }
1321
1322     virtual ~demux_sys_t()
1323     {
1324         StopUiThread();
1325         size_t i;
1326         for ( i=0; i<streams.size(); i++ )
1327             delete streams[i];
1328         for ( i=0; i<opened_segments.size(); i++ )
1329             delete opened_segments[i];
1330         for ( i=0; i<used_segments.size(); i++ )
1331             delete used_segments[i];
1332         if( meta ) vlc_meta_Delete( meta );
1333
1334         while( titles.size() )
1335         { vlc_input_title_Delete( titles.back() ); titles.pop_back();}
1336
1337         vlc_mutex_destroy( &lock_demuxer );
1338     }
1339
1340     /* current data */
1341     demux_t                 & demuxer;
1342
1343     mtime_t                 i_pts;
1344     mtime_t                 i_start_pts;
1345     mtime_t                 i_chapter_time;
1346
1347     vlc_meta_t              *meta;
1348
1349     std::vector<input_title_t*>      titles; // matroska editions
1350     size_t                           i_current_title;
1351
1352     std::vector<matroska_stream_c*>  streams;
1353     std::vector<matroska_segment_c*> opened_segments;
1354     std::vector<virtual_segment_c*>  used_segments;
1355     virtual_segment_c                *p_current_segment;
1356
1357     dvd_command_interpretor_c        dvd_interpretor;
1358
1359     /* duration of the stream */
1360     float                   f_duration;
1361
1362     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1363     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1364                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1365                                         const void *p_cookie,
1366                                         size_t i_cookie_size,
1367                                         virtual_segment_c * & p_segment_found );
1368     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1369
1370     void PreloadFamily( const matroska_segment_c & of_segment );
1371     void PreloadLinked( matroska_segment_c *p_segment );
1372     bool PreparePlayback( virtual_segment_c *p_new_segment );
1373     matroska_stream_c *AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial = false );
1374     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1375
1376     void StartUiThread();
1377     void StopUiThread();
1378     bool b_ui_hooked;
1379     inline void SwapButtons();
1380
1381     /* for spu variables */
1382     input_thread_t *p_input;
1383     pci_t          pci_packet;
1384     bool           b_pci_packet_set;
1385     uint8_t        palette[4][4];
1386     vlc_mutex_t    lock_demuxer;
1387
1388     /* event */
1389     event_thread_t *p_ev;
1390     static int EventThread( vlc_object_t *p_this );
1391     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1392                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1393     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1394                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1395
1396
1397
1398 protected:
1399     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1400     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1401 };
1402
1403 static int  Demux  ( demux_t * );
1404 static int  Control( demux_t *, int, va_list );
1405 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1406
1407 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1408
1409 static inline char * ToUTF8( const UTFstring &u )
1410 {
1411     return strdup( u.GetUTF8().c_str() );
1412 }
1413
1414 /*****************************************************************************
1415  * Open: initializes matroska demux structures
1416  *****************************************************************************/
1417 static int Open( vlc_object_t * p_this )
1418 {
1419     demux_t            *p_demux = (demux_t*)p_this;
1420     demux_sys_t        *p_sys;
1421     matroska_stream_c  *p_stream;
1422     matroska_segment_c *p_segment;
1423     uint8_t            *p_peek;
1424     std::string        s_path, s_filename;
1425     vlc_stream_io_callback *p_io_callback;
1426     EbmlStream         *p_io_stream;
1427
1428     /* peek the begining */
1429     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1430
1431     /* is a valid file */
1432     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1433         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1434
1435     /* Set the demux function */
1436     p_demux->pf_demux   = Demux;
1437     p_demux->pf_control = Control;
1438     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1439
1440     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1441     p_io_stream = new EbmlStream( *p_io_callback );
1442
1443     if( p_io_stream == NULL )
1444     {
1445         msg_Err( p_demux, "failed to create EbmlStream" );
1446         delete p_io_callback;
1447         delete p_sys;
1448         return VLC_EGENERIC;
1449     }
1450
1451     p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_io_stream, true );
1452     if( p_stream == NULL )
1453     {
1454         msg_Err( p_demux, "cannot find KaxSegment" );
1455         goto error;
1456     }
1457     p_sys->streams.push_back( p_stream );
1458
1459     p_stream->p_in = p_io_callback;
1460     p_stream->p_es = p_io_stream;
1461
1462     for (size_t i=0; i<p_stream->segments.size(); i++)
1463     {
1464         p_stream->segments[i]->Preload();
1465     }
1466
1467     p_segment = p_stream->segments[0];
1468     if( p_segment->cluster != NULL )
1469     {
1470         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1471
1472         // reset the stream reading to the first cluster of the segment used
1473         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1474     }
1475
1476     if (config_GetInt( p_demux, "mkv-preload-local-dir" ))
1477     {
1478         /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1479         if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1480         {
1481             // assume it's a regular file
1482             // get the directory path
1483             s_path = p_demux->psz_path;
1484             if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1485             {
1486                 s_path = s_path.substr(0,s_path.length()-1);
1487             }
1488             else
1489             {
1490                 if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1491                 {
1492                     s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1493                 }
1494             }
1495
1496             DIR *p_src_dir = utf8_opendir(s_path.c_str());
1497
1498             if (p_src_dir != NULL)
1499             {
1500                 char *psz_file;
1501                 while ((psz_file = utf8_readdir(p_src_dir)) != NULL)
1502                 {
1503                     if (strlen(psz_file) > 4)
1504                     {
1505                         s_filename = s_path + DIRECTORY_SEPARATOR + psz_file;
1506
1507 #ifdef WIN32
1508                         if (!strcasecmp(s_filename.c_str(), p_demux->psz_path))
1509 #else
1510                         if (!s_filename.compare(p_demux->psz_path))
1511 #endif
1512                             continue; // don't reuse the original opened file
1513
1514 #if defined(__GNUC__) && (__GNUC__ < 3)
1515                         if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1516                             !s_filename.compare("mka", s_filename.length() - 3, 3))
1517 #else
1518                         if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1519                             !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1520 #endif
1521                         {
1522                             // test wether this file belongs to our family
1523                             stream_t *p_file_stream = stream_UrlNew( p_demux, s_filename.c_str());
1524                             if ( p_file_stream != NULL )
1525                             {
1526                                 vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
1527                                 EbmlStream *p_estream = new EbmlStream(*p_file_io);
1528
1529                                 p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_estream );
1530
1531                                 if ( p_stream == NULL )
1532                                 {
1533                                     msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1534                                     delete p_estream;
1535                                     delete p_file_io;
1536                                 }
1537                                 else
1538                                 {
1539                                     p_stream->p_in = p_file_io;
1540                                     p_stream->p_es = p_estream;
1541                                     p_sys->streams.push_back( p_stream );
1542                                 }
1543                             }
1544                             else
1545                             {
1546                                 msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1547                             }
1548                         }
1549                     }
1550                     free (psz_file);
1551                 }
1552                 closedir( p_src_dir );
1553             }
1554         }
1555
1556         p_sys->PreloadFamily( *p_segment );
1557     }
1558
1559     p_sys->PreloadLinked( p_segment );
1560
1561     if ( !p_sys->PreparePlayback( NULL ) )
1562     {
1563         msg_Err( p_demux, "cannot use the segment" );
1564         goto error;
1565     }
1566
1567     p_sys->StartUiThread();
1568
1569     return VLC_SUCCESS;
1570
1571 error:
1572     delete p_sys;
1573     return VLC_EGENERIC;
1574 }
1575
1576 /*****************************************************************************
1577  * Close: frees unused data
1578  *****************************************************************************/
1579 static void Close( vlc_object_t *p_this )
1580 {
1581     demux_t     *p_demux = (demux_t*)p_this;
1582     demux_sys_t *p_sys   = p_demux->p_sys;
1583
1584     delete p_sys;
1585 }
1586
1587 /*****************************************************************************
1588  * Control:
1589  *****************************************************************************/
1590 static int Control( demux_t *p_demux, int i_query, va_list args )
1591 {
1592     demux_sys_t        *p_sys = p_demux->p_sys;
1593     int64_t     *pi64;
1594     double      *pf, f;
1595     int         i_skp;
1596     size_t      i_idx;
1597
1598     vlc_meta_t *p_meta;
1599
1600     switch( i_query )
1601     {
1602         case DEMUX_GET_META:
1603             p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
1604             vlc_meta_Merge( p_meta, p_sys->meta );
1605             return VLC_SUCCESS;
1606
1607         case DEMUX_GET_LENGTH:
1608             pi64 = (int64_t*)va_arg( args, int64_t * );
1609             if( p_sys->f_duration > 0.0 )
1610             {
1611                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1612                 return VLC_SUCCESS;
1613             }
1614             return VLC_EGENERIC;
1615
1616         case DEMUX_GET_POSITION:
1617             pf = (double*)va_arg( args, double * );
1618             if ( p_sys->f_duration > 0.0 )
1619                 *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);
1620             return VLC_SUCCESS;
1621
1622         case DEMUX_SET_POSITION:
1623             f = (double)va_arg( args, double );
1624             Seek( p_demux, -1, f, NULL );
1625             return VLC_SUCCESS;
1626
1627         case DEMUX_GET_TIME:
1628             pi64 = (int64_t*)va_arg( args, int64_t * );
1629             *pi64 = p_sys->i_pts;
1630             return VLC_SUCCESS;
1631
1632         case DEMUX_GET_TITLE_INFO:
1633             if( p_sys->titles.size() )
1634             {
1635                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1636                 int *pi_int    = (int*)va_arg( args, int* );
1637
1638                 *pi_int = p_sys->titles.size();
1639                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1640
1641                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1642                 {
1643                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1644                 }
1645
1646                 return VLC_SUCCESS;
1647             }
1648             return VLC_EGENERIC;
1649
1650         case DEMUX_SET_TITLE:
1651             /* TODO handle editions as titles */
1652             i_idx = (int)va_arg( args, int );
1653             if( i_idx < p_sys->used_segments.size() )
1654             {
1655                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1656                 return VLC_SUCCESS;
1657             }
1658             return VLC_EGENERIC;
1659
1660         case DEMUX_SET_SEEKPOINT:
1661             i_skp = (int)va_arg( args, int );
1662
1663             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1664             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1665             {
1666                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1667                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1668                 p_demux->info.i_seekpoint = i_skp;
1669                 return VLC_SUCCESS;
1670             }
1671             return VLC_EGENERIC;
1672
1673         case DEMUX_SET_TIME:
1674         case DEMUX_GET_FPS:
1675         default:
1676             return VLC_EGENERIC;
1677     }
1678 }
1679
1680 #if LIBMATROSKA_VERSION >= 0x000800
1681 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, KaxSimpleBlock * & pp_simpleblock, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1682 #else
1683 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1684 #endif
1685 {
1686 #if LIBMATROSKA_VERSION >= 0x000800
1687     pp_simpleblock = NULL;
1688 #endif
1689     pp_block = NULL;
1690     *pi_ref1  = 0;
1691     *pi_ref2  = 0;
1692
1693     for( ;; )
1694     {
1695         EbmlElement *el = NULL;
1696         int         i_level;
1697
1698         if ( ep == NULL )
1699             return VLC_EGENERIC;
1700
1701 #if LIBMATROSKA_VERSION >= 0x000800
1702         if( pp_simpleblock != NULL || ((el = ep->Get()) == NULL && pp_block != NULL) )
1703 #else
1704         if( (el = ep->Get()) == NULL && pp_block != NULL )
1705 #endif
1706         {
1707             /* update the index */
1708 #define idx p_indexes[i_index - 1]
1709             if( i_index > 0 && idx.i_time == -1 )
1710             {
1711 #if LIBMATROSKA_VERSION >= 0x000800
1712                 if ( pp_simpleblock != NULL )
1713                     idx.i_time        = pp_simpleblock->GlobalTimecode() / (mtime_t)1000;
1714                 else
1715 #endif
1716                     idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1717                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1718             }
1719 #undef idx
1720             return VLC_SUCCESS;
1721         }
1722
1723         i_level = ep->GetLevel();
1724
1725         if( el == NULL )
1726         {
1727             if( i_level > 1 )
1728             {
1729                 ep->Up();
1730                 continue;
1731             }
1732             msg_Warn( &sys.demuxer, "EOF" );
1733             return VLC_EGENERIC;
1734         }
1735
1736         /* do parsing */
1737         switch ( i_level )
1738         {
1739         case 1:
1740             if( MKV_IS_ID( el, KaxCluster ) )
1741             {
1742                 cluster = (KaxCluster*)el;
1743                 i_cluster_pos = cluster->GetElementPosition();
1744
1745                 /* add it to the index */
1746                 if( i_index == 0 ||
1747                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1748                 {
1749                     IndexAppendCluster( cluster );
1750                 }
1751
1752                 // reset silent tracks
1753                 for (size_t i=0; i<tracks.size(); i++)
1754                 {
1755                     tracks[i]->b_silent = VLC_FALSE;
1756                 }
1757
1758                 ep->Down();
1759             }
1760             else if( MKV_IS_ID( el, KaxCues ) )
1761             {
1762                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1763                 return VLC_EGENERIC;
1764             }
1765             else
1766             {
1767                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1768             }
1769             break;
1770         case 2:
1771             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1772             {
1773                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1774
1775                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1776                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1777             }
1778             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1779             {
1780                 ep->Down();
1781             }
1782             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1783             {
1784                 i_block_pos = el->GetElementPosition();
1785                 ep->Down();
1786             }
1787 #if LIBMATROSKA_VERSION >= 0x000800
1788             else if( MKV_IS_ID( el, KaxSimpleBlock ) )
1789             {
1790                 pp_simpleblock = (KaxSimpleBlock*)el;
1791
1792                 pp_simpleblock->ReadData( es.I_O() );
1793                 pp_simpleblock->SetParent( *cluster );
1794             }
1795 #endif
1796             break;
1797         case 3:
1798             if( MKV_IS_ID( el, KaxBlock ) )
1799             {
1800                 pp_block = (KaxBlock*)el;
1801
1802                 pp_block->ReadData( es.I_O() );
1803                 pp_block->SetParent( *cluster );
1804
1805                 ep->Keep();
1806             }
1807             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1808             {
1809                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1810
1811                 dur.ReadData( es.I_O() );
1812                 *pi_duration = uint64( dur );
1813             }
1814             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1815             {
1816                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1817
1818                 ref.ReadData( es.I_O() );
1819                 if( *pi_ref1 == 0 )
1820                 {
1821                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1822                 }
1823                 else if( *pi_ref2 == 0 )
1824                 {
1825                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1826                 }
1827             }
1828             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1829             {
1830                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1831                 track_num.ReadData( es.I_O() );
1832                 // find the track
1833                 for (size_t i=0; i<tracks.size(); i++)
1834                 {
1835                     if ( tracks[i]->i_number == uint32(track_num))
1836                     {
1837                         tracks[i]->b_silent = VLC_TRUE;
1838                         break;
1839                     }
1840                 }
1841             }
1842             break;
1843         default:
1844             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1845             return VLC_EGENERIC;
1846         }
1847     }
1848 }
1849
1850 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem, size_t offset)
1851 {
1852     block_t *p_block;
1853     if( !(p_block = block_New( p_demux, i_mem + offset ) ) ) return NULL;
1854     memcpy( p_block->p_buffer + offset, p_mem, i_mem );
1855     //p_block->i_rate = p_input->stream.control.i_rate;
1856     return p_block;
1857 }
1858
1859 #if LIBMATROSKA_VERSION >= 0x000800
1860 static void BlockDecode( demux_t *p_demux, KaxBlock *block, KaxSimpleBlock *simpleblock,
1861                          mtime_t i_pts, mtime_t i_duration, bool f_mandatory )
1862 #else
1863 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1864                          mtime_t i_duration, bool f_mandatory )
1865 #endif
1866 {
1867     demux_sys_t        *p_sys = p_demux->p_sys;
1868     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1869
1870     size_t          i_track;
1871     unsigned int    i;
1872     vlc_bool_t      b;
1873
1874 #define tk  p_segment->tracks[i_track]
1875     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1876     {
1877 #if LIBMATROSKA_VERSION >= 0x000800
1878         if( (block != NULL && tk->i_number == block->TrackNum()) ||
1879             (simpleblock != NULL && tk->i_number == simpleblock->TrackNum()))
1880 #else
1881         if( tk->i_number == block->TrackNum() )
1882 #endif
1883         {
1884             break;
1885         }
1886     }
1887
1888     if( i_track >= p_segment->tracks.size() )
1889     {
1890         msg_Err( p_demux, "invalid track number" );
1891         return;
1892     }
1893     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1894     {
1895         msg_Err( p_demux, "unknown track number" );
1896         return;
1897     }
1898     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1899     {
1900         return; /* discard audio packets that shouldn't be rendered */
1901     }
1902
1903     if ( tk->fmt.i_cat != NAV_ES )
1904     {
1905         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1906
1907         if( !b )
1908         {
1909             tk->b_inited = VLC_FALSE;
1910             return;
1911         }
1912     }
1913
1914
1915     /* First send init data */
1916     if( !tk->b_inited && tk->i_data_init > 0 )
1917     {
1918         block_t *p_init;
1919
1920         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1921         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init, 0 );
1922         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1923     }
1924     tk->b_inited = VLC_TRUE;
1925
1926
1927 #if LIBMATROSKA_VERSION >= 0x000800
1928     for( i = 0;
1929         (block != NULL && i < block->NumberFrames()) || (simpleblock != NULL && i < simpleblock->NumberFrames());
1930         i++ )
1931 #else
1932     for( i = 0; i < block->NumberFrames(); i++ )
1933 #endif
1934     {
1935         block_t *p_block;
1936         DataBuffer *data;
1937 #if LIBMATROSKA_VERSION >= 0x000800
1938         if ( simpleblock != NULL )
1939         {
1940             data = &simpleblock->GetBuffer(i);
1941             // condition when the DTS is correct (keyframe or B frame == NOT P frame)
1942             f_mandatory = simpleblock->IsDiscardable() || simpleblock->IsKeyframe();
1943         }
1944         else
1945 #endif
1946         data = &block->GetBuffer(i);
1947
1948         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER && tk->p_compression_data != NULL )
1949             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), tk->p_compression_data->GetSize() );
1950         else
1951             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), 0 );
1952
1953         if( p_block == NULL )
1954         {
1955             break;
1956         }
1957
1958 #if defined(HAVE_ZLIB_H)
1959         if( tk->i_compression_type == MATROSKA_COMPRESSION_ZLIB )
1960         {
1961             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1962         }
1963         else
1964 #endif
1965         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER )
1966         {
1967             memcpy( p_block->p_buffer, tk->p_compression_data->GetBuffer(), tk->p_compression_data->GetSize() );
1968         }
1969
1970         if ( tk->fmt.i_cat == NAV_ES )
1971         {
1972             // TODO handle the start/stop times of this packet
1973             if ( p_sys->b_ui_hooked )
1974             {
1975                 vlc_mutex_lock( &p_sys->p_ev->lock );
1976                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1977                 p_sys->SwapButtons();
1978                 p_sys->b_pci_packet_set = true;
1979                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1980                 block_Release( p_block );
1981             }
1982             return;
1983         }
1984         // correct timestamping when B frames are used
1985         if( tk->fmt.i_cat != VIDEO_ES )
1986         {
1987             p_block->i_dts = p_block->i_pts = i_pts;
1988         }
1989         else
1990         {
1991             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
1992             {
1993                 // in VFW we have no idea about B frames
1994                 p_block->i_pts = 0;
1995                 p_block->i_dts = i_pts;
1996             }
1997             else
1998             {
1999                 p_block->i_pts = i_pts;
2000                 if ( f_mandatory )
2001                     p_block->i_dts = p_block->i_pts;
2002                 else
2003                     p_block->i_dts = min( i_pts, tk->i_last_dts + (mtime_t)(tk->i_default_duration >> 10));
2004                 p_sys->i_pts = p_block->i_dts;
2005             }
2006         }
2007         tk->i_last_dts = p_block->i_dts;
2008
2009 #if 0
2010 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
2011 #endif
2012         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
2013         {
2014             p_block->i_length = i_duration * 1000;
2015         }
2016
2017         es_out_Send( p_demux->out, tk->p_es, p_block );
2018
2019         /* use time stamp only for first block */
2020         i_pts = 0;
2021     }
2022
2023 #undef tk
2024 }
2025
2026 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial )
2027 {
2028     int i_upper_lvl = 0;
2029     size_t i;
2030     EbmlElement *p_l0, *p_l1, *p_l2;
2031     bool b_keep_stream = false, b_keep_segment;
2032
2033     // verify the EBML Header
2034     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
2035     if (p_l0 == NULL)
2036     {
2037         msg_Err( p_demux, "No EBML header found" );
2038         return NULL;
2039     }
2040
2041     // verify we can read this Segment, we only support Matroska version 1 for now
2042     p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
2043
2044     EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
2045     if (std::string(doc_type) != "matroska")
2046     {
2047         msg_Err( p_demux, "Not a Matroska file : DocType = %s ", std::string(doc_type).c_str());
2048         return NULL;
2049     }
2050
2051     EDocTypeReadVersion doc_read_version = GetChild<EDocTypeReadVersion>(*static_cast<EbmlHead*>(p_l0));
2052 #if LIBMATROSKA_VERSION >= 0x000800
2053     if (uint64(doc_read_version) > 2)
2054     {
2055         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1 & 2", uint64(doc_read_version));
2056         return NULL;
2057     }
2058 #else
2059     if (uint64(doc_read_version) != 1)
2060     {
2061         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1", uint64(doc_read_version));
2062         return NULL;
2063     }
2064 #endif
2065
2066     delete p_l0;
2067
2068
2069     // find all segments in this file
2070     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
2071     if (p_l0 == NULL)
2072     {
2073         return NULL;
2074     }
2075
2076     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
2077
2078     while (p_l0 != 0)
2079     {
2080         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
2081         {
2082             EbmlParser  *ep;
2083             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
2084             b_keep_segment = b_initial;
2085
2086             ep = new EbmlParser(p_estream, p_l0, &demuxer );
2087             p_segment1->ep = ep;
2088             p_segment1->segment = (KaxSegment*)p_l0;
2089
2090             while ((p_l1 = ep->Get()))
2091             {
2092                 if (MKV_IS_ID(p_l1, KaxInfo))
2093                 {
2094                     // find the families of this segment
2095                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
2096
2097                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
2098                     for( i = 0; i < p_info->ListSize(); i++ )
2099                     {
2100                         EbmlElement *l = (*p_info)[i];
2101
2102                         if( MKV_IS_ID( l, KaxSegmentUID ) )
2103                         {
2104                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
2105                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
2106                             if ( !b_keep_segment )
2107                                 break; // this segment is already known
2108                             opened_segments.push_back( p_segment1 );
2109                             delete p_segment1->p_segment_uid;
2110                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
2111                         }
2112                         else if( MKV_IS_ID( l, KaxPrevUID ) )
2113                         {
2114                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
2115                         }
2116                         else if( MKV_IS_ID( l, KaxNextUID ) )
2117                         {
2118                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
2119                         }
2120                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
2121                         {
2122                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
2123                             p_segment1->families.push_back( p_fam );
2124                         }
2125                     }
2126                     break;
2127                 }
2128             }
2129             if ( b_keep_segment )
2130             {
2131                 b_keep_stream = true;
2132                 p_stream1->segments.push_back( p_segment1 );
2133             }
2134             else
2135                 delete p_segment1;
2136         }
2137         if (p_l0->IsFiniteSize() )
2138         {
2139             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2140             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2141         }
2142         else
2143             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2144     }
2145
2146     if ( !b_keep_stream )
2147     {
2148         delete p_stream1;
2149         p_stream1 = NULL;
2150     }
2151
2152     return p_stream1;
2153 }
2154
2155 bool matroska_segment_c::Select( mtime_t i_start_time )
2156 {
2157     size_t i_track;
2158
2159     /* add all es */
2160     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2161     sys.b_pci_packet_set = false;
2162
2163     for( i_track = 0; i_track < tracks.size(); i_track++ )
2164     {
2165         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2166         {
2167             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2168             tracks[i_track]->p_es = NULL;
2169             continue;
2170         }
2171
2172         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2173         {
2174             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2175             {
2176                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2177                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2178             }
2179             else
2180             {
2181                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2182
2183                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2184                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2185                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2186
2187                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2188                 if( tracks[i_track]->fmt.i_extra > 0 )
2189                 {
2190                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2191                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2192                 }
2193             }
2194         }
2195         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2196                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2197         {
2198             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2199         }
2200         else if( !strncmp( tracks[i_track]->psz_codec, "V_THEORA", 8 ) )
2201         {
2202             uint8_t *p_data = tracks[i_track]->p_extra_data;
2203             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'h', 'e', 'o' );
2204             if( tracks[i_track]->i_extra_data >= 4 ) {
2205                 if( p_data[0] == 2 ) {
2206                     int i = 1;
2207                     int i_size1 = 0, i_size2 = 0;
2208                     p_data++;
2209                     /* read size of first header packet */
2210                     while( *p_data == 0xFF &&
2211                            i < tracks[i_track]->i_extra_data )
2212                     {
2213                         i_size1 += *p_data;
2214                         p_data++;
2215                         i++;
2216                     }
2217                     i_size1 += *p_data;
2218                     p_data++;
2219                     i++;
2220                     msg_Dbg( &sys.demuxer, "first theora header size %d", i_size1 );
2221                     /* read size of second header packet */
2222                     while( *p_data == 0xFF &&
2223                            i < tracks[i_track]->i_extra_data )
2224                     {
2225                         i_size2 += *p_data;
2226                         p_data++;
2227                         i++;
2228                     }
2229                     i_size2 += *p_data;
2230                     p_data++;
2231                     i++;
2232                     int i_size3 = tracks[i_track]->i_extra_data - i - i_size1
2233                         - i_size2;
2234                     msg_Dbg( &sys.demuxer, "second theora header size %d", i_size2 );
2235                     msg_Dbg( &sys.demuxer, "third theora header size %d", i_size3 );
2236                     tracks[i_track]->fmt.i_extra = i_size1 + i_size2 + i_size3
2237                         + 6;
2238                     if( i_size1 > 0 && i_size2 > 0 && i_size3 > 0  ) {
2239                         tracks[i_track]->fmt.p_extra =
2240                             malloc( tracks[i_track]->fmt.i_extra );
2241                         uint8_t *p_out = (uint8_t*)tracks[i_track]->fmt.p_extra;
2242                         *p_out++ = (i_size1>>8) & 0xFF;
2243                         *p_out++ = i_size1 & 0xFF;
2244                         memcpy( p_out, p_data, i_size1 );
2245                         p_data += i_size1;
2246                         p_out += i_size1;
2247
2248                         *p_out++ = (i_size2>>8) & 0xFF;
2249                         *p_out++ = i_size2 & 0xFF;
2250                         memcpy( p_out, p_data, i_size2 );
2251                         p_data += i_size2;
2252                         p_out += i_size2;
2253
2254                         *p_out++ = (i_size3>>8) & 0xFF;
2255                         *p_out++ = i_size3 & 0xFF;
2256                         memcpy( p_out, p_data, i_size3 );
2257                         p_data += i_size3;
2258                         p_out += i_size3;
2259                     }
2260                     else
2261                     {
2262                         msg_Err( &sys.demuxer, "inconsistant theora extradata" );
2263                     }
2264                 }
2265                 else {
2266                     msg_Err( &sys.demuxer, "Wrong number of ogg packets with theora headers (%d)", p_data[0] + 1 );
2267                 }
2268             }
2269         }
2270         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2271         {
2272             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2273             {
2274                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2275             }
2276             else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO", 11 ) )
2277             {
2278                 /* A MPEG 4 codec, SP, ASP, AP or AVC */
2279                 if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2280                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2281                 else
2282                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2283                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2284                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2285                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2286             }
2287         }
2288         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2289         {
2290             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2291             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2292                                                        tracks[i_track]->p_extra_data,
2293                                                        tracks[i_track]->i_extra_data,
2294                                                        VLC_FALSE );
2295             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2296             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2297             tracks[i_track]->fmt.i_codec = p_box->i_type;
2298             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2299             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2300             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2301             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2302             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2303             MP4_FreeBox_sample_vide( p_box );
2304             stream_Delete( p_mp4_stream );
2305         }
2306         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2307         {
2308             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2309             {
2310                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2311                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2312             }
2313             else
2314             {
2315                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2316
2317                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2318
2319                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2320                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2321                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2322                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2323                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2324
2325                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2326                 if( tracks[i_track]->fmt.i_extra > 0 )
2327                 {
2328                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2329                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2330                 }
2331             }
2332         }
2333         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2334                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2335                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2336         {
2337             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2338         }
2339         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2340         {
2341             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2342         }
2343         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2344         {
2345             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2346         }
2347         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2348         {
2349             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2350             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2351             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2352             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2353         }
2354         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2355         {
2356             int i, i_offset = 1, i_size[3], i_extra;
2357             uint8_t *p_extra;
2358
2359             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2360
2361             /* Split the 3 headers */
2362             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2363                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2364
2365             for( i = 0; i < 2; i++ )
2366             {
2367                 i_size[i] = 0;
2368                 while( i_offset < tracks[i_track]->i_extra_data )
2369                 {
2370                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2371                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2372                 }
2373             }
2374
2375             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2376             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2377             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2378
2379             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2380             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2381             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2382             for( i = 0; i < 3; i++ )
2383             {
2384                 *(p_extra++) = i_size[i] >> 8;
2385                 *(p_extra++) = i_size[i] & 0xFF;
2386                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2387                         i_size[i] );
2388                 p_extra += i_size[i];
2389                 i_extra += i_size[i];
2390             }
2391         }
2392         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2393                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2394         {
2395             int i_profile, i_srate, sbr = 0;
2396             static unsigned int i_sample_rates[] =
2397             {
2398                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2399                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2400             };
2401
2402             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2403             /* create data for faad (MP4DecSpecificDescrTag)*/
2404
2405             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2406             {
2407                 i_profile = 0;
2408             }
2409             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2410             {
2411                 i_profile = 1;
2412             }
2413             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2414             {
2415                 i_profile = 2;
2416             }
2417             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC/SBR" ) )
2418             {
2419                 i_profile = 1;
2420                 sbr = 1;
2421             }
2422             else
2423             {
2424                 i_profile = 3;
2425             }
2426
2427             for( i_srate = 0; i_srate < 13; i_srate++ )
2428             {
2429                 if( i_sample_rates[i_srate] == tracks[i_track]->i_original_rate )
2430                 {
2431                     break;
2432                 }
2433             }
2434             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2435
2436             tracks[i_track]->fmt.i_extra = sbr ? 5 : 2;
2437             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2438             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2439             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2440             if (sbr != 0)
2441             {
2442                 int syncExtensionType = 0x2B7;
2443                 int iDSRI;
2444                 for (iDSRI=0; iDSRI<13; iDSRI++)
2445                     if( i_sample_rates[iDSRI] == tracks[i_track]->fmt.audio.i_rate )
2446                         break;
2447                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[2] = (syncExtensionType >> 3) & 0xFF;
2448                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[3] = ((syncExtensionType & 0x7) << 5) | 5;
2449                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[4] = ((1 & 0x1) << 7) | (iDSRI << 3);
2450             }
2451         }
2452         else if( !strcmp( tracks[i_track]->psz_codec, "A_AAC" ) )
2453         {
2454             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2455             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2456             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2457             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2458         }
2459         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2460         {
2461             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'W', 'V', 'P', 'K' );
2462             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2463             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2464             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2465         }
2466         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2467         {
2468             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'T', 'T', 'A', '1' );
2469             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2470             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2471             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2472         }
2473         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2474                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2475                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2476         {
2477             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2478             {
2479                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2480             }
2481             else
2482             {
2483                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2484             }
2485             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2486         }
2487         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2488         {
2489             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2490             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2491         }
2492         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/USF" ) )
2493         {
2494             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 's', 'f', ' ' );
2495             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2496             if( tracks[i_track]->i_extra_data )
2497             {
2498                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2499                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2500                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2501             }
2502         }
2503         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2504                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2505                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2506                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2507         {
2508             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2509             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2510             if( tracks[i_track]->i_extra_data )
2511             {
2512                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2513                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2514                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2515             }
2516         }
2517         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2518         {
2519             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2520             if( tracks[i_track]->i_extra_data )
2521             {
2522                 char *p_start;
2523                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2524                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2525                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2526
2527                 p_start = strstr( p_buf, "size:" );
2528                 if( sscanf( p_start, "size: %dx%d",
2529                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2530                 {
2531                     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 );
2532                 }
2533                 else
2534                 {
2535                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2536                 }
2537                 free( p_buf );
2538             }
2539         }
2540         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2541         {
2542             tracks[i_track]->fmt.i_cat = NAV_ES;
2543             continue;
2544         }
2545         else
2546         {
2547             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2548             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2549         }
2550         if( tracks[i_track]->b_default )
2551         {
2552             tracks[i_track]->fmt.i_priority = 1000;
2553         }
2554
2555         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2556
2557         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2558     }
2559
2560     sys.i_start_pts = i_start_time;
2561     // reset the stream reading to the first cluster of the segment used
2562     es.I_O().setFilePointer( i_start_pos );
2563
2564     delete ep;
2565     ep = new EbmlParser( &es, segment, &sys.demuxer );
2566
2567     return true;
2568 }
2569
2570 void demux_sys_t::StartUiThread()
2571 {
2572     if ( !b_ui_hooked )
2573     {
2574         msg_Dbg( &demuxer, "Starting the UI Hook" );
2575         b_ui_hooked = true;
2576         /* FIXME hack hack hack hack FIXME */
2577         /* Get p_input and create variable */
2578         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2579         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2580         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2581         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2582         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2583         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2584         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2585         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2586         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2587
2588         /* Now create our event thread catcher */
2589         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2590         p_ev->p_demux = &demuxer;
2591         p_ev->b_die = VLC_FALSE;
2592         vlc_mutex_init( p_ev, &p_ev->lock );
2593         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2594                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2595     }
2596 }
2597
2598 void demux_sys_t::StopUiThread()
2599 {
2600     if ( b_ui_hooked )
2601     {
2602         p_ev->b_die = VLC_TRUE;
2603
2604         vlc_thread_join( p_ev );
2605         vlc_object_destroy( p_ev );
2606
2607         p_ev = NULL;
2608
2609         var_Destroy( p_input, "highlight-mutex" );
2610         var_Destroy( p_input, "highlight" );
2611         var_Destroy( p_input, "x-start" );
2612         var_Destroy( p_input, "x-end" );
2613         var_Destroy( p_input, "y-start" );
2614         var_Destroy( p_input, "y-end" );
2615         var_Destroy( p_input, "color" );
2616         var_Destroy( p_input, "menu-palette" );
2617
2618         vlc_object_release( p_input );
2619
2620         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2621     }
2622     b_ui_hooked = false;
2623 }
2624
2625 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2626                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2627 {
2628     event_thread_t *p_ev = (event_thread_t *) p_data;
2629     vlc_mutex_lock( &p_ev->lock );
2630     if( psz_var[6] == 'c' )
2631     {
2632         p_ev->b_clicked = VLC_TRUE;
2633         msg_Dbg( p_this, "Event Mouse: clicked");
2634     }
2635     else if( psz_var[6] == 'm' )
2636         p_ev->b_moved = VLC_TRUE;
2637     vlc_mutex_unlock( &p_ev->lock );
2638
2639     return VLC_SUCCESS;
2640 }
2641
2642 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2643                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2644 {
2645     event_thread_t *p_ev = (event_thread_t *) p_data;
2646     vlc_mutex_lock( &p_ev->lock );
2647     p_ev->b_key = VLC_TRUE;
2648     vlc_mutex_unlock( &p_ev->lock );
2649     msg_Dbg( p_this, "Event Key");
2650
2651     return VLC_SUCCESS;
2652 }
2653
2654 int demux_sys_t::EventThread( vlc_object_t *p_this )
2655 {
2656     event_thread_t *p_ev = (event_thread_t*)p_this;
2657     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2658     vlc_object_t   *p_vout = NULL;
2659
2660     p_ev->b_moved   = VLC_FALSE;
2661     p_ev->b_clicked = VLC_FALSE;
2662     p_ev->b_key     = VLC_FALSE;
2663
2664     /* catch all key event */
2665     var_AddCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
2666
2667     /* main loop */
2668     while( !p_ev->b_die )
2669     {
2670         if ( !p_sys->b_pci_packet_set )
2671         {
2672             /* Wait 100ms */
2673             msleep( 100000 );
2674             continue;
2675         }
2676
2677         vlc_bool_t b_activated = VLC_FALSE;
2678
2679         /* KEY part */
2680         if( p_ev->b_key )
2681         {
2682             vlc_value_t valk;
2683             struct libvlc_int_t::hotkey *p_hotkeys = p_ev->p_libvlc->p_hotkeys;
2684             int i, i_action = -1;
2685
2686             msg_Dbg( p_ev->p_demux, "Handle Key Event");
2687
2688             vlc_mutex_lock( &p_ev->lock );
2689
2690             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2691
2692             var_Get( p_ev->p_libvlc, "key-pressed", &valk );
2693             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2694             {
2695                 if( p_hotkeys[i].i_key == valk.i_int )
2696                 {
2697                     i_action = p_hotkeys[i].i_action;
2698                 }
2699             }
2700
2701             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2702
2703             switch( i_action )
2704             {
2705             case ACTIONID_NAV_LEFT:
2706                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2707                 {
2708                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2709                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2710                     {
2711                         i_curr_button = p_button_ptr->left;
2712                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2713                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2714                         if ( button_ptr.auto_action_mode )
2715                         {
2716                             vlc_mutex_unlock( &p_ev->lock );
2717                             vlc_mutex_lock( &p_sys->lock_demuxer );
2718
2719                             // process the button action
2720                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2721
2722                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2723                             vlc_mutex_lock( &p_ev->lock );
2724                         }
2725                     }
2726                 }
2727                 break;
2728             case ACTIONID_NAV_RIGHT:
2729                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2730                 {
2731                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2732                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2733                     {
2734                         i_curr_button = p_button_ptr->right;
2735                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2736                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2737                         if ( button_ptr.auto_action_mode )
2738                         {
2739                             vlc_mutex_unlock( &p_ev->lock );
2740                             vlc_mutex_lock( &p_sys->lock_demuxer );
2741
2742                             // process the button action
2743                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2744
2745                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2746                             vlc_mutex_lock( &p_ev->lock );
2747                         }
2748                     }
2749                 }
2750                 break;
2751             case ACTIONID_NAV_UP:
2752                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2753                 {
2754                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2755                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2756                     {
2757                         i_curr_button = p_button_ptr->up;
2758                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2759                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2760                         if ( button_ptr.auto_action_mode )
2761                         {
2762                             vlc_mutex_unlock( &p_ev->lock );
2763                             vlc_mutex_lock( &p_sys->lock_demuxer );
2764
2765                             // process the button action
2766                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2767
2768                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2769                             vlc_mutex_lock( &p_ev->lock );
2770                         }
2771                     }
2772                 }
2773                 break;
2774             case ACTIONID_NAV_DOWN:
2775                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2776                 {
2777                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2778                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2779                     {
2780                         i_curr_button = p_button_ptr->down;
2781                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2782                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2783                         if ( button_ptr.auto_action_mode )
2784                         {
2785                             vlc_mutex_unlock( &p_ev->lock );
2786                             vlc_mutex_lock( &p_sys->lock_demuxer );
2787
2788                             // process the button action
2789                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2790
2791                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2792                             vlc_mutex_lock( &p_ev->lock );
2793                         }
2794                     }
2795                 }
2796                 break;
2797             case ACTIONID_NAV_ACTIVATE:
2798                 b_activated = VLC_TRUE;
2799
2800                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2801                 {
2802                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2803
2804                     vlc_mutex_unlock( &p_ev->lock );
2805                     vlc_mutex_lock( &p_sys->lock_demuxer );
2806
2807                     // process the button action
2808                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2809
2810                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2811                     vlc_mutex_lock( &p_ev->lock );
2812                 }
2813                 break;
2814             default:
2815                 break;
2816             }
2817             p_ev->b_key = VLC_FALSE;
2818             vlc_mutex_unlock( &p_ev->lock );
2819         }
2820
2821         /* MOUSE part */
2822         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2823         {
2824             vlc_value_t valx, valy;
2825
2826             vlc_mutex_lock( &p_ev->lock );
2827             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2828             var_Get( p_vout, "mouse-x", &valx );
2829             var_Get( p_vout, "mouse-y", &valy );
2830
2831             if( p_ev->b_clicked )
2832             {
2833                 int32_t button;
2834                 int32_t best,dist,d;
2835                 int32_t mx,my,dx,dy;
2836
2837                 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
2838
2839                 b_activated = VLC_TRUE;
2840                 // get current button
2841                 best = 0;
2842                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2843                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2844                 {
2845                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2846
2847                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2848                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2849                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2850                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2851                     {
2852                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2853                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2854                         dx = mx - valx.i_int;
2855                         dy = my - valy.i_int;
2856                         d = (dx*dx) + (dy*dy);
2857                         /* If the mouse is within the button and the mouse is closer
2858                         * to the center of this button then it is the best choice. */
2859                         if(d < dist) {
2860                             dist = d;
2861                             best = button;
2862                         }
2863                     }
2864                 }
2865
2866                 if ( best != 0)
2867                 {
2868                     btni_t button_ptr = pci->hli.btnit[best-1];
2869                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2870
2871                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2872                     vlc_mutex_unlock( &p_ev->lock );
2873                     vlc_mutex_lock( &p_sys->lock_demuxer );
2874
2875                     // process the button action
2876                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2877                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2878
2879                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2880
2881                     // select new button
2882                     if ( best != i_curr_button )
2883                     {
2884                         vlc_value_t val;
2885
2886                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2887                         {
2888                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2889                             uint32_t i_palette;
2890
2891                             if(button_ptr.btn_coln != 0) {
2892                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2893                             } else {
2894                                 i_palette = 0;
2895                             }
2896
2897                             for( int i = 0; i < 4; i++ )
2898                             {
2899                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2900                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2901                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2902
2903                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2904                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2905                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2906                                 p_sys->palette[i][3] = i_alpha;
2907                             }
2908
2909                             vlc_mutex_lock( p_mutex );
2910                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2911                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2912                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2913                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2914
2915                             val.p_address = (void *)p_sys->palette;
2916                             var_Set( p_sys->p_input, "menu-palette", val );
2917
2918                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2919                             vlc_mutex_unlock( p_mutex );
2920                         }
2921                     }
2922                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2923                     vlc_mutex_lock( &p_ev->lock );
2924                 }
2925             }
2926             else if( p_ev->b_moved )
2927             {
2928 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2929             }
2930
2931             p_ev->b_moved = VLC_FALSE;
2932             p_ev->b_clicked = VLC_FALSE;
2933             vlc_mutex_unlock( &p_ev->lock );
2934         }
2935
2936         /* VOUT part */
2937         if( p_vout && p_vout->b_die )
2938         {
2939             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2940             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2941             vlc_object_release( p_vout );
2942             p_vout = NULL;
2943         }
2944
2945         else if( p_vout == NULL )
2946         {
2947             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2948                                       FIND_CHILD );
2949             if( p_vout)
2950             {
2951                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2952                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2953             }
2954         }
2955
2956         /* Wait a bit, 10ms */
2957         msleep( 10000 );
2958     }
2959
2960     /* Release callback */
2961     if( p_vout )
2962     {
2963         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2964         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2965         vlc_object_release( p_vout );
2966     }
2967     var_DelCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
2968
2969     vlc_mutex_destroy( &p_ev->lock );
2970
2971     return VLC_SUCCESS;
2972 }
2973
2974 void matroska_segment_c::UnSelect( )
2975 {
2976     size_t i_track;
2977
2978     for( i_track = 0; i_track < tracks.size(); i_track++ )
2979     {
2980         if ( tracks[i_track]->p_es != NULL )
2981         {
2982 //            es_format_Clean( &tracks[i_track]->fmt );
2983             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2984             tracks[i_track]->p_es = NULL;
2985         }
2986     }
2987     delete ep;
2988     ep = NULL;
2989 }
2990
2991 void virtual_segment_c::PrepareChapters( )
2992 {
2993     if ( linked_segments.size() == 0 )
2994         return;
2995
2996     // !!! should be called only once !!!
2997     matroska_segment_c *p_segment;
2998     size_t i, j;
2999
3000     // copy editions from the first segment
3001     p_segment = linked_segments[0];
3002     p_editions = &p_segment->stored_editions;
3003
3004     for ( i=1 ; i<linked_segments.size(); i++ )
3005     {
3006         p_segment = linked_segments[i];
3007         // FIXME assume we have the same editions in all segments
3008         for (j=0; j<p_segment->stored_editions.size(); j++)
3009             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
3010     }
3011 }
3012
3013 std::string chapter_edition_c::GetMainName() const
3014 {
3015     if ( sub_chapters.size() )
3016     {
3017         return sub_chapters[0]->GetCodecName( true );
3018     }
3019     return "";
3020 }
3021
3022 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
3023 {
3024     // add support for meta-elements from codec like DVD Titles
3025     if ( !b_display_seekpoint || psz_name == "" )
3026     {
3027         psz_name = GetCodecName();
3028         if ( psz_name != "" )
3029             b_display_seekpoint = true;
3030     }
3031
3032     if (b_display_seekpoint)
3033     {
3034         seekpoint_t *sk = vlc_seekpoint_New();
3035
3036         sk->i_level = i_level;
3037         sk->i_time_offset = i_start_time;
3038         sk->psz_name = strdup( psz_name.c_str() );
3039
3040         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
3041         title.i_seekpoint++;
3042         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
3043         title.seekpoint[title.i_seekpoint-1] = sk;
3044
3045         if ( b_user_display )
3046             i_user_chapters++;
3047     }
3048
3049     for ( size_t i=0; i<sub_chapters.size() ; i++)
3050     {
3051         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
3052     }
3053
3054     i_seekpoint_num = i_user_chapters;
3055
3056     return i_user_chapters;
3057 }
3058
3059 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
3060 {
3061     demux_sys_t & sys = *demux.p_sys;
3062     chapter_item_c *psz_curr_chapter;
3063     bool b_has_seeked = false;
3064
3065     /* update current chapter/seekpoint */
3066     if ( p_editions->size() )
3067     {
3068         /* 1st, we need to know in which chapter we are */
3069         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
3070
3071         /* we have moved to a new chapter */
3072         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
3073         {
3074             if ( (*p_editions)[i_current_edition]->b_ordered )
3075             {
3076                 // Leave/Enter up to the link point
3077                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
3078                 if ( !b_has_seeked )
3079                 {
3080                     // only physically seek if necessary
3081                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
3082                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
3083                 }
3084             }
3085
3086             if ( !b_has_seeked )
3087             {
3088                 psz_current_chapter = psz_curr_chapter;
3089                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
3090                 {
3091                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
3092                     demux.info.i_title = sys.i_current_title = i_sys_title;
3093                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
3094                 }
3095             }
3096
3097             return true;
3098         }
3099         else if (psz_curr_chapter == NULL)
3100         {
3101             // out of the scope of the data described by chapters, leave the edition
3102             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
3103             {
3104                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
3105                     psz_current_chapter = NULL;
3106                 else
3107                     return true;
3108             }
3109         }
3110     }
3111     return false;
3112 }
3113
3114 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
3115                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3116                                     const void *p_cookie,
3117                                     size_t i_cookie_size )
3118 {
3119     // FIXME don't assume it is the first edition
3120     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3121     if ( index != p_editions->end() )
3122     {
3123         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3124         if ( p_result != NULL )
3125             return p_result;
3126     }
3127     return NULL;
3128 }
3129
3130 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
3131 {
3132     // FIXME don't assume it is the first edition
3133     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3134     if ( index != p_editions->end() )
3135     {
3136         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
3137         if ( p_result != NULL )
3138             return p_result;
3139     }
3140     return NULL;
3141 }
3142
3143 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
3144                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3145                                     const void *p_cookie,
3146                                     size_t i_cookie_size )
3147 {
3148     // this chapter
3149     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3150     while ( index != codecs.end() )
3151     {
3152         if ( match( **index ,p_cookie, i_cookie_size ) )
3153             return this;
3154         index++;
3155     }
3156
3157     // sub-chapters
3158     chapter_item_c *p_result = NULL;
3159     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
3160     while ( index2 != sub_chapters.end() )
3161     {
3162         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3163         if ( p_result != NULL )
3164             return p_result;
3165         index2++;
3166     }
3167
3168     return p_result;
3169 }
3170
3171 void chapter_item_c::Append( const chapter_item_c & chapter )
3172 {
3173     // we are appending content for the same chapter UID
3174     size_t i;
3175     chapter_item_c *p_chapter;
3176
3177     for ( i=0; i<chapter.sub_chapters.size(); i++ )
3178     {
3179         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
3180         if ( p_chapter != NULL )
3181         {
3182             p_chapter->Append( *chapter.sub_chapters[i] );
3183         }
3184         else
3185         {
3186             sub_chapters.push_back( chapter.sub_chapters[i] );
3187         }
3188     }
3189
3190     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
3191     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
3192 }
3193
3194 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
3195 {
3196     size_t i;
3197     chapter_item_c *p_result = NULL;
3198
3199     if ( i_uid == i_find_uid )
3200         return this;
3201
3202     for ( i=0; i<sub_chapters.size(); i++)
3203     {
3204         p_result = sub_chapters[i]->FindChapter( i_find_uid );
3205         if ( p_result != NULL )
3206             break;
3207     }
3208     return p_result;
3209 }
3210
3211 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
3212 {
3213     std::string result;
3214
3215     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3216     while ( index != codecs.end() )
3217     {
3218         result = (*index)->GetCodecName( f_for_title );
3219         if ( result != "" )
3220             break;
3221         index++;
3222     }
3223
3224     return result;
3225 }
3226
3227 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
3228 {
3229     std::string result;
3230     if ( p_private_data->GetSize() >= 3)
3231     {
3232         const binary* p_data = p_private_data->GetBuffer();
3233 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
3234         {
3235             uint16_t i_title = (p_data[1] << 8) + p_data[2];
3236             char psz_str[11];
3237             sprintf( psz_str, " %d  ---", i_title );
3238             result = N_("---  DVD Title");
3239             result += psz_str;
3240         }
3241         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3242         {
3243             char psz_str[11];
3244             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3245             result = N_("---  DVD Menu");
3246             result += psz_str;
3247         }
3248         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3249         {
3250             if ( p_data[1] == 0x00 )
3251                 result = N_("First Played");
3252             else if ( p_data[1] == 0xC0 )
3253                 result = N_("Video Manager");
3254             else if ( p_data[1] == 0x80 )
3255             {
3256                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3257                 char psz_str[20];
3258                 sprintf( psz_str, " %d -----", i_title );
3259                 result = N_("----- Title");
3260                 result += psz_str;
3261             }
3262         }
3263     }
3264
3265     return result;
3266 }
3267
3268 int16 chapter_item_c::GetTitleNumber( ) const
3269 {
3270     int result = -1;
3271
3272     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3273     while ( index != codecs.end() )
3274     {
3275         result = (*index)->GetTitleNumber( );
3276         if ( result >= 0 )
3277             break;
3278         index++;
3279     }
3280
3281     return result;
3282 }
3283
3284 int16 dvd_chapter_codec_c::GetTitleNumber()
3285 {
3286     if ( p_private_data->GetSize() >= 3)
3287     {
3288         const binary* p_data = p_private_data->GetBuffer();
3289         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3290         {
3291             return int16( (p_data[2] << 8) + p_data[3] );
3292         }
3293     }
3294     return -1;
3295 }
3296
3297 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3298 {
3299     demux_sys_t        *p_sys = p_demux->p_sys;
3300     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3301     matroska_segment_c *p_segment = p_vsegment->Segment();
3302     mtime_t            i_time_offset = 0;
3303
3304     int         i_index;
3305
3306     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3307     if( i_date < 0 && f_percent < 0 )
3308     {
3309         msg_Warn( p_demux, "cannot seek nowhere !" );
3310         return;
3311     }
3312     if( f_percent > 1.0 )
3313     {
3314         msg_Warn( p_demux, "cannot seek so far !" );
3315         return;
3316     }
3317
3318     /* seek without index or without date */
3319     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3320     {
3321         if (p_sys->f_duration >= 0)
3322         {
3323             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3324         }
3325         else
3326         {
3327             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3328
3329             msg_Dbg( p_demux, "inacurate way of seeking" );
3330             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3331             {
3332                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3333                 {
3334                     break;
3335                 }
3336             }
3337             if( i_index == p_segment->i_index )
3338             {
3339                 i_index--;
3340             }
3341
3342             i_date = p_segment->p_indexes[i_index].i_time;
3343
3344 #if 0
3345             if( p_segment->p_indexes[i_index].i_position < i_pos )
3346             {
3347                 EbmlElement *el;
3348
3349                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3350
3351                 /* search a cluster */
3352                 while( ( el = p_sys->ep->Get() ) != NULL )
3353                 {
3354                     if( MKV_IS_ID( el, KaxCluster ) )
3355                     {
3356                         KaxCluster *cluster = (KaxCluster*)el;
3357
3358                         /* add it to the index */
3359                         p_segment->IndexAppendCluster( cluster );
3360
3361                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3362                         {
3363                             p_sys->cluster = cluster;
3364                             p_sys->ep->Down();
3365                             break;
3366                         }
3367                     }
3368                 }
3369             }
3370 #endif
3371         }
3372     }
3373
3374     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3375 }
3376
3377 /*****************************************************************************
3378  * Demux: reads and demuxes data packets
3379  *****************************************************************************
3380  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3381  *****************************************************************************/
3382 static int Demux( demux_t *p_demux)
3383 {
3384     demux_sys_t        *p_sys = p_demux->p_sys;
3385
3386     vlc_mutex_lock( &p_sys->lock_demuxer );
3387
3388     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3389     matroska_segment_c *p_segment = p_vsegment->Segment();
3390     if ( p_segment == NULL ) return 0;
3391     int                i_block_count = 0;
3392     int                i_return = 0;
3393
3394     for( ;; )
3395     {
3396         if ( p_sys->demuxer.b_die )
3397             break;
3398
3399         if( p_sys->i_pts >= p_sys->i_start_pts  )
3400             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3401             {
3402                 i_return = 1;
3403                 break;
3404             }
3405
3406         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3407         {
3408             /* nothing left to read in this ordered edition */
3409             if ( !p_vsegment->SelectNext() )
3410                 break;
3411             p_segment->UnSelect( );
3412
3413             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3414
3415             /* switch to the next segment */
3416             p_segment = p_vsegment->Segment();
3417             if ( !p_segment->Select( 0 ) )
3418             {
3419                 msg_Err( p_demux, "Failed to select new segment" );
3420                 break;
3421             }
3422             continue;
3423         }
3424
3425         KaxBlock *block;
3426         int64_t i_block_duration = 0;
3427         int64_t i_block_ref1;
3428         int64_t i_block_ref2;
3429
3430 #if LIBMATROSKA_VERSION >= 0x000800
3431         KaxSimpleBlock *simpleblock;
3432
3433         if( p_segment->BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3434 #else
3435         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3436 #endif
3437         {
3438             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3439             {
3440                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3441                 // check if there are more chapters to read
3442                 if ( p_chap != NULL )
3443                 {
3444                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3445                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3446                         p_vsegment->SelectNext();
3447                     */
3448                     p_sys->i_pts = p_chap->i_user_end_time;
3449                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3450
3451                     i_return = 1;
3452                 }
3453
3454                 break;
3455             }
3456             else
3457             {
3458                 msg_Warn( p_demux, "cannot get block EOF?" );
3459                 p_segment->UnSelect( );
3460
3461                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3462
3463                 /* switch to the next segment */
3464                 if ( !p_vsegment->SelectNext() )
3465                     // no more segments in this stream
3466                     break;
3467                 p_segment = p_vsegment->Segment();
3468                 if ( !p_segment->Select( 0 ) )
3469                 {
3470                     msg_Err( p_demux, "Failed to select new segment" );
3471                     break;
3472                 }
3473
3474                 continue;
3475             }
3476         }
3477
3478 #if LIBMATROSKA_VERSION >= 0x000800
3479         if ( simpleblock != NULL )
3480             p_sys->i_pts = (p_sys->i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
3481         else
3482 #endif
3483         p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3484
3485         if( p_sys->i_pts >= p_sys->i_start_pts  )
3486         {
3487             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3488
3489             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3490             {
3491                 i_return = 1;
3492                 delete block;
3493                 break;
3494             }
3495         }
3496
3497         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3498         {
3499             /* nothing left to read in this ordered edition */
3500             if ( !p_vsegment->SelectNext() )
3501             {
3502                 delete block;
3503                 break;
3504             }
3505             p_segment->UnSelect( );
3506
3507             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3508
3509             /* switch to the next segment */
3510             p_segment = p_vsegment->Segment();
3511             if ( !p_segment->Select( 0 ) )
3512             {
3513                 msg_Err( p_demux, "Failed to select new segment" );
3514                 delete block;
3515                 break;
3516             }
3517             delete block;
3518             continue;
3519         }
3520
3521 #if LIBMATROSKA_VERSION >= 0x000800
3522         BlockDecode( p_demux, block, simpleblock, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3523 #else
3524         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3525 #endif
3526
3527         delete block;
3528         i_block_count++;
3529
3530         // TODO optimize when there is need to leave or when seeking has been called
3531         if( i_block_count > 5 )
3532         {
3533             i_return = 1;
3534             break;
3535         }
3536     }
3537
3538     vlc_mutex_unlock( &p_sys->lock_demuxer );
3539
3540     return i_return;
3541 }
3542
3543
3544
3545 /*****************************************************************************
3546  * Stream managment
3547  *****************************************************************************/
3548 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3549 {
3550     s = s_;
3551     b_owner = b_owner_;
3552     mb_eof = VLC_FALSE;
3553 }
3554
3555 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3556 {
3557     if( i_size <= 0 || mb_eof )
3558     {
3559         return 0;
3560     }
3561
3562     return stream_Read( s, p_buffer, i_size );
3563 }
3564 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3565 {
3566     int64_t i_pos;
3567
3568     switch( mode )
3569     {
3570         case seek_beginning:
3571             i_pos = i_offset;
3572             break;
3573         case seek_end:
3574             i_pos = stream_Size( s ) - i_offset;
3575             break;
3576         default:
3577             i_pos= stream_Tell( s ) + i_offset;
3578             break;
3579     }
3580
3581     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3582     {
3583         mb_eof = VLC_TRUE;
3584         return;
3585     }
3586
3587     mb_eof = VLC_FALSE;
3588     if( stream_Seek( s, i_pos ) )
3589     {
3590         mb_eof = VLC_TRUE;
3591     }
3592     return;
3593 }
3594 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3595 {
3596     return 0;
3597 }
3598 uint64 vlc_stream_io_callback::getFilePointer( void )
3599 {
3600     if ( s == NULL )
3601         return 0;
3602     return stream_Tell( s );
3603 }
3604 void vlc_stream_io_callback::close( void )
3605 {
3606     return;
3607 }
3608
3609
3610 /*****************************************************************************
3611  * Ebml Stream parser
3612  *****************************************************************************/
3613 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3614 {
3615     int i;
3616
3617     m_es = es;
3618     m_got = NULL;
3619     m_el[0] = el_start;
3620     mi_remain_size[0] = el_start->GetSize();
3621
3622     for( i = 1; i < 6; i++ )
3623     {
3624         m_el[i] = NULL;
3625     }
3626     mi_level = 1;
3627     mi_user_level = 1;
3628     mb_keep = VLC_FALSE;
3629     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3630 }
3631
3632 EbmlParser::~EbmlParser( void )
3633 {
3634     int i;
3635
3636     for( i = 1; i < mi_level; i++ )
3637     {
3638         if( !mb_keep )
3639         {
3640             delete m_el[i];
3641         }
3642         mb_keep = VLC_FALSE;
3643     }
3644 }
3645
3646 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3647 {
3648     if ( mi_user_level > mi_level )
3649     {
3650         while ( mi_user_level != mi_level )
3651         {
3652             delete m_el[mi_user_level];
3653             m_el[mi_user_level] = NULL;
3654             mi_user_level--;
3655         }
3656     }
3657     m_got = NULL;
3658     mb_keep = VLC_FALSE;
3659     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3660     {
3661         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3662         return (EbmlMaster*) m_el[1];
3663     }
3664     else
3665     {
3666         // seek to the previous Cluster
3667         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3668         mi_level--;
3669         mi_user_level--;
3670         delete m_el[mi_level];
3671         m_el[mi_level] = NULL;
3672         return NULL;
3673     }
3674 }
3675
3676 void EbmlParser::Up( void )
3677 {
3678     if( mi_user_level == mi_level )
3679     {
3680         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3681     }
3682
3683     mi_user_level--;
3684 }
3685
3686 void EbmlParser::Down( void )
3687 {
3688     mi_user_level++;
3689     mi_level++;
3690 }
3691
3692 void EbmlParser::Keep( void )
3693 {
3694     mb_keep = VLC_TRUE;
3695 }
3696
3697 int EbmlParser::GetLevel( void )
3698 {
3699     return mi_user_level;
3700 }
3701
3702 void EbmlParser::Reset( demux_t *p_demux )
3703 {
3704     while ( mi_level > 0)
3705     {
3706         delete m_el[mi_level];
3707         m_el[mi_level] = NULL;
3708         mi_level--;
3709     }
3710     mi_user_level = mi_level = 1;
3711 #if LIBEBML_VERSION >= 0x000704
3712     // a little faster and cleaner
3713     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3714 #else
3715     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3716 #endif
3717     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3718 }
3719
3720 EbmlElement *EbmlParser::Get( void )
3721 {
3722     int i_ulev = 0;
3723
3724     if( mi_user_level != mi_level )
3725     {
3726         return NULL;
3727     }
3728     if( m_got )
3729     {
3730         EbmlElement *ret = m_got;
3731         m_got = NULL;
3732
3733         return ret;
3734     }
3735
3736     if( m_el[mi_level] )
3737     {
3738         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3739         if( !mb_keep )
3740         {
3741             delete m_el[mi_level];
3742         }
3743         mb_keep = VLC_FALSE;
3744     }
3745
3746     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3747 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3748     if( i_ulev > 0 )
3749     {
3750         while( i_ulev > 0 )
3751         {
3752             if( mi_level == 1 )
3753             {
3754                 mi_level = 0;
3755                 return NULL;
3756             }
3757
3758             delete m_el[mi_level - 1];
3759             m_got = m_el[mi_level -1] = m_el[mi_level];
3760             m_el[mi_level] = NULL;
3761
3762             mi_level--;
3763             i_ulev--;
3764         }
3765         return NULL;
3766     }
3767     else if( m_el[mi_level] == NULL )
3768     {
3769         fprintf( stderr," m_el[mi_level] == NULL\n" );
3770     }
3771
3772     return m_el[mi_level];
3773 }
3774
3775
3776 /*****************************************************************************
3777  * Tools
3778  *  * LoadCues : load the cues element and update index
3779  *
3780  *  * LoadTags : load ... the tags element
3781  *
3782  *  * InformationCreate : create all information, load tags if present
3783  *
3784  *****************************************************************************/
3785 void matroska_segment_c::LoadCues( )
3786 {
3787     int64_t     i_sav_position = es.I_O().getFilePointer();
3788     EbmlParser  *ep;
3789     EbmlElement *el, *cues;
3790
3791     /* *** Load the cue if found *** */
3792     if( i_cues_position < 0 )
3793     {
3794         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3795
3796 //        IndexAppendCluster( cluster );
3797     }
3798
3799     vlc_bool_t b_seekable;
3800
3801     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3802     if( !b_seekable )
3803         return;
3804
3805     msg_Dbg( &sys.demuxer, "loading cues" );
3806     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3807     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3808
3809     if( cues == NULL )
3810     {
3811         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3812         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3813         return;
3814     }
3815
3816     ep = new EbmlParser( &es, cues, &sys.demuxer );
3817     while( ( el = ep->Get() ) != NULL )
3818     {
3819         if( MKV_IS_ID( el, KaxCuePoint ) )
3820         {
3821 #define idx p_indexes[i_index]
3822
3823             idx.i_track       = -1;
3824             idx.i_block_number= -1;
3825             idx.i_position    = -1;
3826             idx.i_time        = 0;
3827             idx.b_key         = VLC_TRUE;
3828
3829             ep->Down();
3830             while( ( el = ep->Get() ) != NULL )
3831             {
3832                 if( MKV_IS_ID( el, KaxCueTime ) )
3833                 {
3834                     KaxCueTime &ctime = *(KaxCueTime*)el;
3835
3836                     ctime.ReadData( es.I_O() );
3837
3838                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3839                 }
3840                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3841                 {
3842                     ep->Down();
3843                     while( ( el = ep->Get() ) != NULL )
3844                     {
3845                         if( MKV_IS_ID( el, KaxCueTrack ) )
3846                         {
3847                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3848
3849                             ctrack.ReadData( es.I_O() );
3850                             idx.i_track = uint16( ctrack );
3851                         }
3852                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3853                         {
3854                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3855
3856                             ccpos.ReadData( es.I_O() );
3857                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3858                         }
3859                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3860                         {
3861                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3862
3863                             cbnum.ReadData( es.I_O() );
3864                             idx.i_block_number = uint32( cbnum );
3865                         }
3866                         else
3867                         {
3868                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3869                         }
3870                     }
3871                     ep->Up();
3872                 }
3873                 else
3874                 {
3875                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3876                 }
3877             }
3878             ep->Up();
3879
3880 #if 0
3881             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3882                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3883                      idx.i_track, idx.i_block_number );
3884 #endif
3885
3886             i_index++;
3887             if( i_index >= i_index_max )
3888             {
3889                 i_index_max += 1024;
3890                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3891             }
3892 #undef idx
3893         }
3894         else
3895         {
3896             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3897         }
3898     }
3899     delete ep;
3900     delete cues;
3901
3902     b_cues = VLC_TRUE;
3903
3904     msg_Dbg( &sys.demuxer, "loading cues done." );
3905     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3906 }
3907
3908 void matroska_segment_c::LoadTags( )
3909 {
3910     int64_t     i_sav_position = es.I_O().getFilePointer();
3911     EbmlParser  *ep;
3912     EbmlElement *el, *tags;
3913
3914     msg_Dbg( &sys.demuxer, "loading tags" );
3915     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3916     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3917
3918     if( tags == NULL )
3919     {
3920         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3921         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3922         return;
3923     }
3924
3925     msg_Dbg( &sys.demuxer, "Tags" );
3926     ep = new EbmlParser( &es, tags, &sys.demuxer );
3927     while( ( el = ep->Get() ) != NULL )
3928     {
3929         if( MKV_IS_ID( el, KaxTag ) )
3930         {
3931             msg_Dbg( &sys.demuxer, "+ Tag" );
3932             ep->Down();
3933             while( ( el = ep->Get() ) != NULL )
3934             {
3935                 if( MKV_IS_ID( el, KaxTagTargets ) )
3936                 {
3937                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3938                     ep->Down();
3939                     while( ( el = ep->Get() ) != NULL )
3940                     {
3941                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3942                     }
3943                     ep->Up();
3944                 }
3945                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3946                 {
3947                     msg_Dbg( &sys.demuxer, "|   + General" );
3948                     ep->Down();
3949                     while( ( el = ep->Get() ) != NULL )
3950                     {
3951                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3952                     }
3953                     ep->Up();
3954                 }
3955                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3956                 {
3957                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3958                     ep->Down();
3959                     while( ( el = ep->Get() ) != NULL )
3960                     {
3961                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3962                     }
3963                     ep->Up();
3964                 }
3965                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3966                 {
3967                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3968                     ep->Down();
3969                     while( ( el = ep->Get() ) != NULL )
3970                     {
3971                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3972                     }
3973                     ep->Up();
3974                 }
3975                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3976                 {
3977                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3978                     ep->Down();
3979                     while( ( el = ep->Get() ) != NULL )
3980                     {
3981                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3982                     }
3983                     ep->Up();
3984                 }
3985                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3986                 {
3987                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3988                 }
3989                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3990                 {
3991                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3992                 }
3993                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3994                 {
3995                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3996                 }
3997                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3998                 {
3999                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
4000                 }
4001                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
4002                 {
4003                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
4004                 }
4005                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
4006                 {
4007                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
4008                 }
4009                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
4010                 {
4011                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
4012                 }
4013                 else
4014                 {
4015                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
4016                 }
4017             }
4018             ep->Up();
4019         }
4020         else
4021         {
4022             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
4023         }
4024     }
4025     delete ep;
4026     delete tags;
4027
4028     msg_Dbg( &sys.demuxer, "loading tags done." );
4029     es.I_O().setFilePointer( i_sav_position, seek_beginning );
4030 }
4031
4032 /*****************************************************************************
4033  * ParseSeekHead:
4034  *****************************************************************************/
4035 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
4036 {
4037     EbmlElement *el;
4038     size_t i, j;
4039     int i_upper_level = 0;
4040
4041     msg_Dbg( &sys.demuxer, "|   + Seek head" );
4042
4043     /* Master elements */
4044     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
4045
4046     for( i = 0; i < seekhead->ListSize(); i++ )
4047     {
4048         EbmlElement *l = (*seekhead)[i];
4049
4050         if( MKV_IS_ID( l, KaxSeek ) )
4051         {
4052             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
4053             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
4054             int64_t i_pos = -1;
4055
4056             for( j = 0; j < sk->ListSize(); j++ )
4057             {
4058                 EbmlElement *l = (*sk)[j];
4059
4060                 if( MKV_IS_ID( l, KaxSeekID ) )
4061                 {
4062                     KaxSeekID &sid = *(KaxSeekID*)l;
4063                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
4064                 }
4065                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
4066                 {
4067                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
4068                     i_pos = uint64( spos );
4069                 }
4070                 else
4071                 {
4072                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4073                 }
4074             }
4075
4076             if( i_pos >= 0 )
4077             {
4078                 if( id == KaxCues::ClassInfos.GlobalId )
4079                 {
4080                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
4081                     i_cues_position = segment->GetGlobalPosition( i_pos );
4082                 }
4083                 else if( id == KaxChapters::ClassInfos.GlobalId )
4084                 {
4085                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
4086                     i_chapters_position = segment->GetGlobalPosition( i_pos );
4087                 }
4088                 else if( id == KaxTags::ClassInfos.GlobalId )
4089                 {
4090                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
4091                     i_tags_position = segment->GetGlobalPosition( i_pos );
4092                 }
4093             }
4094         }
4095         else
4096         {
4097             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4098         }
4099     }
4100 }
4101
4102 /*****************************************************************************
4103  * ParseTrackEntry:
4104  *****************************************************************************/
4105 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
4106 {
4107     size_t i, j, k, n;
4108     bool bSupported = true;
4109
4110     mkv_track_t *tk;
4111
4112     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
4113
4114     tk = new mkv_track_t();
4115
4116     /* Init the track */
4117     memset( tk, 0, sizeof( mkv_track_t ) );
4118
4119     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
4120     tk->fmt.psz_language = strdup("English");
4121     tk->fmt.psz_description = NULL;
4122
4123     tk->b_default = VLC_TRUE;
4124     tk->b_enabled = VLC_TRUE;
4125     tk->b_silent = VLC_FALSE;
4126     tk->i_number = tracks.size() - 1;
4127     tk->i_extra_data = 0;
4128     tk->p_extra_data = NULL;
4129     tk->psz_codec = NULL;
4130     tk->i_default_duration = 0;
4131     tk->f_timecodescale = 1.0;
4132
4133     tk->b_inited = VLC_FALSE;
4134     tk->i_data_init = 0;
4135     tk->p_data_init = NULL;
4136
4137     tk->psz_codec_name = NULL;
4138     tk->psz_codec_settings = NULL;
4139     tk->psz_codec_info_url = NULL;
4140     tk->psz_codec_download_url = NULL;
4141
4142     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
4143     tk->p_compression_data = NULL;
4144
4145     for( i = 0; i < m->ListSize(); i++ )
4146     {
4147         EbmlElement *l = (*m)[i];
4148
4149         if( MKV_IS_ID( l, KaxTrackNumber ) )
4150         {
4151             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
4152
4153             tk->i_number = uint32( tnum );
4154             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
4155         }
4156         else  if( MKV_IS_ID( l, KaxTrackUID ) )
4157         {
4158             KaxTrackUID &tuid = *(KaxTrackUID*)l;
4159
4160             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
4161         }
4162         else  if( MKV_IS_ID( l, KaxTrackType ) )
4163         {
4164             const char *psz_type;
4165             KaxTrackType &ttype = *(KaxTrackType*)l;
4166
4167             switch( uint8(ttype) )
4168             {
4169                 case track_audio:
4170                     psz_type = "audio";
4171                     tk->fmt.i_cat = AUDIO_ES;
4172                     break;
4173                 case track_video:
4174                     psz_type = "video";
4175                     tk->fmt.i_cat = VIDEO_ES;
4176                     break;
4177                 case track_subtitle:
4178                     psz_type = "subtitle";
4179                     tk->fmt.i_cat = SPU_ES;
4180                     break;
4181                 case track_buttons:
4182                     psz_type = "buttons";
4183                     tk->fmt.i_cat = SPU_ES;
4184                     break;
4185                 default:
4186                     psz_type = "unknown";
4187                     tk->fmt.i_cat = UNKNOWN_ES;
4188                     break;
4189             }
4190
4191             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
4192         }
4193 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
4194 //        {
4195 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
4196
4197 //            tk->b_enabled = uint32( fenb );
4198 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
4199 //                     uint32( fenb )  );
4200 //        }
4201         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
4202         {
4203             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
4204
4205             tk->b_default = uint32( fdef );
4206             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
4207         }
4208         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
4209         {
4210             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
4211
4212             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
4213         }
4214         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
4215         {
4216             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
4217
4218             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
4219         }
4220         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
4221         {
4222             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
4223
4224             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
4225         }
4226         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
4227         {
4228             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
4229
4230             tk->i_default_duration = uint64(defd);
4231             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
4232         }
4233         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
4234         {
4235             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
4236
4237             tk->f_timecodescale = float( ttcs );
4238             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
4239         }
4240         else if( MKV_IS_ID( l, KaxTrackName ) )
4241         {
4242             KaxTrackName &tname = *(KaxTrackName*)l;
4243
4244             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4245             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4246         }
4247         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4248         {
4249             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4250
4251             if ( tk->fmt.psz_language != NULL )
4252                 free( tk->fmt.psz_language );
4253             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4254             msg_Dbg( &sys.demuxer,
4255                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4256         }
4257         else  if( MKV_IS_ID( l, KaxCodecID ) )
4258         {
4259             KaxCodecID &codecid = *(KaxCodecID*)l;
4260
4261             tk->psz_codec = strdup( string( codecid ).c_str() );
4262             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4263         }
4264         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4265         {
4266             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4267
4268             tk->i_extra_data = cpriv.GetSize();
4269             if( tk->i_extra_data > 0 )
4270             {
4271                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4272                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4273             }
4274             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4275         }
4276         else if( MKV_IS_ID( l, KaxCodecName ) )
4277         {
4278             KaxCodecName &cname = *(KaxCodecName*)l;
4279
4280             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4281             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4282         }
4283         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4284         {
4285             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4286             MkvTree( sys.demuxer, 3, "Content Encodings" );
4287             if ( cencs->ListSize() > 1 )
4288             {
4289                 msg_Err( &sys.demuxer, "Multiple Compression method not supported" );
4290                 bSupported = false;
4291             }
4292             for( j = 0; j < cencs->ListSize(); j++ )
4293             {
4294                 EbmlElement *l2 = (*cencs)[j];
4295                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4296                 {
4297                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4298                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4299                     for( k = 0; k < cenc->ListSize(); k++ )
4300                     {
4301                         EbmlElement *l3 = (*cenc)[k];
4302                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4303                         {
4304                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4305                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4306                         }
4307                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4308                         {
4309                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4310                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4311                         }
4312                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4313                         {
4314                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4315                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4316                         }
4317                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4318                         {
4319                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4320                             MkvTree( sys.demuxer, 5, "Content Compression" );
4321                             for( n = 0; n < compr->ListSize(); n++ )
4322                             {
4323                                 EbmlElement *l4 = (*compr)[n];
4324                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4325                                 {
4326                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4327                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4328                                     tk->i_compression_type = uint32( compalg );
4329                                     if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
4330                                          ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
4331                                     {
4332                                         msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
4333                                         bSupported = false;
4334                                     }
4335                                 }
4336                                 else if( MKV_IS_ID( l4, KaxContentCompSettings ) )
4337                                 {
4338                                     tk->p_compression_data = new KaxContentCompSettings( *(KaxContentCompSettings*)l4 );
4339                                 }
4340                                 else
4341                                 {
4342                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4343                                 }
4344                             }
4345                         }
4346                         else
4347                         {
4348                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4349                         }
4350                     }
4351                 }
4352                 else
4353                 {
4354                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4355                 }
4356             }
4357         }
4358 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4359 //        {
4360 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4361
4362 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4363 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4364 //        }
4365 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4366 //        {
4367 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4368
4369 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4370 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4371 //        }
4372 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4373 //        {
4374 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4375
4376 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4377 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4378 //        }
4379 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4380 //        {
4381 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4382
4383 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4384 //        }
4385 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4386 //        {
4387 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4388
4389 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4390 //        }
4391         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4392         {
4393             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4394             unsigned int j;
4395             unsigned int i_crop_right = 0, i_crop_left = 0, i_crop_top = 0, i_crop_bottom = 0;
4396             unsigned int i_display_unit = 0, i_display_width = 0, i_display_height = 0;
4397
4398             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4399             tk->f_fps = 0.0;
4400
4401             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4402             tk->fmt.video.i_frame_rate = 1000000;
4403
4404             for( j = 0; j < tkv->ListSize(); j++ )
4405             {
4406                 EbmlElement *l = (*tkv)[j];
4407 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4408 //                {
4409 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4410
4411 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4412 //                }
4413 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4414 //                {
4415 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4416
4417 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4418 //                }
4419 //                else
4420                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4421                 {
4422                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4423
4424                     tk->fmt.video.i_width += uint16( vwidth );
4425                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4426                 }
4427                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4428                 {
4429                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4430
4431                     tk->fmt.video.i_height += uint16( vheight );
4432                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4433                 }
4434                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4435                 {
4436                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4437
4438                     i_display_width = uint16( vwidth );
4439                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4440                 }
4441                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4442                 {
4443                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4444
4445                     i_display_height = uint16( vheight );
4446                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4447                 }
4448                 else if( MKV_IS_ID( l, KaxVideoPixelCropBottom ) )
4449                 {
4450                     KaxVideoPixelCropBottom &cropval = *(KaxVideoPixelCropBottom*)l;
4451
4452                     i_crop_bottom = uint16( cropval );
4453                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel bottom=%d", uint16( cropval ) );
4454                 }
4455                 else if( MKV_IS_ID( l, KaxVideoPixelCropTop ) )
4456                 {
4457                     KaxVideoPixelCropTop &cropval = *(KaxVideoPixelCropTop*)l;
4458
4459                     i_crop_top = uint16( cropval );
4460                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel top=%d", uint16( cropval ) );
4461                 }
4462                 else if( MKV_IS_ID( l, KaxVideoPixelCropRight ) )
4463                 {
4464                     KaxVideoPixelCropRight &cropval = *(KaxVideoPixelCropRight*)l;
4465
4466                     i_crop_right = uint16( cropval );
4467                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel right=%d", uint16( cropval ) );
4468                 }
4469                 else if( MKV_IS_ID( l, KaxVideoPixelCropLeft ) )
4470                 {
4471                     KaxVideoPixelCropLeft &cropval = *(KaxVideoPixelCropLeft*)l;
4472
4473                     i_crop_left = uint16( cropval );
4474                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel left=%d", uint16( cropval ) );
4475                 }
4476                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4477                 {
4478                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4479
4480                     tk->f_fps = float( vfps );
4481                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4482                 }
4483                 else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4484                 {
4485                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4486
4487                     i_display_unit = uint8( vdmode );
4488                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4489                              uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4490                 }
4491 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4492 //                {
4493 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4494
4495 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4496 //                }
4497 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4498 //                {
4499 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4500
4501 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + gamma=%f", float( gamma ) );
4502 //                }
4503                 else
4504                 {
4505                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4506                 }
4507             }
4508             if( i_display_height && i_display_width )
4509                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * i_display_width / i_display_height;
4510             if( i_crop_left || i_crop_right || i_crop_top || i_crop_bottom )
4511             {
4512                 tk->fmt.video.i_visible_width = tk->fmt.video.i_width;
4513                 tk->fmt.video.i_visible_height = tk->fmt.video.i_height;
4514                 tk->fmt.video.i_x_offset = i_crop_left;
4515                 tk->fmt.video.i_y_offset = i_crop_top;
4516                 tk->fmt.video.i_visible_width -= i_crop_left + i_crop_right;
4517                 tk->fmt.video.i_visible_height -= i_crop_top + i_crop_bottom;
4518             }
4519             /* FIXME: i_display_* allows you to not only set DAR, but also a zoom factor.
4520                we do not support this atm */
4521         }
4522         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4523         {
4524             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4525             unsigned int j;
4526
4527             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4528
4529             for( j = 0; j < tka->ListSize(); j++ )
4530             {
4531                 EbmlElement *l = (*tka)[j];
4532
4533                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4534                 {
4535                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4536
4537                     tk->i_original_rate = tk->fmt.audio.i_rate = (int)float( afreq );
4538                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4539                 }
4540                 else if( MKV_IS_ID( l, KaxAudioOutputSamplingFreq ) )
4541                 {
4542                     KaxAudioOutputSamplingFreq &afreq = *(KaxAudioOutputSamplingFreq*)l;
4543
4544                     tk->fmt.audio.i_rate = (int)float( afreq );
4545                     msg_Dbg( &sys.demuxer, "|   |   |   |   + aoutfreq=%d", tk->fmt.audio.i_rate );
4546                 }
4547                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4548                 {
4549                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4550
4551                     tk->fmt.audio.i_channels = uint8( achan );
4552                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4553                 }
4554                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4555                 {
4556                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4557
4558                     tk->fmt.audio.i_bitspersample = uint8( abits );
4559                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4560                 }
4561                 else
4562                 {
4563                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4564                 }
4565             }
4566         }
4567         else
4568         {
4569             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4570                      typeid(*l).name() );
4571         }
4572     }
4573
4574     if ( bSupported )
4575     {
4576         tracks.push_back( tk );
4577     }
4578     else
4579     {
4580         msg_Err( &sys.demuxer, "Track Entry %d not supported", tk->i_number );
4581         delete tk;
4582     }
4583 }
4584
4585 /*****************************************************************************
4586  * ParseTracks:
4587  *****************************************************************************/
4588 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4589 {
4590     EbmlElement *el;
4591     unsigned int i;
4592     int i_upper_level = 0;
4593
4594     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4595
4596     /* Master elements */
4597     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4598
4599     for( i = 0; i < tracks->ListSize(); i++ )
4600     {
4601         EbmlElement *l = (*tracks)[i];
4602
4603         if( MKV_IS_ID( l, KaxTrackEntry ) )
4604         {
4605             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4606         }
4607         else
4608         {
4609             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4610         }
4611     }
4612 }
4613
4614 /*****************************************************************************
4615  * ParseInfo:
4616  *****************************************************************************/
4617 void matroska_segment_c::ParseInfo( KaxInfo *info )
4618 {
4619     EbmlElement *el;
4620     EbmlMaster  *m;
4621     size_t i, j;
4622     int i_upper_level = 0;
4623
4624     msg_Dbg( &sys.demuxer, "|   + Information" );
4625
4626     /* Master elements */
4627     m = static_cast<EbmlMaster *>(info);
4628     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4629
4630     for( i = 0; i < m->ListSize(); i++ )
4631     {
4632         EbmlElement *l = (*m)[i];
4633
4634         if( MKV_IS_ID( l, KaxSegmentUID ) )
4635         {
4636             if ( p_segment_uid == NULL )
4637                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4638
4639             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4640         }
4641         else if( MKV_IS_ID( l, KaxPrevUID ) )
4642         {
4643             if ( p_prev_segment_uid == NULL )
4644                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4645
4646             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4647         }
4648         else if( MKV_IS_ID( l, KaxNextUID ) )
4649         {
4650             if ( p_next_segment_uid == NULL )
4651                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4652
4653             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4654         }
4655         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4656         {
4657             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4658
4659             i_timescale = uint64(tcs);
4660
4661             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4662                      i_timescale );
4663         }
4664         else if( MKV_IS_ID( l, KaxDuration ) )
4665         {
4666             KaxDuration &dur = *(KaxDuration*)l;
4667
4668             i_duration = mtime_t( double( dur ) );
4669
4670             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4671                      i_duration );
4672         }
4673         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4674         {
4675             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4676
4677             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4678
4679             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4680                      psz_muxing_application );
4681         }
4682         else if( MKV_IS_ID( l, KaxWritingApp ) )
4683         {
4684             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4685
4686             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4687
4688             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4689                      psz_writing_application );
4690         }
4691         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4692         {
4693             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4694
4695             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4696
4697             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4698                      psz_segment_filename );
4699         }
4700         else if( MKV_IS_ID( l, KaxTitle ) )
4701         {
4702             KaxTitle &title = *(KaxTitle*)l;
4703
4704             psz_title = ToUTF8( UTFstring( title ) );
4705
4706             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4707         }
4708         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4709         {
4710             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4711
4712             families.push_back( new KaxSegmentFamily(*uid) );
4713
4714             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4715         }
4716 #if defined( HAVE_GMTIME_R ) && !defined( __APPLE__ )
4717         else if( MKV_IS_ID( l, KaxDateUTC ) )
4718         {
4719             KaxDateUTC &date = *(KaxDateUTC*)l;
4720             time_t i_date;
4721             struct tm tmres;
4722             char   buffer[256];
4723
4724             i_date = date.GetEpochDate();
4725             memset( buffer, 0, 256 );
4726             if( gmtime_r( &i_date, &tmres ) &&
4727                 asctime_r( &tmres, buffer ) )
4728             {
4729                 buffer[strlen( buffer)-1]= '\0';
4730                 psz_date_utc = strdup( buffer );
4731                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4732             }
4733         }
4734 #endif
4735 #if LIBMATROSKA_VERSION >= 0x000704
4736         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4737         {
4738             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4739             chapter_translation_c *p_translate = new chapter_translation_c();
4740
4741             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4742             for( j = 0; j < p_trans->ListSize(); j++ )
4743             {
4744                 EbmlElement *l = (*p_trans)[j];
4745
4746                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4747                 {
4748                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4749                 }
4750                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4751                 {
4752                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4753                 }
4754                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4755                 {
4756                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4757                 }
4758             }
4759
4760             translations.push_back( p_translate );
4761         }
4762 #endif
4763         else
4764         {
4765             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4766         }
4767     }
4768
4769     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4770     i_duration = mtime_t(f_dur);
4771 }
4772
4773
4774 /*****************************************************************************
4775  * ParseChapterAtom
4776  *****************************************************************************/
4777 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4778 {
4779     size_t i, j;
4780
4781     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4782     for( i = 0; i < ca->ListSize(); i++ )
4783     {
4784         EbmlElement *l = (*ca)[i];
4785
4786         if( MKV_IS_ID( l, KaxChapterUID ) )
4787         {
4788             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4789             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4790         }
4791         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4792         {
4793             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4794             chapters.b_display_seekpoint = uint8( flag ) == 0;
4795
4796             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4797         }
4798         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4799         {
4800             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4801             chapters.i_start_time = uint64( start ) / I64C(1000);
4802
4803             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4804         }
4805         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4806         {
4807             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4808             chapters.i_end_time = uint64( end ) / I64C(1000);
4809
4810             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4811         }
4812         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4813         {
4814             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4815
4816             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4817             for( j = 0; j < cd->ListSize(); j++ )
4818             {
4819                 EbmlElement *l= (*cd)[j];
4820
4821                 if( MKV_IS_ID( l, KaxChapterString ) )
4822                 {
4823                     int k;
4824
4825                     KaxChapterString &name =*(KaxChapterString*)l;
4826                     for (k = 0; k < i_level; k++)
4827                         chapters.psz_name += '+';
4828                     chapters.psz_name += ' ';
4829                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4830                     chapters.psz_name += psz_tmp_utf8;
4831                     chapters.b_user_display = true;
4832
4833                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4834                     free( psz_tmp_utf8 );
4835                 }
4836                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4837                 {
4838                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4839                     const char *psz = string( lang ).c_str();
4840
4841                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4842                 }
4843                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4844                 {
4845                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4846                     const char *psz = string( ct ).c_str();
4847
4848                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4849                 }
4850             }
4851         }
4852         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4853         {
4854             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4855
4856             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4857             chapter_codec_cmds_c *p_ccodec = NULL;
4858
4859             for( j = 0; j < cp->ListSize(); j++ )
4860             {
4861                 EbmlElement *k= (*cp)[j];
4862
4863                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4864                 {
4865                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4866                     if ( uint32(*p_codec_id) == 0 )
4867                         p_ccodec = new matroska_script_codec_c( sys );
4868                     else if ( uint32(*p_codec_id) == 1 )
4869                         p_ccodec = new dvd_chapter_codec_c( sys );
4870                     break;
4871                 }
4872             }
4873
4874             if ( p_ccodec != NULL )
4875             {
4876                 for( j = 0; j < cp->ListSize(); j++ )
4877                 {
4878                     EbmlElement *k= (*cp)[j];
4879
4880                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4881                     {
4882                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4883                         p_ccodec->SetPrivate( *p_private );
4884                     }
4885                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4886                     {
4887                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4888                     }
4889                 }
4890                 chapters.codecs.push_back( p_ccodec );
4891             }
4892         }
4893         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4894         {
4895             chapter_item_c *new_sub_chapter = new chapter_item_c();
4896             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4897             new_sub_chapter->psz_parent = &chapters;
4898             chapters.sub_chapters.push_back( new_sub_chapter );
4899         }
4900     }
4901 }
4902
4903 /*****************************************************************************
4904  * ParseChapters:
4905  *****************************************************************************/
4906 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4907 {
4908     EbmlElement *el;
4909     size_t i;
4910     int i_upper_level = 0;
4911     mtime_t i_dur;
4912
4913     /* Master elements */
4914     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4915
4916     for( i = 0; i < chapters->ListSize(); i++ )
4917     {
4918         EbmlElement *l = (*chapters)[i];
4919
4920         if( MKV_IS_ID( l, KaxEditionEntry ) )
4921         {
4922             chapter_edition_c *p_edition = new chapter_edition_c();
4923
4924             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4925             size_t j;
4926             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4927             for( j = 0; j < E->ListSize(); j++ )
4928             {
4929                 EbmlElement *l = (*E)[j];
4930
4931                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4932                 {
4933                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4934                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4935                     p_edition->sub_chapters.push_back( new_sub_chapter );
4936                 }
4937                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4938                 {
4939                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4940                 }
4941                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4942                 {
4943                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4944                 }
4945                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4946                 {
4947                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4948                         i_default_edition = stored_editions.size();
4949                 }
4950                 else
4951                 {
4952                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4953                 }
4954             }
4955             stored_editions.push_back( p_edition );
4956         }
4957         else
4958         {
4959             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4960         }
4961     }
4962
4963     for( i = 0; i < stored_editions.size(); i++ )
4964     {
4965         stored_editions[i]->RefreshChapters( );
4966     }
4967
4968     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4969     {
4970         /* update the duration of the segment according to the sum of all sub chapters */
4971         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4972         if (i_dur > 0)
4973             i_duration = i_dur;
4974     }
4975 }
4976
4977 void matroska_segment_c::ParseCluster( )
4978 {
4979     EbmlElement *el;
4980     EbmlMaster  *m;
4981     unsigned int i;
4982     int i_upper_level = 0;
4983
4984     /* Master elements */
4985     m = static_cast<EbmlMaster *>( cluster );
4986     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4987
4988     for( i = 0; i < m->ListSize(); i++ )
4989     {
4990         EbmlElement *l = (*m)[i];
4991
4992         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4993         {
4994             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4995
4996             cluster->InitTimecode( uint64( ctc ), i_timescale );
4997             break;
4998         }
4999     }
5000
5001     i_start_time = cluster->GlobalTimecode() / 1000;
5002 }
5003
5004 /*****************************************************************************
5005  * InformationCreate:
5006  *****************************************************************************/
5007 void matroska_segment_c::InformationCreate( )
5008 {
5009     sys.meta = vlc_meta_New();
5010
5011     if( psz_title )
5012     {
5013         vlc_meta_SetTitle( sys.meta, psz_title );
5014     }
5015     if( psz_date_utc )
5016     {
5017         vlc_meta_SetDate( sys.meta, psz_date_utc );
5018     }
5019 #if 0
5020     if( psz_segment_filename )
5021     {
5022         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5023     }
5024     if( psz_muxing_application )
5025     {
5026         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5027     }
5028     if( psz_writing_application )
5029     {
5030         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5031     }
5032
5033     for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
5034     {
5035 //        mkv_track_t *tk = tracks[i_track];
5036 //        vlc_meta_t *mtk = vlc_meta_New();
5037         fprintf( stderr, "***** WARNING: Unhandled child meta\n");
5038     }
5039 #endif
5040
5041     if( i_tags_position >= 0 )
5042     {
5043         vlc_bool_t b_seekable;
5044
5045         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
5046         if( b_seekable )
5047         {
5048             LoadTags( );
5049         }
5050     }
5051 }
5052
5053
5054 /*****************************************************************************
5055  * Divers
5056  *****************************************************************************/
5057
5058 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
5059 {
5060 #define idx p_indexes[i_index]
5061     idx.i_track       = -1;
5062     idx.i_block_number= -1;
5063     idx.i_position    = cluster->GetElementPosition();
5064     idx.i_time        = -1;
5065     idx.b_key         = VLC_TRUE;
5066
5067     i_index++;
5068     if( i_index >= i_index_max )
5069     {
5070         i_index_max += 1024;
5071         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
5072     }
5073 #undef idx
5074 }
5075
5076 void chapter_edition_c::RefreshChapters( )
5077 {
5078     chapter_item_c::RefreshChapters( b_ordered, -1 );
5079     b_display_seekpoint = false;
5080 }
5081
5082 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
5083 {
5084     int64_t i_user_time = i_prev_user_time;
5085
5086     // first the sub-chapters, and then ourself
5087     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5088     while ( index != sub_chapters.end() )
5089     {
5090         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
5091         index++;
5092     }
5093
5094     if ( b_ordered )
5095     {
5096         // the ordered chapters always start at zero
5097         if ( i_prev_user_time == -1 )
5098         {
5099             if ( i_user_time == -1 )
5100                 i_user_time = 0;
5101             i_prev_user_time = 0;
5102         }
5103
5104         i_user_start_time = i_prev_user_time;
5105         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
5106         {
5107             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
5108         }
5109         else
5110         {
5111             i_user_end_time = i_user_time;
5112         }
5113     }
5114     else
5115     {
5116         if ( sub_chapters.begin() != sub_chapters.end() )
5117             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
5118         i_user_start_time = i_start_time;
5119         if ( i_end_time != -1 )
5120             i_user_end_time = i_end_time;
5121         else if ( i_user_time != -1 )
5122             i_user_end_time = i_user_time;
5123         else
5124             i_user_end_time = i_user_start_time;
5125     }
5126
5127     return i_user_end_time;
5128 }
5129
5130 mtime_t chapter_edition_c::Duration() const
5131 {
5132     mtime_t i_result = 0;
5133
5134     if ( sub_chapters.size() )
5135     {
5136         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
5137         index--;
5138         i_result = (*index)->i_user_end_time;
5139     }
5140
5141     return i_result;
5142 }
5143
5144 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
5145 {
5146     if ( !b_ordered )
5147         p_current = NULL;
5148     bool b_found_current = false;
5149     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
5150 }
5151
5152 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
5153 {
5154     chapter_item_c *psz_result = NULL;
5155
5156     if ( p_current == this )
5157         b_found = true;
5158
5159     if ( i_user_timecode >= i_user_start_time &&
5160         ( i_user_timecode < i_user_end_time ||
5161           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
5162     {
5163         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5164         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
5165         {
5166             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
5167             index++;
5168         }
5169
5170         if ( psz_result == NULL )
5171             psz_result = this;
5172     }
5173
5174     return psz_result;
5175 }
5176
5177 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
5178 {
5179     if ( &item == this )
5180         return true;
5181
5182     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
5183     while ( index != sub_chapters.end() )
5184     {
5185         if ( (*index)->ParentOf( item ) )
5186             return true;
5187         index++;
5188     }
5189
5190     return false;
5191 }
5192
5193 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
5194 {
5195     for (size_t i=0; i<opened_segments.size(); i++)
5196     {
5197         opened_segments[i]->PreloadFamily( of_segment );
5198     }
5199 }
5200 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
5201 {
5202     if ( b_preloaded )
5203         return false;
5204
5205     for (size_t i=0; i<families.size(); i++)
5206     {
5207         for (size_t j=0; j<of_segment.families.size(); j++)
5208         {
5209             if ( *(families[i]) == *(of_segment.families[j]) )
5210                 return Preload( );
5211         }
5212     }
5213
5214     return false;
5215 }
5216
5217 // preload all the linked segments for all preloaded segments
5218 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
5219 {
5220     size_t i_preloaded, i, j;
5221     virtual_segment_c *p_seg;
5222
5223     p_current_segment = VirtualFromSegments( p_segment );
5224
5225     used_segments.push_back( p_current_segment );
5226
5227     // create all the other virtual segments of the family
5228     do {
5229         i_preloaded = 0;
5230         for ( i=0; i< opened_segments.size(); i++ )
5231         {
5232             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
5233             {
5234                 p_seg = VirtualFromSegments( opened_segments[i] );
5235                 used_segments.push_back( p_seg );
5236                 i_preloaded++;
5237             }
5238         }
5239     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
5240
5241     // publish all editions of all usable segment
5242     for ( i=0; i< used_segments.size(); i++ )
5243     {
5244         p_seg = used_segments[i];
5245         if ( p_seg->p_editions != NULL )
5246         {
5247             std::string sz_name;
5248             input_title_t *p_title = vlc_input_title_New();
5249             p_seg->i_sys_title = i;
5250             int i_chapters;
5251
5252             // TODO use a name for each edition, let the TITLE deal with a codec name
5253             for ( j=0; j<p_seg->p_editions->size(); j++ )
5254             {
5255                 if ( p_title->psz_name == NULL )
5256                 {
5257                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
5258                     if ( sz_name != "" )
5259                         p_title->psz_name = strdup( sz_name.c_str() );
5260                 }
5261
5262                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
5263
5264                 i_chapters = 0;
5265                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
5266             }
5267
5268             // create a name if there is none
5269             if ( p_title->psz_name == NULL )
5270             {
5271                 sz_name = N_("Segment");
5272                 char psz_str[6];
5273                 sprintf( psz_str, " %d", (int)i );
5274                 sz_name += psz_str;
5275                 p_title->psz_name = strdup( sz_name.c_str() );
5276             }
5277
5278             titles.push_back( p_title );
5279         }
5280     }
5281
5282     // TODO decide which segment should be first used (VMG for DVD)
5283 }
5284
5285 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5286 {
5287     for ( size_t i=0; i< used_segments.size(); i++ )
5288     {
5289         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5290             return true;
5291     }
5292     return false;
5293 }
5294
5295 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5296 {
5297     size_t i_preloaded, i;
5298
5299     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5300
5301     // fill our current virtual segment with all hard linked segments
5302     do {
5303         i_preloaded = 0;
5304         for ( i=0; i< opened_segments.size(); i++ )
5305         {
5306             i_preloaded += p_result->AddSegment( opened_segments[i] );
5307         }
5308     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5309
5310     p_result->Sort( );
5311
5312     p_result->PreloadLinked( );
5313
5314     p_result->PrepareChapters( );
5315
5316     return p_result;
5317 }
5318
5319 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5320 {
5321     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5322     {
5323         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5324             p_current_segment->Segment()->UnSelect();
5325
5326         p_current_segment = p_new_segment;
5327         i_current_title = p_new_segment->i_sys_title;
5328     }
5329
5330     p_current_segment->LoadCues();
5331     f_duration = p_current_segment->Duration();
5332
5333     /* add information */
5334     p_current_segment->Segment()->InformationCreate( );
5335
5336     p_current_segment->Segment()->Select( 0 );
5337
5338     return true;
5339 }
5340
5341 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5342 {
5343     // if the segment is not part of the current segment, select the new one
5344     if ( &vsegment != p_current_segment )
5345     {
5346         PreparePlayback( &vsegment );
5347     }
5348
5349     if ( p_chapter != NULL )
5350     {
5351         if ( !p_chapter->Enter( true ) )
5352         {
5353             // jump to the location in the found segment
5354             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5355         }
5356     }
5357
5358 }
5359
5360 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5361 {
5362     EbmlBinary *p_tmp;
5363
5364     if ( p_item_a == NULL || p_item_b == NULL )
5365         return false;
5366
5367     p_tmp = (EbmlBinary *)p_item_a->p_segment_uid;
5368     if ( p_item_b->p_prev_segment_uid != NULL
5369           && *p_tmp == *p_item_b->p_prev_segment_uid )
5370         return true;
5371
5372     p_tmp = (EbmlBinary *)p_item_a->p_next_segment_uid;
5373     if ( !p_tmp )
5374         return false;
5375
5376     if ( p_item_b->p_segment_uid != NULL
5377           && *p_tmp == *p_item_b->p_segment_uid )
5378         return true;
5379
5380     if ( p_item_b->p_prev_segment_uid != NULL
5381           && *p_tmp == *p_item_b->p_prev_segment_uid )
5382         return true;
5383
5384     return false;
5385 }
5386
5387 bool matroska_segment_c::Preload( )
5388 {
5389     if ( b_preloaded )
5390         return false;
5391
5392     EbmlElement *el = NULL;
5393
5394     ep->Reset( &sys.demuxer );
5395
5396     while( ( el = ep->Get() ) != NULL )
5397     {
5398         if( MKV_IS_ID( el, KaxInfo ) )
5399         {
5400             ParseInfo( static_cast<KaxInfo*>( el ) );
5401         }
5402         else if( MKV_IS_ID( el, KaxTracks ) )
5403         {
5404             ParseTracks( static_cast<KaxTracks*>( el ) );
5405             if ( tracks.size() == 0 )
5406             {
5407                 msg_Err( &sys.demuxer, "No tracks supported" );
5408                 return false;
5409             }
5410         }
5411         else if( MKV_IS_ID( el, KaxSeekHead ) )
5412         {
5413             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5414         }
5415         else if( MKV_IS_ID( el, KaxCues ) )
5416         {
5417             msg_Dbg( &sys.demuxer, "|   + Cues" );
5418         }
5419         else if( MKV_IS_ID( el, KaxCluster ) )
5420         {
5421             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5422
5423             cluster = (KaxCluster*)el;
5424
5425             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5426             ParseCluster( );
5427
5428             ep->Down();
5429             /* stop parsing the stream */
5430             break;
5431         }
5432         else if( MKV_IS_ID( el, KaxAttachments ) )
5433         {
5434             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5435         }
5436         else if( MKV_IS_ID( el, KaxChapters ) )
5437         {
5438             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5439             ParseChapters( static_cast<KaxChapters*>( el ) );
5440         }
5441         else if( MKV_IS_ID( el, KaxTag ) )
5442         {
5443             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5444         }
5445         else
5446         {
5447             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5448         }
5449     }
5450
5451     b_preloaded = true;
5452
5453     return true;
5454 }
5455
5456 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5457 {
5458     for (size_t i=0; i<opened_segments.size(); i++)
5459     {
5460         if ( *opened_segments[i]->p_segment_uid == uid )
5461             return opened_segments[i];
5462     }
5463     return NULL;
5464 }
5465
5466 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5467                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5468                                         const void *p_cookie,
5469                                         size_t i_cookie_size,
5470                                         virtual_segment_c * &p_segment_found )
5471 {
5472     chapter_item_c *p_result = NULL;
5473     for (size_t i=0; i<used_segments.size(); i++)
5474     {
5475         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5476         if ( p_result != NULL )
5477         {
5478             p_segment_found = used_segments[i];
5479             break;
5480         }
5481     }
5482     return p_result;
5483 }
5484
5485 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5486 {
5487     chapter_item_c *p_result = NULL;
5488     for (size_t i=0; i<used_segments.size(); i++)
5489     {
5490         p_result = used_segments[i]->FindChapter( i_find_uid );
5491         if ( p_result != NULL )
5492         {
5493             p_segment_found = used_segments[i];
5494             break;
5495         }
5496     }
5497     return p_result;
5498 }
5499
5500 void virtual_segment_c::Sort()
5501 {
5502     // keep the current segment index
5503     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5504
5505     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5506
5507     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5508         if ( linked_segments[i_current_segment] == p_segment )
5509             break;
5510 }
5511
5512 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5513 {
5514     size_t i;
5515     // check if it's not already in here
5516     for ( i=0; i<linked_segments.size(); i++ )
5517     {
5518         if ( linked_segments[i]->p_segment_uid != NULL
5519             && p_segment->p_segment_uid != NULL
5520             && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5521             return 0;
5522     }
5523
5524     // find possible mates
5525     for ( i=0; i<linked_uids.size(); i++ )
5526     {
5527         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5528             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5529             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5530         {
5531             linked_segments.push_back( p_segment );
5532
5533             AppendUID( p_segment->p_prev_segment_uid );
5534             AppendUID( p_segment->p_next_segment_uid );
5535
5536             return 1;
5537         }
5538     }
5539     return 0;
5540 }
5541
5542 void virtual_segment_c::PreloadLinked( )
5543 {
5544     for ( size_t i=0; i<linked_segments.size(); i++ )
5545     {
5546         linked_segments[i]->Preload( );
5547     }
5548     i_current_edition = linked_segments[0]->i_default_edition;
5549 }
5550
5551 mtime_t virtual_segment_c::Duration() const
5552 {
5553     mtime_t i_duration;
5554     if ( linked_segments.size() == 0 )
5555         i_duration = 0;
5556     else {
5557         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5558 //        p_last_segment->ParseCluster( );
5559
5560         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5561     }
5562     return i_duration;
5563 }
5564
5565 void virtual_segment_c::LoadCues( )
5566 {
5567     for ( size_t i=0; i<linked_segments.size(); i++ )
5568     {
5569         linked_segments[i]->LoadCues();
5570     }
5571 }
5572
5573 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5574 {
5575     if ( p_UID == NULL )
5576         return;
5577     if ( p_UID->GetBuffer() == NULL )
5578         return;
5579
5580     for (size_t i=0; i<linked_uids.size(); i++)
5581     {
5582         if ( *p_UID == linked_uids[i] )
5583             return;
5584     }
5585     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5586 }
5587
5588 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5589 {
5590     KaxBlock    *block;
5591 #if LIBMATROSKA_VERSION >= 0x000800
5592     KaxSimpleBlock *simpleblock;
5593 #endif
5594     int         i_track_skipping;
5595     int64_t     i_block_duration;
5596     int64_t     i_block_ref1;
5597     int64_t     i_block_ref2;
5598     size_t      i_track;
5599     int64_t     i_seek_position = i_start_pos;
5600     int64_t     i_seek_time = i_start_time;
5601
5602     if ( i_index > 0 )
5603     {
5604         int i_idx = 0;
5605
5606         for( ; i_idx < i_index; i_idx++ )
5607         {
5608             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5609             {
5610                 break;
5611             }
5612         }
5613
5614         if( i_idx > 0 )
5615         {
5616             i_idx--;
5617         }
5618
5619         i_seek_position = p_indexes[i_idx].i_position;
5620         i_seek_time = p_indexes[i_idx].i_time;
5621     }
5622
5623     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5624                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5625
5626     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5627
5628     delete ep;
5629     ep = new EbmlParser( &es, segment, &sys.demuxer );
5630     cluster = NULL;
5631
5632     sys.i_start_pts = i_date;
5633
5634     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5635
5636     /* now parse until key frame */
5637     i_track_skipping = 0;
5638     for( i_track = 0; i_track < tracks.size(); i_track++ )
5639     {
5640         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5641         {
5642             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5643             i_track_skipping++;
5644         }
5645         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5646     }
5647
5648
5649     while( i_track_skipping > 0 )
5650     {
5651 #if LIBMATROSKA_VERSION >= 0x000800
5652         if( BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5653 #else
5654         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5655 #endif
5656         {
5657             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5658
5659             return;
5660         }
5661         ep->Down();
5662
5663         for( i_track = 0; i_track < tracks.size(); i_track++ )
5664         {
5665             if( tracks[i_track]->i_number == block->TrackNum() )
5666             {
5667                 break;
5668             }
5669         }
5670
5671         sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5672
5673         if( i_track < tracks.size() )
5674         {
5675            if( sys.i_pts >= sys.i_start_pts )
5676             {
5677                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5678                 i_track_skipping = 0;
5679             }
5680             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5681             {
5682                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5683                 {
5684                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5685                     i_track_skipping--;
5686                 }
5687                 if( !tracks[i_track]->b_search_keyframe )
5688                 {
5689 #if LIBMATROSKA_VERSION >= 0x000800
5690                     BlockDecode( &sys.demuxer, block, simpleblock, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5691 #else
5692                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5693 #endif
5694                 }
5695             }
5696         }
5697
5698         delete block;
5699     }
5700 }
5701
5702 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5703 {
5704     demux_sys_t *p_sys = demuxer.p_sys;
5705     size_t i;
5706
5707     // find the actual time for an ordered edition
5708     if ( psz_chapter == NULL )
5709     {
5710         if ( Edition() && Edition()->b_ordered )
5711         {
5712             /* 1st, we need to know in which chapter we are */
5713             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5714         }
5715     }
5716
5717     if ( psz_chapter != NULL )
5718     {
5719         psz_current_chapter = psz_chapter;
5720         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5721         if ( psz_chapter->i_seekpoint_num > 0 )
5722         {
5723             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5724             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5725             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5726         }
5727     }
5728
5729     // find the best matching segment
5730     for ( i=0; i<linked_segments.size(); i++ )
5731     {
5732         if ( i_date < linked_segments[i]->i_start_time )
5733             break;
5734     }
5735
5736     if ( i > 0 )
5737         i--;
5738
5739     if ( i_current_segment != i  )
5740     {
5741         linked_segments[i_current_segment]->UnSelect();
5742         linked_segments[i]->Select( i_date );
5743         i_current_segment = i;
5744     }
5745
5746     linked_segments[i]->Seek( i_date, i_time_offset );
5747 }
5748
5749 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5750 {
5751     size_t i;
5752
5753     uint32 codec_time = uint32(-1);
5754     for( i = 0; i < command.ListSize(); i++ )
5755     {
5756         const EbmlElement *k = command[i];
5757
5758         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5759         {
5760             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5761             break;
5762         }
5763     }
5764
5765     for( i = 0; i < command.ListSize(); i++ )
5766     {
5767         const EbmlElement *k = command[i];
5768
5769         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5770         {
5771             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5772             switch ( codec_time )
5773             {
5774             case 0:
5775                 during_cmds.push_back( p_data );
5776                 break;
5777             case 1:
5778                 enter_cmds.push_back( p_data );
5779                 break;
5780             case 2:
5781                 leave_cmds.push_back( p_data );
5782                 break;
5783             default:
5784                 delete p_data;
5785             }
5786         }
5787     }
5788 }
5789
5790 bool chapter_item_c::Enter( bool b_do_subs )
5791 {
5792     bool f_result = false;
5793     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5794     while ( index != codecs.end() )
5795     {
5796         f_result |= (*index)->Enter();
5797         index++;
5798     }
5799
5800     if ( b_do_subs )
5801     {
5802         // sub chapters
5803         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5804         while ( index_ != sub_chapters.end() )
5805         {
5806             f_result |= (*index_)->Enter( true );
5807             index_++;
5808         }
5809     }
5810     return f_result;
5811 }
5812
5813 bool chapter_item_c::Leave( bool b_do_subs )
5814 {
5815     bool f_result = false;
5816     b_is_leaving = true;
5817     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5818     while ( index != codecs.end() )
5819     {
5820         f_result |= (*index)->Leave();
5821         index++;
5822     }
5823
5824     if ( b_do_subs )
5825     {
5826         // sub chapters
5827         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5828         while ( index_ != sub_chapters.end() )
5829         {
5830             f_result |= (*index_)->Leave( true );
5831             index_++;
5832         }
5833     }
5834     b_is_leaving = false;
5835     return f_result;
5836 }
5837
5838 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5839 {
5840     chapter_item_c *p_common_parent = p_item;
5841
5842     // leave, up to a common parent
5843     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5844     {
5845         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5846             return true;
5847         p_common_parent = p_common_parent->psz_parent;
5848     }
5849
5850     // enter from the parent to <this>
5851     if ( p_common_parent != NULL )
5852     {
5853         do
5854         {
5855             if ( p_common_parent == this )
5856                 return Enter( true );
5857
5858             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5859             {
5860                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5861                 {
5862                     p_common_parent = p_common_parent->sub_chapters[i];
5863                     if ( p_common_parent != this )
5864                         if ( p_common_parent->Enter( false ) )
5865                             return true;
5866
5867                     break;
5868                 }
5869             }
5870         } while ( 1 );
5871     }
5872
5873     if ( b_final_enter )
5874         return Enter( true );
5875     else
5876         return false;
5877 }
5878
5879 bool dvd_chapter_codec_c::Enter()
5880 {
5881     bool f_result = false;
5882     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5883     while ( index != enter_cmds.end() )
5884     {
5885         if ( (*index)->GetSize() )
5886         {
5887             binary *p_data = (*index)->GetBuffer();
5888             size_t i_size = *p_data++;
5889             // avoid reading too much from the buffer
5890             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5891             for ( ; i_size > 0; i_size--, p_data += 8 )
5892             {
5893                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5894                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5895             }
5896         }
5897         index++;
5898     }
5899     return f_result;
5900 }
5901
5902 bool dvd_chapter_codec_c::Leave()
5903 {
5904     bool f_result = false;
5905     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5906     while ( index != leave_cmds.end() )
5907     {
5908         if ( (*index)->GetSize() )
5909         {
5910             binary *p_data = (*index)->GetBuffer();
5911             size_t i_size = *p_data++;
5912             // avoid reading too much from the buffer
5913             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5914             for ( ; i_size > 0; i_size--, p_data += 8 )
5915             {
5916                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5917                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5918             }
5919         }
5920         index++;
5921     }
5922     return f_result;
5923 }
5924
5925 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5926 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5927 {
5928     if ( i_size != 8 )
5929         return false;
5930
5931     virtual_segment_c *p_segment = NULL;
5932     chapter_item_c *p_chapter = NULL;
5933     bool f_result = false;
5934     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5935
5936     // handle register tests if there are some
5937     if ( (i_command & 0xF0) != 0 )
5938     {
5939         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5940         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5941         uint8 i_test = i_command & 0x70;
5942         uint16 i_value;
5943
5944         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5945         uint8  i_cr1;
5946         uint16 i_cr2;
5947         switch ( i_command >> 12 )
5948         {
5949         default:
5950             i_cr1 = p_command[3];
5951             i_cr2 = (p_command[4] << 8) + p_command[5];
5952             break;
5953         case 3:
5954         case 4:
5955         case 5:
5956             i_cr1 = p_command[6];
5957             i_cr2 = p_command[7];
5958             b_test_value = false;
5959             break;
5960         case 6:
5961         case 7:
5962             if ( ((p_command[1] >> 4) & 0x7) == 0)
5963             {
5964                 i_cr1 = p_command[2];
5965                 i_cr2 = (p_command[6] << 8) + p_command[7];
5966             }
5967             else
5968             {
5969                 i_cr1 = p_command[2];
5970                 i_cr2 = (p_command[6] << 8) + p_command[7];
5971             }
5972             break;
5973         }
5974
5975         if ( b_test_value )
5976             i_value = i_cr2;
5977         else
5978             i_value = GetPRM( i_cr2 );
5979
5980         switch ( i_test )
5981         {
5982         case CMD_DVD_IF_GPREG_EQUAL:
5983             // if equals
5984             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5985             if (!( GetPRM( i_cr1 ) == i_value ))
5986             {
5987                 b_test_positive = false;
5988             }
5989             break;
5990         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5991             // if not equals
5992             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5993             if (!( GetPRM( i_cr1 ) != i_value ))
5994             {
5995                 b_test_positive = false;
5996             }
5997             break;
5998         case CMD_DVD_IF_GPREG_INF:
5999             // if inferior
6000             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6001             if (!( GetPRM( i_cr1 ) < i_value ))
6002             {
6003                 b_test_positive = false;
6004             }
6005             break;
6006         case CMD_DVD_IF_GPREG_INF_EQUAL:
6007             // if inferior or equal
6008             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6009             if (!( GetPRM( i_cr1 ) <= i_value ))
6010             {
6011                 b_test_positive = false;
6012             }
6013             break;
6014         case CMD_DVD_IF_GPREG_AND:
6015             // if logical and
6016             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6017             if (!( GetPRM( i_cr1 ) & i_value ))
6018             {
6019                 b_test_positive = false;
6020             }
6021             break;
6022         case CMD_DVD_IF_GPREG_SUP:
6023             // if superior
6024             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6025             if (!( GetPRM( i_cr1 ) > i_value ))
6026             {
6027                 b_test_positive = false;
6028             }
6029             break;
6030         case CMD_DVD_IF_GPREG_SUP_EQUAL:
6031             // if superior or equal
6032             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6033             if (!( GetPRM( i_cr1 ) >= i_value ))
6034             {
6035                 b_test_positive = false;
6036             }
6037             break;
6038         }
6039
6040         if ( !b_test_positive )
6041             return false;
6042     }
6043
6044     // strip the test command
6045     i_command &= 0xFF0F;
6046
6047     switch ( i_command )
6048     {
6049     case CMD_DVD_NOP:
6050     case CMD_DVD_NOP2:
6051         {
6052             msg_Dbg( &sys.demuxer, "NOP" );
6053             break;
6054         }
6055     case CMD_DVD_BREAK:
6056         {
6057             msg_Dbg( &sys.demuxer, "Break" );
6058             // TODO
6059             break;
6060         }
6061     case CMD_DVD_JUMP_TT:
6062         {
6063             uint8 i_title = p_command[5];
6064             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
6065
6066             // find in the ChapProcessPrivate matching this Title level
6067             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
6068             if ( p_segment != NULL )
6069             {
6070                 sys.JumpTo( *p_segment, p_chapter );
6071                 f_result = true;
6072             }
6073
6074             break;
6075         }
6076     case CMD_DVD_CALLSS_VTSM1:
6077         {
6078             msg_Dbg( &sys.demuxer, "CallSS" );
6079             binary p_type;
6080             switch( (p_command[6] & 0xC0) >> 6 ) {
6081                 case 0:
6082                     p_type = p_command[5] & 0x0F;
6083                     switch ( p_type )
6084                     {
6085                     case 0x00:
6086                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
6087                         break;
6088                     case 0x02:
6089                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
6090                         break;
6091                     case 0x03:
6092                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
6093                         break;
6094                     case 0x04:
6095                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
6096                         break;
6097                     case 0x05:
6098                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
6099                         break;
6100                     case 0x06:
6101                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
6102                         break;
6103                     case 0x07:
6104                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
6105                         break;
6106                     default:
6107                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
6108                         break;
6109                     }
6110                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
6111                     if ( p_segment != NULL )
6112                     {
6113                         sys.JumpTo( *p_segment, p_chapter );
6114                         f_result = true;
6115                     }
6116                 break;
6117                 case 1:
6118                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6119                 break;
6120                 case 2:
6121                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6122                 break;
6123                 case 3:
6124                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
6125                 break;
6126             }
6127             break;
6128         }
6129     case CMD_DVD_JUMP_SS:
6130         {
6131             msg_Dbg( &sys.demuxer, "JumpSS");
6132             binary p_type;
6133             switch( (p_command[5] & 0xC0) >> 6 ) {
6134                 case 0:
6135                     msg_Dbg( &sys.demuxer, "JumpSS FP");
6136                 break;
6137                 case 1:
6138                     p_type = p_command[5] & 0x0F;
6139                     switch ( p_type )
6140                     {
6141                     case 0x02:
6142                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
6143                         break;
6144                     case 0x03:
6145                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
6146                         break;
6147                     case 0x04:
6148                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
6149                         break;
6150                     case 0x05:
6151                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
6152                         break;
6153                     case 0x06:
6154                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
6155                         break;
6156                     case 0x07:
6157                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
6158                         break;
6159                     default:
6160                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
6161                         break;
6162                     }
6163                     // find the VMG
6164                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
6165                     if ( p_segment != NULL )
6166                     {
6167                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6168                         if ( p_chapter != NULL )
6169                         {
6170                             sys.JumpTo( *p_segment, p_chapter );
6171                             f_result = true;
6172                         }
6173                     }
6174                 break;
6175                 case 2:
6176                     p_type = p_command[5] & 0x0F;
6177                     switch ( p_type )
6178                     {
6179                     case 0x02:
6180                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
6181                         break;
6182                     case 0x03:
6183                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
6184                         break;
6185                     case 0x04:
6186                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
6187                         break;
6188                     case 0x05:
6189                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
6190                         break;
6191                     case 0x06:
6192                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
6193                         break;
6194                     case 0x07:
6195                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
6196                         break;
6197                     default:
6198                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
6199                         break;
6200                     }
6201
6202                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
6203
6204                     if ( p_segment != NULL && p_chapter != NULL )
6205                     {
6206                         // find the title in the VTS
6207                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
6208                         if ( p_chapter != NULL )
6209                         {
6210                             // find the specified menu in the VTSM
6211                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6212                             if ( p_chapter != NULL )
6213                             {
6214                                 sys.JumpTo( *p_segment, p_chapter );
6215                                 f_result = true;
6216                             }
6217                         }
6218                         else
6219                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
6220                     }
6221                     else
6222                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
6223                 break;
6224                 case 3:
6225                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
6226                 break;
6227             }
6228             break;
6229         }
6230     case CMD_DVD_JUMPVTS_PTT:
6231         {
6232             uint8 i_title = p_command[5];
6233             uint8 i_ptt = p_command[3];
6234
6235             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
6236
6237             // find the current VTS content segment
6238             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
6239             if ( p_chapter != NULL )
6240             {
6241                 int16 i_curr_title = p_chapter->GetTitleNumber( );
6242                 if ( i_curr_title > 0 )
6243                 {
6244                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
6245
6246                     if ( p_segment != NULL && p_chapter != NULL )
6247                     {
6248                         // find the title in the VTS
6249                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
6250                         if ( p_chapter != NULL )
6251                         {
6252                             // find the chapter in the title
6253                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
6254                             if ( p_chapter != NULL )
6255                             {
6256                                 sys.JumpTo( *p_segment, p_chapter );
6257                                 f_result = true;
6258                             }
6259                         }
6260                     else
6261                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
6262                     }
6263                     else
6264                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
6265                 }
6266                 else
6267                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
6268             }
6269             else
6270                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
6271             break;
6272         }
6273     case CMD_DVD_SET_GPRMMD:
6274         {
6275             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
6276
6277             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
6278                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
6279             break;
6280         }
6281     case CMD_DVD_LINKPGCN:
6282         {
6283             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
6284
6285             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
6286             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
6287             if ( p_chapter != NULL )
6288             {
6289                 if ( !p_chapter->Enter( true ) )
6290                     // jump to the location in the found segment
6291                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6292
6293                 f_result = true;
6294             }
6295             break;
6296         }
6297     case CMD_DVD_LINKCN:
6298         {
6299             uint8 i_cn = p_command[7];
6300
6301             p_chapter = sys.p_current_segment->CurrentChapter();
6302
6303             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
6304             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
6305             if ( p_chapter != NULL )
6306             {
6307                 if ( !p_chapter->Enter( true ) )
6308                     // jump to the location in the found segment
6309                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6310
6311                 f_result = true;
6312             }
6313             break;
6314         }
6315     case CMD_DVD_GOTO_LINE:
6316         {
6317             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6318             // TODO
6319             break;
6320         }
6321     case CMD_DVD_SET_HL_BTNN1:
6322         {
6323             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6324             SetSPRM( 0x88, p_command[4] );
6325             break;
6326         }
6327     default:
6328         {
6329             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6330                      ,p_command[0]
6331                      ,p_command[1]
6332                      ,p_command[2]
6333                      ,p_command[3]
6334                      ,p_command[4]
6335                      ,p_command[5]
6336                      ,p_command[6]
6337                      ,p_command[7]);
6338             break;
6339         }
6340     }
6341
6342     return f_result;
6343 }
6344
6345 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6346 {
6347     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6348 }
6349
6350 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6351 {
6352     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6353         return false;
6354
6355     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6356 }
6357
6358 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6359 {
6360     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6361         return false;
6362
6363     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6364         return false;
6365
6366     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6367     uint16 i_title = *(uint16*)p_cookie;
6368
6369     return (i_gtitle == i_title);
6370 }
6371
6372 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6373 {
6374     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6375         return false;
6376
6377     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6378         return false;
6379
6380     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6381     uint8 i_title = *(uint8*)p_cookie;
6382
6383     return (i_gtitle == i_title);
6384 }
6385
6386 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6387 {
6388     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6389         return false;
6390
6391     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6392         return false;
6393
6394     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6395     uint8 i_title = *(uint8*)p_cookie;
6396
6397     return (i_gtitle == i_title);
6398 }
6399
6400 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6401 {
6402     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6403         return false;
6404
6405     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6406         return false;
6407
6408     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6409     uint8 i_pgc = *(uint8*)p_cookie;
6410
6411     return (i_pgc_type == i_pgc);
6412 }
6413
6414 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6415 {
6416     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6417         return false;
6418
6419     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6420         return false;
6421
6422     uint16 *i_pgc_n = (uint16 *)p_cookie;
6423     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6424
6425     return (i_pgc_num == *i_pgc_n);
6426 }
6427
6428 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6429 {
6430     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6431         return false;
6432
6433     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6434         return false;
6435
6436     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6437     uint8 i_ptt = *(uint8*)p_cookie;
6438
6439     return (i_chapter == i_ptt);
6440 }
6441
6442 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6443 {
6444     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6445         return false;
6446
6447     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6448         return false;
6449
6450     uint8 *i_cell_n = (uint8 *)p_cookie;
6451     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6452
6453     return (i_cell_num == *i_cell_n);
6454 }
6455
6456 bool matroska_script_codec_c::Enter()
6457 {
6458     bool f_result = false;
6459     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6460     while ( index != enter_cmds.end() )
6461     {
6462         if ( (*index)->GetSize() )
6463         {
6464             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6465             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6466         }
6467         index++;
6468     }
6469     return f_result;
6470 }
6471
6472 bool matroska_script_codec_c::Leave()
6473 {
6474     bool f_result = false;
6475     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6476     while ( index != leave_cmds.end() )
6477     {
6478         if ( (*index)->GetSize() )
6479         {
6480             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6481             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6482         }
6483         index++;
6484     }
6485     return f_result;
6486 }
6487
6488 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6489 //  for a description of existing commands
6490 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6491 {
6492     bool b_result = false;
6493
6494     char *psz_str = (char*) malloc( i_size + 1 );
6495     memcpy( psz_str, p_command, i_size );
6496     psz_str[ i_size ] = '\0';
6497
6498     std::string sz_command = psz_str;
6499     free( psz_str );
6500
6501     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6502
6503 #if defined(__GNUC__) && (__GNUC__ < 3)
6504     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6505 #else
6506     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6507 #endif
6508     {
6509         size_t i,j;
6510
6511         // find the (
6512         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6513         {
6514             if ( sz_command[i] == '(' )
6515             {
6516                 i++;
6517                 break;
6518             }
6519         }
6520         // find the )
6521         for ( j=i; j<sz_command.size(); j++)
6522         {
6523             if ( sz_command[j] == ')' )
6524             {
6525                 i--;
6526                 break;
6527             }
6528         }
6529
6530         std::string st = sz_command.substr( i+1, j-i-1 );
6531         int64_t i_chapter_uid = atoi( st.c_str() );
6532
6533         virtual_segment_c *p_segment;
6534         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6535
6536         if ( p_chapter == NULL )
6537             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6538         else
6539         {
6540             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6541                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6542             b_result = true;
6543         }
6544     }
6545
6546     return b_result;
6547 }
6548
6549 void demux_sys_t::SwapButtons()
6550 {
6551 #ifndef WORDS_BIGENDIAN
6552     uint8_t button, i, j;
6553
6554     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6555         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6556         binary *p_data = (binary*) button_ptr;
6557
6558         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6559         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6560         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6561         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6562         button_ptr->x_start = i_x_start;
6563         button_ptr->x_end   = i_x_end;
6564         button_ptr->y_start = i_y_start;
6565         button_ptr->y_end   = i_y_end;
6566
6567     }
6568     for ( i = 0; i<3; i++ )
6569     {
6570         for ( j = 0; j<2; j++ )
6571         {
6572             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6573         }
6574     }
6575 #endif
6576 }