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mkv.cpp: fix the interpretation of JumVTS_PTT (and now all 3 buttons work)
[vlc] / modules / demux / mkv.cpp
1 /*****************************************************************************
2  * mkv.cpp : matroska demuxer
3  *****************************************************************************
4  * Copyright (C) 2003-2004 VideoLAN
5  * $Id$
6  *
7  * Authors: Laurent Aimar <fenrir@via.ecp.fr>
8  *          Steve Lhomme <steve.lhomme@free.fr>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
23  *****************************************************************************/
24
25 /*****************************************************************************
26  * Preamble
27  *****************************************************************************/
28 #include <stdlib.h>                                      /* malloc(), free() */
29
30 #include <vlc/vlc.h>
31
32 #ifdef HAVE_TIME_H
33 #   include <time.h>                                               /* time() */
34 #endif
35
36 #include <vlc/input.h>
37
38 #include <codecs.h>                        /* BITMAPINFOHEADER, WAVEFORMATEX */
39 #include "iso_lang.h"
40 #include "vlc_meta.h"
41
42 #include <iostream>
43 #include <cassert>
44 #include <typeinfo>
45 #include <string>
46 #include <vector>
47 #include <algorithm>
48
49 #ifdef HAVE_DIRENT_H
50 #   include <dirent.h>
51 #endif
52
53 /* libebml and matroska */
54 #include "ebml/EbmlHead.h"
55 #include "ebml/EbmlSubHead.h"
56 #include "ebml/EbmlStream.h"
57 #include "ebml/EbmlContexts.h"
58 #include "ebml/EbmlVoid.h"
59 #include "ebml/EbmlVersion.h"
60 #include "ebml/StdIOCallback.h"
61
62 #include "matroska/KaxAttachments.h"
63 #include "matroska/KaxBlock.h"
64 #include "matroska/KaxBlockData.h"
65 #include "matroska/KaxChapters.h"
66 #include "matroska/KaxCluster.h"
67 #include "matroska/KaxClusterData.h"
68 #include "matroska/KaxContexts.h"
69 #include "matroska/KaxCues.h"
70 #include "matroska/KaxCuesData.h"
71 #include "matroska/KaxInfo.h"
72 #include "matroska/KaxInfoData.h"
73 #include "matroska/KaxSeekHead.h"
74 #include "matroska/KaxSegment.h"
75 #include "matroska/KaxTag.h"
76 #include "matroska/KaxTags.h"
77 #include "matroska/KaxTagMulti.h"
78 #include "matroska/KaxTracks.h"
79 #include "matroska/KaxTrackAudio.h"
80 #include "matroska/KaxTrackVideo.h"
81 #include "matroska/KaxTrackEntryData.h"
82 #include "matroska/KaxContentEncoding.h"
83 #include "matroska/KaxVersion.h"
84
85 #include "ebml/StdIOCallback.h"
86
87 #include "vlc_keys.h"
88
89 extern "C" {
90    #include "mp4/libmp4.h"
91 }
92 #ifdef HAVE_ZLIB_H
93 #   include <zlib.h>
94 #endif
95
96 #define MATROSKA_COMPRESSION_NONE 0
97 #define MATROSKA_COMPRESSION_ZLIB 1
98
99 #define MKVD_TIMECODESCALE 1000000
100
101 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
102 #ifdef VSLHC1
103 #define DVDNAV_COMPILE
104 #include <dvdnav.h>
105 #else /* VSLHC */
106
107 #undef ATTRIBUTE_PACKED
108 #undef PRAGMA_PACK_BEGIN 
109 #undef PRAGMA_PACK_END
110
111 #if defined(__GNUC__)
112 #if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
113 #define ATTRIBUTE_PACKED __attribute__ ((packed))
114 #define PRAGMA_PACK 0
115 #endif
116 #endif
117
118 #if !defined(ATTRIBUTE_PACKED)
119 #define ATTRIBUTE_PACKED
120 #define PRAGMA_PACK 1
121 #endif
122
123 #if PRAGMA_PACK
124 #pragma pack(1)
125 #endif
126
127 /*************************************
128 *  taken from libdvdnav / libdvdread
129 **************************************/
130
131 /**
132  * DVD Time Information.
133  */
134 typedef struct {
135   uint8_t hour;
136   uint8_t minute;
137   uint8_t second;
138   uint8_t frame_u; /* The two high bits are the frame rate. */
139 } ATTRIBUTE_PACKED dvd_time_t;
140
141 /**
142  * User Operations.
143  */
144 typedef struct {
145 #ifdef WORDS_BIGENDIAN
146   unsigned char zero                           : 7; /* 25-31 */
147   unsigned char video_pres_mode_change         : 1; /* 24 */
148   
149   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
150   unsigned char angle_change                   : 1;
151   unsigned char subpic_stream_change           : 1;
152   unsigned char audio_stream_change            : 1;
153   unsigned char pause_on                       : 1;
154   unsigned char still_off                      : 1;
155   unsigned char button_select_or_activate      : 1;
156   unsigned char resume                         : 1; /* 16 */
157   
158   unsigned char chapter_menu_call              : 1; /* 15 */
159   unsigned char angle_menu_call                : 1;
160   unsigned char audio_menu_call                : 1;
161   unsigned char subpic_menu_call               : 1;
162   unsigned char root_menu_call                 : 1;
163   unsigned char title_menu_call                : 1;
164   unsigned char backward_scan                  : 1;
165   unsigned char forward_scan                   : 1; /* 8 */
166   
167   unsigned char next_pg_search                 : 1; /* 7 */
168   unsigned char prev_or_top_pg_search          : 1;
169   unsigned char time_or_chapter_search         : 1;
170   unsigned char go_up                          : 1;
171   unsigned char stop                           : 1;
172   unsigned char title_play                     : 1;
173   unsigned char chapter_search_or_play         : 1;
174   unsigned char title_or_time_play             : 1; /* 0 */
175 #else
176   unsigned char video_pres_mode_change         : 1; /* 24 */
177   unsigned char zero                           : 7; /* 25-31 */
178   
179   unsigned char resume                         : 1; /* 16 */
180   unsigned char button_select_or_activate      : 1;
181   unsigned char still_off                      : 1;
182   unsigned char pause_on                       : 1;
183   unsigned char audio_stream_change            : 1;
184   unsigned char subpic_stream_change           : 1;
185   unsigned char angle_change                   : 1;
186   unsigned char karaoke_audio_pres_mode_change : 1; /* 23 */
187   
188   unsigned char forward_scan                   : 1; /* 8 */
189   unsigned char backward_scan                  : 1;
190   unsigned char title_menu_call                : 1;
191   unsigned char root_menu_call                 : 1;
192   unsigned char subpic_menu_call               : 1;
193   unsigned char audio_menu_call                : 1;
194   unsigned char angle_menu_call                : 1;
195   unsigned char chapter_menu_call              : 1; /* 15 */
196   
197   unsigned char title_or_time_play             : 1; /* 0 */
198   unsigned char chapter_search_or_play         : 1;
199   unsigned char title_play                     : 1;
200   unsigned char stop                           : 1;
201   unsigned char go_up                          : 1;
202   unsigned char time_or_chapter_search         : 1;
203   unsigned char prev_or_top_pg_search          : 1;
204   unsigned char next_pg_search                 : 1; /* 7 */
205 #endif
206 } ATTRIBUTE_PACKED user_ops_t;
207
208 /**
209  * Type to store per-command data.
210  */
211 typedef struct {
212   uint8_t bytes[8];
213 } ATTRIBUTE_PACKED vm_cmd_t;
214 #define COMMAND_DATA_SIZE 8
215
216 /**
217  * PCI General Information 
218  */
219 typedef struct {
220   uint32_t nv_pck_lbn;      /**< sector address of this nav pack */
221   uint16_t vobu_cat;        /**< 'category' of vobu */
222   uint16_t zero1;           /**< reserved */
223   user_ops_t vobu_uop_ctl;  /**< UOP of vobu */
224   uint32_t vobu_s_ptm;      /**< start presentation time of vobu */
225   uint32_t vobu_e_ptm;      /**< end presentation time of vobu */
226   uint32_t vobu_se_e_ptm;   /**< end ptm of sequence end in vobu */
227   dvd_time_t e_eltm;        /**< Cell elapsed time */
228   char vobu_isrc[32];
229 } ATTRIBUTE_PACKED pci_gi_t;
230
231 /**
232  * Non Seamless Angle Information
233  */
234 typedef struct {
235   uint32_t nsml_agl_dsta[9];  /**< address of destination vobu in AGL_C#n */
236 } ATTRIBUTE_PACKED nsml_agli_t;
237
238 /** 
239  * Highlight General Information 
240  *
241  * For btngrX_dsp_ty the bits have the following meaning:
242  * 000b: normal 4/3 only buttons
243  * XX1b: wide (16/9) buttons
244  * X1Xb: letterbox buttons
245  * 1XXb: pan&scan buttons
246  */
247 typedef struct {
248   uint16_t hli_ss; /**< status, only low 2 bits 0: no buttons, 1: different 2: equal 3: eual except for button cmds */
249   uint32_t hli_s_ptm;              /**< start ptm of hli */
250   uint32_t hli_e_ptm;              /**< end ptm of hli */
251   uint32_t btn_se_e_ptm;           /**< end ptm of button select */
252 #ifdef WORDS_BIGENDIAN
253   unsigned char zero1 : 2;          /**< reserved */
254   unsigned char btngr_ns : 2;       /**< number of button groups 1, 2 or 3 with 36/18/12 buttons */
255   unsigned char zero2 : 1;          /**< reserved */
256   unsigned char btngr1_dsp_ty : 3;  /**< display type of subpic stream for button group 1 */
257   unsigned char zero3 : 1;          /**< reserved */
258   unsigned char btngr2_dsp_ty : 3;  /**< display type of subpic stream for button group 2 */
259   unsigned char zero4 : 1;          /**< reserved */
260   unsigned char btngr3_dsp_ty : 3;  /**< display type of subpic stream for button group 3 */
261 #else
262   unsigned char btngr1_dsp_ty : 3;
263   unsigned char zero2 : 1;
264   unsigned char btngr_ns : 2;
265   unsigned char zero1 : 2;
266   unsigned char btngr3_dsp_ty : 3;
267   unsigned char zero4 : 1;
268   unsigned char btngr2_dsp_ty : 3;
269   unsigned char zero3 : 1;
270 #endif
271   uint8_t btn_ofn;     /**< button offset number range 0-255 */
272   uint8_t btn_ns;      /**< number of valid buttons  <= 36/18/12 (low 6 bits) */  
273   uint8_t nsl_btn_ns;  /**< number of buttons selectable by U_BTNNi (low 6 bits)   nsl_btn_ns <= btn_ns */
274   uint8_t zero5;       /**< reserved */
275   uint8_t fosl_btnn;   /**< forcedly selected button  (low 6 bits) */
276   uint8_t foac_btnn;   /**< forcedly activated button (low 6 bits) */
277 } ATTRIBUTE_PACKED hl_gi_t;
278
279
280 /** 
281  * Button Color Information Table 
282  * Each entry beeing a 32bit word that contains the color indexs and alpha
283  * values to use.  They are all represented by 4 bit number and stored
284  * like this [Ci3, Ci2, Ci1, Ci0, A3, A2, A1, A0].   The actual palette
285  * that the indexes reference is in the PGC.
286  * @TODO split the uint32_t into a struct
287  */
288 typedef struct {
289   uint32_t btn_coli[3][2];  /**< [button color number-1][select:0/action:1] */
290 } ATTRIBUTE_PACKED btn_colit_t;
291
292 /** 
293  * Button Information
294  *
295  * NOTE: I've had to change the structure from the disk layout to get
296  * the packing to work with Sun's Forte C compiler.
297  * The 4 and 7 bytes are 'rotated' was: ABC DEF GHIJ  is: ABCG DEFH IJ
298  */
299 typedef struct {
300 #ifdef WORDS_BIGENDIAN
301   uint32        btn_coln         : 2;  /**< button color number */
302   uint32        x_start          : 10; /**< x start offset within the overlay */
303   uint32        zero1            : 2;  /**< reserved */
304   uint32        x_end            : 10; /**< x end offset within the overlay */
305
306   uint32        zero3            : 2;  /**< reserved */
307   uint32        up               : 6;  /**< button index when pressing up */
308
309   uint32        auto_action_mode : 2;  /**< 0: no, 1: activated if selected */
310   uint32        y_start          : 10; /**< y start offset within the overlay */
311   uint32        zero2            : 2;  /**< reserved */
312   uint32        y_end            : 10; /**< y end offset within the overlay */
313
314   uint32        zero4            : 2;  /**< reserved */
315   uint32        down             : 6;  /**< button index when pressing down */
316   unsigned char zero5            : 2;  /**< reserved */
317   unsigned char left             : 6;  /**< button index when pressing left */
318   unsigned char zero6            : 2;  /**< reserved */
319   unsigned char right            : 6;  /**< button index when pressing right */
320 #else
321   uint32        x_end            : 10;
322   uint32        zero1            : 2;
323   uint32        x_start          : 10;
324   uint32        btn_coln         : 2;
325
326   uint32        up               : 6;
327   uint32        zero3            : 2;
328
329   uint32        y_end            : 10;
330   uint32        zero2            : 2;
331   uint32        y_start          : 10;
332   uint32        auto_action_mode : 2;
333
334   uint32        down             : 6;
335   uint32        zero4            : 2;
336   unsigned char left             : 6;
337   unsigned char zero5            : 2;
338   unsigned char right            : 6;
339   unsigned char zero6            : 2;
340 #endif
341   vm_cmd_t cmd;
342 } ATTRIBUTE_PACKED btni_t;
343
344 /**
345  * Highlight Information 
346  */
347 typedef struct {
348   hl_gi_t     hl_gi;
349   btn_colit_t btn_colit;
350   btni_t      btnit[36];
351 } ATTRIBUTE_PACKED hli_t;
352
353 /**
354  * PCI packet
355  */
356 typedef struct {
357   pci_gi_t    pci_gi;
358   nsml_agli_t nsml_agli;
359   hli_t       hli;
360   uint8_t     zero1[189];
361 } ATTRIBUTE_PACKED pci_t;
362
363
364 #if PRAGMA_PACK
365 #pragma pack()
366 #endif
367
368 #endif /* VSLHC */
369 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////
370
371
372 /**
373  * What's between a directory and a filename?
374  */
375 #if defined( WIN32 )
376     #define DIRECTORY_SEPARATOR '\\'
377 #else
378     #define DIRECTORY_SEPARATOR '/'
379 #endif
380
381 using namespace LIBMATROSKA_NAMESPACE;
382 using namespace std;
383
384 /*****************************************************************************
385  * Module descriptor
386  *****************************************************************************/
387 static int  Open ( vlc_object_t * );
388 static void Close( vlc_object_t * );
389
390 vlc_module_begin();
391     set_shortname( _("Matroska") );
392     set_description( _("Matroska stream demuxer" ) );
393     set_capability( "demux2", 50 );
394     set_callbacks( Open, Close );
395     set_category( CAT_INPUT );
396     set_subcategory( SUBCAT_INPUT_DEMUX );
397
398     add_bool( "mkv-use-ordered-chapters", 1, NULL,
399             N_("Ordered chapters"),
400             N_("Play ordered chapters as specified in the segment"), VLC_TRUE );
401
402     add_bool( "mkv-use-chapter-codec", 1, NULL,
403             N_("Chapter codecs"),
404             N_("Use chapter codecs found in the segment"), VLC_TRUE );
405
406     add_bool( "mkv-seek-percent", 0, NULL,
407             N_("Seek based on percent not time"),
408             N_("Seek based on percent not time"), VLC_TRUE );
409
410     add_bool( "mkv-use-dummy", 0, NULL,
411             N_("Dummy Elements"),
412             N_("Read and discard unknown EBML elements (not good for broken files)"), VLC_TRUE );
413
414     add_shortcut( "mka" );
415     add_shortcut( "mkv" );
416 vlc_module_end();
417
418 /*****************************************************************************
419  * Local prototypes
420  *****************************************************************************/
421 #ifdef HAVE_ZLIB_H
422 block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
423     int result, dstsize, n;
424     unsigned char *dst;
425     block_t *p_block;
426     z_stream d_stream;
427
428     d_stream.zalloc = (alloc_func)0;
429     d_stream.zfree = (free_func)0;
430     d_stream.opaque = (voidpf)0;
431     result = inflateInit(&d_stream);
432     if( result != Z_OK )
433     {
434         msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
435         return NULL;
436     }
437
438     d_stream.next_in = (Bytef *)p_in_block->p_buffer;
439     d_stream.avail_in = p_in_block->i_buffer;
440     n = 0;
441     p_block = block_New( p_this, 0 );
442     dst = NULL;
443     do
444     {
445         n++;
446         p_block = block_Realloc( p_block, 0, n * 1000 );
447         dst = (unsigned char *)p_block->p_buffer;
448         d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
449         d_stream.avail_out = 1000;
450         result = inflate(&d_stream, Z_NO_FLUSH);
451         if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
452         {
453             msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
454             return NULL;
455         }
456     }
457     while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
458            ( result != Z_STREAM_END ) );
459
460     dstsize = d_stream.total_out;
461     inflateEnd( &d_stream );
462
463     p_block = block_Realloc( p_block, 0, dstsize );
464     p_block->i_buffer = dstsize;
465     block_Release( p_in_block );
466
467     return p_block;
468 }
469 #endif
470
471 /**
472  * Helper function to print the mkv parse tree
473  */
474 static void MkvTree( demux_t & demuxer, int i_level, char *psz_format, ... )
475 {
476     va_list args;
477     if( i_level > 9 )
478     {
479         msg_Err( &demuxer, "too deep tree" );
480         return;
481     }
482     va_start( args, psz_format );
483     static char *psz_foo = "|   |   |   |   |   |   |   |   |   |";
484     char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
485     strncpy( psz_foo2, psz_foo, 4 * i_level );
486     psz_foo2[ 4 * i_level ] = '+';
487     psz_foo2[ 4 * i_level + 1 ] = ' ';
488     strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
489     __msg_GenericVa( VLC_OBJECT(&demuxer), VLC_MSG_DBG, "mkv", psz_foo2, args );
490     free( psz_foo2 );
491     va_end( args );
492 }
493     
494 /*****************************************************************************
495  * Stream managment
496  *****************************************************************************/
497 class vlc_stream_io_callback: public IOCallback
498 {
499   private:
500     stream_t       *s;
501     vlc_bool_t     mb_eof;
502
503   public:
504     vlc_stream_io_callback( stream_t * );
505
506     virtual uint32   read            ( void *p_buffer, size_t i_size);
507     virtual void     setFilePointer  ( int64_t i_offset, seek_mode mode = seek_beginning );
508     virtual size_t   write           ( const void *p_buffer, size_t i_size);
509     virtual uint64   getFilePointer  ( void );
510     virtual void     close           ( void );
511 };
512
513 /*****************************************************************************
514  * Ebml Stream parser
515  *****************************************************************************/
516 class EbmlParser
517 {
518   public:
519     EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux );
520     virtual ~EbmlParser( void );
521
522     void Up( void );
523     void Down( void );
524     void Reset( demux_t *p_demux );
525     EbmlElement *Get( void );
526     void        Keep( void );
527
528     int GetLevel( void );
529
530   private:
531     EbmlStream  *m_es;
532     int         mi_level;
533     EbmlElement *m_el[10];
534     int64_t      mi_remain_size[10];
535
536     EbmlElement *m_got;
537
538     int         mi_user_level;
539     vlc_bool_t  mb_keep;
540     vlc_bool_t  mb_dummy;
541 };
542
543
544 /*****************************************************************************
545  * Some functions to manipulate memory
546  *****************************************************************************/
547 #define GetFOURCC( p )  __GetFOURCC( (uint8_t*)p )
548 static vlc_fourcc_t __GetFOURCC( uint8_t *p )
549 {
550     return VLC_FOURCC( p[0], p[1], p[2], p[3] );
551 }
552
553 /*****************************************************************************
554  * definitions of structures and functions used by this plugins
555  *****************************************************************************/
556 typedef struct
557 {
558     vlc_bool_t   b_default;
559     vlc_bool_t   b_enabled;
560     unsigned int i_number;
561
562     int          i_extra_data;
563     uint8_t      *p_extra_data;
564
565     char         *psz_codec;
566
567     uint64_t     i_default_duration;
568     float        f_timecodescale;
569
570     /* video */
571     es_format_t fmt;
572     float       f_fps;
573     es_out_id_t *p_es;
574
575     vlc_bool_t      b_inited;
576     /* data to be send first */
577     int             i_data_init;
578     uint8_t         *p_data_init;
579
580     /* hack : it's for seek */
581     vlc_bool_t      b_search_keyframe;
582     vlc_bool_t      b_silent;
583
584     /* informative */
585     char         *psz_codec_name;
586     char         *psz_codec_settings;
587     char         *psz_codec_info_url;
588     char         *psz_codec_download_url;
589     
590     /* encryption/compression */
591     int           i_compression_type;
592
593 } mkv_track_t;
594
595 typedef struct
596 {
597     int     i_track;
598     int     i_block_number;
599
600     int64_t i_position;
601     int64_t i_time;
602
603     vlc_bool_t b_key;
604 } mkv_index_t;
605
606 class demux_sys_t;
607
608 const binary MATROSKA_DVD_LEVEL_SS   = 0x30;
609 const binary MATROSKA_DVD_LEVEL_LU   = 0x2A;
610 const binary MATROSKA_DVD_LEVEL_TT   = 0x28;
611 const binary MATROSKA_DVD_LEVEL_PGC  = 0x20;
612 const binary MATROSKA_DVD_LEVEL_PG   = 0x18;
613 const binary MATROSKA_DVD_LEVEL_PTT  = 0x10;
614 const binary MATROSKA_DVD_LEVEL_CN   = 0x08;
615
616 class chapter_codec_cmds_c
617 {
618 public:
619     chapter_codec_cmds_c( demux_sys_t & demuxer, int codec_id = -1)
620     :i_codec_id( codec_id )
621     ,sys( demuxer )
622     {}
623         
624     virtual ~chapter_codec_cmds_c() {}
625
626     void SetPrivate( const KaxChapterProcessPrivate & private_data )
627     {
628         m_private_data = *( new KaxChapterProcessPrivate( private_data ) );
629     }
630
631     void AddCommand( const KaxChapterProcessCommand & command );
632     
633     /// \return wether the codec has seeked in the files or not
634     virtual bool Enter() { return false; }
635     virtual bool Leave() { return false; }
636     virtual std::string GetCodecName( bool f_for_title = false ) const { return ""; }
637     virtual int16 GetTitleNumber() { return -1; }
638
639     KaxChapterProcessPrivate m_private_data;
640
641 protected:
642     std::vector<KaxChapterProcessData> enter_cmds;
643     std::vector<KaxChapterProcessData> during_cmds;
644     std::vector<KaxChapterProcessData> leave_cmds;
645
646     int i_codec_id;
647     demux_sys_t & sys;
648 };
649
650 class dvd_command_interpretor_c
651 {
652 public:
653     dvd_command_interpretor_c( demux_sys_t & demuxer )
654     :sys( demuxer )
655     {
656         memset( p_PRMs, 0, sizeof(p_PRMs) );
657         p_PRMs[ 0x80 + 1 ] = 15;
658         p_PRMs[ 0x80 + 2 ] = 62;
659         p_PRMs[ 0x80 + 3 ] = 1;
660         p_PRMs[ 0x80 + 4 ] = 1;
661         p_PRMs[ 0x80 + 7 ] = 1;
662         p_PRMs[ 0x80 + 8 ] = 1;
663         p_PRMs[ 0x80 + 16 ] = 0xFFFFu;
664         p_PRMs[ 0x80 + 18 ] = 0xFFFFu;
665     }
666     
667     bool Interpret( const binary * p_command, size_t i_size = 8 );
668     
669     uint16 GetPRM( size_t index ) const
670     {
671         if ( index < 256 )
672             return p_PRMs[ index ];
673         else return 0;
674     }
675
676     uint16 GetGPRM( size_t index ) const
677     {
678         if ( index >= 0 && index < 16 )
679             return p_PRMs[ index ];
680         else return 0;
681     }
682
683     uint16 GetSPRM( size_t index ) const
684     {
685         // 21,22,23 reserved for future use
686         if ( index >= 0x80 && index < 0x95 )
687             return p_PRMs[ index ];
688         else return 0;
689     }
690
691     bool SetPRM( size_t index, uint16 value )
692     {
693         if ( index >= 0 && index < 16 )
694         {
695             p_PRMs[ index ] = value;
696             return true;
697         }
698         return false;
699     }
700     
701     bool SetGPRM( size_t index, uint16 value )
702     {
703         if ( index >= 0 && index < 16 )
704         {
705             p_PRMs[ index ] = value;
706             return true;
707         }
708         return false;
709     }
710
711     bool SetSPRM( size_t index, uint16 value )
712     {
713         if ( index > 0x80 && index <= 0x8D && index != 0x8C )
714         {
715             p_PRMs[ index ] = value;
716             return true;
717         }
718         return false;
719     }
720
721 protected:
722     std::string GetRegTypeName( bool b_value, uint16 value ) const
723     {
724         std::string result;
725         char s_value[6], s_reg_value[6];
726         sprintf( s_value, "%.5d", value );
727
728         if ( b_value )
729         {
730             result = "value (";
731             result += s_value;
732             result += ")";
733         }
734         else if ( value < 0x80 )
735         {
736             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
737             result = "GPreg[";
738             result += s_value;
739             result += "] (";
740             result += s_reg_value;
741             result += ")";
742         }
743         else
744         {
745             sprintf( s_reg_value, "%.5d", GetPRM( value ) );
746             result = "SPreg[";
747             result += s_value;
748             result += "] (";
749             result += s_reg_value;
750             result += ")";
751         }
752         return result;
753     }
754
755     uint16       p_PRMs[256];
756     demux_sys_t  & sys;
757     
758     // DVD command IDs
759
760     // Tests
761     // wether the test has to be positive or not
762     static const uint16 CMD_DVD_IF_NOT              = 0x10;
763     // wether it's a comparison on the value or register
764     static const uint16 CMD_DVD_TEST_VALUE          = 0x80;
765     static const uint16 CMD_DVD_IF_GPREG_AND        = (0 << 5);
766     static const uint16 CMD_DVD_IF_GPREG_EQUAL      = (1 << 5);
767     static const uint16 CMD_DVD_IF_GPREG_SUP_EQUAL  = (2 << 5);
768     static const uint16 CMD_DVD_IF_GPREG_INF        = (3 << 5);
769     
770     static const uint16 CMD_DVD_NOP                    = 0x0000;
771     static const uint16 CMD_DVD_GOTO_LINE              = 0x0001;
772     static const uint16 CMD_DVD_BREAK                  = 0x0002;
773     // Links
774     static const uint16 CMD_DVD_NOP2                   = 0x2001;
775     static const uint16 CMD_DVD_LINKPGCN               = 0x2004;
776     static const uint16 CMD_DVD_LINKPGN                = 0x2006;
777     static const uint16 CMD_DVD_LINKCN                 = 0x2007;
778     static const uint16 CMD_DVD_JUMP_TT                = 0x3002;
779     static const uint16 CMD_DVD_JUMPVTS_TT             = 0x3003;
780     static const uint16 CMD_DVD_JUMPVTS_PTT            = 0x3005;
781     static const uint16 CMD_DVD_JUMP_SS                = 0x3006;
782     static const uint16 CMD_DVD_CALLSS_VTSM1           = 0x3008;
783     //
784     static const uint16 CMD_DVD_SET_HL_BTNN2           = 0x4600;
785     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN1  = 0x4604;
786     static const uint16 CMD_DVD_SET_STREAM             = 0x5100;
787     static const uint16 CMD_DVD_SET_GPRMMD             = 0x5300;
788     static const uint16 CMD_DVD_SET_HL_BTNN1           = 0x5600;
789     static const uint16 CMD_DVD_SET_HL_BTNN_LINKPGCN2  = 0x5604;
790     static const uint16 CMD_DVD_SET_HL_BTNN_LINKCN     = 0x5607;
791     // Operations
792     static const uint16 CMD_DVD_MOV_SPREG_PREG         = 0x6100;
793     static const uint16 CMD_DVD_GPREG_MOV_VALUE        = 0x7100;
794     static const uint16 CMD_DVD_SUB_GPREG              = 0x7400;
795     static const uint16 CMD_DVD_MULT_GPREG             = 0x7500;
796     static const uint16 CMD_DVD_GPREG_DIV_VALUE        = 0x7600;
797     static const uint16 CMD_DVD_GPREG_AND_VALUE        = 0x7900;
798     
799     // callbacks when browsing inside CodecPrivate
800     static bool MatchIsDomain     ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
801     static bool MatchVTSNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
802     static bool MatchTitleNumber  ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
803     static bool MatchPgcType      ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
804     static bool MatchPgcNumber    ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
805     static bool MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
806     static bool MatchCellNumber   ( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size );
807 };
808
809 class dvd_chapter_codec_c : public chapter_codec_cmds_c
810 {
811 public:
812     dvd_chapter_codec_c( demux_sys_t & sys )
813     :chapter_codec_cmds_c( sys, 1 )
814     {}
815
816     bool Enter();
817     bool Leave();
818     std::string GetCodecName( bool f_for_title = false ) const;
819     int16 GetTitleNumber();
820 };
821
822 class matroska_script_interpretor_c
823 {
824 public:
825     matroska_script_interpretor_c( demux_sys_t & demuxer )
826     :sys( demuxer )
827     {}
828
829     bool Interpret( const binary * p_command, size_t i_size );
830     
831     // DVD command IDs
832     static const std::string CMD_MS_GOTO_AND_PLAY;
833     
834 protected:
835     demux_sys_t  & sys;
836 };
837
838 const std::string matroska_script_interpretor_c::CMD_MS_GOTO_AND_PLAY = "GotoAndPlay";
839
840
841 class matroska_script_codec_c : public chapter_codec_cmds_c
842 {
843 public:
844     matroska_script_codec_c( demux_sys_t & sys )
845     :chapter_codec_cmds_c( sys, 0 )
846     ,interpretor( sys )
847     {}
848
849     bool Enter();
850     bool Leave();
851
852 protected:
853     matroska_script_interpretor_c interpretor; 
854 };
855
856 class chapter_translation_c
857 {
858 public:
859     KaxChapterTranslateID  translated;
860     unsigned int           codec_id;
861     std::vector<uint64_t>  editions;
862 };
863
864 class chapter_item_c
865 {
866 public:
867     chapter_item_c()
868     :i_start_time(0)
869     ,i_end_time(-1)
870     ,i_user_start_time(-1)
871     ,i_user_end_time(-1)
872     ,i_seekpoint_num(-1)
873     ,b_display_seekpoint(true)
874     ,b_user_display(false)
875     ,psz_parent(NULL)
876     ,b_is_leaving(false)
877     {}
878
879     virtual ~chapter_item_c()
880     {
881         std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
882         while ( index != codecs.end() )
883         {
884             delete (*index);
885             index++;
886         }
887         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
888         while ( index_ != sub_chapters.end() )
889         {
890             delete (*index_);
891             index_++;
892         }
893     }
894
895     int64_t RefreshChapters( bool b_ordered, int64_t i_prev_user_time );
896     int PublishChapters( input_title_t & title, int & i_user_chapters, int i_level = 0 );
897     chapter_item_c * FindTimecode( mtime_t i_timecode );
898     void Append( const chapter_item_c & edition );
899     chapter_item_c * FindChapter( int64_t i_find_uid );
900     virtual chapter_item_c *BrowseCodecPrivate( unsigned int codec_id, 
901                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
902                                     const void *p_cookie, 
903                                     size_t i_cookie_size );
904     std::string                 GetCodecName( bool f_for_title = false ) const;
905     bool                        ParentOf( const chapter_item_c & item ) const;
906     int16                       GetTitleNumber( ) const;
907     
908     int64_t                     i_start_time, i_end_time;
909     int64_t                     i_user_start_time, i_user_end_time; /* the time in the stream when an edition is ordered */
910     std::vector<chapter_item_c*> sub_chapters;
911     int                         i_seekpoint_num;
912     int64_t                     i_uid;
913     bool                        b_display_seekpoint;
914     bool                        b_user_display;
915     std::string                 psz_name;
916     chapter_item_c              *psz_parent;
917     bool                        b_is_leaving;
918     
919     std::vector<chapter_codec_cmds_c*> codecs;
920
921     bool operator<( const chapter_item_c & item ) const
922     {
923         return ( i_user_start_time < item.i_user_start_time || (i_user_start_time == item.i_user_start_time && i_user_end_time < item.i_user_end_time) );
924     }
925
926     bool Enter( bool b_do_subchapters );
927     bool Leave( bool b_do_subchapters );
928     bool EnterAndLeave( chapter_item_c *p_item );
929 };
930
931 class chapter_edition_c : public chapter_item_c
932 {
933 public:
934     chapter_edition_c()
935     :b_ordered(false)
936     {}
937     
938     void RefreshChapters( );
939     mtime_t Duration() const;
940     std::string GetMainName() const;
941     
942     bool                        b_ordered;
943 };
944
945 class matroska_segment_c
946 {
947 public:
948     matroska_segment_c( demux_sys_t & demuxer, EbmlStream & estream )
949         :segment(NULL)
950         ,es(estream)
951         ,i_timescale(MKVD_TIMECODESCALE)
952         ,i_duration(-1)
953         ,i_start_time(0)
954         ,i_cues_position(-1)
955         ,i_chapters_position(-1)
956         ,i_tags_position(-1)
957         ,cluster(NULL)
958         ,i_start_pos(0)
959         ,b_cues(VLC_FALSE)
960         ,i_index(0)
961         ,i_index_max(1024)
962         ,psz_muxing_application(NULL)
963         ,psz_writing_application(NULL)
964         ,psz_segment_filename(NULL)
965         ,psz_title(NULL)
966         ,psz_date_utc(NULL)
967         ,i_default_edition(0)
968         ,sys(demuxer)
969         ,ep(NULL)
970         ,b_preloaded(false)
971     {
972         index = (mkv_index_t*)malloc( sizeof( mkv_index_t ) * i_index_max );
973     }
974
975     virtual ~matroska_segment_c()
976     {
977         for( size_t i_track = 0; i_track < tracks.size(); i_track++ )
978         {
979             if( tracks[i_track]->fmt.psz_description )
980             {
981                 free( tracks[i_track]->fmt.psz_description );
982             }
983             if( tracks[i_track]->psz_codec )
984             {
985                 free( tracks[i_track]->psz_codec );
986             }
987             if( tracks[i_track]->fmt.psz_language )
988             {
989                 free( tracks[i_track]->fmt.psz_language );
990             }
991             delete tracks[i_track];
992         }
993         
994         if( psz_writing_application )
995         {
996             free( psz_writing_application );
997         }
998         if( psz_muxing_application )
999         {
1000             free( psz_muxing_application );
1001         }
1002         if( psz_segment_filename )
1003         {
1004             free( psz_segment_filename );
1005         }
1006         if( psz_title )
1007         {
1008             free( psz_title );
1009         }
1010         if( psz_date_utc )
1011         {
1012             free( psz_date_utc );
1013         }
1014         if ( index )
1015             free( index );
1016
1017         delete ep;
1018
1019         std::vector<chapter_edition_c*>::iterator index = stored_editions.begin();
1020         while ( index != stored_editions.end() )
1021         {
1022             delete (*index);
1023             index++;
1024         }
1025     }
1026
1027     KaxSegment              *segment;
1028     EbmlStream              & es;
1029
1030     /* time scale */
1031     uint64_t                i_timescale;
1032
1033     /* duration of the segment */
1034     mtime_t                 i_duration;
1035     mtime_t                 i_start_time;
1036
1037     /* all tracks */
1038     std::vector<mkv_track_t*> tracks;
1039
1040     /* from seekhead */
1041     int64_t                 i_cues_position;
1042     int64_t                 i_chapters_position;
1043     int64_t                 i_tags_position;
1044
1045     KaxCluster              *cluster;
1046     int64_t                 i_start_pos;
1047     KaxSegmentUID           segment_uid;
1048     KaxPrevUID              prev_segment_uid;
1049     KaxNextUID              next_segment_uid;
1050
1051     vlc_bool_t              b_cues;
1052     int                     i_index;
1053     int                     i_index_max;
1054     mkv_index_t             *index;
1055
1056     /* info */
1057     char                    *psz_muxing_application;
1058     char                    *psz_writing_application;
1059     char                    *psz_segment_filename;
1060     char                    *psz_title;
1061     char                    *psz_date_utc;
1062
1063     /* !!!!! GCC 3.3 bug on Darwin !!!!! */
1064     /* when you remove this variable the compiler issues an atomicity error */
1065     /* this variable only works when using std::vector<chapter_edition_c> */
1066     std::vector<chapter_edition_c*> stored_editions;
1067     int                             i_default_edition;
1068
1069     std::vector<chapter_translation_c> translations;
1070     std::vector<KaxSegmentFamily>  families;
1071     
1072     demux_sys_t                    & sys;
1073     EbmlParser                     *ep;
1074     bool                           b_preloaded;
1075
1076     bool Preload( );
1077     bool PreloadFamily( const matroska_segment_c & segment );
1078     void ParseInfo( KaxInfo *info );
1079     void ParseChapters( KaxChapters *chapters );
1080     void ParseSeekHead( KaxSeekHead *seekhead );
1081     void ParseTracks( KaxTracks *tracks );
1082     void ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters );
1083     void ParseTrackEntry( KaxTrackEntry *m );
1084     void ParseCluster( );
1085     void IndexAppendCluster( KaxCluster *cluster );
1086     void LoadCues( );
1087     void LoadTags( );
1088     void InformationCreate( );
1089     void Seek( mtime_t i_date, mtime_t i_time_offset );
1090     int BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration );
1091     bool Select( mtime_t i_start_time );
1092     void UnSelect( );
1093
1094     static bool CompareSegmentUIDs( const matroska_segment_c * item_a, const matroska_segment_c * item_b );
1095 };
1096
1097 // class holding hard-linked segment together in the playback order
1098 class virtual_segment_c
1099 {
1100 public:
1101     virtual_segment_c( matroska_segment_c *p_segment )
1102         :p_editions(NULL)
1103         ,i_sys_title(0)
1104         ,i_current_segment(0)
1105         ,i_current_edition(-1)
1106         ,psz_current_chapter(NULL)
1107     {
1108         linked_segments.push_back( p_segment );
1109
1110         AppendUID( p_segment->segment_uid );
1111         AppendUID( p_segment->prev_segment_uid );
1112         AppendUID( p_segment->next_segment_uid );
1113     }
1114
1115     void Sort();
1116     size_t AddSegment( matroska_segment_c *p_segment );
1117     void PreloadLinked( );
1118     mtime_t Duration( ) const;
1119     void LoadCues( );
1120     void Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter );
1121
1122     inline chapter_edition_c *Edition()
1123     {
1124         if ( i_current_edition >= 0 && size_t(i_current_edition) < p_editions->size() )
1125             return (*p_editions)[i_current_edition];
1126         return NULL;
1127     }
1128
1129     matroska_segment_c * Segment() const
1130     {
1131         if ( linked_segments.size() == 0 || i_current_segment >= linked_segments.size() )
1132             return NULL;
1133         return linked_segments[i_current_segment];
1134     }
1135
1136     inline chapter_item_c *CurrentChapter() {
1137         return psz_current_chapter;
1138     }
1139
1140     bool SelectNext()
1141     {
1142         if ( i_current_segment < linked_segments.size()-1 )
1143         {
1144             i_current_segment++;
1145             return true;
1146         }
1147         return false;
1148     }
1149
1150     bool FindUID( KaxSegmentUID & uid ) const
1151     {
1152         for ( size_t i=0; i<linked_uids.size(); i++ )
1153         {
1154             if ( linked_uids[i] == uid )
1155                 return true;
1156         }
1157         return false;
1158     }
1159
1160     bool UpdateCurrentToChapter( demux_t & demux );
1161     void PrepareChapters( );
1162
1163     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id, 
1164                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
1165                                         const void *p_cookie, 
1166                                         size_t i_cookie_size );
1167     chapter_item_c *FindChapter( int64_t i_find_uid );
1168
1169     std::vector<chapter_edition_c*>  *p_editions;
1170     int                              i_sys_title;
1171
1172 protected:
1173     std::vector<matroska_segment_c*> linked_segments;
1174     std::vector<KaxSegmentUID>       linked_uids;
1175     size_t                           i_current_segment;
1176
1177     int                              i_current_edition;
1178     chapter_item_c                   *psz_current_chapter;
1179
1180     void                             AppendUID( const EbmlBinary & UID );
1181 };
1182
1183 class matroska_stream_c
1184 {
1185 public:
1186     matroska_stream_c( demux_sys_t & demuxer )
1187         :p_in(NULL)
1188         ,p_es(NULL)
1189         ,sys(demuxer)
1190     {}
1191
1192     virtual ~matroska_stream_c()
1193     {
1194         delete p_in;
1195         delete p_es;
1196     }
1197
1198     IOCallback         *p_in;
1199     EbmlStream         *p_es;
1200
1201     std::vector<matroska_segment_c*> segments;
1202
1203     demux_sys_t                      & sys;
1204 };
1205
1206 typedef struct
1207 {
1208     VLC_COMMON_MEMBERS
1209
1210     demux_t        *p_demux;
1211     vlc_mutex_t     lock;
1212
1213     vlc_bool_t      b_moved;
1214     vlc_bool_t      b_clicked;
1215     vlc_bool_t      b_key;
1216
1217 } event_thread_t;
1218
1219 class demux_sys_t
1220 {
1221 public:
1222     demux_sys_t( demux_t & demux )
1223         :demuxer(demux)
1224         ,i_pts(0)
1225         ,i_start_pts(0)
1226         ,i_chapter_time(0)
1227         ,meta(NULL)
1228         ,i_current_title(0)
1229         ,p_current_segment(NULL)
1230         ,dvd_interpretor( *this )
1231         ,f_duration(-1.0)
1232         ,b_ui_hooked(false)
1233         ,p_input(NULL)
1234         ,b_pci_packet_set(false)
1235         ,i_curr_button(0)
1236         ,p_ev(NULL)
1237     {
1238         vlc_mutex_init( &demuxer, &lock_demuxer );
1239         StartUiThread();
1240     }
1241
1242     virtual ~demux_sys_t()
1243     {
1244         StopUiThread();
1245         size_t i;
1246         for ( i=0; i<streams.size(); i++ )
1247             delete streams[i];
1248         for ( i=0; i<opened_segments.size(); i++ )
1249             delete opened_segments[i];
1250         for ( i=0; i<used_segments.size(); i++ )
1251             delete used_segments[i];
1252         vlc_mutex_destroy( &lock_demuxer );
1253     }
1254
1255     /* current data */
1256     demux_t                 & demuxer;
1257
1258     mtime_t                 i_pts;
1259     mtime_t                 i_start_pts;
1260     mtime_t                 i_chapter_time;
1261
1262     vlc_meta_t              *meta;
1263
1264     std::vector<input_title_t>       titles; // matroska editions
1265     size_t                           i_current_title;
1266
1267     std::vector<matroska_stream_c*>  streams;
1268     std::vector<matroska_segment_c*> opened_segments;
1269     std::vector<virtual_segment_c*>  used_segments;
1270     virtual_segment_c                *p_current_segment;
1271
1272     dvd_command_interpretor_c        dvd_interpretor;
1273
1274     /* duration of the stream */
1275     float                   f_duration;
1276
1277     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1278     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id, 
1279                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
1280                                         const void *p_cookie, 
1281                                         size_t i_cookie_size, 
1282                                         virtual_segment_c * & p_segment_found );
1283     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1284
1285     void PreloadFamily( const matroska_segment_c & of_segment );
1286     void PreloadLinked( matroska_segment_c *p_segment );
1287     bool PreparePlayback( virtual_segment_c *p_new_segment );
1288     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream );
1289
1290     void StartUiThread();
1291     void StopUiThread();
1292     bool b_ui_hooked;
1293     inline void SwapButtons();
1294
1295     /* for spu variables */
1296     input_thread_t *p_input;
1297     pci_t          pci_packet;
1298     bool           b_pci_packet_set;
1299     int16          i_curr_button;
1300     uint8_t        alpha[4];
1301     vlc_mutex_t    lock_demuxer;
1302
1303     /* event */
1304     event_thread_t *p_ev;
1305     static int EventThread( vlc_object_t *p_this );
1306     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1307                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1308     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1309                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1310
1311
1312
1313 protected:
1314     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1315     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1316 };
1317
1318 static int  Demux  ( demux_t * );
1319 static int  Control( demux_t *, int, va_list );
1320 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1321
1322 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1323
1324 static char *UTF8ToStr          ( const UTFstring &u );
1325
1326 /*****************************************************************************
1327  * Open: initializes matroska demux structures
1328  *****************************************************************************/
1329 static int Open( vlc_object_t * p_this )
1330 {
1331     demux_t            *p_demux = (demux_t*)p_this;
1332     demux_sys_t        *p_sys;
1333     matroska_stream_c  *p_stream;
1334     matroska_segment_c *p_segment;
1335     uint8_t            *p_peek;
1336     std::string        s_path, s_filename;
1337     vlc_stream_io_callback *p_io_callback;
1338     EbmlStream         *p_io_stream;
1339
1340     /* peek the begining */
1341     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1342
1343     /* is a valid file */
1344     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1345         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1346
1347     /* Set the demux function */
1348     p_demux->pf_demux   = Demux;
1349     p_demux->pf_control = Control;
1350     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1351
1352     p_io_callback = new vlc_stream_io_callback( p_demux->s );
1353     p_io_stream = new EbmlStream( *p_io_callback );
1354
1355     if( p_io_stream == NULL )
1356     {
1357         msg_Err( p_demux, "failed to create EbmlStream" );
1358         delete p_io_callback;
1359         delete p_sys;
1360         return VLC_EGENERIC;
1361     }
1362
1363     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream );
1364     if( p_stream == NULL )
1365     {
1366         msg_Err( p_demux, "cannot find KaxSegment" );
1367         goto error;
1368     }
1369     p_sys->streams.push_back( p_stream );
1370
1371     p_stream->p_in = p_io_callback;
1372     p_stream->p_es = p_io_stream;
1373
1374     for (size_t i=0; i<p_stream->segments.size(); i++)
1375     {
1376         p_stream->segments[i]->Preload();
1377     }
1378
1379     p_segment = p_stream->segments[0];
1380     if( p_segment->cluster != NULL )
1381     {
1382         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1383
1384         // reset the stream reading to the first cluster of the segment used
1385         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1386     }
1387
1388     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1389     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1390     {
1391         // assume it's a regular file
1392         // get the directory path
1393         s_path = p_demux->psz_path;
1394         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1395         {
1396             s_path = s_path.substr(0,s_path.length()-1);
1397         }
1398         else
1399         {
1400             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0) 
1401             {
1402                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1403             }
1404         }
1405
1406         struct dirent *p_file_item;
1407         DIR *p_src_dir = opendir(s_path.c_str());
1408
1409         if (p_src_dir != NULL)
1410         {
1411             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1412             {
1413                 if (strlen(p_file_item->d_name) > 4)
1414                 {
1415                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1416
1417                     if (!s_filename.compare(p_demux->psz_path))
1418                         continue; // don't reuse the original opened file
1419
1420 #if defined(__GNUC__) && (__GNUC__ < 3)
1421                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) || 
1422                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1423 #else
1424                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") || 
1425                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1426 #endif
1427                     {
1428                         // test wether this file belongs to the our family
1429                         StdIOCallback *p_file_io = new StdIOCallback(s_filename.c_str(), MODE_READ);
1430                         EbmlStream *p_estream = new EbmlStream(*p_file_io);
1431
1432                         p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1433                         if ( p_stream == NULL )
1434                         {
1435                             msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1436                             delete p_estream;
1437                             delete p_file_io;
1438                         }
1439                         else
1440                         {
1441                             p_stream->p_in = p_file_io;
1442                             p_stream->p_es = p_estream;
1443                             p_sys->streams.push_back( p_stream );
1444                         }
1445                     }
1446                 }
1447             }
1448             closedir( p_src_dir );
1449         }
1450     }
1451
1452     p_sys->PreloadFamily( *p_segment );
1453     p_sys->PreloadLinked( p_segment );
1454     if ( !p_sys->PreparePlayback( NULL ) )
1455     {
1456         msg_Err( p_demux, "cannot use the segment" );
1457         goto error;
1458     }
1459     
1460     return VLC_SUCCESS;
1461
1462 error:
1463     delete p_sys;
1464     return VLC_EGENERIC;
1465 }
1466
1467 /*****************************************************************************
1468  * Close: frees unused data
1469  *****************************************************************************/
1470 static void Close( vlc_object_t *p_this )
1471 {
1472     demux_t     *p_demux = (demux_t*)p_this;
1473     demux_sys_t *p_sys   = p_demux->p_sys;
1474
1475     delete p_sys;
1476 }
1477
1478 /*****************************************************************************
1479  * Control:
1480  *****************************************************************************/
1481 static int Control( demux_t *p_demux, int i_query, va_list args )
1482 {
1483     demux_sys_t        *p_sys = p_demux->p_sys;
1484     int64_t     *pi64;
1485     double      *pf, f;
1486     int         i_skp;
1487     size_t      i_idx;
1488
1489     vlc_meta_t **pp_meta;
1490
1491     switch( i_query )
1492     {
1493         case DEMUX_GET_META:
1494             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1495             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1496             return VLC_SUCCESS;
1497
1498         case DEMUX_GET_LENGTH:
1499             pi64 = (int64_t*)va_arg( args, int64_t * );
1500             if( p_sys->f_duration > 0.0 )
1501             {
1502                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1503                 return VLC_SUCCESS;
1504             }
1505             return VLC_EGENERIC;
1506
1507         case DEMUX_GET_POSITION:
1508             pf = (double*)va_arg( args, double * );
1509             if ( p_sys->f_duration > 0.0 )
1510                 *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);
1511             return VLC_SUCCESS;
1512
1513         case DEMUX_SET_POSITION:
1514             f = (double)va_arg( args, double );
1515             Seek( p_demux, -1, f, NULL );
1516             return VLC_SUCCESS;
1517
1518         case DEMUX_GET_TIME:
1519             pi64 = (int64_t*)va_arg( args, int64_t * );
1520             *pi64 = p_sys->i_pts;
1521             return VLC_SUCCESS;
1522
1523         case DEMUX_GET_TITLE_INFO:
1524             if( p_sys->titles.size() )
1525             {
1526                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1527                 int *pi_int    = (int*)va_arg( args, int* );
1528
1529                 *pi_int = p_sys->titles.size();
1530                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1531
1532                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1533                 {
1534                     (*ppp_title)[i] = vlc_input_title_Duplicate( &p_sys->titles[i] );
1535                 }
1536
1537                 return VLC_SUCCESS;
1538             }
1539             return VLC_EGENERIC;
1540
1541         case DEMUX_SET_TITLE:
1542             /* TODO handle editions as titles */
1543             i_idx = (int)va_arg( args, int );
1544             if( i_idx < p_sys->used_segments.size() )
1545             {
1546                 p_sys->PreparePlayback( p_sys->used_segments[i_idx] );
1547                 return VLC_SUCCESS;
1548             }
1549             return VLC_EGENERIC;
1550
1551         case DEMUX_SET_SEEKPOINT:
1552             i_skp = (int)va_arg( args, int );
1553
1554             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1555             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title].i_seekpoint)
1556             {
1557                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title].seekpoint[i_skp]->i_time_offset, -1, NULL);
1558                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1559                 p_demux->info.i_seekpoint = i_skp;
1560                 return VLC_SUCCESS;
1561             }
1562             return VLC_EGENERIC;
1563
1564         case DEMUX_SET_TIME:
1565         case DEMUX_GET_FPS:
1566         default:
1567             return VLC_EGENERIC;
1568     }
1569 }
1570
1571 int matroska_segment_c::BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1572 {
1573     *pp_block = NULL;
1574     *pi_ref1  = -1;
1575     *pi_ref2  = -1;
1576
1577     for( ;; )
1578     {
1579         EbmlElement *el;
1580         int         i_level;
1581
1582         if ( ep == NULL )
1583             return VLC_EGENERIC;
1584
1585         el = ep->Get();
1586         i_level = ep->GetLevel();
1587
1588         if( el == NULL && *pp_block != NULL )
1589         {
1590             /* update the index */
1591 #define idx index[i_index - 1]
1592             if( i_index > 0 && idx.i_time == -1 )
1593             {
1594                 idx.i_time        = (*pp_block)->GlobalTimecode() / (mtime_t)1000;
1595                 idx.b_key         = *pi_ref1 == -1 ? VLC_TRUE : VLC_FALSE;
1596             }
1597 #undef idx
1598             return VLC_SUCCESS;
1599         }
1600
1601         if( el == NULL )
1602         {
1603             if( ep->GetLevel() > 1 )
1604             {
1605                 ep->Up();
1606                 continue;
1607             }
1608             msg_Warn( &sys.demuxer, "EOF" );
1609             return VLC_EGENERIC;
1610         }
1611
1612         /* do parsing */
1613         switch ( i_level )
1614         {
1615         case 1:
1616             if( MKV_IS_ID( el, KaxCluster ) )
1617             {
1618                 cluster = (KaxCluster*)el;
1619
1620                 /* add it to the index */
1621                 if( i_index == 0 ||
1622                     ( i_index > 0 && index[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1623                 {
1624                     IndexAppendCluster( cluster );
1625                 }
1626
1627                 // reset silent tracks
1628                 for (size_t i=0; i<tracks.size(); i++)
1629                 {
1630                     tracks[i]->b_silent = VLC_FALSE;
1631                 }
1632
1633                 ep->Down();
1634             }
1635             else if( MKV_IS_ID( el, KaxCues ) )
1636             {
1637                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1638                 return VLC_EGENERIC;
1639             }
1640             else
1641             {
1642                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1643             }
1644             break;
1645         case 2:
1646             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1647             {
1648                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1649
1650                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1651                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1652             }
1653             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1654             {
1655                 ep->Down();
1656             }
1657             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1658             {
1659                 ep->Down();
1660             }
1661             break;
1662         case 3:
1663             if( MKV_IS_ID( el, KaxBlock ) )
1664             {
1665                 *pp_block = (KaxBlock*)el;
1666
1667                 (*pp_block)->ReadData( es.I_O() );
1668                 (*pp_block)->SetParent( *cluster );
1669
1670                 ep->Keep();
1671             }
1672             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1673             {
1674                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1675
1676                 dur.ReadData( es.I_O() );
1677                 *pi_duration = uint64( dur );
1678             }
1679             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1680             {
1681                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1682
1683                 ref.ReadData( es.I_O() );
1684                 if( *pi_ref1 == -1 )
1685                 {
1686                     *pi_ref1 = int64( ref );
1687                 }
1688                 else
1689                 {
1690                     *pi_ref2 = int64( ref );
1691                 }
1692             }
1693             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1694             {
1695                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1696                 track_num.ReadData( es.I_O() );
1697                 // find the track
1698                 for (size_t i=0; i<tracks.size(); i++)
1699                 {
1700                     if ( tracks[i]->i_number == uint32(track_num))
1701                     {
1702                         tracks[i]->b_silent = VLC_TRUE;
1703                         break;
1704                     }
1705                 }
1706             }
1707             break;
1708         default:
1709             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1710             return VLC_EGENERIC;
1711         }
1712     }
1713 }
1714
1715 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1716 {
1717     block_t *p_block;
1718     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1719     memcpy( p_block->p_buffer, p_mem, i_mem );
1720     //p_block->i_rate = p_input->stream.control.i_rate;
1721     return p_block;
1722 }
1723
1724 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1725                          mtime_t i_duration )
1726 {
1727     demux_sys_t        *p_sys = p_demux->p_sys;
1728     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1729
1730     size_t          i_track;
1731     unsigned int    i;
1732     vlc_bool_t      b;
1733
1734 #define tk  p_segment->tracks[i_track]
1735     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1736     {
1737         if( tk->i_number == block->TrackNum() )
1738         {
1739             break;
1740         }
1741     }
1742
1743     if( i_track >= p_segment->tracks.size() )
1744     {
1745         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1746         return;
1747     }
1748     if( tk->p_es == NULL )
1749     {
1750         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1751         return;
1752     }
1753     if( i_pts < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1754     {
1755         return; /* discard audio packets that shouldn't be rendered */
1756     }
1757
1758     if ( tk->fmt.i_cat != SPU_ES || strcmp( tk->psz_codec, "B_VOBBTN" ) )
1759     {
1760         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1761
1762         if( !b )
1763         {
1764             tk->b_inited = VLC_FALSE;
1765             return;
1766         }
1767     }
1768
1769
1770     /* First send init data */
1771     if( !tk->b_inited && tk->i_data_init > 0 )
1772     {
1773         block_t *p_init;
1774
1775         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1776         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1777         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1778     }
1779     tk->b_inited = VLC_TRUE;
1780
1781
1782     for( i = 0; i < block->NumberFrames(); i++ )
1783     {
1784         block_t *p_block;
1785         DataBuffer &data = block->GetBuffer(i);
1786
1787         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1788
1789         if( p_block == NULL )
1790         {
1791             break;
1792         }
1793
1794 #if defined(HAVE_ZLIB_H)
1795         if( tk->i_compression_type )
1796         {
1797             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1798         }
1799 #endif
1800
1801         // TODO implement correct timestamping when B frames are used
1802         if( tk->fmt.i_cat != VIDEO_ES )
1803         {
1804             p_block->i_dts = p_block->i_pts = i_pts;
1805         }
1806         else
1807         {
1808             p_block->i_dts = i_pts;
1809             p_block->i_pts = 0;
1810         }
1811
1812         if ( tk->fmt.i_cat == SPU_ES )
1813         {
1814             if ( !strcmp( tk->psz_codec, "B_VOBBTN" ) )
1815             {
1816                 // TODO handle the start/stop times of this packet
1817                 if ( p_sys->b_ui_hooked )
1818                 {
1819                     vlc_mutex_lock( &p_sys->p_ev->lock );
1820                     memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1821                     p_sys->SwapButtons();
1822                     p_sys->b_pci_packet_set = true;
1823                     vlc_mutex_unlock( &p_sys->p_ev->lock );
1824                     block_Release( p_block );
1825                 }
1826                 return;
1827             }
1828
1829             else if ( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1830             {
1831                 p_block->i_length = i_duration * 1000;
1832             }
1833         }
1834
1835         es_out_Send( p_demux->out, tk->p_es, p_block );
1836
1837         /* use time stamp only for first block */
1838         i_pts = 0;
1839     }
1840
1841 #undef tk
1842 }
1843
1844 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
1845 {
1846     int i_upper_lvl = 0;
1847     size_t i;
1848     EbmlElement *p_l0, *p_l1, *p_l2;
1849     bool b_keep_stream = false, b_keep_segment;
1850
1851     // verify the EBML Header
1852     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1853     if (p_l0 == NULL)
1854     {
1855         return NULL;
1856     }
1857     p_l0->SkipData(*p_estream, EbmlHead_Context);
1858     delete p_l0;
1859
1860     // find all segments in this file
1861     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1862     if (p_l0 == NULL)
1863     {
1864         return NULL;
1865     }
1866
1867     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1868
1869     while (p_l0 != 0)
1870     {
1871         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1872         {
1873             EbmlParser  *ep;
1874             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1875             b_keep_segment = false;
1876
1877             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1878             p_segment1->ep = ep;
1879             p_segment1->segment = (KaxSegment*)p_l0;
1880
1881             while ((p_l1 = ep->Get()))
1882             {
1883                 if (MKV_IS_ID(p_l1, KaxInfo))
1884                 {
1885                     // find the families of this segment
1886                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1887
1888                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1889                     for( i = 0; i < p_info->ListSize(); i++ )
1890                     {
1891                         EbmlElement *l = (*p_info)[i];
1892
1893                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1894                         {
1895                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1896                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1897                             if ( !b_keep_segment )
1898                                 break; // this segment is already known
1899                             opened_segments.push_back( p_segment1 );
1900                             p_segment1->segment_uid = *( new KaxSegmentUID(*p_uid) );
1901                         }
1902                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1903                         {
1904                             p_segment1->prev_segment_uid = *( new KaxPrevUID( *static_cast<KaxPrevUID*>(l) ) );
1905                         }
1906                         else if( MKV_IS_ID( l, KaxNextUID ) )
1907                         {
1908                             p_segment1->next_segment_uid = *( new KaxNextUID( *static_cast<KaxNextUID*>(l) ) );
1909                         }
1910                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1911                         {
1912                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1913                             p_segment1->families.push_back( *p_fam );
1914                         }
1915                     }
1916                     break;
1917                 }
1918             }
1919             if ( b_keep_segment )
1920             {
1921                 b_keep_stream = true;
1922                 p_stream1->segments.push_back( p_segment1 );
1923             }
1924             else
1925                 delete p_segment1;
1926         }
1927
1928         p_l0->SkipData(*p_estream, EbmlHead_Context);
1929         p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1930     }
1931
1932     if ( !b_keep_stream )
1933     {
1934         delete p_stream1;
1935         p_stream1 = NULL;
1936     }
1937
1938     return p_stream1;
1939 }
1940
1941 bool matroska_segment_c::Select( mtime_t i_start_time )
1942 {
1943     size_t i_track;
1944
1945     /* add all es */
1946     msg_Dbg( &sys.demuxer, "found %d es", tracks.size() );
1947     sys.b_pci_packet_set = false;
1948     for( i_track = 0; i_track < tracks.size(); i_track++ )
1949     {
1950         if( tracks[i_track]->fmt.i_cat == UNKNOWN_ES )
1951         {
1952             msg_Warn( &sys.demuxer, "invalid track[%d, n=%d]", i_track, tracks[i_track]->i_number );
1953             tracks[i_track]->p_es = NULL;
1954             continue;
1955         }
1956
1957         if( !strcmp( tracks[i_track]->psz_codec, "V_MS/VFW/FOURCC" ) )
1958         {
1959             if( tracks[i_track]->i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
1960             {
1961                 msg_Err( &sys.demuxer, "missing/invalid BITMAPINFOHEADER" );
1962                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
1963             }
1964             else
1965             {
1966                 BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tracks[i_track]->p_extra_data;
1967
1968                 tracks[i_track]->fmt.video.i_width = GetDWLE( &p_bih->biWidth );
1969                 tracks[i_track]->fmt.video.i_height= GetDWLE( &p_bih->biHeight );
1970                 tracks[i_track]->fmt.i_codec       = GetFOURCC( &p_bih->biCompression );
1971
1972                 tracks[i_track]->fmt.i_extra       = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
1973                 if( tracks[i_track]->fmt.i_extra > 0 )
1974                 {
1975                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
1976                     memcpy( tracks[i_track]->fmt.p_extra, &p_bih[1], tracks[i_track]->fmt.i_extra );
1977                 }
1978             }
1979         }
1980         else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG1" ) ||
1981                  !strcmp( tracks[i_track]->psz_codec, "V_MPEG2" ) )
1982         {
1983             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
1984         }
1985         else if( !strncmp( tracks[i_track]->psz_codec, "V_MPEG4", 7 ) )
1986         {
1987             if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/MS/V3" ) )
1988             {
1989                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
1990             }
1991             else if( !strcmp( tracks[i_track]->psz_codec, "V_MPEG4/ISO/AVC" ) )
1992             {
1993                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'v', 'c', '1' );
1994                 tracks[i_track]->fmt.b_packetized = VLC_FALSE;
1995                 tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
1996                 tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
1997                 memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
1998             }
1999             else
2000             {
2001                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
2002             }
2003         }
2004         else if( !strcmp( tracks[i_track]->psz_codec, "V_QUICKTIME" ) )
2005         {
2006             MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
2007 #ifdef VSLHC
2008             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2009                                                        tracks[i_track]->p_extra_data,
2010                                                        tracks[i_track]->i_extra_data );
2011 #else
2012             stream_t *p_mp4_stream = stream_MemoryNew( VLC_OBJECT(&sys.demuxer),
2013                                                        tracks[i_track]->p_extra_data,
2014                                                        tracks[i_track]->i_extra_data,
2015                                                        VLC_FALSE );
2016 #endif
2017             MP4_ReadBoxCommon( p_mp4_stream, p_box );
2018             MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
2019             tracks[i_track]->fmt.i_codec = p_box->i_type;
2020             tracks[i_track]->fmt.video.i_width = p_box->data.p_sample_vide->i_width;
2021             tracks[i_track]->fmt.video.i_height = p_box->data.p_sample_vide->i_height;
2022             tracks[i_track]->fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
2023             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2024             memcpy( tracks[i_track]->fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tracks[i_track]->fmt.i_extra );
2025             MP4_FreeBox_sample_vide( p_box );
2026 #ifdef VSLHC
2027             stream_MemoryDelete( p_mp4_stream, VLC_TRUE );
2028 #else
2029             stream_Delete( p_mp4_stream );
2030 #endif        
2031         }
2032         else if( !strcmp( tracks[i_track]->psz_codec, "A_MS/ACM" ) )
2033         {
2034             if( tracks[i_track]->i_extra_data < (int)sizeof( WAVEFORMATEX ) )
2035             {
2036                 msg_Err( &sys.demuxer, "missing/invalid WAVEFORMATEX" );
2037                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2038             }
2039             else
2040             {
2041                 WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tracks[i_track]->p_extra_data;
2042
2043                 wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tracks[i_track]->fmt.i_codec, NULL );
2044
2045                 tracks[i_track]->fmt.audio.i_channels   = GetWLE( &p_wf->nChannels );
2046                 tracks[i_track]->fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
2047                 tracks[i_track]->fmt.i_bitrate    = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
2048                 tracks[i_track]->fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
2049                 tracks[i_track]->fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
2050
2051                 tracks[i_track]->fmt.i_extra            = GetWLE( &p_wf->cbSize );
2052                 if( tracks[i_track]->fmt.i_extra > 0 )
2053                 {
2054                     tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2055                     memcpy( tracks[i_track]->fmt.p_extra, &p_wf[1], tracks[i_track]->fmt.i_extra );
2056                 }
2057             }
2058         }
2059         else if( !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L3" ) ||
2060                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L2" ) ||
2061                  !strcmp( tracks[i_track]->psz_codec, "A_MPEG/L1" ) )
2062         {
2063             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
2064         }
2065         else if( !strcmp( tracks[i_track]->psz_codec, "A_AC3" ) )
2066         {
2067             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
2068         }
2069         else if( !strcmp( tracks[i_track]->psz_codec, "A_DTS" ) )
2070         {
2071             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
2072         }
2073         else if( !strcmp( tracks[i_track]->psz_codec, "A_FLAC" ) )
2074         {
2075             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
2076             tracks[i_track]->fmt.i_extra = tracks[i_track]->i_extra_data;
2077             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->i_extra_data );
2078             memcpy( tracks[i_track]->fmt.p_extra,tracks[i_track]->p_extra_data, tracks[i_track]->i_extra_data );
2079         }
2080         else if( !strcmp( tracks[i_track]->psz_codec, "A_VORBIS" ) )
2081         {
2082             int i, i_offset = 1, i_size[3], i_extra;
2083             uint8_t *p_extra;
2084
2085             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
2086
2087             /* Split the 3 headers */
2088             if( tracks[i_track]->p_extra_data[0] != 0x02 )
2089                 msg_Err( &sys.demuxer, "invalid vorbis header" );
2090
2091             for( i = 0; i < 2; i++ )
2092             {
2093                 i_size[i] = 0;
2094                 while( i_offset < tracks[i_track]->i_extra_data )
2095                 {
2096                     i_size[i] += tracks[i_track]->p_extra_data[i_offset];
2097                     if( tracks[i_track]->p_extra_data[i_offset++] != 0xff ) break;
2098                 }
2099             }
2100
2101             i_size[0] = __MIN(i_size[0], tracks[i_track]->i_extra_data - i_offset);
2102             i_size[1] = __MIN(i_size[1], tracks[i_track]->i_extra_data -i_offset -i_size[0]);
2103             i_size[2] = tracks[i_track]->i_extra_data - i_offset - i_size[0] - i_size[1];
2104
2105             tracks[i_track]->fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
2106             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2107             p_extra = (uint8_t *)tracks[i_track]->fmt.p_extra; i_extra = 0;
2108             for( i = 0; i < 3; i++ )
2109             {
2110                 *(p_extra++) = i_size[i] >> 8;
2111                 *(p_extra++) = i_size[i] & 0xFF;
2112                 memcpy( p_extra, tracks[i_track]->p_extra_data + i_offset + i_extra,
2113                         i_size[i] );
2114                 p_extra += i_size[i];
2115                 i_extra += i_size[i];
2116             }
2117         }
2118         else if( !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
2119                  !strncmp( tracks[i_track]->psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
2120         {
2121             int i_profile, i_srate;
2122             static unsigned int i_sample_rates[] =
2123             {
2124                     96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
2125                         16000, 12000, 11025, 8000,  7350,  0,     0,     0
2126             };
2127
2128             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
2129             /* create data for faad (MP4DecSpecificDescrTag)*/
2130
2131             if( !strcmp( &tracks[i_track]->psz_codec[12], "MAIN" ) )
2132             {
2133                 i_profile = 0;
2134             }
2135             else if( !strcmp( &tracks[i_track]->psz_codec[12], "LC" ) )
2136             {
2137                 i_profile = 1;
2138             }
2139             else if( !strcmp( &tracks[i_track]->psz_codec[12], "SSR" ) )
2140             {
2141                 i_profile = 2;
2142             }
2143             else
2144             {
2145                 i_profile = 3;
2146             }
2147
2148             for( i_srate = 0; i_srate < 13; i_srate++ )
2149             {
2150                 if( i_sample_rates[i_srate] == tracks[i_track]->fmt.audio.i_rate )
2151                 {
2152                     break;
2153                 }
2154             }
2155             msg_Dbg( &sys.demuxer, "profile=%d srate=%d", i_profile, i_srate );
2156
2157             tracks[i_track]->fmt.i_extra = 2;
2158             tracks[i_track]->fmt.p_extra = malloc( tracks[i_track]->fmt.i_extra );
2159             ((uint8_t*)tracks[i_track]->fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
2160             ((uint8_t*)tracks[i_track]->fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tracks[i_track]->fmt.audio.i_channels << 3);
2161         }
2162         else if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) ||
2163                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/LIT" ) ||
2164                  !strcmp( tracks[i_track]->psz_codec, "A_PCM/FLOAT/IEEE" ) )
2165         {
2166             if( !strcmp( tracks[i_track]->psz_codec, "A_PCM/INT/BIG" ) )
2167             {
2168                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
2169             }
2170             else
2171             {
2172                 tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
2173             }
2174             tracks[i_track]->fmt.audio.i_blockalign = ( tracks[i_track]->fmt.audio.i_bitspersample + 7 ) / 8 * tracks[i_track]->fmt.audio.i_channels;
2175         }
2176         else if( !strcmp( tracks[i_track]->psz_codec, "A_TTA1" ) )
2177         {
2178             /* FIXME: support this codec */
2179             msg_Err( &sys.demuxer, "TTA not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2180             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2181         }
2182         else if( !strcmp( tracks[i_track]->psz_codec, "A_WAVPACK4" ) )
2183         {
2184             /* FIXME: support this codec */
2185             msg_Err( &sys.demuxer, "Wavpack not supported yet[%d, n=%d]", i_track, tracks[i_track]->i_number );
2186             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2187         }
2188         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/UTF8" ) )
2189         {
2190             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
2191             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2192         }
2193         else if( !strcmp( tracks[i_track]->psz_codec, "S_TEXT/SSA" ) ||
2194                  !strcmp( tracks[i_track]->psz_codec, "S_TEXT/ASS" ) ||
2195                  !strcmp( tracks[i_track]->psz_codec, "S_SSA" ) ||
2196                  !strcmp( tracks[i_track]->psz_codec, "S_ASS" ))
2197         {
2198             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
2199             tracks[i_track]->fmt.subs.psz_encoding = strdup( "UTF-8" );
2200         }
2201         else if( !strcmp( tracks[i_track]->psz_codec, "S_VOBSUB" ) )
2202         {
2203             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2204             if( tracks[i_track]->i_extra_data )
2205             {
2206                 char *p_start;
2207                 char *p_buf = (char *)malloc( tracks[i_track]->i_extra_data + 1);
2208                 memcpy( p_buf, tracks[i_track]->p_extra_data , tracks[i_track]->i_extra_data );
2209                 p_buf[tracks[i_track]->i_extra_data] = '\0';
2210                 
2211                 p_start = strstr( p_buf, "size:" );
2212                 if( sscanf( p_start, "size: %dx%d",
2213                         &tracks[i_track]->fmt.subs.spu.i_original_frame_width, &tracks[i_track]->fmt.subs.spu.i_original_frame_height ) == 2 )
2214                 {
2215                     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 );
2216                 }
2217                 else
2218                 {
2219                     msg_Warn( &sys.demuxer, "reading original frame size for vobsub failed" );
2220                 }
2221                 free( p_buf );
2222             }
2223         }
2224         else if( !strcmp( tracks[i_track]->psz_codec, "B_VOBBTN" ) )
2225         {
2226             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
2227         }
2228         else
2229         {
2230             msg_Err( &sys.demuxer, "unknow codec id=`%s'", tracks[i_track]->psz_codec );
2231             tracks[i_track]->fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
2232         }
2233         if( tracks[i_track]->b_default )
2234         {
2235             tracks[i_track]->fmt.i_priority = 1000;
2236         }
2237
2238         tracks[i_track]->p_es = es_out_Add( sys.demuxer.out, &tracks[i_track]->fmt );
2239
2240         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_start_time );
2241     }
2242     
2243     sys.i_start_pts = i_start_time;
2244     // reset the stream reading to the first cluster of the segment used
2245     es.I_O().setFilePointer( i_start_pos );
2246
2247     delete ep;
2248     ep = new EbmlParser( &es, segment, &sys.demuxer );
2249
2250     return true;
2251 }
2252
2253 void demux_sys_t::StartUiThread()
2254 {
2255     if ( !b_ui_hooked )
2256     {
2257         msg_Dbg( &demuxer, "Starting the UI Hook" );
2258         b_ui_hooked = true;
2259         /* FIXME hack hack hack hack FIXME */
2260         /* Get p_input and create variable */
2261         p_input = (input_thread_t *) vlc_object_find( &demuxer, VLC_OBJECT_INPUT, FIND_PARENT );
2262         var_Create( p_input, "x-start", VLC_VAR_INTEGER );
2263         var_Create( p_input, "y-start", VLC_VAR_INTEGER );
2264         var_Create( p_input, "x-end", VLC_VAR_INTEGER );
2265         var_Create( p_input, "y-end", VLC_VAR_INTEGER );
2266         var_Create( p_input, "color", VLC_VAR_ADDRESS );
2267         var_Create( p_input, "menu-contrast", VLC_VAR_ADDRESS );
2268         var_Create( p_input, "highlight", VLC_VAR_BOOL );
2269         var_Create( p_input, "highlight-mutex", VLC_VAR_MUTEX );
2270
2271         /* Now create our event thread catcher */
2272         p_ev = (event_thread_t *) vlc_object_create( &demuxer, sizeof( event_thread_t ) );
2273         p_ev->p_demux = &demuxer;
2274         p_ev->b_die = VLC_FALSE;
2275         vlc_mutex_init( p_ev, &p_ev->lock );
2276         vlc_thread_create( p_ev, "mkv event thread handler", EventThread,
2277                         VLC_THREAD_PRIORITY_LOW, VLC_FALSE );
2278     }
2279 }
2280
2281 void demux_sys_t::StopUiThread()
2282 {
2283     if ( b_ui_hooked )
2284     {
2285         p_ev->b_die = VLC_TRUE;
2286
2287         vlc_thread_join( p_ev );
2288         vlc_object_destroy( p_ev );
2289
2290         p_ev = NULL;
2291
2292         var_Destroy( p_input, "highlight-mutex" );
2293         var_Destroy( p_input, "highlight" );
2294         var_Destroy( p_input, "x-start" );
2295         var_Destroy( p_input, "x-end" );
2296         var_Destroy( p_input, "y-start" );
2297         var_Destroy( p_input, "y-end" );
2298         var_Destroy( p_input, "color" );
2299         var_Destroy( p_input, "menu-contrast" );
2300
2301         msg_Dbg( &demuxer, "Stopping the UI Hook" );
2302     }
2303     b_ui_hooked = false;
2304 }
2305
2306 int demux_sys_t::EventMouse( vlc_object_t *p_this, char const *psz_var,
2307                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
2308 {
2309     event_thread_t *p_ev = (event_thread_t *) p_data;
2310     vlc_mutex_lock( &p_ev->lock );
2311     if( psz_var[6] == 'c' )
2312         p_ev->b_clicked = VLC_TRUE;
2313     else if( psz_var[6] == 'm' )
2314         p_ev->b_moved = VLC_TRUE;
2315     vlc_mutex_unlock( &p_ev->lock );
2316
2317     return VLC_SUCCESS;
2318 }
2319
2320 int demux_sys_t::EventKey( vlc_object_t *p_this, char const *psz_var,
2321                      vlc_value_t oldval, vlc_value_t newval, void *p_data )
2322 {
2323     event_thread_t *p_ev = (event_thread_t *) p_data;
2324     vlc_mutex_lock( &p_ev->lock );
2325     p_ev->b_key = VLC_TRUE;
2326     vlc_mutex_unlock( &p_ev->lock );
2327
2328     return VLC_SUCCESS;
2329 }
2330
2331 int demux_sys_t::EventThread( vlc_object_t *p_this )
2332 {
2333     event_thread_t *p_ev = (event_thread_t*)p_this;
2334     demux_sys_t    *p_sys = p_ev->p_demux->p_sys;
2335     vlc_object_t   *p_vout = NULL;
2336
2337     p_ev->b_moved   = VLC_FALSE;
2338     p_ev->b_clicked = VLC_FALSE;
2339     p_ev->b_key     = VLC_FALSE;
2340
2341     /* catch all key event */
2342     var_AddCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2343
2344     /* main loop */
2345     while( !p_ev->b_die )
2346     {
2347         vlc_bool_t b_activated = VLC_FALSE;
2348
2349         /* KEY part */
2350         if( p_ev->b_key )
2351         {
2352             vlc_value_t valk;
2353             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2354             int i, i_action = -1;
2355
2356             vlc_mutex_lock( &p_ev->lock );
2357
2358             if ( !p_sys->b_pci_packet_set )
2359             {
2360                 vlc_mutex_unlock( &p_ev->lock );
2361                 /* Wait 100ms */
2362                 msleep( 100000 );
2363                 continue;
2364             }
2365
2366             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2367
2368             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2369             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2370             {
2371                 if( p_hotkeys[i].i_key == valk.i_int )
2372                 {
2373                     i_action = p_hotkeys[i].i_action;
2374                 }
2375             }
2376
2377             switch( i_action )
2378             {
2379             case ACTIONID_NAV_LEFT:
2380 //                dvdnav_left_button_select( NULL, pci );
2381                 break;
2382             case ACTIONID_NAV_RIGHT:
2383 //                dvdnav_right_button_select( NULL, pci );
2384                 break;
2385             case ACTIONID_NAV_UP:
2386 //                dvdnav_upper_button_select( NULL, pci );
2387                 break;
2388             case ACTIONID_NAV_DOWN:
2389 //                dvdnav_lower_button_select( NULL, pci );
2390                 break;
2391             case ACTIONID_NAV_ACTIVATE:
2392                 b_activated = VLC_TRUE;
2393 //                dvdnav_button_activate( NULL, pci );
2394                 break;
2395             default:
2396                 break;
2397             }
2398             p_ev->b_key = VLC_FALSE;
2399             vlc_mutex_unlock( &p_ev->lock );
2400         }
2401
2402         /* MOUSE part */
2403         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2404         {
2405             vlc_value_t valx, valy;
2406
2407             vlc_mutex_lock( &p_ev->lock );
2408             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2409             var_Get( p_vout, "mouse-x", &valx );
2410             var_Get( p_vout, "mouse-y", &valy );
2411
2412             if( p_ev->b_clicked )
2413             {
2414                 int32_t button;
2415                 int32_t best,dist,d;
2416                 int32_t mx,my,dx,dy;
2417
2418                 b_activated = VLC_TRUE;
2419                 // get current button
2420                 best = 0;
2421                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2422                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++) 
2423                 {
2424                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2425
2426                     if((valx.i_int >= button_ptr->x_start) && (valx.i_int <= button_ptr->x_end) &&
2427                        (valy.i_int >= button_ptr->y_start) && (valy.i_int <= button_ptr->y_end)) 
2428                     {
2429                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2430                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2431                         dx = mx - valx.i_int;
2432                         dy = my - valy.i_int;
2433                         d = (dx*dx) + (dy*dy);
2434                         /* If the mouse is within the button and the mouse is closer
2435                         * to the center of this button then it is the best choice. */
2436                         if(d < dist) {
2437                             dist = d;
2438                             best = button;
2439                         }
2440                     }
2441                 }
2442
2443                 if ( best != 0)
2444                 {
2445                     btni_t button_ptr = pci->hli.btnit[best-1];
2446
2447                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2448                     vlc_mutex_unlock( &p_ev->lock );
2449                     vlc_mutex_lock( &p_sys->lock_demuxer );
2450
2451                     // process the button action
2452                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2453                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2454
2455                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2456
2457                     // select new button
2458                     if ( best != p_sys->i_curr_button )
2459                     {
2460                         vlc_value_t val;
2461
2462                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2463                         {
2464                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2465                             uint32_t i_palette;
2466
2467                             if(button_ptr.btn_coln != 0) {
2468                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2469                             } else {
2470                                 i_palette = 0;
2471                             }
2472                             p_sys->alpha[0] = i_palette      & 0x0f;
2473                             p_sys->alpha[1] = (i_palette>>4) & 0x0f;
2474                             p_sys->alpha[2] = (i_palette>>8) & 0x0f;
2475                             p_sys->alpha[3] = (i_palette>>12)& 0x0f;
2476
2477                             vlc_mutex_lock( p_mutex );
2478                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2479                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2480                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2481                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2482
2483                             val.p_address = (void *)p_sys->alpha;
2484                             var_Set( p_sys->p_input, "menu-contrast", val );
2485
2486                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2487                             vlc_mutex_unlock( p_mutex );
2488
2489                             p_sys->i_curr_button = best;
2490                         }
2491                     }
2492                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2493                     vlc_mutex_lock( &p_ev->lock );
2494                 }
2495             }
2496             else if( p_ev->b_moved )
2497             {
2498 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2499             }
2500
2501             p_ev->b_moved = VLC_FALSE;
2502             p_ev->b_clicked = VLC_FALSE;
2503             vlc_mutex_unlock( &p_ev->lock );
2504         }
2505
2506         /* VOUT part */
2507         if( p_vout && p_vout->b_die )
2508         {
2509             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2510             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2511             vlc_object_release( p_vout );
2512             p_vout = NULL;
2513         }
2514
2515         else if( p_vout == NULL )
2516         {
2517             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2518                                       FIND_CHILD );
2519             if( p_vout)
2520             {
2521                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2522                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2523             }
2524         }
2525
2526         /* Wait a bit, 10ms */
2527         msleep( 10000 );
2528     }
2529
2530     /* Release callback */
2531     if( p_vout )
2532     {
2533         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2534         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2535         vlc_object_release( p_vout );
2536     }
2537     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2538
2539     vlc_mutex_destroy( &p_ev->lock );
2540
2541     return VLC_SUCCESS;
2542 }
2543
2544 void matroska_segment_c::UnSelect( )
2545 {
2546     size_t i_track;
2547
2548     for( i_track = 0; i_track < tracks.size(); i_track++ )
2549     {
2550         if ( tracks[i_track]->p_es != NULL )
2551         {
2552             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2553             tracks[i_track]->p_es = NULL;
2554         }
2555     }
2556     delete ep;
2557     ep = NULL;
2558 }
2559
2560 void virtual_segment_c::PrepareChapters( )
2561 {
2562     if ( linked_segments.size() == 0 )
2563         return;
2564
2565     // !!! should be called only once !!!
2566     matroska_segment_c *p_segment;
2567     size_t i, j;
2568
2569     // copy editions from the first segment
2570     p_segment = linked_segments[0];
2571     p_editions = &p_segment->stored_editions;
2572
2573     for ( i=1 ; i<linked_segments.size(); i++ )
2574     {
2575         p_segment = linked_segments[i];
2576         // FIXME assume we have the same editions in all segments
2577         for (j=0; j<p_segment->stored_editions.size(); j++)
2578             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2579     }
2580 }
2581
2582 std::string chapter_edition_c::GetMainName() const
2583 {
2584     if ( sub_chapters.size() )
2585     {
2586         return sub_chapters[0]->GetCodecName( true );
2587     }
2588     return "";
2589 }
2590
2591 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2592 {
2593     // add support for meta-elements from codec like DVD Titles
2594     if ( !b_display_seekpoint || psz_name == "" )
2595     {
2596         psz_name = GetCodecName();
2597         if ( psz_name != "" )
2598             b_display_seekpoint = true;
2599     }
2600
2601     if (b_display_seekpoint)
2602     {
2603         seekpoint_t *sk = vlc_seekpoint_New();
2604
2605         sk->i_level = i_level;
2606         sk->i_time_offset = i_start_time;
2607         sk->psz_name = strdup( psz_name.c_str() );
2608
2609         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2610         title.i_seekpoint++;
2611         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2612         title.seekpoint[title.i_seekpoint-1] = sk;
2613
2614         if ( b_user_display )
2615             i_user_chapters++;
2616     }
2617
2618     for ( size_t i=0; i<sub_chapters.size() ; i++)
2619     {
2620         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2621     }
2622
2623     i_seekpoint_num = i_user_chapters;
2624
2625     return i_user_chapters;
2626 }
2627
2628 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2629 {
2630     demux_sys_t & sys = *demux.p_sys;
2631     chapter_item_c *psz_curr_chapter;
2632
2633     /* update current chapter/seekpoint */
2634     if ( p_editions->size() )
2635     {
2636         /* 1st, we need to know in which chapter we are */
2637         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts );
2638
2639         /* we have moved to a new chapter */
2640         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2641         {
2642             if ( (*p_editions)[i_current_edition]->b_ordered )
2643             {
2644                 // Leave/Enter up to the link point
2645                 if ( !psz_curr_chapter->EnterAndLeave( psz_current_chapter ) )
2646                 {
2647                     // only seek if necessary
2648                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2649                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2650                     psz_current_chapter = psz_curr_chapter;
2651                 }
2652             }
2653             else if ( psz_curr_chapter->i_seekpoint_num > 0 )
2654             {
2655                 demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2656                 demux.info.i_title = sys.i_current_title = i_sys_title;
2657                 demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2658                 psz_current_chapter = psz_curr_chapter;
2659             }
2660             else
2661             {
2662                 psz_current_chapter = psz_curr_chapter;
2663             }
2664
2665             return true;
2666         }
2667         else if (psz_curr_chapter == NULL)
2668         {
2669             // out of the scope of the data described by chapters, leave the edition
2670             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2671             {
2672                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter ) )
2673                     psz_current_chapter = NULL;
2674             }
2675         }
2676     }
2677     return false;
2678 }
2679
2680 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id, 
2681                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
2682                                     const void *p_cookie, 
2683                                     size_t i_cookie_size )
2684 {
2685     // FIXME don't assume it is the first edition
2686     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2687     if ( index != p_editions->end() )
2688     {
2689         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2690         if ( p_result != NULL )
2691             return p_result;
2692     }
2693     return NULL;
2694 }
2695
2696 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2697 {
2698     // FIXME don't assume it is the first edition
2699     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2700     if ( index != p_editions->end() )
2701     {
2702         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2703         if ( p_result != NULL )
2704             return p_result;
2705     }
2706     return NULL;
2707 }
2708
2709 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id, 
2710                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
2711                                     const void *p_cookie, 
2712                                     size_t i_cookie_size )
2713 {
2714     // this chapter
2715     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2716     while ( index != codecs.end() )
2717     {
2718         if ( match( **index ,p_cookie, i_cookie_size ) )
2719             return this;
2720         index++;
2721     }
2722     
2723     // sub-chapters
2724     chapter_item_c *p_result = NULL;
2725     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2726     while ( index2 != sub_chapters.end() )
2727     {
2728         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2729         if ( p_result != NULL )
2730             return p_result;
2731         index2++;
2732     }
2733     
2734     return p_result;
2735 }
2736
2737 void chapter_item_c::Append( const chapter_item_c & chapter )
2738 {
2739     // we are appending content for the same chapter UID
2740     size_t i;
2741     chapter_item_c *p_chapter;
2742
2743     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2744     {
2745         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2746         if ( p_chapter != NULL )
2747         {
2748             p_chapter->Append( *chapter.sub_chapters[i] );
2749         }
2750         else
2751         {
2752             sub_chapters.push_back( chapter.sub_chapters[i] );
2753         }
2754     }
2755
2756     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2757     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2758 }
2759
2760 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2761 {
2762     size_t i;
2763     chapter_item_c *p_result = NULL;
2764
2765     if ( i_uid == i_find_uid )
2766         return this;
2767
2768     for ( i=0; i<sub_chapters.size(); i++)
2769     {
2770         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2771         if ( p_result != NULL )
2772             break;
2773     }
2774     return p_result;
2775 }
2776
2777 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2778 {
2779     std::string result;
2780
2781     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2782     while ( index != codecs.end() )
2783     {
2784         result = (*index)->GetCodecName( f_for_title );
2785         if ( result != "" )
2786             break;
2787         index++;
2788     }
2789
2790     return result;
2791 }
2792
2793 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2794 {
2795     std::string result;
2796     if ( m_private_data.GetSize() >= 3)
2797     {
2798         const binary* p_data = m_private_data.GetBuffer();
2799 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2800         {
2801             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2802             char psz_str[11];
2803             sprintf( psz_str, " %d  ---", i_title );
2804             result = N_("---  DVD Title");
2805             result += psz_str;
2806         }
2807         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2808         {
2809             char psz_str[11];
2810             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2811             result = N_("---  DVD Menu");
2812             result += psz_str;
2813         }
2814         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2815         {
2816             if ( p_data[1] == 0x00 )
2817                 result = N_("First Played");
2818             else if ( p_data[1] == 0xC0 )
2819                 result = N_("Video Manager");
2820             else if ( p_data[1] == 0x80 )
2821             {
2822                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2823                 char psz_str[20];
2824                 sprintf( psz_str, " %d -----", i_title );
2825                 result = N_("----- Title");
2826                 result += psz_str;
2827             }
2828         }
2829     }
2830
2831     return result;
2832 }
2833
2834 int16 chapter_item_c::GetTitleNumber( ) const
2835 {
2836     int result = -1;
2837
2838     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2839     while ( index != codecs.end() )
2840     {
2841         result = (*index)->GetTitleNumber( );
2842         if ( result >= 0 )
2843             break;
2844         index++;
2845     }
2846
2847     return result;
2848 }
2849
2850 int16 dvd_chapter_codec_c::GetTitleNumber()
2851 {
2852     if ( m_private_data.GetSize() >= 3)
2853     {
2854         const binary* p_data = m_private_data.GetBuffer();
2855         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
2856         {
2857             return int16( (p_data[2] << 8) + p_data[3] );
2858         }
2859     }
2860     return -1;
2861 }
2862
2863 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
2864 {
2865     demux_sys_t        *p_sys = p_demux->p_sys;
2866     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
2867     matroska_segment_c *p_segment = p_vsegment->Segment();
2868     mtime_t            i_time_offset = 0;
2869
2870     int         i_index;
2871
2872     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
2873     if( i_date < 0 && f_percent < 0 )
2874     {
2875         msg_Warn( p_demux, "cannot seek nowhere !" );
2876         return;
2877     }
2878     if( f_percent > 1.0 )
2879     {
2880         msg_Warn( p_demux, "cannot seek so far !" );
2881         return;
2882     }
2883
2884     /* seek without index or without date */
2885     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
2886     {
2887         if (p_sys->f_duration >= 0)
2888         {
2889             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
2890         }
2891         else
2892         {
2893             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
2894
2895             msg_Dbg( p_demux, "inacurate way of seeking" );
2896             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
2897             {
2898                 if( p_segment->index[i_index].i_position >= i_pos)
2899                 {
2900                     break;
2901                 }
2902             }
2903             if( i_index == p_segment->i_index )
2904             {
2905                 i_index--;
2906             }
2907
2908             i_date = p_segment->index[i_index].i_time;
2909
2910 #if 0
2911             if( p_segment->index[i_index].i_position < i_pos )
2912             {
2913                 EbmlElement *el;
2914
2915                 msg_Warn( p_demux, "searching for cluster, could take some time" );
2916
2917                 /* search a cluster */
2918                 while( ( el = p_sys->ep->Get() ) != NULL )
2919                 {
2920                     if( MKV_IS_ID( el, KaxCluster ) )
2921                     {
2922                         KaxCluster *cluster = (KaxCluster*)el;
2923
2924                         /* add it to the index */
2925                         p_segment->IndexAppendCluster( cluster );
2926
2927                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
2928                         {
2929                             p_sys->cluster = cluster;
2930                             p_sys->ep->Down();
2931                             break;
2932                         }
2933                     }
2934                 }
2935             }
2936 #endif
2937         }
2938     }
2939
2940     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
2941 }
2942
2943 /*****************************************************************************
2944  * Demux: reads and demuxes data packets
2945  *****************************************************************************
2946  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
2947  *****************************************************************************/
2948 static int Demux( demux_t *p_demux)
2949 {
2950     demux_sys_t        *p_sys = p_demux->p_sys;
2951
2952     vlc_mutex_lock( &p_sys->lock_demuxer );
2953
2954     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
2955     matroska_segment_c *p_segment = p_vsegment->Segment();
2956     if ( p_segment == NULL ) return 0;
2957     int                i_block_count = 0;
2958     int                i_return = 0;
2959
2960     KaxBlock *block;
2961     int64_t i_block_duration;
2962     int64_t i_block_ref1;
2963     int64_t i_block_ref2;
2964
2965     for( ;; )
2966     {
2967         if ( p_sys->demuxer.b_die )
2968             break;
2969
2970         if( p_sys->i_pts >= p_sys->i_start_pts  )
2971             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
2972             {
2973                 i_return = 1;
2974                 break;
2975             }
2976         
2977         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
2978         {
2979             /* nothing left to read in this ordered edition */
2980             if ( !p_vsegment->SelectNext() )
2981                 break;
2982             p_segment->UnSelect( );
2983             
2984             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
2985
2986             /* switch to the next segment */
2987             p_segment = p_vsegment->Segment();
2988             if ( !p_segment->Select( 0 ) )
2989             {
2990                 msg_Err( p_demux, "Failed to select new segment" );
2991                 break;
2992             }
2993             continue;
2994         }
2995
2996
2997         if( p_segment->BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
2998         {
2999             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3000             {
3001                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3002                 // check if there are more chapters to read
3003                 if ( p_chap != NULL )
3004                 {
3005                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3006                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3007                         p_vsegment->SelectNext();
3008                     */
3009                     p_sys->i_pts = p_chap->i_user_end_time;
3010                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3011
3012                     i_return = 1;
3013                 }
3014
3015                 break;
3016             }
3017             msg_Warn( p_demux, "cannot get block EOF?" );
3018             p_segment->UnSelect( );
3019             
3020             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3021
3022             /* switch to the next segment */
3023             if ( !p_vsegment->SelectNext() )
3024                 // no more segments in this stream
3025                 break;
3026             p_segment = p_vsegment->Segment();
3027             if ( !p_segment->Select( 0 ) )
3028             {
3029                 msg_Err( p_demux, "Failed to select new segment" );
3030                 break;
3031             }
3032
3033             continue;
3034         }
3035
3036         p_sys->i_pts = p_sys->i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
3037
3038         if( p_sys->i_pts >= p_sys->i_start_pts  )
3039         {
3040             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3041         }
3042
3043         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration );
3044
3045         delete block;
3046         i_block_count++;
3047
3048         // TODO optimize when there is need to leave or when seeking has been called
3049         if( i_block_count > 5 )
3050         {
3051             i_return = 1;
3052             break;
3053         }
3054     }
3055
3056     vlc_mutex_unlock( &p_sys->lock_demuxer );
3057
3058     return i_return;
3059 }
3060
3061
3062
3063 /*****************************************************************************
3064  * Stream managment
3065  *****************************************************************************/
3066 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_ )
3067 {
3068     s = s_;
3069     mb_eof = VLC_FALSE;
3070 }
3071
3072 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3073 {
3074     if( i_size <= 0 || mb_eof )
3075     {
3076         return 0;
3077     }
3078
3079     return stream_Read( s, p_buffer, i_size );
3080 }
3081 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3082 {
3083     int64_t i_pos;
3084
3085     switch( mode )
3086     {
3087         case seek_beginning:
3088             i_pos = i_offset;
3089             break;
3090         case seek_end:
3091             i_pos = stream_Size( s ) - i_offset;
3092             break;
3093         default:
3094             i_pos= stream_Tell( s ) + i_offset;
3095             break;
3096     }
3097
3098     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3099     {
3100         mb_eof = VLC_TRUE;
3101         return;
3102     }
3103
3104     mb_eof = VLC_FALSE;
3105     if( stream_Seek( s, i_pos ) )
3106     {
3107         mb_eof = VLC_TRUE;
3108     }
3109     return;
3110 }
3111 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3112 {
3113     return 0;
3114 }
3115 uint64 vlc_stream_io_callback::getFilePointer( void )
3116 {
3117     return stream_Tell( s );
3118 }
3119 void vlc_stream_io_callback::close( void )
3120 {
3121     return;
3122 }
3123
3124
3125 /*****************************************************************************
3126  * Ebml Stream parser
3127  *****************************************************************************/
3128 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3129 {
3130     int i;
3131
3132     m_es = es;
3133     m_got = NULL;
3134     m_el[0] = el_start;
3135     mi_remain_size[0] = el_start->GetSize();
3136
3137     for( i = 1; i < 6; i++ )
3138     {
3139         m_el[i] = NULL;
3140     }
3141     mi_level = 1;
3142     mi_user_level = 1;
3143     mb_keep = VLC_FALSE;
3144     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3145 }
3146
3147 EbmlParser::~EbmlParser( void )
3148 {
3149     int i;
3150
3151     for( i = 1; i < mi_level; i++ )
3152     {
3153         if( !mb_keep )
3154         {
3155             delete m_el[i];
3156         }
3157         mb_keep = VLC_FALSE;
3158     }
3159 }
3160
3161 void EbmlParser::Up( void )
3162 {
3163     if( mi_user_level == mi_level )
3164     {
3165         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3166     }
3167
3168     mi_user_level--;
3169 }
3170
3171 void EbmlParser::Down( void )
3172 {
3173     mi_user_level++;
3174     mi_level++;
3175 }
3176
3177 void EbmlParser::Keep( void )
3178 {
3179     mb_keep = VLC_TRUE;
3180 }
3181
3182 int EbmlParser::GetLevel( void )
3183 {
3184     return mi_user_level;
3185 }
3186
3187 void EbmlParser::Reset( demux_t *p_demux )
3188 {
3189     while ( mi_level > 0)
3190     {
3191         delete m_el[mi_level];
3192         m_el[mi_level] = NULL;
3193         mi_level--;
3194     }
3195     mi_user_level = mi_level = 1;
3196 #if LIBEBML_VERSION >= 0x000704
3197     // a little faster and cleaner
3198     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3199 #else
3200     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3201 #endif
3202     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3203 }
3204
3205 EbmlElement *EbmlParser::Get( void )
3206 {
3207     int i_ulev = 0;
3208
3209     if( mi_user_level != mi_level )
3210     {
3211         return NULL;
3212     }
3213     if( m_got )
3214     {
3215         EbmlElement *ret = m_got;
3216         m_got = NULL;
3217
3218         return ret;
3219     }
3220
3221     if( m_el[mi_level] )
3222     {
3223         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3224         if( !mb_keep )
3225         {
3226             delete m_el[mi_level];
3227         }
3228         mb_keep = VLC_FALSE;
3229     }
3230
3231     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy, 1 );
3232 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3233     if( i_ulev > 0 )
3234     {
3235         while( i_ulev > 0 )
3236         {
3237             if( mi_level == 1 )
3238             {
3239                 mi_level = 0;
3240                 return NULL;
3241             }
3242
3243             delete m_el[mi_level - 1];
3244             m_got = m_el[mi_level -1] = m_el[mi_level];
3245             m_el[mi_level] = NULL;
3246
3247             mi_level--;
3248             i_ulev--;
3249         }
3250         return NULL;
3251     }
3252     else if( m_el[mi_level] == NULL )
3253     {
3254         fprintf( stderr," m_el[mi_level] == NULL\n" );
3255     }
3256
3257     return m_el[mi_level];
3258 }
3259
3260
3261 /*****************************************************************************
3262  * Tools
3263  *  * LoadCues : load the cues element and update index
3264  *
3265  *  * LoadTags : load ... the tags element
3266  *
3267  *  * InformationCreate : create all information, load tags if present
3268  *
3269  *****************************************************************************/
3270 void matroska_segment_c::LoadCues( )
3271 {
3272     int64_t     i_sav_position = es.I_O().getFilePointer();
3273     EbmlParser  *ep;
3274     EbmlElement *el, *cues;
3275
3276     /* *** Load the cue if found *** */
3277     if( i_cues_position < 0 )
3278     {
3279         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3280
3281 //        IndexAppendCluster( cluster );
3282     }
3283
3284     vlc_bool_t b_seekable;
3285
3286     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3287     if( !b_seekable )
3288         return;
3289
3290     msg_Dbg( &sys.demuxer, "loading cues" );
3291     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3292     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3293
3294     if( cues == NULL )
3295     {
3296         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3297         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3298         return;
3299     }
3300
3301     ep = new EbmlParser( &es, cues, &sys.demuxer );
3302     while( ( el = ep->Get() ) != NULL )
3303     {
3304         if( MKV_IS_ID( el, KaxCuePoint ) )
3305         {
3306 #define idx index[i_index]
3307
3308             idx.i_track       = -1;
3309             idx.i_block_number= -1;
3310             idx.i_position    = -1;
3311             idx.i_time        = 0;
3312             idx.b_key         = VLC_TRUE;
3313
3314             ep->Down();
3315             while( ( el = ep->Get() ) != NULL )
3316             {
3317                 if( MKV_IS_ID( el, KaxCueTime ) )
3318                 {
3319                     KaxCueTime &ctime = *(KaxCueTime*)el;
3320
3321                     ctime.ReadData( es.I_O() );
3322
3323                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3324                 }
3325                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3326                 {
3327                     ep->Down();
3328                     while( ( el = ep->Get() ) != NULL )
3329                     {
3330                         if( MKV_IS_ID( el, KaxCueTrack ) )
3331                         {
3332                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3333
3334                             ctrack.ReadData( es.I_O() );
3335                             idx.i_track = uint16( ctrack );
3336                         }
3337                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3338                         {
3339                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3340
3341                             ccpos.ReadData( es.I_O() );
3342                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3343                         }
3344                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3345                         {
3346                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3347
3348                             cbnum.ReadData( es.I_O() );
3349                             idx.i_block_number = uint32( cbnum );
3350                         }
3351                         else
3352                         {
3353                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3354                         }
3355                     }
3356                     ep->Up();
3357                 }
3358                 else
3359                 {
3360                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3361                 }
3362             }
3363             ep->Up();
3364
3365 #if 0
3366             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3367                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3368                      idx.i_track, idx.i_block_number );
3369 #endif
3370
3371             i_index++;
3372             if( i_index >= i_index_max )
3373             {
3374                 i_index_max += 1024;
3375                 index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
3376             }
3377 #undef idx
3378         }
3379         else
3380         {
3381             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3382         }
3383     }
3384     delete ep;
3385     delete cues;
3386
3387     b_cues = VLC_TRUE;
3388
3389     msg_Dbg( &sys.demuxer, "loading cues done." );
3390     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3391 }
3392
3393 void matroska_segment_c::LoadTags( )
3394 {
3395     int64_t     i_sav_position = es.I_O().getFilePointer();
3396     EbmlParser  *ep;
3397     EbmlElement *el, *tags;
3398
3399     msg_Dbg( &sys.demuxer, "loading tags" );
3400     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3401     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3402
3403     if( tags == NULL )
3404     {
3405         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3406         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3407         return;
3408     }
3409
3410     msg_Dbg( &sys.demuxer, "Tags" );
3411     ep = new EbmlParser( &es, tags, &sys.demuxer );
3412     while( ( el = ep->Get() ) != NULL )
3413     {
3414         if( MKV_IS_ID( el, KaxTag ) )
3415         {
3416             msg_Dbg( &sys.demuxer, "+ Tag" );
3417             ep->Down();
3418             while( ( el = ep->Get() ) != NULL )
3419             {
3420                 if( MKV_IS_ID( el, KaxTagTargets ) )
3421                 {
3422                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3423                     ep->Down();
3424                     while( ( el = ep->Get() ) != NULL )
3425                     {
3426                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3427                     }
3428                     ep->Up();
3429                 }
3430                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3431                 {
3432                     msg_Dbg( &sys.demuxer, "|   + General" );
3433                     ep->Down();
3434                     while( ( el = ep->Get() ) != NULL )
3435                     {
3436                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3437                     }
3438                     ep->Up();
3439                 }
3440                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3441                 {
3442                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3443                     ep->Down();
3444                     while( ( el = ep->Get() ) != NULL )
3445                     {
3446                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3447                     }
3448                     ep->Up();
3449                 }
3450                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3451                 {
3452                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3453                     ep->Down();
3454                     while( ( el = ep->Get() ) != NULL )
3455                     {
3456                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3457                     }
3458                     ep->Up();
3459                 }
3460                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3461                 {
3462                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3463                     ep->Down();
3464                     while( ( el = ep->Get() ) != NULL )
3465                     {
3466                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3467                     }
3468                     ep->Up();
3469                 }
3470                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3471                 {
3472                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3473                 }
3474                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3475                 {
3476                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3477                 }
3478                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3479                 {
3480                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3481                 }
3482                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3483                 {
3484                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3485                 }
3486                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3487                 {
3488                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3489                 }
3490                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3491                 {
3492                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3493                 }
3494                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3495                 {
3496                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3497                 }
3498                 else
3499                 {
3500                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3501                 }
3502             }
3503             ep->Up();
3504         }
3505         else
3506         {
3507             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3508         }
3509     }
3510     delete ep;
3511     delete tags;
3512
3513     msg_Dbg( &sys.demuxer, "loading tags done." );
3514     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3515 }
3516
3517 /*****************************************************************************
3518  * ParseSeekHead:
3519  *****************************************************************************/
3520 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3521 {
3522     EbmlElement *el;
3523     size_t i, j;
3524     int i_upper_level = 0;
3525
3526     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3527
3528     /* Master elements */
3529     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3530
3531     for( i = 0; i < seekhead->ListSize(); i++ )
3532     {
3533         EbmlElement *l = (*seekhead)[i];
3534
3535         if( MKV_IS_ID( l, KaxSeek ) )
3536         {
3537             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3538             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3539             int64_t i_pos = -1;
3540
3541             for( j = 0; j < sk->ListSize(); j++ )
3542             {
3543                 EbmlElement *l = (*sk)[j];
3544
3545                 if( MKV_IS_ID( l, KaxSeekID ) )
3546                 {
3547                     KaxSeekID &sid = *(KaxSeekID*)l;
3548                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3549                 }
3550                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3551                 {
3552                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3553                     i_pos = uint64( spos );
3554                 }
3555                 else
3556                 {
3557                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3558                 }
3559             }
3560
3561             if( i_pos >= 0 )
3562             {
3563                 if( id == KaxCues::ClassInfos.GlobalId )
3564                 {
3565                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3566                     i_cues_position = segment->GetGlobalPosition( i_pos );
3567                 }
3568                 else if( id == KaxChapters::ClassInfos.GlobalId )
3569                 {
3570                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3571                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3572                 }
3573                 else if( id == KaxTags::ClassInfos.GlobalId )
3574                 {
3575                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3576                     i_tags_position = segment->GetGlobalPosition( i_pos );
3577                 }
3578             }
3579         }
3580         else
3581         {
3582             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3583         }
3584     }
3585 }
3586
3587 /*****************************************************************************
3588  * ParseTrackEntry:
3589  *****************************************************************************/
3590 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3591 {
3592     size_t i, j, k, n;
3593
3594     mkv_track_t *tk;
3595
3596     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3597
3598     tk = new mkv_track_t();
3599     tracks.push_back( tk );
3600
3601     /* Init the track */
3602     memset( tk, 0, sizeof( mkv_track_t ) );
3603
3604     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3605     tk->fmt.psz_language = strdup("English");
3606     tk->fmt.psz_description = NULL;
3607
3608     tk->b_default = VLC_TRUE;
3609     tk->b_enabled = VLC_TRUE;
3610     tk->b_silent = VLC_FALSE;
3611     tk->i_number = tracks.size() - 1;
3612     tk->i_extra_data = 0;
3613     tk->p_extra_data = NULL;
3614     tk->psz_codec = NULL;
3615     tk->i_default_duration = 0;
3616     tk->f_timecodescale = 1.0;
3617
3618     tk->b_inited = VLC_FALSE;
3619     tk->i_data_init = 0;
3620     tk->p_data_init = NULL;
3621
3622     tk->psz_codec_name = NULL;
3623     tk->psz_codec_settings = NULL;
3624     tk->psz_codec_info_url = NULL;
3625     tk->psz_codec_download_url = NULL;
3626     
3627     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3628
3629     for( i = 0; i < m->ListSize(); i++ )
3630     {
3631         EbmlElement *l = (*m)[i];
3632
3633         if( MKV_IS_ID( l, KaxTrackNumber ) )
3634         {
3635             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3636
3637             tk->i_number = uint32( tnum );
3638             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3639         }
3640         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3641         {
3642             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3643
3644             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3645         }
3646         else  if( MKV_IS_ID( l, KaxTrackType ) )
3647         {
3648             char *psz_type;
3649             KaxTrackType &ttype = *(KaxTrackType*)l;
3650
3651             switch( uint8(ttype) )
3652             {
3653                 case track_audio:
3654                     psz_type = "audio";
3655                     tk->fmt.i_cat = AUDIO_ES;
3656                     break;
3657                 case track_video:
3658                     psz_type = "video";
3659                     tk->fmt.i_cat = VIDEO_ES;
3660                     break;
3661                 case track_subtitle:
3662                     psz_type = "subtitle";
3663                     tk->fmt.i_cat = SPU_ES;
3664                     break;
3665                 case track_buttons:
3666                     psz_type = "buttons";
3667                     tk->fmt.i_cat = SPU_ES;
3668                     break;
3669                 default:
3670                     psz_type = "unknown";
3671                     tk->fmt.i_cat = UNKNOWN_ES;
3672                     break;
3673             }
3674
3675             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3676         }
3677 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3678 //        {
3679 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3680
3681 //            tk->b_enabled = uint32( fenb );
3682 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3683 //                     uint32( fenb )  );
3684 //        }
3685         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3686         {
3687             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3688
3689             tk->b_default = uint32( fdef );
3690             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3691         }
3692         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3693         {
3694             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3695
3696             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3697         }
3698         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3699         {
3700             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3701
3702             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3703         }
3704         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3705         {
3706             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3707
3708             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3709         }
3710         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3711         {
3712             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3713
3714             tk->i_default_duration = uint64(defd);
3715             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3716         }
3717         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3718         {
3719             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3720
3721             tk->f_timecodescale = float( ttcs );
3722             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3723         }
3724         else if( MKV_IS_ID( l, KaxTrackName ) )
3725         {
3726             KaxTrackName &tname = *(KaxTrackName*)l;
3727
3728             tk->fmt.psz_description = UTF8ToStr( UTFstring( tname ) );
3729             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3730         }
3731         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3732         {
3733             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3734
3735             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3736             msg_Dbg( &sys.demuxer,
3737                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3738         }
3739         else  if( MKV_IS_ID( l, KaxCodecID ) )
3740         {
3741             KaxCodecID &codecid = *(KaxCodecID*)l;
3742
3743             tk->psz_codec = strdup( string( codecid ).c_str() );
3744             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3745         }
3746         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3747         {
3748             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
3749
3750             tk->i_extra_data = cpriv.GetSize();
3751             if( tk->i_extra_data > 0 )
3752             {
3753                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
3754                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
3755             }
3756             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
3757         }
3758         else if( MKV_IS_ID( l, KaxCodecName ) )
3759         {
3760             KaxCodecName &cname = *(KaxCodecName*)l;
3761
3762             tk->psz_codec_name = UTF8ToStr( UTFstring( cname ) );
3763             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
3764         }
3765         else if( MKV_IS_ID( l, KaxContentEncodings ) )
3766         {
3767             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
3768             MkvTree( sys.demuxer, 3, "Content Encodings" );
3769             for( j = 0; j < cencs->ListSize(); j++ )
3770             {
3771                 EbmlElement *l2 = (*cencs)[j];
3772                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
3773                 {
3774                     MkvTree( sys.demuxer, 4, "Content Encoding" );
3775                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
3776                     for( k = 0; k < cenc->ListSize(); k++ )
3777                     {
3778                         EbmlElement *l3 = (*cenc)[k];
3779                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
3780                         {
3781                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
3782                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
3783                         }
3784                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
3785                         {
3786                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
3787                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
3788                         }
3789                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
3790                         {
3791                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
3792                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
3793                         }
3794                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
3795                         {
3796                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
3797                             MkvTree( sys.demuxer, 5, "Content Compression" );
3798                             for( n = 0; n < compr->ListSize(); n++ )
3799                             {
3800                                 EbmlElement *l4 = (*compr)[n];
3801                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
3802                                 {
3803                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
3804                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
3805                                     if( uint32( compalg ) == 0 )
3806                                     {
3807                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
3808                                     }
3809                                 }
3810                                 else
3811                                 {
3812                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
3813                                 }
3814                             }
3815                         }
3816
3817                         else
3818                         {
3819                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
3820                         }
3821                     }
3822                     
3823                 }
3824                 else
3825                 {
3826                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
3827                 }
3828             }
3829                 
3830         }
3831 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
3832 //        {
3833 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
3834
3835 //            tk->psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
3836 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
3837 //        }
3838 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
3839 //        {
3840 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
3841
3842 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
3843 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
3844 //        }
3845 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
3846 //        {
3847 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
3848
3849 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
3850 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
3851 //        }
3852 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
3853 //        {
3854 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
3855
3856 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
3857 //        }
3858 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
3859 //        {
3860 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
3861
3862 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
3863 //        }
3864         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
3865         {
3866             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
3867             unsigned int j;
3868
3869             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
3870             tk->f_fps = 0.0;
3871
3872             for( j = 0; j < tkv->ListSize(); j++ )
3873             {
3874                 EbmlElement *l = (*tkv)[j];
3875 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
3876 //                {
3877 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
3878
3879 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
3880 //                }
3881 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
3882 //                {
3883 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
3884
3885 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
3886 //                }
3887 //                else
3888                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
3889                 {
3890                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
3891
3892                     tk->fmt.video.i_width = uint16( vwidth );
3893                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
3894                 }
3895                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
3896                 {
3897                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
3898
3899                     tk->fmt.video.i_height = uint16( vheight );
3900                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
3901                 }
3902                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
3903                 {
3904                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
3905
3906                     tk->fmt.video.i_visible_width = uint16( vwidth );
3907                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
3908                 }
3909                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
3910                 {
3911                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
3912
3913                     tk->fmt.video.i_visible_height = uint16( vheight );
3914                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
3915                 }
3916                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
3917                 {
3918                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
3919
3920                     tk->f_fps = float( vfps );
3921                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
3922                 }
3923 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
3924 //                {
3925 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
3926
3927 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
3928 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
3929 //                }
3930 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
3931 //                {
3932 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
3933
3934 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
3935 //                }
3936 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
3937 //                {
3938 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
3939
3940 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
3941 //                }
3942                 else
3943                 {
3944                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
3945                 }
3946             }
3947             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
3948                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
3949         }
3950         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
3951         {
3952             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
3953             unsigned int j;
3954
3955             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
3956
3957             for( j = 0; j < tka->ListSize(); j++ )
3958             {
3959                 EbmlElement *l = (*tka)[j];
3960
3961                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
3962                 {
3963                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
3964
3965                     tk->fmt.audio.i_rate = (int)float( afreq );
3966                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
3967                 }
3968                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
3969                 {
3970                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
3971
3972                     tk->fmt.audio.i_channels = uint8( achan );
3973                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
3974                 }
3975                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
3976                 {
3977                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
3978
3979                     tk->fmt.audio.i_bitspersample = uint8( abits );
3980                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
3981                 }
3982                 else
3983                 {
3984                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
3985                 }
3986             }
3987         }
3988         else
3989         {
3990             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
3991                      typeid(*l).name() );
3992         }
3993     }
3994 }
3995
3996 /*****************************************************************************
3997  * ParseTracks:
3998  *****************************************************************************/
3999 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4000 {
4001     EbmlElement *el;
4002     unsigned int i;
4003     int i_upper_level = 0;
4004
4005     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4006
4007     /* Master elements */
4008     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4009
4010     for( i = 0; i < tracks->ListSize(); i++ )
4011     {
4012         EbmlElement *l = (*tracks)[i];
4013
4014         if( MKV_IS_ID( l, KaxTrackEntry ) )
4015         {
4016             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4017         }
4018         else
4019         {
4020             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4021         }
4022     }
4023 }
4024
4025 /*****************************************************************************
4026  * ParseInfo:
4027  *****************************************************************************/
4028 void matroska_segment_c::ParseInfo( KaxInfo *info )
4029 {
4030     EbmlElement *el;
4031     EbmlMaster  *m;
4032     size_t i, j;
4033     int i_upper_level = 0;
4034
4035     msg_Dbg( &sys.demuxer, "|   + Information" );
4036
4037     /* Master elements */
4038     m = static_cast<EbmlMaster *>(info);
4039     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4040
4041     for( i = 0; i < m->ListSize(); i++ )
4042     {
4043         EbmlElement *l = (*m)[i];
4044
4045         if( MKV_IS_ID( l, KaxSegmentUID ) )
4046         {
4047             segment_uid = *(new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l)));
4048
4049             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)segment_uid.GetBuffer() );
4050         }
4051         else if( MKV_IS_ID( l, KaxPrevUID ) )
4052         {
4053             prev_segment_uid = *(new KaxPrevUID(*static_cast<KaxPrevUID*>(l)));
4054
4055             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)prev_segment_uid.GetBuffer() );
4056         }
4057         else if( MKV_IS_ID( l, KaxNextUID ) )
4058         {
4059             next_segment_uid = *(new KaxNextUID(*static_cast<KaxNextUID*>(l)));
4060
4061             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)next_segment_uid.GetBuffer() );
4062         }
4063         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4064         {
4065             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4066
4067             i_timescale = uint64(tcs);
4068
4069             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4070                      i_timescale );
4071         }
4072         else if( MKV_IS_ID( l, KaxDuration ) )
4073         {
4074             KaxDuration &dur = *(KaxDuration*)l;
4075
4076             i_duration = mtime_t( double( dur ) );
4077
4078             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4079                      i_duration );
4080         }
4081         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4082         {
4083             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4084
4085             psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
4086
4087             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4088                      psz_muxing_application );
4089         }
4090         else if( MKV_IS_ID( l, KaxWritingApp ) )
4091         {
4092             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4093
4094             psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
4095
4096             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4097                      psz_writing_application );
4098         }
4099         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4100         {
4101             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4102
4103             psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
4104
4105             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4106                      psz_segment_filename );
4107         }
4108         else if( MKV_IS_ID( l, KaxTitle ) )
4109         {
4110             KaxTitle &title = *(KaxTitle*)l;
4111
4112             psz_title = UTF8ToStr( UTFstring( title ) );
4113
4114             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4115         }
4116         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4117         {
4118             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4119
4120             families.push_back(*uid);
4121
4122             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4123         }
4124 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4125         else if( MKV_IS_ID( l, KaxDateUTC ) )
4126         {
4127             KaxDateUTC &date = *(KaxDateUTC*)l;
4128             time_t i_date;
4129             struct tm tmres;
4130             char   buffer[256];
4131
4132             i_date = date.GetEpochDate();
4133             memset( buffer, 0, 256 );
4134             if( gmtime_r( &i_date, &tmres ) &&
4135                 asctime_r( &tmres, buffer ) )
4136             {
4137                 buffer[strlen( buffer)-1]= '\0';
4138                 psz_date_utc = strdup( buffer );
4139                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4140             }
4141         }
4142 #endif
4143 #if LIBMATROSKA_VERSION >= 0x000704
4144         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4145         {
4146             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4147             chapter_translation_c translated;
4148
4149             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4150             for( j = 0; j < p_trans->ListSize(); j++ )
4151             {
4152                 EbmlElement *l = (*p_trans)[j];
4153
4154                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4155                 {
4156                     translated.editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4157                 }
4158                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4159                 {
4160                     translated.codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4161                 }
4162                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4163                 {
4164                     translated.translated = *( new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) ) );
4165                 }
4166             }
4167
4168             translations.push_back( translated );
4169         }
4170 #endif
4171         else
4172         {
4173             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4174         }
4175     }
4176
4177     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4178     i_duration = mtime_t(f_dur);
4179 }
4180
4181
4182 /*****************************************************************************
4183  * ParseChapterAtom
4184  *****************************************************************************/
4185 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4186 {
4187     size_t i, j;
4188
4189     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4190     for( i = 0; i < ca->ListSize(); i++ )
4191     {
4192         EbmlElement *l = (*ca)[i];
4193
4194         if( MKV_IS_ID( l, KaxChapterUID ) )
4195         {
4196             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4197             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4198         }
4199         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4200         {
4201             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4202             chapters.b_display_seekpoint = uint8( flag ) == 0;
4203
4204             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4205         }
4206         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4207         {
4208             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4209             chapters.i_start_time = uint64( start ) / I64C(1000);
4210
4211             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4212         }
4213         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4214         {
4215             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4216             chapters.i_end_time = uint64( end ) / I64C(1000);
4217
4218             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4219         }
4220         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4221         {
4222             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4223
4224             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4225             for( j = 0; j < cd->ListSize(); j++ )
4226             {
4227                 EbmlElement *l= (*cd)[j];
4228
4229                 if( MKV_IS_ID( l, KaxChapterString ) )
4230                 {
4231                     int k;
4232
4233                     KaxChapterString &name =*(KaxChapterString*)l;
4234                     for (k = 0; k < i_level; k++)
4235                         chapters.psz_name += '+';
4236                     chapters.psz_name += ' ';
4237                     chapters.psz_name += UTF8ToStr( UTFstring( name ) );
4238                     chapters.b_user_display = true;
4239
4240                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", UTF8ToStr(UTFstring(name)) );
4241                 }
4242                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4243                 {
4244                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4245                     const char *psz = string( lang ).c_str();
4246
4247                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4248                 }
4249                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4250                 {
4251                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4252                     const char *psz = string( ct ).c_str();
4253
4254                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4255                 }
4256             }
4257         }
4258         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4259         {
4260             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4261
4262             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4263             chapter_codec_cmds_c *p_ccodec = NULL;
4264
4265             for( j = 0; j < cp->ListSize(); j++ )
4266             {
4267                 EbmlElement *k= (*cp)[j];
4268
4269                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4270                 {
4271                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4272                     if ( uint32(*p_codec_id) == 0 )
4273                         p_ccodec = new matroska_script_codec_c( sys );
4274                     else if ( uint32(*p_codec_id) == 1 )
4275                         p_ccodec = new dvd_chapter_codec_c( sys );
4276                     break;
4277                 }
4278             }
4279
4280             if ( p_ccodec != NULL )
4281             {
4282                 for( j = 0; j < cp->ListSize(); j++ )
4283                 {
4284                     EbmlElement *k= (*cp)[j];
4285
4286                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4287                     {
4288                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4289                         p_ccodec->SetPrivate( *p_private );
4290                     }
4291                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4292                     {
4293                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4294                     }
4295                 }
4296                 chapters.codecs.push_back( p_ccodec );
4297             }
4298         }
4299         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4300         {
4301             chapter_item_c *new_sub_chapter = new chapter_item_c();
4302             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4303             new_sub_chapter->psz_parent = &chapters;
4304             chapters.sub_chapters.push_back( new_sub_chapter );
4305         }
4306     }
4307 }
4308
4309 /*****************************************************************************
4310  * ParseChapters:
4311  *****************************************************************************/
4312 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4313 {
4314     EbmlElement *el;
4315     size_t i;
4316     int i_upper_level = 0;
4317     mtime_t i_dur;
4318
4319     /* Master elements */
4320     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4321
4322     for( i = 0; i < chapters->ListSize(); i++ )
4323     {
4324         EbmlElement *l = (*chapters)[i];
4325
4326         if( MKV_IS_ID( l, KaxEditionEntry ) )
4327         {
4328             chapter_edition_c *p_edition = new chapter_edition_c();
4329             
4330             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4331             size_t j;
4332             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4333             for( j = 0; j < E->ListSize(); j++ )
4334             {
4335                 EbmlElement *l = (*E)[j];
4336
4337                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4338                 {
4339                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4340                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4341                     p_edition->sub_chapters.push_back( new_sub_chapter );
4342                 }
4343                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4344                 {
4345                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4346                 }
4347                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4348                 {
4349                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4350                 }
4351                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4352                 {
4353                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4354                         i_default_edition = stored_editions.size();
4355                 }
4356                 else
4357                 {
4358                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4359                 }
4360             }
4361             stored_editions.push_back( p_edition );
4362         }
4363         else
4364         {
4365             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4366         }
4367     }
4368
4369     for( i = 0; i < stored_editions.size(); i++ )
4370     {
4371         stored_editions[i]->RefreshChapters( );
4372     }
4373     
4374     if ( stored_editions[i_default_edition]->b_ordered )
4375     {
4376         /* update the duration of the segment according to the sum of all sub chapters */
4377         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4378         if (i_dur > 0)
4379             i_duration = i_dur;
4380     }
4381 }
4382
4383 void matroska_segment_c::ParseCluster( )
4384 {
4385     EbmlElement *el;
4386     EbmlMaster  *m;
4387     unsigned int i;
4388     int i_upper_level = 0;
4389
4390     /* Master elements */
4391     m = static_cast<EbmlMaster *>( cluster );
4392     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4393
4394     for( i = 0; i < m->ListSize(); i++ )
4395     {
4396         EbmlElement *l = (*m)[i];
4397
4398         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4399         {
4400             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4401
4402             cluster->InitTimecode( uint64( ctc ), i_timescale );
4403             break;
4404         }
4405     }
4406
4407     i_start_time = cluster->GlobalTimecode() / 1000;
4408 }
4409
4410 /*****************************************************************************
4411  * InformationCreate:
4412  *****************************************************************************/
4413 void matroska_segment_c::InformationCreate( )
4414 {
4415     size_t      i_track;
4416
4417     sys.meta = vlc_meta_New();
4418
4419     if( psz_title )
4420     {
4421         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4422     }
4423     if( psz_date_utc )
4424     {
4425         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4426     }
4427     if( psz_segment_filename )
4428     {
4429         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4430     }
4431     if( psz_muxing_application )
4432     {
4433         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4434     }
4435     if( psz_writing_application )
4436     {
4437         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4438     }
4439
4440     for( i_track = 0; i_track < tracks.size(); i_track++ )
4441     {
4442         mkv_track_t *tk = tracks[i_track];
4443         vlc_meta_t *mtk = vlc_meta_New();
4444
4445         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4446                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4447         sys.meta->track[sys.meta->i_track++] = mtk;
4448
4449         if( tk->fmt.psz_description )
4450         {
4451             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4452         }
4453         if( tk->psz_codec_name )
4454         {
4455             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4456         }
4457         if( tk->psz_codec_settings )
4458         {
4459             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4460         }
4461         if( tk->psz_codec_info_url )
4462         {
4463             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4464         }
4465         if( tk->psz_codec_download_url )
4466         {
4467             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4468         }
4469     }
4470
4471     if( i_tags_position >= 0 )
4472     {
4473         vlc_bool_t b_seekable;
4474
4475         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4476         if( b_seekable )
4477         {
4478             LoadTags( );
4479         }
4480     }
4481 }
4482
4483
4484 /*****************************************************************************
4485  * Divers
4486  *****************************************************************************/
4487
4488 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4489 {
4490 #define idx index[i_index]
4491     idx.i_track       = -1;
4492     idx.i_block_number= -1;
4493     idx.i_position    = cluster->GetElementPosition();
4494     idx.i_time        = -1;
4495     idx.b_key         = VLC_TRUE;
4496
4497     i_index++;
4498     if( i_index >= i_index_max )
4499     {
4500         i_index_max += 1024;
4501         index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
4502     }
4503 #undef idx
4504 }
4505
4506 static char * UTF8ToStr( const UTFstring &u )
4507 {
4508     int     i_src;
4509     const wchar_t *src;
4510     char *dst, *p;
4511
4512     i_src = u.length();
4513     src   = u.c_str();
4514
4515     p = dst = (char*)malloc( i_src + 1);
4516     while( i_src > 0 )
4517     {
4518         if( *src < 255 )
4519         {
4520             *p++ = (char)*src;
4521         }
4522         else
4523         {
4524             *p++ = '?';
4525         }
4526         src++;
4527         i_src--;
4528     }
4529     *p++= '\0';
4530
4531     return dst;
4532 }
4533
4534 void chapter_edition_c::RefreshChapters( )
4535 {
4536     chapter_item_c::RefreshChapters( b_ordered, -1 );
4537     b_display_seekpoint = false;
4538 }
4539
4540 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4541 {
4542     int64_t i_user_time = i_prev_user_time;
4543     
4544     // first the sub-chapters, and then ourself
4545     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4546     while ( index != sub_chapters.end() )
4547     {
4548         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4549         index++;
4550     }
4551
4552     if ( b_ordered )
4553     {
4554         // the ordered chapters always start at zero
4555         if ( i_prev_user_time == -1 )
4556         {
4557             if ( i_user_time == -1 )
4558                 i_user_time = 0;
4559             i_prev_user_time = 0;
4560         }
4561
4562         i_user_start_time = i_prev_user_time;
4563         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4564         {
4565             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4566         }
4567         else
4568         {
4569             i_user_end_time = i_user_time;
4570         }
4571     }
4572     else
4573     {
4574         std::sort( sub_chapters.begin(), sub_chapters.end() );
4575         i_user_start_time = i_start_time;
4576         if ( i_end_time != -1 )
4577             i_user_end_time = i_end_time;
4578         else if ( i_user_time != -1 )
4579             i_user_end_time = i_user_time;
4580         else
4581             i_user_end_time = i_user_start_time;
4582     }
4583
4584     return i_user_end_time;
4585 }
4586
4587 mtime_t chapter_edition_c::Duration() const
4588 {
4589     mtime_t i_result = 0;
4590     
4591     if ( sub_chapters.size() )
4592     {
4593         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4594         index--;
4595         i_result = (*index)->i_user_end_time;
4596     }
4597     
4598     return i_result;
4599 }
4600
4601 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode )
4602 {
4603     chapter_item_c *psz_result = NULL;
4604
4605     if ( i_user_timecode >= i_user_start_time && 
4606         ( i_user_timecode < i_user_end_time || 
4607           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4608     {
4609         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4610         while ( index != sub_chapters.end() && psz_result == NULL )
4611         {
4612             psz_result = (*index)->FindTimecode( i_user_timecode );
4613             index++;
4614         }
4615         
4616         if ( psz_result == NULL )
4617             psz_result = this;
4618     }
4619
4620     return psz_result;
4621 }
4622
4623 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4624 {
4625     if ( &item == this )
4626         return true;
4627
4628     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4629     while ( index != sub_chapters.end() )
4630     {
4631         if ( (*index)->ParentOf( item ) )
4632             return true;
4633         index++;
4634     }
4635
4636     return false;
4637 }
4638
4639 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4640 {
4641     for (size_t i=0; i<opened_segments.size(); i++)
4642     {
4643         opened_segments[i]->PreloadFamily( of_segment );
4644     }
4645 }
4646 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4647 {
4648     if ( b_preloaded )
4649         return false;
4650
4651     for (size_t i=0; i<families.size(); i++)
4652     {
4653         for (size_t j=0; j<of_segment.families.size(); j++)
4654         {
4655             if ( families[i] == of_segment.families[j] )
4656                 return Preload( );
4657         }
4658     }
4659
4660     return false;
4661 }
4662
4663 // preload all the linked segments for all preloaded segments
4664 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4665 {
4666     size_t i_preloaded, i, j;
4667     virtual_segment_c *p_seg;
4668
4669     p_current_segment = VirtualFromSegments( p_segment );
4670     
4671     used_segments.push_back( p_current_segment );
4672
4673     // create all the other virtual segments of the family
4674     do {
4675         i_preloaded = 0;
4676         for ( i=0; i< opened_segments.size(); i++ )
4677         {
4678             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4679             {
4680                 p_seg = VirtualFromSegments( opened_segments[i] );
4681                 used_segments.push_back( p_seg );
4682                 i_preloaded++;
4683             }
4684         }
4685     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4686
4687     // publish all editions of all usable segment
4688     for ( i=0; i< used_segments.size(); i++ )
4689     {
4690         p_seg = used_segments[i];
4691         if ( p_seg->p_editions != NULL )
4692         {
4693             std::string sz_name;
4694             input_title_t *p_title = vlc_input_title_New();
4695             p_seg->i_sys_title = i;
4696             int i_chapters;
4697
4698             // TODO use a name for each edition, let the TITLE deal with a codec name
4699             for ( j=0; j<p_seg->p_editions->size(); j++ )
4700             {
4701                 if ( p_title->psz_name == NULL )
4702                 {
4703                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4704                     if ( sz_name != "" )
4705                         p_title->psz_name = strdup( sz_name.c_str() );
4706                 }
4707
4708                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4709
4710                 i_chapters = 0;
4711                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4712             }
4713
4714             // create a name if there is none
4715             if ( p_title->psz_name == NULL )
4716             {
4717                 sz_name = N_("Segment ");
4718                 char psz_str[6];
4719                 sprintf( psz_str, "%d", i );
4720                 sz_name += psz_str;
4721                 p_title->psz_name = strdup( sz_name.c_str() );
4722             }
4723
4724             titles.push_back( *p_title );
4725         }
4726     }
4727
4728     // TODO decide which segment should be first used (VMG for DVD)
4729 }
4730
4731 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4732 {
4733     for ( size_t i=0; i< used_segments.size(); i++ )
4734     {
4735         if ( used_segments[i]->FindUID( segment.segment_uid ) )
4736             return true;
4737     }
4738     return false;
4739 }
4740
4741 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4742 {
4743     size_t i_preloaded, i;
4744
4745     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4746
4747     // fill our current virtual segment with all hard linked segments
4748     do {
4749         i_preloaded = 0;
4750         for ( i=0; i< opened_segments.size(); i++ )
4751         {
4752             i_preloaded += p_result->AddSegment( opened_segments[i] );
4753         }
4754     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4755
4756     p_result->Sort( );
4757
4758     p_result->PreloadLinked( );
4759
4760     p_result->PrepareChapters( );
4761
4762     return p_result;
4763 }
4764
4765 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
4766 {
4767     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
4768     {
4769         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
4770             p_current_segment->Segment()->UnSelect();
4771
4772         p_current_segment = p_new_segment;
4773         i_current_title = p_new_segment->i_sys_title;
4774     }
4775
4776     p_current_segment->LoadCues();
4777     f_duration = p_current_segment->Duration();
4778
4779     /* add information */
4780     p_current_segment->Segment()->InformationCreate( );
4781
4782     p_current_segment->Segment()->Select( 0 );
4783
4784     return true;
4785 }
4786
4787 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
4788 {
4789     EbmlBinary * p_itema = (EbmlBinary *)(&p_item_a->segment_uid);
4790     if ( *p_itema == p_item_b->prev_segment_uid )
4791         return true;
4792
4793     p_itema = (EbmlBinary *)(&p_item_a->next_segment_uid);
4794     if ( *p_itema == p_item_b->segment_uid )
4795         return true;
4796
4797     if ( *p_itema == p_item_b->prev_segment_uid )
4798         return true;
4799
4800     return false;
4801 }
4802
4803 bool matroska_segment_c::Preload( )
4804 {
4805     if ( b_preloaded )
4806         return false;
4807
4808     EbmlElement *el = NULL;
4809
4810     ep->Reset( &sys.demuxer );
4811
4812     while( ( el = ep->Get() ) != NULL )
4813     {
4814         if( MKV_IS_ID( el, KaxInfo ) )
4815         {
4816             ParseInfo( static_cast<KaxInfo*>( el ) );
4817         }
4818         else if( MKV_IS_ID( el, KaxTracks ) )
4819         {
4820             ParseTracks( static_cast<KaxTracks*>( el ) );
4821         }
4822         else if( MKV_IS_ID( el, KaxSeekHead ) )
4823         {
4824             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
4825         }
4826         else if( MKV_IS_ID( el, KaxCues ) )
4827         {
4828             msg_Dbg( &sys.demuxer, "|   + Cues" );
4829         }
4830         else if( MKV_IS_ID( el, KaxCluster ) )
4831         {
4832             msg_Dbg( &sys.demuxer, "|   + Cluster" );
4833
4834             cluster = (KaxCluster*)el;
4835
4836             i_start_pos = cluster->GetElementPosition();
4837             ParseCluster( );
4838
4839             ep->Down();
4840             /* stop parsing the stream */
4841             break;
4842         }
4843         else if( MKV_IS_ID( el, KaxAttachments ) )
4844         {
4845             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
4846         }
4847         else if( MKV_IS_ID( el, KaxChapters ) )
4848         {
4849             msg_Dbg( &sys.demuxer, "|   + Chapters" );
4850             ParseChapters( static_cast<KaxChapters*>( el ) );
4851         }
4852         else if( MKV_IS_ID( el, KaxTag ) )
4853         {
4854             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
4855         }
4856         else
4857         {
4858             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
4859         }
4860     }
4861
4862     b_preloaded = true;
4863
4864     return true;
4865 }
4866
4867 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
4868 {
4869     for (size_t i=0; i<opened_segments.size(); i++)
4870     {
4871         if ( opened_segments[i]->segment_uid == uid )
4872             return opened_segments[i];
4873     }
4874     return NULL;
4875 }
4876
4877 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id, 
4878                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
4879                                         const void *p_cookie, 
4880                                         size_t i_cookie_size, 
4881                                         virtual_segment_c * &p_segment_found )
4882 {
4883     chapter_item_c *p_result = NULL;
4884     for (size_t i=0; i<used_segments.size(); i++)
4885     {
4886         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
4887         if ( p_result != NULL )
4888         {
4889             p_segment_found = used_segments[i];
4890             break;
4891         }
4892     }
4893     return p_result;
4894 }
4895
4896 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
4897 {
4898     chapter_item_c *p_result = NULL;
4899     for (size_t i=0; i<used_segments.size(); i++)
4900     {
4901         p_result = used_segments[i]->FindChapter( i_find_uid );
4902         if ( p_result != NULL )
4903         {
4904             p_segment_found = used_segments[i];
4905             break;
4906         }
4907     }
4908     return p_result;
4909 }
4910
4911 void virtual_segment_c::Sort()
4912 {
4913     // keep the current segment index
4914     matroska_segment_c *p_segment = linked_segments[i_current_segment];
4915
4916     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
4917
4918     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
4919         if ( linked_segments[i_current_segment] == p_segment )
4920             break;
4921 }
4922
4923 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
4924 {
4925     size_t i;
4926     // check if it's not already in here
4927     for ( i=0; i<linked_segments.size(); i++ )
4928     {
4929         if ( p_segment->segment_uid == linked_segments[i]->segment_uid )
4930             return 0;
4931     }
4932
4933     // find possible mates
4934     for ( i=0; i<linked_uids.size(); i++ )
4935     {
4936         if (   p_segment->segment_uid == linked_uids[i] 
4937             || p_segment->prev_segment_uid == linked_uids[i] 
4938             || p_segment->next_segment_uid == linked_uids[i] )
4939         {
4940             linked_segments.push_back( p_segment );
4941
4942             AppendUID( p_segment->prev_segment_uid );
4943             AppendUID( p_segment->next_segment_uid );
4944
4945             return 1;
4946         }
4947     }
4948     return 0;
4949 }
4950
4951 void virtual_segment_c::PreloadLinked( )
4952 {
4953     for ( size_t i=0; i<linked_segments.size(); i++ )
4954     {
4955         linked_segments[i]->Preload( );
4956     }
4957     i_current_edition = linked_segments[0]->i_default_edition;
4958 }
4959
4960 mtime_t virtual_segment_c::Duration() const
4961 {
4962     mtime_t i_duration;
4963     if ( linked_segments.size() == 0 )
4964         i_duration = 0;
4965     else {
4966         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
4967 //        p_last_segment->ParseCluster( );
4968
4969         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
4970     }
4971     return i_duration;
4972 }
4973
4974 void virtual_segment_c::LoadCues( )
4975 {
4976     for ( size_t i=0; i<linked_segments.size(); i++ )
4977     {
4978         linked_segments[i]->LoadCues();
4979     }
4980 }
4981
4982 void virtual_segment_c::AppendUID( const EbmlBinary & UID )
4983 {
4984     if ( UID.GetBuffer() == NULL )
4985         return;
4986
4987     for (size_t i=0; i<linked_uids.size(); i++)
4988     {
4989         if ( UID == linked_uids[i] )
4990             return;
4991     }
4992     linked_uids.push_back( *(KaxSegmentUID*)(&UID) );
4993 }
4994
4995 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
4996 {
4997     KaxBlock    *block;
4998     int         i_track_skipping;
4999     int64_t     i_block_duration;
5000     int64_t     i_block_ref1;
5001     int64_t     i_block_ref2;
5002     size_t      i_track;
5003     int64_t     i_seek_position = i_start_pos;
5004     int64_t     i_seek_time = i_start_time;
5005
5006     if ( i_index > 0 )
5007     {
5008         int i_idx = 0;
5009
5010         for( ; i_idx < i_index; i_idx++ )
5011         {
5012             if( index[i_idx].i_time + i_time_offset > i_date )
5013             {
5014                 break;
5015             }
5016         }
5017
5018         if( i_idx > 0 )
5019         {
5020             i_idx--;
5021         }
5022
5023         i_seek_position = index[i_idx].i_position;
5024         i_seek_time = index[i_idx].i_time;
5025     }
5026
5027     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5028                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5029
5030     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5031
5032     delete ep;
5033     ep = new EbmlParser( &es, segment, &sys.demuxer );
5034     cluster = NULL;
5035
5036     sys.i_start_pts = i_date;
5037
5038     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5039
5040     /* now parse until key frame */
5041     i_track_skipping = 0;
5042     for( i_track = 0; i_track < tracks.size(); i_track++ )
5043     {
5044         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5045         {
5046             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5047             i_track_skipping++;
5048         }
5049         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5050     }
5051
5052
5053     while( i_track_skipping > 0 )
5054     {
5055         if( BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5056         {
5057             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5058
5059             return;
5060         }
5061
5062         for( i_track = 0; i_track < tracks.size(); i_track++ )
5063         {
5064             if( tracks[i_track]->i_number == block->TrackNum() )
5065             {
5066                 break;
5067             }
5068         }
5069
5070         sys.i_pts = sys.i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
5071
5072         if( i_track < tracks.size() )
5073         {
5074             if( sys.i_pts >= sys.i_start_pts )
5075             {
5076                 BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5077                 i_track_skipping = 0;
5078             }
5079             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5080             {
5081                 if( i_block_ref1 == -1 && tracks[i_track]->b_search_keyframe )
5082                 {
5083                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5084                     i_track_skipping--;
5085                 }
5086                 if( !tracks[i_track]->b_search_keyframe )
5087                 {
5088                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5089                 }
5090             } 
5091         }
5092
5093         delete block;
5094     }
5095 }
5096
5097 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5098 {
5099     demux_sys_t *p_sys = demuxer.p_sys;
5100     size_t i;
5101
5102     // find the actual time for an ordered edition
5103     if ( psz_chapter == NULL )
5104     {
5105         if ( Edition() && Edition()->b_ordered )
5106         {
5107             /* 1st, we need to know in which chapter we are */
5108             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date );
5109         }
5110     }
5111
5112     if ( psz_chapter != NULL )
5113     {
5114         psz_current_chapter = psz_chapter;
5115         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5116         if ( psz_chapter->i_seekpoint_num > 0 )
5117         {
5118             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5119             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5120             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5121         }
5122     }
5123
5124     // find the best matching segment
5125     for ( i=0; i<linked_segments.size(); i++ )
5126     {
5127         if ( i_date < linked_segments[i]->i_start_time )
5128             break;
5129     }
5130
5131     if ( i > 0 )
5132         i--;
5133
5134     if ( i_current_segment != i  )
5135     {
5136         linked_segments[i_current_segment]->UnSelect();
5137         linked_segments[i]->Select( i_date );
5138         i_current_segment = i;
5139     }
5140
5141     linked_segments[i]->Seek( i_date, i_time_offset );
5142 }
5143
5144 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5145 {
5146     size_t i;
5147
5148     uint32 codec_time = uint32(-1);
5149     for( i = 0; i < command.ListSize(); i++ )
5150     {
5151         const EbmlElement *k = command[i];
5152
5153         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5154         {
5155             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5156             break;
5157         }
5158     }
5159
5160     for( i = 0; i < command.ListSize(); i++ )
5161     {
5162         const EbmlElement *k = command[i];
5163
5164         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5165         {
5166             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5167             switch ( codec_time )
5168             {
5169             case 0:
5170                 during_cmds.push_back( *p_data );
5171                 break;
5172             case 1:
5173                 enter_cmds.push_back( *p_data );
5174                 break;
5175             case 2:
5176                 leave_cmds.push_back( *p_data );
5177                 break;
5178             default:
5179                 delete p_data;
5180             }
5181         }
5182     }
5183 }
5184
5185 bool chapter_item_c::Enter( bool b_do_subs )
5186 {
5187     bool f_result = false;
5188     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5189     while ( index != codecs.end() )
5190     {
5191         f_result |= (*index)->Enter();
5192         index++;
5193     }
5194
5195     if ( b_do_subs )
5196     {
5197         // sub chapters
5198         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5199         while ( index_ != sub_chapters.end() )
5200         {
5201             f_result |= (*index_)->Enter( true );
5202             index_++;
5203         }
5204     }
5205     return f_result;
5206 }
5207
5208 bool chapter_item_c::Leave( bool b_do_subs )
5209 {
5210     bool f_result = false;
5211     b_is_leaving = true;
5212     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5213     while ( index != codecs.end() )
5214     {
5215         f_result |= (*index)->Leave();
5216         index++;
5217     }
5218
5219     if ( b_do_subs )
5220     {
5221         // sub chapters
5222         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5223         while ( index_ != sub_chapters.end() )
5224         {
5225             f_result |= (*index_)->Leave( true );
5226             index_++;
5227         }
5228     }
5229     b_is_leaving = false;
5230     return f_result;
5231 }
5232
5233 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item )
5234 {
5235     chapter_item_c *p_common_parent = p_item;
5236
5237     // leave, up to a common parent
5238     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5239     {
5240         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5241             return true;
5242         p_common_parent = p_common_parent->psz_parent;
5243     }
5244
5245     // enter from the parent to <this>
5246     if ( p_common_parent != NULL )
5247     {
5248         do
5249         {
5250             if ( p_common_parent == this )
5251                 return Enter( true );
5252
5253             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5254             {
5255                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5256                 {
5257                     p_common_parent = p_common_parent->sub_chapters[i];
5258                     if ( p_common_parent != this )
5259                         if ( p_common_parent->Enter( false ) )
5260                             return true;
5261
5262                     break;
5263                 }
5264             }
5265         } while ( 1 );
5266     }
5267
5268     return Enter( true );
5269 }
5270
5271 bool dvd_chapter_codec_c::Enter()
5272 {
5273     bool f_result = false;
5274     std::vector<KaxChapterProcessData>::iterator index = enter_cmds.begin();
5275     while ( index != enter_cmds.end() )
5276     {
5277         if ( (*index).GetSize() )
5278         {
5279             binary *p_data = (*index).GetBuffer();
5280             size_t i_size = *p_data++;
5281             // avoid reading too much from the buffer
5282             i_size = min( i_size, ((*index).GetSize() - 1) >> 3 );
5283             for ( ; i_size > 0; i_size--, p_data += 8 )
5284             {
5285                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5286                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5287             }
5288         }
5289         index++;
5290     }
5291     return f_result;
5292 }
5293
5294 bool dvd_chapter_codec_c::Leave()
5295 {
5296     bool f_result = false;
5297     std::vector<KaxChapterProcessData>::iterator index = leave_cmds.begin();
5298     while ( index != leave_cmds.end() )
5299     {
5300         if ( (*index).GetSize() )
5301         {
5302             binary *p_data = (*index).GetBuffer();
5303             size_t i_size = *p_data++;
5304             // avoid reading too much from the buffer
5305             i_size = min( i_size, ((*index).GetSize() - 1) >> 3 );
5306             for ( ; i_size > 0; i_size--, p_data += 8 )
5307             {
5308                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5309                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5310             }
5311         }
5312         index++;
5313     }
5314     return f_result;
5315 }
5316
5317 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5318 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5319 {
5320     if ( i_size != 8 )
5321         return false;
5322
5323     virtual_segment_c *p_segment;
5324     chapter_item_c *p_chapter;
5325     bool f_result = false;
5326     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5327
5328     // handle register tests if there are some
5329     if ( (i_command & 0xF0) != 0 )
5330     {
5331         bool b_test_positive = (i_command & CMD_DVD_IF_NOT) == 0;
5332         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5333         uint8 i_test = i_command & 0x70;
5334         uint16 i_value;
5335
5336         if ( b_test_value )
5337             i_value = ( p_command[4] << 8 ) + p_command[5];
5338         else
5339             i_value = GetPRM( p_command[7] );
5340
5341         switch ( i_test )
5342         {
5343         case CMD_DVD_IF_GPREG_EQUAL:
5344             // if equals
5345             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5346             if (!( GetPRM( p_command[3] ) == i_value ))
5347             {
5348                 b_test_positive = !b_test_positive;
5349             }
5350             break;
5351         case CMD_DVD_IF_GPREG_INF:
5352             // if inferior
5353             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5354             if (!( GetPRM( p_command[3] ) < i_value ))
5355             {
5356                 b_test_positive = !b_test_positive;
5357             }
5358             break;
5359         case CMD_DVD_IF_GPREG_AND:
5360             // if logical and
5361             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5362             if (!( GetPRM( p_command[3] ) & i_value ))
5363             {
5364                 b_test_positive = !b_test_positive;
5365             }
5366             break;
5367         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5368             // if superior or equal
5369             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5370             if (!( GetPRM( p_command[3] ) >= i_value ))
5371             {
5372                 b_test_positive = !b_test_positive;
5373             }
5374             break;
5375         }
5376
5377         if ( !b_test_positive )
5378             return false;
5379     }
5380     
5381     // strip the test command
5382     i_command &= 0xFF0F;
5383     
5384     switch ( i_command )
5385     {
5386     case CMD_DVD_NOP:
5387     case CMD_DVD_NOP2:
5388         {
5389             msg_Dbg( &sys.demuxer, "NOP" );
5390             break;
5391         }
5392     case CMD_DVD_BREAK:
5393         {
5394             msg_Dbg( &sys.demuxer, "Break" );
5395             // TODO
5396             break;
5397         }
5398     case CMD_DVD_JUMP_TT:
5399         {
5400             uint8 i_title = p_command[5];
5401             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5402
5403             // find in the ChapProcessPrivate matching this Title level
5404             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5405             if ( p_chapter != NULL )
5406             {
5407                 // if the segment is not part of the current segment, select the new one
5408                 if ( p_segment != sys.p_current_segment )
5409                 {
5410                     sys.PreparePlayback( p_segment );
5411                 }
5412     
5413                 // jump to the location in the found segment
5414                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, NULL );
5415                 p_chapter->Enter( true );
5416                 
5417                 f_result = true;
5418             }
5419
5420             break;
5421         }
5422     case CMD_DVD_CALLSS_VTSM1:
5423         {
5424             msg_Dbg( &sys.demuxer, "CallSS VTSM" );
5425             switch( (p_command[6] & 0xC0) >> 6 ) {
5426                 case 0:
5427                     switch ( p_command[5] )
5428                     {
5429                     case 0x00:
5430                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[5]);
5431                         break;
5432                     case 0x82:
5433                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[5]);
5434                         break;
5435                     case 0x83:
5436                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[5]);
5437                         break;
5438                     case 0x84:
5439                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[5]);
5440                         break;
5441                     case 0x85:
5442                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[5]);
5443                         break;
5444                     case 0x86:
5445                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[5]);
5446                         break;
5447                     case 0x87:
5448                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[5]);
5449                         break;
5450                     default:
5451                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[5]);
5452                         break;
5453                     }
5454                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_command[5], 1, p_segment );
5455                     if ( p_chapter != NULL )
5456                     {
5457                         // if the segment is not part of the current segment, select the new one
5458                         if ( p_segment != sys.p_current_segment )
5459                         {
5460                             sys.PreparePlayback( p_segment );
5461                         }
5462             
5463                         p_chapter->Enter( true );
5464                         
5465                         // jump to the location in the found segment
5466                         p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5467                         f_result = true;
5468                     }
5469                 break;
5470                 case 1:
5471                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
5472                 break;
5473                 case 2:
5474                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
5475                 break;
5476                 case 3:
5477                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[3] << 8) + p_command[4], p_command[5]);
5478                 break;
5479             }
5480             break;
5481         }
5482     case CMD_DVD_JUMPVTS_PTT:
5483         {
5484             uint8 i_title = p_command[5];
5485             uint8 i_ptt = p_command[3];
5486
5487             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5488
5489             // find the current VTS content segment
5490             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5491             if ( p_chapter != NULL )
5492             {
5493                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5494                 if ( i_curr_title > 0 )
5495                 {
5496                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5497
5498                     if ( p_chapter != NULL )
5499                     {
5500                         // find the title in the VTS
5501                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5502                         if ( p_chapter != NULL )
5503                         {
5504                             // find the chapter in the title
5505                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5506                             if ( p_chapter != NULL )
5507                             {
5508                                 // if the segment is not part of the current segment, select the new one
5509                                 if ( p_segment != sys.p_current_segment )
5510                                 {
5511                                     sys.PreparePlayback( p_segment );
5512                                 }
5513                     
5514                                 p_chapter->Enter( true );
5515                                 
5516                                 // jump to the location in the found segment
5517                                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5518                                 f_result = true;
5519                             }
5520                         }
5521                     else
5522                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5523                     }
5524                     else
5525                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5526                 }
5527                 else
5528                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5529             }
5530             else
5531                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5532             break;
5533         }
5534     case CMD_DVD_SET_GPRMMD:
5535         {
5536             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5537             
5538             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5539                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5540             break;
5541         }
5542     case CMD_DVD_LINKPGCN:
5543         {
5544             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5545             
5546             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5547             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5548             if ( p_chapter != NULL )
5549             {
5550                 p_chapter->Enter( true );
5551                 
5552                 // jump to the location in the found segment
5553                 sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5554                 f_result = true;
5555             }
5556             break;
5557         }
5558     case CMD_DVD_LINKCN:
5559         {
5560             uint8 i_cn = p_command[7];
5561             
5562             p_chapter = sys.p_current_segment->CurrentChapter();
5563
5564             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5565             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5566             if ( p_chapter != NULL )
5567             {
5568                 p_chapter->Enter( true );
5569                 
5570                 // jump to the location in the found segment
5571                 sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5572                 f_result = true;
5573             }
5574             break;
5575         }
5576     case CMD_DVD_GOTO_LINE:
5577         {
5578             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5579             // TODO
5580             break;
5581         }
5582     default:
5583         {
5584             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5585                      ,p_command[0]
5586                      ,p_command[1]
5587                      ,p_command[2]
5588                      ,p_command[3]
5589                      ,p_command[4]
5590                      ,p_command[5]
5591                      ,p_command[6]
5592                      ,p_command[7]);
5593             break;
5594         }
5595     }
5596
5597     return f_result;
5598 }
5599
5600 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5601 {
5602     return ( data.m_private_data.GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
5603 }
5604
5605 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5606 {
5607     if ( i_cookie_size != 2 || data.m_private_data.GetSize() < 4 )
5608         return false;
5609     
5610     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.m_private_data.GetBuffer()[1] != 0x80 )
5611         return false;
5612
5613     uint16 i_gtitle = (data.m_private_data.GetBuffer()[2] << 8 ) + data.m_private_data.GetBuffer()[3];
5614     uint16 i_title = *(uint16*)p_cookie;
5615
5616     return (i_gtitle == i_title);
5617 }
5618
5619 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5620 {
5621     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 4 )
5622         return false;
5623     
5624     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
5625         return false;
5626
5627     uint16 i_gtitle = (data.m_private_data.GetBuffer()[1] << 8 ) + data.m_private_data.GetBuffer()[2];
5628     uint8 i_title = *(uint8*)p_cookie;
5629
5630     return (i_gtitle == i_title);
5631 }
5632
5633 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5634 {
5635     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 8 )
5636         return false;
5637     
5638     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
5639         return false;
5640
5641     uint8 i_pgc_type = data.m_private_data.GetBuffer()[3];
5642     uint8 i_pgc = *(uint8*)p_cookie;
5643
5644     return (i_pgc_type == i_pgc);
5645 }
5646
5647 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5648 {
5649     if ( i_cookie_size != 2 || data.m_private_data.GetSize() < 8 )
5650         return false;
5651     
5652     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
5653         return false;
5654
5655     uint16 *i_pgc_n = (uint16 *)p_cookie;
5656     uint16 i_pgc_num = (data.m_private_data.GetBuffer()[1] << 8) + data.m_private_data.GetBuffer()[2];
5657
5658     return (i_pgc_num == *i_pgc_n);
5659 }
5660
5661 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5662 {
5663     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 2 )
5664         return false;
5665     
5666     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
5667         return false;
5668
5669     uint8 i_chapter = data.m_private_data.GetBuffer()[1];
5670     uint8 i_ptt = *(uint8*)p_cookie;
5671
5672     return (i_chapter == i_ptt);
5673 }
5674
5675 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5676 {
5677     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 5 )
5678         return false;
5679     
5680     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
5681         return false;
5682
5683     uint8 *i_cell_n = (uint8 *)p_cookie;
5684     uint8 i_cell_num = data.m_private_data.GetBuffer()[3];
5685
5686     return (i_cell_num == *i_cell_n);
5687 }
5688
5689 bool matroska_script_codec_c::Enter()
5690 {
5691     bool f_result = false;
5692     std::vector<KaxChapterProcessData>::iterator index = enter_cmds.begin();
5693     while ( index != enter_cmds.end() )
5694     {
5695         if ( (*index).GetSize() )
5696         {
5697             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
5698             f_result |= interpretor.Interpret( (*index).GetBuffer(), (*index).GetSize() );
5699         }
5700         index++;
5701     }
5702     return f_result;
5703 }
5704
5705 bool matroska_script_codec_c::Leave()
5706 {
5707     bool f_result = false;
5708     std::vector<KaxChapterProcessData>::iterator index = leave_cmds.begin();
5709     while ( index != leave_cmds.end() )
5710     {
5711         if ( (*index).GetSize() )
5712         {
5713             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
5714             f_result |= interpretor.Interpret( (*index).GetBuffer(), (*index).GetSize() );
5715         }
5716         index++;
5717     }
5718     return f_result;
5719 }
5720
5721 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript 
5722 //  for a description of existing commands
5723 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5724 {
5725     bool b_result = false;
5726
5727     char *psz_str = (char*) malloc( i_size + 1 );
5728     memcpy( psz_str, p_command, i_size );
5729     psz_str[ i_size ] = '\0';
5730
5731     std::string sz_command = psz_str;
5732     free( psz_str );
5733
5734     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
5735
5736 #if defined(__GNUC__) && (__GNUC__ < 3)
5737     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
5738 #else
5739     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
5740 #endif
5741     {
5742         size_t i,j;
5743
5744         // find the (
5745         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
5746         {
5747             if ( sz_command[i] == '(' )
5748             {
5749                 i++;
5750                 break;
5751             }
5752         }
5753         // find the )
5754         for ( j=i; j<sz_command.size(); j++)
5755         {
5756             if ( sz_command[j] == ')' )
5757             {
5758                 i--;
5759                 break;
5760             }
5761         }
5762
5763         std::string st = sz_command.substr( i+1, j-i-1 );
5764         int64_t i_chapter_uid = atoi( st.c_str() );
5765
5766         virtual_segment_c *p_segment;
5767         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
5768
5769         if ( p_chapter == NULL )
5770             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
5771         else
5772         {
5773             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
5774                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5775             b_result = true;
5776         }
5777     }
5778
5779     return b_result;
5780 }
5781
5782 void demux_sys_t::SwapButtons()
5783 {
5784 #ifndef WORDS_BIGENDIAN
5785     uint8_t button, i, j;
5786
5787     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
5788         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
5789         binary *p_data = (binary*) button_ptr;
5790
5791         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
5792         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
5793         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
5794         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
5795         button_ptr->x_start = i_x_start;
5796         button_ptr->x_end   = i_x_end;
5797         button_ptr->y_start = i_y_start;
5798         button_ptr->y_end   = i_y_end;
5799
5800     }
5801     for ( i = 0; i<3; i++ )
5802     {
5803         for ( j = 0; j<2; j++ )
5804         {
5805             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
5806         }
5807     }
5808 #endif
5809 }