]> git.sesse.net Git - vlc/blob - modules/demux/mkv.cpp
mkv.cpp: start the UI hook a bit later
[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         ,p_ev(NULL)
1236     {
1237         vlc_mutex_init( &demuxer, &lock_demuxer );
1238     }
1239
1240     virtual ~demux_sys_t()
1241     {
1242         StopUiThread();
1243         size_t i;
1244         for ( i=0; i<streams.size(); i++ )
1245             delete streams[i];
1246         for ( i=0; i<opened_segments.size(); i++ )
1247             delete opened_segments[i];
1248         for ( i=0; i<used_segments.size(); i++ )
1249             delete used_segments[i];
1250         vlc_mutex_destroy( &lock_demuxer );
1251     }
1252
1253     /* current data */
1254     demux_t                 & demuxer;
1255
1256     mtime_t                 i_pts;
1257     mtime_t                 i_start_pts;
1258     mtime_t                 i_chapter_time;
1259
1260     vlc_meta_t              *meta;
1261
1262     std::vector<input_title_t>       titles; // matroska editions
1263     size_t                           i_current_title;
1264
1265     std::vector<matroska_stream_c*>  streams;
1266     std::vector<matroska_segment_c*> opened_segments;
1267     std::vector<virtual_segment_c*>  used_segments;
1268     virtual_segment_c                *p_current_segment;
1269
1270     dvd_command_interpretor_c        dvd_interpretor;
1271
1272     /* duration of the stream */
1273     float                   f_duration;
1274
1275     matroska_segment_c *FindSegment( const EbmlBinary & uid ) const;
1276     chapter_item_c *BrowseCodecPrivate( unsigned int codec_id, 
1277                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
1278                                         const void *p_cookie, 
1279                                         size_t i_cookie_size, 
1280                                         virtual_segment_c * & p_segment_found );
1281     chapter_item_c *FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found );
1282
1283     void PreloadFamily( const matroska_segment_c & of_segment );
1284     void PreloadLinked( matroska_segment_c *p_segment );
1285     bool PreparePlayback( virtual_segment_c *p_new_segment );
1286     matroska_stream_c *AnalyseAllSegmentsFound( EbmlStream *p_estream );
1287
1288     void StartUiThread();
1289     void StopUiThread();
1290     bool b_ui_hooked;
1291     inline void SwapButtons();
1292
1293     /* for spu variables */
1294     input_thread_t *p_input;
1295     pci_t          pci_packet;
1296     bool           b_pci_packet_set;
1297     uint8_t        alpha[4];
1298     vlc_mutex_t    lock_demuxer;
1299
1300     /* event */
1301     event_thread_t *p_ev;
1302     static int EventThread( vlc_object_t *p_this );
1303     static int EventMouse( vlc_object_t *p_this, char const *psz_var,
1304                        vlc_value_t oldval, vlc_value_t newval, void *p_data );
1305     static int EventKey( vlc_object_t *p_this, char const *psz_var,
1306                      vlc_value_t oldval, vlc_value_t newval, void *p_data );
1307
1308
1309
1310 protected:
1311     virtual_segment_c *VirtualFromSegments( matroska_segment_c *p_segment ) const;
1312     bool IsUsedSegment( matroska_segment_c &p_segment ) const;
1313 };
1314
1315 static int  Demux  ( demux_t * );
1316 static int  Control( demux_t *, int, va_list );
1317 static void Seek   ( demux_t *, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter );
1318
1319 #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
1320
1321 static char *UTF8ToStr          ( const UTFstring &u );
1322
1323 /*****************************************************************************
1324  * Open: initializes matroska demux structures
1325  *****************************************************************************/
1326 static int Open( vlc_object_t * p_this )
1327 {
1328     demux_t            *p_demux = (demux_t*)p_this;
1329     demux_sys_t        *p_sys;
1330     matroska_stream_c  *p_stream;
1331     matroska_segment_c *p_segment;
1332     uint8_t            *p_peek;
1333     std::string        s_path, s_filename;
1334     vlc_stream_io_callback *p_io_callback;
1335     EbmlStream         *p_io_stream;
1336
1337     /* peek the begining */
1338     if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 ) return VLC_EGENERIC;
1339
1340     /* is a valid file */
1341     if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
1342         p_peek[2] != 0xdf || p_peek[3] != 0xa3 ) return VLC_EGENERIC;
1343
1344     /* Set the demux function */
1345     p_demux->pf_demux   = Demux;
1346     p_demux->pf_control = Control;
1347     p_demux->p_sys      = p_sys = new demux_sys_t( *p_demux );
1348
1349     p_io_callback = new vlc_stream_io_callback( p_demux->s );
1350     p_io_stream = new EbmlStream( *p_io_callback );
1351
1352     if( p_io_stream == NULL )
1353     {
1354         msg_Err( p_demux, "failed to create EbmlStream" );
1355         delete p_io_callback;
1356         delete p_sys;
1357         return VLC_EGENERIC;
1358     }
1359
1360     p_stream = p_sys->AnalyseAllSegmentsFound( p_io_stream );
1361     if( p_stream == NULL )
1362     {
1363         msg_Err( p_demux, "cannot find KaxSegment" );
1364         goto error;
1365     }
1366     p_sys->streams.push_back( p_stream );
1367
1368     p_stream->p_in = p_io_callback;
1369     p_stream->p_es = p_io_stream;
1370
1371     for (size_t i=0; i<p_stream->segments.size(); i++)
1372     {
1373         p_stream->segments[i]->Preload();
1374     }
1375
1376     p_segment = p_stream->segments[0];
1377     if( p_segment->cluster != NULL )
1378     {
1379         msg_Warn( p_demux, "cannot find any cluster, damaged file ?" );
1380
1381         // reset the stream reading to the first cluster of the segment used
1382         p_stream->p_in->setFilePointer( p_segment->cluster->GetElementPosition() );
1383     }
1384
1385     /* get the files from the same dir from the same family (based on p_demux->psz_path) */
1386     if (p_demux->psz_path[0] != '\0' && !strcmp(p_demux->psz_access, ""))
1387     {
1388         // assume it's a regular file
1389         // get the directory path
1390         s_path = p_demux->psz_path;
1391         if (s_path.at(s_path.length() - 1) == DIRECTORY_SEPARATOR)
1392         {
1393             s_path = s_path.substr(0,s_path.length()-1);
1394         }
1395         else
1396         {
1397             if (s_path.find_last_of(DIRECTORY_SEPARATOR) > 0) 
1398             {
1399                 s_path = s_path.substr(0,s_path.find_last_of(DIRECTORY_SEPARATOR));
1400             }
1401         }
1402
1403         struct dirent *p_file_item;
1404         DIR *p_src_dir = opendir(s_path.c_str());
1405
1406         if (p_src_dir != NULL)
1407         {
1408             while ((p_file_item = (dirent *) readdir(p_src_dir)))
1409             {
1410                 if (strlen(p_file_item->d_name) > 4)
1411                 {
1412                     s_filename = s_path + DIRECTORY_SEPARATOR + p_file_item->d_name;
1413
1414                     if (!s_filename.compare(p_demux->psz_path))
1415                         continue; // don't reuse the original opened file
1416
1417 #if defined(__GNUC__) && (__GNUC__ < 3)
1418                     if (!s_filename.compare("mkv", s_filename.length() - 3, 3) || 
1419                         !s_filename.compare("mka", s_filename.length() - 3, 3))
1420 #else
1421                     if (!s_filename.compare(s_filename.length() - 3, 3, "mkv") || 
1422                         !s_filename.compare(s_filename.length() - 3, 3, "mka"))
1423 #endif
1424                     {
1425                         // test wether this file belongs to the our family
1426                         StdIOCallback *p_file_io = new StdIOCallback(s_filename.c_str(), MODE_READ);
1427                         EbmlStream *p_estream = new EbmlStream(*p_file_io);
1428
1429                         p_stream = p_sys->AnalyseAllSegmentsFound( p_estream );
1430                         if ( p_stream == NULL )
1431                         {
1432                             msg_Dbg( p_demux, "the file '%s' will not be used", s_filename.c_str() );
1433                             delete p_estream;
1434                             delete p_file_io;
1435                         }
1436                         else
1437                         {
1438                             p_stream->p_in = p_file_io;
1439                             p_stream->p_es = p_estream;
1440                             p_sys->streams.push_back( p_stream );
1441                         }
1442                     }
1443                 }
1444             }
1445             closedir( p_src_dir );
1446         }
1447     }
1448
1449     p_sys->PreloadFamily( *p_segment );
1450     p_sys->PreloadLinked( p_segment );
1451     if ( !p_sys->PreparePlayback( NULL ) )
1452     {
1453         msg_Err( p_demux, "cannot use the segment" );
1454         goto error;
1455     }
1456
1457     p_sys->StartUiThread();
1458     
1459     return VLC_SUCCESS;
1460
1461 error:
1462     delete p_sys;
1463     return VLC_EGENERIC;
1464 }
1465
1466 /*****************************************************************************
1467  * Close: frees unused data
1468  *****************************************************************************/
1469 static void Close( vlc_object_t *p_this )
1470 {
1471     demux_t     *p_demux = (demux_t*)p_this;
1472     demux_sys_t *p_sys   = p_demux->p_sys;
1473
1474     delete p_sys;
1475 }
1476
1477 /*****************************************************************************
1478  * Control:
1479  *****************************************************************************/
1480 static int Control( demux_t *p_demux, int i_query, va_list args )
1481 {
1482     demux_sys_t        *p_sys = p_demux->p_sys;
1483     int64_t     *pi64;
1484     double      *pf, f;
1485     int         i_skp;
1486     size_t      i_idx;
1487
1488     vlc_meta_t **pp_meta;
1489
1490     switch( i_query )
1491     {
1492         case DEMUX_GET_META:
1493             pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
1494             *pp_meta = vlc_meta_Duplicate( p_sys->meta );
1495             return VLC_SUCCESS;
1496
1497         case DEMUX_GET_LENGTH:
1498             pi64 = (int64_t*)va_arg( args, int64_t * );
1499             if( p_sys->f_duration > 0.0 )
1500             {
1501                 *pi64 = (int64_t)(p_sys->f_duration * 1000);
1502                 return VLC_SUCCESS;
1503             }
1504             return VLC_EGENERIC;
1505
1506         case DEMUX_GET_POSITION:
1507             pf = (double*)va_arg( args, double * );
1508             if ( p_sys->f_duration > 0.0 )
1509                 *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);
1510             return VLC_SUCCESS;
1511
1512         case DEMUX_SET_POSITION:
1513             f = (double)va_arg( args, double );
1514             Seek( p_demux, -1, f, NULL );
1515             return VLC_SUCCESS;
1516
1517         case DEMUX_GET_TIME:
1518             pi64 = (int64_t*)va_arg( args, int64_t * );
1519             *pi64 = p_sys->i_pts;
1520             return VLC_SUCCESS;
1521
1522         case DEMUX_GET_TITLE_INFO:
1523             if( p_sys->titles.size() )
1524             {
1525                 input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
1526                 int *pi_int    = (int*)va_arg( args, int* );
1527
1528                 *pi_int = p_sys->titles.size();
1529                 *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) * p_sys->titles.size() );
1530
1531                 for( size_t i = 0; i < p_sys->titles.size(); i++ )
1532                 {
1533                     (*ppp_title)[i] = vlc_input_title_Duplicate( &p_sys->titles[i] );
1534                 }
1535
1536                 return VLC_SUCCESS;
1537             }
1538             return VLC_EGENERIC;
1539
1540         case DEMUX_SET_TITLE:
1541             /* TODO handle editions as titles */
1542             i_idx = (int)va_arg( args, int );
1543             if( i_idx < p_sys->used_segments.size() )
1544             {
1545                 p_sys->PreparePlayback( p_sys->used_segments[i_idx] );
1546                 return VLC_SUCCESS;
1547             }
1548             return VLC_EGENERIC;
1549
1550         case DEMUX_SET_SEEKPOINT:
1551             i_skp = (int)va_arg( args, int );
1552
1553             // TODO change the way it works with the << & >> buttons on the UI (+1/-1 instead of a number)
1554             if( p_sys->titles.size() && i_skp < p_sys->titles[p_sys->i_current_title].i_seekpoint)
1555             {
1556                 Seek( p_demux, (int64_t)p_sys->titles[p_sys->i_current_title].seekpoint[i_skp]->i_time_offset, -1, NULL);
1557                 p_demux->info.i_seekpoint |= INPUT_UPDATE_SEEKPOINT;
1558                 p_demux->info.i_seekpoint = i_skp;
1559                 return VLC_SUCCESS;
1560             }
1561             return VLC_EGENERIC;
1562
1563         case DEMUX_SET_TIME:
1564         case DEMUX_GET_FPS:
1565         default:
1566             return VLC_EGENERIC;
1567     }
1568 }
1569
1570 int matroska_segment_c::BlockGet( KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
1571 {
1572     *pp_block = NULL;
1573     *pi_ref1  = -1;
1574     *pi_ref2  = -1;
1575
1576     for( ;; )
1577     {
1578         EbmlElement *el;
1579         int         i_level;
1580
1581         if ( ep == NULL )
1582             return VLC_EGENERIC;
1583
1584         el = ep->Get();
1585         i_level = ep->GetLevel();
1586
1587         if( el == NULL && *pp_block != NULL )
1588         {
1589             /* update the index */
1590 #define idx index[i_index - 1]
1591             if( i_index > 0 && idx.i_time == -1 )
1592             {
1593                 idx.i_time        = (*pp_block)->GlobalTimecode() / (mtime_t)1000;
1594                 idx.b_key         = *pi_ref1 == -1 ? VLC_TRUE : VLC_FALSE;
1595             }
1596 #undef idx
1597             return VLC_SUCCESS;
1598         }
1599
1600         if( el == NULL )
1601         {
1602             if( ep->GetLevel() > 1 )
1603             {
1604                 ep->Up();
1605                 continue;
1606             }
1607             msg_Warn( &sys.demuxer, "EOF" );
1608             return VLC_EGENERIC;
1609         }
1610
1611         /* do parsing */
1612         switch ( i_level )
1613         {
1614         case 1:
1615             if( MKV_IS_ID( el, KaxCluster ) )
1616             {
1617                 cluster = (KaxCluster*)el;
1618
1619                 /* add it to the index */
1620                 if( i_index == 0 ||
1621                     ( i_index > 0 && index[i_index - 1].i_position < (int64_t)cluster->GetElementPosition() ) )
1622                 {
1623                     IndexAppendCluster( cluster );
1624                 }
1625
1626                 // reset silent tracks
1627                 for (size_t i=0; i<tracks.size(); i++)
1628                 {
1629                     tracks[i]->b_silent = VLC_FALSE;
1630                 }
1631
1632                 ep->Down();
1633             }
1634             else if( MKV_IS_ID( el, KaxCues ) )
1635             {
1636                 msg_Warn( &sys.demuxer, "find KaxCues FIXME" );
1637                 return VLC_EGENERIC;
1638             }
1639             else
1640             {
1641                 msg_Dbg( &sys.demuxer, "unknown (%s)", typeid( el ).name() );
1642             }
1643             break;
1644         case 2:
1645             if( MKV_IS_ID( el, KaxClusterTimecode ) )
1646             {
1647                 KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
1648
1649                 ctc.ReadData( es.I_O(), SCOPE_ALL_DATA );
1650                 cluster->InitTimecode( uint64( ctc ), i_timescale );
1651             }
1652             else if( MKV_IS_ID( el, KaxClusterSilentTracks ) )
1653             {
1654                 ep->Down();
1655             }
1656             else if( MKV_IS_ID( el, KaxBlockGroup ) )
1657             {
1658                 ep->Down();
1659             }
1660             break;
1661         case 3:
1662             if( MKV_IS_ID( el, KaxBlock ) )
1663             {
1664                 *pp_block = (KaxBlock*)el;
1665
1666                 (*pp_block)->ReadData( es.I_O() );
1667                 (*pp_block)->SetParent( *cluster );
1668
1669                 ep->Keep();
1670             }
1671             else if( MKV_IS_ID( el, KaxBlockDuration ) )
1672             {
1673                 KaxBlockDuration &dur = *(KaxBlockDuration*)el;
1674
1675                 dur.ReadData( es.I_O() );
1676                 *pi_duration = uint64( dur );
1677             }
1678             else if( MKV_IS_ID( el, KaxReferenceBlock ) )
1679             {
1680                 KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
1681
1682                 ref.ReadData( es.I_O() );
1683                 if( *pi_ref1 == -1 )
1684                 {
1685                     *pi_ref1 = int64( ref );
1686                 }
1687                 else
1688                 {
1689                     *pi_ref2 = int64( ref );
1690                 }
1691             }
1692             else if( MKV_IS_ID( el, KaxClusterSilentTrackNumber ) )
1693             {
1694                 KaxClusterSilentTrackNumber &track_num = *(KaxClusterSilentTrackNumber*)el;
1695                 track_num.ReadData( es.I_O() );
1696                 // find the track
1697                 for (size_t i=0; i<tracks.size(); i++)
1698                 {
1699                     if ( tracks[i]->i_number == uint32(track_num))
1700                     {
1701                         tracks[i]->b_silent = VLC_TRUE;
1702                         break;
1703                     }
1704                 }
1705             }
1706             break;
1707         default:
1708             msg_Err( &sys.demuxer, "invalid level = %d", i_level );
1709             return VLC_EGENERIC;
1710         }
1711     }
1712 }
1713
1714 static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
1715 {
1716     block_t *p_block;
1717     if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
1718     memcpy( p_block->p_buffer, p_mem, i_mem );
1719     //p_block->i_rate = p_input->stream.control.i_rate;
1720     return p_block;
1721 }
1722
1723 static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
1724                          mtime_t i_duration )
1725 {
1726     demux_sys_t        *p_sys = p_demux->p_sys;
1727     matroska_segment_c *p_segment = p_sys->p_current_segment->Segment();
1728
1729     size_t          i_track;
1730     unsigned int    i;
1731     vlc_bool_t      b;
1732
1733 #define tk  p_segment->tracks[i_track]
1734     for( i_track = 0; i_track < p_segment->tracks.size(); i_track++ )
1735     {
1736         if( tk->i_number == block->TrackNum() )
1737         {
1738             break;
1739         }
1740     }
1741
1742     if( i_track >= p_segment->tracks.size() )
1743     {
1744         msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
1745         return;
1746     }
1747     if( tk->p_es == NULL )
1748     {
1749         msg_Err( p_demux, "unknown track number=%d", block->TrackNum() );
1750         return;
1751     }
1752     if( i_pts < p_sys->i_start_pts && tk->fmt.i_cat == AUDIO_ES )
1753     {
1754         return; /* discard audio packets that shouldn't be rendered */
1755     }
1756
1757     if ( tk->fmt.i_cat != SPU_ES || strcmp( tk->psz_codec, "B_VOBBTN" ) )
1758     {
1759         es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk->p_es, &b );
1760
1761         if( !b )
1762         {
1763             tk->b_inited = VLC_FALSE;
1764             return;
1765         }
1766     }
1767
1768
1769     /* First send init data */
1770     if( !tk->b_inited && tk->i_data_init > 0 )
1771     {
1772         block_t *p_init;
1773
1774         msg_Dbg( p_demux, "sending header (%d bytes)", tk->i_data_init );
1775         p_init = MemToBlock( p_demux, tk->p_data_init, tk->i_data_init );
1776         if( p_init ) es_out_Send( p_demux->out, tk->p_es, p_init );
1777     }
1778     tk->b_inited = VLC_TRUE;
1779
1780
1781     for( i = 0; i < block->NumberFrames(); i++ )
1782     {
1783         block_t *p_block;
1784         DataBuffer &data = block->GetBuffer(i);
1785
1786         p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
1787
1788         if( p_block == NULL )
1789         {
1790             break;
1791         }
1792
1793 #if defined(HAVE_ZLIB_H)
1794         if( tk->i_compression_type )
1795         {
1796             p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
1797         }
1798 #endif
1799
1800         // TODO implement correct timestamping when B frames are used
1801         if( tk->fmt.i_cat != VIDEO_ES )
1802         {
1803             p_block->i_dts = p_block->i_pts = i_pts;
1804         }
1805         else
1806         {
1807             p_block->i_dts = i_pts;
1808             p_block->i_pts = 0;
1809         }
1810
1811         if ( tk->fmt.i_cat == SPU_ES )
1812         {
1813             if ( !strcmp( tk->psz_codec, "B_VOBBTN" ) )
1814             {
1815                 // TODO handle the start/stop times of this packet
1816                 if ( p_sys->b_ui_hooked )
1817                 {
1818                     vlc_mutex_lock( &p_sys->p_ev->lock );
1819                     memcpy( &p_sys->pci_packet, &p_block->p_buffer[1], sizeof(pci_t) );
1820                     p_sys->SwapButtons();
1821                     p_sys->b_pci_packet_set = true;
1822                     vlc_mutex_unlock( &p_sys->p_ev->lock );
1823                     block_Release( p_block );
1824                 }
1825                 return;
1826             }
1827
1828             else if ( strcmp( tk->psz_codec, "S_VOBSUB" ) )
1829             {
1830                 p_block->i_length = i_duration * 1000;
1831             }
1832         }
1833
1834         es_out_Send( p_demux->out, tk->p_es, p_block );
1835
1836         /* use time stamp only for first block */
1837         i_pts = 0;
1838     }
1839
1840 #undef tk
1841 }
1842
1843 matroska_stream_c *demux_sys_t::AnalyseAllSegmentsFound( EbmlStream *p_estream )
1844 {
1845     int i_upper_lvl = 0;
1846     size_t i;
1847     EbmlElement *p_l0, *p_l1, *p_l2;
1848     bool b_keep_stream = false, b_keep_segment;
1849
1850     // verify the EBML Header
1851     p_l0 = p_estream->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
1852     if (p_l0 == NULL)
1853     {
1854         return NULL;
1855     }
1856     p_l0->SkipData(*p_estream, EbmlHead_Context);
1857     delete p_l0;
1858
1859     // find all segments in this file
1860     p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1861     if (p_l0 == NULL)
1862     {
1863         return NULL;
1864     }
1865
1866     matroska_stream_c *p_stream1 = new matroska_stream_c( *this );
1867
1868     while (p_l0 != 0)
1869     {
1870         if (EbmlId(*p_l0) == KaxSegment::ClassInfos.GlobalId)
1871         {
1872             EbmlParser  *ep;
1873             matroska_segment_c *p_segment1 = new matroska_segment_c( *this, *p_estream );
1874             b_keep_segment = false;
1875
1876             ep = new EbmlParser(p_estream, p_l0, &demuxer );
1877             p_segment1->ep = ep;
1878             p_segment1->segment = (KaxSegment*)p_l0;
1879
1880             while ((p_l1 = ep->Get()))
1881             {
1882                 if (MKV_IS_ID(p_l1, KaxInfo))
1883                 {
1884                     // find the families of this segment
1885                     KaxInfo *p_info = static_cast<KaxInfo*>(p_l1);
1886
1887                     p_info->Read(*p_estream, KaxInfo::ClassInfos.Context, i_upper_lvl, p_l2, true);
1888                     for( i = 0; i < p_info->ListSize(); i++ )
1889                     {
1890                         EbmlElement *l = (*p_info)[i];
1891
1892                         if( MKV_IS_ID( l, KaxSegmentUID ) )
1893                         {
1894                             KaxSegmentUID *p_uid = static_cast<KaxSegmentUID*>(l);
1895                             b_keep_segment = (FindSegment( *p_uid ) == NULL);
1896                             if ( !b_keep_segment )
1897                                 break; // this segment is already known
1898                             opened_segments.push_back( p_segment1 );
1899                             p_segment1->segment_uid = *( new KaxSegmentUID(*p_uid) );
1900                         }
1901                         else if( MKV_IS_ID( l, KaxPrevUID ) )
1902                         {
1903                             p_segment1->prev_segment_uid = *( new KaxPrevUID( *static_cast<KaxPrevUID*>(l) ) );
1904                         }
1905                         else if( MKV_IS_ID( l, KaxNextUID ) )
1906                         {
1907                             p_segment1->next_segment_uid = *( new KaxNextUID( *static_cast<KaxNextUID*>(l) ) );
1908                         }
1909                         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
1910                         {
1911                             KaxSegmentFamily *p_fam = new KaxSegmentFamily( *static_cast<KaxSegmentFamily*>(l) );
1912                             p_segment1->families.push_back( *p_fam );
1913                         }
1914                     }
1915                     break;
1916                 }
1917             }
1918             if ( b_keep_segment )
1919             {
1920                 b_keep_stream = true;
1921                 p_stream1->segments.push_back( p_segment1 );
1922             }
1923             else
1924                 delete p_segment1;
1925         }
1926
1927         p_l0->SkipData(*p_estream, EbmlHead_Context);
1928         p_l0 = p_estream->FindNextID(KaxSegment::ClassInfos, 0xFFFFFFFFL);
1929     }
1930
1931     if ( !b_keep_stream )
1932     {
1933         delete p_stream1;
1934         p_stream1 = NULL;
1935     }
1936
1937     return p_stream1;
1938 }
1939
1940 bool matroska_segment_c::Select( mtime_t i_start_time )
1941 {
1942     size_t i_track;
1943
1944     /* add all es */
1945     msg_Dbg( &sys.demuxer, "found %d es", tracks.size() );
1946     sys.b_pci_packet_set = false;
1947
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         if ( !p_sys->b_pci_packet_set )
2348         {
2349             /* Wait 100ms */
2350             msleep( 100000 );
2351             continue;
2352         }
2353
2354         vlc_bool_t b_activated = VLC_FALSE;
2355
2356         /* KEY part */
2357         if( p_ev->b_key )
2358         {
2359             vlc_value_t valk;
2360             struct vlc_t::hotkey *p_hotkeys = p_ev->p_vlc->p_hotkeys;
2361             int i, i_action = -1;
2362
2363             vlc_mutex_lock( &p_ev->lock );
2364
2365             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2366
2367             var_Get( p_ev->p_vlc, "key-pressed", &valk );
2368             for( i = 0; p_hotkeys[i].psz_action != NULL; i++ )
2369             {
2370                 if( p_hotkeys[i].i_key == valk.i_int )
2371                 {
2372                     i_action = p_hotkeys[i].i_action;
2373                 }
2374             }
2375
2376             uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2377
2378             switch( i_action )
2379             {
2380             case ACTIONID_NAV_LEFT:
2381                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2382                 {
2383                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2384                     if ( p_button_ptr->left > 0 && p_button_ptr->left <= pci->hli.hl_gi.btn_ns )
2385                     {
2386                         i_curr_button = p_button_ptr->left;
2387                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2388                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2389                         if ( button_ptr.auto_action_mode )
2390                         {
2391                             vlc_mutex_unlock( &p_ev->lock );
2392                             vlc_mutex_lock( &p_sys->lock_demuxer );
2393
2394                             // process the button action
2395                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2396
2397                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2398                             vlc_mutex_lock( &p_ev->lock );
2399                         }
2400                     }
2401                 }
2402                 break;
2403             case ACTIONID_NAV_RIGHT:
2404                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2405                 {
2406                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2407                     if ( p_button_ptr->right > 0 && p_button_ptr->right <= pci->hli.hl_gi.btn_ns )
2408                     {
2409                         i_curr_button = p_button_ptr->right;
2410                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2411                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2412                         if ( button_ptr.auto_action_mode )
2413                         {
2414                             vlc_mutex_unlock( &p_ev->lock );
2415                             vlc_mutex_lock( &p_sys->lock_demuxer );
2416
2417                             // process the button action
2418                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2419
2420                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2421                             vlc_mutex_lock( &p_ev->lock );
2422                         }
2423                     }
2424                 }
2425                 break;
2426             case ACTIONID_NAV_UP:
2427                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2428                 {
2429                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2430                     if ( p_button_ptr->up > 0 && p_button_ptr->up <= pci->hli.hl_gi.btn_ns )
2431                     {
2432                         i_curr_button = p_button_ptr->up;
2433                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2434                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2435                         if ( button_ptr.auto_action_mode )
2436                         {
2437                             vlc_mutex_unlock( &p_ev->lock );
2438                             vlc_mutex_lock( &p_sys->lock_demuxer );
2439
2440                             // process the button action
2441                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2442
2443                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2444                             vlc_mutex_lock( &p_ev->lock );
2445                         }
2446                     }
2447                 }
2448                 break;
2449             case ACTIONID_NAV_DOWN:
2450                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2451                 {
2452                     btni_t *p_button_ptr = &(pci->hli.btnit[i_curr_button-1]);
2453                     if ( p_button_ptr->down > 0 && p_button_ptr->down <= pci->hli.hl_gi.btn_ns )
2454                     {
2455                         i_curr_button = p_button_ptr->down;
2456                         p_sys->dvd_interpretor.SetSPRM( 0x88, i_curr_button );
2457                         btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2458                         if ( button_ptr.auto_action_mode )
2459                         {
2460                             vlc_mutex_unlock( &p_ev->lock );
2461                             vlc_mutex_lock( &p_sys->lock_demuxer );
2462
2463                             // process the button action
2464                             p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2465
2466                             vlc_mutex_unlock( &p_sys->lock_demuxer );
2467                             vlc_mutex_lock( &p_ev->lock );
2468                         }
2469                     }
2470                 }
2471                 break;
2472             case ACTIONID_NAV_ACTIVATE:
2473                 b_activated = VLC_TRUE;
2474         
2475                 if ( i_curr_button > 0 && i_curr_button <= pci->hli.hl_gi.btn_ns )
2476                 {
2477                     btni_t button_ptr = pci->hli.btnit[i_curr_button-1];
2478
2479                     vlc_mutex_unlock( &p_ev->lock );
2480                     vlc_mutex_lock( &p_sys->lock_demuxer );
2481
2482                     // process the button action
2483                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2484
2485                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2486                     vlc_mutex_lock( &p_ev->lock );
2487                 }
2488                 break;
2489             default:
2490                 break;
2491             }
2492             p_ev->b_key = VLC_FALSE;
2493             vlc_mutex_unlock( &p_ev->lock );
2494         }
2495
2496         /* MOUSE part */
2497         if( p_vout && ( p_ev->b_moved || p_ev->b_clicked ) )
2498         {
2499             vlc_value_t valx, valy;
2500
2501             vlc_mutex_lock( &p_ev->lock );
2502             pci_t *pci = (pci_t *) &p_sys->pci_packet;
2503             var_Get( p_vout, "mouse-x", &valx );
2504             var_Get( p_vout, "mouse-y", &valy );
2505
2506             if( p_ev->b_clicked )
2507             {
2508                 int32_t button;
2509                 int32_t best,dist,d;
2510                 int32_t mx,my,dx,dy;
2511
2512                 b_activated = VLC_TRUE;
2513                 // get current button
2514                 best = 0;
2515                 dist = 0x08000000; /* >> than  (720*720)+(567*567); */
2516                 for(button = 1; button <= pci->hli.hl_gi.btn_ns; button++) 
2517                 {
2518                     btni_t *button_ptr = &(pci->hli.btnit[button-1]);
2519
2520                     if((valx.i_int >= button_ptr->x_start) && (valx.i_int <= button_ptr->x_end) &&
2521                        (valy.i_int >= button_ptr->y_start) && (valy.i_int <= button_ptr->y_end)) 
2522                     {
2523                         mx = (button_ptr->x_start + button_ptr->x_end)/2;
2524                         my = (button_ptr->y_start + button_ptr->y_end)/2;
2525                         dx = mx - valx.i_int;
2526                         dy = my - valy.i_int;
2527                         d = (dx*dx) + (dy*dy);
2528                         /* If the mouse is within the button and the mouse is closer
2529                         * to the center of this button then it is the best choice. */
2530                         if(d < dist) {
2531                             dist = d;
2532                             best = button;
2533                         }
2534                     }
2535                 }
2536
2537                 if ( best != 0)
2538                 {
2539                     btni_t button_ptr = pci->hli.btnit[best-1];
2540                     uint16 i_curr_button = p_sys->dvd_interpretor.GetSPRM( 0x88 );
2541
2542                     msg_Dbg( &p_sys->demuxer, "Clicked button %d", best );
2543                     vlc_mutex_unlock( &p_ev->lock );
2544                     vlc_mutex_lock( &p_sys->lock_demuxer );
2545
2546                     // process the button action
2547                     p_sys->dvd_interpretor.SetSPRM( 0x88, best );
2548                     p_sys->dvd_interpretor.Interpret( button_ptr.cmd.bytes, 8 );
2549
2550                     msg_Dbg( &p_sys->demuxer, "Processed button %d", best );
2551
2552                     // select new button
2553                     if ( best != i_curr_button )
2554                     {
2555                         vlc_value_t val;
2556
2557                         if( var_Get( p_sys->p_input, "highlight-mutex", &val ) == VLC_SUCCESS )
2558                         {
2559                             vlc_mutex_t *p_mutex = (vlc_mutex_t *) val.p_address;
2560                             uint32_t i_palette;
2561
2562                             if(button_ptr.btn_coln != 0) {
2563                                 i_palette = pci->hli.btn_colit.btn_coli[button_ptr.btn_coln-1][1];
2564                             } else {
2565                                 i_palette = 0;
2566                             }
2567                             p_sys->alpha[0] = i_palette      & 0x0f;
2568                             p_sys->alpha[1] = (i_palette>>4) & 0x0f;
2569                             p_sys->alpha[2] = (i_palette>>8) & 0x0f;
2570                             p_sys->alpha[3] = (i_palette>>12)& 0x0f;
2571
2572                             vlc_mutex_lock( p_mutex );
2573                             val.i_int = button_ptr.x_start; var_Set( p_sys->p_input, "x-start", val );
2574                             val.i_int = button_ptr.x_end;   var_Set( p_sys->p_input, "x-end",   val );
2575                             val.i_int = button_ptr.y_start; var_Set( p_sys->p_input, "y-start", val );
2576                             val.i_int = button_ptr.y_end;   var_Set( p_sys->p_input, "y-end",   val );
2577
2578                             val.p_address = (void *)p_sys->alpha;
2579                             var_Set( p_sys->p_input, "menu-contrast", val );
2580
2581                             val.b_bool = VLC_TRUE; var_Set( p_sys->p_input, "highlight", val );
2582                             vlc_mutex_unlock( p_mutex );
2583                         }
2584                     }
2585                     vlc_mutex_unlock( &p_sys->lock_demuxer );
2586                     vlc_mutex_lock( &p_ev->lock );
2587                 }
2588             }
2589             else if( p_ev->b_moved )
2590             {
2591 //                dvdnav_mouse_select( NULL, pci, valx.i_int, valy.i_int );
2592             }
2593
2594             p_ev->b_moved = VLC_FALSE;
2595             p_ev->b_clicked = VLC_FALSE;
2596             vlc_mutex_unlock( &p_ev->lock );
2597         }
2598
2599         /* VOUT part */
2600         if( p_vout && p_vout->b_die )
2601         {
2602             var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2603             var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2604             vlc_object_release( p_vout );
2605             p_vout = NULL;
2606         }
2607
2608         else if( p_vout == NULL )
2609         {
2610             p_vout = (vlc_object_t*) vlc_object_find( p_sys->p_input, VLC_OBJECT_VOUT,
2611                                       FIND_CHILD );
2612             if( p_vout)
2613             {
2614                 var_AddCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2615                 var_AddCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2616             }
2617         }
2618
2619         /* Wait a bit, 10ms */
2620         msleep( 10000 );
2621     }
2622
2623     /* Release callback */
2624     if( p_vout )
2625     {
2626         var_DelCallback( p_vout, "mouse-moved", EventMouse, p_ev );
2627         var_DelCallback( p_vout, "mouse-clicked", EventMouse, p_ev );
2628         vlc_object_release( p_vout );
2629     }
2630     var_DelCallback( p_ev->p_vlc, "key-pressed", EventKey, p_ev );
2631
2632     vlc_mutex_destroy( &p_ev->lock );
2633
2634     return VLC_SUCCESS;
2635 }
2636
2637 void matroska_segment_c::UnSelect( )
2638 {
2639     size_t i_track;
2640
2641     for( i_track = 0; i_track < tracks.size(); i_track++ )
2642     {
2643         if ( tracks[i_track]->p_es != NULL )
2644         {
2645             es_out_Del( sys.demuxer.out, tracks[i_track]->p_es );
2646             tracks[i_track]->p_es = NULL;
2647         }
2648     }
2649     delete ep;
2650     ep = NULL;
2651 }
2652
2653 void virtual_segment_c::PrepareChapters( )
2654 {
2655     if ( linked_segments.size() == 0 )
2656         return;
2657
2658     // !!! should be called only once !!!
2659     matroska_segment_c *p_segment;
2660     size_t i, j;
2661
2662     // copy editions from the first segment
2663     p_segment = linked_segments[0];
2664     p_editions = &p_segment->stored_editions;
2665
2666     for ( i=1 ; i<linked_segments.size(); i++ )
2667     {
2668         p_segment = linked_segments[i];
2669         // FIXME assume we have the same editions in all segments
2670         for (j=0; j<p_segment->stored_editions.size(); j++)
2671             (*p_editions)[j]->Append( *p_segment->stored_editions[j] );
2672     }
2673 }
2674
2675 std::string chapter_edition_c::GetMainName() const
2676 {
2677     if ( sub_chapters.size() )
2678     {
2679         return sub_chapters[0]->GetCodecName( true );
2680     }
2681     return "";
2682 }
2683
2684 int chapter_item_c::PublishChapters( input_title_t & title, int & i_user_chapters, int i_level )
2685 {
2686     // add support for meta-elements from codec like DVD Titles
2687     if ( !b_display_seekpoint || psz_name == "" )
2688     {
2689         psz_name = GetCodecName();
2690         if ( psz_name != "" )
2691             b_display_seekpoint = true;
2692     }
2693
2694     if (b_display_seekpoint)
2695     {
2696         seekpoint_t *sk = vlc_seekpoint_New();
2697
2698         sk->i_level = i_level;
2699         sk->i_time_offset = i_start_time;
2700         sk->psz_name = strdup( psz_name.c_str() );
2701
2702         // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
2703         title.i_seekpoint++;
2704         title.seekpoint = (seekpoint_t**)realloc( title.seekpoint, title.i_seekpoint * sizeof( seekpoint_t* ) );
2705         title.seekpoint[title.i_seekpoint-1] = sk;
2706
2707         if ( b_user_display )
2708             i_user_chapters++;
2709     }
2710
2711     for ( size_t i=0; i<sub_chapters.size() ; i++)
2712     {
2713         sub_chapters[i]->PublishChapters( title, i_user_chapters, i_level+1 );
2714     }
2715
2716     i_seekpoint_num = i_user_chapters;
2717
2718     return i_user_chapters;
2719 }
2720
2721 bool virtual_segment_c::UpdateCurrentToChapter( demux_t & demux )
2722 {
2723     demux_sys_t & sys = *demux.p_sys;
2724     chapter_item_c *psz_curr_chapter;
2725
2726     /* update current chapter/seekpoint */
2727     if ( p_editions->size() )
2728     {
2729         /* 1st, we need to know in which chapter we are */
2730         psz_curr_chapter = (*p_editions)[i_current_edition]->FindTimecode( sys.i_pts );
2731
2732         /* we have moved to a new chapter */
2733         if (psz_curr_chapter != NULL && psz_current_chapter != psz_curr_chapter)
2734         {
2735             if ( (*p_editions)[i_current_edition]->b_ordered )
2736             {
2737                 // Leave/Enter up to the link point
2738                 if ( !psz_curr_chapter->EnterAndLeave( psz_current_chapter ) )
2739                 {
2740                     // only seek if necessary
2741                     if ( psz_current_chapter == NULL || (psz_current_chapter->i_end_time != psz_curr_chapter->i_start_time) )
2742                         Seek( demux, sys.i_pts, 0, psz_curr_chapter );
2743                     psz_current_chapter = psz_curr_chapter;
2744                 }
2745             }
2746             else if ( psz_curr_chapter->i_seekpoint_num > 0 )
2747             {
2748                 demux.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
2749                 demux.info.i_title = sys.i_current_title = i_sys_title;
2750                 demux.info.i_seekpoint = psz_curr_chapter->i_seekpoint_num - 1;
2751                 psz_current_chapter = psz_curr_chapter;
2752             }
2753             else
2754             {
2755                 psz_current_chapter = psz_curr_chapter;
2756             }
2757
2758             return true;
2759         }
2760         else if (psz_curr_chapter == NULL)
2761         {
2762             // out of the scope of the data described by chapters, leave the edition
2763             if ( (*p_editions)[i_current_edition]->b_ordered && psz_current_chapter != NULL )
2764             {
2765                 if ( !(*p_editions)[i_current_edition]->EnterAndLeave( psz_current_chapter ) )
2766                     psz_current_chapter = NULL;
2767                 else
2768                     return true;
2769             }
2770         }
2771     }
2772     return false;
2773 }
2774
2775 chapter_item_c *virtual_segment_c::BrowseCodecPrivate( unsigned int codec_id, 
2776                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
2777                                     const void *p_cookie, 
2778                                     size_t i_cookie_size )
2779 {
2780     // FIXME don't assume it is the first edition
2781     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2782     if ( index != p_editions->end() )
2783     {
2784         chapter_item_c *p_result = (*index)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2785         if ( p_result != NULL )
2786             return p_result;
2787     }
2788     return NULL;
2789 }
2790
2791 chapter_item_c *virtual_segment_c::FindChapter( int64_t i_find_uid )
2792 {
2793     // FIXME don't assume it is the first edition
2794     std::vector<chapter_edition_c*>::iterator index = p_editions->begin();
2795     if ( index != p_editions->end() )
2796     {
2797         chapter_item_c *p_result = (*index)->FindChapter( i_find_uid );
2798         if ( p_result != NULL )
2799             return p_result;
2800     }
2801     return NULL;
2802 }
2803
2804 chapter_item_c *chapter_item_c::BrowseCodecPrivate( unsigned int codec_id, 
2805                                     bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
2806                                     const void *p_cookie, 
2807                                     size_t i_cookie_size )
2808 {
2809     // this chapter
2810     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2811     while ( index != codecs.end() )
2812     {
2813         if ( match( **index ,p_cookie, i_cookie_size ) )
2814             return this;
2815         index++;
2816     }
2817     
2818     // sub-chapters
2819     chapter_item_c *p_result = NULL;
2820     std::vector<chapter_item_c*>::const_iterator index2 = sub_chapters.begin();
2821     while ( index2 != sub_chapters.end() )
2822     {
2823         p_result = (*index2)->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
2824         if ( p_result != NULL )
2825             return p_result;
2826         index2++;
2827     }
2828     
2829     return p_result;
2830 }
2831
2832 void chapter_item_c::Append( const chapter_item_c & chapter )
2833 {
2834     // we are appending content for the same chapter UID
2835     size_t i;
2836     chapter_item_c *p_chapter;
2837
2838     for ( i=0; i<chapter.sub_chapters.size(); i++ )
2839     {
2840         p_chapter = FindChapter( chapter.sub_chapters[i]->i_uid );
2841         if ( p_chapter != NULL )
2842         {
2843             p_chapter->Append( *chapter.sub_chapters[i] );
2844         }
2845         else
2846         {
2847             sub_chapters.push_back( chapter.sub_chapters[i] );
2848         }
2849     }
2850
2851     i_user_start_time = min( i_user_start_time, chapter.i_user_start_time );
2852     i_user_end_time = max( i_user_end_time, chapter.i_user_end_time );
2853 }
2854
2855 chapter_item_c * chapter_item_c::FindChapter( int64_t i_find_uid )
2856 {
2857     size_t i;
2858     chapter_item_c *p_result = NULL;
2859
2860     if ( i_uid == i_find_uid )
2861         return this;
2862
2863     for ( i=0; i<sub_chapters.size(); i++)
2864     {
2865         p_result = sub_chapters[i]->FindChapter( i_find_uid );
2866         if ( p_result != NULL )
2867             break;
2868     }
2869     return p_result;
2870 }
2871
2872 std::string chapter_item_c::GetCodecName( bool f_for_title ) const
2873 {
2874     std::string result;
2875
2876     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2877     while ( index != codecs.end() )
2878     {
2879         result = (*index)->GetCodecName( f_for_title );
2880         if ( result != "" )
2881             break;
2882         index++;
2883     }
2884
2885     return result;
2886 }
2887
2888 std::string dvd_chapter_codec_c::GetCodecName( bool f_for_title ) const
2889 {
2890     std::string result;
2891     if ( m_private_data.GetSize() >= 3)
2892     {
2893         const binary* p_data = m_private_data.GetBuffer();
2894 /*        if ( p_data[0] == MATROSKA_DVD_LEVEL_TT )
2895         {
2896             uint16_t i_title = (p_data[1] << 8) + p_data[2];
2897             char psz_str[11];
2898             sprintf( psz_str, " %d  ---", i_title );
2899             result = N_("---  DVD Title");
2900             result += psz_str;
2901         }
2902         else */ if ( p_data[0] == MATROSKA_DVD_LEVEL_LU )
2903         {
2904             char psz_str[11];
2905             sprintf( psz_str, " (%c%c)  ---", p_data[1], p_data[2] );
2906             result = N_("---  DVD Menu");
2907             result += psz_str;
2908         }
2909         else if ( p_data[0] == MATROSKA_DVD_LEVEL_SS && f_for_title )
2910         {
2911             if ( p_data[1] == 0x00 )
2912                 result = N_("First Played");
2913             else if ( p_data[1] == 0xC0 )
2914                 result = N_("Video Manager");
2915             else if ( p_data[1] == 0x80 )
2916             {
2917                 uint16_t i_title = (p_data[2] << 8) + p_data[3];
2918                 char psz_str[20];
2919                 sprintf( psz_str, " %d -----", i_title );
2920                 result = N_("----- Title");
2921                 result += psz_str;
2922             }
2923         }
2924     }
2925
2926     return result;
2927 }
2928
2929 int16 chapter_item_c::GetTitleNumber( ) const
2930 {
2931     int result = -1;
2932
2933     std::vector<chapter_codec_cmds_c*>::const_iterator index = codecs.begin();
2934     while ( index != codecs.end() )
2935     {
2936         result = (*index)->GetTitleNumber( );
2937         if ( result >= 0 )
2938             break;
2939         index++;
2940     }
2941
2942     return result;
2943 }
2944
2945 int16 dvd_chapter_codec_c::GetTitleNumber()
2946 {
2947     if ( m_private_data.GetSize() >= 3)
2948     {
2949         const binary* p_data = m_private_data.GetBuffer();
2950         if ( p_data[0] == MATROSKA_DVD_LEVEL_SS )
2951         {
2952             return int16( (p_data[2] << 8) + p_data[3] );
2953         }
2954     }
2955     return -1;
2956 }
2957
2958 static void Seek( demux_t *p_demux, mtime_t i_date, double f_percent, chapter_item_c *psz_chapter )
2959 {
2960     demux_sys_t        *p_sys = p_demux->p_sys;
2961     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
2962     matroska_segment_c *p_segment = p_vsegment->Segment();
2963     mtime_t            i_time_offset = 0;
2964
2965     int         i_index;
2966
2967     msg_Dbg( p_demux, "seek request to "I64Fd" (%f%%)", i_date, f_percent );
2968     if( i_date < 0 && f_percent < 0 )
2969     {
2970         msg_Warn( p_demux, "cannot seek nowhere !" );
2971         return;
2972     }
2973     if( f_percent > 1.0 )
2974     {
2975         msg_Warn( p_demux, "cannot seek so far !" );
2976         return;
2977     }
2978
2979     /* seek without index or without date */
2980     if( f_percent >= 0 && (config_GetInt( p_demux, "mkv-seek-percent" ) || !p_segment->b_cues || i_date < 0 ))
2981     {
2982         if (p_sys->f_duration >= 0)
2983         {
2984             i_date = int64_t( f_percent * p_sys->f_duration * 1000.0 );
2985         }
2986         else
2987         {
2988             int64_t i_pos = int64_t( f_percent * stream_Size( p_demux->s ) );
2989
2990             msg_Dbg( p_demux, "inacurate way of seeking" );
2991             for( i_index = 0; i_index < p_segment->i_index; i_index++ )
2992             {
2993                 if( p_segment->index[i_index].i_position >= i_pos)
2994                 {
2995                     break;
2996                 }
2997             }
2998             if( i_index == p_segment->i_index )
2999             {
3000                 i_index--;
3001             }
3002
3003             i_date = p_segment->index[i_index].i_time;
3004
3005 #if 0
3006             if( p_segment->index[i_index].i_position < i_pos )
3007             {
3008                 EbmlElement *el;
3009
3010                 msg_Warn( p_demux, "searching for cluster, could take some time" );
3011
3012                 /* search a cluster */
3013                 while( ( el = p_sys->ep->Get() ) != NULL )
3014                 {
3015                     if( MKV_IS_ID( el, KaxCluster ) )
3016                     {
3017                         KaxCluster *cluster = (KaxCluster*)el;
3018
3019                         /* add it to the index */
3020                         p_segment->IndexAppendCluster( cluster );
3021
3022                         if( (int64_t)cluster->GetElementPosition() >= i_pos )
3023                         {
3024                             p_sys->cluster = cluster;
3025                             p_sys->ep->Down();
3026                             break;
3027                         }
3028                     }
3029                 }
3030             }
3031 #endif
3032         }
3033     }
3034
3035     p_vsegment->Seek( *p_demux, i_date, i_time_offset, psz_chapter );
3036 }
3037
3038 /*****************************************************************************
3039  * Demux: reads and demuxes data packets
3040  *****************************************************************************
3041  * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
3042  *****************************************************************************/
3043 static int Demux( demux_t *p_demux)
3044 {
3045     demux_sys_t        *p_sys = p_demux->p_sys;
3046
3047     vlc_mutex_lock( &p_sys->lock_demuxer );
3048
3049     virtual_segment_c  *p_vsegment = p_sys->p_current_segment;
3050     matroska_segment_c *p_segment = p_vsegment->Segment();
3051     if ( p_segment == NULL ) return 0;
3052     int                i_block_count = 0;
3053     int                i_return = 0;
3054
3055     KaxBlock *block;
3056     int64_t i_block_duration;
3057     int64_t i_block_ref1;
3058     int64_t i_block_ref2;
3059
3060     for( ;; )
3061     {
3062         if ( p_sys->demuxer.b_die )
3063             break;
3064
3065         if( p_sys->i_pts >= p_sys->i_start_pts  )
3066             if ( p_vsegment->UpdateCurrentToChapter( *p_demux ) )
3067             {
3068                 i_return = 1;
3069                 break;
3070             }
3071         
3072         if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered && p_vsegment->CurrentChapter() == NULL )
3073         {
3074             /* nothing left to read in this ordered edition */
3075             if ( !p_vsegment->SelectNext() )
3076                 break;
3077             p_segment->UnSelect( );
3078             
3079             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3080
3081             /* switch to the next segment */
3082             p_segment = p_vsegment->Segment();
3083             if ( !p_segment->Select( 0 ) )
3084             {
3085                 msg_Err( p_demux, "Failed to select new segment" );
3086                 break;
3087             }
3088             continue;
3089         }
3090
3091
3092         if( p_segment->BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
3093         {
3094             if ( p_vsegment->Edition() && p_vsegment->Edition()->b_ordered )
3095             {
3096                 const chapter_item_c *p_chap = p_vsegment->CurrentChapter();
3097                 // check if there are more chapters to read
3098                 if ( p_chap != NULL )
3099                 {
3100                     /* TODO handle successive chapters with the same user_start_time/user_end_time
3101                     if ( p_chap->i_user_start_time == p_chap->i_user_start_time )
3102                         p_vsegment->SelectNext();
3103                     */
3104                     p_sys->i_pts = p_chap->i_user_end_time;
3105                     p_sys->i_pts++; // trick to avoid staying on segments with no duration and no content
3106
3107                     i_return = 1;
3108                 }
3109
3110                 break;
3111             }
3112             msg_Warn( p_demux, "cannot get block EOF?" );
3113             p_segment->UnSelect( );
3114             
3115             es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
3116
3117             /* switch to the next segment */
3118             if ( !p_vsegment->SelectNext() )
3119                 // no more segments in this stream
3120                 break;
3121             p_segment = p_vsegment->Segment();
3122             if ( !p_segment->Select( 0 ) )
3123             {
3124                 msg_Err( p_demux, "Failed to select new segment" );
3125                 break;
3126             }
3127
3128             continue;
3129         }
3130
3131         p_sys->i_pts = p_sys->i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
3132
3133         if( p_sys->i_pts >= p_sys->i_start_pts  )
3134         {
3135             es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
3136         }
3137
3138         BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration );
3139
3140         delete block;
3141         i_block_count++;
3142
3143         // TODO optimize when there is need to leave or when seeking has been called
3144         if( i_block_count > 5 )
3145         {
3146             i_return = 1;
3147             break;
3148         }
3149     }
3150
3151     vlc_mutex_unlock( &p_sys->lock_demuxer );
3152
3153     return i_return;
3154 }
3155
3156
3157
3158 /*****************************************************************************
3159  * Stream managment
3160  *****************************************************************************/
3161 vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_ )
3162 {
3163     s = s_;
3164     mb_eof = VLC_FALSE;
3165 }
3166
3167 uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
3168 {
3169     if( i_size <= 0 || mb_eof )
3170     {
3171         return 0;
3172     }
3173
3174     return stream_Read( s, p_buffer, i_size );
3175 }
3176 void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
3177 {
3178     int64_t i_pos;
3179
3180     switch( mode )
3181     {
3182         case seek_beginning:
3183             i_pos = i_offset;
3184             break;
3185         case seek_end:
3186             i_pos = stream_Size( s ) - i_offset;
3187             break;
3188         default:
3189             i_pos= stream_Tell( s ) + i_offset;
3190             break;
3191     }
3192
3193     if( i_pos < 0 || i_pos >= stream_Size( s ) )
3194     {
3195         mb_eof = VLC_TRUE;
3196         return;
3197     }
3198
3199     mb_eof = VLC_FALSE;
3200     if( stream_Seek( s, i_pos ) )
3201     {
3202         mb_eof = VLC_TRUE;
3203     }
3204     return;
3205 }
3206 size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
3207 {
3208     return 0;
3209 }
3210 uint64 vlc_stream_io_callback::getFilePointer( void )
3211 {
3212     return stream_Tell( s );
3213 }
3214 void vlc_stream_io_callback::close( void )
3215 {
3216     return;
3217 }
3218
3219
3220 /*****************************************************************************
3221  * Ebml Stream parser
3222  *****************************************************************************/
3223 EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start, demux_t *p_demux )
3224 {
3225     int i;
3226
3227     m_es = es;
3228     m_got = NULL;
3229     m_el[0] = el_start;
3230     mi_remain_size[0] = el_start->GetSize();
3231
3232     for( i = 1; i < 6; i++ )
3233     {
3234         m_el[i] = NULL;
3235     }
3236     mi_level = 1;
3237     mi_user_level = 1;
3238     mb_keep = VLC_FALSE;
3239     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3240 }
3241
3242 EbmlParser::~EbmlParser( void )
3243 {
3244     int i;
3245
3246     for( i = 1; i < mi_level; i++ )
3247     {
3248         if( !mb_keep )
3249         {
3250             delete m_el[i];
3251         }
3252         mb_keep = VLC_FALSE;
3253     }
3254 }
3255
3256 void EbmlParser::Up( void )
3257 {
3258     if( mi_user_level == mi_level )
3259     {
3260         fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itself\n" );
3261     }
3262
3263     mi_user_level--;
3264 }
3265
3266 void EbmlParser::Down( void )
3267 {
3268     mi_user_level++;
3269     mi_level++;
3270 }
3271
3272 void EbmlParser::Keep( void )
3273 {
3274     mb_keep = VLC_TRUE;
3275 }
3276
3277 int EbmlParser::GetLevel( void )
3278 {
3279     return mi_user_level;
3280 }
3281
3282 void EbmlParser::Reset( demux_t *p_demux )
3283 {
3284     while ( mi_level > 0)
3285     {
3286         delete m_el[mi_level];
3287         m_el[mi_level] = NULL;
3288         mi_level--;
3289     }
3290     mi_user_level = mi_level = 1;
3291 #if LIBEBML_VERSION >= 0x000704
3292     // a little faster and cleaner
3293     m_es->I_O().setFilePointer( static_cast<KaxSegment*>(m_el[0])->GetGlobalPosition(0) );
3294 #else
3295     m_es->I_O().setFilePointer( m_el[0]->GetElementPosition() + m_el[0]->ElementSize(true) - m_el[0]->GetSize() );
3296 #endif
3297     mb_dummy = config_GetInt( p_demux, "mkv-use-dummy" );
3298 }
3299
3300 EbmlElement *EbmlParser::Get( void )
3301 {
3302     int i_ulev = 0;
3303
3304     if( mi_user_level != mi_level )
3305     {
3306         return NULL;
3307     }
3308     if( m_got )
3309     {
3310         EbmlElement *ret = m_got;
3311         m_got = NULL;
3312
3313         return ret;
3314     }
3315
3316     if( m_el[mi_level] )
3317     {
3318         m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
3319         if( !mb_keep )
3320         {
3321             delete m_el[mi_level];
3322         }
3323         mb_keep = VLC_FALSE;
3324     }
3325
3326     m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, mb_dummy, 1 );
3327 //    mi_remain_size[mi_level] = m_el[mi_level]->GetSize();
3328     if( i_ulev > 0 )
3329     {
3330         while( i_ulev > 0 )
3331         {
3332             if( mi_level == 1 )
3333             {
3334                 mi_level = 0;
3335                 return NULL;
3336             }
3337
3338             delete m_el[mi_level - 1];
3339             m_got = m_el[mi_level -1] = m_el[mi_level];
3340             m_el[mi_level] = NULL;
3341
3342             mi_level--;
3343             i_ulev--;
3344         }
3345         return NULL;
3346     }
3347     else if( m_el[mi_level] == NULL )
3348     {
3349         fprintf( stderr," m_el[mi_level] == NULL\n" );
3350     }
3351
3352     return m_el[mi_level];
3353 }
3354
3355
3356 /*****************************************************************************
3357  * Tools
3358  *  * LoadCues : load the cues element and update index
3359  *
3360  *  * LoadTags : load ... the tags element
3361  *
3362  *  * InformationCreate : create all information, load tags if present
3363  *
3364  *****************************************************************************/
3365 void matroska_segment_c::LoadCues( )
3366 {
3367     int64_t     i_sav_position = es.I_O().getFilePointer();
3368     EbmlParser  *ep;
3369     EbmlElement *el, *cues;
3370
3371     /* *** Load the cue if found *** */
3372     if( i_cues_position < 0 )
3373     {
3374         msg_Warn( &sys.demuxer, "no cues/empty cues found->seek won't be precise" );
3375
3376 //        IndexAppendCluster( cluster );
3377     }
3378
3379     vlc_bool_t b_seekable;
3380
3381     stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
3382     if( !b_seekable )
3383         return;
3384
3385     msg_Dbg( &sys.demuxer, "loading cues" );
3386     es.I_O().setFilePointer( i_cues_position, seek_beginning );
3387     cues = es.FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
3388
3389     if( cues == NULL )
3390     {
3391         msg_Err( &sys.demuxer, "cannot load cues (broken seekhead or file)" );
3392         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3393         return;
3394     }
3395
3396     ep = new EbmlParser( &es, cues, &sys.demuxer );
3397     while( ( el = ep->Get() ) != NULL )
3398     {
3399         if( MKV_IS_ID( el, KaxCuePoint ) )
3400         {
3401 #define idx index[i_index]
3402
3403             idx.i_track       = -1;
3404             idx.i_block_number= -1;
3405             idx.i_position    = -1;
3406             idx.i_time        = 0;
3407             idx.b_key         = VLC_TRUE;
3408
3409             ep->Down();
3410             while( ( el = ep->Get() ) != NULL )
3411             {
3412                 if( MKV_IS_ID( el, KaxCueTime ) )
3413                 {
3414                     KaxCueTime &ctime = *(KaxCueTime*)el;
3415
3416                     ctime.ReadData( es.I_O() );
3417
3418                     idx.i_time = uint64( ctime ) * i_timescale / (mtime_t)1000;
3419                 }
3420                 else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
3421                 {
3422                     ep->Down();
3423                     while( ( el = ep->Get() ) != NULL )
3424                     {
3425                         if( MKV_IS_ID( el, KaxCueTrack ) )
3426                         {
3427                             KaxCueTrack &ctrack = *(KaxCueTrack*)el;
3428
3429                             ctrack.ReadData( es.I_O() );
3430                             idx.i_track = uint16( ctrack );
3431                         }
3432                         else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
3433                         {
3434                             KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
3435
3436                             ccpos.ReadData( es.I_O() );
3437                             idx.i_position = segment->GetGlobalPosition( uint64( ccpos ) );
3438                         }
3439                         else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
3440                         {
3441                             KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
3442
3443                             cbnum.ReadData( es.I_O() );
3444                             idx.i_block_number = uint32( cbnum );
3445                         }
3446                         else
3447                         {
3448                             msg_Dbg( &sys.demuxer, "         * Unknown (%s)", typeid(*el).name() );
3449                         }
3450                     }
3451                     ep->Up();
3452                 }
3453                 else
3454                 {
3455                     msg_Dbg( &sys.demuxer, "     * Unknown (%s)", typeid(*el).name() );
3456                 }
3457             }
3458             ep->Up();
3459
3460 #if 0
3461             msg_Dbg( &sys.demuxer, " * added time="I64Fd" pos="I64Fd
3462                      " track=%d bnum=%d", idx.i_time, idx.i_position,
3463                      idx.i_track, idx.i_block_number );
3464 #endif
3465
3466             i_index++;
3467             if( i_index >= i_index_max )
3468             {
3469                 i_index_max += 1024;
3470                 index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
3471             }
3472 #undef idx
3473         }
3474         else
3475         {
3476             msg_Dbg( &sys.demuxer, " * Unknown (%s)", typeid(*el).name() );
3477         }
3478     }
3479     delete ep;
3480     delete cues;
3481
3482     b_cues = VLC_TRUE;
3483
3484     msg_Dbg( &sys.demuxer, "loading cues done." );
3485     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3486 }
3487
3488 void matroska_segment_c::LoadTags( )
3489 {
3490     int64_t     i_sav_position = es.I_O().getFilePointer();
3491     EbmlParser  *ep;
3492     EbmlElement *el, *tags;
3493
3494     msg_Dbg( &sys.demuxer, "loading tags" );
3495     es.I_O().setFilePointer( i_tags_position, seek_beginning );
3496     tags = es.FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
3497
3498     if( tags == NULL )
3499     {
3500         msg_Err( &sys.demuxer, "cannot load tags (broken seekhead or file)" );
3501         es.I_O().setFilePointer( i_sav_position, seek_beginning );
3502         return;
3503     }
3504
3505     msg_Dbg( &sys.demuxer, "Tags" );
3506     ep = new EbmlParser( &es, tags, &sys.demuxer );
3507     while( ( el = ep->Get() ) != NULL )
3508     {
3509         if( MKV_IS_ID( el, KaxTag ) )
3510         {
3511             msg_Dbg( &sys.demuxer, "+ Tag" );
3512             ep->Down();
3513             while( ( el = ep->Get() ) != NULL )
3514             {
3515                 if( MKV_IS_ID( el, KaxTagTargets ) )
3516                 {
3517                     msg_Dbg( &sys.demuxer, "|   + Targets" );
3518                     ep->Down();
3519                     while( ( el = ep->Get() ) != NULL )
3520                     {
3521                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3522                     }
3523                     ep->Up();
3524                 }
3525                 else if( MKV_IS_ID( el, KaxTagGeneral ) )
3526                 {
3527                     msg_Dbg( &sys.demuxer, "|   + General" );
3528                     ep->Down();
3529                     while( ( el = ep->Get() ) != NULL )
3530                     {
3531                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3532                     }
3533                     ep->Up();
3534                 }
3535                 else if( MKV_IS_ID( el, KaxTagGenres ) )
3536                 {
3537                     msg_Dbg( &sys.demuxer, "|   + Genres" );
3538                     ep->Down();
3539                     while( ( el = ep->Get() ) != NULL )
3540                     {
3541                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3542                     }
3543                     ep->Up();
3544                 }
3545                 else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
3546                 {
3547                     msg_Dbg( &sys.demuxer, "|   + Audio Specific" );
3548                     ep->Down();
3549                     while( ( el = ep->Get() ) != NULL )
3550                     {
3551                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3552                     }
3553                     ep->Up();
3554                 }
3555                 else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
3556                 {
3557                     msg_Dbg( &sys.demuxer, "|   + Images Specific" );
3558                     ep->Down();
3559                     while( ( el = ep->Get() ) != NULL )
3560                     {
3561                         msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid( *el ).name() );
3562                     }
3563                     ep->Up();
3564                 }
3565                 else if( MKV_IS_ID( el, KaxTagMultiComment ) )
3566                 {
3567                     msg_Dbg( &sys.demuxer, "|   + Multi Comment" );
3568                 }
3569                 else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
3570                 {
3571                     msg_Dbg( &sys.demuxer, "|   + Multi Commercial" );
3572                 }
3573                 else if( MKV_IS_ID( el, KaxTagMultiDate ) )
3574                 {
3575                     msg_Dbg( &sys.demuxer, "|   + Multi Date" );
3576                 }
3577                 else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
3578                 {
3579                     msg_Dbg( &sys.demuxer, "|   + Multi Entity" );
3580                 }
3581                 else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
3582                 {
3583                     msg_Dbg( &sys.demuxer, "|   + Multi Identifier" );
3584                 }
3585                 else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
3586                 {
3587                     msg_Dbg( &sys.demuxer, "|   + Multi Legal" );
3588                 }
3589                 else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
3590                 {
3591                     msg_Dbg( &sys.demuxer, "|   + Multi Title" );
3592                 }
3593                 else
3594                 {
3595                     msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid( *el ).name() );
3596                 }
3597             }
3598             ep->Up();
3599         }
3600         else
3601         {
3602             msg_Dbg( &sys.demuxer, "+ Unknown (%s)", typeid( *el ).name() );
3603         }
3604     }
3605     delete ep;
3606     delete tags;
3607
3608     msg_Dbg( &sys.demuxer, "loading tags done." );
3609     es.I_O().setFilePointer( i_sav_position, seek_beginning );
3610 }
3611
3612 /*****************************************************************************
3613  * ParseSeekHead:
3614  *****************************************************************************/
3615 void matroska_segment_c::ParseSeekHead( KaxSeekHead *seekhead )
3616 {
3617     EbmlElement *el;
3618     size_t i, j;
3619     int i_upper_level = 0;
3620
3621     msg_Dbg( &sys.demuxer, "|   + Seek head" );
3622
3623     /* Master elements */
3624     seekhead->Read( es, seekhead->Generic().Context, i_upper_level, el, true );
3625
3626     for( i = 0; i < seekhead->ListSize(); i++ )
3627     {
3628         EbmlElement *l = (*seekhead)[i];
3629
3630         if( MKV_IS_ID( l, KaxSeek ) )
3631         {
3632             EbmlMaster *sk = static_cast<EbmlMaster *>(l);
3633             EbmlId id = EbmlVoid::ClassInfos.GlobalId;
3634             int64_t i_pos = -1;
3635
3636             for( j = 0; j < sk->ListSize(); j++ )
3637             {
3638                 EbmlElement *l = (*sk)[j];
3639
3640                 if( MKV_IS_ID( l, KaxSeekID ) )
3641                 {
3642                     KaxSeekID &sid = *(KaxSeekID*)l;
3643                     id = EbmlId( sid.GetBuffer(), sid.GetSize() );
3644                 }
3645                 else if( MKV_IS_ID( l, KaxSeekPosition ) )
3646                 {
3647                     KaxSeekPosition &spos = *(KaxSeekPosition*)l;
3648                     i_pos = uint64( spos );
3649                 }
3650                 else
3651                 {
3652                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
3653                 }
3654             }
3655
3656             if( i_pos >= 0 )
3657             {
3658                 if( id == KaxCues::ClassInfos.GlobalId )
3659                 {
3660                     msg_Dbg( &sys.demuxer, "|   |   |   = cues at "I64Fd, i_pos );
3661                     i_cues_position = segment->GetGlobalPosition( i_pos );
3662                 }
3663                 else if( id == KaxChapters::ClassInfos.GlobalId )
3664                 {
3665                     msg_Dbg( &sys.demuxer, "|   |   |   = chapters at "I64Fd, i_pos );
3666                     i_chapters_position = segment->GetGlobalPosition( i_pos );
3667                 }
3668                 else if( id == KaxTags::ClassInfos.GlobalId )
3669                 {
3670                     msg_Dbg( &sys.demuxer, "|   |   |   = tags at "I64Fd, i_pos );
3671                     i_tags_position = segment->GetGlobalPosition( i_pos );
3672                 }
3673             }
3674         }
3675         else
3676         {
3677             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
3678         }
3679     }
3680 }
3681
3682 /*****************************************************************************
3683  * ParseTrackEntry:
3684  *****************************************************************************/
3685 void matroska_segment_c::ParseTrackEntry( KaxTrackEntry *m )
3686 {
3687     size_t i, j, k, n;
3688
3689     mkv_track_t *tk;
3690
3691     msg_Dbg( &sys.demuxer, "|   |   + Track Entry" );
3692
3693     tk = new mkv_track_t();
3694     tracks.push_back( tk );
3695
3696     /* Init the track */
3697     memset( tk, 0, sizeof( mkv_track_t ) );
3698
3699     es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
3700     tk->fmt.psz_language = strdup("English");
3701     tk->fmt.psz_description = NULL;
3702
3703     tk->b_default = VLC_TRUE;
3704     tk->b_enabled = VLC_TRUE;
3705     tk->b_silent = VLC_FALSE;
3706     tk->i_number = tracks.size() - 1;
3707     tk->i_extra_data = 0;
3708     tk->p_extra_data = NULL;
3709     tk->psz_codec = NULL;
3710     tk->i_default_duration = 0;
3711     tk->f_timecodescale = 1.0;
3712
3713     tk->b_inited = VLC_FALSE;
3714     tk->i_data_init = 0;
3715     tk->p_data_init = NULL;
3716
3717     tk->psz_codec_name = NULL;
3718     tk->psz_codec_settings = NULL;
3719     tk->psz_codec_info_url = NULL;
3720     tk->psz_codec_download_url = NULL;
3721     
3722     tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
3723
3724     for( i = 0; i < m->ListSize(); i++ )
3725     {
3726         EbmlElement *l = (*m)[i];
3727
3728         if( MKV_IS_ID( l, KaxTrackNumber ) )
3729         {
3730             KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
3731
3732             tk->i_number = uint32( tnum );
3733             msg_Dbg( &sys.demuxer, "|   |   |   + Track Number=%u", uint32( tnum ) );
3734         }
3735         else  if( MKV_IS_ID( l, KaxTrackUID ) )
3736         {
3737             KaxTrackUID &tuid = *(KaxTrackUID*)l;
3738
3739             msg_Dbg( &sys.demuxer, "|   |   |   + Track UID=%u",  uint32( tuid ) );
3740         }
3741         else  if( MKV_IS_ID( l, KaxTrackType ) )
3742         {
3743             char *psz_type;
3744             KaxTrackType &ttype = *(KaxTrackType*)l;
3745
3746             switch( uint8(ttype) )
3747             {
3748                 case track_audio:
3749                     psz_type = "audio";
3750                     tk->fmt.i_cat = AUDIO_ES;
3751                     break;
3752                 case track_video:
3753                     psz_type = "video";
3754                     tk->fmt.i_cat = VIDEO_ES;
3755                     break;
3756                 case track_subtitle:
3757                     psz_type = "subtitle";
3758                     tk->fmt.i_cat = SPU_ES;
3759                     break;
3760                 case track_buttons:
3761                     psz_type = "buttons";
3762                     tk->fmt.i_cat = SPU_ES;
3763                     break;
3764                 default:
3765                     psz_type = "unknown";
3766                     tk->fmt.i_cat = UNKNOWN_ES;
3767                     break;
3768             }
3769
3770             msg_Dbg( &sys.demuxer, "|   |   |   + Track Type=%s", psz_type );
3771         }
3772 //        else  if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
3773 //        {
3774 //            KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
3775
3776 //            tk->b_enabled = uint32( fenb );
3777 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Enabled=%u",
3778 //                     uint32( fenb )  );
3779 //        }
3780         else  if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
3781         {
3782             KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
3783
3784             tk->b_default = uint32( fdef );
3785             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default=%u", uint32( fdef )  );
3786         }
3787         else  if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
3788         {
3789             KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
3790
3791             msg_Dbg( &sys.demuxer, "|   |   |   + Track Lacing=%d", uint32( lac ) );
3792         }
3793         else  if( MKV_IS_ID( l, KaxTrackMinCache ) )
3794         {
3795             KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
3796
3797             msg_Dbg( &sys.demuxer, "|   |   |   + Track MinCache=%d", uint32( cmin ) );
3798         }
3799         else  if( MKV_IS_ID( l, KaxTrackMaxCache ) )
3800         {
3801             KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
3802
3803             msg_Dbg( &sys.demuxer, "|   |   |   + Track MaxCache=%d", uint32( cmax ) );
3804         }
3805         else  if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
3806         {
3807             KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
3808
3809             tk->i_default_duration = uint64(defd);
3810             msg_Dbg( &sys.demuxer, "|   |   |   + Track Default Duration="I64Fd, uint64(defd) );
3811         }
3812         else  if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
3813         {
3814             KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
3815
3816             tk->f_timecodescale = float( ttcs );
3817             msg_Dbg( &sys.demuxer, "|   |   |   + Track TimeCodeScale=%f", tk->f_timecodescale );
3818         }
3819         else if( MKV_IS_ID( l, KaxTrackName ) )
3820         {
3821             KaxTrackName &tname = *(KaxTrackName*)l;
3822
3823             tk->fmt.psz_description = UTF8ToStr( UTFstring( tname ) );
3824             msg_Dbg( &sys.demuxer, "|   |   |   + Track Name=%s", tk->fmt.psz_description );
3825         }
3826         else  if( MKV_IS_ID( l, KaxTrackLanguage ) )
3827         {
3828             KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
3829
3830             tk->fmt.psz_language = strdup( string( lang ).c_str() );
3831             msg_Dbg( &sys.demuxer,
3832                      "|   |   |   + Track Language=`%s'", tk->fmt.psz_language );
3833         }
3834         else  if( MKV_IS_ID( l, KaxCodecID ) )
3835         {
3836             KaxCodecID &codecid = *(KaxCodecID*)l;
3837
3838             tk->psz_codec = strdup( string( codecid ).c_str() );
3839             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecId=%s", string( codecid ).c_str() );
3840         }
3841         else  if( MKV_IS_ID( l, KaxCodecPrivate ) )
3842         {
3843             KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
3844
3845             tk->i_extra_data = cpriv.GetSize();
3846             if( tk->i_extra_data > 0 )
3847             {
3848                 tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
3849                 memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
3850             }
3851             msg_Dbg( &sys.demuxer, "|   |   |   + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
3852         }
3853         else if( MKV_IS_ID( l, KaxCodecName ) )
3854         {
3855             KaxCodecName &cname = *(KaxCodecName*)l;
3856
3857             tk->psz_codec_name = UTF8ToStr( UTFstring( cname ) );
3858             msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Name=%s", tk->psz_codec_name );
3859         }
3860         else if( MKV_IS_ID( l, KaxContentEncodings ) )
3861         {
3862             EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
3863             MkvTree( sys.demuxer, 3, "Content Encodings" );
3864             for( j = 0; j < cencs->ListSize(); j++ )
3865             {
3866                 EbmlElement *l2 = (*cencs)[j];
3867                 if( MKV_IS_ID( l2, KaxContentEncoding ) )
3868                 {
3869                     MkvTree( sys.demuxer, 4, "Content Encoding" );
3870                     EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
3871                     for( k = 0; k < cenc->ListSize(); k++ )
3872                     {
3873                         EbmlElement *l3 = (*cenc)[k];
3874                         if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
3875                         {
3876                             KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
3877                             MkvTree( sys.demuxer, 5, "Order: %i", uint32( encord ) );
3878                         }
3879                         else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
3880                         {
3881                             KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
3882                             MkvTree( sys.demuxer, 5, "Scope: %i", uint32( encscope ) );
3883                         }
3884                         else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
3885                         {
3886                             KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
3887                             MkvTree( sys.demuxer, 5, "Type: %i", uint32( enctype ) );
3888                         }
3889                         else if( MKV_IS_ID( l3, KaxContentCompression ) )
3890                         {
3891                             EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
3892                             MkvTree( sys.demuxer, 5, "Content Compression" );
3893                             for( n = 0; n < compr->ListSize(); n++ )
3894                             {
3895                                 EbmlElement *l4 = (*compr)[n];
3896                                 if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
3897                                 {
3898                                     KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
3899                                     MkvTree( sys.demuxer, 6, "Compression Algorithm: %i", uint32(compalg) );
3900                                     if( uint32( compalg ) == 0 )
3901                                     {
3902                                         tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
3903                                     }
3904                                 }
3905                                 else
3906                                 {
3907                                     MkvTree( sys.demuxer, 6, "Unknown (%s)", typeid(*l4).name() );
3908                                 }
3909                             }
3910                         }
3911
3912                         else
3913                         {
3914                             MkvTree( sys.demuxer, 5, "Unknown (%s)", typeid(*l3).name() );
3915                         }
3916                     }
3917                     
3918                 }
3919                 else
3920                 {
3921                     MkvTree( sys.demuxer, 4, "Unknown (%s)", typeid(*l2).name() );
3922                 }
3923             }
3924                 
3925         }
3926 //        else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
3927 //        {
3928 //            KaxCodecSettings &cset = *(KaxCodecSettings*)l;
3929
3930 //            tk->psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
3931 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Settings=%s", tk->psz_codec_settings );
3932 //        }
3933 //        else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
3934 //        {
3935 //            KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
3936
3937 //            tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
3938 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_info_url );
3939 //        }
3940 //        else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
3941 //        {
3942 //            KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
3943
3944 //            tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
3945 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Info URL=%s", tk->psz_codec_download_url );
3946 //        }
3947 //        else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
3948 //        {
3949 //            KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
3950
3951 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
3952 //        }
3953 //        else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
3954 //        {
3955 //            KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
3956
3957 //            msg_Dbg( &sys.demuxer, "|   |   |   + Track Overlay=%u <== UNUSED", uint32( tovr ) );
3958 //        }
3959         else  if( MKV_IS_ID( l, KaxTrackVideo ) )
3960         {
3961             EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
3962             unsigned int j;
3963
3964             msg_Dbg( &sys.demuxer, "|   |   |   + Track Video" );
3965             tk->f_fps = 0.0;
3966
3967             for( j = 0; j < tkv->ListSize(); j++ )
3968             {
3969                 EbmlElement *l = (*tkv)[j];
3970 //                if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
3971 //                {
3972 //                    KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
3973
3974 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Interlaced=%u", uint8( fint ) );
3975 //                }
3976 //                else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
3977 //                {
3978 //                    KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
3979
3980 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Stereo Mode=%u", uint8( stereo ) );
3981 //                }
3982 //                else
3983                 if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
3984                 {
3985                     KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
3986
3987                     tk->fmt.video.i_width = uint16( vwidth );
3988                     msg_Dbg( &sys.demuxer, "|   |   |   |   + width=%d", uint16( vwidth ) );
3989                 }
3990                 else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
3991                 {
3992                     KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
3993
3994                     tk->fmt.video.i_height = uint16( vheight );
3995                     msg_Dbg( &sys.demuxer, "|   |   |   |   + height=%d", uint16( vheight ) );
3996                 }
3997                 else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
3998                 {
3999                     KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
4000
4001                     tk->fmt.video.i_visible_width = uint16( vwidth );
4002                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display width=%d", uint16( vwidth ) );
4003                 }
4004                 else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
4005                 {
4006                     KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
4007
4008                     tk->fmt.video.i_visible_height = uint16( vheight );
4009                     msg_Dbg( &sys.demuxer, "|   |   |   |   + display height=%d", uint16( vheight ) );
4010                 }
4011                 else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
4012                 {
4013                     KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
4014
4015                     tk->f_fps = float( vfps );
4016                     msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( vfps ) );
4017                 }
4018 //                else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
4019 //                {
4020 //                     KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
4021
4022 //                    msg_Dbg( &sys.demuxer, "|   |   |   |   + Track Video Display Unit=%s",
4023 //                             uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
4024 //                }
4025 //                else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
4026 //                {
4027 //                    KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
4028
4029 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
4030 //                }
4031 //                else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
4032 //                {
4033 //                    KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
4034
4035 //                    msg_Dbg( &sys.demuxer, "   |   |   |   + fps=%f", float( gamma ) );
4036 //                }
4037                 else
4038                 {
4039                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4040                 }
4041             }
4042             if ( tk->fmt.video.i_visible_height && tk->fmt.video.i_visible_width )
4043                 tk->fmt.video.i_aspect = VOUT_ASPECT_FACTOR * tk->fmt.video.i_visible_width / tk->fmt.video.i_visible_height;
4044         }
4045         else  if( MKV_IS_ID( l, KaxTrackAudio ) )
4046         {
4047             EbmlMaster *tka = static_cast<EbmlMaster*>(l);
4048             unsigned int j;
4049
4050             msg_Dbg( &sys.demuxer, "|   |   |   + Track Audio" );
4051
4052             for( j = 0; j < tka->ListSize(); j++ )
4053             {
4054                 EbmlElement *l = (*tka)[j];
4055
4056                 if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
4057                 {
4058                     KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
4059
4060                     tk->fmt.audio.i_rate = (int)float( afreq );
4061                     msg_Dbg( &sys.demuxer, "|   |   |   |   + afreq=%d", tk->fmt.audio.i_rate );
4062                 }
4063                 else if( MKV_IS_ID( l, KaxAudioChannels ) )
4064                 {
4065                     KaxAudioChannels &achan = *(KaxAudioChannels*)l;
4066
4067                     tk->fmt.audio.i_channels = uint8( achan );
4068                     msg_Dbg( &sys.demuxer, "|   |   |   |   + achan=%u", uint8( achan ) );
4069                 }
4070                 else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
4071                 {
4072                     KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
4073
4074                     tk->fmt.audio.i_bitspersample = uint8( abits );
4075                     msg_Dbg( &sys.demuxer, "|   |   |   |   + abits=%u", uint8( abits ) );
4076                 }
4077                 else
4078                 {
4079                     msg_Dbg( &sys.demuxer, "|   |   |   |   + Unknown (%s)", typeid(*l).name() );
4080                 }
4081             }
4082         }
4083         else
4084         {
4085             msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)",
4086                      typeid(*l).name() );
4087         }
4088     }
4089 }
4090
4091 /*****************************************************************************
4092  * ParseTracks:
4093  *****************************************************************************/
4094 void matroska_segment_c::ParseTracks( KaxTracks *tracks )
4095 {
4096     EbmlElement *el;
4097     unsigned int i;
4098     int i_upper_level = 0;
4099
4100     msg_Dbg( &sys.demuxer, "|   + Tracks" );
4101
4102     /* Master elements */
4103     tracks->Read( es, tracks->Generic().Context, i_upper_level, el, true );
4104
4105     for( i = 0; i < tracks->ListSize(); i++ )
4106     {
4107         EbmlElement *l = (*tracks)[i];
4108
4109         if( MKV_IS_ID( l, KaxTrackEntry ) )
4110         {
4111             ParseTrackEntry( static_cast<KaxTrackEntry *>(l) );
4112         }
4113         else
4114         {
4115             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4116         }
4117     }
4118 }
4119
4120 /*****************************************************************************
4121  * ParseInfo:
4122  *****************************************************************************/
4123 void matroska_segment_c::ParseInfo( KaxInfo *info )
4124 {
4125     EbmlElement *el;
4126     EbmlMaster  *m;
4127     size_t i, j;
4128     int i_upper_level = 0;
4129
4130     msg_Dbg( &sys.demuxer, "|   + Information" );
4131
4132     /* Master elements */
4133     m = static_cast<EbmlMaster *>(info);
4134     m->Read( es, info->Generic().Context, i_upper_level, el, true );
4135
4136     for( i = 0; i < m->ListSize(); i++ )
4137     {
4138         EbmlElement *l = (*m)[i];
4139
4140         if( MKV_IS_ID( l, KaxSegmentUID ) )
4141         {
4142             segment_uid = *(new KaxSegmentUID(*static_cast<KaxSegmentUID*>(l)));
4143
4144             msg_Dbg( &sys.demuxer, "|   |   + UID=%d", *(uint32*)segment_uid.GetBuffer() );
4145         }
4146         else if( MKV_IS_ID( l, KaxPrevUID ) )
4147         {
4148             prev_segment_uid = *(new KaxPrevUID(*static_cast<KaxPrevUID*>(l)));
4149
4150             msg_Dbg( &sys.demuxer, "|   |   + PrevUID=%d", *(uint32*)prev_segment_uid.GetBuffer() );
4151         }
4152         else if( MKV_IS_ID( l, KaxNextUID ) )
4153         {
4154             next_segment_uid = *(new KaxNextUID(*static_cast<KaxNextUID*>(l)));
4155
4156             msg_Dbg( &sys.demuxer, "|   |   + NextUID=%d", *(uint32*)next_segment_uid.GetBuffer() );
4157         }
4158         else if( MKV_IS_ID( l, KaxTimecodeScale ) )
4159         {
4160             KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
4161
4162             i_timescale = uint64(tcs);
4163
4164             msg_Dbg( &sys.demuxer, "|   |   + TimecodeScale="I64Fd,
4165                      i_timescale );
4166         }
4167         else if( MKV_IS_ID( l, KaxDuration ) )
4168         {
4169             KaxDuration &dur = *(KaxDuration*)l;
4170
4171             i_duration = mtime_t( double( dur ) );
4172
4173             msg_Dbg( &sys.demuxer, "|   |   + Duration="I64Fd,
4174                      i_duration );
4175         }
4176         else if( MKV_IS_ID( l, KaxMuxingApp ) )
4177         {
4178             KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
4179
4180             psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
4181
4182             msg_Dbg( &sys.demuxer, "|   |   + Muxing Application=%s",
4183                      psz_muxing_application );
4184         }
4185         else if( MKV_IS_ID( l, KaxWritingApp ) )
4186         {
4187             KaxWritingApp &wapp = *(KaxWritingApp*)l;
4188
4189             psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
4190
4191             msg_Dbg( &sys.demuxer, "|   |   + Writing Application=%s",
4192                      psz_writing_application );
4193         }
4194         else if( MKV_IS_ID( l, KaxSegmentFilename ) )
4195         {
4196             KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
4197
4198             psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
4199
4200             msg_Dbg( &sys.demuxer, "|   |   + Segment Filename=%s",
4201                      psz_segment_filename );
4202         }
4203         else if( MKV_IS_ID( l, KaxTitle ) )
4204         {
4205             KaxTitle &title = *(KaxTitle*)l;
4206
4207             psz_title = UTF8ToStr( UTFstring( title ) );
4208
4209             msg_Dbg( &sys.demuxer, "|   |   + Title=%s", psz_title );
4210         }
4211         else if( MKV_IS_ID( l, KaxSegmentFamily ) )
4212         {
4213             KaxSegmentFamily *uid = static_cast<KaxSegmentFamily*>(l);
4214
4215             families.push_back(*uid);
4216
4217             msg_Dbg( &sys.demuxer, "|   |   + family=%d", *(uint32*)uid->GetBuffer() );
4218         }
4219 #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
4220         else if( MKV_IS_ID( l, KaxDateUTC ) )
4221         {
4222             KaxDateUTC &date = *(KaxDateUTC*)l;
4223             time_t i_date;
4224             struct tm tmres;
4225             char   buffer[256];
4226
4227             i_date = date.GetEpochDate();
4228             memset( buffer, 0, 256 );
4229             if( gmtime_r( &i_date, &tmres ) &&
4230                 asctime_r( &tmres, buffer ) )
4231             {
4232                 buffer[strlen( buffer)-1]= '\0';
4233                 psz_date_utc = strdup( buffer );
4234                 msg_Dbg( &sys.demuxer, "|   |   + Date=%s", psz_date_utc );
4235             }
4236         }
4237 #endif
4238 #if LIBMATROSKA_VERSION >= 0x000704
4239         else if( MKV_IS_ID( l, KaxChapterTranslate ) )
4240         {
4241             KaxChapterTranslate *p_trans = static_cast<KaxChapterTranslate*>( l );
4242             chapter_translation_c translated;
4243
4244             p_trans->Read( es, p_trans->Generic().Context, i_upper_level, el, true );
4245             for( j = 0; j < p_trans->ListSize(); j++ )
4246             {
4247                 EbmlElement *l = (*p_trans)[j];
4248
4249                 if( MKV_IS_ID( l, KaxChapterTranslateEditionUID ) )
4250                 {
4251                     translated.editions.push_back( uint64( *static_cast<KaxChapterTranslateEditionUID*>( l ) ) );
4252                 }
4253                 else if( MKV_IS_ID( l, KaxChapterTranslateCodec ) )
4254                 {
4255                     translated.codec_id = uint32( *static_cast<KaxChapterTranslateCodec*>( l ) );
4256                 }
4257                 else if( MKV_IS_ID( l, KaxChapterTranslateID ) )
4258                 {
4259                     translated.translated = *( new KaxChapterTranslateID( *static_cast<KaxChapterTranslateID*>( l ) ) );
4260                 }
4261             }
4262
4263             translations.push_back( translated );
4264         }
4265 #endif
4266         else
4267         {
4268             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4269         }
4270     }
4271
4272     double f_dur = double(i_duration) * double(i_timescale) / 1000000.0;
4273     i_duration = mtime_t(f_dur);
4274 }
4275
4276
4277 /*****************************************************************************
4278  * ParseChapterAtom
4279  *****************************************************************************/
4280 void matroska_segment_c::ParseChapterAtom( int i_level, KaxChapterAtom *ca, chapter_item_c & chapters )
4281 {
4282     size_t i, j;
4283
4284     msg_Dbg( &sys.demuxer, "|   |   |   + ChapterAtom (level=%d)", i_level );
4285     for( i = 0; i < ca->ListSize(); i++ )
4286     {
4287         EbmlElement *l = (*ca)[i];
4288
4289         if( MKV_IS_ID( l, KaxChapterUID ) )
4290         {
4291             chapters.i_uid = uint64_t(*(KaxChapterUID*)l);
4292             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterUID: %lld", chapters.i_uid );
4293         }
4294         else if( MKV_IS_ID( l, KaxChapterFlagHidden ) )
4295         {
4296             KaxChapterFlagHidden &flag =*(KaxChapterFlagHidden*)l;
4297             chapters.b_display_seekpoint = uint8( flag ) == 0;
4298
4299             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterFlagHidden: %s", chapters.b_display_seekpoint ? "no":"yes" );
4300         }
4301         else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
4302         {
4303             KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
4304             chapters.i_start_time = uint64( start ) / I64C(1000);
4305
4306             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeStart: %lld", chapters.i_start_time );
4307         }
4308         else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
4309         {
4310             KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
4311             chapters.i_end_time = uint64( end ) / I64C(1000);
4312
4313             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterTimeEnd: %lld", chapters.i_end_time );
4314         }
4315         else if( MKV_IS_ID( l, KaxChapterDisplay ) )
4316         {
4317             EbmlMaster *cd = static_cast<EbmlMaster *>(l);
4318
4319             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterDisplay" );
4320             for( j = 0; j < cd->ListSize(); j++ )
4321             {
4322                 EbmlElement *l= (*cd)[j];
4323
4324                 if( MKV_IS_ID( l, KaxChapterString ) )
4325                 {
4326                     int k;
4327
4328                     KaxChapterString &name =*(KaxChapterString*)l;
4329                     for (k = 0; k < i_level; k++)
4330                         chapters.psz_name += '+';
4331                     chapters.psz_name += ' ';
4332                     chapters.psz_name += UTF8ToStr( UTFstring( name ) );
4333                     chapters.b_user_display = true;
4334
4335                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterString '%s'", UTF8ToStr(UTFstring(name)) );
4336                 }
4337                 else if( MKV_IS_ID( l, KaxChapterLanguage ) )
4338                 {
4339                     KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
4340                     const char *psz = string( lang ).c_str();
4341
4342                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterLanguage '%s'", psz );
4343                 }
4344                 else if( MKV_IS_ID( l, KaxChapterCountry ) )
4345                 {
4346                     KaxChapterCountry &ct =*(KaxChapterCountry*)l;
4347                     const char *psz = string( ct ).c_str();
4348
4349                     msg_Dbg( &sys.demuxer, "|   |   |   |   |    + ChapterCountry '%s'", psz );
4350                 }
4351             }
4352         }
4353         else if( MKV_IS_ID( l, KaxChapterProcess ) )
4354         {
4355             msg_Dbg( &sys.demuxer, "|   |   |   |   + ChapterProcess" );
4356
4357             KaxChapterProcess *cp = static_cast<KaxChapterProcess *>(l);
4358             chapter_codec_cmds_c *p_ccodec = NULL;
4359
4360             for( j = 0; j < cp->ListSize(); j++ )
4361             {
4362                 EbmlElement *k= (*cp)[j];
4363
4364                 if( MKV_IS_ID( k, KaxChapterProcessCodecID ) )
4365                 {
4366                     KaxChapterProcessCodecID *p_codec_id = static_cast<KaxChapterProcessCodecID*>( k );
4367                     if ( uint32(*p_codec_id) == 0 )
4368                         p_ccodec = new matroska_script_codec_c( sys );
4369                     else if ( uint32(*p_codec_id) == 1 )
4370                         p_ccodec = new dvd_chapter_codec_c( sys );
4371                     break;
4372                 }
4373             }
4374
4375             if ( p_ccodec != NULL )
4376             {
4377                 for( j = 0; j < cp->ListSize(); j++ )
4378                 {
4379                     EbmlElement *k= (*cp)[j];
4380
4381                     if( MKV_IS_ID( k, KaxChapterProcessPrivate ) )
4382                     {
4383                         KaxChapterProcessPrivate * p_private = static_cast<KaxChapterProcessPrivate*>( k );
4384                         p_ccodec->SetPrivate( *p_private );
4385                     }
4386                     else if( MKV_IS_ID( k, KaxChapterProcessCommand ) )
4387                     {
4388                         p_ccodec->AddCommand( *static_cast<KaxChapterProcessCommand*>( k ) );
4389                     }
4390                 }
4391                 chapters.codecs.push_back( p_ccodec );
4392             }
4393         }
4394         else if( MKV_IS_ID( l, KaxChapterAtom ) )
4395         {
4396             chapter_item_c *new_sub_chapter = new chapter_item_c();
4397             ParseChapterAtom( i_level+1, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4398             new_sub_chapter->psz_parent = &chapters;
4399             chapters.sub_chapters.push_back( new_sub_chapter );
4400         }
4401     }
4402 }
4403
4404 /*****************************************************************************
4405  * ParseChapters:
4406  *****************************************************************************/
4407 void matroska_segment_c::ParseChapters( KaxChapters *chapters )
4408 {
4409     EbmlElement *el;
4410     size_t i;
4411     int i_upper_level = 0;
4412     mtime_t i_dur;
4413
4414     /* Master elements */
4415     chapters->Read( es, chapters->Generic().Context, i_upper_level, el, true );
4416
4417     for( i = 0; i < chapters->ListSize(); i++ )
4418     {
4419         EbmlElement *l = (*chapters)[i];
4420
4421         if( MKV_IS_ID( l, KaxEditionEntry ) )
4422         {
4423             chapter_edition_c *p_edition = new chapter_edition_c();
4424             
4425             EbmlMaster *E = static_cast<EbmlMaster *>(l );
4426             size_t j;
4427             msg_Dbg( &sys.demuxer, "|   |   + EditionEntry" );
4428             for( j = 0; j < E->ListSize(); j++ )
4429             {
4430                 EbmlElement *l = (*E)[j];
4431
4432                 if( MKV_IS_ID( l, KaxChapterAtom ) )
4433                 {
4434                     chapter_item_c *new_sub_chapter = new chapter_item_c();
4435                     ParseChapterAtom( 0, static_cast<KaxChapterAtom *>(l), *new_sub_chapter );
4436                     p_edition->sub_chapters.push_back( new_sub_chapter );
4437                 }
4438                 else if( MKV_IS_ID( l, KaxEditionUID ) )
4439                 {
4440                     p_edition->i_uid = uint64(*static_cast<KaxEditionUID *>( l ));
4441                 }
4442                 else if( MKV_IS_ID( l, KaxEditionFlagOrdered ) )
4443                 {
4444                     p_edition->b_ordered = config_GetInt( &sys.demuxer, "mkv-use-ordered-chapters" ) ? (uint8(*static_cast<KaxEditionFlagOrdered *>( l )) != 0) : 0;
4445                 }
4446                 else if( MKV_IS_ID( l, KaxEditionFlagDefault ) )
4447                 {
4448                     if (uint8(*static_cast<KaxEditionFlagDefault *>( l )) != 0)
4449                         i_default_edition = stored_editions.size();
4450                 }
4451                 else
4452                 {
4453                     msg_Dbg( &sys.demuxer, "|   |   |   + Unknown (%s)", typeid(*l).name() );
4454                 }
4455             }
4456             stored_editions.push_back( p_edition );
4457         }
4458         else
4459         {
4460             msg_Dbg( &sys.demuxer, "|   |   + Unknown (%s)", typeid(*l).name() );
4461         }
4462     }
4463
4464     for( i = 0; i < stored_editions.size(); i++ )
4465     {
4466         stored_editions[i]->RefreshChapters( );
4467     }
4468     
4469     if ( stored_editions[i_default_edition]->b_ordered )
4470     {
4471         /* update the duration of the segment according to the sum of all sub chapters */
4472         i_dur = stored_editions[i_default_edition]->Duration() / I64C(1000);
4473         if (i_dur > 0)
4474             i_duration = i_dur;
4475     }
4476 }
4477
4478 void matroska_segment_c::ParseCluster( )
4479 {
4480     EbmlElement *el;
4481     EbmlMaster  *m;
4482     unsigned int i;
4483     int i_upper_level = 0;
4484
4485     /* Master elements */
4486     m = static_cast<EbmlMaster *>( cluster );
4487     m->Read( es, cluster->Generic().Context, i_upper_level, el, true );
4488
4489     for( i = 0; i < m->ListSize(); i++ )
4490     {
4491         EbmlElement *l = (*m)[i];
4492
4493         if( MKV_IS_ID( l, KaxClusterTimecode ) )
4494         {
4495             KaxClusterTimecode &ctc = *(KaxClusterTimecode*)l;
4496
4497             cluster->InitTimecode( uint64( ctc ), i_timescale );
4498             break;
4499         }
4500     }
4501
4502     i_start_time = cluster->GlobalTimecode() / 1000;
4503 }
4504
4505 /*****************************************************************************
4506  * InformationCreate:
4507  *****************************************************************************/
4508 void matroska_segment_c::InformationCreate( )
4509 {
4510     size_t      i_track;
4511
4512     sys.meta = vlc_meta_New();
4513
4514     if( psz_title )
4515     {
4516         vlc_meta_Add( sys.meta, VLC_META_TITLE, psz_title );
4517     }
4518     if( psz_date_utc )
4519     {
4520         vlc_meta_Add( sys.meta, VLC_META_DATE, psz_date_utc );
4521     }
4522     if( psz_segment_filename )
4523     {
4524         vlc_meta_Add( sys.meta, _("Segment filename"), psz_segment_filename );
4525     }
4526     if( psz_muxing_application )
4527     {
4528         vlc_meta_Add( sys.meta, _("Muxing application"), psz_muxing_application );
4529     }
4530     if( psz_writing_application )
4531     {
4532         vlc_meta_Add( sys.meta, _("Writing application"), psz_writing_application );
4533     }
4534
4535     for( i_track = 0; i_track < tracks.size(); i_track++ )
4536     {
4537         mkv_track_t *tk = tracks[i_track];
4538         vlc_meta_t *mtk = vlc_meta_New();
4539
4540         sys.meta->track = (vlc_meta_t**)realloc( sys.meta->track,
4541                                                     sizeof( vlc_meta_t * ) * ( sys.meta->i_track + 1 ) );
4542         sys.meta->track[sys.meta->i_track++] = mtk;
4543
4544         if( tk->fmt.psz_description )
4545         {
4546             vlc_meta_Add( sys.meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
4547         }
4548         if( tk->psz_codec_name )
4549         {
4550             vlc_meta_Add( sys.meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
4551         }
4552         if( tk->psz_codec_settings )
4553         {
4554             vlc_meta_Add( sys.meta, VLC_META_SETTING, tk->psz_codec_settings );
4555         }
4556         if( tk->psz_codec_info_url )
4557         {
4558             vlc_meta_Add( sys.meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
4559         }
4560         if( tk->psz_codec_download_url )
4561         {
4562             vlc_meta_Add( sys.meta, VLC_META_URL, tk->psz_codec_download_url );
4563         }
4564     }
4565
4566     if( i_tags_position >= 0 )
4567     {
4568         vlc_bool_t b_seekable;
4569
4570         stream_Control( sys.demuxer.s, STREAM_CAN_FASTSEEK, &b_seekable );
4571         if( b_seekable )
4572         {
4573             LoadTags( );
4574         }
4575     }
4576 }
4577
4578
4579 /*****************************************************************************
4580  * Divers
4581  *****************************************************************************/
4582
4583 void matroska_segment_c::IndexAppendCluster( KaxCluster *cluster )
4584 {
4585 #define idx index[i_index]
4586     idx.i_track       = -1;
4587     idx.i_block_number= -1;
4588     idx.i_position    = cluster->GetElementPosition();
4589     idx.i_time        = -1;
4590     idx.b_key         = VLC_TRUE;
4591
4592     i_index++;
4593     if( i_index >= i_index_max )
4594     {
4595         i_index_max += 1024;
4596         index = (mkv_index_t*)realloc( index, sizeof( mkv_index_t ) * i_index_max );
4597     }
4598 #undef idx
4599 }
4600
4601 static char * UTF8ToStr( const UTFstring &u )
4602 {
4603     int     i_src;
4604     const wchar_t *src;
4605     char *dst, *p;
4606
4607     i_src = u.length();
4608     src   = u.c_str();
4609
4610     p = dst = (char*)malloc( i_src + 1);
4611     while( i_src > 0 )
4612     {
4613         if( *src < 255 )
4614         {
4615             *p++ = (char)*src;
4616         }
4617         else
4618         {
4619             *p++ = '?';
4620         }
4621         src++;
4622         i_src--;
4623     }
4624     *p++= '\0';
4625
4626     return dst;
4627 }
4628
4629 void chapter_edition_c::RefreshChapters( )
4630 {
4631     chapter_item_c::RefreshChapters( b_ordered, -1 );
4632     b_display_seekpoint = false;
4633 }
4634
4635 int64_t chapter_item_c::RefreshChapters( bool b_ordered, int64_t i_prev_user_time )
4636 {
4637     int64_t i_user_time = i_prev_user_time;
4638     
4639     // first the sub-chapters, and then ourself
4640     std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4641     while ( index != sub_chapters.end() )
4642     {
4643         i_user_time = (*index)->RefreshChapters( b_ordered, i_user_time );
4644         index++;
4645     }
4646
4647     if ( b_ordered )
4648     {
4649         // the ordered chapters always start at zero
4650         if ( i_prev_user_time == -1 )
4651         {
4652             if ( i_user_time == -1 )
4653                 i_user_time = 0;
4654             i_prev_user_time = 0;
4655         }
4656
4657         i_user_start_time = i_prev_user_time;
4658         if ( i_end_time != -1 && i_user_time == i_prev_user_time )
4659         {
4660             i_user_end_time = i_user_start_time - i_start_time + i_end_time;
4661         }
4662         else
4663         {
4664             i_user_end_time = i_user_time;
4665         }
4666     }
4667     else
4668     {
4669         std::sort( sub_chapters.begin(), sub_chapters.end() );
4670         i_user_start_time = i_start_time;
4671         if ( i_end_time != -1 )
4672             i_user_end_time = i_end_time;
4673         else if ( i_user_time != -1 )
4674             i_user_end_time = i_user_time;
4675         else
4676             i_user_end_time = i_user_start_time;
4677     }
4678
4679     return i_user_end_time;
4680 }
4681
4682 mtime_t chapter_edition_c::Duration() const
4683 {
4684     mtime_t i_result = 0;
4685     
4686     if ( sub_chapters.size() )
4687     {
4688         std::vector<chapter_item_c*>::const_iterator index = sub_chapters.end();
4689         index--;
4690         i_result = (*index)->i_user_end_time;
4691     }
4692     
4693     return i_result;
4694 }
4695
4696 chapter_item_c *chapter_item_c::FindTimecode( mtime_t i_user_timecode )
4697 {
4698     chapter_item_c *psz_result = NULL;
4699
4700     if ( i_user_timecode >= i_user_start_time && 
4701         ( i_user_timecode < i_user_end_time || 
4702           ( i_user_start_time == i_user_end_time && i_user_timecode == i_user_end_time )))
4703     {
4704         std::vector<chapter_item_c*>::iterator index = sub_chapters.begin();
4705         while ( index != sub_chapters.end() && psz_result == NULL )
4706         {
4707             psz_result = (*index)->FindTimecode( i_user_timecode );
4708             index++;
4709         }
4710         
4711         if ( psz_result == NULL )
4712             psz_result = this;
4713     }
4714
4715     return psz_result;
4716 }
4717
4718 bool chapter_item_c::ParentOf( const chapter_item_c & item ) const
4719 {
4720     if ( &item == this )
4721         return true;
4722
4723     std::vector<chapter_item_c*>::const_iterator index = sub_chapters.begin();
4724     while ( index != sub_chapters.end() )
4725     {
4726         if ( (*index)->ParentOf( item ) )
4727             return true;
4728         index++;
4729     }
4730
4731     return false;
4732 }
4733
4734 void demux_sys_t::PreloadFamily( const matroska_segment_c & of_segment )
4735 {
4736     for (size_t i=0; i<opened_segments.size(); i++)
4737     {
4738         opened_segments[i]->PreloadFamily( of_segment );
4739     }
4740 }
4741 bool matroska_segment_c::PreloadFamily( const matroska_segment_c & of_segment )
4742 {
4743     if ( b_preloaded )
4744         return false;
4745
4746     for (size_t i=0; i<families.size(); i++)
4747     {
4748         for (size_t j=0; j<of_segment.families.size(); j++)
4749         {
4750             if ( families[i] == of_segment.families[j] )
4751                 return Preload( );
4752         }
4753     }
4754
4755     return false;
4756 }
4757
4758 // preload all the linked segments for all preloaded segments
4759 void demux_sys_t::PreloadLinked( matroska_segment_c *p_segment )
4760 {
4761     size_t i_preloaded, i, j;
4762     virtual_segment_c *p_seg;
4763
4764     p_current_segment = VirtualFromSegments( p_segment );
4765     
4766     used_segments.push_back( p_current_segment );
4767
4768     // create all the other virtual segments of the family
4769     do {
4770         i_preloaded = 0;
4771         for ( i=0; i< opened_segments.size(); i++ )
4772         {
4773             if ( opened_segments[i]->b_preloaded && !IsUsedSegment( *opened_segments[i] ) )
4774             {
4775                 p_seg = VirtualFromSegments( opened_segments[i] );
4776                 used_segments.push_back( p_seg );
4777                 i_preloaded++;
4778             }
4779         }
4780     } while ( i_preloaded ); // worst case: will stop when all segments are found as family related
4781
4782     // publish all editions of all usable segment
4783     for ( i=0; i< used_segments.size(); i++ )
4784     {
4785         p_seg = used_segments[i];
4786         if ( p_seg->p_editions != NULL )
4787         {
4788             std::string sz_name;
4789             input_title_t *p_title = vlc_input_title_New();
4790             p_seg->i_sys_title = i;
4791             int i_chapters;
4792
4793             // TODO use a name for each edition, let the TITLE deal with a codec name
4794             for ( j=0; j<p_seg->p_editions->size(); j++ )
4795             {
4796                 if ( p_title->psz_name == NULL )
4797                 {
4798                     sz_name = (*p_seg->p_editions)[j]->GetMainName();
4799                     if ( sz_name != "" )
4800                         p_title->psz_name = strdup( sz_name.c_str() );
4801                 }
4802
4803                 chapter_edition_c *p_edition = (*p_seg->p_editions)[j];
4804
4805                 i_chapters = 0;
4806                 p_edition->PublishChapters( *p_title, i_chapters, 0 );
4807             }
4808
4809             // create a name if there is none
4810             if ( p_title->psz_name == NULL )
4811             {
4812                 sz_name = N_("Segment ");
4813                 char psz_str[6];
4814                 sprintf( psz_str, "%d", i );
4815                 sz_name += psz_str;
4816                 p_title->psz_name = strdup( sz_name.c_str() );
4817             }
4818
4819             titles.push_back( *p_title );
4820         }
4821     }
4822
4823     // TODO decide which segment should be first used (VMG for DVD)
4824 }
4825
4826 bool demux_sys_t::IsUsedSegment( matroska_segment_c &segment ) const
4827 {
4828     for ( size_t i=0; i< used_segments.size(); i++ )
4829     {
4830         if ( used_segments[i]->FindUID( segment.segment_uid ) )
4831             return true;
4832     }
4833     return false;
4834 }
4835
4836 virtual_segment_c *demux_sys_t::VirtualFromSegments( matroska_segment_c *p_segment ) const
4837 {
4838     size_t i_preloaded, i;
4839
4840     virtual_segment_c *p_result = new virtual_segment_c( p_segment );
4841
4842     // fill our current virtual segment with all hard linked segments
4843     do {
4844         i_preloaded = 0;
4845         for ( i=0; i< opened_segments.size(); i++ )
4846         {
4847             i_preloaded += p_result->AddSegment( opened_segments[i] );
4848         }
4849     } while ( i_preloaded ); // worst case: will stop when all segments are found as linked
4850
4851     p_result->Sort( );
4852
4853     p_result->PreloadLinked( );
4854
4855     p_result->PrepareChapters( );
4856
4857     return p_result;
4858 }
4859
4860 bool demux_sys_t::PreparePlayback( virtual_segment_c *p_new_segment )
4861 {
4862     if ( p_new_segment != NULL && p_new_segment != p_current_segment )
4863     {
4864         if ( p_current_segment != NULL && p_current_segment->Segment() != NULL )
4865             p_current_segment->Segment()->UnSelect();
4866
4867         p_current_segment = p_new_segment;
4868         i_current_title = p_new_segment->i_sys_title;
4869     }
4870
4871     p_current_segment->LoadCues();
4872     f_duration = p_current_segment->Duration();
4873
4874     /* add information */
4875     p_current_segment->Segment()->InformationCreate( );
4876
4877     p_current_segment->Segment()->Select( 0 );
4878
4879     return true;
4880 }
4881
4882 bool matroska_segment_c::CompareSegmentUIDs( const matroska_segment_c * p_item_a, const matroska_segment_c * p_item_b )
4883 {
4884     EbmlBinary * p_itema = (EbmlBinary *)(&p_item_a->segment_uid);
4885     if ( *p_itema == p_item_b->prev_segment_uid )
4886         return true;
4887
4888     p_itema = (EbmlBinary *)(&p_item_a->next_segment_uid);
4889     if ( *p_itema == p_item_b->segment_uid )
4890         return true;
4891
4892     if ( *p_itema == p_item_b->prev_segment_uid )
4893         return true;
4894
4895     return false;
4896 }
4897
4898 bool matroska_segment_c::Preload( )
4899 {
4900     if ( b_preloaded )
4901         return false;
4902
4903     EbmlElement *el = NULL;
4904
4905     ep->Reset( &sys.demuxer );
4906
4907     while( ( el = ep->Get() ) != NULL )
4908     {
4909         if( MKV_IS_ID( el, KaxInfo ) )
4910         {
4911             ParseInfo( static_cast<KaxInfo*>( el ) );
4912         }
4913         else if( MKV_IS_ID( el, KaxTracks ) )
4914         {
4915             ParseTracks( static_cast<KaxTracks*>( el ) );
4916         }
4917         else if( MKV_IS_ID( el, KaxSeekHead ) )
4918         {
4919             ParseSeekHead( static_cast<KaxSeekHead*>( el ) );
4920         }
4921         else if( MKV_IS_ID( el, KaxCues ) )
4922         {
4923             msg_Dbg( &sys.demuxer, "|   + Cues" );
4924         }
4925         else if( MKV_IS_ID( el, KaxCluster ) )
4926         {
4927             msg_Dbg( &sys.demuxer, "|   + Cluster" );
4928
4929             cluster = (KaxCluster*)el;
4930
4931             i_start_pos = cluster->GetElementPosition();
4932             ParseCluster( );
4933
4934             ep->Down();
4935             /* stop parsing the stream */
4936             break;
4937         }
4938         else if( MKV_IS_ID( el, KaxAttachments ) )
4939         {
4940             msg_Dbg( &sys.demuxer, "|   + Attachments FIXME (but probably never supported)" );
4941         }
4942         else if( MKV_IS_ID( el, KaxChapters ) )
4943         {
4944             msg_Dbg( &sys.demuxer, "|   + Chapters" );
4945             ParseChapters( static_cast<KaxChapters*>( el ) );
4946         }
4947         else if( MKV_IS_ID( el, KaxTag ) )
4948         {
4949             msg_Dbg( &sys.demuxer, "|   + Tags FIXME TODO" );
4950         }
4951         else
4952         {
4953             msg_Dbg( &sys.demuxer, "|   + Unknown (%s)", typeid(*el).name() );
4954         }
4955     }
4956
4957     b_preloaded = true;
4958
4959     return true;
4960 }
4961
4962 matroska_segment_c *demux_sys_t::FindSegment( const EbmlBinary & uid ) const
4963 {
4964     for (size_t i=0; i<opened_segments.size(); i++)
4965     {
4966         if ( opened_segments[i]->segment_uid == uid )
4967             return opened_segments[i];
4968     }
4969     return NULL;
4970 }
4971
4972 chapter_item_c *demux_sys_t::BrowseCodecPrivate( unsigned int codec_id, 
4973                                         bool (*match)(const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size ), 
4974                                         const void *p_cookie, 
4975                                         size_t i_cookie_size, 
4976                                         virtual_segment_c * &p_segment_found )
4977 {
4978     chapter_item_c *p_result = NULL;
4979     for (size_t i=0; i<used_segments.size(); i++)
4980     {
4981         p_result = used_segments[i]->BrowseCodecPrivate( codec_id, match, p_cookie, i_cookie_size );
4982         if ( p_result != NULL )
4983         {
4984             p_segment_found = used_segments[i];
4985             break;
4986         }
4987     }
4988     return p_result;
4989 }
4990
4991 chapter_item_c *demux_sys_t::FindChapter( int64_t i_find_uid, virtual_segment_c * & p_segment_found )
4992 {
4993     chapter_item_c *p_result = NULL;
4994     for (size_t i=0; i<used_segments.size(); i++)
4995     {
4996         p_result = used_segments[i]->FindChapter( i_find_uid );
4997         if ( p_result != NULL )
4998         {
4999             p_segment_found = used_segments[i];
5000             break;
5001         }
5002     }
5003     return p_result;
5004 }
5005
5006 void virtual_segment_c::Sort()
5007 {
5008     // keep the current segment index
5009     matroska_segment_c *p_segment = linked_segments[i_current_segment];
5010
5011     std::sort( linked_segments.begin(), linked_segments.end(), matroska_segment_c::CompareSegmentUIDs );
5012
5013     for ( i_current_segment=0; i_current_segment<linked_segments.size(); i_current_segment++)
5014         if ( linked_segments[i_current_segment] == p_segment )
5015             break;
5016 }
5017
5018 size_t virtual_segment_c::AddSegment( matroska_segment_c *p_segment )
5019 {
5020     size_t i;
5021     // check if it's not already in here
5022     for ( i=0; i<linked_segments.size(); i++ )
5023     {
5024         if ( p_segment->segment_uid == linked_segments[i]->segment_uid )
5025             return 0;
5026     }
5027
5028     // find possible mates
5029     for ( i=0; i<linked_uids.size(); i++ )
5030     {
5031         if (   p_segment->segment_uid == linked_uids[i] 
5032             || p_segment->prev_segment_uid == linked_uids[i] 
5033             || p_segment->next_segment_uid == linked_uids[i] )
5034         {
5035             linked_segments.push_back( p_segment );
5036
5037             AppendUID( p_segment->prev_segment_uid );
5038             AppendUID( p_segment->next_segment_uid );
5039
5040             return 1;
5041         }
5042     }
5043     return 0;
5044 }
5045
5046 void virtual_segment_c::PreloadLinked( )
5047 {
5048     for ( size_t i=0; i<linked_segments.size(); i++ )
5049     {
5050         linked_segments[i]->Preload( );
5051     }
5052     i_current_edition = linked_segments[0]->i_default_edition;
5053 }
5054
5055 mtime_t virtual_segment_c::Duration() const
5056 {
5057     mtime_t i_duration;
5058     if ( linked_segments.size() == 0 )
5059         i_duration = 0;
5060     else {
5061         matroska_segment_c *p_last_segment = linked_segments[linked_segments.size()-1];
5062 //        p_last_segment->ParseCluster( );
5063
5064         i_duration = p_last_segment->i_start_time / 1000 + p_last_segment->i_duration;
5065     }
5066     return i_duration;
5067 }
5068
5069 void virtual_segment_c::LoadCues( )
5070 {
5071     for ( size_t i=0; i<linked_segments.size(); i++ )
5072     {
5073         linked_segments[i]->LoadCues();
5074     }
5075 }
5076
5077 void virtual_segment_c::AppendUID( const EbmlBinary & UID )
5078 {
5079     if ( UID.GetBuffer() == NULL )
5080         return;
5081
5082     for (size_t i=0; i<linked_uids.size(); i++)
5083     {
5084         if ( UID == linked_uids[i] )
5085             return;
5086     }
5087     linked_uids.push_back( *(KaxSegmentUID*)(&UID) );
5088 }
5089
5090 void matroska_segment_c::Seek( mtime_t i_date, mtime_t i_time_offset )
5091 {
5092     KaxBlock    *block;
5093     int         i_track_skipping;
5094     int64_t     i_block_duration;
5095     int64_t     i_block_ref1;
5096     int64_t     i_block_ref2;
5097     size_t      i_track;
5098     int64_t     i_seek_position = i_start_pos;
5099     int64_t     i_seek_time = i_start_time;
5100
5101     if ( i_index > 0 )
5102     {
5103         int i_idx = 0;
5104
5105         for( ; i_idx < i_index; i_idx++ )
5106         {
5107             if( index[i_idx].i_time + i_time_offset > i_date )
5108             {
5109                 break;
5110             }
5111         }
5112
5113         if( i_idx > 0 )
5114         {
5115             i_idx--;
5116         }
5117
5118         i_seek_position = index[i_idx].i_position;
5119         i_seek_time = index[i_idx].i_time;
5120     }
5121
5122     msg_Dbg( &sys.demuxer, "seek got "I64Fd" (%d%%)",
5123                 i_seek_time, (int)( 100 * i_seek_position / stream_Size( sys.demuxer.s ) ) );
5124
5125     es.I_O().setFilePointer( i_seek_position, seek_beginning );
5126
5127     delete ep;
5128     ep = new EbmlParser( &es, segment, &sys.demuxer );
5129     cluster = NULL;
5130
5131     sys.i_start_pts = i_date;
5132
5133     es_out_Control( sys.demuxer.out, ES_OUT_RESET_PCR );
5134
5135     /* now parse until key frame */
5136     i_track_skipping = 0;
5137     for( i_track = 0; i_track < tracks.size(); i_track++ )
5138     {
5139         if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5140         {
5141             tracks[i_track]->b_search_keyframe = VLC_TRUE;
5142             i_track_skipping++;
5143         }
5144         es_out_Control( sys.demuxer.out, ES_OUT_SET_NEXT_DISPLAY_TIME, tracks[i_track]->p_es, i_date );
5145     }
5146
5147
5148     while( i_track_skipping > 0 )
5149     {
5150         if( BlockGet( &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
5151         {
5152             msg_Warn( &sys.demuxer, "cannot get block EOF?" );
5153
5154             return;
5155         }
5156
5157         for( i_track = 0; i_track < tracks.size(); i_track++ )
5158         {
5159             if( tracks[i_track]->i_number == block->TrackNum() )
5160             {
5161                 break;
5162             }
5163         }
5164
5165         sys.i_pts = sys.i_chapter_time + block->GlobalTimecode() / (mtime_t) 1000;
5166
5167         if( i_track < tracks.size() )
5168         {
5169             if( sys.i_pts >= sys.i_start_pts )
5170             {
5171                 BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5172                 i_track_skipping = 0;
5173             }
5174             else if( tracks[i_track]->fmt.i_cat == VIDEO_ES )
5175             {
5176                 if( i_block_ref1 == -1 && tracks[i_track]->b_search_keyframe )
5177                 {
5178                     tracks[i_track]->b_search_keyframe = VLC_FALSE;
5179                     i_track_skipping--;
5180                 }
5181                 if( !tracks[i_track]->b_search_keyframe )
5182                 {
5183                     BlockDecode( &sys.demuxer, block, sys.i_pts, 0 );
5184                 }
5185             } 
5186         }
5187
5188         delete block;
5189     }
5190 }
5191
5192 void virtual_segment_c::Seek( demux_t & demuxer, mtime_t i_date, mtime_t i_time_offset, chapter_item_c *psz_chapter )
5193 {
5194     demux_sys_t *p_sys = demuxer.p_sys;
5195     size_t i;
5196
5197     // find the actual time for an ordered edition
5198     if ( psz_chapter == NULL )
5199     {
5200         if ( Edition() && Edition()->b_ordered )
5201         {
5202             /* 1st, we need to know in which chapter we are */
5203             psz_chapter = (*p_editions)[i_current_edition]->FindTimecode( i_date );
5204         }
5205     }
5206
5207     if ( psz_chapter != NULL )
5208     {
5209         psz_current_chapter = psz_chapter;
5210         p_sys->i_chapter_time = i_time_offset = psz_chapter->i_user_start_time - psz_chapter->i_start_time;
5211         if ( psz_chapter->i_seekpoint_num > 0 )
5212         {
5213             demuxer.info.i_update |= INPUT_UPDATE_TITLE | INPUT_UPDATE_SEEKPOINT;
5214             demuxer.info.i_title = p_sys->i_current_title = i_sys_title;
5215             demuxer.info.i_seekpoint = psz_chapter->i_seekpoint_num - 1;
5216         }
5217     }
5218
5219     // find the best matching segment
5220     for ( i=0; i<linked_segments.size(); i++ )
5221     {
5222         if ( i_date < linked_segments[i]->i_start_time )
5223             break;
5224     }
5225
5226     if ( i > 0 )
5227         i--;
5228
5229     if ( i_current_segment != i  )
5230     {
5231         linked_segments[i_current_segment]->UnSelect();
5232         linked_segments[i]->Select( i_date );
5233         i_current_segment = i;
5234     }
5235
5236     linked_segments[i]->Seek( i_date, i_time_offset );
5237 }
5238
5239 void chapter_codec_cmds_c::AddCommand( const KaxChapterProcessCommand & command )
5240 {
5241     size_t i;
5242
5243     uint32 codec_time = uint32(-1);
5244     for( i = 0; i < command.ListSize(); i++ )
5245     {
5246         const EbmlElement *k = command[i];
5247
5248         if( MKV_IS_ID( k, KaxChapterProcessTime ) )
5249         {
5250             codec_time = uint32( *static_cast<const KaxChapterProcessTime*>( k ) );
5251             break;
5252         }
5253     }
5254
5255     for( i = 0; i < command.ListSize(); i++ )
5256     {
5257         const EbmlElement *k = command[i];
5258
5259         if( MKV_IS_ID( k, KaxChapterProcessData ) )
5260         {
5261             KaxChapterProcessData *p_data =  new KaxChapterProcessData( *static_cast<const KaxChapterProcessData*>( k ) );
5262             switch ( codec_time )
5263             {
5264             case 0:
5265                 during_cmds.push_back( *p_data );
5266                 break;
5267             case 1:
5268                 enter_cmds.push_back( *p_data );
5269                 break;
5270             case 2:
5271                 leave_cmds.push_back( *p_data );
5272                 break;
5273             default:
5274                 delete p_data;
5275             }
5276         }
5277     }
5278 }
5279
5280 bool chapter_item_c::Enter( bool b_do_subs )
5281 {
5282     bool f_result = false;
5283     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5284     while ( index != codecs.end() )
5285     {
5286         f_result |= (*index)->Enter();
5287         index++;
5288     }
5289
5290     if ( b_do_subs )
5291     {
5292         // sub chapters
5293         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5294         while ( index_ != sub_chapters.end() )
5295         {
5296             f_result |= (*index_)->Enter( true );
5297             index_++;
5298         }
5299     }
5300     return f_result;
5301 }
5302
5303 bool chapter_item_c::Leave( bool b_do_subs )
5304 {
5305     bool f_result = false;
5306     b_is_leaving = true;
5307     std::vector<chapter_codec_cmds_c*>::iterator index = codecs.begin();
5308     while ( index != codecs.end() )
5309     {
5310         f_result |= (*index)->Leave();
5311         index++;
5312     }
5313
5314     if ( b_do_subs )
5315     {
5316         // sub chapters
5317         std::vector<chapter_item_c*>::iterator index_ = sub_chapters.begin();
5318         while ( index_ != sub_chapters.end() )
5319         {
5320             f_result |= (*index_)->Leave( true );
5321             index_++;
5322         }
5323     }
5324     b_is_leaving = false;
5325     return f_result;
5326 }
5327
5328 bool chapter_item_c::EnterAndLeave( chapter_item_c *p_item )
5329 {
5330     chapter_item_c *p_common_parent = p_item;
5331
5332     // leave, up to a common parent
5333     while ( p_common_parent != NULL && !p_common_parent->ParentOf( *this ) )
5334     {
5335         if ( !p_common_parent->b_is_leaving && p_common_parent->Leave( false ) )
5336             return true;
5337         p_common_parent = p_common_parent->psz_parent;
5338     }
5339
5340     // enter from the parent to <this>
5341     if ( p_common_parent != NULL )
5342     {
5343         do
5344         {
5345             if ( p_common_parent == this )
5346                 return Enter( true );
5347
5348             for ( size_t i = 0; i<p_common_parent->sub_chapters.size(); i++ )
5349             {
5350                 if ( p_common_parent->sub_chapters[i]->ParentOf( *this ) )
5351                 {
5352                     p_common_parent = p_common_parent->sub_chapters[i];
5353                     if ( p_common_parent != this )
5354                         if ( p_common_parent->Enter( false ) )
5355                             return true;
5356
5357                     break;
5358                 }
5359             }
5360         } while ( 1 );
5361     }
5362
5363     return Enter( true );
5364 }
5365
5366 bool dvd_chapter_codec_c::Enter()
5367 {
5368     bool f_result = false;
5369     std::vector<KaxChapterProcessData>::iterator index = enter_cmds.begin();
5370     while ( index != enter_cmds.end() )
5371     {
5372         if ( (*index).GetSize() )
5373         {
5374             binary *p_data = (*index).GetBuffer();
5375             size_t i_size = *p_data++;
5376             // avoid reading too much from the buffer
5377             i_size = min( i_size, ((*index).GetSize() - 1) >> 3 );
5378             for ( ; i_size > 0; i_size--, p_data += 8 )
5379             {
5380                 msg_Dbg( &sys.demuxer, "Matroska DVD enter command" );
5381                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5382             }
5383         }
5384         index++;
5385     }
5386     return f_result;
5387 }
5388
5389 bool dvd_chapter_codec_c::Leave()
5390 {
5391     bool f_result = false;
5392     std::vector<KaxChapterProcessData>::iterator index = leave_cmds.begin();
5393     while ( index != leave_cmds.end() )
5394     {
5395         if ( (*index).GetSize() )
5396         {
5397             binary *p_data = (*index).GetBuffer();
5398             size_t i_size = *p_data++;
5399             // avoid reading too much from the buffer
5400             i_size = min( i_size, ((*index).GetSize() - 1) >> 3 );
5401             for ( ; i_size > 0; i_size--, p_data += 8 )
5402             {
5403                 msg_Dbg( &sys.demuxer, "Matroska DVD leave command" );
5404                 f_result |= sys.dvd_interpretor.Interpret( p_data );
5405             }
5406         }
5407         index++;
5408     }
5409     return f_result;
5410 }
5411
5412 // see http://www.dvd-replica.com/DVD/vmcmdset.php for a description of DVD commands
5413 bool dvd_command_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5414 {
5415     if ( i_size != 8 )
5416         return false;
5417
5418     virtual_segment_c *p_segment;
5419     chapter_item_c *p_chapter;
5420     bool f_result = false;
5421     uint16 i_command = ( p_command[0] << 8 ) + p_command[1];
5422
5423     // handle register tests if there are some
5424     if ( (i_command & 0xF0) != 0 )
5425     {
5426         bool b_test_positive = (i_command & CMD_DVD_IF_NOT) == 0;
5427         bool b_test_value    = (i_command & CMD_DVD_TEST_VALUE) != 0;
5428         uint8 i_test = i_command & 0x70;
5429         uint16 i_value;
5430
5431         if ( b_test_value )
5432             i_value = ( p_command[4] << 8 ) + p_command[5];
5433         else
5434             i_value = GetPRM( p_command[7] );
5435
5436         switch ( i_test )
5437         {
5438         case CMD_DVD_IF_GPREG_EQUAL:
5439             // if equals
5440             msg_Dbg( &sys.demuxer, "IF %s EQUALS %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5441             if (!( GetPRM( p_command[3] ) == i_value ))
5442             {
5443                 b_test_positive = !b_test_positive;
5444             }
5445             break;
5446         case CMD_DVD_IF_GPREG_INF:
5447             // if inferior
5448             msg_Dbg( &sys.demuxer, "IF %s < %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5449             if (!( GetPRM( p_command[3] ) < i_value ))
5450             {
5451                 b_test_positive = !b_test_positive;
5452             }
5453             break;
5454         case CMD_DVD_IF_GPREG_AND:
5455             // if logical and
5456             msg_Dbg( &sys.demuxer, "IF %s & %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5457             if (!( GetPRM( p_command[3] ) & i_value ))
5458             {
5459                 b_test_positive = !b_test_positive;
5460             }
5461             break;
5462         case CMD_DVD_IF_GPREG_SUP_EQUAL:
5463             // if superior or equal
5464             msg_Dbg( &sys.demuxer, "IF %s >= %s", GetRegTypeName( false, p_command[3] ).c_str(), GetRegTypeName( b_test_value, i_value ).c_str() );
5465             if (!( GetPRM( p_command[3] ) >= i_value ))
5466             {
5467                 b_test_positive = !b_test_positive;
5468             }
5469             break;
5470         }
5471
5472         if ( !b_test_positive )
5473             return false;
5474     }
5475     
5476     // strip the test command
5477     i_command &= 0xFF0F;
5478     
5479     switch ( i_command )
5480     {
5481     case CMD_DVD_NOP:
5482     case CMD_DVD_NOP2:
5483         {
5484             msg_Dbg( &sys.demuxer, "NOP" );
5485             break;
5486         }
5487     case CMD_DVD_BREAK:
5488         {
5489             msg_Dbg( &sys.demuxer, "Break" );
5490             // TODO
5491             break;
5492         }
5493     case CMD_DVD_JUMP_TT:
5494         {
5495             uint8 i_title = p_command[5];
5496             msg_Dbg( &sys.demuxer, "JumpTT %d", i_title );
5497
5498             // find in the ChapProcessPrivate matching this Title level
5499             p_chapter = sys.BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title), p_segment );
5500             if ( p_chapter != NULL )
5501             {
5502                 // if the segment is not part of the current segment, select the new one
5503                 if ( p_segment != sys.p_current_segment )
5504                 {
5505                     sys.PreparePlayback( p_segment );
5506                 }
5507     
5508                 // jump to the location in the found segment
5509                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, NULL );
5510                 p_chapter->Enter( true );
5511                 
5512                 f_result = true;
5513             }
5514
5515             break;
5516         }
5517     case CMD_DVD_CALLSS_VTSM1:
5518         {
5519             msg_Dbg( &sys.demuxer, "CallSS VTSM" );
5520             switch( (p_command[6] & 0xC0) >> 6 ) {
5521                 case 0:
5522                     switch ( p_command[5] )
5523                     {
5524                     case 0x00:
5525                         msg_Dbg( &sys.demuxer, "CallSS PGC (rsm_cell %x)", p_command[5]);
5526                         break;
5527                     case 0x82:
5528                         msg_Dbg( &sys.demuxer, "CallSS Title Entry (rsm_cell %x)", p_command[5]);
5529                         break;
5530                     case 0x83:
5531                         msg_Dbg( &sys.demuxer, "CallSS Root Menu (rsm_cell %x)", p_command[5]);
5532                         break;
5533                     case 0x84:
5534                         msg_Dbg( &sys.demuxer, "CallSS Subpicture Menu (rsm_cell %x)", p_command[5]);
5535                         break;
5536                     case 0x85:
5537                         msg_Dbg( &sys.demuxer, "CallSS Audio Menu (rsm_cell %x)", p_command[5]);
5538                         break;
5539                     case 0x86:
5540                         msg_Dbg( &sys.demuxer, "CallSS Angle Menu (rsm_cell %x)", p_command[5]);
5541                         break;
5542                     case 0x87:
5543                         msg_Dbg( &sys.demuxer, "CallSS Chapter Menu (rsm_cell %x)", p_command[5]);
5544                         break;
5545                     default:
5546                         msg_Dbg( &sys.demuxer, "CallSS <unknown> (rsm_cell %x)", p_command[5]);
5547                         break;
5548                     }
5549                     p_chapter = sys.BrowseCodecPrivate( 1, MatchPgcType, &p_command[5], 1, p_segment );
5550                     if ( p_chapter != NULL )
5551                     {
5552                         // if the segment is not part of the current segment, select the new one
5553                         if ( p_segment != sys.p_current_segment )
5554                         {
5555                             sys.PreparePlayback( p_segment );
5556                         }
5557             
5558                         p_chapter->Enter( true );
5559                         
5560                         // jump to the location in the found segment
5561                         p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5562                         f_result = true;
5563                     }
5564                 break;
5565                 case 1:
5566                     msg_Dbg( &sys.demuxer, "CallSS VMGM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
5567                 break;
5568                 case 2:
5569                     msg_Dbg( &sys.demuxer, "CallSS VTSM (menu %d, rsm_cell %x)", p_command[6] & 0x0F, p_command[5]);
5570                 break;
5571                 case 3:
5572                     msg_Dbg( &sys.demuxer, "CallSS VMGM (pgc %d, rsm_cell %x)", (p_command[3] << 8) + p_command[4], p_command[5]);
5573                 break;
5574             }
5575             break;
5576         }
5577     case CMD_DVD_JUMPVTS_PTT:
5578         {
5579             uint8 i_title = p_command[5];
5580             uint8 i_ptt = p_command[3];
5581
5582             msg_Dbg( &sys.demuxer, "JumpVTS Title (%d) PTT (%d)", i_title, i_ptt);
5583
5584             // find the current VTS content segment
5585             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchIsDomain, NULL, 0 );
5586             if ( p_chapter != NULL )
5587             {
5588                 int16 i_curr_title = p_chapter->GetTitleNumber( );
5589                 if ( i_curr_title > 0 )
5590                 {
5591                     p_chapter = sys.BrowseCodecPrivate( 1, MatchVTSNumber, &i_curr_title, sizeof(i_curr_title), p_segment );
5592
5593                     if ( p_chapter != NULL )
5594                     {
5595                         // find the title in the VTS
5596                         p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchTitleNumber, &i_title, sizeof(i_title) );
5597                         if ( p_chapter != NULL )
5598                         {
5599                             // find the chapter in the title
5600                             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchChapterNumber, &i_ptt, sizeof(i_ptt) );
5601                             if ( p_chapter != NULL )
5602                             {
5603                                 // if the segment is not part of the current segment, select the new one
5604                                 if ( p_segment != sys.p_current_segment )
5605                                 {
5606                                     sys.PreparePlayback( p_segment );
5607                                 }
5608                     
5609                                 p_chapter->Enter( true );
5610                                 
5611                                 // jump to the location in the found segment
5612                                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5613                                 f_result = true;
5614                             }
5615                         }
5616                     else
5617                         msg_Dbg( &sys.demuxer, "Title (%d) does not exist in this VTS", i_title );
5618                     }
5619                     else
5620                         msg_Dbg( &sys.demuxer, "DVD Domain VTS (%d) not found", i_curr_title );
5621                 }
5622                 else
5623                     msg_Dbg( &sys.demuxer, "JumpVTS_PTT command found but not in a VTS(M)");
5624             }
5625             else
5626                 msg_Dbg( &sys.demuxer, "JumpVTS_PTT command but the DVD domain wasn't found");
5627             break;
5628         }
5629     case CMD_DVD_SET_GPRMMD:
5630         {
5631             msg_Dbg( &sys.demuxer, "Set GPRMMD [%d]=%d", (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3]);
5632             
5633             if ( !SetGPRM( (p_command[4] << 8) + p_command[5], (p_command[2] << 8) + p_command[3] ) )
5634                 msg_Dbg( &sys.demuxer, "Set GPRMMD failed" );
5635             break;
5636         }
5637     case CMD_DVD_LINKPGCN:
5638         {
5639             uint16 i_pgcn = (p_command[6] << 8) + p_command[7];
5640             
5641             msg_Dbg( &sys.demuxer, "Link PGCN(%d)", i_pgcn );
5642             p_chapter = sys.p_current_segment->BrowseCodecPrivate( 1, MatchPgcNumber, &i_pgcn, 2 );
5643             if ( p_chapter != NULL )
5644             {
5645                 p_chapter->Enter( true );
5646                 
5647                 // jump to the location in the found segment
5648                 sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5649                 f_result = true;
5650             }
5651             break;
5652         }
5653     case CMD_DVD_LINKCN:
5654         {
5655             uint8 i_cn = p_command[7];
5656             
5657             p_chapter = sys.p_current_segment->CurrentChapter();
5658
5659             msg_Dbg( &sys.demuxer, "LinkCN (cell %d)", i_cn );
5660             p_chapter = p_chapter->BrowseCodecPrivate( 1, MatchCellNumber, &i_cn, 1 );
5661             if ( p_chapter != NULL )
5662             {
5663                 p_chapter->Enter( true );
5664                 
5665                 // jump to the location in the found segment
5666                 sys.p_current_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5667                 f_result = true;
5668             }
5669             break;
5670         }
5671     case CMD_DVD_GOTO_LINE:
5672         {
5673             msg_Dbg( &sys.demuxer, "GotoLine (%d)", (p_command[6] << 8) + p_command[7] );
5674             // TODO
5675             break;
5676         }
5677     default:
5678         {
5679             msg_Dbg( &sys.demuxer, "unsupported command : %02X %02X %02X %02X %02X %02X %02X %02X"
5680                      ,p_command[0]
5681                      ,p_command[1]
5682                      ,p_command[2]
5683                      ,p_command[3]
5684                      ,p_command[4]
5685                      ,p_command[5]
5686                      ,p_command[6]
5687                      ,p_command[7]);
5688             break;
5689         }
5690     }
5691
5692     return f_result;
5693 }
5694
5695 bool dvd_command_interpretor_c::MatchIsDomain( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5696 {
5697     return ( data.m_private_data.GetBuffer()[0] == MATROSKA_DVD_LEVEL_SS );
5698 }
5699
5700 bool dvd_command_interpretor_c::MatchVTSNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5701 {
5702     if ( i_cookie_size != 2 || data.m_private_data.GetSize() < 4 )
5703         return false;
5704     
5705     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_SS || data.m_private_data.GetBuffer()[1] != 0x80 )
5706         return false;
5707
5708     uint16 i_gtitle = (data.m_private_data.GetBuffer()[2] << 8 ) + data.m_private_data.GetBuffer()[3];
5709     uint16 i_title = *(uint16*)p_cookie;
5710
5711     return (i_gtitle == i_title);
5712 }
5713
5714 bool dvd_command_interpretor_c::MatchTitleNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5715 {
5716     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 4 )
5717         return false;
5718     
5719     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_TT )
5720         return false;
5721
5722     uint16 i_gtitle = (data.m_private_data.GetBuffer()[1] << 8 ) + data.m_private_data.GetBuffer()[2];
5723     uint8 i_title = *(uint8*)p_cookie;
5724
5725     return (i_gtitle == i_title);
5726 }
5727
5728 bool dvd_command_interpretor_c::MatchPgcType( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5729 {
5730     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 8 )
5731         return false;
5732     
5733     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
5734         return false;
5735
5736     uint8 i_pgc_type = data.m_private_data.GetBuffer()[3];
5737     uint8 i_pgc = *(uint8*)p_cookie;
5738
5739     return (i_pgc_type == i_pgc);
5740 }
5741
5742 bool dvd_command_interpretor_c::MatchPgcNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5743 {
5744     if ( i_cookie_size != 2 || data.m_private_data.GetSize() < 8 )
5745         return false;
5746     
5747     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PGC )
5748         return false;
5749
5750     uint16 *i_pgc_n = (uint16 *)p_cookie;
5751     uint16 i_pgc_num = (data.m_private_data.GetBuffer()[1] << 8) + data.m_private_data.GetBuffer()[2];
5752
5753     return (i_pgc_num == *i_pgc_n);
5754 }
5755
5756 bool dvd_command_interpretor_c::MatchChapterNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5757 {
5758     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 2 )
5759         return false;
5760     
5761     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_PTT )
5762         return false;
5763
5764     uint8 i_chapter = data.m_private_data.GetBuffer()[1];
5765     uint8 i_ptt = *(uint8*)p_cookie;
5766
5767     return (i_chapter == i_ptt);
5768 }
5769
5770 bool dvd_command_interpretor_c::MatchCellNumber( const chapter_codec_cmds_c &data, const void *p_cookie, size_t i_cookie_size )
5771 {
5772     if ( i_cookie_size != 1 || data.m_private_data.GetSize() < 5 )
5773         return false;
5774     
5775     if ( data.m_private_data.GetBuffer()[0] != MATROSKA_DVD_LEVEL_CN )
5776         return false;
5777
5778     uint8 *i_cell_n = (uint8 *)p_cookie;
5779     uint8 i_cell_num = data.m_private_data.GetBuffer()[3];
5780
5781     return (i_cell_num == *i_cell_n);
5782 }
5783
5784 bool matroska_script_codec_c::Enter()
5785 {
5786     bool f_result = false;
5787     std::vector<KaxChapterProcessData>::iterator index = enter_cmds.begin();
5788     while ( index != enter_cmds.end() )
5789     {
5790         if ( (*index).GetSize() )
5791         {
5792             msg_Dbg( &sys.demuxer, "Matroska Script enter command" );
5793             f_result |= interpretor.Interpret( (*index).GetBuffer(), (*index).GetSize() );
5794         }
5795         index++;
5796     }
5797     return f_result;
5798 }
5799
5800 bool matroska_script_codec_c::Leave()
5801 {
5802     bool f_result = false;
5803     std::vector<KaxChapterProcessData>::iterator index = leave_cmds.begin();
5804     while ( index != leave_cmds.end() )
5805     {
5806         if ( (*index).GetSize() )
5807         {
5808             msg_Dbg( &sys.demuxer, "Matroska Script leave command" );
5809             f_result |= interpretor.Interpret( (*index).GetBuffer(), (*index).GetSize() );
5810         }
5811         index++;
5812     }
5813     return f_result;
5814 }
5815
5816 // see http://www.matroska.org/technical/specs/chapters/index.html#mscript 
5817 //  for a description of existing commands
5818 bool matroska_script_interpretor_c::Interpret( const binary * p_command, size_t i_size )
5819 {
5820     bool b_result = false;
5821
5822     char *psz_str = (char*) malloc( i_size + 1 );
5823     memcpy( psz_str, p_command, i_size );
5824     psz_str[ i_size ] = '\0';
5825
5826     std::string sz_command = psz_str;
5827     free( psz_str );
5828
5829     msg_Dbg( &sys.demuxer, "command : %s", sz_command.c_str() );
5830
5831 #if defined(__GNUC__) && (__GNUC__ < 3)
5832     if ( sz_command.compare( CMD_MS_GOTO_AND_PLAY, 0, CMD_MS_GOTO_AND_PLAY.size() ) == 0 )
5833 #else
5834     if ( sz_command.compare( 0, CMD_MS_GOTO_AND_PLAY.size(), CMD_MS_GOTO_AND_PLAY ) == 0 )
5835 #endif
5836     {
5837         size_t i,j;
5838
5839         // find the (
5840         for ( i=CMD_MS_GOTO_AND_PLAY.size(); i<sz_command.size(); i++)
5841         {
5842             if ( sz_command[i] == '(' )
5843             {
5844                 i++;
5845                 break;
5846             }
5847         }
5848         // find the )
5849         for ( j=i; j<sz_command.size(); j++)
5850         {
5851             if ( sz_command[j] == ')' )
5852             {
5853                 i--;
5854                 break;
5855             }
5856         }
5857
5858         std::string st = sz_command.substr( i+1, j-i-1 );
5859         int64_t i_chapter_uid = atoi( st.c_str() );
5860
5861         virtual_segment_c *p_segment;
5862         chapter_item_c *p_chapter = sys.FindChapter( i_chapter_uid, p_segment );
5863
5864         if ( p_chapter == NULL )
5865             msg_Dbg( &sys.demuxer, "Chapter "I64Fd" not found", i_chapter_uid);
5866         else
5867         {
5868             if ( !p_chapter->EnterAndLeave( sys.p_current_segment->CurrentChapter() ) )
5869                 p_segment->Seek( sys.demuxer, p_chapter->i_user_start_time, -1, p_chapter );
5870             b_result = true;
5871         }
5872     }
5873
5874     return b_result;
5875 }
5876
5877 void demux_sys_t::SwapButtons()
5878 {
5879 #ifndef WORDS_BIGENDIAN
5880     uint8_t button, i, j;
5881
5882     for( button = 1; button <= pci_packet.hli.hl_gi.btn_ns; button++) {
5883         btni_t *button_ptr = &(pci_packet.hli.btnit[button-1]);
5884         binary *p_data = (binary*) button_ptr;
5885
5886         uint16 i_x_start = ((p_data[0] & 0x3F) << 4 ) + ( p_data[1] >> 4 );
5887         uint16 i_x_end   = ((p_data[1] & 0x03) << 8 ) + p_data[2];
5888         uint16 i_y_start = ((p_data[3] & 0x3F) << 4 ) + ( p_data[4] >> 4 );
5889         uint16 i_y_end   = ((p_data[4] & 0x03) << 8 ) + p_data[5];
5890         button_ptr->x_start = i_x_start;
5891         button_ptr->x_end   = i_x_end;
5892         button_ptr->y_start = i_y_start;
5893         button_ptr->y_end   = i_y_end;
5894
5895     }
5896     for ( i = 0; i<3; i++ )
5897     {
5898         for ( j = 0; j<2; j++ )
5899         {
5900             pci_packet.hli.btn_colit.btn_coli[i][j] = U32_AT( &pci_packet.hli.btn_colit.btn_coli[i][j] );
5901         }
5902     }
5903 #endif
5904 }