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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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
23  *****************************************************************************/
24
25 /*****************************************************************************
26  * Preamble
27  *****************************************************************************/
28 #include <stdlib.h>                                      /* malloc(), free() */
29
30 #include <vlc/vlc.h>
31
32 #ifdef HAVE_TIME_H
33 #   include <time.h>                                               /* time() */
34 #endif
35
36 #include <vlc/input.h>
37
38 #include <codecs.h>                        /* BITMAPINFOHEADER, WAVEFORMATEX */
39 #include "iso_lang.h"
40 #include "vlc_meta.h"
41
42 #include <iostream>
43 #include <cassert>
44 #include <typeinfo>
45 #include <string>
46 #include <vector>
47 #include <algorithm>
48
49 #ifdef HAVE_DIRENT_H
50 #   include <dirent.h>
51 #endif
52
53 /* libebml and matroska */
54 #include "ebml/EbmlHead.h"
55 #include "ebml/EbmlSubHead.h"
56 #include "ebml/EbmlStream.h"
57 #include "ebml/EbmlContexts.h"
58 #include "ebml/EbmlVoid.h"
59 #include "ebml/EbmlVersion.h"
60 #include "ebml/StdIOCallback.h"
61
62 #include "matroska/KaxAttachments.h"
63 #include "matroska/KaxBlock.h"
64 #include "matroska/KaxBlockData.h"
65 #include "matroska/KaxChapters.h"
66 #include "matroska/KaxCluster.h"
67 #include "matroska/KaxClusterData.h"
68 #include "matroska/KaxContexts.h"
69 #include "matroska/KaxCues.h"
70 #include "matroska/KaxCuesData.h"
71 #include "matroska/KaxInfo.h"
72 #include "matroska/KaxInfoData.h"
73 #include "matroska/KaxSeekHead.h"
74 #include "matroska/KaxSegment.h"
75 #include "matroska/KaxTag.h"
76 #include "matroska/KaxTags.h"
77 #include "matroska/KaxTagMulti.h"
78 #include "matroska/KaxTracks.h"
79 #include "matroska/KaxTrackAudio.h"
80 #include "matroska/KaxTrackVideo.h"
81 #include "matroska/KaxTrackEntryData.h"
82 #include "matroska/KaxContentEncoding.h"
83 #include "matroska/KaxVersion.h"
84
85 #include "ebml/StdIOCallback.h"
86
87 #if LIBMATROSKA_VERSION < 0x000706
88 START_LIBMATROSKA_NAMESPACE
89 extern const EbmlSemanticContext MATROSKA_DLL_API KaxMatroska_Context;
90 END_LIBMATROSKA_NAMESPACE
91 #endif
92
93 #include "vlc_keys.h"
94
95 extern "C" {
96    #include "mp4/libmp4.h"
97 }
98 #ifdef HAVE_ZLIB_H
99 #   include <zlib.h>
100 #endif
101
102 #define MATROSKA_COMPRESSION_NONE 0
103 #define MATROSKA_COMPRESSION_ZLIB 1
104
105 #define MKVD_TIMECODESCALE 1000000
106
107 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
108 #undef ATTRIBUTE_PACKED
109 #undef PRAGMA_PACK_BEGIN 
110 #undef PRAGMA_PACK_END
111
112 #if defined(__GNUC__)
113 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
114 #define ATTRIBUTE_PACKED __attribute__ ((packed))
115 #define PRAGMA_PACK 0
116 #endif
117 #endif
118
119 #if !defined(ATTRIBUTE_PACKED)
120 #define ATTRIBUTE_PACKED
121 #define PRAGMA_PACK 1
122 #endif
123
124 #if PRAGMA_PACK
125 #pragma pack(1)
126 #endif
127
128 /*************************************
129 *  taken from libdvdnav / libdvdread
130 **************************************/
131
132 /**
133  * DVD Time Information.
134  */
135 typedef struct {
136   uint8_t hour;
137   uint8_t minute;
138   uint8_t second;
139   uint8_t frame_u; /* The two high bits are the frame rate. */
140 } ATTRIBUTE_PACKED dvd_time_t;
141
142 /**
143  * User Operations.
144  */
145 typedef struct {
146 #ifdef WORDS_BIGENDIAN
147   unsigned char zero                           : 7; /* 25-31 */
148   unsigned char video_pres_mode_change         : 1; /* 24 */
149   
150   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
151   unsigned char angle_change                   : 1;
152   unsigned char subpic_stream_change           : 1;
153   unsigned char audio_stream_change            : 1;
154   unsigned char pause_on                       : 1;
155   unsigned char still_off                      : 1;
156   unsigned char button_select_or_activate      : 1;
157   unsigned char resume                         : 1; /* 16 */
158   
159   unsigned char chapter_menu_call              : 1; /* 15 */
160   unsigned char angle_menu_call                : 1;
161   unsigned char audio_menu_call                : 1;
162   unsigned char subpic_menu_call               : 1;
163   unsigned char root_menu_call                 : 1;
164   unsigned char title_menu_call                : 1;
165   unsigned char backward_scan                  : 1;
166   unsigned char forward_scan                   : 1; /* 8 */
167   
168   unsigned char next_pg_search                 : 1; /* 7 */
169   unsigned char prev_or_top_pg_search          : 1;
170   unsigned char time_or_chapter_search         : 1;
171   unsigned char go_up                          : 1;
172   unsigned char stop                           : 1;
173   unsigned char title_play                     : 1;
174   unsigned char chapter_search_or_play         : 1;
175   unsigned char title_or_time_play             : 1; /* 0 */
176 #else
177   unsigned char video_pres_mode_change         : 1; /* 24 */
178   unsigned char zero                           : 7; /* 25-31 */
179   
180   unsigned char resume                         : 1; /* 16 */
181   unsigned char button_select_or_activate      : 1;
182   unsigned char still_off                      : 1;
183   unsigned char pause_on                       : 1;
184   unsigned char audio_stream_change            : 1;
185   unsigned char subpic_stream_change           : 1;
186   unsigned char angle_change                   : 1;
187   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
188   
189   unsigned char forward_scan                   : 1; /* 8 */
190   unsigned char backward_scan                  : 1;
191   unsigned char title_menu_call                : 1;
192   unsigned char root_menu_call                 : 1;
193   unsigned char subpic_menu_call               : 1;
194   unsigned char audio_menu_call                : 1;
195   unsigned char angle_menu_call                : 1;
196   unsigned char chapter_menu_call              : 1; /* 15 */
197   
198   unsigned char title_or_time_play             : 1; /* 0 */
199   unsigned char chapter_search_or_play         : 1;
200   unsigned char title_play                     : 1;
201   unsigned char stop                           : 1;
202   unsigned char go_up                          : 1;
203   unsigned char time_or_chapter_search         : 1;
204   unsigned char prev_or_top_pg_search          : 1;
205   unsigned char next_pg_search                 : 1; /* 7 */
206 #endif
207 } ATTRIBUTE_PACKED user_ops_t;
208
209 /**
210  * Type to store per-command data.
211  */
212 typedef struct {
213   uint8_t bytes[8];
214 } ATTRIBUTE_PACKED vm_cmd_t;
215 #define COMMAND_DATA_SIZE 8
216
217 /**
218  * PCI General Information 
219  */
220 typedef struct {
221   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
222   uint16_t vobu_cat;        /**< 'category' of vobu */
223   uint16_t zero1;           /**< reserved */
224   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
225   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
226   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
227   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
228   dvd_time_t e_eltm;        /**< Cell elapsed time */
229   char vobu_isrc[32];
230 } ATTRIBUTE_PACKED pci_gi_t;
231
232 /**
233  * Non Seamless Angle Information
234  */
235 typedef struct {
236   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
237 } ATTRIBUTE_PACKED nsml_agli_t;
238
239 /** 
240  * Highlight General Information 
241  *
242  * For btngrX_dsp_ty the bits have the following meaning:
243  * 000b: normal 4/3 only buttons
244  * XX1b: wide (16/9) buttons
245  * X1Xb: letterbox buttons
246  * 1XXb: pan&scan buttons
247  */
248 typedef struct {
249   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
250   uint32_t hli_s_ptm;              /**< start ptm of hli */
251   uint32_t hli_e_ptm;              /**< end ptm of hli */
252   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
253 #ifdef WORDS_BIGENDIAN
254   unsigned char zero1 : 2;          /**< reserved */
255   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
256   unsigned char zero2 : 1;          /**< reserved */
257   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
258   unsigned char zero3 : 1;          /**< reserved */
259   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
260   unsigned char zero4 : 1;          /**< reserved */
261   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
262 #else
263   unsigned char btngr1_dsp_ty : 3;
264   unsigned char zero2 : 1;
265   unsigned char btngr_ns : 2;
266   unsigned char zero1 : 2;
267   unsigned char btngr3_dsp_ty : 3;
268   unsigned char zero4 : 1;
269   unsigned char btngr2_dsp_ty : 3;
270   unsigned char zero3 : 1;
271 #endif
272   uint8_t btn_ofn;     /**< button offset number range 0-255 */
273   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */  
274   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
275   uint8_t zero5;       /**< reserved */
276   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
277   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
278 } ATTRIBUTE_PACKED hl_gi_t;
279
280
281 /** 
282  * Button Color Information Table 
283  * Each entry beeing a 32bit word that contains the color indexs and alpha
284  * values to use.  They are all represented by 4 bit number and stored
285  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
286  * that the indexes reference is in the PGC.
287  * @TODO split the uint32_t into a struct
288  */
289 typedef struct {
290   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
291 } ATTRIBUTE_PACKED btn_colit_t;
292
293 /** 
294  * Button Information
295  *
296  * NOTE: I've had to change the structure from the disk layout to get
297  * the packing to work with Sun's Forte C compiler.
298  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
299  */
300 typedef struct {
301 #ifdef WORDS_BIGENDIAN
302   uint32        btn_coln         : 2;  /**< button color number */
303   uint32        x_start          : 10; /**< x start offset within the overlay */
304   uint32        zero1            : 2;  /**< reserved */
305   uint32        x_end            : 10; /**< x end offset within the overlay */
306
307   uint32        zero3            : 2;  /**< reserved */
308   uint32        up               : 6;  /**< button index when pressing up */
309
310   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
311   uint32        y_start          : 10; /**< y start offset within the overlay */
312   uint32        zero2            : 2;  /**< reserved */
313   uint32        y_end            : 10; /**< y end offset within the overlay */
314
315   uint32        zero4            : 2;  /**< reserved */
316   uint32        down             : 6;  /**< button index when pressing down */
317   unsigned char zero5            : 2;  /**< reserved */
318   unsigned char left             : 6;  /**< button index when pressing left */
319   unsigned char zero6            : 2;  /**< reserved */
320   unsigned char right            : 6;  /**< button index when pressing right */
321 #else
322   uint32        x_end            : 10;
323   uint32        zero1            : 2;
324   uint32        x_start          : 10;
325   uint32        btn_coln         : 2;
326
327   uint32        up               : 6;
328   uint32        zero3            : 2;
329
330   uint32        y_end            : 10;
331   uint32        zero2            : 2;
332   uint32        y_start          : 10;
333   uint32        auto_action_mode : 2;
334
335   uint32        down             : 6;
336   uint32        zero4            : 2;
337   unsigned char left             : 6;
338   unsigned char zero5            : 2;
339   unsigned char right            : 6;
340   unsigned char zero6            : 2;
341 #endif
342   vm_cmd_t cmd;
343 } ATTRIBUTE_PACKED btni_t;
344
345 /**
346  * Highlight Information 
347  */
348 typedef struct {
349   hl_gi_t     hl_gi;
350   btn_colit_t btn_colit;
351   btni_t      btnit[36];
352 } ATTRIBUTE_PACKED hli_t;
353
354 /**
355  * PCI packet
356  */
357 typedef struct {
358   pci_gi_t    pci_gi;
359   nsml_agli_t nsml_agli;
360   hli_t       hli;
361   uint8_t     zero1[189];
362 } ATTRIBUTE_PACKED pci_t;
363
364
365 #if PRAGMA_PACK
366 #pragma pack()
367 #endif
368 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
369
370
371 /**
372  * What's between a directory and a filename?
373  */
374 #if defined( WIN32 )
375     #define DIRECTORY_SEPARATOR '\\'
376 #else
377     #define DIRECTORY_SEPARATOR '/'
378 #endif
379
380 using namespace LIBMATROSKA_NAMESPACE;
381 using namespace std;
382
383 /*****************************************************************************
384  * Module descriptor
385  *****************************************************************************/
386 static int  Open ( vlc_object_t * );
387 static void Close( vlc_object_t * );
388
389 vlc_module_begin();
390     set_shortname( "Matroska" );
391     set_description( _("Matroska stream demuxer" ) );
392     set_capability( "demux2", 50 );
393     set_callbacks( Open, Close );
394     set_category( CAT_INPUT );
395     set_subcategory( SUBCAT_INPUT_DEMUX );
396
397     add_bool( "mkv-use-ordered-chapters", 1, NULL,
398             N_("Ordered chapters"),
399             N_("Play ordered chapters as specified in the segment."), VLC_TRUE );
400
401     add_bool( "mkv-use-chapter-codec", 1, NULL,
402             N_("Chapter codecs"),
403             N_("Use chapter codecs found in the segment."), VLC_TRUE );
404
405     add_bool( "mkv-preload-local-dir", 1, NULL,
406             N_("Preload Directory"),
407             N_("Preload matroska files from the same family in the same directory (not good for broken files)."), VLC_TRUE );
408
409     add_bool( "mkv-seek-percent", 0, NULL,
410             N_("Seek based on percent not time"),
411             N_("Seek based on percent not time."), VLC_TRUE );
412
413     add_bool( "mkv-use-dummy", 0, NULL,
414             N_("Dummy Elements"),
415             N_("Read and discard unknown EBML elements (not good for broken files)."), VLC_TRUE );
416
417     add_shortcut( "mka" );
418     add_shortcut( "mkv" );
419 vlc_module_end();
420
421 /*****************************************************************************
422  * Local prototypes
423  *****************************************************************************/
424 #ifdef HAVE_ZLIB_H
425 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
426     int result, dstsize, n;
427     unsigned char *dst;
428     block_t *p_block;
429     z_stream d_stream;
430
431     d_stream.zalloc = (alloc_func)0;
432     d_stream.zfree = (free_func)0;
433     d_stream.opaque = (voidpf)0;
434     result = inflateInit(&d_stream);
435     if( result != Z_OK )
436     {
437         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
438         return NULL;
439     }
440
441     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
442     d_stream.avail_in = p_in_block->i_buffer;
443     n = 0;
444     p_block = block_New( p_this, 0 );
445     dst = NULL;
446     do
447     {
448         n++;
449         p_block = block_Realloc( p_block, 0, n * 1000 );
450         dst = (unsigned char *)p_block->p_buffer;
451         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
452         d_stream.avail_out = 1000;
453         result = inflate(&d_stream, Z_NO_FLUSH);
454         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
455         {
456             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
457             return NULL;
458         }
459     }
460     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
461            ( result != Z_STREAM_END ) );
462
463     dstsize = d_stream.total_out;
464     inflateEnd( &d_stream );
465
466     p_block = block_Realloc( p_block, 0, dstsize );
467     p_block->i_buffer = dstsize;
468     block_Release( p_in_block );
469
470     return p_block;
471 }
472 #endif
473
474 /**
475  * Helper function to print the mkv parse tree
476  */
477 static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
478 {
479     va_list args;
480     if( i_level > 9 )
481     {
482         msg_Err( &demuxer, "too deep tree" );
483         return;
484     }
485     va_start( args, psz_format );
486     static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
487     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
488     strncpy( psz_foo2, psz_foo, 4 * i_level );
489     psz_foo2[ 4 * i_level ] = '+';
490     psz_foo2[ 4 * i_level + 1 ] = ' ';
491     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
492     __msg_GenericVa( VLC_OBJECT(&demuxer), VLC_MSG_DBG, "mkv", psz_foo2, args );
493     free( psz_foo2 );
494     va_end( args );
495 }
496     
497 /*****************************************************************************
498  * Stream managment
499  *****************************************************************************/
500 class vlc_stream_io_callback: public IOCallback
501 {
502   private:
503     stream_t       *s;
504     vlc_bool_t     mb_eof;
505     vlc_bool_t     b_owner;
506
507   public:
508     vlc_stream_io_callback( stream_t *, vlc_bool_t );
509
510     virtual ~vlc_stream_io_callback()
511     {
512         if( b_owner )
513             stream_Delete( s );
514     }
515
516     virtual uint32   read            ( void *p_buffer, size_t i_size);
517     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
518     virtual size_t   write           ( const void *p_buffer, size_t i_size);
519     virtual uint64   getFilePointer  ( void );
520     virtual void     close           ( void );
521 };
522
523 /*****************************************************************************
524  * Ebml Stream parser
525  *****************************************************************************/
526 class EbmlParser
527 {
528   public:
529     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
530     virtual ~EbmlParser( void );
531
532     void Up( void );
533     void Down( void );
534     void Reset( demux_t *p_demux );
535     EbmlElement *Get( void );
536     void        Keep( void );
537     EbmlElement *UnGet( uint64 i_block_pos, uint64 i_cluster_pos );
538
539     int GetLevel( void );
540
541   private:
542     EbmlStream  *m_es;
543     int         mi_level;
544     EbmlElement *m_el[10];
545     int64_t      mi_remain_size[10];
546
547     EbmlElement *m_got;
548
549     int         mi_user_level;
550     vlc_bool_t  mb_keep;
551     vlc_bool_t  mb_dummy;
552 };
553
554
555 /*****************************************************************************
556  * Some functions to manipulate memory
557  *****************************************************************************/
558 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
559 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
560 {
561     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
562 }
563
564 /*****************************************************************************
565  * definitions of structures and functions used by this plugins
566  *****************************************************************************/
567 typedef struct
568 {
569     vlc_bool_t   b_default;
570     vlc_bool_t   b_enabled;
571     unsigned int i_number;
572
573     int          i_extra_data;
574     uint8_t      *p_extra_data;
575
576     char         *psz_codec;
577
578     uint64_t     i_default_duration;
579     float        f_timecodescale;
580     mtime_t      i_last_dts;
581
582     /* video */
583     es_format_t fmt;
584     float       f_fps;
585     es_out_id_t *p_es;
586
587     vlc_bool_t      b_inited;
588     /* data to be send first */
589     int             i_data_init;
590     uint8_t         *p_data_init;
591
592     /* hack : it's for seek */
593     vlc_bool_t      b_search_keyframe;
594     vlc_bool_t      b_silent;
595
596     /* informative */
597     char         *psz_codec_name;
598     char         *psz_codec_settings;
599     char         *psz_codec_info_url;
600     char         *psz_codec_download_url;
601     
602     /* encryption/compression */
603     int           i_compression_type;
604
605 } mkv_track_t;
606
607 typedef struct
608 {
609     int     i_track;
610     int     i_block_number;
611
612     int64_t i_position;
613     int64_t i_time;
614
615     vlc_bool_t b_key;
616 } mkv_index_t;
617
618 class demux_sys_t;
619
620 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
621 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
622 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
623 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
624 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
625 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
626 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
627
628 class chapter_codec_cmds_c
629 {
630 public:
631     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
632     :p_private_data(NULL)
633     ,i_codec_id( codec_id )
634     ,sys( demuxer )
635     {}
636         
637     virtual ~chapter_codec_cmds_c() 
638     {
639         delete p_private_data;
640         std::vector<KaxChapterProcessData*>::iterator indexe = enter_cmds.begin();
641         while ( indexe != enter_cmds.end() )
642         {
643             delete (*indexe);
644             indexe++;
645         }
646         std::vector<KaxChapterProcessData*>::iterator indexl = leave_cmds.begin();
647         while ( indexl != leave_cmds.end() )
648         {
649             delete (*indexl);
650             indexl++;
651         }
652         std::vector<KaxChapterProcessData*>::iterator indexd = during_cmds.begin();
653         while ( indexd != during_cmds.end() )
654         {
655             delete (*indexd);
656             indexd++;
657         }
658     }
659
660     void SetPrivate( const KaxChapterProcessPrivate & private_data )
661     {
662         p_private_data = new KaxChapterProcessPrivate( private_data );
663     }
664
665     void AddCommand( const KaxChapterProcessCommand & command );
666     
667     /// \return wether the codec has seeked in the files or not
668     virtual bool Enter() { return false; }
669     virtual bool Leave() { return false; }
670     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
671     virtual int16 GetTitleNumber() { return -1; }
672
673     KaxChapterProcessPrivate *p_private_data;
674
675 protected:
676     std::vector<KaxChapterProcessData*> enter_cmds;
677     std::vector<KaxChapterProcessData*> during_cmds;
678     std::vector<KaxChapterProcessData*> leave_cmds;
679
680     int i_codec_id;
681     demux_sys_t & sys;
682 };
683
684 class dvd_command_interpretor_c
685 {
686 public:
687     dvd_command_interpretor_c( demux_sys_t & demuxer )
688     :sys( demuxer )
689     {
690         memset( p_PRMs, 0, sizeof(p_PRMs) );
691         p_PRMs[ 0x80 + 1 ] = 15;
692         p_PRMs[ 0x80 + 2 ] = 62;
693         p_PRMs[ 0x80 + 3 ] = 1;
694         p_PRMs[ 0x80 + 4 ] = 1;
695         p_PRMs[ 0x80 + 7 ] = 1;
696         p_PRMs[ 0x80 + 8 ] = 1;
697         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
698         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
699     }
700     
701     bool Interpret( const binary * p_command, size_t i_size = 8 );
702     
703     uint16 GetPRM( size_t index ) const
704     {
705         if ( index < 256 )
706             return p_PRMs[ index ];
707         else return 0;
708     }
709
710     uint16 GetGPRM( size_t index ) const
711     {
712         if ( index >= 0 && index < 16 )
713             return p_PRMs[ index ];
714         else return 0;
715     }
716
717     uint16 GetSPRM( size_t index ) const
718     {
719         // 21,22,23 reserved for future use
720         if ( index >= 0x80 && index < 0x95 )
721             return p_PRMs[ index ];
722         else return 0;
723     }
724
725     bool SetPRM( size_t index, uint16 value )
726     {
727         if ( index >= 0 && index < 16 )
728         {
729             p_PRMs[ index ] = value;
730             return true;
731         }
732         return false;
733     }
734     
735     bool SetGPRM( size_t index, uint16 value )
736     {
737         if ( index >= 0 && index < 16 )
738         {
739             p_PRMs[ index ] = value;
740             return true;
741         }
742         return false;
743     }
744
745     bool SetSPRM( size_t index, uint16 value )
746     {
747         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
748         {
749             p_PRMs[ index ] = value;
750             return true;
751         }
752         return false;
753     }
754
755 protected:
756     std::string GetRegTypeName( bool b_value, uint16 value ) const
757     {
758         std::string result;
759         char s_value[6], s_reg_value[6];
760         sprintf( s_value, "%.5d", value );
761
762         if ( b_value )
763         {
764             result = "value (";
765             result += s_value;
766             result += ")";
767         }
768         else if ( value < 0x80 )
769         {
770             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
771             result = "GPreg[";
772             result += s_value;
773             result += "] (";
774             result += s_reg_value;
775             result += ")";
776         }
777         else
778         {
779             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
780             result = "SPreg[";
781             result += s_value;
782             result += "] (";
783             result += s_reg_value;
784             result += ")";
785         }
786         return result;
787     }
788
789     uint16       p_PRMs[256];
790     demux_sys_t  & sys;
791     
792     // DVD command IDs
793
794     // Tests
795     // wether it's a comparison on the value or register
796     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
797     static const uint16 CMD_DVD_IF_GPREG_AND        = (1 << 4);
798     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (2 << 4);
799     static const uint16 CMD_DVD_IF_GPREG_NOT_EQUAL  = (3 << 4);
800     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (4 << 4);
801     static const uint16 CMD_DVD_IF_GPREG_SUP        = (5 << 4);
802     static const uint16 CMD_DVD_IF_GPREG_INF_EQUAL  = (6 << 4);
803     static const uint16 CMD_DVD_IF_GPREG_INF        = (7 << 4);
804     
805     static const uint16 CMD_DVD_NOP                    = 0x0000;
806     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
807     static const uint16 CMD_DVD_BREAK                  = 0x0002;
808     // Links
809     static const uint16 CMD_DVD_NOP2                   = 0x2001;
810     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
811     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
812     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
813     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
814     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
815     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
816     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
817     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
818     //
819     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
820     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
821     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
822     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
823     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
824     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
825     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
826     // Operations
827     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
828     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
829     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
830     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
831     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
832     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
833     
834     // callbacks when browsing inside CodecPrivate
835     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
836     static bool MatchIsVMG        ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
837     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
838     static bool MatchVTSMNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
839     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
840     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
841     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
842     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
843     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
844 };
845
846 class dvd_chapter_codec_c : public chapter_codec_cmds_c
847 {
848 public:
849     dvd_chapter_codec_c( demux_sys_t & sys )
850     :chapter_codec_cmds_c( sys, 1 )
851     {}
852
853     bool Enter();
854     bool Leave();
855     std::string GetCodecName( bool f_for_title = false ) const;
856     int16 GetTitleNumber();
857 };
858
859 class matroska_script_interpretor_c
860 {
861 public:
862     matroska_script_interpretor_c( demux_sys_t & demuxer )
863     :sys( demuxer )
864     {}
865
866     bool Interpret( const binary * p_command, size_t i_size );
867     
868     // DVD command IDs
869     static const std::string CMD_MS_GOTO_AND_PLAY;
870     
871 protected:
872     demux_sys_t  & sys;
873 };
874
875 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
876
877
878 class matroska_script_codec_c : public chapter_codec_cmds_c
879 {
880 public:
881     matroska_script_codec_c( demux_sys_t & sys )
882     :chapter_codec_cmds_c( sys, 0 )
883     ,interpretor( sys )
884     {}
885
886     bool Enter();
887     bool Leave();
888
889 protected:
890     matroska_script_interpretor_c interpretor; 
891 };
892
893 class chapter_translation_c
894 {
895 public:
896     chapter_translation_c()
897         :p_translated(NULL)
898     {}
899
900     ~chapter_translation_c()
901     {
902         delete p_translated;
903     }
904
905     KaxChapterTranslateID  *p_translated;
906     unsigned int           codec_id;
907     std::vector<uint64_t>  editions;
908 };
909
910 class chapter_item_c
911 {
912 public:
913     chapter_item_c()
914     :i_start_time(0)
915     ,i_end_time(-1)
916     ,i_user_start_time(-1)
917     ,i_user_end_time(-1)
918     ,i_seekpoint_num(-1)
919     ,b_display_seekpoint(true)
920     ,b_user_display(false)
921     ,psz_parent(NULL)
922     ,b_is_leaving(false)
923     {}
924
925     virtual ~chapter_item_c()
926     {
927         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
928         while ( index != codecs.end() )
929         {
930             delete (*index);
931             index++;
932         }
933         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
934         while ( index_ != sub_chapters.end() )
935         {
936             delete (*index_);
937             index_++;
938         }
939     }
940
941     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
942     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
943     virtual chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current, bool & b_found );
944     void Append( const chapter_item_c & edition );
945     chapter_item_c * FindChapter( int64_t i_find_uid );
946     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id, 
947                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
948                                     const void *p_cookie, 
949                                     size_t i_cookie_size );
950     std::string                 GetCodecName( bool f_for_title = false ) const;
951     bool                        ParentOf( const chapter_item_c & item ) const;
952     int16                       GetTitleNumber( ) const;
953     
954     int64_t                     i_start_time, i_end_time;
955     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
956     std::vector<chapter_item_c*> sub_chapters;
957     int                         i_seekpoint_num;
958     int64_t                     i_uid;
959     bool                        b_display_seekpoint;
960     bool                        b_user_display;
961     std::string                 psz_name;
962     chapter_item_c              *psz_parent;
963     bool                        b_is_leaving;
964     
965     std::vector<chapter_codec_cmds_c*> codecs;
966
967     static bool CompareTimecode( const chapter_item_c * itemA, const chapter_item_c * itemB )
968     {
969         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) );
970     }
971
972     bool Enter( bool b_do_subchapters );
973     bool Leave( bool b_do_subchapters );
974     bool EnterAndLeave( chapter_item_c *p_item, bool b_enter = true );
975 };
976
977 class chapter_edition_c : public chapter_item_c
978 {
979 public:
980     chapter_edition_c()
981     :b_ordered(false)
982     {}
983     
984     void RefreshChapters( );
985     mtime_t Duration() const;
986     std::string GetMainName() const;
987     chapter_item_c * FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current );
988     
989     bool                        b_ordered;
990 };
991
992 class matroska_segment_c
993 {
994 public:
995     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
996         :segment(NULL)
997         ,es(estream)
998         ,i_timescale(MKVD_TIMECODESCALE)
999         ,i_duration(-1)
1000         ,i_start_time(0)
1001         ,i_cues_position(-1)
1002         ,i_chapters_position(-1)
1003         ,i_tags_position(-1)
1004         ,cluster(NULL)
1005         ,i_block_pos(0)
1006         ,i_cluster_pos(0)
1007         ,i_start_pos(0)
1008         ,p_segment_uid(NULL)
1009         ,p_prev_segment_uid(NULL)
1010         ,p_next_segment_uid(NULL)
1011         ,b_cues(VLC_FALSE)
1012         ,i_index(0)
1013         ,i_index_max(1024)
1014         ,psz_muxing_application(NULL)
1015         ,psz_writing_application(NULL)
1016         ,psz_segment_filename(NULL)
1017         ,psz_title(NULL)
1018         ,psz_date_utc(NULL)
1019         ,i_default_edition(0)
1020         ,sys(demuxer)
1021         ,ep(NULL)
1022         ,b_preloaded(false)
1023     {
1024         p_indexes = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
1025     }
1026
1027     virtual ~matroska_segment_c()
1028     {
1029         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
1030         {
1031             if( tracks[i_track]->fmt.psz_description )
1032             {
1033                 free( tracks[i_track]->fmt.psz_description );
1034             }
1035             if( tracks[i_track]->psz_codec )
1036             {
1037                 free( tracks[i_track]->psz_codec );
1038             }
1039             if( tracks[i_track]->fmt.psz_language )
1040             {
1041                 free( tracks[i_track]->fmt.psz_language );
1042             }
1043             delete tracks[i_track];
1044         }
1045         
1046         if( psz_writing_application )
1047         {
1048             free( psz_writing_application );
1049         }
1050         if( psz_muxing_application )
1051         {
1052             free( psz_muxing_application );
1053         }
1054         if( psz_segment_filename )
1055         {
1056             free( psz_segment_filename );
1057         }
1058         if( psz_title )
1059         {
1060             free( psz_title );
1061         }
1062         if( psz_date_utc )
1063         {
1064             free( psz_date_utc );
1065         }
1066         if ( p_indexes )
1067             free( p_indexes );
1068
1069         delete ep;
1070         delete segment;
1071         delete p_segment_uid;
1072         delete p_prev_segment_uid;
1073         delete p_next_segment_uid;
1074
1075         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1076         while ( index != stored_editions.end() )
1077         {
1078             delete (*index);
1079             index++;
1080         }
1081         std::vector<chapter_translation_c*>::iterator indext = translations.begin();
1082         while ( indext != translations.end() )
1083         {
1084             delete (*indext);
1085             indext++;
1086         }
1087         std::vector<KaxSegmentFamily*>::iterator indexf = families.begin();
1088         while ( indexf != families.end() )
1089         {
1090             delete (*indexf);
1091             indexf++;
1092         }
1093     }
1094
1095     KaxSegment              *segment;
1096     EbmlStream              & es;
1097
1098     /* time scale */
1099     uint64_t                i_timescale;
1100
1101     /* duration of the segment */
1102     mtime_t                 i_duration;
1103     mtime_t                 i_start_time;
1104
1105     /* all tracks */
1106     std::vector<mkv_track_t*> tracks;
1107
1108     /* from seekhead */
1109     int64_t                 i_cues_position;
1110     int64_t                 i_chapters_position;
1111     int64_t                 i_tags_position;
1112
1113     KaxCluster              *cluster;
1114     uint64                  i_block_pos;
1115     uint64                  i_cluster_pos;
1116     int64_t                 i_start_pos;
1117     KaxSegmentUID           *p_segment_uid;
1118     KaxPrevUID              *p_prev_segment_uid;
1119     KaxNextUID              *p_next_segment_uid;
1120
1121     vlc_bool_t              b_cues;
1122     int                     i_index;
1123     int                     i_index_max;
1124     mkv_index_t             *p_indexes;
1125
1126     /* info */
1127     char                    *psz_muxing_application;
1128     char                    *psz_writing_application;
1129     char                    *psz_segment_filename;
1130     char                    *psz_title;
1131     char                    *psz_date_utc;
1132
1133     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1134     /* when you remove this variable the compiler issues an atomicity error */
1135     /* this variable only works when using std::vector<chapter_edition_c> */
1136     std::vector<chapter_edition_c*> stored_editions;
1137     int                             i_default_edition;
1138
1139     std::vector<chapter_translation_c*> translations;
1140     std::vector<KaxSegmentFamily*>  families;
1141     
1142     demux_sys_t                    & sys;
1143     EbmlParser                     *ep;
1144     bool                           b_preloaded;
1145
1146     bool Preload( );
1147     bool PreloadFamily( const matroska_segment_c & segment );
1148     void ParseInfo( KaxInfo *info );
1149     void ParseChapters( KaxChapters *chapters );
1150     void ParseSeekHead( KaxSeekHead *seekhead );
1151     void ParseTracks( KaxTracks *tracks );
1152     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1153     void ParseTrackEntry( KaxTrackEntry *m );
1154     void ParseCluster( );
1155     void IndexAppendCluster( KaxCluster *cluster );
1156     void LoadCues( );
1157     void LoadTags( );
1158     void InformationCreate( );
1159     void Seek( mtime_t i_date, mtime_t i_time_offset );
1160     int BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
1161     bool Select( mtime_t i_start_time );
1162     void UnSelect( );
1163
1164     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1165 };
1166
1167 // class holding hard-linked segment together in the playback order
1168 class virtual_segment_c
1169 {
1170 public:
1171     virtual_segment_c( matroska_segment_c *p_segment )
1172         :p_editions(NULL)
1173         ,i_sys_title(0)
1174         ,i_current_segment(0)
1175         ,i_current_edition(-1)
1176         ,psz_current_chapter(NULL)
1177     {
1178         linked_segments.push_back( p_segment );
1179
1180         AppendUID( p_segment->p_segment_uid );
1181         AppendUID( p_segment->p_prev_segment_uid );
1182         AppendUID( p_segment->p_next_segment_uid );
1183     }
1184
1185     void Sort();
1186     size_t AddSegment( matroska_segment_c *p_segment );
1187     void PreloadLinked( );
1188     mtime_t Duration( ) const;
1189     void LoadCues( );
1190     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1191
1192     inline chapter_edition_c *Edition()
1193     {
1194         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1195             return (*p_editions)[i_current_edition];
1196         return NULL;
1197     }
1198
1199     matroska_segment_c * Segment() const
1200     {
1201         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1202             return NULL;
1203         return linked_segments[i_current_segment];
1204     }
1205
1206     inline chapter_item_c *CurrentChapter() {
1207         return psz_current_chapter;
1208     }
1209
1210     bool SelectNext()
1211     {
1212         if ( i_current_segment < linked_segments.size()-1 )
1213         {
1214             i_current_segment++;
1215             return true;
1216         }
1217         return false;
1218     }
1219
1220     bool FindUID( KaxSegmentUID & uid ) const
1221     {
1222         for ( size_t i=0; i<linked_uids.size(); i++ )
1223         {
1224             if ( linked_uids[i] == uid )
1225                 return true;
1226         }
1227         return false;
1228     }
1229
1230     bool UpdateCurrentToChapter( demux_t & demux );
1231     void PrepareChapters( );
1232
1233     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id, 
1234                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
1235                                         const void *p_cookie, 
1236                                         size_t i_cookie_size );
1237     chapter_item_c *FindChapter( int64_t i_find_uid );
1238
1239     std::vector<chapter_edition_c*>  *p_editions;
1240     int                              i_sys_title;
1241
1242 protected:
1243     std::vector<matroska_segment_c*> linked_segments;
1244     std::vector<KaxSegmentUID>       linked_uids;
1245     size_t                           i_current_segment;
1246
1247     int                              i_current_edition;
1248     chapter_item_c                   *psz_current_chapter;
1249
1250     void                             AppendUID( const EbmlBinary * UID );
1251 };
1252
1253 class matroska_stream_c
1254 {
1255 public:
1256     matroska_stream_c( demux_sys_t & demuxer )
1257         :p_in(NULL)
1258         ,p_es(NULL)
1259         ,sys(demuxer)
1260     {}
1261
1262     virtual ~matroska_stream_c()
1263     {
1264         delete p_in;
1265         delete p_es;
1266     }
1267
1268     IOCallback         *p_in;
1269     EbmlStream         *p_es;
1270
1271     std::vector<matroska_segment_c*> segments;
1272
1273     demux_sys_t                      & sys;
1274 };
1275
1276 typedef struct
1277 {
1278     VLC_COMMON_MEMBERS
1279
1280     demux_t        *p_demux;
1281     vlc_mutex_t     lock;
1282
1283     vlc_bool_t      b_moved;
1284     vlc_bool_t      b_clicked;
1285     vlc_bool_t      b_key;
1286
1287 } event_thread_t;
1288
1289 class demux_sys_t
1290 {
1291 public:
1292     demux_sys_t( demux_t & demux )
1293         :demuxer(demux)
1294         ,i_pts(0)
1295         ,i_start_pts(0)
1296         ,i_chapter_time(0)
1297         ,meta(NULL)
1298         ,i_current_title(0)
1299         ,p_current_segment(NULL)
1300         ,dvd_interpretor( *this )
1301         ,f_duration(-1.0)
1302         ,b_ui_hooked(false)
1303         ,p_input(NULL)
1304         ,b_pci_packet_set(false)
1305         ,p_ev(NULL)
1306     {
1307         vlc_mutex_init( &demuxer, &lock_demuxer );
1308     }
1309
1310     virtual ~demux_sys_t()
1311     {
1312         StopUiThread();
1313         size_t i;
1314         for ( i=0; i<streams.size(); i++ )
1315             delete streams[i];
1316         for ( i=0; i<opened_segments.size(); i++ )
1317             delete opened_segments[i];
1318         for ( i=0; i<used_segments.size(); i++ )
1319             delete used_segments[i];
1320         vlc_mutex_destroy( &lock_demuxer );
1321     }
1322
1323     /* current data */
1324     demux_t                 & demuxer;
1325
1326     mtime_t                 i_pts;
1327     mtime_t                 i_start_pts;
1328     mtime_t                 i_chapter_time;
1329
1330     vlc_meta_t              *meta;
1331
1332     std::vector<input_title_t*>      titles; // matroska editions
1333     size_t                           i_current_title;
1334
1335     std::vector<matroska_stream_c*>  streams;
1336     std::vector<matroska_segment_c*> opened_segments;
1337     std::vector<virtual_segment_c*>  used_segments;
1338     virtual_segment_c                *p_current_segment;
1339
1340     dvd_command_interpretor_c        dvd_interpretor;
1341
1342     /* duration of the stream */
1343     float                   f_duration;
1344
1345     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1346     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id, 
1347                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
1348                                         const void *p_cookie, 
1349                                         size_t i_cookie_size, 
1350                                         virtual_segment_c * & p_segment_found );
1351     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1352
1353     void PreloadFamily( const matroska_segment_c & of_segment );
1354     void PreloadLinked( matroska_segment_c *p_segment );
1355     bool PreparePlayback( virtual_segment_c *p_new_segment );
1356     matroska_stream_c *AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial = false );
1357     void JumpTo( virtual_segment_c & p_segment, chapter_item_c * p_chapter );
1358
1359     void StartUiThread();
1360     void StopUiThread();
1361     bool b_ui_hooked;
1362     inline void SwapButtons();
1363
1364     /* for spu variables */
1365     input_thread_t *p_input;
1366     pci_t          pci_packet;
1367     bool           b_pci_packet_set;
1368     uint8_t        palette[4][4];
1369     vlc_mutex_t    lock_demuxer;
1370
1371     /* event */
1372     event_thread_t *p_ev;
1373     static int EventThread( vlc_object_t *p_this );
1374     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1375                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1376     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1377                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1378
1379
1380
1381 protected:
1382     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1383     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1384 };
1385
1386 static int  Demux  ( demux_t * );
1387 static int  Control( demux_t *, int, va_list );
1388 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1389
1390 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1391
1392 static inline char * ToUTF8( const UTFstring &u )
1393 {
1394     return strdup( u.GetUTF8().c_str() );
1395 }
1396
1397 /*****************************************************************************
1398  * Open: initializes matroska demux structures
1399  *****************************************************************************/
1400 static int Open( vlc_object_t * p_this )
1401 {
1402     demux_t            *p_demux = (demux_t*)p_this;
1403     demux_sys_t        *p_sys;
1404     matroska_stream_c  *p_stream;
1405     matroska_segment_c *p_segment;
1406     uint8_t            *p_peek;
1407     std::string        s_path, s_filename;
1408     vlc_stream_io_callback *p_io_callback;
1409     EbmlStream         *p_io_stream;
1410
1411     /* peek the begining */
1412     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1413
1414     /* is a valid file */
1415     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1416         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1417
1418     /* Set the demux function */
1419     p_demux->pf_demux   = Demux;
1420     p_demux->pf_control = Control;
1421     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1422
1423     p_io_callback = new vlc_stream_io_callback( p_demux->s, VLC_FALSE );
1424     p_io_stream = new EbmlStream( *p_io_callback );
1425
1426     if( p_io_stream == NULL )
1427     {
1428         msg_Err( p_demux, "failed to create EbmlStream" );
1429         delete p_io_callback;
1430         delete p_sys;
1431         return VLC_EGENERIC;
1432     }
1433
1434     p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_io_stream, true );
1435     if( p_stream == NULL )
1436     {
1437         msg_Err( p_demux, "cannot find KaxSegment" );
1438         goto error;
1439     }
1440     p_sys->streams.push_back( p_stream );
1441
1442     p_stream->p_in = p_io_callback;
1443     p_stream->p_es = p_io_stream;
1444
1445     for (size_t i=0; i<p_stream->segments.size(); i++)
1446     {
1447         p_stream->segments[i]->Preload();
1448     }
1449
1450     p_segment = p_stream->segments[0];
1451     if( p_segment->cluster != NULL )
1452     {
1453         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1454
1455         // reset the stream reading to the first cluster of the segment used
1456         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1457     }
1458
1459     if (config_GetInt( p_demux, "mkv-preload-local-dir" ))
1460     {
1461         /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1462         if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1463         {
1464             // assume it's a regular file
1465             // get the directory path
1466             s_path = p_demux->psz_path;
1467             if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1468             {
1469                 s_path = s_path.substr(0,s_path.length()-1);
1470             }
1471             else
1472             {
1473                 if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0) 
1474                 {
1475                     s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1476                 }
1477             }
1478
1479             struct dirent *p_file_item;
1480             DIR *p_src_dir = opendir(s_path.c_str());
1481
1482             if (p_src_dir != NULL)
1483             {
1484                 while ((p_file_item = (dirent *) readdir(p_src_dir)))
1485                 {
1486                     if (strlen(p_file_item->d_name) > 4)
1487                     {
1488                         s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1489
1490 #ifdef WIN32
1491                         if (!strcasecmp(s_filename.c_str(), p_demux->psz_path))
1492 #else
1493                         if (!s_filename.compare(p_demux->psz_path))
1494 #endif
1495                             continue; // don't reuse the original opened file
1496
1497 #if defined(__GNUC__) && (__GNUC__ < 3)
1498                         if (!s_filename.compare("mkv", s_filename.length() - 3, 3) || 
1499                             !s_filename.compare("mka", s_filename.length() - 3, 3))
1500 #else
1501                         if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") || 
1502                             !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1503 #endif
1504                         {
1505                             // test wether this file belongs to our family
1506                             stream_t *p_file_stream = stream_UrlNew( p_demux, s_filename.c_str());
1507                             if ( p_file_stream != NULL )
1508                             {
1509                                 vlc_stream_io_callback *p_file_io = new vlc_stream_io_callback( p_file_stream, VLC_TRUE );
1510                                 EbmlStream *p_estream = new EbmlStream(*p_file_io);
1511
1512                                 p_stream = p_sys->AnalyseAllSegmentsFound( p_demux, p_estream );
1513
1514                                 if ( p_stream == NULL )
1515                                 {
1516                                     msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1517                                     delete p_estream;
1518                                     delete p_file_io;
1519                                 }
1520                                 else
1521                                 {
1522                                     p_stream->p_in = p_file_io;
1523                                     p_stream->p_es = p_estream;
1524                                     p_sys->streams.push_back( p_stream );
1525                                 }
1526                             }
1527                             else
1528                             {
1529                                 msg_Dbg( p_demux, "the file '%s' cannot be opened", s_filename.c_str() );
1530                             }
1531                         }
1532                     }
1533                 }
1534                 closedir( p_src_dir );
1535             }
1536         }
1537
1538         p_sys->PreloadFamily( *p_segment );
1539     }
1540
1541     p_sys->PreloadLinked( p_segment );
1542
1543     if ( !p_sys->PreparePlayback( NULL ) )
1544     {
1545         msg_Err( p_demux, "cannot use the segment" );
1546         goto error;
1547     }
1548
1549     p_sys->StartUiThread();
1550     
1551     return VLC_SUCCESS;
1552
1553 error:
1554     delete p_sys;
1555     return VLC_EGENERIC;
1556 }
1557
1558 /*****************************************************************************
1559  * Close: frees unused data
1560  *****************************************************************************/
1561 static void Close( vlc_object_t *p_this )
1562 {
1563     demux_t     *p_demux = (demux_t*)p_this;
1564     demux_sys_t *p_sys   = p_demux->p_sys;
1565
1566     delete p_sys;
1567 }
1568
1569 /*****************************************************************************
1570  * Control:
1571  *****************************************************************************/
1572 static int Control( demux_t *p_demux, int i_query, va_list args )
1573 {
1574     demux_sys_t        *p_sys = p_demux->p_sys;
1575     int64_t     *pi64;
1576     double      *pf, f;
1577     int         i_skp;
1578     size_t      i_idx;
1579
1580     vlc_meta_t **pp_meta;
1581
1582     switch( i_query )
1583     {
1584         case DEMUX_GET_META:
1585             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1586             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1587             return VLC_SUCCESS;
1588
1589         case DEMUX_GET_LENGTH:
1590             pi64 = (int64_t*)va_arg( args, int64_t * );
1591             if( p_sys->f_duration > 0.0 )
1592             {
1593                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1594                 return VLC_SUCCESS;
1595             }
1596             return VLC_EGENERIC;
1597
1598         case DEMUX_GET_POSITION:
1599             pf = (double*)va_arg( args, double * );
1600             if ( p_sys->f_duration > 0.0 )
1601                 *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);
1602             return VLC_SUCCESS;
1603
1604         case DEMUX_SET_POSITION:
1605             f = (double)va_arg( args, double );
1606             Seek( p_demux, -1, f, NULL );
1607             return VLC_SUCCESS;
1608
1609         case DEMUX_GET_TIME:
1610             pi64 = (int64_t*)va_arg( args, int64_t * );
1611             *pi64 = p_sys->i_pts;
1612             return VLC_SUCCESS;
1613
1614         case DEMUX_GET_TITLE_INFO:
1615             if( p_sys->titles.size() )
1616             {
1617                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1618                 int *pi_int    = (int*)va_arg( args, int* );
1619
1620                 *pi_int = p_sys->titles.size();
1621                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1622
1623                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1624                 {
1625                     (*ppp_title)[i] = vlc_input_title_Duplicate( p_sys->titles[i] );
1626                 }
1627
1628                 return VLC_SUCCESS;
1629             }
1630             return VLC_EGENERIC;
1631
1632         case DEMUX_SET_TITLE:
1633             /* TODO handle editions as titles */
1634             i_idx = (int)va_arg( args, int );
1635             if( i_idx < p_sys->used_segments.size() )
1636             {
1637                 p_sys->JumpTo( *p_sys->used_segments[i_idx], NULL );
1638                 return VLC_SUCCESS;
1639             }
1640             return VLC_EGENERIC;
1641
1642         case DEMUX_SET_SEEKPOINT:
1643             i_skp = (int)va_arg( args, int );
1644
1645             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1646             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title]->i_seekpoint)
1647             {
1648                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title]->seekpoint[i_skp]->i_time_offset, -1, NULL);
1649                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1650                 p_demux->info.i_seekpoint = i_skp;
1651                 return VLC_SUCCESS;
1652             }
1653             return VLC_EGENERIC;
1654
1655         case DEMUX_SET_TIME:
1656         case DEMUX_GET_FPS:
1657         default:
1658             return VLC_EGENERIC;
1659     }
1660 }
1661
1662 int matroska_segment_c::BlockGet( KaxBlock * & pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1663 {
1664     pp_block = NULL;
1665     *pi_ref1  = 0;
1666     *pi_ref2  = 0;
1667
1668     for( ;; )
1669     {
1670         EbmlElement *el;
1671         int         i_level;
1672
1673         if ( ep == NULL )
1674             return VLC_EGENERIC;
1675
1676         el = ep->Get();
1677         i_level = ep->GetLevel();
1678
1679         if( el == NULL && pp_block != NULL )
1680         {
1681             /* update the index */
1682 #define idx p_indexes[i_index - 1]
1683             if( i_index > 0 && idx.i_time == -1 )
1684             {
1685                 idx.i_time        = (*pp_block).GlobalTimecode() / (mtime_t)1000;
1686                 idx.b_key         = *pi_ref1 == 0 ? VLC_TRUE : VLC_FALSE;
1687             }
1688 #undef idx
1689             return VLC_SUCCESS;
1690         }
1691
1692         if( el == NULL )
1693         {
1694             if( ep->GetLevel() > 1 )
1695             {
1696                 ep->Up();
1697                 continue;
1698             }
1699             msg_Warn( &sys.demuxer, "EOF" );
1700             return VLC_EGENERIC;
1701         }
1702
1703         /* do parsing */
1704         switch ( i_level )
1705         {
1706         case 1:
1707             if( MKV_IS_ID( el, KaxCluster ) )
1708             {
1709                 cluster = (KaxCluster*)el;
1710                 i_cluster_pos = cluster->GetElementPosition();
1711
1712                 /* add it to the index */
1713                 if( i_index == 0 ||
1714                     ( i_index > 0 && p_indexes[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1715                 {
1716                     IndexAppendCluster( cluster );
1717                 }
1718
1719                 // reset silent tracks
1720                 for (size_t i=0; i<tracks.size(); i++)
1721                 {
1722                     tracks[i]->b_silent = VLC_FALSE;
1723                 }
1724
1725                 ep->Down();
1726             }
1727             else if( MKV_IS_ID( el, KaxCues ) )
1728             {
1729                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1730                 return VLC_EGENERIC;
1731             }
1732             else
1733             {
1734                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1735             }
1736             break;
1737         case 2:
1738             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1739             {
1740                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1741
1742                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1743                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1744             }
1745             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1746             {
1747                 ep->Down();
1748             }
1749             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1750             {
1751                 i_block_pos = el->GetElementPosition();
1752                 ep->Down();
1753             }
1754             break;
1755         case 3:
1756             if( MKV_IS_ID( el, KaxBlock ) )
1757             {
1758                 pp_block = (KaxBlock*)el;
1759
1760                 pp_block->ReadData( es.I_O() );
1761                 pp_block->SetParent( *cluster );
1762
1763                 ep->Keep();
1764             }
1765             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1766             {
1767                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1768
1769                 dur.ReadData( es.I_O() );
1770                 *pi_duration = uint64( dur );
1771             }
1772             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1773             {
1774                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1775
1776                 ref.ReadData( es.I_O() );
1777                 if( *pi_ref1 == 0 )
1778                 {
1779                     *pi_ref1 = int64( ref ) * cluster->GlobalTimecodeScale();
1780                 }
1781                 else
1782                 {
1783                     *pi_ref2 = int64( ref ) * cluster->GlobalTimecodeScale();
1784                 }
1785             }
1786             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1787             {
1788                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1789                 track_num.ReadData( es.I_O() );
1790                 // find the track
1791                 for (size_t i=0; i<tracks.size(); i++)
1792                 {
1793                     if ( tracks[i]->i_number == uint32(track_num))
1794                     {
1795                         tracks[i]->b_silent = VLC_TRUE;
1796                         break;
1797                     }
1798                 }
1799             }
1800             break;
1801         default:
1802             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1803             return VLC_EGENERIC;
1804         }
1805     }
1806 }
1807
1808 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1809 {
1810     block_t *p_block;
1811     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1812     memcpy( p_block->p_buffer, p_mem, i_mem );
1813     //p_block->i_rate = p_input->stream.control.i_rate;
1814     return p_block;
1815 }
1816
1817 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1818                          mtime_t i_duration, bool f_unreferenced )
1819 {
1820     demux_sys_t        *p_sys = p_demux->p_sys;
1821     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1822
1823     size_t          i_track;
1824     unsigned int    i;
1825     vlc_bool_t      b;
1826
1827 #define tk  p_segment->tracks[i_track]
1828     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1829     {
1830         if( tk->i_number == block->TrackNum() )
1831         {
1832             break;
1833         }
1834     }
1835
1836     if( i_track >= p_segment->tracks.size() )
1837     {
1838         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1839         return;
1840     }
1841     if( tk->fmt.i_cat != NAV_ES && tk->p_es == NULL )
1842     {
1843         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1844         return;
1845     }
1846     if( i_pts + i_duration < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1847     {
1848         return; /* discard audio packets that shouldn't be rendered */
1849     }
1850
1851     if ( tk->fmt.i_cat != NAV_ES )
1852     {
1853         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1854
1855         if( !b )
1856         {
1857             tk->b_inited = VLC_FALSE;
1858             return;
1859         }
1860     }
1861
1862
1863     /* First send init data */
1864     if( !tk->b_inited && tk->i_data_init > 0 )
1865     {
1866         block_t *p_init;
1867
1868         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1869         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1870         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1871     }
1872     tk->b_inited = VLC_TRUE;
1873
1874
1875     for( i = 0; i < block->NumberFrames(); i++ )
1876     {
1877         block_t *p_block;
1878         DataBuffer &data = block->GetBuffer(i);
1879
1880         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1881
1882         if( p_block == NULL )
1883         {
1884             break;
1885         }
1886
1887 #if defined(HAVE_ZLIB_H)
1888         if( tk->i_compression_type )
1889         {
1890             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1891         }
1892 #endif
1893
1894         if ( tk->fmt.i_cat == NAV_ES )
1895         {
1896             // TODO handle the start/stop times of this packet
1897             if ( p_sys->b_ui_hooked )
1898             {
1899                 vlc_mutex_lock( &p_sys->p_ev->lock );
1900                 memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1901                 p_sys->SwapButtons();
1902                 p_sys->b_pci_packet_set = true;
1903                 vlc_mutex_unlock( &p_sys->p_ev->lock );
1904                 block_Release( p_block );
1905             }
1906             return;
1907         }
1908         // correct timestamping when B frames are used
1909         if( tk->fmt.i_cat != VIDEO_ES )
1910         {
1911             p_block->i_dts = p_block->i_pts = i_pts;
1912         }
1913         else
1914         {
1915             if( !strcmp( tk->psz_codec, "V_MS/VFW/FOURCC" ) )
1916             {
1917                 // in VFW we have no idea about B frames
1918                 p_block->i_pts = 0;
1919                 p_block->i_dts = i_pts;
1920             }
1921             else
1922             {
1923                 p_block->i_pts = i_pts;
1924                 if ( f_unreferenced )
1925                     p_block->i_dts = p_block->i_pts;
1926                 else
1927                     p_block->i_dts = min( i_pts, tk->i_last_dts + (tk->i_default_duration >> 10));
1928                 p_sys->i_pts = p_block->i_dts;
1929             }
1930         }
1931         tk->i_last_dts = p_block->i_dts;
1932
1933 #if 1
1934 msg_Dbg( p_demux, "block i_dts: "I64Fd" / i_pts: "I64Fd, p_block->i_dts, p_block->i_pts);
1935 #endif
1936         if( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1937         {
1938             p_block->i_length = i_duration * 1000;
1939         }
1940
1941         es_out_Send( p_demux->out, tk->p_es, p_block );
1942
1943         /* use time stamp only for first block */
1944         i_pts = 0;
1945     }
1946
1947 #undef tk
1948 }
1949
1950 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( demux_t *p_demux, EbmlStream *p_estream, bool b_initial )
1951 {
1952     int i_upper_lvl = 0;
1953     size_t i;
1954     EbmlElement *p_l0, *p_l1, *p_l2;
1955     bool b_keep_stream = false, b_keep_segment;
1956
1957     // verify the EBML Header
1958     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1959     if (p_l0 == NULL)
1960     {
1961         msg_Err( p_demux, "No EBML header found" );
1962         return NULL;
1963     }
1964
1965     // verify we can read this Segment, we only support Matroska version 1 for now
1966     p_l0->Read(*p_estream, EbmlHead::ClassInfos.Context, i_upper_lvl, p_l0, true);
1967
1968     EDocType doc_type = GetChild<EDocType>(*static_cast<EbmlHead*>(p_l0));
1969     if (std::string(doc_type) != "matroska")
1970     {
1971         msg_Err( p_demux, "Not a Matroska file : DocType = %s ", std::string(doc_type).c_str());
1972         return NULL;
1973     }
1974
1975     EDocTypeReadVersion doc_read_version = GetChild<EDocTypeReadVersion>(*static_cast<EbmlHead*>(p_l0));
1976     if (uint64(doc_read_version) != 1)
1977     {
1978         msg_Err( p_demux, "This matroska file is needs version "I64Fd" and this VLC only supports version 1", uint64(doc_read_version));
1979         return NULL;
1980     }
1981
1982     delete p_l0;
1983
1984
1985     // find all segments in this file
1986     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFFLL);
1987     if (p_l0 == NULL)
1988     {
1989         return NULL;
1990     }
1991
1992     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1993
1994     while (p_l0 != 0)
1995     {
1996         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1997         {
1998             EbmlParser  *ep;
1999             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
2000             b_keep_segment = b_initial;
2001
2002             ep = new EbmlParser(p_estream, p_l0, &demuxer );
2003             p_segment1->ep = ep;
2004             p_segment1->segment = (KaxSegment*)p_l0;
2005
2006             while ((p_l1 = ep->Get()))
2007             {
2008                 if (MKV_IS_ID(p_l1, KaxInfo))
2009                 {
2010                     // find the families of this segment
2011                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
2012
2013                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
2014                     for( i = 0; i < p_info->ListSize(); i++ )
2015                     {
2016                         EbmlElement *l = (*p_info)[i];
2017
2018                         if( MKV_IS_ID( l, KaxSegmentUID ) )
2019                         {
2020                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
2021                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
2022                             if ( !b_keep_segment )
2023                                 break; // this segment is already known
2024                             opened_segments.push_back( p_segment1 );
2025                             delete p_segment1->p_segment_uid;
2026                             p_segment1->p_segment_uid = new KaxSegmentUID(*p_uid);
2027                         }
2028                         else if( MKV_IS_ID( l, KaxPrevUID ) )
2029                         {
2030                             p_segment1->p_prev_segment_uid = new KaxPrevUID( *static_cast<KaxPrevUID*>(l) );
2031                         }
2032                         else if( MKV_IS_ID( l, KaxNextUID ) )
2033                         {
2034                             p_segment1->p_next_segment_uid = new KaxNextUID( *static_cast<KaxNextUID*>(l) );
2035                         }
2036                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
2037                         {
2038                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
2039                             p_segment1->families.push_back( p_fam );
2040                         }
2041                     }
2042                     break;
2043                 }
2044             }
2045             if ( b_keep_segment )
2046             {
2047                 b_keep_stream = true;
2048                 p_stream1->segments.push_back( p_segment1 );
2049             }
2050             else
2051                 delete p_segment1;
2052         }
2053         if (p_l0->IsFiniteSize() )
2054         {
2055             p_l0->SkipData(*p_estream, KaxMatroska_Context);
2056             p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
2057         }
2058         else
2059             p_l0 = p_l0->SkipData(*p_estream, KaxSegment_Context);
2060     }
2061
2062     if ( !b_keep_stream )
2063     {
2064         delete p_stream1;
2065         p_stream1 = NULL;
2066     }
2067
2068     return p_stream1;
2069 }
2070
2071 bool matroska_segment_c::Select( mtime_t i_start_time )
2072 {
2073     size_t i_track;
2074
2075     /* add all es */
2076     msg_Dbg( &sys.demuxer, "found %d es", (int)tracks.size() );
2077     sys.b_pci_packet_set = false;
2078
2079     for( i_track = 0; i_track < tracks.size(); i_track++ )
2080     {
2081         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
2082         {
2083             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2084             tracks[i_track]->p_es = NULL;
2085             continue;
2086         }
2087
2088         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
2089         {
2090             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
2091             {
2092                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
2093                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2094             }
2095             else
2096             {
2097                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
2098
2099                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
2100                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
2101                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
2102
2103                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
2104                 if( tracks[i_track]->fmt.i_extra > 0 )
2105                 {
2106                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2107                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
2108                 }
2109             }
2110         }
2111         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
2112                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
2113         {
2114             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
2115         }
2116         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
2117         {
2118             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
2119             {
2120                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
2121             }
2122             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
2123             {
2124                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
2125                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2126                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2127                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2128             }
2129             else
2130             {
2131                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2132             }
2133         }
2134         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2135         {
2136             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2137             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2138                                                        tracks[i_track]->p_extra_data,
2139                                                        tracks[i_track]->i_extra_data,
2140                                                        VLC_FALSE );
2141             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2142             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2143             tracks[i_track]->fmt.i_codec = p_box->i_type;
2144             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2145             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2146             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2147             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2148             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2149             MP4_FreeBox_sample_vide( p_box );
2150             stream_Delete( p_mp4_stream );
2151         }
2152         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2153         {
2154             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2155             {
2156                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2157                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2158             }
2159             else
2160             {
2161                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2162
2163                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2164
2165                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2166                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2167                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2168                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2169                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2170
2171                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2172                 if( tracks[i_track]->fmt.i_extra > 0 )
2173                 {
2174                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2175                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2176                 }
2177             }
2178         }
2179         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2180                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2181                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2182         {
2183             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2184         }
2185         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2186         {
2187             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2188         }
2189         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2190         {
2191             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2192         }
2193         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2194         {
2195             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2196             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2197             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2198             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2199         }
2200         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2201         {
2202             int i, i_offset = 1, i_size[3], i_extra;
2203             uint8_t *p_extra;
2204
2205             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2206
2207             /* Split the 3 headers */
2208             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2209                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2210
2211             for( i = 0; i < 2; i++ )
2212             {
2213                 i_size[i] = 0;
2214                 while( i_offset < tracks[i_track]->i_extra_data )
2215                 {
2216                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2217                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2218                 }
2219             }
2220
2221             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2222             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2223             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2224
2225             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2226             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2227             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2228             for( i = 0; i < 3; i++ )
2229             {
2230                 *(p_extra++) = i_size[i] >> 8;
2231                 *(p_extra++) = i_size[i] & 0xFF;
2232                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2233                         i_size[i] );
2234                 p_extra += i_size[i];
2235                 i_extra += i_size[i];
2236             }
2237         }
2238         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2239                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2240         {
2241             int i_profile, i_srate;
2242             static unsigned int i_sample_rates[] =
2243             {
2244                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2245                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2246             };
2247
2248             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2249             /* create data for faad (MP4DecSpecificDescrTag)*/
2250
2251             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2252             {
2253                 i_profile = 0;
2254             }
2255             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2256             {
2257                 i_profile = 1;
2258             }
2259             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2260             {
2261                 i_profile = 2;
2262             }
2263             else
2264             {
2265                 i_profile = 3;
2266             }
2267
2268             for( i_srate = 0; i_srate < 13; i_srate++ )
2269             {
2270                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2271                 {
2272                     break;
2273                 }
2274             }
2275             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2276
2277             tracks[i_track]->fmt.i_extra = 2;
2278             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2279             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2280             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2281         }
2282         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2283                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2284                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2285         {
2286             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2287             {
2288                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2289             }
2290             else
2291             {
2292                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2293             }
2294             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2295         }
2296         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2297         {
2298             /* FIXME: support this codec */
2299             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2300             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2301         }
2302         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2303         {
2304             /* FIXME: support this codec */
2305             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", (int)i_track, tracks[i_track]->i_number );
2306             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2307         }
2308         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2309         {
2310             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2311             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2312         }
2313         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2314                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2315                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2316                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2317         {
2318             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2319             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2320         }
2321         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2322         {
2323             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2324             if( tracks[i_track]->i_extra_data )
2325             {
2326                 char *p_start;
2327                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2328                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2329                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2330                 
2331                 p_start = strstr( p_buf, "size:" );
2332                 if( sscanf( p_start, "size: %dx%d",
2333                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2334                 {
2335                     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 );
2336                 }
2337                 else
2338                 {
2339                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2340                 }
2341                 free( p_buf );
2342             }
2343         }
2344         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2345         {
2346             tracks[i_track]->fmt.i_cat = NAV_ES;
2347             continue;
2348         }
2349         else
2350         {
2351             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2352             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2353         }
2354         if( tracks[i_track]->b_default )
2355         {
2356             tracks[i_track]->fmt.i_priority = 1000;
2357         }
2358
2359         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2360
2361         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2362     }
2363     
2364     sys.i_start_pts = i_start_time;
2365     // reset the stream reading to the first cluster of the segment used
2366     es.I_O().setFilePointer( i_start_pos );
2367
2368     delete ep;
2369     ep = new EbmlParser( &es, segment, &sys.demuxer );
2370
2371     return true;
2372 }
2373
2374 void demux_sys_t::StartUiThread()
2375 {
2376     if ( !b_ui_hooked )
2377     {
2378         msg_Dbg( &demuxer, "Starting the UI Hook" );
2379         b_ui_hooked = true;
2380         /* FIXME hack hack hack hack FIXME */
2381         /* Get p_input and create variable */
2382         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2383         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2384         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2385         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2386         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2387         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2388         var_Create( p_input, "menu-palette", VLC_VAR_ADDRESS );
2389         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2390         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2391
2392         /* Now create our event thread catcher */
2393         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2394         p_ev->p_demux = &demuxer;
2395         p_ev->b_die = VLC_FALSE;
2396         vlc_mutex_init( p_ev, &p_ev->lock );
2397         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2398                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2399     }
2400 }
2401
2402 void demux_sys_t::StopUiThread()
2403 {
2404     if ( b_ui_hooked )
2405     {
2406         p_ev->b_die = VLC_TRUE;
2407
2408         vlc_thread_join( p_ev );
2409         vlc_object_destroy( p_ev );
2410
2411         p_ev = NULL;
2412
2413         var_Destroy( p_input, "highlight-mutex" );
2414         var_Destroy( p_input, "highlight" );
2415         var_Destroy( p_input, "x-start" );
2416         var_Destroy( p_input, "x-end" );
2417         var_Destroy( p_input, "y-start" );
2418         var_Destroy( p_input, "y-end" );
2419         var_Destroy( p_input, "color" );
2420         var_Destroy( p_input, "menu-palette" );
2421
2422         vlc_object_release( p_input );
2423
2424         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2425     }
2426     b_ui_hooked = false;
2427 }
2428
2429 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2430                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2431 {
2432     event_thread_t *p_ev = (event_thread_t *) p_data;
2433     vlc_mutex_lock( &p_ev->lock );
2434     if( psz_var[6] == 'c' )
2435     {
2436         p_ev->b_clicked = VLC_TRUE;
2437         msg_Dbg( p_this, "Event Mouse: clicked");
2438     }
2439     else if( psz_var[6] == 'm' )
2440         p_ev->b_moved = VLC_TRUE;
2441     vlc_mutex_unlock( &p_ev->lock );
2442
2443     return VLC_SUCCESS;
2444 }
2445
2446 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2447                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2448 {
2449     event_thread_t *p_ev = (event_thread_t *) p_data;
2450     vlc_mutex_lock( &p_ev->lock );
2451     p_ev->b_key = VLC_TRUE;
2452     vlc_mutex_unlock( &p_ev->lock );
2453     msg_Dbg( p_this, "Event Key");
2454
2455     return VLC_SUCCESS;
2456 }
2457
2458 int demux_sys_t::EventThread( vlc_object_t *p_this )
2459 {
2460     event_thread_t *p_ev = (event_thread_t*)p_this;
2461     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2462     vlc_object_t   *p_vout = NULL;
2463
2464     p_ev->b_moved   = VLC_FALSE;
2465     p_ev->b_clicked = VLC_FALSE;
2466     p_ev->b_key     = VLC_FALSE;
2467
2468     /* catch all key event */
2469     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2470
2471     /* main loop */
2472     while( !p_ev->b_die )
2473     {
2474         if ( !p_sys->b_pci_packet_set )
2475         {
2476             /* Wait 100ms */
2477             msleep( 100000 );
2478             continue;
2479         }
2480
2481         vlc_bool_t b_activated = VLC_FALSE;
2482
2483         /* KEY part */
2484         if( p_ev->b_key )
2485         {
2486             vlc_value_t valk;
2487             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2488             int i, i_action = -1;
2489
2490             msg_Dbg( p_ev->p_demux, "Handle Key Event");
2491
2492             vlc_mutex_lock( &p_ev->lock );
2493
2494             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2495
2496             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2497             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2498             {
2499                 if( p_hotkeys[i].i_key == valk.i_int )
2500                 {
2501                     i_action = p_hotkeys[i].i_action;
2502                 }
2503             }
2504
2505             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2506
2507             switch( i_action )
2508             {
2509             case ACTIONID_NAV_LEFT:
2510                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2511                 {
2512                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2513                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2514                     {
2515                         i_curr_button = p_button_ptr->left;
2516                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2517                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2518                         if ( button_ptr.auto_action_mode )
2519                         {
2520                             vlc_mutex_unlock( &p_ev->lock );
2521                             vlc_mutex_lock( &p_sys->lock_demuxer );
2522
2523                             // process the button action
2524                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2525
2526                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2527                             vlc_mutex_lock( &p_ev->lock );
2528                         }
2529                     }
2530                 }
2531                 break;
2532             case ACTIONID_NAV_RIGHT:
2533                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2534                 {
2535                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2536                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2537                     {
2538                         i_curr_button = p_button_ptr->right;
2539                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2540                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2541                         if ( button_ptr.auto_action_mode )
2542                         {
2543                             vlc_mutex_unlock( &p_ev->lock );
2544                             vlc_mutex_lock( &p_sys->lock_demuxer );
2545
2546                             // process the button action
2547                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2548
2549                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2550                             vlc_mutex_lock( &p_ev->lock );
2551                         }
2552                     }
2553                 }
2554                 break;
2555             case ACTIONID_NAV_UP:
2556                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2557                 {
2558                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2559                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2560                     {
2561                         i_curr_button = p_button_ptr->up;
2562                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2563                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2564                         if ( button_ptr.auto_action_mode )
2565                         {
2566                             vlc_mutex_unlock( &p_ev->lock );
2567                             vlc_mutex_lock( &p_sys->lock_demuxer );
2568
2569                             // process the button action
2570                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2571
2572                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2573                             vlc_mutex_lock( &p_ev->lock );
2574                         }
2575                     }
2576                 }
2577                 break;
2578             case ACTIONID_NAV_DOWN:
2579                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2580                 {
2581                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2582                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2583                     {
2584                         i_curr_button = p_button_ptr->down;
2585                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2586                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2587                         if ( button_ptr.auto_action_mode )
2588                         {
2589                             vlc_mutex_unlock( &p_ev->lock );
2590                             vlc_mutex_lock( &p_sys->lock_demuxer );
2591
2592                             // process the button action
2593                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2594
2595                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2596                             vlc_mutex_lock( &p_ev->lock );
2597                         }
2598                     }
2599                 }
2600                 break;
2601             case ACTIONID_NAV_ACTIVATE:
2602                 b_activated = VLC_TRUE;
2603         
2604                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2605                 {
2606                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2607
2608                     vlc_mutex_unlock( &p_ev->lock );
2609                     vlc_mutex_lock( &p_sys->lock_demuxer );
2610
2611                     // process the button action
2612                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2613
2614                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2615                     vlc_mutex_lock( &p_ev->lock );
2616                 }
2617                 break;
2618             default:
2619                 break;
2620             }
2621             p_ev->b_key = VLC_FALSE;
2622             vlc_mutex_unlock( &p_ev->lock );
2623         }
2624
2625         /* MOUSE part */
2626         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2627         {
2628             vlc_value_t valx, valy;
2629
2630             vlc_mutex_lock( &p_ev->lock );
2631             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2632             var_Get( p_vout, "mouse-x", &valx );
2633             var_Get( p_vout, "mouse-y", &valy );
2634
2635             if( p_ev->b_clicked )
2636             {
2637                 int32_t button;
2638                 int32_t best,dist,d;
2639                 int32_t mx,my,dx,dy;
2640
2641                 msg_Dbg( p_ev->p_demux, "Handle Mouse Event: Mouse clicked x(%d)*y(%d)", (unsigned)valx.i_int, (unsigned)valy.i_int);
2642
2643                 b_activated = VLC_TRUE;
2644                 // get current button
2645                 best = 0;
2646                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2647                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++) 
2648                 {
2649                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2650
2651                     if(((unsigned)valx.i_int >= button_ptr->x_start)
2652                      && ((unsigned)valx.i_int <= button_ptr->x_end)
2653                      && ((unsigned)valy.i_int >= button_ptr->y_start)
2654                      && ((unsigned)valy.i_int <= button_ptr->y_end)) 
2655                     {
2656                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2657                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2658                         dx = mx - valx.i_int;
2659                         dy = my - valy.i_int;
2660                         d = (dx*dx) + (dy*dy);
2661                         /* If the mouse is within the button and the mouse is closer
2662                         * to the center of this button then it is the best choice. */
2663                         if(d < dist) {
2664                             dist = d;
2665                             best = button;
2666                         }
2667                     }
2668                 }
2669
2670                 if ( best != 0)
2671                 {
2672                     btni_t button_ptr = pci->hli.btnit[best-1];
2673                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2674
2675                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2676                     vlc_mutex_unlock( &p_ev->lock );
2677                     vlc_mutex_lock( &p_sys->lock_demuxer );
2678
2679                     // process the button action
2680                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2681                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2682
2683                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2684
2685                     // select new button
2686                     if ( best != i_curr_button )
2687                     {
2688                         vlc_value_t val;
2689
2690                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2691                         {
2692                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2693                             uint32_t i_palette;
2694
2695                             if(button_ptr.btn_coln != 0) {
2696                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2697                             } else {
2698                                 i_palette = 0;
2699                             }
2700
2701                             for( int i = 0; i < 4; i++ )
2702                             {
2703                                 uint32_t i_yuv = 0xFF;//p_sys->clut[(hl.palette>>(16+i*4))&0x0f];
2704                                 uint8_t i_alpha = (i_palette>>(i*4))&0x0f;
2705                                 i_alpha = i_alpha == 0xf ? 0xff : i_alpha << 4;
2706
2707                                 p_sys->palette[i][0] = (i_yuv >> 16) & 0xff;
2708                                 p_sys->palette[i][1] = (i_yuv >> 0) & 0xff;
2709                                 p_sys->palette[i][2] = (i_yuv >> 8) & 0xff;
2710                                 p_sys->palette[i][3] = i_alpha;
2711                             }
2712
2713                             vlc_mutex_lock( p_mutex );
2714                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2715                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2716                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2717                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2718
2719                             val.p_address = (void *)p_sys->palette;
2720                             var_Set( p_sys->p_input, "menu-palette", val );
2721
2722                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2723                             vlc_mutex_unlock( p_mutex );
2724                         }
2725                     }
2726                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2727                     vlc_mutex_lock( &p_ev->lock );
2728                 }
2729             }
2730             else if( p_ev->b_moved )
2731             {
2732 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2733             }
2734
2735             p_ev->b_moved = VLC_FALSE;
2736             p_ev->b_clicked = VLC_FALSE;
2737             vlc_mutex_unlock( &p_ev->lock );
2738         }
2739
2740         /* VOUT part */
2741         if( p_vout && p_vout->b_die )
2742         {
2743             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2744             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2745             vlc_object_release( p_vout );
2746             p_vout = NULL;
2747         }
2748
2749         else if( p_vout == NULL )
2750         {
2751             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2752                                       FIND_CHILD );
2753             if( p_vout)
2754             {
2755                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2756                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2757             }
2758         }
2759
2760         /* Wait a bit, 10ms */
2761         msleep( 10000 );
2762     }
2763
2764     /* Release callback */
2765     if( p_vout )
2766     {
2767         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2768         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2769         vlc_object_release( p_vout );
2770     }
2771     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2772
2773     vlc_mutex_destroy( &p_ev->lock );
2774
2775     return VLC_SUCCESS;
2776 }
2777
2778 void matroska_segment_c::UnSelect( )
2779 {
2780     size_t i_track;
2781
2782     for( i_track = 0; i_track < tracks.size(); i_track++ )
2783     {
2784         if ( tracks[i_track]->p_es != NULL )
2785         {
2786 //            es_format_Clean( &tracks[i_track]->fmt );
2787             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2788             tracks[i_track]->p_es = NULL;
2789         }
2790     }
2791     delete ep;
2792     ep = NULL;
2793 }
2794
2795 void virtual_segment_c::PrepareChapters( )
2796 {
2797     if ( linked_segments.size() == 0 )
2798         return;
2799
2800     // !!! should be called only once !!!
2801     matroska_segment_c *p_segment;
2802     size_t i, j;
2803
2804     // copy editions from the first segment
2805     p_segment = linked_segments[0];
2806     p_editions = &p_segment->stored_editions;
2807
2808     for ( i=1 ; i<linked_segments.size(); i++ )
2809     {
2810         p_segment = linked_segments[i];
2811         // FIXME assume we have the same editions in all segments
2812         for (j=0; j<p_segment->stored_editions.size(); j++)
2813             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2814     }
2815 }
2816
2817 std::string chapter_edition_c::GetMainName() const
2818 {
2819     if ( sub_chapters.size() )
2820     {
2821         return sub_chapters[0]->GetCodecName( true );
2822     }
2823     return "";
2824 }
2825
2826 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2827 {
2828     // add support for meta-elements from codec like DVD Titles
2829     if ( !b_display_seekpoint || psz_name == "" )
2830     {
2831         psz_name = GetCodecName();
2832         if ( psz_name != "" )
2833             b_display_seekpoint = true;
2834     }
2835
2836     if (b_display_seekpoint)
2837     {
2838         seekpoint_t *sk = vlc_seekpoint_New();
2839
2840         sk->i_level = i_level;
2841         sk->i_time_offset = i_start_time;
2842         sk->psz_name = strdup( psz_name.c_str() );
2843
2844         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2845         title.i_seekpoint++;
2846         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2847         title.seekpoint[title.i_seekpoint-1] = sk;
2848
2849         if ( b_user_display )
2850             i_user_chapters++;
2851     }
2852
2853     for ( size_t i=0; i<sub_chapters.size() ; i++)
2854     {
2855         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2856     }
2857
2858     i_seekpoint_num = i_user_chapters;
2859
2860     return i_user_chapters;
2861 }
2862
2863 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2864 {
2865     demux_sys_t & sys = *demux.p_sys;
2866     chapter_item_c *psz_curr_chapter;
2867     bool b_has_seeked = false;
2868
2869     /* update current chapter/seekpoint */
2870     if ( p_editions->size() )
2871     {
2872         /* 1st, we need to know in which chapter we are */
2873         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts, psz_current_chapter );
2874
2875         /* we have moved to a new chapter */
2876         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2877         {
2878             if ( (*p_editions)[i_current_edition]->b_ordered )
2879             {
2880                 // Leave/Enter up to the link point
2881                 b_has_seeked = psz_curr_chapter->EnterAndLeave( psz_current_chapter );
2882                 if ( !b_has_seeked )
2883                 {
2884                     // only physically seek if necessary
2885                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2886                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2887                 }
2888             }
2889             
2890             if ( !b_has_seeked )
2891             {
2892                 psz_current_chapter = psz_curr_chapter;
2893                 if ( psz_curr_chapter->i_seekpoint_num > 0 )
2894                 {
2895                     demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2896                     demux.info.i_title = sys.i_current_title = i_sys_title;
2897                     demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2898                 }
2899             }
2900
2901             return true;
2902         }
2903         else if (psz_curr_chapter == NULL)
2904         {
2905             // out of the scope of the data described by chapters, leave the edition
2906             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2907             {
2908                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter, false ) )
2909                     psz_current_chapter = NULL;
2910                 else
2911                     return true;
2912             }
2913         }
2914     }
2915     return false;
2916 }
2917
2918 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id, 
2919                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
2920                                     const void *p_cookie, 
2921                                     size_t i_cookie_size )
2922 {
2923     // FIXME don't assume it is the first edition
2924     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2925     if ( index != p_editions->end() )
2926     {
2927         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2928         if ( p_result != NULL )
2929             return p_result;
2930     }
2931     return NULL;
2932 }
2933
2934 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2935 {
2936     // FIXME don't assume it is the first edition
2937     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2938     if ( index != p_editions->end() )
2939     {
2940         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2941         if ( p_result != NULL )
2942             return p_result;
2943     }
2944     return NULL;
2945 }
2946
2947 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id, 
2948                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
2949                                     const void *p_cookie, 
2950                                     size_t i_cookie_size )
2951 {
2952     // this chapter
2953     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2954     while ( index != codecs.end() )
2955     {
2956         if ( match( **index ,p_cookie, i_cookie_size ) )
2957             return this;
2958         index++;
2959     }
2960     
2961     // sub-chapters
2962     chapter_item_c *p_result = NULL;
2963     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2964     while ( index2 != sub_chapters.end() )
2965     {
2966         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2967         if ( p_result != NULL )
2968             return p_result;
2969         index2++;
2970     }
2971     
2972     return p_result;
2973 }
2974
2975 void chapter_item_c::Append( const chapter_item_c & chapter )
2976 {
2977     // we are appending content for the same chapter UID
2978     size_t i;
2979     chapter_item_c *p_chapter;
2980
2981     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2982     {
2983         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2984         if ( p_chapter != NULL )
2985         {
2986             p_chapter->Append( *chapter.sub_chapters[i] );
2987         }
2988         else
2989         {
2990             sub_chapters.push_back( chapter.sub_chapters[i] );
2991         }
2992     }
2993
2994     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2995     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2996 }
2997
2998 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2999 {
3000     size_t i;
3001     chapter_item_c *p_result = NULL;
3002
3003     if ( i_uid == i_find_uid )
3004         return this;
3005
3006     for ( i=0; i<sub_chapters.size(); i++)
3007     {
3008         p_result = sub_chapters[i]->FindChapter( i_find_uid );
3009         if ( p_result != NULL )
3010             break;
3011     }
3012     return p_result;
3013 }
3014
3015 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
3016 {
3017     std::string result;
3018
3019     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3020     while ( index != codecs.end() )
3021     {
3022         result = (*index)->GetCodecName( f_for_title );
3023         if ( result != "" )
3024             break;
3025         index++;
3026     }
3027
3028     return result;
3029 }
3030
3031 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
3032 {
3033     std::string result;
3034     if ( p_private_data->GetSize() >= 3)
3035     {
3036         const binary* p_data = p_private_data->GetBuffer();
3037 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
3038         {
3039             uint16_t i_title = (p_data[1] << 8) + p_data[2];
3040             char psz_str[11];
3041             sprintf( psz_str, " %d  ---", i_title );
3042             result = N_("---  DVD Title");
3043             result += psz_str;
3044         }
3045         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
3046         {
3047             char psz_str[11];
3048             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
3049             result = N_("---  DVD Menu");
3050             result += psz_str;
3051         }
3052         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
3053         {
3054             if ( p_data[1] == 0x00 )
3055                 result = N_("First Played");
3056             else if ( p_data[1] == 0xC0 )
3057                 result = N_("Video Manager");
3058             else if ( p_data[1] == 0x80 )
3059             {
3060                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
3061                 char psz_str[20];
3062                 sprintf( psz_str, " %d -----", i_title );
3063                 result = N_("----- Title");
3064                 result += psz_str;
3065             }
3066         }
3067     }
3068
3069     return result;
3070 }
3071
3072 int16 chapter_item_c::GetTitleNumber( ) const
3073 {
3074     int result = -1;
3075
3076     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
3077     while ( index != codecs.end() )
3078     {
3079         result = (*index)->GetTitleNumber( );
3080         if ( result >= 0 )
3081             break;
3082         index++;
3083     }
3084
3085     return result;
3086 }
3087
3088 int16 dvd_chapter_codec_c::GetTitleNumber()
3089 {
3090     if ( p_private_data->GetSize() >= 3)
3091     {
3092         const binary* p_data = p_private_data->GetBuffer();
3093         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
3094         {
3095             return int16( (p_data[2] << 8) + p_data[3] );
3096         }
3097     }
3098     return -1;
3099 }
3100
3101 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
3102 {
3103     demux_sys_t        *p_sys = p_demux->p_sys;
3104     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3105     matroska_segment_c *p_segment = p_vsegment->Segment();
3106     mtime_t            i_time_offset = 0;
3107
3108     int         i_index;
3109
3110     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
3111     if( i_date < 0 && f_percent < 0 )
3112     {
3113         msg_Warn( p_demux, "cannot seek nowhere !" );
3114         return;
3115     }
3116     if( f_percent > 1.0 )
3117     {
3118         msg_Warn( p_demux, "cannot seek so far !" );
3119         return;
3120     }
3121
3122     /* seek without index or without date */
3123     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
3124     {
3125         if (p_sys->f_duration >= 0)
3126         {
3127             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
3128         }
3129         else
3130         {
3131             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
3132
3133             msg_Dbg( p_demux, "inacurate way of seeking" );
3134             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
3135             {
3136                 if( p_segment->p_indexes[i_index].i_position >= i_pos)
3137                 {
3138                     break;
3139                 }
3140             }
3141             if( i_index == p_segment->i_index )
3142             {
3143                 i_index--;
3144             }
3145
3146             i_date = p_segment->p_indexes[i_index].i_time;
3147
3148 #if 0
3149             if( p_segment->p_indexes[i_index].i_position < i_pos )
3150             {
3151                 EbmlElement *el;
3152
3153                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3154
3155                 /* search a cluster */
3156                 while( ( el = p_sys->ep->Get() ) != NULL )
3157                 {
3158                     if( MKV_IS_ID( el, KaxCluster ) )
3159                     {
3160                         KaxCluster *cluster = (KaxCluster*)el;
3161
3162                         /* add it to the index */
3163                         p_segment->IndexAppendCluster( cluster );
3164
3165                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3166                         {
3167                             p_sys->cluster = cluster;
3168                             p_sys->ep->Down();
3169                             break;
3170                         }
3171                     }
3172                 }
3173             }
3174 #endif
3175         }
3176     }
3177
3178     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3179 }
3180
3181 /*****************************************************************************
3182  * Demux: reads and demuxes data packets
3183  *****************************************************************************
3184  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3185  *****************************************************************************/
3186 static int Demux( demux_t *p_demux)
3187 {
3188     demux_sys_t        *p_sys = p_demux->p_sys;
3189
3190     vlc_mutex_lock( &p_sys->lock_demuxer );
3191
3192     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3193     matroska_segment_c *p_segment = p_vsegment->Segment();
3194     if ( p_segment == NULL ) return 0;
3195     int                i_block_count = 0;
3196     int                i_return = 0;
3197
3198     for( ;; )
3199     {
3200         if ( p_sys->demuxer.b_die )
3201             break;
3202
3203         if( p_sys->i_pts >= p_sys->i_start_pts  )
3204             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3205             {
3206                 i_return = 1;
3207                 break;
3208             }
3209         
3210         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3211         {
3212             /* nothing left to read in this ordered edition */
3213             if ( !p_vsegment->SelectNext() )
3214                 break;
3215             p_segment->UnSelect( );
3216             
3217             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3218
3219             /* switch to the next segment */
3220             p_segment = p_vsegment->Segment();
3221             if ( !p_segment->Select( 0 ) )
3222             {
3223                 msg_Err( p_demux, "Failed to select new segment" );
3224                 break;
3225             }
3226             continue;
3227         }
3228
3229         KaxBlock *block;
3230         int64_t i_block_duration = 0;
3231         int64_t i_block_ref1;
3232         int64_t i_block_ref2;
3233
3234         if( p_segment->BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3235         {
3236             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3237             {
3238                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3239                 // check if there are more chapters to read
3240                 if ( p_chap != NULL )
3241                 {
3242                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3243                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3244                         p_vsegment->SelectNext();
3245                     */
3246                     p_sys->i_pts = p_chap->i_user_end_time;
3247                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3248
3249                     i_return = 1;
3250                 }
3251
3252                 break;
3253             }
3254             else
3255             {
3256                 msg_Warn( p_demux, "cannot get block EOF?" );
3257                 p_segment->UnSelect( );
3258                 
3259                 es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3260
3261                 /* switch to the next segment */
3262                 if ( !p_vsegment->SelectNext() )
3263                     // no more segments in this stream
3264                     break;
3265                 p_segment = p_vsegment->Segment();
3266                 if ( !p_segment->Select( 0 ) )
3267                 {
3268                     msg_Err( p_demux, "Failed to select new segment" );
3269                     break;
3270                 }
3271
3272                 continue;
3273             }
3274         }
3275
3276         p_sys->i_pts = (p_sys->i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
3277
3278         if( p_sys->i_pts >= p_sys->i_start_pts  )
3279         {
3280             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3281
3282             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3283             {
3284                 i_return = 1;
3285                 delete block;
3286                 break;
3287             }
3288         }
3289         
3290         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3291         {
3292             /* nothing left to read in this ordered edition */
3293             if ( !p_vsegment->SelectNext() )
3294             {
3295                 delete block;
3296                 break;
3297             }
3298             p_segment->UnSelect( );
3299             
3300             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3301
3302             /* switch to the next segment */
3303             p_segment = p_vsegment->Segment();
3304             if ( !p_segment->Select( 0 ) )
3305             {
3306                 msg_Err( p_demux, "Failed to select new segment" );
3307                 delete block;
3308                 break;
3309             }
3310             delete block;
3311             continue;
3312         }
3313
3314         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration, i_block_ref1 >= 0 || i_block_ref2 > 0 );
3315
3316         delete block;
3317         i_block_count++;
3318
3319         // TODO optimize when there is need to leave or when seeking has been called
3320         if( i_block_count > 5 )
3321         {
3322             i_return = 1;
3323             break;
3324         }
3325     }
3326
3327     vlc_mutex_unlock( &p_sys->lock_demuxer );
3328
3329     return i_return;
3330 }
3331
3332
3333
3334 /*****************************************************************************
3335  * Stream managment
3336  *****************************************************************************/
3337 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_, vlc_bool_t b_owner_ )
3338 {
3339     s = s_;
3340     b_owner = b_owner_;
3341     mb_eof = VLC_FALSE;
3342 }
3343
3344 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3345 {
3346     if( i_size <= 0 || mb_eof )
3347     {
3348         return 0;
3349     }
3350
3351     return stream_Read( s, p_buffer, i_size );
3352 }
3353 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3354 {
3355     int64_t i_pos;
3356
3357     switch( mode )
3358     {
3359         case seek_beginning:
3360             i_pos = i_offset;
3361             break;
3362         case seek_end:
3363             i_pos = stream_Size( s ) - i_offset;
3364             break;
3365         default:
3366             i_pos= stream_Tell( s ) + i_offset;
3367             break;
3368     }
3369
3370     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3371     {
3372         mb_eof = VLC_TRUE;
3373         return;
3374     }
3375
3376     mb_eof = VLC_FALSE;
3377     if( stream_Seek( s, i_pos ) )
3378     {
3379         mb_eof = VLC_TRUE;
3380     }
3381     return;
3382 }
3383 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3384 {
3385     return 0;
3386 }
3387 uint64 vlc_stream_io_callback::getFilePointer( void )
3388 {
3389     if ( s == NULL )
3390         return 0;
3391     return stream_Tell( s );
3392 }
3393 void vlc_stream_io_callback::close( void )
3394 {
3395     return;
3396 }
3397
3398
3399 /*****************************************************************************
3400  * Ebml Stream parser
3401  *****************************************************************************/
3402 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3403 {
3404     int i;
3405
3406     m_es = es;
3407     m_got = NULL;
3408     m_el[0] = el_start;
3409     mi_remain_size[0] = el_start->GetSize();
3410
3411     for( i = 1; i < 6; i++ )
3412     {
3413         m_el[i] = NULL;
3414     }
3415     mi_level = 1;
3416     mi_user_level = 1;
3417     mb_keep = VLC_FALSE;
3418     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3419 }
3420
3421 EbmlParser::~EbmlParser( void )
3422 {
3423     int i;
3424
3425     for( i = 1; i < mi_level; i++ )
3426     {
3427         if( !mb_keep )
3428         {
3429             delete m_el[i];
3430         }
3431         mb_keep = VLC_FALSE;
3432     }
3433 }
3434
3435 EbmlElement* EbmlParser::UnGet( uint64 i_block_pos, uint64 i_cluster_pos )
3436 {
3437     if ( mi_user_level > mi_level )
3438     {
3439         while ( mi_user_level != mi_level )
3440         {
3441             delete m_el[mi_user_level];
3442             m_el[mi_user_level] = NULL;
3443             mi_user_level--;
3444         }
3445     }
3446     m_got = NULL;
3447     mb_keep = VLC_FALSE;
3448     if ( m_el[1]->GetElementPosition() == i_cluster_pos )
3449     {
3450         m_es->I_O().setFilePointer( i_block_pos, seek_beginning );
3451         return (EbmlMaster*) m_el[1];
3452     }
3453     else
3454     {
3455         // seek to the previous Cluster
3456         m_es->I_O().setFilePointer( i_cluster_pos, seek_beginning );
3457         mi_level--;
3458         mi_user_level--;
3459         delete m_el[mi_level];
3460         m_el[mi_level] = NULL;
3461         return NULL;
3462     }
3463 }
3464
3465 void EbmlParser::Up( void )
3466 {
3467     if( mi_user_level == mi_level )
3468     {
3469         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3470     }
3471
3472     mi_user_level--;
3473 }
3474
3475 void EbmlParser::Down( void )
3476 {
3477     mi_user_level++;
3478     mi_level++;
3479 }
3480
3481 void EbmlParser::Keep( void )
3482 {
3483     mb_keep = VLC_TRUE;
3484 }
3485
3486 int EbmlParser::GetLevel( void )
3487 {
3488     return mi_user_level;
3489 }
3490
3491 void EbmlParser::Reset( demux_t *p_demux )
3492 {
3493     while ( mi_level > 0)
3494     {
3495         delete m_el[mi_level];
3496         m_el[mi_level] = NULL;
3497         mi_level--;
3498     }
3499     mi_user_level = mi_level = 1;
3500 #if LIBEBML_VERSION >= 0x000704
3501     // a little faster and cleaner
3502     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3503 #else
3504     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3505 #endif
3506     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3507 }
3508
3509 EbmlElement *EbmlParser::Get( void )
3510 {
3511     int i_ulev = 0;
3512
3513     if( mi_user_level != mi_level )
3514     {
3515         return NULL;
3516     }
3517     if( m_got )
3518     {
3519         EbmlElement *ret = m_got;
3520         m_got = NULL;
3521
3522         return ret;
3523     }
3524
3525     if( m_el[mi_level] )
3526     {
3527         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3528         if( !mb_keep )
3529         {
3530             delete m_el[mi_level];
3531         }
3532         mb_keep = VLC_FALSE;
3533     }
3534
3535     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy != 0, 1 );
3536 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3537     if( i_ulev > 0 )
3538     {
3539         while( i_ulev > 0 )
3540         {
3541             if( mi_level == 1 )
3542             {
3543                 mi_level = 0;
3544                 return NULL;
3545             }
3546
3547             delete m_el[mi_level - 1];
3548             m_got = m_el[mi_level -1] = m_el[mi_level];
3549             m_el[mi_level] = NULL;
3550
3551             mi_level--;
3552             i_ulev--;
3553         }
3554         return NULL;
3555     }
3556     else if( m_el[mi_level] == NULL )
3557     {
3558         fprintf( stderr," m_el[mi_level] == NULL\n" );
3559     }
3560
3561     return m_el[mi_level];
3562 }
3563
3564
3565 /*****************************************************************************
3566  * Tools
3567  *  * LoadCues : load the cues element and update index
3568  *
3569  *  * LoadTags : load ... the tags element
3570  *
3571  *  * InformationCreate : create all information, load tags if present
3572  *
3573  *****************************************************************************/
3574 void matroska_segment_c::LoadCues( )
3575 {
3576     int64_t     i_sav_position = es.I_O().getFilePointer();
3577     EbmlParser  *ep;
3578     EbmlElement *el, *cues;
3579
3580     /* *** Load the cue if found *** */
3581     if( i_cues_position < 0 )
3582     {
3583         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3584
3585 //        IndexAppendCluster( cluster );
3586     }
3587
3588     vlc_bool_t b_seekable;
3589
3590     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3591     if( !b_seekable )
3592         return;
3593
3594     msg_Dbg( &sys.demuxer, "loading cues" );
3595     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3596     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3597
3598     if( cues == NULL )
3599     {
3600         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3601         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3602         return;
3603     }
3604
3605     ep = new EbmlParser( &es, cues, &sys.demuxer );
3606     while( ( el = ep->Get() ) != NULL )
3607     {
3608         if( MKV_IS_ID( el, KaxCuePoint ) )
3609         {
3610 #define idx p_indexes[i_index]
3611
3612             idx.i_track       = -1;
3613             idx.i_block_number= -1;
3614             idx.i_position    = -1;
3615             idx.i_time        = 0;
3616             idx.b_key         = VLC_TRUE;
3617
3618             ep->Down();
3619             while( ( el = ep->Get() ) != NULL )
3620             {
3621                 if( MKV_IS_ID( el, KaxCueTime ) )
3622                 {
3623                     KaxCueTime &ctime = *(KaxCueTime*)el;
3624
3625                     ctime.ReadData( es.I_O() );
3626
3627                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3628                 }
3629                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3630                 {
3631                     ep->Down();
3632                     while( ( el = ep->Get() ) != NULL )
3633                     {
3634                         if( MKV_IS_ID( el, KaxCueTrack ) )
3635                         {
3636                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3637
3638                             ctrack.ReadData( es.I_O() );
3639                             idx.i_track = uint16( ctrack );
3640                         }
3641                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3642                         {
3643                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3644
3645                             ccpos.ReadData( es.I_O() );
3646                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3647                         }
3648                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3649                         {
3650                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3651
3652                             cbnum.ReadData( es.I_O() );
3653                             idx.i_block_number = uint32( cbnum );
3654                         }
3655                         else
3656                         {
3657                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3658                         }
3659                     }
3660                     ep->Up();
3661                 }
3662                 else
3663                 {
3664                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3665                 }
3666             }
3667             ep->Up();
3668
3669 #if 0
3670             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3671                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3672                      idx.i_track, idx.i_block_number );
3673 #endif
3674
3675             i_index++;
3676             if( i_index >= i_index_max )
3677             {
3678                 i_index_max += 1024;
3679                 p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
3680             }
3681 #undef idx
3682         }
3683         else
3684         {
3685             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3686         }
3687     }
3688     delete ep;
3689     delete cues;
3690
3691     b_cues = VLC_TRUE;
3692
3693     msg_Dbg( &sys.demuxer, "loading cues done." );
3694     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3695 }
3696
3697 void matroska_segment_c::LoadTags( )
3698 {
3699     int64_t     i_sav_position = es.I_O().getFilePointer();
3700     EbmlParser  *ep;
3701     EbmlElement *el, *tags;
3702
3703     msg_Dbg( &sys.demuxer, "loading tags" );
3704     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3705     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3706
3707     if( tags == NULL )
3708     {
3709         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3710         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3711         return;
3712     }
3713
3714     msg_Dbg( &sys.demuxer, "Tags" );
3715     ep = new EbmlParser( &es, tags, &sys.demuxer );
3716     while( ( el = ep->Get() ) != NULL )
3717     {
3718         if( MKV_IS_ID( el, KaxTag ) )
3719         {
3720             msg_Dbg( &sys.demuxer, "+ Tag" );
3721             ep->Down();
3722             while( ( el = ep->Get() ) != NULL )
3723             {
3724                 if( MKV_IS_ID( el, KaxTagTargets ) )
3725                 {
3726                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3727                     ep->Down();
3728                     while( ( el = ep->Get() ) != NULL )
3729                     {
3730                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3731                     }
3732                     ep->Up();
3733                 }
3734                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3735                 {
3736                     msg_Dbg( &sys.demuxer, "|   + General" );
3737                     ep->Down();
3738                     while( ( el = ep->Get() ) != NULL )
3739                     {
3740                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3741                     }
3742                     ep->Up();
3743                 }
3744                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3745                 {
3746                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3747                     ep->Down();
3748                     while( ( el = ep->Get() ) != NULL )
3749                     {
3750                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3751                     }
3752                     ep->Up();
3753                 }
3754                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3755                 {
3756                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3757                     ep->Down();
3758                     while( ( el = ep->Get() ) != NULL )
3759                     {
3760                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3761                     }
3762                     ep->Up();
3763                 }
3764                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3765                 {
3766                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3767                     ep->Down();
3768                     while( ( el = ep->Get() ) != NULL )
3769                     {
3770                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3771                     }
3772                     ep->Up();
3773                 }
3774                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3775                 {
3776                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3777                 }
3778                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3779                 {
3780                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3781                 }
3782                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3783                 {
3784                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3785                 }
3786                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3787                 {
3788                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3789                 }
3790                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3791                 {
3792                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3793                 }
3794                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3795                 {
3796                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3797                 }
3798                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3799                 {
3800                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3801                 }
3802                 else
3803                 {
3804                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3805                 }
3806             }
3807             ep->Up();
3808         }
3809         else
3810         {
3811             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3812         }
3813     }
3814     delete ep;
3815     delete tags;
3816
3817     msg_Dbg( &sys.demuxer, "loading tags done." );
3818     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3819 }
3820
3821 /*****************************************************************************
3822  * ParseSeekHead:
3823  *****************************************************************************/
3824 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3825 {
3826     EbmlElement *el;
3827     size_t i, j;
3828     int i_upper_level = 0;
3829
3830     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3831
3832     /* Master elements */
3833     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3834
3835     for( i = 0; i < seekhead->ListSize(); i++ )
3836     {
3837         EbmlElement *l = (*seekhead)[i];
3838
3839         if( MKV_IS_ID( l, KaxSeek ) )
3840         {
3841             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3842             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3843             int64_t i_pos = -1;
3844
3845             for( j = 0; j < sk->ListSize(); j++ )
3846             {
3847                 EbmlElement *l = (*sk)[j];
3848
3849                 if( MKV_IS_ID( l, KaxSeekID ) )
3850                 {
3851                     KaxSeekID &sid = *(KaxSeekID*)l;
3852                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3853                 }
3854                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3855                 {
3856                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3857                     i_pos = uint64( spos );
3858                 }
3859                 else
3860                 {
3861                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3862                 }
3863             }
3864
3865             if( i_pos >= 0 )
3866             {
3867                 if( id == KaxCues::ClassInfos.GlobalId )
3868                 {
3869                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3870                     i_cues_position = segment->GetGlobalPosition( i_pos );
3871                 }
3872                 else if( id == KaxChapters::ClassInfos.GlobalId )
3873                 {
3874                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3875                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3876                 }
3877                 else if( id == KaxTags::ClassInfos.GlobalId )
3878                 {
3879                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3880                     i_tags_position = segment->GetGlobalPosition( i_pos );
3881                 }
3882             }
3883         }
3884         else
3885         {
3886             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3887         }
3888     }
3889 }
3890
3891 /*****************************************************************************
3892  * ParseTrackEntry:
3893  *****************************************************************************/
3894 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3895 {
3896     size_t i, j, k, n;
3897
3898     mkv_track_t *tk;
3899
3900     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3901
3902     tk = new mkv_track_t();
3903     tracks.push_back( tk );
3904
3905     /* Init the track */
3906     memset( tk, 0, sizeof( mkv_track_t ) );
3907
3908     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3909     tk->fmt.psz_language = strdup("English");
3910     tk->fmt.psz_description = NULL;
3911
3912     tk->b_default = VLC_TRUE;
3913     tk->b_enabled = VLC_TRUE;
3914     tk->b_silent = VLC_FALSE;
3915     tk->i_number = tracks.size() - 1;
3916     tk->i_extra_data = 0;
3917     tk->p_extra_data = NULL;
3918     tk->psz_codec = NULL;
3919     tk->i_default_duration = 0;
3920     tk->f_timecodescale = 1.0;
3921
3922     tk->b_inited = VLC_FALSE;
3923     tk->i_data_init = 0;
3924     tk->p_data_init = NULL;
3925
3926     tk->psz_codec_name = NULL;
3927     tk->psz_codec_settings = NULL;
3928     tk->psz_codec_info_url = NULL;
3929     tk->psz_codec_download_url = NULL;
3930     
3931     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3932
3933     for( i = 0; i < m->ListSize(); i++ )
3934     {
3935         EbmlElement *l = (*m)[i];
3936
3937         if( MKV_IS_ID( l, KaxTrackNumber ) )
3938         {
3939             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3940
3941             tk->i_number = uint32( tnum );
3942             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3943         }
3944         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3945         {
3946             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3947
3948             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3949         }
3950         else  if( MKV_IS_ID( l, KaxTrackType ) )
3951         {
3952             char *psz_type;
3953             KaxTrackType &ttype = *(KaxTrackType*)l;
3954
3955             switch( uint8(ttype) )
3956             {
3957                 case track_audio:
3958                     psz_type = "audio";
3959                     tk->fmt.i_cat = AUDIO_ES;
3960                     break;
3961                 case track_video:
3962                     psz_type = "video";
3963                     tk->fmt.i_cat = VIDEO_ES;
3964                     break;
3965                 case track_subtitle:
3966                     psz_type = "subtitle";
3967                     tk->fmt.i_cat = SPU_ES;
3968                     break;
3969                 case track_buttons:
3970                     psz_type = "buttons";
3971                     tk->fmt.i_cat = SPU_ES;
3972                     break;
3973                 default:
3974                     psz_type = "unknown";
3975                     tk->fmt.i_cat = UNKNOWN_ES;
3976                     break;
3977             }
3978
3979             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3980         }
3981 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3982 //        {
3983 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3984
3985 //            tk->b_enabled = uint32( fenb );
3986 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3987 //                     uint32( fenb )  );
3988 //        }
3989         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3990         {
3991             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3992
3993             tk->b_default = uint32( fdef );
3994             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3995         }
3996         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3997         {
3998             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3999
4000             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
4001         }
4002         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
4003         {
4004             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
4005
4006             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
4007         }
4008         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
4009         {
4010             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
4011
4012             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
4013         }
4014         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
4015         {
4016             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
4017
4018             tk->i_default_duration = uint64(defd);
4019             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
4020         }
4021         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
4022         {
4023             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
4024
4025             tk->f_timecodescale = float( ttcs );
4026             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
4027         }
4028         else if( MKV_IS_ID( l, KaxTrackName ) )
4029         {
4030             KaxTrackName &tname = *(KaxTrackName*)l;
4031
4032             tk->fmt.psz_description = ToUTF8( UTFstring( tname ) );
4033             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
4034         }
4035         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
4036         {
4037             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
4038
4039             if ( tk->fmt.psz_language != NULL )
4040                 free( tk->fmt.psz_language );
4041             tk->fmt.psz_language = strdup( string( lang ).c_str() );
4042             msg_Dbg( &sys.demuxer,
4043                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
4044         }
4045         else  if( MKV_IS_ID( l, KaxCodecID ) )
4046         {
4047             KaxCodecID &codecid = *(KaxCodecID*)l;
4048
4049             tk->psz_codec = strdup( string( codecid ).c_str() );
4050             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
4051         }
4052         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
4053         {
4054             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
4055
4056             tk->i_extra_data = cpriv.GetSize();
4057             if( tk->i_extra_data > 0 )
4058             {
4059                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
4060                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
4061             }
4062             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
4063         }
4064         else if( MKV_IS_ID( l, KaxCodecName ) )
4065         {
4066             KaxCodecName &cname = *(KaxCodecName*)l;
4067
4068             tk->psz_codec_name = ToUTF8( UTFstring( cname ) );
4069             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
4070         }
4071         else if( MKV_IS_ID( l, KaxContentEncodings ) )
4072         {
4073             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
4074             MkvTree( sys.demuxer, 3, "Content Encodings" );
4075             for( j = 0; j < cencs->ListSize(); j++ )
4076             {
4077                 EbmlElement *l2 = (*cencs)[j];
4078                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
4079                 {
4080                     MkvTree( sys.demuxer, 4, "Content Encoding" );
4081                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
4082                     for( k = 0; k < cenc->ListSize(); k++ )
4083                     {
4084                         EbmlElement *l3 = (*cenc)[k];
4085                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
4086                         {
4087                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
4088                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
4089                         }
4090                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
4091                         {
4092                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
4093                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
4094                         }
4095                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
4096                         {
4097                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
4098                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
4099                         }
4100                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
4101                         {
4102                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
4103                             MkvTree( sys.demuxer, 5, "Content Compression" );
4104                             for( n = 0; n < compr->ListSize(); n++ )
4105                             {
4106                                 EbmlElement *l4 = (*compr)[n];
4107                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
4108                                 {
4109                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
4110                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
4111                                     if( uint32( compalg ) == 0 )
4112                                     {
4113                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
4114                                     }
4115                                 }
4116                                 else
4117                                 {
4118                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
4119                                 }
4120                             }
4121                         }
4122
4123                         else
4124                         {
4125                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
4126                         }
4127                     }
4128                     
4129                 }
4130                 else
4131                 {
4132                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
4133                 }
4134             }
4135                 
4136         }
4137 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
4138 //        {
4139 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
4140
4141 //            tk->psz_codec_settings = ToUTF8( UTFstring( cset ) );
4142 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
4143 //        }
4144 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
4145 //        {
4146 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
4147
4148 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
4149 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
4150 //        }
4151 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
4152 //        {
4153 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
4154
4155 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
4156 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
4157 //        }
4158 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
4159 //        {
4160 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
4161
4162 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
4163 //        }
4164 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
4165 //        {
4166 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
4167
4168 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
4169 //        }
4170         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
4171         {
4172             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
4173             unsigned int j;
4174
4175             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
4176             tk->f_fps = 0.0;
4177
4178             tk->fmt.video.i_frame_rate_base = (unsigned int)(tk->i_default_duration / 1000);
4179             tk->fmt.video.i_frame_rate = 1000000;     
4180             
4181             for( j = 0; j < tkv->ListSize(); j++ )
4182             {
4183                 EbmlElement *l = (*tkv)[j];
4184 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
4185 //                {
4186 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
4187
4188 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
4189 //                }
4190 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
4191 //                {
4192 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
4193
4194 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
4195 //                }
4196 //                else
4197                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
4198                 {
4199                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
4200
4201                     tk->fmt.video.i_width = uint16( vwidth );
4202                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
4203                 }
4204                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
4205                 {
4206                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
4207
4208                     tk->fmt.video.i_height = uint16( vheight );
4209                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
4210                 }
4211                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
4212                 {
4213                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4214
4215                     tk->fmt.video.i_visible_width = uint16( vwidth );
4216                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4217                 }
4218                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4219                 {
4220                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4221
4222                     tk->fmt.video.i_visible_height = uint16( vheight );
4223                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4224                 }
4225                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4226                 {
4227                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4228
4229                     tk->f_fps = float( vfps );
4230                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4231                 }
4232 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4233 //                {
4234 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4235
4236 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4237 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4238 //                }
4239 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4240 //                {
4241 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4242
4243 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4244 //                }
4245 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4246 //                {
4247 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4248
4249 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4250 //                }
4251                 else
4252                 {
4253                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4254                 }
4255             }
4256             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4257                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4258         }
4259         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4260         {
4261             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4262             unsigned int j;
4263
4264             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4265
4266             for( j = 0; j < tka->ListSize(); j++ )
4267             {
4268                 EbmlElement *l = (*tka)[j];
4269
4270                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4271                 {
4272                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4273
4274                     tk->fmt.audio.i_rate = (int)float( afreq );
4275                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4276                 }
4277                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4278                 {
4279                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4280
4281                     tk->fmt.audio.i_channels = uint8( achan );
4282                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4283                 }
4284                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4285                 {
4286                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4287
4288                     tk->fmt.audio.i_bitspersample = uint8( abits );
4289                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4290                 }
4291                 else
4292                 {
4293                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4294                 }
4295             }
4296         }
4297         else
4298         {
4299             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4300                      typeid(*l).name() );
4301         }
4302     }
4303 }
4304
4305 /*****************************************************************************
4306  * ParseTracks:
4307  *****************************************************************************/
4308 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4309 {
4310     EbmlElement *el;
4311     unsigned int i;
4312     int i_upper_level = 0;
4313
4314     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4315
4316     /* Master elements */
4317     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4318
4319     for( i = 0; i < tracks->ListSize(); i++ )
4320     {
4321         EbmlElement *l = (*tracks)[i];
4322
4323         if( MKV_IS_ID( l, KaxTrackEntry ) )
4324         {
4325             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4326         }
4327         else
4328         {
4329             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4330         }
4331     }
4332 }
4333
4334 /*****************************************************************************
4335  * ParseInfo:
4336  *****************************************************************************/
4337 void matroska_segment_c::ParseInfo( KaxInfo *info )
4338 {
4339     EbmlElement *el;
4340     EbmlMaster  *m;
4341     size_t i, j;
4342     int i_upper_level = 0;
4343
4344     msg_Dbg( &sys.demuxer, "|   + Information" );
4345
4346     /* Master elements */
4347     m = static_cast<EbmlMaster *>(info);
4348     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4349
4350     for( i = 0; i < m->ListSize(); i++ )
4351     {
4352         EbmlElement *l = (*m)[i];
4353
4354         if( MKV_IS_ID( l, KaxSegmentUID ) )
4355         {
4356             if ( p_segment_uid == NULL )
4357                 p_segment_uid = new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l));
4358
4359             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)p_segment_uid->GetBuffer() );
4360         }
4361         else if( MKV_IS_ID( l, KaxPrevUID ) )
4362         {
4363             if ( p_prev_segment_uid == NULL )
4364                 p_prev_segment_uid = new KaxPrevUID(*static_cast<KaxPrevUID*>(l));
4365
4366             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)p_prev_segment_uid->GetBuffer() );
4367         }
4368         else if( MKV_IS_ID( l, KaxNextUID ) )
4369         {
4370             if ( p_next_segment_uid == NULL )
4371                 p_next_segment_uid = new KaxNextUID(*static_cast<KaxNextUID*>(l));
4372
4373             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)p_next_segment_uid->GetBuffer() );
4374         }
4375         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4376         {
4377             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4378
4379             i_timescale = uint64(tcs);
4380
4381             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4382                      i_timescale );
4383         }
4384         else if( MKV_IS_ID( l, KaxDuration ) )
4385         {
4386             KaxDuration &dur = *(KaxDuration*)l;
4387
4388             i_duration = mtime_t( double( dur ) );
4389
4390             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4391                      i_duration );
4392         }
4393         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4394         {
4395             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4396
4397             psz_muxing_application = ToUTF8( UTFstring( mapp ) );
4398
4399             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4400                      psz_muxing_application );
4401         }
4402         else if( MKV_IS_ID( l, KaxWritingApp ) )
4403         {
4404             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4405
4406             psz_writing_application = ToUTF8( UTFstring( wapp ) );
4407
4408             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4409                      psz_writing_application );
4410         }
4411         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4412         {
4413             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4414
4415             psz_segment_filename = ToUTF8( UTFstring( sfn ) );
4416
4417             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4418                      psz_segment_filename );
4419         }
4420         else if( MKV_IS_ID( l, KaxTitle ) )
4421         {
4422             KaxTitle &title = *(KaxTitle*)l;
4423
4424             psz_title = ToUTF8( UTFstring( title ) );
4425
4426             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4427         }
4428         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4429         {
4430             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4431
4432             families.push_back( new KaxSegmentFamily(*uid) );
4433
4434             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4435         }
4436 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4437         else if( MKV_IS_ID( l, KaxDateUTC ) )
4438         {
4439             KaxDateUTC &date = *(KaxDateUTC*)l;
4440             time_t i_date;
4441             struct tm tmres;
4442             char   buffer[256];
4443
4444             i_date = date.GetEpochDate();
4445             memset( buffer, 0, 256 );
4446             if( gmtime_r( &i_date, &tmres ) &&
4447                 asctime_r( &tmres, buffer ) )
4448             {
4449                 buffer[strlen( buffer)-1]= '\0';
4450                 psz_date_utc = strdup( buffer );
4451                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4452             }
4453         }
4454 #endif
4455 #if LIBMATROSKA_VERSION >= 0x000704
4456         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4457         {
4458             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4459             chapter_translation_c *p_translate = new chapter_translation_c();
4460
4461             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4462             for( j = 0; j < p_trans->ListSize(); j++ )
4463             {
4464                 EbmlElement *l = (*p_trans)[j];
4465
4466                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4467                 {
4468                     p_translate->editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4469                 }
4470                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4471                 {
4472                     p_translate->codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4473                 }
4474                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4475                 {
4476                     p_translate->p_translated = new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) );
4477                 }
4478             }
4479
4480             translations.push_back( p_translate );
4481         }
4482 #endif
4483         else
4484         {
4485             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4486         }
4487     }
4488
4489     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4490     i_duration = mtime_t(f_dur);
4491 }
4492
4493
4494 /*****************************************************************************
4495  * ParseChapterAtom
4496  *****************************************************************************/
4497 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4498 {
4499     size_t i, j;
4500
4501     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4502     for( i = 0; i < ca->ListSize(); i++ )
4503     {
4504         EbmlElement *l = (*ca)[i];
4505
4506         if( MKV_IS_ID( l, KaxChapterUID ) )
4507         {
4508             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4509             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4510         }
4511         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4512         {
4513             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4514             chapters.b_display_seekpoint = uint8( flag ) == 0;
4515
4516             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4517         }
4518         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4519         {
4520             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4521             chapters.i_start_time = uint64( start ) / I64C(1000);
4522
4523             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4524         }
4525         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4526         {
4527             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4528             chapters.i_end_time = uint64( end ) / I64C(1000);
4529
4530             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4531         }
4532         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4533         {
4534             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4535
4536             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4537             for( j = 0; j < cd->ListSize(); j++ )
4538             {
4539                 EbmlElement *l= (*cd)[j];
4540
4541                 if( MKV_IS_ID( l, KaxChapterString ) )
4542                 {
4543                     int k;
4544
4545                     KaxChapterString &name =*(KaxChapterString*)l;
4546                     for (k = 0; k < i_level; k++)
4547                         chapters.psz_name += '+';
4548                     chapters.psz_name += ' ';
4549                     char *psz_tmp_utf8 = ToUTF8( UTFstring( name ) );
4550                     chapters.psz_name += psz_tmp_utf8;
4551                     chapters.b_user_display = true;
4552
4553                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", psz_tmp_utf8 );
4554                     free( psz_tmp_utf8 );
4555                 }
4556                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4557                 {
4558                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4559                     const char *psz = string( lang ).c_str();
4560
4561                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4562                 }
4563                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4564                 {
4565                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4566                     const char *psz = string( ct ).c_str();
4567
4568                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4569                 }
4570             }
4571         }
4572         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4573         {
4574             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4575
4576             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4577             chapter_codec_cmds_c *p_ccodec = NULL;
4578
4579             for( j = 0; j < cp->ListSize(); j++ )
4580             {
4581                 EbmlElement *k= (*cp)[j];
4582
4583                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4584                 {
4585                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4586                     if ( uint32(*p_codec_id) == 0 )
4587                         p_ccodec = new matroska_script_codec_c( sys );
4588                     else if ( uint32(*p_codec_id) == 1 )
4589                         p_ccodec = new dvd_chapter_codec_c( sys );
4590                     break;
4591                 }
4592             }
4593
4594             if ( p_ccodec != NULL )
4595             {
4596                 for( j = 0; j < cp->ListSize(); j++ )
4597                 {
4598                     EbmlElement *k= (*cp)[j];
4599
4600                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4601                     {
4602                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4603                         p_ccodec->SetPrivate( *p_private );
4604                     }
4605                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4606                     {
4607                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4608                     }
4609                 }
4610                 chapters.codecs.push_back( p_ccodec );
4611             }
4612         }
4613         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4614         {
4615             chapter_item_c *new_sub_chapter = new chapter_item_c();
4616             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4617             new_sub_chapter->psz_parent = &chapters;
4618             chapters.sub_chapters.push_back( new_sub_chapter );
4619         }
4620     }
4621 }
4622
4623 /*****************************************************************************
4624  * ParseChapters:
4625  *****************************************************************************/
4626 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4627 {
4628     EbmlElement *el;
4629     size_t i;
4630     int i_upper_level = 0;
4631     mtime_t i_dur;
4632
4633     /* Master elements */
4634     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4635
4636     for( i = 0; i < chapters->ListSize(); i++ )
4637     {
4638         EbmlElement *l = (*chapters)[i];
4639
4640         if( MKV_IS_ID( l, KaxEditionEntry ) )
4641         {
4642             chapter_edition_c *p_edition = new chapter_edition_c();
4643             
4644             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4645             size_t j;
4646             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4647             for( j = 0; j < E->ListSize(); j++ )
4648             {
4649                 EbmlElement *l = (*E)[j];
4650
4651                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4652                 {
4653                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4654                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4655                     p_edition->sub_chapters.push_back( new_sub_chapter );
4656                 }
4657                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4658                 {
4659                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4660                 }
4661                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4662                 {
4663                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4664                 }
4665                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4666                 {
4667                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4668                         i_default_edition = stored_editions.size();
4669                 }
4670                 else
4671                 {
4672                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4673                 }
4674             }
4675             stored_editions.push_back( p_edition );
4676         }
4677         else
4678         {
4679             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4680         }
4681     }
4682
4683     for( i = 0; i < stored_editions.size(); i++ )
4684     {
4685         stored_editions[i]->RefreshChapters( );
4686     }
4687     
4688     if ( stored_editions.size() != 0 && stored_editions[i_default_edition]->b_ordered )
4689     {
4690         /* update the duration of the segment according to the sum of all sub chapters */
4691         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4692         if (i_dur > 0)
4693             i_duration = i_dur;
4694     }
4695 }
4696
4697 void matroska_segment_c::ParseCluster( )
4698 {
4699     EbmlElement *el;
4700     EbmlMaster  *m;
4701     unsigned int i;
4702     int i_upper_level = 0;
4703
4704     /* Master elements */
4705     m = static_cast<EbmlMaster *>( cluster );
4706     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4707
4708     for( i = 0; i < m->ListSize(); i++ )
4709     {
4710         EbmlElement *l = (*m)[i];
4711
4712         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4713         {
4714             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4715
4716             cluster->InitTimecode( uint64( ctc ), i_timescale );
4717             break;
4718         }
4719     }
4720
4721     i_start_time = cluster->GlobalTimecode() / 1000;
4722 }
4723
4724 /*****************************************************************************
4725  * InformationCreate:
4726  *****************************************************************************/
4727 void matroska_segment_c::InformationCreate( )
4728 {
4729     size_t      i_track;
4730
4731     sys.meta = vlc_meta_New();
4732
4733     if( psz_title )
4734     {
4735         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4736     }
4737     if( psz_date_utc )
4738     {
4739         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4740     }
4741     if( psz_segment_filename )
4742     {
4743         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4744     }
4745     if( psz_muxing_application )
4746     {
4747         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4748     }
4749     if( psz_writing_application )
4750     {
4751         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4752     }
4753
4754     for( i_track = 0; i_track < tracks.size(); i_track++ )
4755     {
4756         mkv_track_t *tk = tracks[i_track];
4757         vlc_meta_t *mtk = vlc_meta_New();
4758
4759         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4760                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4761         sys.meta->track[sys.meta->i_track++] = mtk;
4762
4763         if( tk->fmt.psz_description )
4764         {
4765             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4766         }
4767         if( tk->psz_codec_name )
4768         {
4769             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4770         }
4771         if( tk->psz_codec_settings )
4772         {
4773             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4774         }
4775         if( tk->psz_codec_info_url )
4776         {
4777             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4778         }
4779         if( tk->psz_codec_download_url )
4780         {
4781             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4782         }
4783     }
4784
4785     if( i_tags_position >= 0 )
4786     {
4787         vlc_bool_t b_seekable;
4788
4789         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4790         if( b_seekable )
4791         {
4792             LoadTags( );
4793         }
4794     }
4795 }
4796
4797
4798 /*****************************************************************************
4799  * Divers
4800  *****************************************************************************/
4801
4802 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4803 {
4804 #define idx p_indexes[i_index]
4805     idx.i_track       = -1;
4806     idx.i_block_number= -1;
4807     idx.i_position    = cluster->GetElementPosition();
4808     idx.i_time        = -1;
4809     idx.b_key         = VLC_TRUE;
4810
4811     i_index++;
4812     if( i_index >= i_index_max )
4813     {
4814         i_index_max += 1024;
4815         p_indexes = (mkv_index_t*)realloc( p_indexes, sizeof( mkv_index_t ) * i_index_max );
4816     }
4817 #undef idx
4818 }
4819
4820 void chapter_edition_c::RefreshChapters( )
4821 {
4822     chapter_item_c::RefreshChapters( b_ordered, -1 );
4823     b_display_seekpoint = false;
4824 }
4825
4826 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4827 {
4828     int64_t i_user_time = i_prev_user_time;
4829     
4830     // first the sub-chapters, and then ourself
4831     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4832     while ( index != sub_chapters.end() )
4833     {
4834         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4835         index++;
4836     }
4837
4838     if ( b_ordered )
4839     {
4840         // the ordered chapters always start at zero
4841         if ( i_prev_user_time == -1 )
4842         {
4843             if ( i_user_time == -1 )
4844                 i_user_time = 0;
4845             i_prev_user_time = 0;
4846         }
4847
4848         i_user_start_time = i_prev_user_time;
4849         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4850         {
4851             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4852         }
4853         else
4854         {
4855             i_user_end_time = i_user_time;
4856         }
4857     }
4858     else
4859     {
4860         if ( sub_chapters.begin() != sub_chapters.end() )
4861             std::sort( sub_chapters.begin(), sub_chapters.end(), chapter_item_c::CompareTimecode );
4862         i_user_start_time = i_start_time;
4863         if ( i_end_time != -1 )
4864             i_user_end_time = i_end_time;
4865         else if ( i_user_time != -1 )
4866             i_user_end_time = i_user_time;
4867         else
4868             i_user_end_time = i_user_start_time;
4869     }
4870
4871     return i_user_end_time;
4872 }
4873
4874 mtime_t chapter_edition_c::Duration() const
4875 {
4876     mtime_t i_result = 0;
4877     
4878     if ( sub_chapters.size() )
4879     {
4880         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4881         index--;
4882         i_result = (*index)->i_user_end_time;
4883     }
4884     
4885     return i_result;
4886 }
4887
4888 chapter_item_c * chapter_edition_c::FindTimecode( mtime_t i_timecode, const chapter_item_c * p_current )
4889 {
4890     if ( !b_ordered )
4891         p_current = NULL;
4892     bool b_found_current = false;
4893     return chapter_item_c::FindTimecode( i_timecode, p_current, b_found_current );
4894 }
4895
4896 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode, const chapter_item_c * p_current, bool & b_found )
4897 {
4898     chapter_item_c *psz_result = NULL;
4899
4900     if ( p_current == this )
4901         b_found = true;
4902
4903     if ( i_user_timecode >= i_user_start_time && 
4904         ( i_user_timecode < i_user_end_time || 
4905           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4906     {
4907         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4908         while ( index != sub_chapters.end() && ((p_current == NULL && psz_result == NULL) || (p_current != NULL && (!b_found || psz_result == NULL))))
4909         {
4910             psz_result = (*index)->FindTimecode( i_user_timecode, p_current, b_found );
4911             index++;
4912         }
4913         
4914         if ( psz_result == NULL )
4915             psz_result = this;
4916     }
4917
4918     return psz_result;
4919 }
4920
4921 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4922 {
4923     if ( &item == this )
4924         return true;
4925
4926     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4927     while ( index != sub_chapters.end() )
4928     {
4929         if ( (*index)->ParentOf( item ) )
4930             return true;
4931         index++;
4932     }
4933
4934     return false;
4935 }
4936
4937 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4938 {
4939     for (size_t i=0; i<opened_segments.size(); i++)
4940     {
4941         opened_segments[i]->PreloadFamily( of_segment );
4942     }
4943 }
4944 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4945 {
4946     if ( b_preloaded )
4947         return false;
4948
4949     for (size_t i=0; i<families.size(); i++)
4950     {
4951         for (size_t j=0; j<of_segment.families.size(); j++)
4952         {
4953             if ( *(families[i]) == *(of_segment.families[j]) )
4954                 return Preload( );
4955         }
4956     }
4957
4958     return false;
4959 }
4960
4961 // preload all the linked segments for all preloaded segments
4962 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4963 {
4964     size_t i_preloaded, i, j;
4965     virtual_segment_c *p_seg;
4966
4967     p_current_segment = VirtualFromSegments( p_segment );
4968     
4969     used_segments.push_back( p_current_segment );
4970
4971     // create all the other virtual segments of the family
4972     do {
4973         i_preloaded = 0;
4974         for ( i=0; i< opened_segments.size(); i++ )
4975         {
4976             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4977             {
4978                 p_seg = VirtualFromSegments( opened_segments[i] );
4979                 used_segments.push_back( p_seg );
4980                 i_preloaded++;
4981             }
4982         }
4983     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4984
4985     // publish all editions of all usable segment
4986     for ( i=0; i< used_segments.size(); i++ )
4987     {
4988         p_seg = used_segments[i];
4989         if ( p_seg->p_editions != NULL )
4990         {
4991             std::string sz_name;
4992             input_title_t *p_title = vlc_input_title_New();
4993             p_seg->i_sys_title = i;
4994             int i_chapters;
4995
4996             // TODO use a name for each edition, let the TITLE deal with a codec name
4997             for ( j=0; j<p_seg->p_editions->size(); j++ )
4998             {
4999                 if ( p_title->psz_name == NULL )
5000                 {
5001                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
5002                     if ( sz_name != "" )
5003                         p_title->psz_name = strdup( sz_name.c_str() );
5004                 }
5005
5006                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
5007
5008                 i_chapters = 0;
5009                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
5010             }
5011
5012             // create a name if there is none
5013             if ( p_title->psz_name == NULL )
5014             {
5015                 sz_name = N_("Segment ");
5016                 char psz_str[6];
5017                 sprintf( psz_str, "%d", (int)i );
5018                 sz_name += psz_str;
5019                 p_title->psz_name = strdup( sz_name.c_str() );
5020             }
5021
5022             titles.push_back( p_title );
5023         }
5024     }
5025
5026     // TODO decide which segment should be first used (VMG for DVD)
5027 }
5028
5029 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
5030 {
5031     for ( size_t i=0; i< used_segments.size(); i++ )
5032     {
5033         if ( used_segments[i]->FindUID( *segment.p_segment_uid ) )
5034             return true;
5035     }
5036     return false;
5037 }
5038
5039 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
5040 {
5041     size_t i_preloaded, i;
5042
5043     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
5044
5045     // fill our current virtual segment with all hard linked segments
5046     do {
5047         i_preloaded = 0;
5048         for ( i=0; i< opened_segments.size(); i++ )
5049         {
5050             i_preloaded += p_result->AddSegment( opened_segments[i] );
5051         }
5052     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
5053
5054     p_result->Sort( );
5055
5056     p_result->PreloadLinked( );
5057
5058     p_result->PrepareChapters( );
5059
5060     return p_result;
5061 }
5062
5063 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
5064 {
5065     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
5066     {
5067         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
5068             p_current_segment->Segment()->UnSelect();
5069
5070         p_current_segment = p_new_segment;
5071         i_current_title = p_new_segment->i_sys_title;
5072     }
5073
5074     p_current_segment->LoadCues();
5075     f_duration = p_current_segment->Duration();
5076
5077     /* add information */
5078     p_current_segment->Segment()->InformationCreate( );
5079
5080     p_current_segment->Segment()->Select( 0 );
5081
5082     return true;
5083 }
5084
5085 void demux_sys_t::JumpTo( virtual_segment_c & vsegment, chapter_item_c * p_chapter )
5086 {
5087     // if the segment is not part of the current segment, select the new one
5088     if ( &vsegment != p_current_segment )
5089     {
5090         PreparePlayback( &vsegment );
5091     }
5092
5093     if ( p_chapter != NULL )
5094     {
5095         if ( !p_chapter->Enter( true ) )
5096         {
5097             // jump to the location in the found segment
5098             vsegment.Seek( demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5099         }
5100     }
5101     
5102 }
5103
5104 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
5105 {
5106     if ( p_item_a == NULL || p_item_b == NULL )
5107         return false;
5108
5109     EbmlBinary * p_itema = (EbmlBinary *)(p_item_a->p_segment_uid);
5110     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5111         return true;
5112
5113     p_itema = (EbmlBinary *)(&p_item_a->p_next_segment_uid);
5114     if ( p_item_b->p_segment_uid != NULL && *p_itema == *p_item_b->p_segment_uid )
5115         return true;
5116
5117     if ( p_item_b->p_prev_segment_uid != NULL && *p_itema == *p_item_b->p_prev_segment_uid )
5118         return true;
5119
5120     return false;
5121 }
5122
5123 bool matroska_segment_c::Preload( )
5124 {
5125     if ( b_preloaded )
5126         return false;
5127
5128     EbmlElement *el = NULL;
5129
5130     ep->Reset( &sys.demuxer );
5131
5132     while( ( el = ep->Get() ) != NULL )
5133     {
5134         if( MKV_IS_ID( el, KaxInfo ) )
5135         {
5136             ParseInfo( static_cast<KaxInfo*>( el ) );
5137         }
5138         else if( MKV_IS_ID( el, KaxTracks ) )
5139         {
5140             ParseTracks( static_cast<KaxTracks*>( el ) );
5141         }
5142         else if( MKV_IS_ID( el, KaxSeekHead ) )
5143         {
5144             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
5145         }
5146         else if( MKV_IS_ID( el, KaxCues ) )
5147         {
5148             msg_Dbg( &sys.demuxer, "|   + Cues" );
5149         }
5150         else if( MKV_IS_ID( el, KaxCluster ) )
5151         {
5152             msg_Dbg( &sys.demuxer, "|   + Cluster" );
5153
5154             cluster = (KaxCluster*)el;
5155
5156             i_cluster_pos = i_start_pos = cluster->GetElementPosition();
5157             ParseCluster( );
5158
5159             ep->Down();
5160             /* stop parsing the stream */
5161             break;
5162         }
5163         else if( MKV_IS_ID( el, KaxAttachments ) )
5164         {
5165             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
5166         }
5167         else if( MKV_IS_ID( el, KaxChapters ) )
5168         {
5169             msg_Dbg( &sys.demuxer, "|   + Chapters" );
5170             ParseChapters( static_cast<KaxChapters*>( el ) );
5171         }
5172         else if( MKV_IS_ID( el, KaxTag ) )
5173         {
5174             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
5175         }
5176         else
5177         {
5178             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
5179         }
5180     }
5181
5182     b_preloaded = true;
5183
5184     return true;
5185 }
5186
5187 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
5188 {
5189     for (size_t i=0; i<opened_segments.size(); i++)
5190     {
5191         if ( *opened_segments[i]->p_segment_uid == uid )
5192             return opened_segments[i];
5193     }
5194     return NULL;
5195 }
5196
5197 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id, 
5198                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
5199                                         const void *p_cookie, 
5200                                         size_t i_cookie_size, 
5201                                         virtual_segment_c * &p_segment_found )
5202 {
5203     chapter_item_c *p_result = NULL;
5204     for (size_t i=0; i<used_segments.size(); i++)
5205     {
5206         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
5207         if ( p_result != NULL )
5208         {
5209             p_segment_found = used_segments[i];
5210             break;
5211         }
5212     }
5213     return p_result;
5214 }
5215
5216 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
5217 {
5218     chapter_item_c *p_result = NULL;
5219     for (size_t i=0; i<used_segments.size(); i++)
5220     {
5221         p_result = used_segments[i]->FindChapter( i_find_uid );
5222         if ( p_result != NULL )
5223         {
5224             p_segment_found = used_segments[i];
5225             break;
5226         }
5227     }
5228     return p_result;
5229 }
5230
5231 void virtual_segment_c::Sort()
5232 {
5233     // keep the current segment index
5234     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5235
5236     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5237
5238     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5239         if ( linked_segments[i_current_segment] == p_segment )
5240             break;
5241 }
5242
5243 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5244 {
5245     size_t i;
5246     // check if it's not already in here
5247     for ( i=0; i<linked_segments.size(); i++ )
5248     {
5249         if ( linked_segments[i]->p_segment_uid != NULL 
5250             && p_segment->p_segment_uid != NULL
5251             && *p_segment->p_segment_uid == *linked_segments[i]->p_segment_uid )
5252             return 0;
5253     }
5254
5255     // find possible mates
5256     for ( i=0; i<linked_uids.size(); i++ )
5257     {
5258         if (   (p_segment->p_segment_uid != NULL && *p_segment->p_segment_uid == linked_uids[i])
5259             || (p_segment->p_prev_segment_uid != NULL && *p_segment->p_prev_segment_uid == linked_uids[i])
5260             || (p_segment->p_next_segment_uid !=NULL && *p_segment->p_next_segment_uid == linked_uids[i]) )
5261         {
5262             linked_segments.push_back( p_segment );
5263
5264             AppendUID( p_segment->p_prev_segment_uid );
5265             AppendUID( p_segment->p_next_segment_uid );
5266
5267             return 1;
5268         }
5269     }
5270     return 0;
5271 }
5272
5273 void virtual_segment_c::PreloadLinked( )
5274 {
5275     for ( size_t i=0; i<linked_segments.size(); i++ )
5276     {
5277         linked_segments[i]->Preload( );
5278     }
5279     i_current_edition = linked_segments[0]->i_default_edition;
5280 }
5281
5282 mtime_t virtual_segment_c::Duration() const
5283 {
5284     mtime_t i_duration;
5285     if ( linked_segments.size() == 0 )
5286         i_duration = 0;
5287     else {
5288         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5289 //        p_last_segment->ParseCluster( );
5290
5291         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5292     }
5293     return i_duration;
5294 }
5295
5296 void virtual_segment_c::LoadCues( )
5297 {
5298     for ( size_t i=0; i<linked_segments.size(); i++ )
5299     {
5300         linked_segments[i]->LoadCues();
5301     }
5302 }
5303
5304 void virtual_segment_c::AppendUID( const EbmlBinary * p_UID )
5305 {
5306     if ( p_UID == NULL )
5307         return;
5308     if ( p_UID->GetBuffer() == NULL )
5309         return;
5310
5311     for (size_t i=0; i<linked_uids.size(); i++)
5312     {
5313         if ( *p_UID == linked_uids[i] )
5314             return;
5315     }
5316     linked_uids.push_back( *(KaxSegmentUID*)(p_UID) );
5317 }
5318
5319 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5320 {
5321     KaxBlock    *block;
5322     int         i_track_skipping;
5323     int64_t     i_block_duration;
5324     int64_t     i_block_ref1;
5325     int64_t     i_block_ref2;
5326     size_t      i_track;
5327     int64_t     i_seek_position = i_start_pos;
5328     int64_t     i_seek_time = i_start_time;
5329
5330     if ( i_index > 0 )
5331     {
5332         int i_idx = 0;
5333
5334         for( ; i_idx < i_index; i_idx++ )
5335         {
5336             if( p_indexes[i_idx].i_time + i_time_offset > i_date )
5337             {
5338                 break;
5339             }
5340         }
5341
5342         if( i_idx > 0 )
5343         {
5344             i_idx--;
5345         }
5346
5347         i_seek_position = p_indexes[i_idx].i_position;
5348         i_seek_time = p_indexes[i_idx].i_time;
5349     }
5350
5351     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5352                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5353
5354     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5355
5356     delete ep;
5357     ep = new EbmlParser( &es, segment, &sys.demuxer );
5358     cluster = NULL;
5359
5360     sys.i_start_pts = i_date;
5361
5362     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5363
5364     /* now parse until key frame */
5365     i_track_skipping = 0;
5366     for( i_track = 0; i_track < tracks.size(); i_track++ )
5367     {
5368         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5369         {
5370             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5371             i_track_skipping++;
5372         }
5373         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5374     }
5375
5376
5377     while( i_track_skipping > 0 )
5378     {
5379         if( BlockGet( block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5380         {
5381             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5382
5383             return;
5384         }
5385         ep->Down();
5386
5387         for( i_track = 0; i_track < tracks.size(); i_track++ )
5388         {
5389             if( tracks[i_track]->i_number == block->TrackNum() )
5390             {
5391                 break;
5392             }
5393         }
5394
5395         sys.i_pts = (sys.i_chapter_time + block->GlobalTimecode()) / (mtime_t) 1000;
5396
5397         if( i_track < tracks.size() )
5398         {
5399            if( sys.i_pts >= sys.i_start_pts )
5400             {
5401                 cluster = static_cast<KaxCluster*>(ep->UnGet( i_block_pos, i_cluster_pos ));
5402                 i_track_skipping = 0;
5403             }
5404             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5405             {
5406                 if( i_block_ref1 == 0 && tracks[i_track]->b_search_keyframe )
5407                 {
5408                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5409                     i_track_skipping--;
5410                 }
5411                 if( !tracks[i_track]->b_search_keyframe )
5412                 {
5413                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0, i_block_ref1 >= 0 || i_block_ref2 > 0 );
5414                 }
5415             } 
5416         }
5417
5418         delete block;
5419     }
5420 }
5421
5422 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5423 {
5424     demux_sys_t *p_sys = demuxer.p_sys;
5425     size_t i;
5426
5427     // find the actual time for an ordered edition
5428     if ( psz_chapter == NULL )
5429     {
5430         if ( Edition() && Edition()->b_ordered )
5431         {
5432             /* 1st, we need to know in which chapter we are */
5433             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date, psz_current_chapter );
5434         }
5435     }
5436
5437     if ( psz_chapter != NULL )
5438     {
5439         psz_current_chapter = psz_chapter;
5440         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5441         if ( psz_chapter->i_seekpoint_num > 0 )
5442         {
5443             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5444             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5445             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5446         }
5447     }
5448
5449     // find the best matching segment
5450     for ( i=0; i<linked_segments.size(); i++ )
5451     {
5452         if ( i_date < linked_segments[i]->i_start_time )
5453             break;
5454     }
5455
5456     if ( i > 0 )
5457         i--;
5458
5459     if ( i_current_segment != i  )
5460     {
5461         linked_segments[i_current_segment]->UnSelect();
5462         linked_segments[i]->Select( i_date );
5463         i_current_segment = i;
5464     }
5465
5466     linked_segments[i]->Seek( i_date, i_time_offset );
5467 }
5468
5469 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5470 {
5471     size_t i;
5472
5473     uint32 codec_time = uint32(-1);
5474     for( i = 0; i < command.ListSize(); i++ )
5475     {
5476         const EbmlElement *k = command[i];
5477
5478         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5479         {
5480             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5481             break;
5482         }
5483     }
5484
5485     for( i = 0; i < command.ListSize(); i++ )
5486     {
5487         const EbmlElement *k = command[i];
5488
5489         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5490         {
5491             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5492             switch ( codec_time )
5493             {
5494             case 0:
5495                 during_cmds.push_back( p_data );
5496                 break;
5497             case 1:
5498                 enter_cmds.push_back( p_data );
5499                 break;
5500             case 2:
5501                 leave_cmds.push_back( p_data );
5502                 break;
5503             default:
5504                 delete p_data;
5505             }
5506         }
5507     }
5508 }
5509
5510 bool chapter_item_c::Enter( bool b_do_subs )
5511 {
5512     bool f_result = false;
5513     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5514     while ( index != codecs.end() )
5515     {
5516         f_result |= (*index)->Enter();
5517         index++;
5518     }
5519
5520     if ( b_do_subs )
5521     {
5522         // sub chapters
5523         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5524         while ( index_ != sub_chapters.end() )
5525         {
5526             f_result |= (*index_)->Enter( true );
5527             index_++;
5528         }
5529     }
5530     return f_result;
5531 }
5532
5533 bool chapter_item_c::Leave( bool b_do_subs )
5534 {
5535     bool f_result = false;
5536     b_is_leaving = true;
5537     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5538     while ( index != codecs.end() )
5539     {
5540         f_result |= (*index)->Leave();
5541         index++;
5542     }
5543
5544     if ( b_do_subs )
5545     {
5546         // sub chapters
5547         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5548         while ( index_ != sub_chapters.end() )
5549         {
5550             f_result |= (*index_)->Leave( true );
5551             index_++;
5552         }
5553     }
5554     b_is_leaving = false;
5555     return f_result;
5556 }
5557
5558 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item, bool b_final_enter )
5559 {
5560     chapter_item_c *p_common_parent = p_item;
5561
5562     // leave, up to a common parent
5563     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5564     {
5565         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5566             return true;
5567         p_common_parent = p_common_parent->psz_parent;
5568     }
5569
5570     // enter from the parent to <this>
5571     if ( p_common_parent != NULL )
5572     {
5573         do
5574         {
5575             if ( p_common_parent == this )
5576                 return Enter( true );
5577
5578             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5579             {
5580                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5581                 {
5582                     p_common_parent = p_common_parent->sub_chapters[i];
5583                     if ( p_common_parent != this )
5584                         if ( p_common_parent->Enter( false ) )
5585                             return true;
5586
5587                     break;
5588                 }
5589             }
5590         } while ( 1 );
5591     }
5592
5593     if ( b_final_enter )
5594         return Enter( true );
5595     else
5596         return false;
5597 }
5598
5599 bool dvd_chapter_codec_c::Enter()
5600 {
5601     bool f_result = false;
5602     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
5603     while ( index != enter_cmds.end() )
5604     {
5605         if ( (*index)->GetSize() )
5606         {
5607             binary *p_data = (*index)->GetBuffer();
5608             size_t i_size = *p_data++;
5609             // avoid reading too much from the buffer
5610             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5611             for ( ; i_size > 0; i_size--, p_data += 8 )
5612             {
5613                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5614                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5615             }
5616         }
5617         index++;
5618     }
5619     return f_result;
5620 }
5621
5622 bool dvd_chapter_codec_c::Leave()
5623 {
5624     bool f_result = false;
5625     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
5626     while ( index != leave_cmds.end() )
5627     {
5628         if ( (*index)->GetSize() )
5629         {
5630             binary *p_data = (*index)->GetBuffer();
5631             size_t i_size = *p_data++;
5632             // avoid reading too much from the buffer
5633             i_size = min( i_size, ((*index)->GetSize() - 1) >> 3 );
5634             for ( ; i_size > 0; i_size--, p_data += 8 )
5635             {
5636                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5637                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5638             }
5639         }
5640         index++;
5641     }
5642     return f_result;
5643 }
5644
5645 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5646 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5647 {
5648     if ( i_size != 8 )
5649         return false;
5650
5651     virtual_segment_c *p_segment = NULL;
5652     chapter_item_c *p_chapter = NULL;
5653     bool f_result = false;
5654     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5655
5656     // handle register tests if there are some
5657     if ( (i_command & 0xF0) != 0 )
5658     {
5659         bool b_test_positive = true;//(i_command & CMD_DVD_IF_NOT) == 0;
5660         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5661         uint8 i_test = i_command & 0x70;
5662         uint16 i_value;
5663
5664         // see http://dvd.sourceforge.net/dvdinfo/vmi.html
5665         uint8  i_cr1;
5666         uint16 i_cr2;
5667         switch ( i_command >> 12 )
5668         {
5669         default:
5670             i_cr1 = p_command[3];
5671             i_cr2 = (p_command[4] << 8) + p_command[5];
5672             break;
5673         case 3:
5674         case 4:
5675         case 5:
5676             i_cr1 = p_command[6];
5677             i_cr2 = p_command[7];
5678             b_test_value = false;
5679             break;
5680         case 6:
5681         case 7:
5682             if ( ((p_command[1] >> 4) & 0x7) == 0)
5683             {
5684                 i_cr1 = p_command[2];
5685                 i_cr2 = (p_command[6] << 8) + p_command[7];
5686             }
5687             else
5688             {
5689                 i_cr1 = p_command[2];
5690                 i_cr2 = (p_command[6] << 8) + p_command[7];
5691             }
5692             break;
5693         }
5694
5695         if ( b_test_value )
5696             i_value = i_cr2;
5697         else
5698             i_value = GetPRM( i_cr2 );
5699
5700         switch ( i_test )
5701         {
5702         case CMD_DVD_IF_GPREG_EQUAL:
5703             // if equals
5704             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5705             if (!( GetPRM( i_cr1 ) == i_value ))
5706             {
5707                 b_test_positive = false;
5708             }
5709             break;
5710         case CMD_DVD_IF_GPREG_NOT_EQUAL:
5711             // if not equals
5712             msg_Dbg( &sys.demuxer, "IF %s NOT EQUALS %s", GetRegTypeName( false, i_cr1 ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5713             if (!( GetPRM( i_cr1 ) != i_value ))
5714             {
5715                 b_test_positive = false;
5716             }
5717             break;
5718         case CMD_DVD_IF_GPREG_INF:
5719             // if inferior
5720             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5721             if (!( GetPRM( i_cr1 ) < i_value ))
5722             {
5723                 b_test_positive = false;
5724             }
5725             break;
5726         case CMD_DVD_IF_GPREG_INF_EQUAL:
5727             // if inferior or equal
5728             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5729             if (!( GetPRM( i_cr1 ) <= i_value ))
5730             {
5731                 b_test_positive = false;
5732             }
5733             break;
5734         case CMD_DVD_IF_GPREG_AND:
5735             // if logical and
5736             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5737             if (!( GetPRM( i_cr1 ) & i_value ))
5738             {
5739                 b_test_positive = false;
5740             }
5741             break;
5742         case CMD_DVD_IF_GPREG_SUP:
5743             // if superior
5744             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5745             if (!( GetPRM( i_cr1 ) > i_value ))
5746             {
5747                 b_test_positive = false;
5748             }
5749             break;
5750         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5751             // if superior or equal
5752             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5753             if (!( GetPRM( i_cr1 ) >= i_value ))
5754             {
5755                 b_test_positive = false;
5756             }
5757             break;
5758         }
5759
5760         if ( !b_test_positive )
5761             return false;
5762     }
5763     
5764     // strip the test command
5765     i_command &= 0xFF0F;
5766     
5767     switch ( i_command )
5768     {
5769     case CMD_DVD_NOP:
5770     case CMD_DVD_NOP2:
5771         {
5772             msg_Dbg( &sys.demuxer, "NOP" );
5773             break;
5774         }
5775     case CMD_DVD_BREAK:
5776         {
5777             msg_Dbg( &sys.demuxer, "Break" );
5778             // TODO
5779             break;
5780         }
5781     case CMD_DVD_JUMP_TT:
5782         {
5783             uint8 i_title = p_command[5];
5784             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5785
5786             // find in the ChapProcessPrivate matching this Title level
5787             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5788             if ( p_segment != NULL )
5789             {
5790                 sys.JumpTo( *p_segment, p_chapter );
5791                 f_result = true;
5792             }
5793
5794             break;
5795         }
5796     case CMD_DVD_CALLSS_VTSM1:
5797         {
5798             msg_Dbg( &sys.demuxer, "CallSS" );
5799             binary p_type;
5800             switch( (p_command[6] & 0xC0) >> 6 ) {
5801                 case 0:
5802                     p_type = p_command[5] & 0x0F;
5803                     switch ( p_type )
5804                     {
5805                     case 0x00:
5806                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[4]);
5807                         break;
5808                     case 0x02:
5809                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[4]);
5810                         break;
5811                     case 0x03:
5812                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[4]);
5813                         break;
5814                     case 0x04:
5815                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[4]);
5816                         break;
5817                     case 0x05:
5818                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[4]);
5819                         break;
5820                     case 0x06:
5821                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[4]);
5822                         break;
5823                     case 0x07:
5824                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[4]);
5825                         break;
5826                     default:
5827                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[4]);
5828                         break;
5829                     }
5830                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1, p_segment );
5831                     if ( p_segment != NULL )
5832                     {
5833                         sys.JumpTo( *p_segment, p_chapter );
5834                         f_result = true;
5835                     }
5836                 break;
5837                 case 1:
5838                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5839                 break;
5840                 case 2:
5841                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[5] & 0x0F, p_command[4]);
5842                 break;
5843                 case 3:
5844                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[2] << 8) + p_command[3], p_command[4]);
5845                 break;
5846             }
5847             break;
5848         }
5849     case CMD_DVD_JUMP_SS:
5850         {
5851             msg_Dbg( &sys.demuxer, "JumpSS");
5852             binary p_type;
5853             switch( (p_command[5] & 0xC0) >> 6 ) {
5854                 case 0:
5855                     msg_Dbg( &sys.demuxer, "JumpSS FP");
5856                 break;
5857                 case 1:
5858                     p_type = p_command[5] & 0x0F;
5859                     switch ( p_type )
5860                     {
5861                     case 0x02:
5862                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Title Entry");
5863                         break;
5864                     case 0x03:
5865                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Root Menu");
5866                         break;
5867                     case 0x04:
5868                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Subpicture Menu");
5869                         break;
5870                     case 0x05:
5871                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Audio Menu");
5872                         break;
5873                     case 0x06:
5874                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Angle Menu");
5875                         break;
5876                     case 0x07:
5877                         msg_Dbg( &sys.demuxer, "JumpSS VMGM Chapter Menu");
5878                         break;
5879                     default:
5880                         msg_Dbg( &sys.demuxer, "JumpSS <unknown>");
5881                         break;
5882                     }
5883                     // find the VMG
5884                     p_chapter = sys.BrowseCodecPrivate( 1, MatchIsVMG, NULL, 0, p_segment );
5885                     if ( p_segment != NULL )
5886                     {
5887                         p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5888                         if ( p_chapter != NULL )
5889                         {
5890                             sys.JumpTo( *p_segment, p_chapter );
5891                             f_result = true;
5892                         }
5893                     }
5894                 break;
5895                 case 2:
5896                     p_type = p_command[5] & 0x0F;
5897                     switch ( p_type )
5898                     {
5899                     case 0x02:
5900                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Title Entry", p_command[4], p_command[3]);
5901                         break;
5902                     case 0x03:
5903                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Root Menu", p_command[4], p_command[3]);
5904                         break;
5905                     case 0x04:
5906                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Subpicture Menu", p_command[4], p_command[3]);
5907                         break;
5908                     case 0x05:
5909                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Audio Menu", p_command[4], p_command[3]);
5910                         break;
5911                     case 0x06:
5912                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Angle Menu", p_command[4], p_command[3]);
5913                         break;
5914                     case 0x07:
5915                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) Chapter Menu", p_command[4], p_command[3]);
5916                         break;
5917                     default:
5918                         msg_Dbg( &sys.demuxer, "JumpSS VTSM (vts %d, ttn %d) <unknown>", p_command[4], p_command[3]);
5919                         break;
5920                     }
5921
5922                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSMNumber, &p_command[4], 1, p_segment );
5923
5924                     if ( p_segment != NULL && p_chapter != NULL )
5925                     {
5926                         // find the title in the VTS
5927                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &p_command[3], 1 );
5928                         if ( p_chapter != NULL )
5929                         {
5930                             // find the specified menu in the VTSM
5931                             p_chapter = p_segment->BrowseCodecPrivate( 1, MatchPgcType, &p_type, 1 );
5932                             if ( p_chapter != NULL )
5933                             {
5934                                 sys.JumpTo( *p_segment, p_chapter );
5935                                 f_result = true;
5936                             }
5937                         }
5938                         else
5939                             msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", p_command[3] );
5940                     }
5941                     else
5942                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", p_command[4] );
5943                 break;
5944                 case 3:
5945                     msg_Dbg( &sys.demuxer, "JumpSS VMGM (pgc %d)", (p_command[2] << 8) + p_command[3]);
5946                 break;
5947             }
5948             break;
5949         }
5950     case CMD_DVD_JUMPVTS_PTT:
5951         {
5952             uint8 i_title = p_command[5];
5953             uint8 i_ptt = p_command[3];
5954
5955             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5956
5957             // find the current VTS content segment
5958             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5959             if ( p_chapter != NULL )
5960             {
5961                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5962                 if ( i_curr_title > 0 )
5963                 {
5964                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5965
5966                     if ( p_segment != NULL && p_chapter != NULL )
5967                     {
5968                         // find the title in the VTS
5969                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5970                         if ( p_chapter != NULL )
5971                         {
5972                             // find the chapter in the title
5973                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5974                             if ( p_chapter != NULL )
5975                             {
5976                                 sys.JumpTo( *p_segment, p_chapter );
5977                                 f_result = true;
5978                             }
5979                         }
5980                     else
5981                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5982                     }
5983                     else
5984                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5985                 }
5986                 else
5987                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5988             }
5989             else
5990                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5991             break;
5992         }
5993     case CMD_DVD_SET_GPRMMD:
5994         {
5995             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5996             
5997             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5998                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5999             break;
6000         }
6001     case CMD_DVD_LINKPGCN:
6002         {
6003             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
6004             
6005             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
6006             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
6007             if ( p_chapter != NULL )
6008             {
6009                 if ( !p_chapter->Enter( true ) )
6010                     // jump to the location in the found segment
6011                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6012
6013                 f_result = true;
6014             }
6015             break;
6016         }
6017     case CMD_DVD_LINKCN:
6018         {
6019             uint8 i_cn = p_command[7];
6020             
6021             p_chapter = sys.p_current_segment->CurrentChapter();
6022
6023             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
6024             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
6025             if ( p_chapter != NULL )
6026             {
6027                 if ( !p_chapter->Enter( true ) )
6028                     // jump to the location in the found segment
6029                     sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6030
6031                 f_result = true;
6032             }
6033             break;
6034         }
6035     case CMD_DVD_GOTO_LINE:
6036         {
6037             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
6038             // TODO
6039             break;
6040         }
6041     case CMD_DVD_SET_HL_BTNN1:
6042         {
6043             msg_Dbg( &sys.demuxer, "SetHL_BTN (%d)", p_command[4] );
6044             SetSPRM( 0x88, p_command[4] );
6045             break;
6046         }
6047     default:
6048         {
6049             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
6050                      ,p_command[0]
6051                      ,p_command[1]
6052                      ,p_command[2]
6053                      ,p_command[3]
6054                      ,p_command[4]
6055                      ,p_command[5]
6056                      ,p_command[6]
6057                      ,p_command[7]);
6058             break;
6059         }
6060     }
6061
6062     return f_result;
6063 }
6064
6065 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6066 {
6067     return ( data.p_private_data != NULL && data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
6068 }
6069
6070 bool dvd_command_interpretor_c::MatchIsVMG( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6071 {
6072     if ( data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6073         return false;
6074
6075     return ( data.p_private_data->GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS && data.p_private_data->GetBuffer()[1] == 0xC0);
6076 }
6077
6078 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6079 {
6080     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6081         return false;
6082     
6083     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x80 )
6084         return false;
6085
6086     uint16 i_gtitle = (data.p_private_data->GetBuffer()[2] << 8 ) + data.p_private_data->GetBuffer()[3];
6087     uint16 i_title = *(uint16*)p_cookie;
6088
6089     return (i_gtitle == i_title);
6090 }
6091
6092 bool dvd_command_interpretor_c::MatchVTSMNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6093 {
6094     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6095         return false;
6096     
6097     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.p_private_data->GetBuffer()[1] != 0x40 )
6098         return false;
6099
6100     uint8 i_gtitle = data.p_private_data->GetBuffer()[3];
6101     uint8 i_title = *(uint8*)p_cookie;
6102
6103     return (i_gtitle == i_title);
6104 }
6105
6106 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6107 {
6108     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 4 )
6109         return false;
6110     
6111     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
6112         return false;
6113
6114     uint16 i_gtitle = (data.p_private_data->GetBuffer()[1] << 8 ) + data.p_private_data->GetBuffer()[2];
6115     uint8 i_title = *(uint8*)p_cookie;
6116
6117     return (i_gtitle == i_title);
6118 }
6119
6120 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6121 {
6122     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6123         return false;
6124     
6125     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6126         return false;
6127
6128     uint8 i_pgc_type = data.p_private_data->GetBuffer()[3] & 0x0F;
6129     uint8 i_pgc = *(uint8*)p_cookie;
6130
6131     return (i_pgc_type == i_pgc);
6132 }
6133
6134 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6135 {
6136     if ( i_cookie_size != 2 || data.p_private_data == NULL || data.p_private_data->GetSize() < 8 )
6137         return false;
6138     
6139     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
6140         return false;
6141
6142     uint16 *i_pgc_n = (uint16 *)p_cookie;
6143     uint16 i_pgc_num = (data.p_private_data->GetBuffer()[1] << 8) + data.p_private_data->GetBuffer()[2];
6144
6145     return (i_pgc_num == *i_pgc_n);
6146 }
6147
6148 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6149 {
6150     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 2 )
6151         return false;
6152     
6153     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
6154         return false;
6155
6156     uint8 i_chapter = data.p_private_data->GetBuffer()[1];
6157     uint8 i_ptt = *(uint8*)p_cookie;
6158
6159     return (i_chapter == i_ptt);
6160 }
6161
6162 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
6163 {
6164     if ( i_cookie_size != 1 || data.p_private_data == NULL || data.p_private_data->GetSize() < 5 )
6165         return false;
6166     
6167     if ( data.p_private_data->GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
6168         return false;
6169
6170     uint8 *i_cell_n = (uint8 *)p_cookie;
6171     uint8 i_cell_num = data.p_private_data->GetBuffer()[3];
6172
6173     return (i_cell_num == *i_cell_n);
6174 }
6175
6176 bool matroska_script_codec_c::Enter()
6177 {
6178     bool f_result = false;
6179     std::vector<KaxChapterProcessData*>::iterator index = enter_cmds.begin();
6180     while ( index != enter_cmds.end() )
6181     {
6182         if ( (*index)->GetSize() )
6183         {
6184             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
6185             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6186         }
6187         index++;
6188     }
6189     return f_result;
6190 }
6191
6192 bool matroska_script_codec_c::Leave()
6193 {
6194     bool f_result = false;
6195     std::vector<KaxChapterProcessData*>::iterator index = leave_cmds.begin();
6196     while ( index != leave_cmds.end() )
6197     {
6198         if ( (*index)->GetSize() )
6199         {
6200             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
6201             f_result |= interpretor.Interpret( (*index)->GetBuffer(), (*index)->GetSize() );
6202         }
6203         index++;
6204     }
6205     return f_result;
6206 }
6207
6208 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript 
6209 //  for a description of existing commands
6210 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
6211 {
6212     bool b_result = false;
6213
6214     char *psz_str = (char*) malloc( i_size + 1 );
6215     memcpy( psz_str, p_command, i_size );
6216     psz_str[ i_size ] = '\0';
6217
6218     std::string sz_command = psz_str;
6219     free( psz_str );
6220
6221     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
6222
6223 #if defined(__GNUC__) && (__GNUC__ < 3)
6224     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
6225 #else
6226     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
6227 #endif
6228     {
6229         size_t i,j;
6230
6231         // find the (
6232         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
6233         {
6234             if ( sz_command[i] == '(' )
6235             {
6236                 i++;
6237                 break;
6238             }
6239         }
6240         // find the )
6241         for ( j=i; j<sz_command.size(); j++)
6242         {
6243             if ( sz_command[j] == ')' )
6244             {
6245                 i--;
6246                 break;
6247             }
6248         }
6249
6250         std::string st = sz_command.substr( i+1, j-i-1 );
6251         int64_t i_chapter_uid = atoi( st.c_str() );
6252
6253         virtual_segment_c *p_segment;
6254         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
6255
6256         if ( p_chapter == NULL )
6257             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
6258         else
6259         {
6260             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
6261                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
6262             b_result = true;
6263         }
6264     }
6265
6266     return b_result;
6267 }
6268
6269 void demux_sys_t::SwapButtons()
6270 {
6271 #ifndef WORDS_BIGENDIAN
6272     uint8_t button, i, j;
6273
6274     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
6275         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
6276         binary *p_data = (binary*) button_ptr;
6277
6278         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
6279         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
6280         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
6281         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
6282         button_ptr->x_start = i_x_start;
6283         button_ptr->x_end   = i_x_end;
6284         button_ptr->y_start = i_y_start;
6285         button_ptr->y_end   = i_y_end;
6286
6287     }
6288     for ( i = 0; i<3; i++ )
6289     {
6290         for ( j = 0; j<2; j++ )
6291         {
6292             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
6293         }
6294     }
6295 #endif
6296 }