]> git.sesse.net Git - vlc/blob - modules/demux/mkv.cpp
Fix some const.
[vlc] / 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/KaxAttached.h"
66 #include "matroska/KaxBlock.h"
67 #include "matroska/KaxBlockData.h"
68 #include "matroska/KaxChapters.h"
69 #include "matroska/KaxCluster.h"
70 #include "matroska/KaxClusterData.h"
71 #include "matroska/KaxContexts.h"
72 #include "matroska/KaxCues.h"
73 #include "matroska/KaxCuesData.h"
74 #include "matroska/KaxInfo.h"
75 #include "matroska/KaxInfoData.h"
76 #include "matroska/KaxSeekHead.h"
77 #include "matroska/KaxSegment.h"
78 #include "matroska/KaxTag.h"
79 #include "matroska/KaxTags.h"
80 #include "matroska/KaxTagMulti.h"
81 #include "matroska/KaxTracks.h"
82 #include "matroska/KaxTrackAudio.h"
83 #include "matroska/KaxTrackVideo.h"
84 #include "matroska/KaxTrackEntryData.h"
85 #include "matroska/KaxContentEncoding.h"
86 #include "matroska/KaxVersion.h"
87
88 #include "ebml/StdIOCallback.h"
89
90 #if LIBMATROSKA_VERSION < 0x000706
91 START_LIBMATROSKA_NAMESPACE
92 extern const EbmlSemanticContext MATROSKA_DLL_API KaxMatroska_Context;
93 END_LIBMATROSKA_NAMESPACE
94 #endif
95
96 #include "vlc_keys.h"
97
98 extern "C" {
99    #include "mp4/libmp4.h"
100 }
101 #ifdef HAVE_ZLIB_H
102 #   include <zlib.h>
103 #endif
104
105 #define MATROSKA_COMPRESSION_NONE  -1
106 #define MATROSKA_COMPRESSION_ZLIB   0
107 #define MATROSKA_COMPRESSION_BLIB   1
108 #define MATROSKA_COMPRESSION_LZOX   2
109 #define MATROSKA_COMPRESSION_HEADER 3
110
111 #define MKVD_TIMECODESCALE 1000000
112
113 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
114 #undef ATTRIBUTE_PACKED
115 #undef PRAGMA_PACK_BEGIN
116 #undef PRAGMA_PACK_END
117
118 #if defined(__GNUC__)
119 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
120 #define ATTRIBUTE_PACKED __attribute__ ((packed))
121 #define PRAGMA_PACK 0
122 #endif
123 #endif
124
125 #if !defined(ATTRIBUTE_PACKED)
126 #define ATTRIBUTE_PACKED
127 #define PRAGMA_PACK 1
128 #endif
129
130 #if PRAGMA_PACK
131 #pragma pack(1)
132 #endif
133
134 /*************************************
135 *  taken from libdvdnav / libdvdread
136 **************************************/
137
138 /**
139  * DVD Time Information.
140  */
141 typedef struct {
142   uint8_t hour;
143   uint8_t minute;
144   uint8_t second;
145   uint8_t frame_u; /* The two high bits are the frame rate. */
146 } ATTRIBUTE_PACKED dvd_time_t;
147
148 /**
149  * User Operations.
150  */
151 typedef struct {
152 #ifdef WORDS_BIGENDIAN
153   unsigned char zero                           : 7; /* 25-31 */
154   unsigned char video_pres_mode_change         : 1; /* 24 */
155   
156   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
157   unsigned char angle_change                   : 1;
158   unsigned char subpic_stream_change           : 1;
159   unsigned char audio_stream_change            : 1;
160   unsigned char pause_on                       : 1;
161   unsigned char still_off                      : 1;
162   unsigned char button_select_or_activate      : 1;
163   unsigned char resume                         : 1; /* 16 */
164   
165   unsigned char chapter_menu_call              : 1; /* 15 */
166   unsigned char angle_menu_call                : 1;
167   unsigned char audio_menu_call                : 1;
168   unsigned char subpic_menu_call               : 1;
169   unsigned char root_menu_call                 : 1;
170   unsigned char title_menu_call                : 1;
171   unsigned char backward_scan                  : 1;
172   unsigned char forward_scan                   : 1; /* 8 */
173   
174   unsigned char next_pg_search                 : 1; /* 7 */
175   unsigned char prev_or_top_pg_search          : 1;
176   unsigned char time_or_chapter_search         : 1;
177   unsigned char go_up                          : 1;
178   unsigned char stop                           : 1;
179   unsigned char title_play                     : 1;
180   unsigned char chapter_search_or_play         : 1;
181   unsigned char title_or_time_play             : 1; /* 0 */
182 #else
183   unsigned char video_pres_mode_change         : 1; /* 24 */
184   unsigned char zero                           : 7; /* 25-31 */
185   
186   unsigned char resume                         : 1; /* 16 */
187   unsigned char button_select_or_activate      : 1;
188   unsigned char still_off                      : 1;
189   unsigned char pause_on                       : 1;
190   unsigned char audio_stream_change            : 1;
191   unsigned char subpic_stream_change           : 1;
192   unsigned char angle_change                   : 1;
193   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
194   
195   unsigned char forward_scan                   : 1; /* 8 */
196   unsigned char backward_scan                  : 1;
197   unsigned char title_menu_call                : 1;
198   unsigned char root_menu_call                 : 1;
199   unsigned char subpic_menu_call               : 1;
200   unsigned char audio_menu_call                : 1;
201   unsigned char angle_menu_call                : 1;
202   unsigned char chapter_menu_call              : 1; /* 15 */
203   
204   unsigned char title_or_time_play             : 1; /* 0 */
205   unsigned char chapter_search_or_play         : 1;
206   unsigned char title_play                     : 1;
207   unsigned char stop                           : 1;
208   unsigned char go_up                          : 1;
209   unsigned char time_or_chapter_search         : 1;
210   unsigned char prev_or_top_pg_search          : 1;
211   unsigned char next_pg_search                 : 1; /* 7 */
212 #endif
213 } ATTRIBUTE_PACKED user_ops_t;
214
215 /**
216  * Type to store per-command data.
217  */
218 typedef struct {
219   uint8_t bytes[8];
220 } ATTRIBUTE_PACKED vm_cmd_t;
221 #define COMMAND_DATA_SIZE 8
222
223 /**
224  * PCI General Information
225  */
226 typedef struct {
227   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
228   uint16_t vobu_cat;        /**< 'category' of vobu */
229   uint16_t zero1;           /**< reserved */
230   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
231   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
232   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
233   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
234   dvd_time_t e_eltm;        /**< Cell elapsed time */
235   char vobu_isrc[32];
236 } ATTRIBUTE_PACKED pci_gi_t;
237
238 /**
239  * Non Seamless Angle Information
240  */
241 typedef struct {
242   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
243 } ATTRIBUTE_PACKED nsml_agli_t;
244
245 /**
246  * Highlight General Information
247  *
248  * For btngrX_dsp_ty the bits have the following meaning:
249  * 000b: normal 4/3 only buttons
250  * XX1b: wide (16/9) buttons
251  * X1Xb: letterbox buttons
252  * 1XXb: pan&scan buttons
253  */
254 typedef struct {
255   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
256   uint32_t hli_s_ptm;              /**< start ptm of hli */
257   uint32_t hli_e_ptm;              /**< end ptm of hli */
258   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
259 #ifdef WORDS_BIGENDIAN
260   unsigned char zero1 : 2;          /**< reserved */
261   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
262   unsigned char zero2 : 1;          /**< reserved */
263   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
264   unsigned char zero3 : 1;          /**< reserved */
265   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
266   unsigned char zero4 : 1;          /**< reserved */
267   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
268 #else
269   unsigned char btngr1_dsp_ty : 3;
270   unsigned char zero2 : 1;
271   unsigned char btngr_ns : 2;
272   unsigned char zero1 : 2;
273   unsigned char btngr3_dsp_ty : 3;
274   unsigned char zero4 : 1;
275   unsigned char btngr2_dsp_ty : 3;
276   unsigned char zero3 : 1;
277 #endif
278   uint8_t btn_ofn;     /**< button offset number range 0-255 */
279   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */
280   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
281   uint8_t zero5;       /**< reserved */
282   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
283   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
284 } ATTRIBUTE_PACKED hl_gi_t;
285
286
287 /**
288  * Button Color Information Table
289  * Each entry beeing a 32bit word that contains the color indexs and alpha
290  * values to use.  They are all represented by 4 bit number and stored
291  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
292  * that the indexes reference is in the PGC.
293  * \todo split the uint32_t into a struct
294  */
295 typedef struct {
296   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
297 } ATTRIBUTE_PACKED btn_colit_t;
298
299 /**
300  * Button Information
301  *
302  * NOTE: I've had to change the structure from the disk layout to get
303  * the packing to work with Sun's Forte C compiler.
304  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
305  */
306 typedef struct {
307 #ifdef WORDS_BIGENDIAN
308   uint32        btn_coln         : 2;  /**< button color number */
309   uint32        x_start          : 10; /**< x start offset within the overlay */
310   uint32        zero1            : 2;  /**< reserved */
311   uint32        x_end            : 10; /**< x end offset within the overlay */
312
313   uint32        zero3            : 2;  /**< reserved */
314   uint32        up               : 6;  /**< button index when pressing up */
315
316   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
317   uint32        y_start          : 10; /**< y start offset within the overlay */
318   uint32        zero2            : 2;  /**< reserved */
319   uint32        y_end            : 10; /**< y end offset within the overlay */
320
321   uint32        zero4            : 2;  /**< reserved */
322   uint32        down             : 6;  /**< button index when pressing down */
323   unsigned char zero5            : 2;  /**< reserved */
324   unsigned char left             : 6;  /**< button index when pressing left */
325   unsigned char zero6            : 2;  /**< reserved */
326   unsigned char right            : 6;  /**< button index when pressing right */
327 #else
328   uint32        x_end            : 10;
329   uint32        zero1            : 2;
330   uint32        x_start          : 10;
331   uint32        btn_coln         : 2;
332
333   uint32        up               : 6;
334   uint32        zero3            : 2;
335
336   uint32        y_end            : 10;
337   uint32        zero2            : 2;
338   uint32        y_start          : 10;
339   uint32        auto_action_mode : 2;
340
341   uint32        down             : 6;
342   uint32        zero4            : 2;
343   unsigned char left             : 6;
344   unsigned char zero5            : 2;
345   unsigned char right            : 6;
346   unsigned char zero6            : 2;
347 #endif
348   vm_cmd_t cmd;
349 } ATTRIBUTE_PACKED btni_t;
350
351 /**
352  * Highlight Information
353  */
354 typedef struct {
355   hl_gi_t     hl_gi;
356   btn_colit_t btn_colit;
357   btni_t      btnit[36];
358 } ATTRIBUTE_PACKED hli_t;
359
360 /**
361  * PCI packet
362  */
363 typedef struct {
364   pci_gi_t    pci_gi;
365   nsml_agli_t nsml_agli;
366   hli_t       hli;
367   uint8_t     zero1[189];
368 } ATTRIBUTE_PACKED pci_t;
369
370
371 #if PRAGMA_PACK
372 #pragma pack()
373 #endif
374 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
375
376
377 /**
378  * What's between a directory and a filename?
379  */
380 #if defined( WIN32 )
381     #define DIRECTORY_SEPARATOR '\\'
382 #else
383     #define DIRECTORY_SEPARATOR '/'
384 #endif
385
386 using namespace LIBMATROSKA_NAMESPACE;
387 using namespace std;
388
389 /*****************************************************************************
390  * Module descriptor
391  *****************************************************************************/
392 static int  Open ( vlc_object_t * );
393 static void Close( vlc_object_t * );
394
395 vlc_module_begin();
396     set_shortname( "Matroska" );
397     set_description( _("Matroska stream demuxer" ) );
398     set_capability( "demux2", 50 );
399     set_callbacks( Open, Close );
400     set_category( CAT_INPUT );
401     set_subcategory( SUBCAT_INPUT_DEMUX );
402
403     add_bool( "mkv-use-ordered-chapters", 1, NULL,
404             N_("Ordered chapters"),
405             N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
406
407     add_bool( "mkv-use-chapter-codec", 1, NULL,
408             N_("Chapter codecs"),
409             N_("Use chapter codecs found in the segment."), VLC_TRUE );
410
411     add_bool( "mkv-preload-local-dir", 1, NULL,
412             N_("Preload Directory"),
413             N_("Preload matroska files from the same family in the same directory (not good for broken files)."), VLC_TRUE );
414
415     add_bool( "mkv-seek-percent", 0, NULL,
416             N_("Seek based on percent not time"),
417             N_("Seek based on percent not time."), VLC_TRUE );
418
419     add_bool( "mkv-use-dummy", 0, NULL,
420             N_("Dummy Elements"),
421             N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
422
423     add_shortcut( "mka" );
424     add_shortcut( "mkv" );
425 vlc_module_end();
426
427 /*****************************************************************************
428  * Local prototypes
429  *****************************************************************************/
430 #ifdef HAVE_ZLIB_H
431 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
432     int result, dstsize, n;
433     unsigned char *dst;
434     block_t *p_block;
435     z_stream d_stream;
436
437     d_stream.zalloc = (alloc_func)0;
438     d_stream.zfree = (free_func)0;
439     d_stream.opaque = (voidpf)0;
440     result = inflateInit(&d_stream);
441     if( result != Z_OK )
442     {
443         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
444         return NULL;
445     }
446
447     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
448     d_stream.avail_in = p_in_block->i_buffer;
449     n = 0;
450     p_block = block_New( p_this, 0 );
451     dst = NULL;
452     do
453     {
454         n++;
455         p_block = block_Realloc( p_block, 0, n * 1000 );
456         dst = (unsigned char *)p_block->p_buffer;
457         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
458         d_stream.avail_out = 1000;
459         result = inflate(&d_stream, Z_NO_FLUSH);
460         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
461         {
462             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
463             return NULL;
464         }
465     }
466     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
467            ( result != Z_STREAM_END ) );
468
469     dstsize = d_stream.total_out;
470     inflateEnd( &d_stream );
471
472     p_block = block_Realloc( p_block, 0, dstsize );
473     p_block->i_buffer = dstsize;
474     block_Release( p_in_block );
475
476     return p_block;
477 }
478 #endif
479
480 /**
481  * Helper function to print the mkv parse tree
482  */
483 static void MkvTree( demux_t & demuxer, int i_level, const char *psz_format, ... )
484 {
485     va_list args;
486     if( i_level > 9 )
487     {
488         msg_Err( &demuxer, "too deep tree" );
489         return;
490     }
491     va_start( args, psz_format );
492     static const char psz_foo[] = "|   |   |   |   |   |   |   |   |   |";
493     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
494     strncpy( psz_foo2, psz_foo, 4 * i_level );
495     psz_foo2[ 4 * i_level ] = '+';
496     psz_foo2[ 4 * i_level + 1 ] = ' ';
497     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
498     __msg_GenericVa( VLC_OBJECT(&demuxer), MSG_QUEUE_NORMAL, VLC_MSG_DBG, "mkv", psz_foo2, args );
499     free( psz_foo2 );
500     va_end( args );
501 }
502
503 /*****************************************************************************
504  * Stream managment
505  *****************************************************************************/
506 class vlc_stream_io_callback: public IOCallback
507 {
508   private:
509     stream_t       *s;
510     vlc_bool_t     mb_eof;
511     vlc_bool_t     b_owner;
512
513   public:
514     vlc_stream_io_callback( stream_t *, vlc_bool_t );
515
516     virtual ~vlc_stream_io_callback()
517     {
518         if( b_owner )
519             stream_Delete( s );
520     }
521
522     virtual uint32   read            ( void *p_buffer, size_t i_size);
523     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
524     virtual size_t   write           ( const void *p_buffer, size_t i_size);
525     virtual uint64   getFilePointer  ( void );
526     virtual void     close           ( void );
527 };
528
529 /*****************************************************************************
530  * Ebml Stream parser
531  *****************************************************************************/
532 class EbmlParser
533 {
534   public:
535     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
536     virtual ~EbmlParser( void );
537
538     void Up( void );
539     void Down( void );
540     void Reset( demux_t *p_demux );
541     EbmlElement *Get( void );
542     void        Keep( void );
543     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
544
545     int GetLevel( void );
546
547   private:
548     EbmlStream  *m_es;
549     int         mi_level;
550     EbmlElement *m_el[10];
551     int64_t      mi_remain_size[10];
552
553     EbmlElement *m_got;
554
555     int         mi_user_level;
556     vlc_bool_t  mb_keep;
557     vlc_bool_t  mb_dummy;
558 };
559
560
561 /*****************************************************************************
562  * Some functions to manipulate memory
563  *****************************************************************************/
564 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
565 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
566 {
567     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
568 }
569
570 /*****************************************************************************
571  * definitions of structures and functions used by this plugins
572  *****************************************************************************/
573 typedef struct
574 {
575 //    ~mkv_track_t();
576
577     vlc_bool_t   b_default;
578     vlc_bool_t   b_enabled;
579     unsigned int i_number;
580
581     int          i_extra_data;
582     uint8_t      *p_extra_data;
583
584     char         *psz_codec;
585
586     uint64_t     i_default_duration;
587     float        f_timecodescale;
588     mtime_t      i_last_dts;
589
590     /* video */
591     es_format_t fmt;
592     float       f_fps;
593     es_out_id_t *p_es;
594
595     /* audio */
596     unsigned int i_original_rate;
597
598     vlc_bool_t      b_inited;
599     /* data to be send first */
600     int             i_data_init;
601     uint8_t         *p_data_init;
602
603     /* hack : it's for seek */
604     vlc_bool_t      b_search_keyframe;
605     vlc_bool_t      b_silent;
606
607     /* informative */
608     const char   *psz_codec_name;
609     const char   *psz_codec_settings;
610     const char   *psz_codec_info_url;
611     const char   *psz_codec_download_url;
612
613     /* encryption/compression */
614     int                    i_compression_type;
615     KaxContentCompSettings *p_compression_data;
616
617 } mkv_track_t;
618
619 typedef struct
620 {
621     int     i_track;
622     int     i_block_number;
623
624     int64_t i_position;
625     int64_t i_time;
626
627     vlc_bool_t b_key;
628 } mkv_index_t;
629
630 class demux_sys_t;
631
632 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
633 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
634 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
635 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
636 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
637 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
638 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
639
640 class chapter_codec_cmds_c
641 {
642 public:
643     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
644     :p_private_data(NULL)
645     ,i_codec_id( codec_id )
646     ,sys( demuxer )
647     {}
648         
649     virtual ~chapter_codec_cmds_c()
650     {
651         delete p_private_data;
652         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
653         while ( indexe != enter_cmds.end() )
654         {
655             delete (*indexe);
656             indexe++;
657         }
658         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
659         while ( indexl != leave_cmds.end() )
660         {
661             delete (*indexl);
662             indexl++;
663         }
664         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
665         while ( indexd != during_cmds.end() )
666         {
667             delete (*indexd);
668             indexd++;
669         }
670     }
671
672     void SetPrivate( const KaxChapterProcessPrivate & private_data )
673     {
674         p_private_data = new KaxChapterProcessPrivate( private_data );
675     }
676
677     void AddCommand( const KaxChapterProcessCommand & command );
678     
679     /// \return wether the codec has seeked in the files or not
680     virtual bool Enter() { return false; }
681     virtual bool Leave() { return false; }
682     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
683     virtual int16 GetTitleNumber() { return -1; }
684
685     KaxChapterProcessPrivate *p_private_data;
686
687 protected:
688     std::vector<KaxChapterProcessData*> enter_cmds;
689     std::vector<KaxChapterProcessData*> during_cmds;
690     std::vector<KaxChapterProcessData*> leave_cmds;
691
692     int i_codec_id;
693     demux_sys_t & sys;
694 };
695
696 class dvd_command_interpretor_c
697 {
698 public:
699     dvd_command_interpretor_c( demux_sys_t & demuxer )
700     :sys( demuxer )
701     {
702         memset( p_PRMs, 0, sizeof(p_PRMs) );
703         p_PRMs[ 0x80 + 1 ] = 15;
704         p_PRMs[ 0x80 + 2 ] = 62;
705         p_PRMs[ 0x80 + 3 ] = 1;
706         p_PRMs[ 0x80 + 4 ] = 1;
707         p_PRMs[ 0x80 + 7 ] = 1;
708         p_PRMs[ 0x80 + 8 ] = 1;
709         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
710         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
711     }
712     
713     bool Interpret( const binary * p_command, size_t i_size = 8 );
714     
715     uint16 GetPRM( size_t index ) const
716     {
717         if ( index < 256 )
718             return p_PRMs[ index ];
719         else return 0;
720     }
721
722     uint16 GetGPRM( size_t index ) const
723     {
724         if ( index >= 0 && index < 16 )
725             return p_PRMs[ index ];
726         else return 0;
727     }
728
729     uint16 GetSPRM( size_t index ) const
730     {
731         // 21,22,23 reserved for future use
732         if ( index >= 0x80 && index < 0x95 )
733             return p_PRMs[ index ];
734         else return 0;
735     }
736
737     bool SetPRM( size_t index, uint16 value )
738     {
739         if ( index >= 0 && index < 16 )
740         {
741             p_PRMs[ index ] = value;
742             return true;
743         }
744         return false;
745     }
746     
747     bool SetGPRM( size_t index, uint16 value )
748     {
749         if ( index >= 0 && index < 16 )
750         {
751             p_PRMs[ index ] = value;
752             return true;
753         }
754         return false;
755     }
756
757     bool SetSPRM( size_t index, uint16 value )
758     {
759         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
760         {
761             p_PRMs[ index ] = value;
762             return true;
763         }
764         return false;
765     }
766
767 protected:
768     std::string GetRegTypeName( bool b_value, uint16 value ) const
769     {
770         std::string result;
771         char s_value[6], s_reg_value[6];
772         sprintf( s_value, "%.5d", value );
773
774         if ( b_value )
775         {
776             result = "value (";
777             result += s_value;
778             result += ")";
779         }
780         else if ( value < 0x80 )
781         {
782             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
783             result = "GPreg[";
784             result += s_value;
785             result += "] (";
786             result += s_reg_value;
787             result += ")";
788         }
789         else
790         {
791             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
792             result = "SPreg[";
793             result += s_value;
794             result += "] (";
795             result += s_reg_value;
796             result += ")";
797         }
798         return result;
799     }
800
801     uint16       p_PRMs[256];
802     demux_sys_t  & sys;
803     
804     // DVD command IDs
805
806     // Tests
807     // wether it's a comparison on the value or register
808     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
809     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
810     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
811     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
812     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
813     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
814     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
815     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
816     
817     static const uint16 CMD_DVD_NOP                    = 0x0000;
818     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
819     static const uint16 CMD_DVD_BREAK                  = 0x0002;
820     // Links
821     static const uint16 CMD_DVD_NOP2                   = 0x2001;
822     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
823     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
824     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
825     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
826     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
827     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
828     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
829     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
830     //
831     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
832     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
833     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
834     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
835     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
836     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
837     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
838     // Operations
839     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
840     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
841     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
842     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
843     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
844     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
845     
846     // callbacks when browsing inside CodecPrivate
847     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
848     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
849     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
850     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
851     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
852     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
853     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
854     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
855     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
856 };
857
858 class dvd_chapter_codec_c : public chapter_codec_cmds_c
859 {
860 public:
861     dvd_chapter_codec_c( demux_sys_t & sys )
862     :chapter_codec_cmds_c( sys, 1 )
863     {}
864
865     bool Enter();
866     bool Leave();
867     std::string GetCodecName( bool f_for_title = false ) const;
868     int16 GetTitleNumber();
869 };
870
871 class matroska_script_interpretor_c
872 {
873 public:
874     matroska_script_interpretor_c( demux_sys_t & demuxer )
875     :sys( demuxer )
876     {}
877
878     bool Interpret( const binary * p_command, size_t i_size );
879     
880     // DVD command IDs
881     static const std::string CMD_MS_GOTO_AND_PLAY;
882     
883 protected:
884     demux_sys_t  & sys;
885 };
886
887 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
888
889
890 class matroska_script_codec_c : public chapter_codec_cmds_c
891 {
892 public:
893     matroska_script_codec_c( demux_sys_t & sys )
894     :chapter_codec_cmds_c( sys, 0 )
895     ,interpretor( sys )
896     {}
897
898     bool Enter();
899     bool Leave();
900
901 protected:
902     matroska_script_interpretor_c interpretor;
903 };
904
905 class chapter_translation_c
906 {
907 public:
908     chapter_translation_c()
909         :p_translated(NULL)
910     {}
911
912     ~chapter_translation_c()
913     {
914         delete p_translated;
915     }
916
917     KaxChapterTranslateID  *p_translated;
918     unsigned int           codec_id;
919     std::vector<uint64_t>  editions;
920 };
921
922 class chapter_item_c
923 {
924 public:
925     chapter_item_c()
926     :i_start_time(0)
927     ,i_end_time(-1)
928     ,i_user_start_time(-1)
929     ,i_user_end_time(-1)
930     ,i_seekpoint_num(-1)
931     ,b_display_seekpoint(true)
932     ,b_user_display(false)
933     ,psz_parent(NULL)
934     ,b_is_leaving(false)
935     {}
936
937     virtual ~chapter_item_c()
938     {
939         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
940         while ( index != codecs.end() )
941         {
942             delete (*index);
943             index++;
944         }
945         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
946         while ( index_ != sub_chapters.end() )
947         {
948             delete (*index_);
949             index_++;
950         }
951     }
952
953     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
954     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
955     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
956     void Append( const chapter_item_c & edition );
957     chapter_item_c * FindChapter( int64_t i_find_uid );
958     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
959                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
960                                     const void *p_cookie,
961                                     size_t i_cookie_size );
962     std::string                 GetCodecName( bool f_for_title = false ) const;
963     bool                        ParentOf( const chapter_item_c & item ) const;
964     int16                       GetTitleNumber( ) const;
965     
966     int64_t                     i_start_time, i_end_time;
967     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
968     std::vector<chapter_item_c*> sub_chapters;
969     int                         i_seekpoint_num;
970     int64_t                     i_uid;
971     bool                        b_display_seekpoint;
972     bool                        b_user_display;
973     std::string                 psz_name;
974     chapter_item_c              *psz_parent;
975     bool                        b_is_leaving;
976     
977     std::vector<chapter_codec_cmds_c*> codecs;
978
979     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
980     {
981         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) );
982     }
983
984     bool Enter( bool b_do_subchapters );
985     bool Leave( bool b_do_subchapters );
986     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
987 };
988
989 class chapter_edition_c : public chapter_item_c
990 {
991 public:
992     chapter_edition_c()
993     :b_ordered(false)
994     {}
995     
996     void RefreshChapters( );
997     mtime_t Duration() const;
998     std::string GetMainName() const;
999     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
1000     
1001     bool                        b_ordered;
1002 };
1003
1004 class matroska_segment_c
1005 {
1006 public:
1007     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
1008         :segment(NULL)
1009         ,es(estream)
1010         ,i_timescale(MKVD_TIMECODESCALE)
1011         ,i_duration(-1)
1012         ,i_start_time(0)
1013         ,i_cues_position(-1)
1014         ,i_chapters_position(-1)
1015         ,i_tags_position(-1)
1016         ,cluster(NULL)
1017         ,i_block_pos(0)
1018         ,i_cluster_pos(0)
1019         ,i_start_pos(0)
1020         ,p_segment_uid(NULL)
1021         ,p_prev_segment_uid(NULL)
1022         ,p_next_segment_uid(NULL)
1023         ,b_cues(VLC_FALSE)
1024         ,i_index(0)
1025         ,i_index_max(1024)
1026         ,psz_muxing_application(NULL)
1027         ,psz_writing_application(NULL)
1028         ,psz_segment_filename(NULL)
1029         ,psz_title(NULL)
1030         ,psz_date_utc(NULL)
1031         ,i_default_edition(0)
1032         ,sys(demuxer)
1033         ,ep(NULL)
1034         ,b_preloaded(false)
1035     {
1036         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1037     }
1038
1039     virtual ~matroska_segment_c()
1040     {
1041         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1042         {
1043             if ( tracks[i_track]->p_compression_data )
1044             {
1045                 delete tracks[i_track]->p_compression_data;
1046             }
1047             es_format_Clean( &tracks[i_track]->fmt );
1048             if( tracks[i_track]->p_extra_data )
1049                 free( tracks[i_track]->p_extra_data );
1050             if( tracks[i_track]->psz_codec )
1051                 free( tracks[i_track]->psz_codec );
1052             delete tracks[i_track];
1053         }
1054
1055         if( psz_writing_application )
1056         {
1057             free( psz_writing_application );
1058         }
1059         if( psz_muxing_application )
1060         {
1061             free( psz_muxing_application );
1062         }
1063         if( psz_segment_filename )
1064         {
1065             free( psz_segment_filename );
1066         }
1067         if( psz_title )
1068         {
1069             free( psz_title );
1070         }
1071         if( psz_date_utc )
1072         {
1073             free( psz_date_utc );
1074         }
1075         if ( p_indexes )
1076             free( p_indexes );
1077
1078         delete ep;
1079         delete segment;
1080         delete p_segment_uid;
1081         delete p_prev_segment_uid;
1082         delete p_next_segment_uid;
1083
1084         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1085         while ( index != stored_editions.end() )
1086         {
1087             delete (*index);
1088             index++;
1089         }
1090         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1091         while ( indext != translations.end() )
1092         {
1093             delete (*indext);
1094             indext++;
1095         }
1096         std::vector<KaxSegmentFamily*>::iterator indexf = families.begin();
1097         while ( indexf != families.end() )
1098         {
1099             delete (*indexf);
1100             indexf++;
1101         }
1102     }
1103
1104     KaxSegment              *segment;
1105     EbmlStream              & es;
1106
1107     /* time scale */
1108     uint64_t                i_timescale;
1109
1110     /* duration of the segment */
1111     mtime_t                 i_duration;
1112     mtime_t                 i_start_time;
1113
1114     /* all tracks */
1115     std::vector<mkv_track_t*> tracks;
1116
1117     /* from seekhead */
1118     int64_t                 i_cues_position;
1119     int64_t                 i_chapters_position;
1120     int64_t                 i_tags_position;
1121
1122     KaxCluster              *cluster;
1123     uint64                  i_block_pos;
1124     uint64                  i_cluster_pos;
1125     int64_t                 i_start_pos;
1126     KaxSegmentUID           *p_segment_uid;
1127     KaxPrevUID              *p_prev_segment_uid;
1128     KaxNextUID              *p_next_segment_uid;
1129
1130     vlc_bool_t              b_cues;
1131     int                     i_index;
1132     int                     i_index_max;
1133     mkv_index_t             *p_indexes;
1134
1135     /* info */
1136     char                    *psz_muxing_application;
1137     char                    *psz_writing_application;
1138     char                    *psz_segment_filename;
1139     char                    *psz_title;
1140     char                    *psz_date_utc;
1141
1142     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1143     /* when you remove this variable the compiler issues an atomicity error */
1144     /* this variable only works when using std::vector<chapter_edition_c> */
1145     std::vector<chapter_edition_c*> stored_editions;
1146     int                             i_default_edition;
1147
1148     std::vector<chapter_translation_c*> translations;
1149     std::vector<KaxSegmentFamily*>  families;
1150     
1151     demux_sys_t                    & sys;
1152     EbmlParser                     *ep;
1153     bool                           b_preloaded;
1154
1155     bool Preload( );
1156     bool PreloadFamily( const matroska_segment_c & segment );
1157     void ParseInfo( KaxInfo *info );
1158     void ParseAttachments( KaxAttachments *attachments );
1159     void ParseChapters( KaxChapters *chapters );
1160     void ParseSeekHead( KaxSeekHead *seekhead );
1161     void ParseTracks( KaxTracks *tracks );
1162     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1163     void ParseTrackEntry( KaxTrackEntry *m );
1164     void ParseCluster( );
1165     void IndexAppendCluster( KaxCluster *cluster );
1166     void LoadCues( );
1167     void LoadTags( );
1168     void InformationCreate( );
1169     void Seek( mtime_t i_date, mtime_t i_time_offset );
1170 #if LIBMATROSKA_VERSION >= 0x000800
1171     int BlockGet( KaxBlock * &, KaxSimpleBlock * &, int64_t *, int64_t *, int64_t *);
1172 #else
1173     int BlockGet( KaxBlock * &, int64_t *, int64_t *, int64_t *);
1174 #endif
1175     bool Select( mtime_t i_start_time );
1176     void UnSelect( );
1177
1178     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1179 };
1180
1181 // class holding hard-linked segment together in the playback order
1182 class virtual_segment_c
1183 {
1184 public:
1185     virtual_segment_c( matroska_segment_c *p_segment )
1186         :p_editions(NULL)
1187         ,i_sys_title(0)
1188         ,i_current_segment(0)
1189         ,i_current_edition(-1)
1190         ,psz_current_chapter(NULL)
1191     {
1192         linked_segments.push_back( p_segment );
1193
1194         AppendUID( p_segment->p_segment_uid );
1195         AppendUID( p_segment->p_prev_segment_uid );
1196         AppendUID( p_segment->p_next_segment_uid );
1197     }
1198
1199     void Sort();
1200     size_t AddSegment( matroska_segment_c *p_segment );
1201     void PreloadLinked( );
1202     mtime_t Duration( ) const;
1203     void LoadCues( );
1204     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1205
1206     inline chapter_edition_c *Edition()
1207     {
1208         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1209             return (*p_editions)[i_current_edition];
1210         return NULL;
1211     }
1212
1213     matroska_segment_c * Segment() const
1214     {
1215         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1216             return NULL;
1217         return linked_segments[i_current_segment];
1218     }
1219
1220     inline chapter_item_c *CurrentChapter() {
1221         return psz_current_chapter;
1222     }
1223
1224     bool SelectNext()
1225     {
1226         if ( i_current_segment < linked_segments.size()-1 )
1227         {
1228             i_current_segment++;
1229             return true;
1230         }
1231         return false;
1232     }
1233
1234     bool FindUID( KaxSegmentUID & uid ) const
1235     {
1236         for ( size_t i=0; i<linked_uids.size(); i++ )
1237         {
1238             if ( linked_uids[i] == uid )
1239                 return true;
1240         }
1241         return false;
1242     }
1243
1244     bool UpdateCurrentToChapter( demux_t & demux );
1245     void PrepareChapters( );
1246
1247     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1248                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1249                                         const void *p_cookie,
1250                                         size_t i_cookie_size );
1251     chapter_item_c *FindChapter( int64_t i_find_uid );
1252
1253     std::vector<chapter_edition_c*>  *p_editions;
1254     int                              i_sys_title;
1255
1256 protected:
1257     std::vector<matroska_segment_c*> linked_segments;
1258     std::vector<KaxSegmentUID>       linked_uids;
1259     size_t                           i_current_segment;
1260
1261     int                              i_current_edition;
1262     chapter_item_c                   *psz_current_chapter;
1263
1264     void                             AppendUID( const EbmlBinary * UID );
1265 };
1266
1267 class matroska_stream_c
1268 {
1269 public:
1270     matroska_stream_c( demux_sys_t & demuxer )
1271         :p_in(NULL)
1272         ,p_es(NULL)
1273         ,sys(demuxer)
1274     {}
1275
1276     virtual ~matroska_stream_c()
1277     {
1278         delete p_in;
1279         delete p_es;
1280     }
1281
1282     IOCallback         *p_in;
1283     EbmlStream         *p_es;
1284
1285     std::vector<matroska_segment_c*> segments;
1286
1287     demux_sys_t                      & sys;
1288 };
1289
1290 typedef struct
1291 {
1292     VLC_COMMON_MEMBERS
1293
1294     demux_t        *p_demux;
1295     vlc_mutex_t     lock;
1296
1297     vlc_bool_t      b_moved;
1298     vlc_bool_t      b_clicked;
1299     vlc_bool_t      b_key;
1300
1301 } event_thread_t;
1302
1303
1304 class attachment_c
1305 {
1306 public:
1307     attachment_c()
1308         :p_data(NULL)
1309         ,i_size(0)
1310     {}
1311     virtual ~attachment_c()
1312     {
1313         if( p_data ) free( p_data );
1314     }
1315
1316     std::string    psz_file_name;
1317     std::string    psz_mime_type;
1318     void          *p_data;
1319     int            i_size;
1320 };
1321
1322 class demux_sys_t
1323 {
1324 public:
1325     demux_sys_t( demux_t & demux )
1326         :demuxer(demux)
1327         ,i_pts(0)
1328         ,i_start_pts(0)
1329         ,i_chapter_time(0)
1330         ,meta(NULL)
1331         ,i_current_title(0)
1332         ,p_current_segment(NULL)
1333         ,dvd_interpretor( *this )
1334         ,f_duration(-1.0)
1335         ,b_ui_hooked(false)
1336         ,p_input(NULL)
1337         ,b_pci_packet_set(false)
1338         ,p_ev(NULL)
1339     {
1340         vlc_mutex_init( &demuxer, &lock_demuxer );
1341     }
1342
1343     virtual ~demux_sys_t()
1344     {
1345         StopUiThread();
1346         size_t i;
1347         for ( i=0; i<streams.size(); i++ )
1348             delete streams[i];
1349         for ( i=0; i<opened_segments.size(); i++ )
1350             delete opened_segments[i];
1351         for ( i=0; i<used_segments.size(); i++ )
1352             delete used_segments[i];
1353         for ( i=0; i<stored_attachments.size(); i++ )
1354             delete stored_attachments[i];
1355         if( meta ) vlc_meta_Delete( meta );
1356
1357         while( titles.size() )
1358         { vlc_input_title_Delete( titles.back() ); titles.pop_back();}
1359
1360         vlc_mutex_destroy( &lock_demuxer );
1361     }
1362
1363     /* current data */
1364     demux_t                 & demuxer;
1365
1366     mtime_t                 i_pts;
1367     mtime_t                 i_start_pts;
1368     mtime_t                 i_chapter_time;
1369
1370     vlc_meta_t              *meta;
1371
1372     std::vector<input_title_t*>      titles; // matroska editions
1373     size_t                           i_current_title;
1374
1375     std::vector<matroska_stream_c*>  streams;
1376     std::vector<attachment_c*>       stored_attachments;
1377     std::vector<matroska_segment_c*> opened_segments;
1378     std::vector<virtual_segment_c*>  used_segments;
1379     virtual_segment_c                *p_current_segment;
1380
1381     dvd_command_interpretor_c        dvd_interpretor;
1382
1383     /* duration of the stream */
1384     float                   f_duration;
1385
1386     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1387     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id,
1388                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
1389                                         const void *p_cookie,
1390                                         size_t i_cookie_size,
1391                                         virtual_segment_c * & p_segment_found );
1392     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1393
1394     void PreloadFamily( const matroska_segment_c & of_segment );
1395     void PreloadLinked( matroska_segment_c *p_segment );
1396     bool PreparePlayback( virtual_segment_c *p_new_segment );
1397     matroska_stream_c *AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial = false );
1398     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1399
1400     void StartUiThread();
1401     void StopUiThread();
1402     bool b_ui_hooked;
1403     inline void SwapButtons();
1404
1405     /* for spu variables */
1406     input_thread_t *p_input;
1407     pci_t          pci_packet;
1408     bool           b_pci_packet_set;
1409     uint8_t        palette[4][4];
1410     vlc_mutex_t    lock_demuxer;
1411
1412     /* event */
1413     event_thread_t *p_ev;
1414     static int EventThread( vlc_object_t *p_this );
1415     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1416                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1417     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1418                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1419
1420
1421
1422 protected:
1423     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1424     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1425 };
1426
1427 static int  Demux  ( demux_t * );
1428 static int  Control( demux_t *, int, va_list );
1429 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1430
1431 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1432
1433 static inline char * ToUTF8( const UTFstring &u )
1434 {
1435     return strdup( u.GetUTF8().c_str() );
1436 }
1437
1438 /*****************************************************************************
1439  * Open: initializes matroska demux structures
1440  *****************************************************************************/
1441 static int Open( vlc_object_t * p_this )
1442 {
1443     demux_t            *p_demux = (demux_t*)p_this;
1444     demux_sys_t        *p_sys;
1445     matroska_stream_c  *p_stream;
1446     matroska_segment_c *p_segment;
1447     const uint8_t      *p_peek;
1448     std::string         s_path, s_filename;
1449     vlc_stream_io_callback *p_io_callback;
1450     EbmlStream         *p_io_stream;
1451
1452     /* peek the begining */
1453     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1454
1455     /* is a valid file */
1456     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1457         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1458
1459     /* Set the demux function */
1460     p_demux->pf_demux   = Demux;
1461     p_demux->pf_control = Control;
1462     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1463
1464     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1465     p_io_stream = new EbmlStream( *p_io_callback );
1466
1467     if( p_io_stream == NULL )
1468     {
1469         msg_Err( p_demux, "failed to create EbmlStream" );
1470         delete p_io_callback;
1471         delete p_sys;
1472         return VLC_EGENERIC;
1473     }
1474
1475     p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_io_stream, true );
1476     if( p_stream == NULL )
1477     {
1478         msg_Err( p_demux, "cannot find KaxSegment" );
1479         goto error;
1480     }
1481     p_sys->streams.push_back( p_stream );
1482
1483     p_stream->p_in = p_io_callback;
1484     p_stream->p_es = p_io_stream;
1485
1486     for (size_t i=0; i<p_stream->segments.size(); i++)
1487     {
1488         p_stream->segments[i]->Preload();
1489     }
1490
1491     p_segment = p_stream->segments[0];
1492     if( p_segment->cluster != NULL )
1493     {
1494         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1495
1496         // reset the stream reading to the first cluster of the segment used
1497         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1498     }
1499
1500     if (config_GetInt( p_demux, "mkv-preload-local-dir" ))
1501     {
1502         /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1503         if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1504         {
1505             // assume it's a regular file
1506             // get the directory path
1507             s_path = p_demux->psz_path;
1508             if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1509             {
1510                 s_path = s_path.substr(0,s_path.length()-1);
1511             }
1512             else
1513             {
1514                 if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0)
1515                 {
1516                     s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1517                 }
1518             }
1519
1520             DIR *p_src_dir = utf8_opendir(s_path.c_str());
1521
1522             if (p_src_dir != NULL)
1523             {
1524                 char *psz_file;
1525                 while ((psz_file = utf8_readdir(p_src_dir)) != NULL)
1526                 {
1527                     if (strlen(psz_file) > 4)
1528                     {
1529                         s_filename = s_path + DIRECTORY_SEPARATOR + psz_file;
1530
1531 #ifdef WIN32
1532                         if (!strcasecmp(s_filename.c_str(), p_demux->psz_path))
1533 #else
1534                         if (!s_filename.compare(p_demux->psz_path))
1535 #endif
1536                             continue; // don't reuse the original opened file
1537
1538 #if defined(__GNUC__) && (__GNUC__ < 3)
1539                         if (!s_filename.compare("mkv", s_filename.length() - 3, 3) ||
1540                             !s_filename.compare("mka", s_filename.length() - 3, 3))
1541 #else
1542                         if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") ||
1543                             !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1544 #endif
1545                         {
1546                             // test wether this file belongs to our family
1547                             const uint8_t *p_peek;
1548                             bool          file_ok = false;
1549                             stream_t      *p_file_stream = stream_UrlNew( 
1550                                                             p_demux, 
1551                                                             s_filename.c_str());
1552                             /* peek the begining */
1553                             if( p_file_stream &&
1554                                 stream_Peek( p_file_stream, &p_peek, 4 ) >= 4
1555                                 && p_peek[0] == 0x1a && p_peek[1] == 0x45 &&
1556                                 p_peek[2] == 0xdf && p_peek[3] == 0xa3 ) file_ok = true;
1557
1558                             if ( file_ok )
1559                             {
1560                                 vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
1561                                 EbmlStream *p_estream = new EbmlStream(*p_file_io);
1562
1563                                 p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_estream );
1564
1565                                 if ( p_stream == NULL )
1566                                 {
1567                                     msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1568                                     delete p_estream;
1569                                     delete p_file_io;
1570                                 }
1571                                 else
1572                                 {
1573                                     p_stream->p_in = p_file_io;
1574                                     p_stream->p_es = p_estream;
1575                                     p_sys->streams.push_back( p_stream );
1576                                 }
1577                             }
1578                             else
1579                             {
1580                                 if( p_file_stream ) {
1581                                     stream_Delete( p_file_stream );
1582                                 }
1583                                 msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1584                             }
1585                         }
1586                     }
1587                     free (psz_file);
1588                 }
1589                 closedir( p_src_dir );
1590             }
1591         }
1592
1593         p_sys->PreloadFamily( *p_segment );
1594     }
1595
1596     p_sys->PreloadLinked( p_segment );
1597
1598     if ( !p_sys->PreparePlayback( NULL ) )
1599     {
1600         msg_Err( p_demux, "cannot use the segment" );
1601         goto error;
1602     }
1603
1604     p_sys->StartUiThread();
1605     
1606     return VLC_SUCCESS;
1607
1608 error:
1609     delete p_sys;
1610     return VLC_EGENERIC;
1611 }
1612
1613 /*****************************************************************************
1614  * Close: frees unused data
1615  *****************************************************************************/
1616 static void Close( vlc_object_t *p_this )
1617 {
1618     demux_t     *p_demux = (demux_t*)p_this;
1619     demux_sys_t *p_sys   = p_demux->p_sys;
1620
1621     delete p_sys;
1622 }
1623
1624 /*****************************************************************************
1625  * Control:
1626  *****************************************************************************/
1627 static int Control( demux_t *p_demux, int i_query, va_list args )
1628 {
1629     demux_sys_t        *p_sys = p_demux->p_sys;
1630     int64_t     *pi64;
1631     double      *pf, f;
1632     int         i_skp;
1633     size_t      i_idx;
1634
1635     vlc_meta_t *p_meta;
1636     input_attachment_t ***ppp_attach;
1637     int *pi_int;
1638     int i;
1639
1640     switch( i_query )
1641     {
1642         case DEMUX_GET_ATTACHMENTS:
1643             ppp_attach = (input_attachment_t***)va_arg( args, input_attachment_t*** );
1644             pi_int = (int*)va_arg( args, int * );
1645
1646             if( p_sys->stored_attachments.size() <= 0 )
1647                 return VLC_EGENERIC;
1648
1649             *pi_int = p_sys->stored_attachments.size();
1650             *ppp_attach = (input_attachment_t**)malloc( sizeof(input_attachment_t**) *
1651                                                         p_sys->stored_attachments.size() );
1652             if( !(*ppp_attach) )
1653                 return VLC_ENOMEM;
1654             for( i = 0; i < p_sys->stored_attachments.size(); i++ )
1655             {
1656                 attachment_c *a = p_sys->stored_attachments[i];
1657                 (*ppp_attach)[i] = vlc_input_attachment_New( a->psz_file_name.c_str(), a->psz_mime_type.c_str(), NULL,
1658                                                              a->p_data, a->i_size );
1659             }
1660             return VLC_SUCCESS;
1661
1662         case DEMUX_GET_META:
1663             p_meta = (vlc_meta_t*)va_arg( args, vlc_meta_t* );
1664             vlc_meta_Merge( p_meta, p_sys->meta );
1665             return VLC_SUCCESS;
1666
1667         case DEMUX_GET_LENGTH:
1668             pi64 = (int64_t*)va_arg( args, int64_t * );
1669             if( p_sys->f_duration > 0.0 )
1670             {
1671                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1672                 return VLC_SUCCESS;
1673             }
1674             return VLC_EGENERIC;
1675
1676         case DEMUX_GET_POSITION:
1677             pf = (double*)va_arg( args, double * );
1678             if ( p_sys->f_duration > 0.0 )
1679                 *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);
1680             return VLC_SUCCESS;
1681
1682         case DEMUX_SET_POSITION:
1683             f = (double)va_arg( args, double );
1684             Seek( p_demux, -1, f, NULL );
1685             return VLC_SUCCESS;
1686
1687         case DEMUX_GET_TIME:
1688             pi64 = (int64_t*)va_arg( args, int64_t * );
1689             *pi64 = p_sys->i_pts;
1690             return VLC_SUCCESS;
1691
1692         case DEMUX_GET_TITLE_INFO:
1693             if( p_sys->titles.size() )
1694             {
1695                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1696                 int *pi_int    = (int*)va_arg( args, int* );
1697
1698                 *pi_int = p_sys->titles.size();
1699                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1700
1701                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1702                 {
1703                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1704                 }
1705
1706                 return VLC_SUCCESS;
1707             }
1708             return VLC_EGENERIC;
1709
1710         case DEMUX_SET_TITLE:
1711             /* TODO handle editions as titles */
1712             i_idx = (int)va_arg( args, int );
1713             if( i_idx < p_sys->used_segments.size() )
1714             {
1715                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1716                 return VLC_SUCCESS;
1717             }
1718             return VLC_EGENERIC;
1719
1720         case DEMUX_SET_SEEKPOINT:
1721             i_skp = (int)va_arg( args, int );
1722
1723             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1724             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1725             {
1726                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1727                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1728                 p_demux->info.i_seekpoint = i_skp;
1729                 return VLC_SUCCESS;
1730             }
1731             return VLC_EGENERIC;
1732
1733         case DEMUX_SET_TIME:
1734         case DEMUX_GET_FPS:
1735         default:
1736             return VLC_EGENERIC;
1737     }
1738 }
1739
1740 #if LIBMATROSKA_VERSION >= 0x000800
1741 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, KaxSimpleBlock * & pp_simpleblock, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1742 #else
1743 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1744 #endif
1745 {
1746 #if LIBMATROSKA_VERSION >= 0x000800
1747     pp_simpleblock = NULL;
1748 #endif
1749     pp_block = NULL;
1750     *pi_ref1  = 0;
1751     *pi_ref2  = 0;
1752
1753     for( ;; )
1754     {
1755         EbmlElement *el = NULL;
1756         int         i_level;
1757
1758         if ( ep == NULL )
1759             return VLC_EGENERIC;
1760
1761 #if LIBMATROSKA_VERSION >= 0x000800
1762         if( pp_simpleblock != NULL || ((el = ep->Get()) == NULL && pp_block != NULL) )
1763 #else
1764         if( (el = ep->Get()) == NULL && pp_block != NULL )
1765 #endif
1766         {
1767             /* update the index */
1768 #define idx p_indexes[i_index - 1]
1769             if( i_index > 0 && idx.i_time == -1 )
1770             {
1771 #if LIBMATROSKA_VERSION >= 0x000800
1772                 if ( pp_simpleblock != NULL )
1773                     idx.i_time        = pp_simpleblock->GlobalTimecode() / (mtime_t)1000;
1774                 else
1775 #endif
1776                     idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1777                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1778             }
1779 #undef idx
1780             return VLC_SUCCESS;
1781         }
1782
1783         i_level = ep->GetLevel();
1784
1785         if( el == NULL )
1786         {
1787             if( i_level > 1 )
1788             {
1789                 ep->Up();
1790                 continue;
1791             }
1792             msg_Warn( &sys.demuxer, "EOF" );
1793             return VLC_EGENERIC;
1794         }
1795
1796         /* do parsing */
1797         switch ( i_level )
1798         {
1799         case 1:
1800             if( MKV_IS_ID( el, KaxCluster ) )
1801             {
1802                 cluster = (KaxCluster*)el;
1803                 i_cluster_pos = cluster->GetElementPosition();
1804
1805                 /* add it to the index */
1806                 if( i_index == 0 ||
1807                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1808                 {
1809                     IndexAppendCluster( cluster );
1810                 }
1811
1812                 // reset silent tracks
1813                 for (size_t i=0; i<tracks.size(); i++)
1814                 {
1815                     tracks[i]->b_silent = VLC_FALSE;
1816                 }
1817
1818                 ep->Down();
1819             }
1820             else if( MKV_IS_ID( el, KaxCues ) )
1821             {
1822                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1823                 return VLC_EGENERIC;
1824             }
1825             else
1826             {
1827                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1828             }
1829             break;
1830         case 2:
1831             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1832             {
1833                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1834
1835                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1836                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1837             }
1838             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1839             {
1840                 ep->Down();
1841             }
1842             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1843             {
1844                 i_block_pos = el->GetElementPosition();
1845                 ep->Down();
1846             }
1847 #if LIBMATROSKA_VERSION >= 0x000800
1848             else if( MKV_IS_ID( el, KaxSimpleBlock ) )
1849             {
1850                 pp_simpleblock = (KaxSimpleBlock*)el;
1851
1852                 pp_simpleblock->ReadData( es.I_O() );
1853                 pp_simpleblock->SetParent( *cluster );
1854             }
1855 #endif
1856             break;
1857         case 3:
1858             if( MKV_IS_ID( el, KaxBlock ) )
1859             {
1860                 pp_block = (KaxBlock*)el;
1861
1862                 pp_block->ReadData( es.I_O() );
1863                 pp_block->SetParent( *cluster );
1864
1865                 ep->Keep();
1866             }
1867             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1868             {
1869                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1870
1871                 dur.ReadData( es.I_O() );
1872                 *pi_duration = uint64( dur );
1873             }
1874             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1875             {
1876                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1877
1878                 ref.ReadData( es.I_O() );
1879                 if( *pi_ref1 == 0 )
1880                 {
1881                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1882                 }
1883                 else if( *pi_ref2 == 0 )
1884                 {
1885                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1886                 }
1887             }
1888             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1889             {
1890                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1891                 track_num.ReadData( es.I_O() );
1892                 // find the track
1893                 for (size_t i=0; i<tracks.size(); i++)
1894                 {
1895                     if ( tracks[i]->i_number == uint32(track_num))
1896                     {
1897                         tracks[i]->b_silent = VLC_TRUE;
1898                         break;
1899                     }
1900                 }
1901             }
1902             break;
1903         default:
1904             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1905             return VLC_EGENERIC;
1906         }
1907     }
1908 }
1909
1910 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem, size_t offset)
1911 {
1912     block_t *p_block;
1913     if( !(p_block = block_New( p_demux, i_mem + offset ) ) ) return NULL;
1914     memcpy( p_block->p_buffer + offset, p_mem, i_mem );
1915     //p_block->i_rate = p_input->stream.control.i_rate;
1916     return p_block;
1917 }
1918
1919 #if LIBMATROSKA_VERSION >= 0x000800
1920 static void BlockDecode( demux_t *p_demux, KaxBlock *block, KaxSimpleBlock *simpleblock,
1921                          mtime_t i_pts, mtime_t i_duration, bool f_mandatory )
1922 #else
1923 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1924                          mtime_t i_duration, bool f_mandatory )
1925 #endif
1926 {
1927     demux_sys_t        *p_sys = p_demux->p_sys;
1928     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1929
1930     size_t          i_track;
1931     unsigned int    i;
1932     vlc_bool_t      b;
1933
1934 #define tk  p_segment->tracks[i_track]
1935     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1936     {
1937 #if LIBMATROSKA_VERSION >= 0x000800
1938         if( (block != NULL && tk->i_number == block->TrackNum()) ||
1939             (simpleblock != NULL && tk->i_number == simpleblock->TrackNum()))
1940 #else
1941         if( tk->i_number == block->TrackNum() )
1942 #endif
1943         {
1944             break;
1945         }
1946     }
1947
1948     if( i_track >= p_segment->tracks.size() )
1949     {
1950         msg_Err( p_demux, "invalid track number" );
1951         return;
1952     }
1953     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1954     {
1955         msg_Err( p_demux, "unknown track number" );
1956         return;
1957     }
1958     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1959     {
1960         return; /* discard audio packets that shouldn't be rendered */
1961     }
1962
1963     if ( tk->fmt.i_cat != NAV_ES )
1964     {
1965         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1966
1967         if( !b )
1968         {
1969             tk->b_inited = VLC_FALSE;
1970             return;
1971         }
1972     }
1973
1974
1975     /* First send init data */
1976     if( !tk->b_inited && tk->i_data_init > 0 )
1977     {
1978         block_t *p_init;
1979
1980         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1981         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init, 0 );
1982         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1983     }
1984     tk->b_inited = VLC_TRUE;
1985
1986
1987 #if LIBMATROSKA_VERSION >= 0x000800
1988     for( i = 0;
1989         (block != NULL && i < block->NumberFrames()) || (simpleblock != NULL && i < simpleblock->NumberFrames());
1990         i++ )
1991 #else
1992     for( i = 0; i < block->NumberFrames(); i++ )
1993 #endif
1994     {
1995         block_t *p_block;
1996         DataBuffer *data;
1997 #if LIBMATROSKA_VERSION >= 0x000800
1998         if ( simpleblock != NULL )
1999         {
2000             data = &simpleblock->GetBuffer(i);
2001             // condition when the DTS is correct (keyframe or B frame == NOT P frame)
2002             f_mandatory = simpleblock->IsDiscardable() || simpleblock->IsKeyframe();
2003         }
2004         else
2005 #endif
2006         data = &block->GetBuffer(i);
2007
2008         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER && tk->p_compression_data != NULL )
2009             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), tk->p_compression_data->GetSize() );
2010         else
2011             p_block = MemToBlock( p_demux, data->Buffer(), data->Size(), 0 );
2012
2013         if( p_block == NULL )
2014         {
2015             break;
2016         }
2017
2018 #if defined(HAVE_ZLIB_H)
2019         if( tk->i_compression_type == MATROSKA_COMPRESSION_ZLIB )
2020         {
2021             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
2022         }
2023         else
2024 #endif
2025         if( tk->i_compression_type == MATROSKA_COMPRESSION_HEADER )
2026         {
2027             memcpy( p_block->p_buffer, tk->p_compression_data->GetBuffer(), tk->p_compression_data->GetSize() );
2028         }
2029
2030         if ( tk->fmt.i_cat == NAV_ES )
2031         {
2032             // TODO handle the start/stop times of this packet
2033             if ( p_sys->b_ui_hooked )
2034             {
2035                 vlc_mutex_lock( &p_sys->p_ev->lock );
2036                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
2037                 p_sys->SwapButtons();
2038                 p_sys->b_pci_packet_set = true;
2039                 vlc_mutex_unlock( &p_sys->p_ev->lock );
2040                 block_Release( p_block );
2041             }
2042             return;
2043         }
2044         // correct timestamping when B frames are used
2045         if( tk->fmt.i_cat != VIDEO_ES )
2046         {
2047             p_block->i_dts = p_block->i_pts = i_pts;
2048         }
2049         else
2050         {
2051             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
2052             {
2053                 // in VFW we have no idea about B frames
2054                 p_block->i_pts = 0;
2055                 p_block->i_dts = i_pts;
2056             }
2057             else
2058             {
2059                 p_block->i_pts = i_pts;
2060                 if ( f_mandatory )
2061                     p_block->i_dts = p_block->i_pts;
2062                 else
2063                     p_block->i_dts = min( i_pts, tk->i_last_dts + (mtime_t)(tk->i_default_duration >> 10));
2064                 p_sys->i_pts = p_block->i_dts;
2065             }
2066         }
2067         tk->i_last_dts = p_block->i_dts;
2068
2069 #if 0
2070 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
2071 #endif
2072         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
2073         {
2074             p_block->i_length = i_duration * 1000;
2075         }
2076
2077         es_out_Send( p_demux->out, tk->p_es, p_block );
2078
2079         /* use time stamp only for first block */
2080         i_pts = 0;
2081     }
2082
2083 #undef tk
2084 }
2085
2086 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial )
2087 {
2088     int i_upper_lvl = 0;
2089     size_t i;
2090     EbmlElement *p_l0, *p_l1, *p_l2;
2091     bool b_keep_stream = false, b_keep_segment;
2092
2093     // verify the EBML Header
2094     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
2095     if (p_l0 == NULL)
2096     {
2097         msg_Err( p_demux, "No EBML header found" );
2098         return NULL;
2099     }
2100
2101     // verify we can read this Segment, we only support Matroska version 1 for now
2102     p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
2103
2104     EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
2105     if (std::string(doc_type) != "matroska")
2106     {
2107         msg_Err( p_demux, "Not a Matroska file : DocType = %s ", std::string(doc_type).c_str());
2108         return NULL;
2109     }
2110
2111     EDocTypeReadVersion doc_read_version = GetChild<EDocTypeReadVersion>(*static_cast<EbmlHead*>(p_l0));
2112 #if LIBMATROSKA_VERSION >= 0x000800
2113     if (uint64(doc_read_version) > 2)
2114     {
2115         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1 & 2", uint64(doc_read_version));
2116         return NULL;
2117     }
2118 #else
2119     if (uint64(doc_read_version) != 1)
2120     {
2121         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1", uint64(doc_read_version));
2122         return NULL;
2123     }
2124 #endif
2125
2126     delete p_l0;
2127
2128
2129     // find all segments in this file
2130     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
2131     if (p_l0 == NULL)
2132     {
2133         return NULL;
2134     }
2135
2136     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
2137
2138     while (p_l0 != 0)
2139     {
2140         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
2141         {
2142             EbmlParser  *ep;
2143             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
2144             b_keep_segment = b_initial;
2145
2146             ep = new EbmlParser(p_estream, p_l0, &demuxer );
2147             p_segment1->ep = ep;
2148             p_segment1->segment = (KaxSegment*)p_l0;
2149
2150             while ((p_l1 = ep->Get()))
2151             {
2152                 if (MKV_IS_ID(p_l1, KaxInfo))
2153                 {
2154                     // find the families of this segment
2155                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
2156
2157                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
2158                     for( i = 0; i < p_info->ListSize(); i++ )
2159                     {
2160                         EbmlElement *l = (*p_info)[i];
2161
2162                         if( MKV_IS_ID( l, KaxSegmentUID ) )
2163                         {
2164                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
2165                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
2166                             if ( !b_keep_segment )
2167                                 break; // this segment is already known
2168                             opened_segments.push_back( p_segment1 );
2169                             delete p_segment1->p_segment_uid;
2170                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
2171                         }
2172                         else if( MKV_IS_ID( l, KaxPrevUID ) )
2173                         {
2174                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
2175                         }
2176                         else if( MKV_IS_ID( l, KaxNextUID ) )
2177                         {
2178                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
2179                         }
2180                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
2181                         {
2182                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
2183                             p_segment1->families.push_back( p_fam );
2184                         }
2185                     }
2186                     break;
2187                 }
2188             }
2189             if ( b_keep_segment )
2190             {
2191                 b_keep_stream = true;
2192                 p_stream1->segments.push_back( p_segment1 );
2193             }
2194             else
2195             {
2196                 p_segment1->segment = NULL;
2197                 delete p_segment1;
2198             }
2199         }
2200         if (p_l0->IsFiniteSize() )
2201         {
2202             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2203             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2204         }
2205         else
2206             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2207     }
2208
2209     if ( !b_keep_stream )
2210     {
2211         delete p_stream1;
2212         p_stream1 = NULL;
2213     }
2214
2215     return p_stream1;
2216 }
2217
2218 bool matroska_segment_c::Select( mtime_t i_start_time )
2219 {
2220     size_t i_track;
2221
2222     /* add all es */
2223     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2224     sys.b_pci_packet_set = false;
2225
2226     for( i_track = 0; i_track < tracks.size(); i_track++ )
2227     {
2228         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2229         {
2230             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2231             tracks[i_track]->p_es = NULL;
2232             continue;
2233         }
2234
2235         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2236         {
2237             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2238             {
2239                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2240                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2241             }
2242             else
2243             {
2244                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2245
2246                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2247                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2248                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2249
2250                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2251                 if( tracks[i_track]->fmt.i_extra > 0 )
2252                 {
2253                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2254                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2255                 }
2256             }
2257         }
2258         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2259                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2260         {
2261             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2262         }
2263         else if( !strncmp( tracks[i_track]->psz_codec, "V_THEORA", 8 ) )
2264         {
2265             uint8_t *p_data = tracks[i_track]->p_extra_data;
2266             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'h', 'e', 'o' );
2267             if( tracks[i_track]->i_extra_data >= 4 ) {
2268                 if( p_data[0] == 2 ) {
2269                     int i = 1;
2270                     int i_size1 = 0, i_size2 = 0;
2271                     p_data++;
2272                     /* read size of first header packet */
2273                     while( *p_data == 0xFF &&
2274                            i < tracks[i_track]->i_extra_data )
2275                     {
2276                         i_size1 += *p_data;
2277                         p_data++;
2278                         i++;
2279                     }
2280                     i_size1 += *p_data;
2281                     p_data++;
2282                     i++;
2283                     msg_Dbg( &sys.demuxer, "first theora header size %d", i_size1 );
2284                     /* read size of second header packet */
2285                     while( *p_data == 0xFF &&
2286                            i < tracks[i_track]->i_extra_data )
2287                     {
2288                         i_size2 += *p_data;
2289                         p_data++;
2290                         i++;
2291                     }
2292                     i_size2 += *p_data;
2293                     p_data++;
2294                     i++;
2295                     int i_size3 = tracks[i_track]->i_extra_data - i - i_size1
2296                         - i_size2;
2297                     msg_Dbg( &sys.demuxer, "second theora header size %d", i_size2 );
2298                     msg_Dbg( &sys.demuxer, "third theora header size %d", i_size3 );
2299                     tracks[i_track]->fmt.i_extra = i_size1 + i_size2 + i_size3
2300                         + 6;
2301                     if( i_size1 > 0 && i_size2 > 0 && i_size3 > 0  ) {
2302                         tracks[i_track]->fmt.p_extra =
2303                             malloc( tracks[i_track]->fmt.i_extra );
2304                         uint8_t *p_out = (uint8_t*)tracks[i_track]->fmt.p_extra;
2305                         *p_out++ = (i_size1>>8) & 0xFF;
2306                         *p_out++ = i_size1 & 0xFF;
2307                         memcpy( p_out, p_data, i_size1 );
2308                         p_data += i_size1;
2309                         p_out += i_size1;
2310                         
2311                         *p_out++ = (i_size2>>8) & 0xFF;
2312                         *p_out++ = i_size2 & 0xFF;
2313                         memcpy( p_out, p_data, i_size2 );
2314                         p_data += i_size2;
2315                         p_out += i_size2;
2316
2317                         *p_out++ = (i_size3>>8) & 0xFF;
2318                         *p_out++ = i_size3 & 0xFF;
2319                         memcpy( p_out, p_data, i_size3 );
2320                         p_data += i_size3;
2321                         p_out += i_size3;
2322                     }
2323                     else
2324                     {
2325                         msg_Err( &sys.demuxer, "inconsistant theora extradata" );
2326                     }
2327                 }
2328                 else {
2329                     msg_Err( &sys.demuxer, "Wrong number of ogg packets with theora headers (%d)", p_data[0] + 1 );
2330                 }
2331             }
2332         }
2333         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2334         {
2335             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2336             {
2337                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2338             }
2339             else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO", 11 ) )
2340             {
2341                 /* A MPEG 4 codec, SP, ASP, AP or AVC */
2342                 if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2343                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2344                 else
2345                     tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2346                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2347                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2348                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2349             }
2350         }
2351         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2352         {
2353             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2354             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2355                                                        tracks[i_track]->p_extra_data,
2356                                                        tracks[i_track]->i_extra_data,
2357                                                        VLC_FALSE );
2358             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2359             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2360             tracks[i_track]->fmt.i_codec = p_box->i_type;
2361             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2362             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2363             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2364             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2365             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2366             MP4_FreeBox_sample_vide( p_box );
2367             stream_Delete( p_mp4_stream );
2368         }
2369         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2370         {
2371             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2372             {
2373                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2374                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2375             }
2376             else
2377             {
2378                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2379
2380                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2381
2382                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2383                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2384                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2385                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2386                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2387
2388                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2389                 if( tracks[i_track]->fmt.i_extra > 0 )
2390                 {
2391                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2392                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2393                 }
2394             }
2395         }
2396         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2397                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2398                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2399         {
2400             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2401         }
2402         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2403         {
2404             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2405         }
2406         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2407         {
2408             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2409         }
2410         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2411         {
2412             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2413             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2414             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2415             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2416         }
2417         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2418         {
2419             int i, i_offset = 1, i_size[3], i_extra;
2420             uint8_t *p_extra;
2421
2422             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2423
2424             /* Split the 3 headers */
2425             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2426                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2427
2428             for( i = 0; i < 2; i++ )
2429             {
2430                 i_size[i] = 0;
2431                 while( i_offset < tracks[i_track]->i_extra_data )
2432                 {
2433                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2434                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2435                 }
2436             }
2437
2438             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2439             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2440             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2441
2442             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2443             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2444             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2445             for( i = 0; i < 3; i++ )
2446             {
2447                 *(p_extra++) = i_size[i] >> 8;
2448                 *(p_extra++) = i_size[i] & 0xFF;
2449                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2450                         i_size[i] );
2451                 p_extra += i_size[i];
2452                 i_extra += i_size[i];
2453             }
2454         }
2455         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2456                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2457         {
2458             int i_profile, i_srate, sbr = 0;
2459             static unsigned int i_sample_rates[] =
2460             {
2461                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2462                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2463             };
2464
2465             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2466             /* create data for faad (MP4DecSpecificDescrTag)*/
2467
2468             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2469             {
2470                 i_profile = 0;
2471             }
2472             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2473             {
2474                 i_profile = 1;
2475             }
2476             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2477             {
2478                 i_profile = 2;
2479             }
2480             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC/SBR" ) )
2481             {
2482                 i_profile = 1;
2483                 sbr = 1;
2484             }
2485             else
2486             {
2487                 i_profile = 3;
2488             }
2489
2490             for( i_srate = 0; i_srate < 13; i_srate++ )
2491             {
2492                 if( i_sample_rates[i_srate] == tracks[i_track]->i_original_rate )
2493                 {
2494                     break;
2495                 }
2496             }
2497             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2498
2499             tracks[i_track]->fmt.i_extra = sbr ? 5 : 2;
2500             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2501             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2502             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2503             if (sbr != 0)
2504             {
2505                 int syncExtensionType = 0x2B7;
2506                 int iDSRI;
2507                 for (iDSRI=0; iDSRI<13; iDSRI++)
2508                     if( i_sample_rates[iDSRI] == tracks[i_track]->fmt.audio.i_rate )
2509                         break;
2510                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[2] = (syncExtensionType >> 3) & 0xFF;
2511                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[3] = ((syncExtensionType & 0x7) << 5) | 5;
2512                 ((uint8_t*)tracks[i_track]->fmt.p_extra)[4] = ((1 & 0x1) << 7) | (iDSRI << 3);
2513             }
2514         }
2515         else if( !strcmp( tracks[i_track]->psz_codec, "A_AAC" ) )
2516         {
2517             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2518             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2519             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2520             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2521         }
2522         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2523         {
2524             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'W', 'V', 'P', 'K' );
2525             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2526             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2527             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2528         }
2529         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2530         {
2531             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'T', 'T', 'A', '1' );
2532             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2533             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2534             memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2535         }
2536         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2537                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2538                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2539         {
2540             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2541             {
2542                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2543             }
2544             else
2545             {
2546                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2547             }
2548             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2549         }
2550         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2551         {
2552             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2553             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2554         }
2555         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/USF" ) )
2556         {
2557             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 's', 'f', ' ' );
2558             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2559             if( tracks[i_track]->i_extra_data )
2560             {
2561                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2562                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2563                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2564             }
2565         }
2566         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2567                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2568                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2569                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2570         {
2571             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2572             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2573             if( tracks[i_track]->i_extra_data )
2574             {
2575                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2576                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2577                 memcpy( tracks[i_track]->fmt.p_extra, tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2578             }
2579         }
2580         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2581         {
2582             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2583             if( tracks[i_track]->i_extra_data )
2584             {
2585                 char *p_start;
2586                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2587                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2588                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2589                 
2590                 p_start = strstr( p_buf, "size:" );
2591                 if( sscanf( p_start, "size: %dx%d",
2592                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2593                 {
2594                     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 );
2595                 }
2596                 else
2597                 {
2598                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2599                 }
2600                 free( p_buf );
2601             }
2602         }
2603         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2604         {
2605             tracks[i_track]->fmt.i_cat = NAV_ES;
2606             continue;
2607         }
2608         else
2609         {
2610             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2611             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2612         }
2613         if( tracks[i_track]->b_default )
2614         {
2615             tracks[i_track]->fmt.i_priority = 1000;
2616         }
2617
2618         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2619
2620         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2621     }
2622     
2623     sys.i_start_pts = i_start_time;
2624     // reset the stream reading to the first cluster of the segment used
2625     es.I_O().setFilePointer( i_start_pos );
2626
2627     delete ep;
2628     ep = new EbmlParser( &es, segment, &sys.demuxer );
2629
2630     return true;
2631 }
2632
2633 void demux_sys_t::StartUiThread()
2634 {
2635     if ( !b_ui_hooked )
2636     {
2637         msg_Dbg( &demuxer, "Starting the UI Hook" );
2638         b_ui_hooked = true;
2639         /* FIXME hack hack hack hack FIXME */
2640         /* Get p_input and create variable */
2641         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2642         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2643         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2644         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2645         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2646         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2647         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2648         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2649         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2650
2651         /* Now create our event thread catcher */
2652         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2653         p_ev->p_demux = &demuxer;
2654         p_ev->b_die = VLC_FALSE;
2655         vlc_mutex_init( p_ev, &p_ev->lock );
2656         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2657                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2658     }
2659 }
2660
2661 void demux_sys_t::StopUiThread()
2662 {
2663     if ( b_ui_hooked )
2664     {
2665         vlc_object_kill( p_ev );
2666         vlc_thread_join( p_ev );
2667         vlc_object_destroy( p_ev );
2668
2669         p_ev = NULL;
2670
2671         var_Destroy( p_input, "highlight-mutex" );
2672         var_Destroy( p_input, "highlight" );
2673         var_Destroy( p_input, "x-start" );
2674         var_Destroy( p_input, "x-end" );
2675         var_Destroy( p_input, "y-start" );
2676         var_Destroy( p_input, "y-end" );
2677         var_Destroy( p_input, "color" );
2678         var_Destroy( p_input, "menu-palette" );
2679
2680         vlc_object_release( p_input );
2681
2682         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2683     }
2684     b_ui_hooked = false;
2685 }
2686
2687 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2688                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2689 {
2690     event_thread_t *p_ev = (event_thread_t *) p_data;
2691     vlc_mutex_lock( &p_ev->lock );
2692     if( psz_var[6] == 'c' )
2693     {
2694         p_ev->b_clicked = VLC_TRUE;
2695         msg_Dbg( p_this, "Event Mouse: clicked");
2696     }
2697     else if( psz_var[6] == 'm' )
2698         p_ev->b_moved = VLC_TRUE;
2699     vlc_mutex_unlock( &p_ev->lock );
2700
2701     return VLC_SUCCESS;
2702 }
2703
2704 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2705                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2706 {
2707     event_thread_t *p_ev = (event_thread_t *) p_data;
2708     vlc_mutex_lock( &p_ev->lock );
2709     p_ev->b_key = VLC_TRUE;
2710     vlc_mutex_unlock( &p_ev->lock );
2711     msg_Dbg( p_this, "Event Key");
2712
2713     return VLC_SUCCESS;
2714 }
2715
2716 int demux_sys_t::EventThread( vlc_object_t *p_this )
2717 {
2718     event_thread_t *p_ev = (event_thread_t*)p_this;
2719     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2720     vlc_object_t   *p_vout = NULL;
2721
2722     p_ev->b_moved   = VLC_FALSE;
2723     p_ev->b_clicked = VLC_FALSE;
2724     p_ev->b_key     = VLC_FALSE;
2725
2726     /* catch all key event */
2727     var_AddCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
2728
2729     /* main loop */
2730     while( !p_ev->b_die )
2731     {
2732         if ( !p_sys->b_pci_packet_set )
2733         {
2734             /* Wait 100ms */
2735             msleep( 100000 );
2736             continue;
2737         }
2738
2739         vlc_bool_t b_activated = VLC_FALSE;
2740
2741         /* KEY part */
2742         if( p_ev->b_key )
2743         {
2744             vlc_value_t valk;
2745             struct libvlc_int_t::hotkey *p_hotkeys = p_ev->p_libvlc->p_hotkeys;
2746             int i, i_action = -1;
2747
2748             msg_Dbg( p_ev->p_demux, "Handle Key Event");
2749
2750             vlc_mutex_lock( &p_ev->lock );
2751
2752             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2753
2754             var_Get( p_ev->p_libvlc, "key-pressed", &valk );
2755             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2756             {
2757                 if( p_hotkeys[i].i_key == valk.i_int )
2758                 {
2759                     i_action = p_hotkeys[i].i_action;
2760                 }
2761             }
2762
2763             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2764
2765             switch( i_action )
2766             {
2767             case ACTIONID_NAV_LEFT:
2768                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2769                 {
2770                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2771                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2772                     {
2773                         i_curr_button = p_button_ptr->left;
2774                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2775                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2776                         if ( button_ptr.auto_action_mode )
2777                         {
2778                             vlc_mutex_unlock( &p_ev->lock );
2779                             vlc_mutex_lock( &p_sys->lock_demuxer );
2780
2781                             // process the button action
2782                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2783
2784                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2785                             vlc_mutex_lock( &p_ev->lock );
2786                         }
2787                     }
2788                 }
2789                 break;
2790             case ACTIONID_NAV_RIGHT:
2791                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2792                 {
2793                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2794                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2795                     {
2796                         i_curr_button = p_button_ptr->right;
2797                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2798                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2799                         if ( button_ptr.auto_action_mode )
2800                         {
2801                             vlc_mutex_unlock( &p_ev->lock );
2802                             vlc_mutex_lock( &p_sys->lock_demuxer );
2803
2804                             // process the button action
2805                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2806
2807                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2808                             vlc_mutex_lock( &p_ev->lock );
2809                         }
2810                     }
2811                 }
2812                 break;
2813             case ACTIONID_NAV_UP:
2814                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2815                 {
2816                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2817                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2818                     {
2819                         i_curr_button = p_button_ptr->up;
2820                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2821                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2822                         if ( button_ptr.auto_action_mode )
2823                         {
2824                             vlc_mutex_unlock( &p_ev->lock );
2825                             vlc_mutex_lock( &p_sys->lock_demuxer );
2826
2827                             // process the button action
2828                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2829
2830                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2831                             vlc_mutex_lock( &p_ev->lock );
2832                         }
2833                     }
2834                 }
2835                 break;
2836             case ACTIONID_NAV_DOWN:
2837                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2838                 {
2839                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2840                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2841                     {
2842                         i_curr_button = p_button_ptr->down;
2843                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2844                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2845                         if ( button_ptr.auto_action_mode )
2846                         {
2847                             vlc_mutex_unlock( &p_ev->lock );
2848                             vlc_mutex_lock( &p_sys->lock_demuxer );
2849
2850                             // process the button action
2851                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2852
2853                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2854                             vlc_mutex_lock( &p_ev->lock );
2855                         }
2856                     }
2857                 }
2858                 break;
2859             case ACTIONID_NAV_ACTIVATE:
2860                 b_activated = VLC_TRUE;
2861         
2862                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2863                 {
2864                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2865
2866                     vlc_mutex_unlock( &p_ev->lock );
2867                     vlc_mutex_lock( &p_sys->lock_demuxer );
2868
2869                     // process the button action
2870                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2871
2872                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2873                     vlc_mutex_lock( &p_ev->lock );
2874                 }
2875                 break;
2876             default:
2877                 break;
2878             }
2879             p_ev->b_key = VLC_FALSE;
2880             vlc_mutex_unlock( &p_ev->lock );
2881         }
2882
2883         /* MOUSE part */
2884         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2885         {
2886             vlc_value_t valx, valy;
2887
2888             vlc_mutex_lock( &p_ev->lock );
2889             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2890             var_Get( p_vout, "mouse-x", &valx );
2891             var_Get( p_vout, "mouse-y", &valy );
2892
2893             if( p_ev->b_clicked )
2894             {
2895                 int32_t button;
2896                 int32_t best,dist,d;
2897                 int32_t mx,my,dx,dy;
2898
2899                 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
2900
2901                 b_activated = VLC_TRUE;
2902                 // get current button
2903                 best = 0;
2904                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2905                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++)
2906                 {
2907                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2908
2909                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2910                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2911                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2912                      && ((unsigned)valy.i_int <= button_ptr->y_end))
2913                     {
2914                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2915                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2916                         dx = mx - valx.i_int;
2917                         dy = my - valy.i_int;
2918                         d = (dx*dx) + (dy*dy);
2919                         /* If the mouse is within the button and the mouse is closer
2920                         * to the center of this button then it is the best choice. */
2921                         if(d < dist) {
2922                             dist = d;
2923                             best = button;
2924                         }
2925                     }
2926                 }
2927
2928                 if ( best != 0)
2929                 {
2930                     btni_t button_ptr = pci->hli.btnit[best-1];
2931                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2932
2933                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2934                     vlc_mutex_unlock( &p_ev->lock );
2935                     vlc_mutex_lock( &p_sys->lock_demuxer );
2936
2937                     // process the button action
2938                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2939                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2940
2941                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2942
2943                     // select new button
2944                     if ( best != i_curr_button )
2945                     {
2946                         vlc_value_t val;
2947
2948                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2949                         {
2950                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2951                             uint32_t i_palette;
2952
2953                             if(button_ptr.btn_coln != 0) {
2954                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2955                             } else {
2956                                 i_palette = 0;
2957                             }
2958
2959                             for( int i = 0; i < 4; i++ )
2960                             {
2961                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2962                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2963                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2964
2965                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2966                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2967                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2968                                 p_sys->palette[i][3] = i_alpha;
2969                             }
2970
2971                             vlc_mutex_lock( p_mutex );
2972                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2973                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2974                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2975                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2976
2977                             val.p_address = (void *)p_sys->palette;
2978                             var_Set( p_sys->p_input, "menu-palette", val );
2979
2980                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2981                             vlc_mutex_unlock( p_mutex );
2982                         }
2983                     }
2984                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2985                     vlc_mutex_lock( &p_ev->lock );
2986                 }
2987             }
2988             else if( p_ev->b_moved )
2989             {
2990 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2991             }
2992
2993             p_ev->b_moved = VLC_FALSE;
2994             p_ev->b_clicked = VLC_FALSE;
2995             vlc_mutex_unlock( &p_ev->lock );
2996         }
2997
2998         /* VOUT part */
2999         if( p_vout && p_vout->b_die )
3000         {
3001             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3002             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3003             vlc_object_release( p_vout );
3004             p_vout = NULL;
3005         }
3006
3007         else if( p_vout == NULL )
3008         {
3009             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
3010                                       FIND_CHILD );
3011             if( p_vout)
3012             {
3013                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3014                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3015             }
3016         }
3017
3018         /* Wait a bit, 10ms */
3019         msleep( 10000 );
3020     }
3021
3022     /* Release callback */
3023     if( p_vout )
3024     {
3025         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
3026         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
3027         vlc_object_release( p_vout );
3028     }
3029     var_DelCallback( p_ev->p_libvlc, "key-pressed", EventKey, p_ev );
3030
3031     vlc_mutex_destroy( &p_ev->lock );
3032
3033     return VLC_SUCCESS;
3034 }
3035
3036 void matroska_segment_c::UnSelect( )
3037 {
3038     size_t i_track;
3039
3040     for( i_track = 0; i_track < tracks.size(); i_track++ )
3041     {
3042         if ( tracks[i_track]->p_es != NULL )
3043         {
3044 //            es_format_Clean( &tracks[i_track]->fmt );
3045             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
3046             tracks[i_track]->p_es = NULL;
3047         }
3048     }
3049     delete ep;
3050     ep = NULL;
3051 }
3052
3053 void virtual_segment_c::PrepareChapters( )
3054 {
3055     if ( linked_segments.size() == 0 )
3056         return;
3057
3058     // !!! should be called only once !!!
3059     matroska_segment_c *p_segment;
3060     size_t i, j;
3061
3062     // copy editions from the first segment
3063     p_segment = linked_segments[0];
3064     p_editions = &p_segment->stored_editions;
3065
3066     for ( i=1 ; i<linked_segments.size(); i++ )
3067     {
3068         p_segment = linked_segments[i];
3069         // FIXME assume we have the same editions in all segments
3070         for (j=0; j<p_segment->stored_editions.size(); j++)
3071             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
3072     }
3073 }
3074
3075 std::string chapter_edition_c::GetMainName() const
3076 {
3077     if ( sub_chapters.size() )
3078     {
3079         return sub_chapters[0]->GetCodecName( true );
3080     }
3081     return "";
3082 }
3083
3084 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
3085 {
3086     // add support for meta-elements from codec like DVD Titles
3087     if ( !b_display_seekpoint || psz_name == "" )
3088     {
3089         psz_name = GetCodecName();
3090         if ( psz_name != "" )
3091             b_display_seekpoint = true;
3092     }
3093
3094     if (b_display_seekpoint)
3095     {
3096         seekpoint_t *sk = vlc_seekpoint_New();
3097
3098         sk->i_level = i_level;
3099         sk->i_time_offset = i_start_time;
3100         sk->psz_name = strdup( psz_name.c_str() );
3101
3102         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
3103         title.i_seekpoint++;
3104         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
3105         title.seekpoint[title.i_seekpoint-1] = sk;
3106
3107         if ( b_user_display )
3108             i_user_chapters++;
3109     }
3110
3111     for ( size_t i=0; i<sub_chapters.size() ; i++)
3112     {
3113         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
3114     }
3115
3116     i_seekpoint_num = i_user_chapters;
3117
3118     return i_user_chapters;
3119 }
3120
3121 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
3122 {
3123     demux_sys_t & sys = *demux.p_sys;
3124     chapter_item_c *psz_curr_chapter;
3125     bool b_has_seeked = false;
3126
3127     /* update current chapter/seekpoint */
3128     if ( p_editions->size() )
3129     {
3130         /* 1st, we need to know in which chapter we are */
3131         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
3132
3133         /* we have moved to a new chapter */
3134         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
3135         {
3136             if ( (*p_editions)[i_current_edition]->b_ordered )
3137             {
3138                 // Leave/Enter up to the link point
3139                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
3140                 if ( !b_has_seeked )
3141                 {
3142                     // only physically seek if necessary
3143                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
3144                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
3145                 }
3146             }
3147             
3148             if ( !b_has_seeked )
3149             {
3150                 psz_current_chapter = psz_curr_chapter;
3151                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
3152                 {
3153                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
3154                     demux.info.i_title = sys.i_current_title = i_sys_title;
3155                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
3156                 }
3157             }
3158
3159             return true;
3160         }
3161         else if (psz_curr_chapter == NULL)
3162         {
3163             // out of the scope of the data described by chapters, leave the edition
3164             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
3165             {
3166                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
3167                     psz_current_chapter = NULL;
3168                 else
3169                     return true;
3170             }
3171         }
3172     }
3173     return false;
3174 }
3175
3176 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id,
3177                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3178                                     const void *p_cookie,
3179                                     size_t i_cookie_size )
3180 {
3181     // FIXME don't assume it is the first edition
3182     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3183     if ( index != p_editions->end() )
3184     {
3185         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3186         if ( p_result != NULL )
3187             return p_result;
3188     }
3189     return NULL;
3190 }
3191
3192 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
3193 {
3194     // FIXME don't assume it is the first edition
3195     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
3196     if ( index != p_editions->end() )
3197     {
3198         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
3199         if ( p_result != NULL )
3200             return p_result;
3201     }
3202     return NULL;
3203 }
3204
3205 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id,
3206                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
3207                                     const void *p_cookie,
3208                                     size_t i_cookie_size )
3209 {
3210     // this chapter
3211     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3212     while ( index != codecs.end() )
3213     {
3214         if ( match( **index ,p_cookie, i_cookie_size ) )
3215             return this;
3216         index++;
3217     }
3218     
3219     // sub-chapters
3220     chapter_item_c *p_result = NULL;
3221     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
3222     while ( index2 != sub_chapters.end() )
3223     {
3224         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
3225         if ( p_result != NULL )
3226             return p_result;
3227         index2++;
3228     }
3229     
3230     return p_result;
3231 }
3232
3233 void chapter_item_c::Append( const chapter_item_c & chapter )
3234 {
3235     // we are appending content for the same chapter UID
3236     size_t i;
3237     chapter_item_c *p_chapter;
3238
3239     for ( i=0; i<chapter.sub_chapters.size(); i++ )
3240     {
3241         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
3242         if ( p_chapter != NULL )
3243         {
3244             p_chapter->Append( *chapter.sub_chapters[i] );
3245         }
3246         else
3247         {
3248             sub_chapters.push_back( chapter.sub_chapters[i] );
3249         }
3250     }
3251
3252     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
3253     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
3254 }
3255
3256 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
3257 {
3258     size_t i;
3259     chapter_item_c *p_result = NULL;
3260
3261     if ( i_uid == i_find_uid )
3262         return this;
3263
3264     for ( i=0; i<sub_chapters.size(); i++)
3265     {
3266         p_result = sub_chapters[i]->FindChapter( i_find_uid );
3267         if ( p_result != NULL )
3268             break;
3269     }
3270     return p_result;
3271 }
3272
3273 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
3274 {
3275     std::string result;
3276
3277     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3278     while ( index != codecs.end() )
3279     {
3280         result = (*index)->GetCodecName( f_for_title );
3281         if ( result != "" )
3282             break;
3283         index++;
3284     }
3285
3286     return result;
3287 }
3288
3289 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
3290 {
3291     std::string result;
3292     if ( p_private_data->GetSize() >= 3)
3293     {
3294         const binary* p_data = p_private_data->GetBuffer();
3295 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
3296         {
3297             uint16_t i_title = (p_data[1] << 8) + p_data[2];
3298             char psz_str[11];
3299             sprintf( psz_str, " %d  ---", i_title );
3300             result = N_("---  DVD Title");
3301             result += psz_str;
3302         }
3303         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3304         {
3305             char psz_str[11];
3306             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3307             result = N_("---  DVD Menu");
3308             result += psz_str;
3309         }
3310         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3311         {
3312             if ( p_data[1] == 0x00 )
3313                 result = N_("First Played");
3314             else if ( p_data[1] == 0xC0 )
3315                 result = N_("Video Manager");
3316             else if ( p_data[1] == 0x80 )
3317             {
3318                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3319                 char psz_str[20];
3320                 sprintf( psz_str, " %d -----", i_title );
3321                 result = N_("----- Title");
3322                 result += psz_str;
3323             }
3324         }
3325     }
3326
3327     return result;
3328 }
3329
3330 int16 chapter_item_c::GetTitleNumber( ) const
3331 {
3332     int result = -1;
3333
3334     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3335     while ( index != codecs.end() )
3336     {
3337         result = (*index)->GetTitleNumber( );
3338         if ( result >= 0 )
3339             break;
3340         index++;
3341     }
3342
3343     return result;
3344 }
3345
3346 int16 dvd_chapter_codec_c::GetTitleNumber()
3347 {
3348     if ( p_private_data->GetSize() >= 3)
3349     {
3350         const binary* p_data = p_private_data->GetBuffer();
3351         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3352         {
3353             return int16( (p_data[2] << 8) + p_data[3] );
3354         }
3355     }
3356     return -1;
3357 }
3358
3359 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3360 {
3361     demux_sys_t        *p_sys = p_demux->p_sys;
3362     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3363     matroska_segment_c *p_segment = p_vsegment->Segment();
3364     mtime_t            i_time_offset = 0;
3365
3366     int         i_index;
3367
3368     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3369     if( i_date < 0 && f_percent < 0 )
3370     {
3371         msg_Warn( p_demux, "cannot seek nowhere !" );
3372         return;
3373     }
3374     if( f_percent > 1.0 )
3375     {
3376         msg_Warn( p_demux, "cannot seek so far !" );
3377         return;
3378     }
3379
3380     /* seek without index or without date */
3381     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3382     {
3383         if (p_sys->f_duration >= 0)
3384         {
3385             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3386         }
3387         else
3388         {
3389             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3390
3391             msg_Dbg( p_demux, "inacurate way of seeking" );
3392             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3393             {
3394                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3395                 {
3396                     break;
3397                 }
3398             }
3399             if( i_index == p_segment->i_index )
3400             {
3401                 i_index--;
3402             }
3403
3404             i_date = p_segment->p_indexes[i_index].i_time;
3405
3406 #if 0
3407             if( p_segment->p_indexes[i_index].i_position < i_pos )
3408             {
3409                 EbmlElement *el;
3410
3411                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3412
3413                 /* search a cluster */
3414                 while( ( el = p_sys->ep->Get() ) != NULL )
3415                 {
3416                     if( MKV_IS_ID( el, KaxCluster ) )
3417                     {
3418                         KaxCluster *cluster = (KaxCluster*)el;
3419
3420                         /* add it to the index */
3421                         p_segment->IndexAppendCluster( cluster );
3422
3423                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3424                         {
3425                             p_sys->cluster = cluster;
3426                             p_sys->ep->Down();
3427                             break;
3428                         }
3429                     }
3430                 }
3431             }
3432 #endif
3433         }
3434     }
3435
3436     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3437 }
3438
3439 /*****************************************************************************
3440  * Demux: reads and demuxes data packets
3441  *****************************************************************************
3442  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3443  *****************************************************************************/
3444 static int Demux( demux_t *p_demux)
3445 {
3446     demux_sys_t        *p_sys = p_demux->p_sys;
3447
3448     vlc_mutex_lock( &p_sys->lock_demuxer );
3449
3450     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3451     matroska_segment_c *p_segment = p_vsegment->Segment();
3452     if ( p_segment == NULL ) return 0;
3453     int                i_block_count = 0;
3454     int                i_return = 0;
3455
3456     for( ;; )
3457     {
3458         if ( p_sys->demuxer.b_die )
3459             break;
3460
3461         if( p_sys->i_pts >= p_sys->i_start_pts  )
3462             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3463             {
3464                 i_return = 1;
3465                 break;
3466             }
3467         
3468         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3469         {
3470             /* nothing left to read in this ordered edition */
3471             if ( !p_vsegment->SelectNext() )
3472                 break;
3473             p_segment->UnSelect( );
3474             
3475             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3476
3477             /* switch to the next segment */
3478             p_segment = p_vsegment->Segment();
3479             if ( !p_segment->Select( 0 ) )
3480             {
3481                 msg_Err( p_demux, "Failed to select new segment" );
3482                 break;
3483             }
3484             continue;
3485         }
3486
3487         KaxBlock *block;
3488         int64_t i_block_duration = 0;
3489         int64_t i_block_ref1;
3490         int64_t i_block_ref2;
3491
3492 #if LIBMATROSKA_VERSION >= 0x000800
3493         KaxSimpleBlock *simpleblock;
3494
3495         if( p_segment->BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3496 #else
3497         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3498 #endif
3499         {
3500             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3501             {
3502                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3503                 // check if there are more chapters to read
3504                 if ( p_chap != NULL )
3505                 {
3506                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3507                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3508                         p_vsegment->SelectNext();
3509                     */
3510                     p_sys->i_pts = p_chap->i_user_end_time;
3511                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3512
3513                     i_return = 1;
3514                 }
3515
3516                 break;
3517             }
3518             else
3519             {
3520                 msg_Warn( p_demux, "cannot get block EOF?" );
3521                 p_segment->UnSelect( );
3522                 
3523                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3524
3525                 /* switch to the next segment */
3526                 if ( !p_vsegment->SelectNext() )
3527                     // no more segments in this stream
3528                     break;
3529                 p_segment = p_vsegment->Segment();
3530                 if ( !p_segment->Select( 0 ) )
3531                 {
3532                     msg_Err( p_demux, "Failed to select new segment" );
3533                     break;
3534                 }
3535
3536                 continue;
3537             }
3538         }
3539
3540 #if LIBMATROSKA_VERSION >= 0x000800
3541         if ( simpleblock != NULL )
3542             p_sys->i_pts = (p_sys->i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
3543         else
3544 #endif
3545         p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3546
3547         if( p_sys->i_pts >= p_sys->i_start_pts  )
3548         {
3549             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3550
3551             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3552             {
3553                 i_return = 1;
3554                 delete block;
3555                 break;
3556             }
3557         }
3558         
3559         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3560         {
3561             /* nothing left to read in this ordered edition */
3562             if ( !p_vsegment->SelectNext() )
3563             {
3564                 delete block;
3565                 break;
3566             }
3567             p_segment->UnSelect( );
3568             
3569             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3570
3571             /* switch to the next segment */
3572             p_segment = p_vsegment->Segment();
3573             if ( !p_segment->Select( 0 ) )
3574             {
3575                 msg_Err( p_demux, "Failed to select new segment" );
3576                 delete block;
3577                 break;
3578             }
3579             delete block;
3580             continue;
3581         }
3582
3583 #if LIBMATROSKA_VERSION >= 0x000800
3584         BlockDecode( p_demux, block, simpleblock, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3585 #else
3586         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3587 #endif
3588
3589         delete block;
3590         i_block_count++;
3591
3592         // TODO optimize when there is need to leave or when seeking has been called
3593         if( i_block_count > 5 )
3594         {
3595             i_return = 1;
3596             break;
3597         }
3598     }
3599
3600     vlc_mutex_unlock( &p_sys->lock_demuxer );
3601
3602     return i_return;
3603 }
3604
3605
3606
3607 /*****************************************************************************
3608  * Stream managment
3609  *****************************************************************************/
3610 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3611 {
3612     s = s_;
3613     b_owner = b_owner_;
3614     mb_eof = VLC_FALSE;
3615 }
3616
3617 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3618 {
3619     if( i_size <= 0 || mb_eof )
3620     {
3621         return 0;
3622     }
3623
3624     return stream_Read( s, p_buffer, i_size );
3625 }
3626 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3627 {
3628     int64_t i_pos;
3629
3630     switch( mode )
3631     {
3632         case seek_beginning:
3633             i_pos = i_offset;
3634             break;
3635         case seek_end:
3636             i_pos = stream_Size( s ) - i_offset;
3637             break;
3638         default:
3639             i_pos= stream_Tell( s ) + i_offset;
3640             break;
3641     }
3642
3643     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3644     {
3645         mb_eof = VLC_TRUE;
3646         return;
3647     }
3648
3649     mb_eof = VLC_FALSE;
3650     if( stream_Seek( s, i_pos ) )
3651     {
3652         mb_eof = VLC_TRUE;
3653     }
3654     return;
3655 }
3656 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3657 {
3658     return 0;
3659 }
3660 uint64 vlc_stream_io_callback::getFilePointer( void )
3661 {
3662     if ( s == NULL )
3663         return 0;
3664     return stream_Tell( s );
3665 }
3666 void vlc_stream_io_callback::close( void )
3667 {
3668     return;
3669 }
3670
3671
3672 /*****************************************************************************
3673  * Ebml Stream parser
3674  *****************************************************************************/
3675 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3676 {
3677     int i;
3678
3679     m_es = es;
3680     m_got = NULL;
3681     m_el[0] = el_start;
3682     mi_remain_size[0] = el_start->GetSize();
3683
3684     for( i = 1; i < 6; i++ )
3685     {
3686         m_el[i] = NULL;
3687     }
3688     mi_level = 1;
3689     mi_user_level = 1;
3690     mb_keep = VLC_FALSE;
3691     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3692 }
3693
3694 EbmlParser::~EbmlParser( void )
3695 {
3696     int i;
3697
3698     for( i = 1; i < mi_level; i++ )
3699     {
3700         if( !mb_keep )
3701         {
3702             delete m_el[i];
3703         }
3704         mb_keep = VLC_FALSE;
3705     }
3706 }
3707
3708 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3709 {
3710     if ( mi_user_level > mi_level )
3711     {
3712         while ( mi_user_level != mi_level )
3713         {
3714             delete m_el[mi_user_level];
3715             m_el[mi_user_level] = NULL;
3716             mi_user_level--;
3717         }
3718     }
3719     m_got = NULL;
3720     mb_keep = VLC_FALSE;
3721     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3722     {
3723         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3724         return (EbmlMaster*) m_el[1];
3725     }
3726     else
3727     {
3728         // seek to the previous Cluster
3729         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3730         mi_level--;
3731         mi_user_level--;
3732         delete m_el[mi_level];
3733         m_el[mi_level] = NULL;
3734         return NULL;
3735     }
3736 }
3737
3738 void EbmlParser::Up( void )
3739 {
3740     if( mi_user_level == mi_level )
3741     {
3742         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3743     }
3744
3745     mi_user_level--;
3746 }
3747
3748 void EbmlParser::Down( void )
3749 {
3750     mi_user_level++;
3751     mi_level++;
3752 }
3753
3754 void EbmlParser::Keep( void )
3755 {
3756     mb_keep = VLC_TRUE;
3757 }
3758
3759 int EbmlParser::GetLevel( void )
3760 {
3761     return mi_user_level;
3762 }
3763
3764 void EbmlParser::Reset( demux_t *p_demux )
3765 {
3766     while ( mi_level > 0)
3767     {
3768         delete m_el[mi_level];
3769         m_el[mi_level] = NULL;
3770         mi_level--;
3771     }
3772     mi_user_level = mi_level = 1;
3773 #if LIBEBML_VERSION >= 0x000704
3774     // a little faster and cleaner
3775     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3776 #else
3777     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3778 #endif
3779     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3780 }
3781
3782 EbmlElement *EbmlParser::Get( void )
3783 {
3784     int i_ulev = 0;
3785
3786     if( mi_user_level != mi_level )
3787     {
3788         return NULL;
3789     }
3790     if( m_got )
3791     {
3792         EbmlElement *ret = m_got;
3793         m_got = NULL;
3794
3795         return ret;
3796     }
3797
3798     if( m_el[mi_level] )
3799     {
3800         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3801         if( !mb_keep )
3802         {
3803             delete m_el[mi_level];
3804         }
3805         mb_keep = VLC_FALSE;
3806     }
3807
3808     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3809 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3810     if( i_ulev > 0 )
3811     {
3812         while( i_ulev > 0 )
3813         {
3814             if( mi_level == 1 )
3815             {
3816                 mi_level = 0;
3817                 return NULL;
3818             }
3819
3820             delete m_el[mi_level - 1];
3821             m_got = m_el[mi_level -1] = m_el[mi_level];
3822             m_el[mi_level] = NULL;
3823
3824             mi_level--;
3825             i_ulev--;
3826         }
3827         return NULL;
3828     }
3829     else if( m_el[mi_level] == NULL )
3830     {
3831         fprintf( stderr," m_el[mi_level] == NULL\n" );
3832     }
3833
3834     return m_el[mi_level];
3835 }
3836
3837
3838 /*****************************************************************************
3839  * Tools
3840  *  * LoadCues : load the cues element and update index
3841  *
3842  *  * LoadTags : load ... the tags element
3843  *
3844  *  * InformationCreate : create all information, load tags if present
3845  *
3846  *****************************************************************************/
3847 void matroska_segment_c::LoadCues( )
3848 {
3849     int64_t     i_sav_position = es.I_O().getFilePointer();
3850     EbmlParser  *ep;
3851     EbmlElement *el, *cues;
3852
3853     /* *** Load the cue if found *** */
3854     if( i_cues_position < 0 )
3855     {
3856         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3857
3858 //        IndexAppendCluster( cluster );
3859     }
3860
3861     vlc_bool_t b_seekable;
3862
3863     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3864     if( !b_seekable )
3865         return;
3866
3867     msg_Dbg( &sys.demuxer, "loading cues" );
3868     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3869     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3870
3871     if( cues == NULL )
3872     {
3873         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3874         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3875         return;
3876     }
3877
3878     ep = new EbmlParser( &es, cues, &sys.demuxer );
3879     while( ( el = ep->Get() ) != NULL )
3880     {
3881         if( MKV_IS_ID( el, KaxCuePoint ) )
3882         {
3883 #define idx p_indexes[i_index]
3884
3885             idx.i_track       = -1;
3886             idx.i_block_number= -1;
3887             idx.i_position    = -1;
3888             idx.i_time        = 0;
3889             idx.b_key         = VLC_TRUE;
3890
3891             ep->Down();
3892             while( ( el = ep->Get() ) != NULL )
3893             {
3894                 if( MKV_IS_ID( el, KaxCueTime ) )
3895                 {
3896                     KaxCueTime &ctime = *(KaxCueTime*)el;
3897
3898                     ctime.ReadData( es.I_O() );
3899
3900                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3901                 }
3902                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3903                 {
3904                     ep->Down();
3905                     while( ( el = ep->Get() ) != NULL )
3906                     {
3907                         if( MKV_IS_ID( el, KaxCueTrack ) )
3908                         {
3909                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3910
3911                             ctrack.ReadData( es.I_O() );
3912                             idx.i_track = uint16( ctrack );
3913                         }
3914                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3915                         {
3916                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3917
3918                             ccpos.ReadData( es.I_O() );
3919                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3920                         }
3921                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3922                         {
3923                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3924
3925                             cbnum.ReadData( es.I_O() );
3926                             idx.i_block_number = uint32( cbnum );
3927                         }
3928                         else
3929                         {
3930                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3931                         }
3932                     }
3933                     ep->Up();
3934                 }
3935                 else
3936                 {
3937                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3938                 }
3939             }
3940             ep->Up();
3941
3942 #if 0
3943             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3944                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3945                      idx.i_track, idx.i_block_number );
3946 #endif
3947
3948             i_index++;
3949             if( i_index >= i_index_max )
3950             {
3951                 i_index_max += 1024;
3952                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3953             }
3954 #undef idx
3955         }
3956         else
3957         {
3958             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3959         }
3960     }
3961     delete ep;
3962     delete cues;
3963
3964     b_cues = VLC_TRUE;
3965
3966     msg_Dbg( &sys.demuxer, "loading cues done." );
3967     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3968 }
3969
3970 void matroska_segment_c::LoadTags( )
3971 {
3972     int64_t     i_sav_position = es.I_O().getFilePointer();
3973     EbmlParser  *ep;
3974     EbmlElement *el, *tags;
3975
3976     msg_Dbg( &sys.demuxer, "loading tags" );
3977     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3978     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3979
3980     if( tags == NULL )
3981     {
3982         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3983         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3984         return;
3985     }
3986
3987     msg_Dbg( &sys.demuxer, "Tags" );
3988     ep = new EbmlParser( &es, tags, &sys.demuxer );
3989     while( ( el = ep->Get() ) != NULL )
3990     {
3991         if( MKV_IS_ID( el, KaxTag ) )
3992         {
3993             msg_Dbg( &sys.demuxer, "+ Tag" );
3994             ep->Down();
3995             while( ( el = ep->Get() ) != NULL )
3996             {
3997                 if( MKV_IS_ID( el, KaxTagTargets ) )
3998                 {
3999                     msg_Dbg( &sys.demuxer, "|   + Targets" );
4000                     ep->Down();
4001                     while( ( el = ep->Get() ) != NULL )
4002                     {
4003                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4004                     }
4005                     ep->Up();
4006                 }
4007                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
4008                 {
4009                     msg_Dbg( &sys.demuxer, "|   + General" );
4010                     ep->Down();
4011                     while( ( el = ep->Get() ) != NULL )
4012                     {
4013                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4014                     }
4015                     ep->Up();
4016                 }
4017                 else if( MKV_IS_ID( el, KaxTagGenres ) )
4018                 {
4019                     msg_Dbg( &sys.demuxer, "|   + Genres" );
4020                     ep->Down();
4021                     while( ( el = ep->Get() ) != NULL )
4022                     {
4023                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4024                     }
4025                     ep->Up();
4026                 }
4027                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
4028                 {
4029                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
4030                     ep->Down();
4031                     while( ( el = ep->Get() ) != NULL )
4032                     {
4033                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4034                     }
4035                     ep->Up();
4036                 }
4037                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
4038                 {
4039                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
4040                     ep->Down();
4041                     while( ( el = ep->Get() ) != NULL )
4042                     {
4043                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
4044                     }
4045                     ep->Up();
4046                 }
4047                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
4048                 {
4049                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
4050                 }
4051                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
4052                 {
4053                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
4054                 }
4055                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
4056                 {
4057                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
4058                 }
4059                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
4060                 {
4061                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
4062                 }
4063                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
4064                 {
4065                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
4066                 }
4067                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
4068                 {
4069                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
4070                 }
4071                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
4072                 {
4073                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
4074                 }
4075                 else
4076                 {
4077                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
4078                 }
4079             }
4080             ep->Up();
4081         }
4082         else
4083         {
4084             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
4085         }
4086     }
4087     delete ep;
4088     delete tags;
4089
4090     msg_Dbg( &sys.demuxer, "loading tags done." );
4091     es.I_O().setFilePointer( i_sav_position, seek_beginning );
4092 }
4093
4094 /*****************************************************************************
4095  * ParseSeekHead:
4096  *****************************************************************************/
4097 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
4098 {
4099     EbmlElement *el;
4100     size_t i, j;
4101     int i_upper_level = 0;
4102
4103     msg_Dbg( &sys.demuxer, "|   + Seek head" );
4104
4105     /* Master elements */
4106     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
4107
4108     for( i = 0; i < seekhead->ListSize(); i++ )
4109     {
4110         EbmlElement *l = (*seekhead)[i];
4111
4112         if( MKV_IS_ID( l, KaxSeek ) )
4113         {
4114             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
4115             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
4116             int64_t i_pos = -1;
4117
4118             for( j = 0; j < sk->ListSize(); j++ )
4119             {
4120                 EbmlElement *l = (*sk)[j];
4121
4122                 if( MKV_IS_ID( l, KaxSeekID ) )
4123                 {
4124                     KaxSeekID &sid = *(KaxSeekID*)l;
4125                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
4126                 }
4127                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
4128                 {
4129                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
4130                     i_pos = uint64( spos );
4131                 }
4132                 else
4133                 {
4134                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4135                 }
4136             }
4137
4138             if( i_pos >= 0 )
4139             {
4140                 if( id == KaxCues::ClassInfos.GlobalId )
4141                 {
4142                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
4143                     i_cues_position = segment->GetGlobalPosition( i_pos );
4144                 }
4145                 else if( id == KaxChapters::ClassInfos.GlobalId )
4146                 {
4147                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
4148                     i_chapters_position = segment->GetGlobalPosition( i_pos );
4149                 }
4150                 else if( id == KaxTags::ClassInfos.GlobalId )
4151                 {
4152                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
4153                     i_tags_position = segment->GetGlobalPosition( i_pos );
4154                 }
4155             }
4156         }
4157         else
4158         {
4159             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4160         }
4161     }
4162 }
4163
4164 /*****************************************************************************
4165  * ParseTrackEntry:
4166  *****************************************************************************/
4167 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
4168 {
4169     size_t i, j, k, n;
4170     bool bSupported = true;
4171
4172     mkv_track_t *tk;
4173
4174     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
4175
4176     tk = new mkv_track_t();
4177
4178     /* Init the track */
4179     memset( tk, 0, sizeof( mkv_track_t ) );
4180
4181     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
4182     tk->fmt.psz_language = strdup("English");
4183     tk->fmt.psz_description = NULL;
4184
4185     tk->b_default = VLC_TRUE;
4186     tk->b_enabled = VLC_TRUE;
4187     tk->b_silent = VLC_FALSE;
4188     tk->i_number = tracks.size() - 1;
4189     tk->i_extra_data = 0;
4190     tk->p_extra_data = NULL;
4191     tk->psz_codec = NULL;
4192     tk->i_default_duration = 0;
4193     tk->f_timecodescale = 1.0;
4194
4195     tk->b_inited = VLC_FALSE;
4196     tk->i_data_init = 0;
4197     tk->p_data_init = NULL;
4198
4199     tk->psz_codec_name = NULL;
4200     tk->psz_codec_settings = NULL;
4201     tk->psz_codec_info_url = NULL;
4202     tk->psz_codec_download_url = NULL;
4203     
4204     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
4205     tk->p_compression_data = NULL;
4206
4207     for( i = 0; i < m->ListSize(); i++ )
4208     {
4209         EbmlElement *l = (*m)[i];
4210
4211         if( MKV_IS_ID( l, KaxTrackNumber ) )
4212         {
4213             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
4214
4215             tk->i_number = uint32( tnum );
4216             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
4217         }
4218         else  if( MKV_IS_ID( l, KaxTrackUID ) )
4219         {
4220             KaxTrackUID &tuid = *(KaxTrackUID*)l;
4221
4222             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
4223         }
4224         else  if( MKV_IS_ID( l, KaxTrackType ) )
4225         {
4226             const char *psz_type;
4227             KaxTrackType &ttype = *(KaxTrackType*)l;
4228
4229             switch( uint8(ttype) )
4230             {
4231                 case track_audio:
4232                     psz_type = "audio";
4233                     tk->fmt.i_cat = AUDIO_ES;
4234                     break;
4235                 case track_video:
4236                     psz_type = "video";
4237                     tk->fmt.i_cat = VIDEO_ES;
4238                     break;
4239                 case track_subtitle:
4240                     psz_type = "subtitle";
4241                     tk->fmt.i_cat = SPU_ES;
4242                     break;
4243                 case track_buttons:
4244                     psz_type = "buttons";
4245                     tk->fmt.i_cat = SPU_ES;
4246                     break;
4247                 default:
4248                     psz_type = "unknown";
4249                     tk->fmt.i_cat = UNKNOWN_ES;
4250                     break;
4251             }
4252
4253             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
4254         }
4255 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
4256 //        {
4257 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
4258
4259 //            tk->b_enabled = uint32( fenb );
4260 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
4261 //                     uint32( fenb )  );
4262 //        }
4263         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
4264         {
4265             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
4266
4267             tk->b_default = uint32( fdef );
4268             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
4269         }
4270         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
4271         {
4272             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
4273
4274             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
4275         }
4276         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
4277         {
4278             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
4279
4280             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
4281         }
4282         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
4283         {
4284             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
4285
4286             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
4287         }
4288         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
4289         {
4290             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
4291
4292             tk->i_default_duration = uint64(defd);
4293             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
4294         }
4295         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
4296         {
4297             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
4298
4299             tk->f_timecodescale = float( ttcs );
4300             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
4301         }
4302         else if( MKV_IS_ID( l, KaxTrackName ) )
4303         {
4304             KaxTrackName &tname = *(KaxTrackName*)l;
4305
4306             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4307             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4308         }
4309         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4310         {
4311             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4312
4313             if ( tk->fmt.psz_language != NULL )
4314                 free( tk->fmt.psz_language );
4315             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4316             msg_Dbg( &sys.demuxer,
4317                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4318         }
4319         else  if( MKV_IS_ID( l, KaxCodecID ) )
4320         {
4321             KaxCodecID &codecid = *(KaxCodecID*)l;
4322
4323             tk->psz_codec = strdup( string( codecid ).c_str() );
4324             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4325         }
4326         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4327         {
4328             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4329
4330             tk->i_extra_data = cpriv.GetSize();
4331             if( tk->i_extra_data > 0 )
4332             {
4333                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4334                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4335             }
4336             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4337         }
4338         else if( MKV_IS_ID( l, KaxCodecName ) )
4339         {
4340             KaxCodecName &cname = *(KaxCodecName*)l;
4341
4342             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4343             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4344         }
4345         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4346         {
4347             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4348             MkvTree( sys.demuxer, 3, "Content Encodings" );
4349             if ( cencs->ListSize() > 1 )
4350             {
4351                 msg_Err( &sys.demuxer, "Multiple Compression method not supported" );
4352                 bSupported = false;
4353             }
4354             for( j = 0; j < cencs->ListSize(); j++ )
4355             {
4356                 EbmlElement *l2 = (*cencs)[j];
4357                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4358                 {
4359                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4360                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4361                     for( k = 0; k < cenc->ListSize(); k++ )
4362                     {
4363                         EbmlElement *l3 = (*cenc)[k];
4364                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4365                         {
4366                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4367                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4368                         }
4369                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4370                         {
4371                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4372                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4373                         }
4374                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4375                         {
4376                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4377                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4378                         }
4379                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4380                         {
4381                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4382                             MkvTree( sys.demuxer, 5, "Content Compression" );
4383                             for( n = 0; n < compr->ListSize(); n++ )
4384                             {
4385                                 EbmlElement *l4 = (*compr)[n];
4386                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4387                                 {
4388                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4389                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4390                                     tk->i_compression_type = uint32( compalg );
4391                                     if ( ( tk->i_compression_type != MATROSKA_COMPRESSION_ZLIB ) &&
4392                                          ( tk->i_compression_type != MATROSKA_COMPRESSION_HEADER ) )
4393                                     {
4394                                         msg_Err( &sys.demuxer, "Track Compression method %d not supported", tk->i_compression_type );
4395                                         bSupported = false;
4396                                     }
4397                                 }
4398                                 else if( MKV_IS_ID( l4, KaxContentCompSettings ) )
4399                                 {
4400                                     tk->p_compression_data = new KaxContentCompSettings( *(KaxContentCompSettings*)l4 );
4401                                 }
4402                                 else
4403                                 {
4404                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4405                                 }
4406                             }
4407                         }
4408                         else
4409                         {
4410                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4411                         }
4412                     }
4413                 }
4414                 else
4415                 {
4416                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4417                 }
4418             }
4419         }
4420 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4421 //        {
4422 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4423
4424 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4425 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4426 //        }
4427 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4428 //        {
4429 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4430
4431 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4432 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4433 //        }
4434 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4435 //        {
4436 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4437
4438 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4439 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4440 //        }
4441 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4442 //        {
4443 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4444
4445 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4446 //        }
4447 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4448 //        {
4449 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4450
4451 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4452 //        }
4453         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4454         {
4455             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4456             unsigned int j;
4457             unsigned int i_crop_right = 0, i_crop_left = 0, i_crop_top = 0, i_crop_bottom = 0;
4458             unsigned int i_display_unit = 0, i_display_width = 0, i_display_height = 0;
4459
4460             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4461             tk->f_fps = 0.0;
4462
4463             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4464             tk->fmt.video.i_frame_rate = 1000000;
4465             
4466             for( j = 0; j < tkv->ListSize(); j++ )
4467             {
4468                 EbmlElement *l = (*tkv)[j];
4469 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4470 //                {
4471 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4472
4473 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4474 //                }
4475 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4476 //                {
4477 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4478
4479 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4480 //                }
4481 //                else
4482                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4483                 {
4484                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4485
4486                     tk->fmt.video.i_width += uint16( vwidth );
4487                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4488                 }
4489                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4490                 {
4491                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4492
4493                     tk->fmt.video.i_height += uint16( vheight );
4494                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4495                 }
4496                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4497                 {
4498                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4499
4500                     i_display_width = uint16( vwidth );
4501                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4502                 }
4503                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4504                 {
4505                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4506
4507                     i_display_height = uint16( vheight );
4508                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4509                 }
4510                 else if( MKV_IS_ID( l, KaxVideoPixelCropBottom ) )
4511                 {
4512                     KaxVideoPixelCropBottom &cropval = *(KaxVideoPixelCropBottom*)l;
4513
4514                     i_crop_bottom = uint16( cropval );
4515                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel bottom=%d", uint16( cropval ) );
4516                 }
4517                 else if( MKV_IS_ID( l, KaxVideoPixelCropTop ) )
4518                 {
4519                     KaxVideoPixelCropTop &cropval = *(KaxVideoPixelCropTop*)l;
4520
4521                     i_crop_top = uint16( cropval );
4522                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel top=%d", uint16( cropval ) );
4523                 }
4524                 else if( MKV_IS_ID( l, KaxVideoPixelCropRight ) )
4525                 {
4526                     KaxVideoPixelCropRight &cropval = *(KaxVideoPixelCropRight*)l;
4527
4528                     i_crop_right = uint16( cropval );
4529                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel right=%d", uint16( cropval ) );
4530                 }
4531                 else if( MKV_IS_ID( l, KaxVideoPixelCropLeft ) )
4532                 {
4533                     KaxVideoPixelCropLeft &cropval = *(KaxVideoPixelCropLeft*)l;
4534
4535                     i_crop_left = uint16( cropval );
4536                     msg_Dbg( &sys.demuxer, "|   |   |   |   + crop pixel left=%d", uint16( cropval ) );
4537                 }
4538                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4539                 {
4540                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4541
4542                     tk->f_fps = float( vfps );
4543                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4544                 }
4545                 else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4546                 {
4547                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4548
4549                     i_display_unit = uint8( vdmode );
4550                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4551                              uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4552                 }
4553 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4554 //                {
4555 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4556
4557 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4558 //                }
4559 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4560 //                {
4561 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4562
4563 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + gamma=%f", float( gamma ) );
4564 //                }
4565                 else
4566                 {
4567                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4568                 }
4569             }
4570             if( i_display_height && i_display_width )
4571                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * i_display_width / i_display_height;
4572             if( i_crop_left || i_crop_right || i_crop_top || i_crop_bottom )
4573             {
4574                 tk->fmt.video.i_visible_width = tk->fmt.video.i_width;
4575                 tk->fmt.video.i_visible_height = tk->fmt.video.i_height;
4576                 tk->fmt.video.i_x_offset = i_crop_left;
4577                 tk->fmt.video.i_y_offset = i_crop_top;
4578                 tk->fmt.video.i_visible_width -= i_crop_left + i_crop_right;
4579                 tk->fmt.video.i_visible_height -= i_crop_top + i_crop_bottom;
4580             }
4581             /* FIXME: i_display_* allows you to not only set DAR, but also a zoom factor.
4582                we do not support this atm */
4583         }
4584         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4585         {
4586             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4587             unsigned int j;
4588
4589             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4590
4591             for( j = 0; j < tka->ListSize(); j++ )
4592             {
4593                 EbmlElement *l = (*tka)[j];
4594
4595                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4596                 {
4597                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4598
4599                     tk->i_original_rate = tk->fmt.audio.i_rate = (int)float( afreq );
4600                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4601                 }
4602                 else if( MKV_IS_ID( l, KaxAudioOutputSamplingFreq ) )
4603                 {
4604                     KaxAudioOutputSamplingFreq &afreq = *(KaxAudioOutputSamplingFreq*)l;
4605
4606                     tk->fmt.audio.i_rate = (int)float( afreq );
4607                     msg_Dbg( &sys.demuxer, "|   |   |   |   + aoutfreq=%d", tk->fmt.audio.i_rate );
4608                 }
4609                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4610                 {
4611                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4612
4613                     tk->fmt.audio.i_channels = uint8( achan );
4614                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4615                 }
4616                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4617                 {
4618                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4619
4620                     tk->fmt.audio.i_bitspersample = uint8( abits );
4621                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4622                 }
4623                 else
4624                 {
4625                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4626                 }
4627             }
4628         }
4629         else
4630         {
4631             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4632                      typeid(*l).name() );
4633         }
4634     }
4635
4636     if ( bSupported )
4637     {
4638         tracks.push_back( tk );
4639     }
4640     else
4641     {
4642         msg_Err( &sys.demuxer, "Track Entry %d not supported", tk->i_number );
4643         delete tk;
4644     }
4645 }
4646
4647 /*****************************************************************************
4648  * ParseTracks:
4649  *****************************************************************************/
4650 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4651 {
4652     EbmlElement *el;
4653     unsigned int i;
4654     int i_upper_level = 0;
4655
4656     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4657
4658     /* Master elements */
4659     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4660
4661     for( i = 0; i < tracks->ListSize(); i++ )
4662     {
4663         EbmlElement *l = (*tracks)[i];
4664
4665         if( MKV_IS_ID( l, KaxTrackEntry ) )
4666         {
4667             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4668         }
4669         else
4670         {
4671             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4672         }
4673     }
4674 }
4675
4676 /*****************************************************************************
4677  * ParseInfo:
4678  *****************************************************************************/
4679 void matroska_segment_c::ParseInfo( KaxInfo *info )
4680 {
4681     EbmlElement *el;
4682     EbmlMaster  *m;
4683     size_t i, j;
4684     int i_upper_level = 0;
4685
4686     msg_Dbg( &sys.demuxer, "|   + Information" );
4687
4688     /* Master elements */
4689     m = static_cast<EbmlMaster *>(info);
4690     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4691
4692     for( i = 0; i < m->ListSize(); i++ )
4693     {
4694         EbmlElement *l = (*m)[i];
4695
4696         if( MKV_IS_ID( l, KaxSegmentUID ) )
4697         {
4698             if ( p_segment_uid == NULL )
4699                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4700
4701             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4702         }
4703         else if( MKV_IS_ID( l, KaxPrevUID ) )
4704         {
4705             if ( p_prev_segment_uid == NULL )
4706                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4707
4708             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4709         }
4710         else if( MKV_IS_ID( l, KaxNextUID ) )
4711         {
4712             if ( p_next_segment_uid == NULL )
4713                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4714
4715             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4716         }
4717         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4718         {
4719             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4720
4721             i_timescale = uint64(tcs);
4722
4723             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4724                      i_timescale );
4725         }
4726         else if( MKV_IS_ID( l, KaxDuration ) )
4727         {
4728             KaxDuration &dur = *(KaxDuration*)l;
4729
4730             i_duration = mtime_t( double( dur ) );
4731
4732             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4733                      i_duration );
4734         }
4735         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4736         {
4737             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4738
4739             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4740
4741             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4742                      psz_muxing_application );
4743         }
4744         else if( MKV_IS_ID( l, KaxWritingApp ) )
4745         {
4746             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4747
4748             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4749
4750             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4751                      psz_writing_application );
4752         }
4753         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4754         {
4755             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4756
4757             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4758
4759             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4760                      psz_segment_filename );
4761         }
4762         else if( MKV_IS_ID( l, KaxTitle ) )
4763         {
4764             KaxTitle &title = *(KaxTitle*)l;
4765
4766             psz_title = ToUTF8( UTFstring( title ) );
4767
4768             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4769         }
4770         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4771         {
4772             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4773
4774             families.push_back( new KaxSegmentFamily(*uid) );
4775
4776             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4777         }
4778 #if defined( HAVE_GMTIME_R ) && !defined( __APPLE__ )
4779         else if( MKV_IS_ID( l, KaxDateUTC ) )
4780         {
4781             KaxDateUTC &date = *(KaxDateUTC*)l;
4782             time_t i_date;
4783             struct tm tmres;
4784             char   buffer[256];
4785
4786             i_date = date.GetEpochDate();
4787             memset( buffer, 0, 256 );
4788             if( gmtime_r( &i_date, &tmres ) &&
4789                 asctime_r( &tmres, buffer ) )
4790             {
4791                 buffer[strlen( buffer)-1]= '\0';
4792                 psz_date_utc = strdup( buffer );
4793                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4794             }
4795         }
4796 #endif
4797 #if LIBMATROSKA_VERSION >= 0x000704
4798         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4799         {
4800             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4801             chapter_translation_c *p_translate = new chapter_translation_c();
4802
4803             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4804             for( j = 0; j < p_trans->ListSize(); j++ )
4805             {
4806                 EbmlElement *l = (*p_trans)[j];
4807
4808                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4809                 {
4810                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4811                 }
4812                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4813                 {
4814                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4815                 }
4816                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4817                 {
4818                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4819                 }
4820             }
4821
4822             translations.push_back( p_translate );
4823         }
4824 #endif
4825         else
4826         {
4827             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4828         }
4829     }
4830
4831     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4832     i_duration = mtime_t(f_dur);
4833 }
4834
4835
4836 /*****************************************************************************
4837  * ParseChapterAtom
4838  *****************************************************************************/
4839 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4840 {
4841     size_t i, j;
4842
4843     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4844     for( i = 0; i < ca->ListSize(); i++ )
4845     {
4846         EbmlElement *l = (*ca)[i];
4847
4848         if( MKV_IS_ID( l, KaxChapterUID ) )
4849         {
4850             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4851             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4852         }
4853         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4854         {
4855             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4856             chapters.b_display_seekpoint = uint8( flag ) == 0;
4857
4858             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4859         }
4860         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4861         {
4862             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4863             chapters.i_start_time = uint64( start ) / I64C(1000);
4864
4865             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4866         }
4867         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4868         {
4869             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4870             chapters.i_end_time = uint64( end ) / I64C(1000);
4871
4872             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4873         }
4874         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4875         {
4876             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4877
4878             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4879             for( j = 0; j < cd->ListSize(); j++ )
4880             {
4881                 EbmlElement *l= (*cd)[j];
4882
4883                 if( MKV_IS_ID( l, KaxChapterString ) )
4884                 {
4885                     int k;
4886
4887                     KaxChapterString &name =*(KaxChapterString*)l;
4888                     for (k = 0; k < i_level; k++)
4889                         chapters.psz_name += '+';
4890                     chapters.psz_name += ' ';
4891                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4892                     chapters.psz_name += psz_tmp_utf8;
4893                     chapters.b_user_display = true;
4894
4895                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4896                     free( psz_tmp_utf8 );
4897                 }
4898                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4899                 {
4900                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4901                     const char *psz = string( lang ).c_str();
4902
4903                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4904                 }
4905                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4906                 {
4907                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4908                     const char *psz = string( ct ).c_str();
4909
4910                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4911                 }
4912             }
4913         }
4914         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4915         {
4916             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4917
4918             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4919             chapter_codec_cmds_c *p_ccodec = NULL;
4920
4921             for( j = 0; j < cp->ListSize(); j++ )
4922             {
4923                 EbmlElement *k= (*cp)[j];
4924
4925                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4926                 {
4927                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4928                     if ( uint32(*p_codec_id) == 0 )
4929                         p_ccodec = new matroska_script_codec_c( sys );
4930                     else if ( uint32(*p_codec_id) == 1 )
4931                         p_ccodec = new dvd_chapter_codec_c( sys );
4932                     break;
4933                 }
4934             }
4935
4936             if ( p_ccodec != NULL )
4937             {
4938                 for( j = 0; j < cp->ListSize(); j++ )
4939                 {
4940                     EbmlElement *k= (*cp)[j];
4941
4942                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4943                     {
4944                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4945                         p_ccodec->SetPrivate( *p_private );
4946                     }
4947                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4948                     {
4949                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4950                     }
4951                 }
4952                 chapters.codecs.push_back( p_ccodec );
4953             }
4954         }
4955         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4956         {
4957             chapter_item_c *new_sub_chapter = new chapter_item_c();
4958             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4959             new_sub_chapter->psz_parent = &chapters;
4960             chapters.sub_chapters.push_back( new_sub_chapter );
4961         }
4962     }
4963 }
4964
4965 /*****************************************************************************
4966  * ParseAttachments:
4967  *****************************************************************************/
4968 void matroska_segment_c::ParseAttachments( KaxAttachments *attachments )
4969 {
4970     EbmlElement *el;
4971     int i_upper_level = 0;
4972
4973     attachments->Read( es, attachments->Generic().Context, i_upper_level, el, true );
4974
4975     KaxAttached *attachedFile = FindChild<KaxAttached>( *attachments );
4976
4977     while( attachedFile && ( attachedFile->GetSize() > 0 ) )
4978     {
4979         std::string psz_mime_type  = GetChild<KaxMimeType>( *attachedFile );
4980         KaxFileName  &file_name    = GetChild<KaxFileName>( *attachedFile );
4981         KaxFileData  &img_data     = GetChild<KaxFileData>( *attachedFile );
4982
4983         attachment_c *new_attachment = new attachment_c();
4984
4985         if( new_attachment )
4986         {
4987             new_attachment->psz_file_name  = ToUTF8( UTFstring( file_name ) );
4988             new_attachment->psz_mime_type  = psz_mime_type;
4989             new_attachment->i_size         = img_data.GetSize();
4990             new_attachment->p_data         = malloc( img_data.GetSize() );
4991
4992             if( new_attachment->p_data )
4993             {
4994                 memcpy( new_attachment->p_data, img_data.GetBuffer(), img_data.GetSize() );
4995                 sys.stored_attachments.push_back( new_attachment );
4996             }
4997             else
4998             {
4999                 delete new_attachment;
5000             }
5001         }
5002
5003         attachedFile = &GetNextChild<KaxAttached>( *attachments, *attachedFile );
5004     }
5005 }
5006
5007 /*****************************************************************************
5008  * ParseChapters:
5009  *****************************************************************************/
5010 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
5011 {
5012     EbmlElement *el;
5013     size_t i;
5014     int i_upper_level = 0;
5015     mtime_t i_dur;
5016
5017     /* Master elements */
5018     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
5019
5020     for( i = 0; i < chapters->ListSize(); i++ )
5021     {
5022         EbmlElement *l = (*chapters)[i];
5023
5024         if( MKV_IS_ID( l, KaxEditionEntry ) )
5025         {
5026             chapter_edition_c *p_edition = new chapter_edition_c();
5027             
5028             EbmlMaster *E = static_cast<EbmlMaster *>(l );
5029             size_t j;
5030             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
5031             for( j = 0; j < E->ListSize(); j++ )
5032             {
5033                 EbmlElement *l = (*E)[j];
5034
5035                 if( MKV_IS_ID( l, KaxChapterAtom ) )
5036                 {
5037                     chapter_item_c *new_sub_chapter = new chapter_item_c();
5038                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
5039                     p_edition->sub_chapters.push_back( new_sub_chapter );
5040                 }
5041                 else if( MKV_IS_ID( l, KaxEditionUID ) )
5042                 {
5043                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
5044                 }
5045                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
5046                 {
5047                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
5048                 }
5049                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
5050                 {
5051                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
5052                         i_default_edition = stored_editions.size();
5053                 }
5054                 else
5055                 {
5056                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
5057                 }
5058             }
5059             stored_editions.push_back( p_edition );
5060         }
5061         else
5062         {
5063             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
5064         }
5065     }
5066
5067     for( i = 0; i < stored_editions.size(); i++ )
5068     {
5069         stored_editions[i]->RefreshChapters( );
5070     }
5071     
5072     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
5073     {
5074         /* update the duration of the segment according to the sum of all sub chapters */
5075         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
5076         if (i_dur > 0)
5077             i_duration = i_dur;
5078     }
5079 }
5080
5081 void matroska_segment_c::ParseCluster( )
5082 {
5083     EbmlElement *el;
5084     EbmlMaster  *m;
5085     unsigned int i;
5086     int i_upper_level = 0;
5087
5088     /* Master elements */
5089     m = static_cast<EbmlMaster *>( cluster );
5090     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
5091
5092     for( i = 0; i < m->ListSize(); i++ )
5093     {
5094         EbmlElement *l = (*m)[i];
5095
5096         if( MKV_IS_ID( l, KaxClusterTimecode ) )
5097         {
5098             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
5099
5100             cluster->InitTimecode( uint64( ctc ), i_timescale );
5101             break;
5102         }
5103     }
5104
5105     i_start_time = cluster->GlobalTimecode() / 1000;
5106 }
5107
5108 /*****************************************************************************
5109  * InformationCreate:
5110  *****************************************************************************/
5111 void matroska_segment_c::InformationCreate( )
5112 {
5113     sys.meta = vlc_meta_New();
5114
5115     if( psz_title )
5116     {
5117         vlc_meta_SetTitle( sys.meta, psz_title );
5118     }
5119     if( psz_date_utc )
5120     {
5121         vlc_meta_SetDate( sys.meta, psz_date_utc );
5122     }
5123 #if 0
5124     if( psz_segment_filename )
5125     {
5126         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5127     }
5128     if( psz_muxing_application )
5129     {
5130         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5131     }
5132     if( psz_writing_application )
5133     {
5134         fprintf( stderr, "***** WARNING: Unhandled meta - Use custom\n" );
5135     }
5136
5137     for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
5138     {
5139 //        mkv_track_t *tk = tracks[i_track];
5140 //        vlc_meta_t *mtk = vlc_meta_New();
5141         fprintf( stderr, "***** WARNING: Unhandled child meta\n");
5142     }
5143 #endif
5144
5145     if( i_tags_position >= 0 )
5146     {
5147         vlc_bool_t b_seekable;
5148
5149         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
5150         if( b_seekable )
5151         {
5152             LoadTags( );
5153         }
5154     }
5155 }
5156
5157
5158 /*****************************************************************************
5159  * Divers
5160  *****************************************************************************/
5161
5162 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
5163 {
5164 #define idx p_indexes[i_index]
5165     idx.i_track       = -1;
5166     idx.i_block_number= -1;
5167     idx.i_position    = cluster->GetElementPosition();
5168     idx.i_time        = -1;
5169     idx.b_key         = VLC_TRUE;
5170
5171     i_index++;
5172     if( i_index >= i_index_max )
5173     {
5174         i_index_max += 1024;
5175         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
5176     }
5177 #undef idx
5178 }
5179
5180 void chapter_edition_c::RefreshChapters( )
5181 {
5182     chapter_item_c::RefreshChapters( b_ordered, -1 );
5183     b_display_seekpoint = false;
5184 }
5185
5186 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
5187 {
5188     int64_t i_user_time = i_prev_user_time;
5189     
5190     // first the sub-chapters, and then ourself
5191     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5192     while ( index != sub_chapters.end() )
5193     {
5194         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
5195         index++;
5196     }
5197
5198     if ( b_ordered )
5199     {
5200         // the ordered chapters always start at zero
5201         if ( i_prev_user_time == -1 )
5202         {
5203             if ( i_user_time == -1 )
5204                 i_user_time = 0;
5205             i_prev_user_time = 0;
5206         }
5207
5208         i_user_start_time = i_prev_user_time;
5209         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
5210         {
5211             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
5212         }
5213         else
5214         {
5215             i_user_end_time = i_user_time;
5216         }
5217     }
5218     else
5219     {
5220         if ( sub_chapters.begin() != sub_chapters.end() )
5221             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
5222         i_user_start_time = i_start_time;
5223         if ( i_end_time != -1 )
5224             i_user_end_time = i_end_time;
5225         else if ( i_user_time != -1 )
5226             i_user_end_time = i_user_time;
5227         else
5228             i_user_end_time = i_user_start_time;
5229     }
5230
5231     return i_user_end_time;
5232 }
5233
5234 mtime_t chapter_edition_c::Duration() const
5235 {
5236     mtime_t i_result = 0;
5237     
5238     if ( sub_chapters.size() )
5239     {
5240         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
5241         index--;
5242         i_result = (*index)->i_user_end_time;
5243     }
5244     
5245     return i_result;
5246 }
5247
5248 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
5249 {
5250     if ( !b_ordered )
5251         p_current = NULL;
5252     bool b_found_current = false;
5253     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
5254 }
5255
5256 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
5257 {
5258     chapter_item_c *psz_result = NULL;
5259
5260     if ( p_current == this )
5261         b_found = true;
5262
5263     if ( i_user_timecode >= i_user_start_time &&
5264         ( i_user_timecode < i_user_end_time ||
5265           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
5266     {
5267         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
5268         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
5269         {
5270             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
5271             index++;
5272         }
5273         
5274         if ( psz_result == NULL )
5275             psz_result = this;
5276     }
5277
5278     return psz_result;
5279 }
5280
5281 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
5282 {
5283     if ( &item == this )
5284         return true;
5285
5286     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
5287     while ( index != sub_chapters.end() )
5288     {
5289         if ( (*index)->ParentOf( item ) )
5290             return true;
5291         index++;
5292     }
5293
5294     return false;
5295 }
5296
5297 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
5298 {
5299     for (size_t i=0; i<opened_segments.size(); i++)
5300     {
5301         opened_segments[i]->PreloadFamily( of_segment );
5302     }
5303 }
5304 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
5305 {
5306     if ( b_preloaded )
5307         return false;
5308
5309     for (size_t i=0; i<families.size(); i++)
5310     {
5311         for (size_t j=0; j<of_segment.families.size(); j++)
5312         {
5313             if ( *(families[i]) == *(of_segment.families[j]) )
5314                 return Preload( );
5315         }
5316     }
5317
5318     return false;
5319 }
5320
5321 // preload all the linked segments for all preloaded segments
5322 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
5323 {
5324     size_t i_preloaded, i, j;
5325     virtual_segment_c *p_seg;
5326
5327     p_current_segment = VirtualFromSegments( p_segment );
5328     
5329     used_segments.push_back( p_current_segment );
5330
5331     // create all the other virtual segments of the family
5332     do {
5333         i_preloaded = 0;
5334         for ( i=0; i< opened_segments.size(); i++ )
5335         {
5336             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
5337             {
5338                 p_seg = VirtualFromSegments( opened_segments[i] );
5339                 used_segments.push_back( p_seg );
5340                 i_preloaded++;
5341             }
5342         }
5343     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
5344
5345     // publish all editions of all usable segment
5346     for ( i=0; i< used_segments.size(); i++ )
5347     {
5348         p_seg = used_segments[i];
5349         if ( p_seg->p_editions != NULL )
5350         {
5351             std::string sz_name;
5352             input_title_t *p_title = vlc_input_title_New();
5353             p_seg->i_sys_title = i;
5354             int i_chapters;
5355
5356             // TODO use a name for each edition, let the TITLE deal with a codec name
5357             for ( j=0; j<p_seg->p_editions->size(); j++ )
5358             {
5359                 if ( p_title->psz_name == NULL )
5360                 {
5361                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
5362                     if ( sz_name != "" )
5363                         p_title->psz_name = strdup( sz_name.c_str() );
5364                 }
5365
5366                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
5367
5368                 i_chapters = 0;
5369                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
5370             }
5371
5372             // create a name if there is none
5373             if ( p_title->psz_name == NULL )
5374             {
5375                 sz_name = N_("Segment");
5376                 char psz_str[6];
5377                 sprintf( psz_str, " %d", (int)i );
5378                 sz_name += psz_str;
5379                 p_title->psz_name = strdup( sz_name.c_str() );
5380             }
5381
5382             titles.push_back( p_title );
5383         }
5384     }
5385
5386     // TODO decide which segment should be first used (VMG for DVD)
5387 }
5388
5389 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5390 {
5391     for ( size_t i=0; i< used_segments.size(); i++ )
5392     {
5393         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5394             return true;
5395     }
5396     return false;
5397 }
5398
5399 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5400 {
5401     size_t i_preloaded, i;
5402
5403     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5404
5405     // fill our current virtual segment with all hard linked segments
5406     do {
5407         i_preloaded = 0;
5408         for ( i=0; i< opened_segments.size(); i++ )
5409         {
5410             i_preloaded += p_result->AddSegment( opened_segments[i] );
5411         }
5412     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5413
5414     p_result->Sort( );
5415
5416     p_result->PreloadLinked( );
5417
5418     p_result->PrepareChapters( );
5419
5420     return p_result;
5421 }
5422
5423 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5424 {
5425     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5426     {
5427         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5428             p_current_segment->Segment()->UnSelect();
5429
5430         p_current_segment = p_new_segment;
5431         i_current_title = p_new_segment->i_sys_title;
5432     }
5433
5434     p_current_segment->LoadCues();
5435     f_duration = p_current_segment->Duration();
5436
5437     /* add information */
5438     p_current_segment->Segment()->InformationCreate( );
5439
5440     p_current_segment->Segment()->Select( 0 );
5441
5442     return true;
5443 }
5444
5445 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5446 {
5447     // if the segment is not part of the current segment, select the new one
5448     if ( &vsegment != p_current_segment )
5449     {
5450         PreparePlayback( &vsegment );
5451     }
5452
5453     if ( p_chapter != NULL )
5454     {
5455         if ( !p_chapter->Enter( true ) )
5456         {
5457             // jump to the location in the found segment
5458             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5459         }
5460     }
5461     
5462 }
5463
5464 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5465 {
5466     EbmlBinary *p_tmp;
5467
5468     if ( p_item_a == NULL || p_item_b == NULL )
5469         return false;
5470
5471     p_tmp = (EbmlBinary *)p_item_a->p_segment_uid;
5472     if ( p_item_b->p_prev_segment_uid != NULL
5473           && *p_tmp == *p_item_b->p_prev_segment_uid )
5474         return true;
5475
5476     p_tmp = (EbmlBinary *)p_item_a->p_next_segment_uid;
5477     if ( !p_tmp )
5478         return false;
5479     
5480     if ( p_item_b->p_segment_uid != NULL
5481           && *p_tmp == *p_item_b->p_segment_uid )
5482         return true;
5483
5484     if ( p_item_b->p_prev_segment_uid != NULL
5485           && *p_tmp == *p_item_b->p_prev_segment_uid )
5486         return true;
5487
5488     return false;
5489 }
5490
5491 bool matroska_segment_c::Preload( )
5492 {
5493     if ( b_preloaded )
5494         return false;
5495
5496     EbmlElement *el = NULL;
5497
5498     ep->Reset( &sys.demuxer );
5499
5500     while( ( el = ep->Get() ) != NULL )
5501     {
5502         if( MKV_IS_ID( el, KaxInfo ) )
5503         {
5504             ParseInfo( static_cast<KaxInfo*>( el ) );
5505         }
5506         else if( MKV_IS_ID( el, KaxTracks ) )
5507         {
5508             ParseTracks( static_cast<KaxTracks*>( el ) );
5509             if ( tracks.size() == 0 )
5510             {
5511                 msg_Err( &sys.demuxer, "No tracks supported" );
5512                 return false;
5513             }
5514         }
5515         else if( MKV_IS_ID( el, KaxSeekHead ) )
5516         {
5517             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5518         }
5519         else if( MKV_IS_ID( el, KaxCues ) )
5520         {
5521             msg_Dbg( &sys.demuxer, "|   + Cues" );
5522         }
5523         else if( MKV_IS_ID( el, KaxCluster ) )
5524         {
5525             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5526
5527             cluster = (KaxCluster*)el;
5528
5529             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5530             ParseCluster( );
5531
5532             ep->Down();
5533             /* stop parsing the stream */
5534             break;
5535         }
5536         else if( MKV_IS_ID( el, KaxAttachments ) )
5537         {
5538             msg_Dbg( &sys.demuxer, "|   + Attachments" );
5539             ParseAttachments( static_cast<KaxAttachments*>( el ) );
5540         }
5541         else if( MKV_IS_ID( el, KaxChapters ) )
5542         {
5543             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5544             ParseChapters( static_cast<KaxChapters*>( el ) );
5545         }
5546         else if( MKV_IS_ID( el, KaxTag ) )
5547         {
5548             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5549         }
5550         else
5551         {
5552             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5553         }
5554     }
5555
5556     b_preloaded = true;
5557
5558     return true;
5559 }
5560
5561 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5562 {
5563     for (size_t i=0; i<opened_segments.size(); i++)
5564     {
5565         if ( *opened_segments[i]->p_segment_uid == uid )
5566             return opened_segments[i];
5567     }
5568     return NULL;
5569 }
5570
5571 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id,
5572                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ),
5573                                         const void *p_cookie,
5574                                         size_t i_cookie_size,
5575                                         virtual_segment_c * &p_segment_found )
5576 {
5577     chapter_item_c *p_result = NULL;
5578     for (size_t i=0; i<used_segments.size(); i++)
5579     {
5580         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5581         if ( p_result != NULL )
5582         {
5583             p_segment_found = used_segments[i];
5584             break;
5585         }
5586     }
5587     return p_result;
5588 }
5589
5590 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5591 {
5592     chapter_item_c *p_result = NULL;
5593     for (size_t i=0; i<used_segments.size(); i++)
5594     {
5595         p_result = used_segments[i]->FindChapter( i_find_uid );
5596         if ( p_result != NULL )
5597         {
5598             p_segment_found = used_segments[i];
5599             break;
5600         }
5601     }
5602     return p_result;
5603 }
5604
5605 void virtual_segment_c::Sort()
5606 {
5607     // keep the current segment index
5608     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5609
5610     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5611
5612     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5613         if ( linked_segments[i_current_segment] == p_segment )
5614             break;
5615 }
5616
5617 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5618 {
5619     size_t i;
5620     // check if it's not already in here
5621     for ( i=0; i<linked_segments.size(); i++ )
5622     {
5623         if ( linked_segments[i]->p_segment_uid != NULL
5624             && p_segment->p_segment_uid != NULL
5625             && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5626             return 0;
5627     }
5628
5629     // find possible mates
5630     for ( i=0; i<linked_uids.size(); i++ )
5631     {
5632         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5633             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5634             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5635         {
5636             linked_segments.push_back( p_segment );
5637
5638             AppendUID( p_segment->p_prev_segment_uid );
5639             AppendUID( p_segment->p_next_segment_uid );
5640
5641             return 1;
5642         }
5643     }
5644     return 0;
5645 }
5646
5647 void virtual_segment_c::PreloadLinked( )
5648 {
5649     for ( size_t i=0; i<linked_segments.size(); i++ )
5650     {
5651         linked_segments[i]->Preload( );
5652     }
5653     i_current_edition = linked_segments[0]->i_default_edition;
5654 }
5655
5656 mtime_t virtual_segment_c::Duration() const
5657 {
5658     mtime_t i_duration;
5659     if ( linked_segments.size() == 0 )
5660         i_duration = 0;
5661     else {
5662         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5663 //        p_last_segment->ParseCluster( );
5664
5665         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5666     }
5667     return i_duration;
5668 }
5669
5670 void virtual_segment_c::LoadCues( )
5671 {
5672     for ( size_t i=0; i<linked_segments.size(); i++ )
5673     {
5674         linked_segments[i]->LoadCues();
5675     }
5676 }
5677
5678 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5679 {
5680     if ( p_UID == NULL )
5681         return;
5682     if ( p_UID->GetBuffer() == NULL )
5683         return;
5684
5685     for (size_t i=0; i<linked_uids.size(); i++)
5686     {
5687         if ( *p_UID == linked_uids[i] )
5688             return;
5689     }
5690     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5691 }
5692
5693 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5694 {
5695     KaxBlock    *block;
5696 #if LIBMATROSKA_VERSION >= 0x000800
5697     KaxSimpleBlock *simpleblock;
5698 #endif
5699     int         i_track_skipping;
5700     int64_t     i_block_duration;
5701     int64_t     i_block_ref1;
5702     int64_t     i_block_ref2;
5703     size_t      i_track;
5704     int64_t     i_seek_position = i_start_pos;
5705     int64_t     i_seek_time = i_start_time;
5706
5707     if ( i_index > 0 )
5708     {
5709         int i_idx = 0;
5710
5711         for( ; i_idx < i_index; i_idx++ )
5712         {
5713             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5714             {
5715                 break;
5716             }
5717         }
5718
5719         if( i_idx > 0 )
5720         {
5721             i_idx--;
5722         }
5723
5724         i_seek_position = p_indexes[i_idx].i_position;
5725         i_seek_time = p_indexes[i_idx].i_time;
5726     }
5727
5728     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5729                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5730
5731     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5732
5733     delete ep;
5734     ep = new EbmlParser( &es, segment, &sys.demuxer );
5735     cluster = NULL;
5736
5737     sys.i_start_pts = i_date;
5738
5739     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5740
5741     /* now parse until key frame */
5742     i_track_skipping = 0;
5743     for( i_track = 0; i_track < tracks.size(); i_track++ )
5744     {
5745         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5746         {
5747             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5748             i_track_skipping++;
5749         }
5750         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5751     }
5752
5753
5754     while( i_track_skipping > 0 )
5755     {
5756 #if LIBMATROSKA_VERSION >= 0x000800
5757         if( BlockGet( block, simpleblock, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5758 #else
5759         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5760 #endif
5761         {
5762             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5763
5764             return;
5765         }
5766         ep->Down();
5767
5768         for( i_track = 0; i_track < tracks.size(); i_track++ )
5769         {
5770 #if LIBMATROSKA_VERSION >= 0x000800
5771             if( (simpleblock && tracks[i_track]->i_number == simpleblock->TrackNum()) ||
5772                 (block && tracks[i_track]->i_number == block->TrackNum()) )
5773 #else
5774             if( tracks[i_track]->i_number == block->TrackNum() )
5775 #endif
5776             {
5777                 break;
5778             }
5779         }
5780
5781 #if LIBMATROSKA_VERSION >= 0x000800
5782         if( simpleblock )
5783             sys.i_pts = (sys.i_chapter_time + simpleblock->GlobalTimecode()) / (mtime_t) 1000;
5784         else
5785 #endif
5786             sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5787
5788         if( i_track < tracks.size() )
5789         {
5790            if( sys.i_pts >= sys.i_start_pts )
5791             {
5792                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5793                 i_track_skipping = 0;
5794             }
5795             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5796             {
5797                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5798                 {
5799                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5800                     i_track_skipping--;
5801                 }
5802                 if( !tracks[i_track]->b_search_keyframe )
5803                 {
5804 #if LIBMATROSKA_VERSION >= 0x000800
5805                     BlockDecode( &sys.demuxer, block, simpleblock, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5806 #else
5807                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5808 #endif
5809                 }
5810             }
5811         }
5812
5813         delete block;
5814     }
5815 }
5816
5817 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5818 {
5819     demux_sys_t *p_sys = demuxer.p_sys;
5820     size_t i;
5821
5822     // find the actual time for an ordered edition
5823     if ( psz_chapter == NULL )
5824     {
5825         if ( Edition() && Edition()->b_ordered )
5826         {
5827             /* 1st, we need to know in which chapter we are */
5828             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5829         }
5830     }
5831
5832     if ( psz_chapter != NULL )
5833     {
5834         psz_current_chapter = psz_chapter;
5835         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5836         if ( psz_chapter->i_seekpoint_num > 0 )
5837         {
5838             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5839             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5840             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5841         }
5842     }
5843
5844     // find the best matching segment
5845     for ( i=0; i<linked_segments.size(); i++ )
5846     {
5847         if ( i_date < linked_segments[i]->i_start_time )
5848             break;
5849     }
5850
5851     if ( i > 0 )
5852         i--;
5853
5854     if ( i_current_segment != i  )
5855     {
5856         linked_segments[i_current_segment]->UnSelect();
5857         linked_segments[i]->Select( i_date );
5858         i_current_segment = i;
5859     }
5860
5861     linked_segments[i]->Seek( i_date, i_time_offset );
5862 }
5863
5864 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5865 {
5866     size_t i;
5867
5868     uint32 codec_time = uint32(-1);
5869     for( i = 0; i < command.ListSize(); i++ )
5870     {
5871         const EbmlElement *k = command[i];
5872
5873         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5874         {
5875             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5876             break;
5877         }
5878     }
5879
5880     for( i = 0; i < command.ListSize(); i++ )
5881     {
5882         const EbmlElement *k = command[i];
5883
5884         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5885         {
5886             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5887             switch ( codec_time )
5888             {
5889             case 0:
5890                 during_cmds.push_back( p_data );
5891                 break;
5892             case 1:
5893                 enter_cmds.push_back( p_data );
5894                 break;
5895             case 2:
5896                 leave_cmds.push_back( p_data );
5897                 break;
5898             default:
5899                 delete p_data;
5900             }
5901         }
5902     }
5903 }
5904
5905 bool chapter_item_c::Enter( bool b_do_subs )
5906 {
5907     bool f_result = false;
5908     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5909     while ( index != codecs.end() )
5910     {
5911         f_result |= (*index)->Enter();
5912         index++;
5913     }
5914
5915     if ( b_do_subs )
5916     {
5917         // sub chapters
5918         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5919         while ( index_ != sub_chapters.end() )
5920         {
5921             f_result |= (*index_)->Enter( true );
5922             index_++;
5923         }
5924     }
5925     return f_result;
5926 }
5927
5928 bool chapter_item_c::Leave( bool b_do_subs )
5929 {
5930     bool f_result = false;
5931     b_is_leaving = true;
5932     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5933     while ( index != codecs.end() )
5934     {
5935         f_result |= (*index)->Leave();
5936         index++;
5937     }
5938
5939     if ( b_do_subs )
5940     {
5941         // sub chapters
5942         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5943         while ( index_ != sub_chapters.end() )
5944         {
5945             f_result |= (*index_)->Leave( true );
5946             index_++;
5947         }
5948     }
5949     b_is_leaving = false;
5950     return f_result;
5951 }
5952
5953 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5954 {
5955     chapter_item_c *p_common_parent = p_item;
5956
5957     // leave, up to a common parent
5958     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5959     {
5960         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5961             return true;
5962         p_common_parent = p_common_parent->psz_parent;
5963     }
5964
5965     // enter from the parent to <this>
5966     if ( p_common_parent != NULL )
5967     {
5968         do
5969         {
5970             if ( p_common_parent == this )
5971                 return Enter( true );
5972
5973             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5974             {
5975                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5976                 {
5977                     p_common_parent = p_common_parent->sub_chapters[i];
5978                     if ( p_common_parent != this )
5979                         if ( p_common_parent->Enter( false ) )
5980                             return true;
5981
5982                     break;
5983                 }
5984             }
5985         } while ( 1 );
5986     }
5987
5988     if ( b_final_enter )
5989         return Enter( true );
5990     else
5991         return false;
5992 }
5993
5994 bool dvd_chapter_codec_c::Enter()
5995 {
5996     bool f_result = false;
5997     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5998     while ( index != enter_cmds.end() )
5999     {
6000         if ( (*index)->GetSize() )
6001         {
6002             binary *p_data = (*index)->GetBuffer();
6003             size_t i_size = *p_data++;
6004             // avoid reading too much from the buffer
6005             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
6006             for ( ; i_size > 0; i_size--, p_data += 8 )
6007             {
6008                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
6009                 f_result |= sys.dvd_interpretor.Interpret( p_data );
6010             }
6011         }
6012         index++;
6013     }
6014     return f_result;
6015 }
6016
6017 bool dvd_chapter_codec_c::Leave()
6018 {
6019     bool f_result = false;
6020     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6021     while ( index != leave_cmds.end() )
6022     {
6023         if ( (*index)->GetSize() )
6024         {
6025             binary *p_data = (*index)->GetBuffer();
6026             size_t i_size = *p_data++;
6027             // avoid reading too much from the buffer
6028             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
6029             for ( ; i_size > 0; i_size--, p_data += 8 )
6030             {
6031                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
6032                 f_result |= sys.dvd_interpretor.Interpret( p_data );
6033             }
6034         }
6035         index++;
6036     }
6037     return f_result;
6038 }
6039
6040 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
6041 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6042 {
6043     if ( i_size != 8 )
6044         return false;
6045
6046     virtual_segment_c *p_segment = NULL;
6047     chapter_item_c *p_chapter = NULL;
6048     bool f_result = false;
6049     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
6050
6051     // handle register tests if there are some
6052     if ( (i_command & 0xF0) != 0 )
6053     {
6054         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
6055         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
6056         uint8 i_test = i_command & 0x70;
6057         uint16 i_value;
6058
6059         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
6060         uint8  i_cr1;
6061         uint16 i_cr2;
6062         switch ( i_command >> 12 )
6063         {
6064         default:
6065             i_cr1 = p_command[3];
6066             i_cr2 = (p_command[4] << 8) + p_command[5];
6067             break;
6068         case 3:
6069         case 4:
6070         case 5:
6071             i_cr1 = p_command[6];
6072             i_cr2 = p_command[7];
6073             b_test_value = false;
6074             break;
6075         case 6:
6076         case 7:
6077             if ( ((p_command[1] >> 4) & 0x7) == 0)
6078             {
6079                 i_cr1 = p_command[2];
6080                 i_cr2 = (p_command[6] << 8) + p_command[7];
6081             }
6082             else
6083             {
6084                 i_cr1 = p_command[2];
6085                 i_cr2 = (p_command[6] << 8) + p_command[7];
6086             }
6087             break;
6088         }
6089
6090         if ( b_test_value )
6091             i_value = i_cr2;
6092         else
6093             i_value = GetPRM( i_cr2 );
6094
6095         switch ( i_test )
6096         {
6097         case CMD_DVD_IF_GPREG_EQUAL:
6098             // if equals
6099             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6100             if (!( GetPRM( i_cr1 ) == i_value ))
6101             {
6102                 b_test_positive = false;
6103             }
6104             break;
6105         case CMD_DVD_IF_GPREG_NOT_EQUAL:
6106             // if not equals
6107             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6108             if (!( GetPRM( i_cr1 ) != i_value ))
6109             {
6110                 b_test_positive = false;
6111             }
6112             break;
6113         case CMD_DVD_IF_GPREG_INF:
6114             // if inferior
6115             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6116             if (!( GetPRM( i_cr1 ) < i_value ))
6117             {
6118                 b_test_positive = false;
6119             }
6120             break;
6121         case CMD_DVD_IF_GPREG_INF_EQUAL:
6122             // if inferior or equal
6123             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6124             if (!( GetPRM( i_cr1 ) <= i_value ))
6125             {
6126                 b_test_positive = false;
6127             }
6128             break;
6129         case CMD_DVD_IF_GPREG_AND:
6130             // if logical and
6131             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6132             if (!( GetPRM( i_cr1 ) & i_value ))
6133             {
6134                 b_test_positive = false;
6135             }
6136             break;
6137         case CMD_DVD_IF_GPREG_SUP:
6138             // if superior
6139             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6140             if (!( GetPRM( i_cr1 ) > i_value ))
6141             {
6142                 b_test_positive = false;
6143             }
6144             break;
6145         case CMD_DVD_IF_GPREG_SUP_EQUAL:
6146             // if superior or equal
6147             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
6148             if (!( GetPRM( i_cr1 ) >= i_value ))
6149             {
6150                 b_test_positive = false;
6151             }
6152             break;
6153         }
6154
6155         if ( !b_test_positive )
6156             return false;
6157     }
6158     
6159     // strip the test command
6160     i_command &= 0xFF0F;
6161     
6162     switch ( i_command )
6163     {
6164     case CMD_DVD_NOP:
6165     case CMD_DVD_NOP2:
6166         {
6167             msg_Dbg( &sys.demuxer, "NOP" );
6168             break;
6169         }
6170     case CMD_DVD_BREAK:
6171         {
6172             msg_Dbg( &sys.demuxer, "Break" );
6173             // TODO
6174             break;
6175         }
6176     case CMD_DVD_JUMP_TT:
6177         {
6178             uint8 i_title = p_command[5];
6179             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
6180
6181             // find in the ChapProcessPrivate matching this Title level
6182             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
6183             if ( p_segment != NULL )
6184             {
6185                 sys.JumpTo( *p_segment, p_chapter );
6186                 f_result = true;
6187             }
6188
6189             break;
6190         }
6191     case CMD_DVD_CALLSS_VTSM1:
6192         {
6193             msg_Dbg( &sys.demuxer, "CallSS" );
6194             binary p_type;
6195             switch( (p_command[6] & 0xC0) >> 6 ) {
6196                 case 0:
6197                     p_type = p_command[5] & 0x0F;
6198                     switch ( p_type )
6199                     {
6200                     case 0x00:
6201                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
6202                         break;
6203                     case 0x02:
6204                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
6205                         break;
6206                     case 0x03:
6207                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
6208                         break;
6209                     case 0x04:
6210                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
6211                         break;
6212                     case 0x05:
6213                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
6214                         break;
6215                     case 0x06:
6216                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
6217                         break;
6218                     case 0x07:
6219                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
6220                         break;
6221                     default:
6222                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
6223                         break;
6224                     }
6225                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
6226                     if ( p_segment != NULL )
6227                     {
6228                         sys.JumpTo( *p_segment, p_chapter );
6229                         f_result = true;
6230                     }
6231                 break;
6232                 case 1:
6233                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6234                 break;
6235                 case 2:
6236                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
6237                 break;
6238                 case 3:
6239                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
6240                 break;
6241             }
6242             break;
6243         }
6244     case CMD_DVD_JUMP_SS:
6245         {
6246             msg_Dbg( &sys.demuxer, "JumpSS");
6247             binary p_type;
6248             switch( (p_command[5] & 0xC0) >> 6 ) {
6249                 case 0:
6250                     msg_Dbg( &sys.demuxer, "JumpSS FP");
6251                 break;
6252                 case 1:
6253                     p_type = p_command[5] & 0x0F;
6254                     switch ( p_type )
6255                     {
6256                     case 0x02:
6257                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
6258                         break;
6259                     case 0x03:
6260                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
6261                         break;
6262                     case 0x04:
6263                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
6264                         break;
6265                     case 0x05:
6266                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
6267                         break;
6268                     case 0x06:
6269                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
6270                         break;
6271                     case 0x07:
6272                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
6273                         break;
6274                     default:
6275                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
6276                         break;
6277                     }
6278                     // find the VMG
6279                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
6280                     if ( p_segment != NULL )
6281                     {
6282                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6283                         if ( p_chapter != NULL )
6284                         {
6285                             sys.JumpTo( *p_segment, p_chapter );
6286                             f_result = true;
6287                         }
6288                     }
6289                 break;
6290                 case 2:
6291                     p_type = p_command[5] & 0x0F;
6292                     switch ( p_type )
6293                     {
6294                     case 0x02:
6295                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
6296                         break;
6297                     case 0x03:
6298                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
6299                         break;
6300                     case 0x04:
6301                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
6302                         break;
6303                     case 0x05:
6304                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
6305                         break;
6306                     case 0x06:
6307                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
6308                         break;
6309                     case 0x07:
6310                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
6311                         break;
6312                     default:
6313                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
6314                         break;
6315                     }
6316
6317                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
6318
6319                     if ( p_segment != NULL && p_chapter != NULL )
6320                     {
6321                         // find the title in the VTS
6322                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
6323                         if ( p_chapter != NULL )
6324                         {
6325                             // find the specified menu in the VTSM
6326                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
6327                             if ( p_chapter != NULL )
6328                             {
6329                                 sys.JumpTo( *p_segment, p_chapter );
6330                                 f_result = true;
6331                             }
6332                         }
6333                         else
6334                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
6335                     }
6336                     else
6337                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
6338                 break;
6339                 case 3:
6340                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
6341                 break;
6342             }
6343             break;
6344         }
6345     case CMD_DVD_JUMPVTS_PTT:
6346         {
6347             uint8 i_title = p_command[5];
6348             uint8 i_ptt = p_command[3];
6349
6350             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
6351
6352             // find the current VTS content segment
6353             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
6354             if ( p_chapter != NULL )
6355             {
6356                 int16 i_curr_title = p_chapter->GetTitleNumber( );
6357                 if ( i_curr_title > 0 )
6358                 {
6359                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
6360
6361                     if ( p_segment != NULL && p_chapter != NULL )
6362                     {
6363                         // find the title in the VTS
6364                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
6365                         if ( p_chapter != NULL )
6366                         {
6367                             // find the chapter in the title
6368                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
6369                             if ( p_chapter != NULL )
6370                             {
6371                                 sys.JumpTo( *p_segment, p_chapter );
6372                                 f_result = true;
6373                             }
6374                         }
6375                     else
6376                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
6377                     }
6378                     else
6379                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
6380                 }
6381                 else
6382                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
6383             }
6384             else
6385                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
6386             break;
6387         }
6388     case CMD_DVD_SET_GPRMMD:
6389         {
6390             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
6391             
6392             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
6393                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
6394             break;
6395         }
6396     case CMD_DVD_LINKPGCN:
6397         {
6398             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
6399             
6400             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
6401             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
6402             if ( p_chapter != NULL )
6403             {
6404                 if ( !p_chapter->Enter( true ) )
6405                     // jump to the location in the found segment
6406                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6407
6408                 f_result = true;
6409             }
6410             break;
6411         }
6412     case CMD_DVD_LINKCN:
6413         {
6414             uint8 i_cn = p_command[7];
6415             
6416             p_chapter = sys.p_current_segment->CurrentChapter();
6417
6418             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
6419             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
6420             if ( p_chapter != NULL )
6421             {
6422                 if ( !p_chapter->Enter( true ) )
6423                     // jump to the location in the found segment
6424                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6425
6426                 f_result = true;
6427             }
6428             break;
6429         }
6430     case CMD_DVD_GOTO_LINE:
6431         {
6432             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6433             // TODO
6434             break;
6435         }
6436     case CMD_DVD_SET_HL_BTNN1:
6437         {
6438             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6439             SetSPRM( 0x88, p_command[4] );
6440             break;
6441         }
6442     default:
6443         {
6444             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6445                      ,p_command[0]
6446                      ,p_command[1]
6447                      ,p_command[2]
6448                      ,p_command[3]
6449                      ,p_command[4]
6450                      ,p_command[5]
6451                      ,p_command[6]
6452                      ,p_command[7]);
6453             break;
6454         }
6455     }
6456
6457     return f_result;
6458 }
6459
6460 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6461 {
6462     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6463 }
6464
6465 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6466 {
6467     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6468         return false;
6469
6470     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6471 }
6472
6473 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6474 {
6475     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6476         return false;
6477     
6478     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6479         return false;
6480
6481     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6482     uint16 i_title = *(uint16*)p_cookie;
6483
6484     return (i_gtitle == i_title);
6485 }
6486
6487 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6488 {
6489     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6490         return false;
6491     
6492     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6493         return false;
6494
6495     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6496     uint8 i_title = *(uint8*)p_cookie;
6497
6498     return (i_gtitle == i_title);
6499 }
6500
6501 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6502 {
6503     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6504         return false;
6505     
6506     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6507         return false;
6508
6509     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6510     uint8 i_title = *(uint8*)p_cookie;
6511
6512     return (i_gtitle == i_title);
6513 }
6514
6515 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6516 {
6517     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6518         return false;
6519     
6520     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6521         return false;
6522
6523     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6524     uint8 i_pgc = *(uint8*)p_cookie;
6525
6526     return (i_pgc_type == i_pgc);
6527 }
6528
6529 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6530 {
6531     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6532         return false;
6533     
6534     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6535         return false;
6536
6537     uint16 *i_pgc_n = (uint16 *)p_cookie;
6538     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6539
6540     return (i_pgc_num == *i_pgc_n);
6541 }
6542
6543 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6544 {
6545     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6546         return false;
6547     
6548     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6549         return false;
6550
6551     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6552     uint8 i_ptt = *(uint8*)p_cookie;
6553
6554     return (i_chapter == i_ptt);
6555 }
6556
6557 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6558 {
6559     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6560         return false;
6561     
6562     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6563         return false;
6564
6565     uint8 *i_cell_n = (uint8 *)p_cookie;
6566     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6567
6568     return (i_cell_num == *i_cell_n);
6569 }
6570
6571 bool matroska_script_codec_c::Enter()
6572 {
6573     bool f_result = false;
6574     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6575     while ( index != enter_cmds.end() )
6576     {
6577         if ( (*index)->GetSize() )
6578         {
6579             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6580             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6581         }
6582         index++;
6583     }
6584     return f_result;
6585 }
6586
6587 bool matroska_script_codec_c::Leave()
6588 {
6589     bool f_result = false;
6590     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6591     while ( index != leave_cmds.end() )
6592     {
6593         if ( (*index)->GetSize() )
6594         {
6595             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6596             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6597         }
6598         index++;
6599     }
6600     return f_result;
6601 }
6602
6603 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript
6604 //  for a description of existing commands
6605 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6606 {
6607     bool b_result = false;
6608
6609     char *psz_str = (char*) malloc( i_size + 1 );
6610     memcpy( psz_str, p_command, i_size );
6611     psz_str[ i_size ] = '\0';
6612
6613     std::string sz_command = psz_str;
6614     free( psz_str );
6615
6616     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6617
6618 #if defined(__GNUC__) && (__GNUC__ < 3)
6619     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6620 #else
6621     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6622 #endif
6623     {
6624         size_t i,j;
6625
6626         // find the (
6627         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6628         {
6629             if ( sz_command[i] == '(' )
6630             {
6631                 i++;
6632                 break;
6633             }
6634         }
6635         // find the )
6636         for ( j=i; j<sz_command.size(); j++)
6637         {
6638             if ( sz_command[j] == ')' )
6639             {
6640                 i--;
6641                 break;
6642             }
6643         }
6644
6645         std::string st = sz_command.substr( i+1, j-i-1 );
6646         int64_t i_chapter_uid = atoi( st.c_str() );
6647
6648         virtual_segment_c *p_segment;
6649         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6650
6651         if ( p_chapter == NULL )
6652             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6653         else
6654         {
6655             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6656                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6657             b_result = true;
6658         }
6659     }
6660
6661     return b_result;
6662 }
6663
6664 void demux_sys_t::SwapButtons()
6665 {
6666 #ifndef WORDS_BIGENDIAN
6667     uint8_t button, i, j;
6668
6669     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6670         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6671         binary *p_data = (binary*) button_ptr;
6672
6673         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6674         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6675         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6676         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6677         button_ptr->x_start = i_x_start;
6678         button_ptr->x_end   = i_x_end;
6679         button_ptr->y_start = i_y_start;
6680         button_ptr->y_end   = i_y_end;
6681
6682     }
6683     for ( i = 0; i<3; i++ )
6684     {
6685         for ( j = 0; j<2; j++ )
6686         {
6687             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6688         }
6689     }
6690 #endif
6691 }