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[vlc] / src / input / input.c
1 /*****************************************************************************
2  * input.c: input thread
3  *****************************************************************************
4  * Copyright (C) 1998-2007 the VideoLAN team
5  * $Id$
6  *
7  * Authors: Christophe Massiot <massiot@via.ecp.fr>
8  *          Laurent Aimar <fenrir@via.ecp.fr>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23  *****************************************************************************/
24
25 /*****************************************************************************
26  * Preamble
27  *****************************************************************************/
28 #include <stdlib.h>
29 #include <ctype.h>
30
31 #include <vlc/vlc.h>
32
33 #include "input_internal.h"
34
35 #include <vlc_sout.h>
36 #include "../stream_output/stream_output.h"
37
38 #include <vlc_playlist.h>
39 #include <vlc_interface.h>
40 #include <vlc_url.h>
41 #include <vlc_demux.h>
42 #include <vlc_charset.h>
43
44 #ifdef HAVE_SYS_STAT_H
45 #   include <sys/stat.h>
46 #endif
47
48 /*****************************************************************************
49  * Local prototypes
50  *****************************************************************************/
51 static  int Run  ( input_thread_t *p_input );
52 static  int RunAndDestroy  ( input_thread_t *p_input );
53
54 static input_thread_t * Create  ( vlc_object_t *, input_item_t *,
55                                   const char *, vlc_bool_t, sout_instance_t * );
56 static  int             Init    ( input_thread_t *p_input );
57 static void             Error   ( input_thread_t *p_input );
58 static void             End     ( input_thread_t *p_input );
59 static void             MainLoop( input_thread_t *p_input );
60 static void             Destroy( input_thread_t *p_input, sout_instance_t **pp_sout );
61
62 static inline int ControlPopNoLock( input_thread_t *, int *, vlc_value_t * );
63 static void       ControlReduce( input_thread_t * );
64 static vlc_bool_t Control( input_thread_t *, int, vlc_value_t );
65
66 static int  UpdateFromAccess( input_thread_t * );
67 static int  UpdateFromDemux( input_thread_t * );
68 static int  UpdateMeta( input_thread_t * );
69
70 static void UpdateItemLength( input_thread_t *, int64_t i_length );
71
72 static void MRLSections( input_thread_t *, char *, int *, int *, int *, int *);
73
74 static input_source_t *InputSourceNew( input_thread_t *);
75 static int  InputSourceInit( input_thread_t *, input_source_t *,
76                              const char *, const char *psz_forced_demux );
77 static void InputSourceClean( input_source_t * );
78
79 static void SlaveDemux( input_thread_t *p_input );
80 static void SlaveSeek( input_thread_t *p_input );
81
82 static void InputMetaUser( input_thread_t *p_input );
83
84 static sout_instance_t *SoutFind( vlc_object_t *p_parent, input_item_t *p_item, vlc_bool_t * );
85 static void SoutKeep( sout_instance_t * );
86
87 /*****************************************************************************
88  * This function creates a new input, and returns a pointer
89  * to its description. On error, it returns NULL.
90  *
91  * Variables for _public_ use:
92  * * Get and Set:
93  *  - state
94  *  - rate,rate-slower, rate-faster
95  *  - position, position-offset
96  *  - time, time-offset
97  *  - title,title-next,title-prev
98  *  - chapter,chapter-next, chapter-prev
99  *  - program, audio-es, video-es, spu-es
100  *  - audio-delay, spu-delay
101  *  - bookmark
102  * * Get only:
103  *  - length
104  *  - bookmarks
105  *  - seekable (if you can seek, it doesn't say if 'bar display' has be shown or not, for that check position != 0.0)
106  * * For intf callback upon changes
107  *  - intf-change
108  * TODO explain when Callback is called
109  * TODO complete this list (?)
110  *****************************************************************************/
111 static input_thread_t *Create( vlc_object_t *p_parent, input_item_t *p_item,
112                                const char *psz_header, vlc_bool_t b_quick, sout_instance_t *p_sout )
113 {
114     input_thread_t *p_input = NULL;                 /* thread descriptor */
115     vlc_value_t val;
116     int i;
117
118     /* Allocate descriptor */
119     p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT );
120     if( p_input == NULL )
121     {
122         msg_Err( p_parent, "out of memory" );
123         return NULL;
124     }
125     MALLOC_NULL( p_input->p, input_thread_private_t );
126
127     /* One "randomly" selected input thread is responsible for computing
128      * the global stats. Check if there is already someone doing this */
129     if( p_input->p_libvlc->p_playlist->p_stats && !b_quick )
130     {
131         vlc_mutex_lock( &p_input->p_libvlc->p_playlist->p_stats->lock );
132         if( p_input->p_libvlc->p_playlist->p_stats_computer == NULL )
133         {
134             p_input->p_libvlc->p_playlist->p_stats_computer = p_input;
135         }
136         vlc_mutex_unlock( &p_input->p_libvlc->p_playlist->p_stats->lock );
137     }
138
139     p_input->b_preparsing = b_quick;
140     p_input->psz_header = psz_header ? strdup( psz_header ) : NULL;
141
142     /* Init Common fields */
143     p_input->b_eof = VLC_FALSE;
144     p_input->b_can_pace_control = VLC_TRUE;
145     p_input->p->i_start = 0;
146     p_input->i_time  = 0;
147     p_input->p->i_stop  = 0;
148     p_input->p->i_title = 0;
149     p_input->p->title   = NULL;
150     p_input->p->i_title_offset = p_input->p->i_seekpoint_offset = 0;
151     p_input->i_state = INIT_S;
152     p_input->p->i_rate  = INPUT_RATE_DEFAULT;
153     p_input->p->i_bookmark = 0;
154     p_input->p->bookmark = NULL;
155     p_input->p->p_meta  = NULL;
156     p_input->p->p_es_out = NULL;
157     p_input->p->p_sout  = NULL;
158     p_input->p->b_sout_keep  = VLC_FALSE;
159     p_input->p->b_out_pace_control = VLC_FALSE;
160     p_input->i_pts_delay = 0;
161
162     /* Init Input fields */
163     p_input->p->input.p_item = p_item;
164     p_input->p->input.p_access = NULL;
165     p_input->p->input.p_stream = NULL;
166     p_input->p->input.p_demux  = NULL;
167     p_input->p->input.b_title_demux = VLC_FALSE;
168     p_input->p->input.i_title  = 0;
169     p_input->p->input.title    = NULL;
170     p_input->p->input.i_title_offset = p_input->p->input.i_seekpoint_offset = 0;
171     p_input->p->input.b_can_pace_control = VLC_TRUE;
172     p_input->p->input.b_eof = VLC_FALSE;
173     p_input->p->input.i_cr_average = 0;
174
175     if( !p_input->p->input.p_item->p_meta )
176         p_input->p->input.p_item->p_meta = vlc_meta_New();
177
178     if( !p_item->p_stats )
179     {
180         p_item->p_stats = (input_stats_t*)malloc( sizeof( input_stats_t ) );
181         vlc_mutex_init( p_input, &p_item->p_stats->lock );
182         stats_ReinitInputStats( p_item->p_stats );
183     }
184
185     /* No slave */
186     p_input->p->i_slave = 0;
187     p_input->p->slave   = NULL;
188
189     /* Init control buffer */
190     vlc_mutex_init( p_input, &p_input->p->lock_control );
191     p_input->p->i_control = 0;
192
193     /* Parse input options */
194     vlc_mutex_lock( &p_item->lock );
195     for( i = 0; i < p_item->i_options; i++ )
196         var_OptionParse( p_input, p_item->ppsz_options[i] );
197     vlc_mutex_unlock( &p_item->lock );
198
199     /* Create Object Variables for private use only */
200     input_ConfigVarInit( p_input );
201
202     /* Create Objects variables for public Get and Set */
203     input_ControlVarInit( p_input );
204
205     p_input->p->input.i_cr_average = var_GetInteger( p_input, "cr-average" );
206
207     if( !p_input->b_preparsing )
208     {
209         var_Get( p_input, "bookmarks", &val );
210         if( val.psz_string )
211         {
212             /* FIXME: have a common cfg parsing routine used by sout and others */
213             char *psz_parser, *psz_start, *psz_end;
214             psz_parser = val.psz_string;
215             while( (psz_start = strchr( psz_parser, '{' ) ) )
216             {
217                  seekpoint_t *p_seekpoint = vlc_seekpoint_New();
218                  char backup;
219                  psz_start++;
220                  psz_end = strchr( psz_start, '}' );
221                  if( !psz_end ) break;
222                  psz_parser = psz_end + 1;
223                  backup = *psz_parser;
224                  *psz_parser = 0;
225                  *psz_end = ',';
226                  while( (psz_end = strchr( psz_start, ',' ) ) )
227                  {
228                      *psz_end = 0;
229                      if( !strncmp( psz_start, "name=", 5 ) )
230                      {
231                          p_seekpoint->psz_name = psz_start + 5;
232                      }
233                      else if( !strncmp( psz_start, "bytes=", 6 ) )
234                      {
235                          p_seekpoint->i_byte_offset = atoll(psz_start + 6);
236                      }
237                      else if( !strncmp( psz_start, "time=", 5 ) )
238                      {
239                          p_seekpoint->i_time_offset = atoll(psz_start + 5) *
240                                                         1000000;
241                      }
242                      psz_start = psz_end + 1;
243                 }
244                 msg_Dbg( p_input, "adding bookmark: %s, bytes="I64Fd", time="I64Fd,
245                                   p_seekpoint->psz_name, p_seekpoint->i_byte_offset,
246                                   p_seekpoint->i_time_offset );
247                 input_Control( p_input, INPUT_ADD_BOOKMARK, p_seekpoint );
248                 vlc_seekpoint_Delete( p_seekpoint );
249                 *psz_parser = backup;
250             }
251             free( val.psz_string );
252         }
253     }
254
255     /* Remove 'Now playing' info as it is probably outdated */
256     input_Control( p_input, INPUT_DEL_INFO, _(VLC_META_INFO_CAT), VLC_META_NOW_PLAYING );
257     vlc_meta_SetNowPlaying( p_item->p_meta, NULL );
258
259     /* */
260     if( p_input->b_preparsing )
261         p_input->i_flags |= OBJECT_FLAGS_QUIET | OBJECT_FLAGS_NOINTERACT;
262
263     /* */
264     if( p_sout )
265         p_input->p->p_sout = p_sout;
266
267     /* Attach only once we are ready */
268     vlc_object_attach( p_input, p_parent );
269
270     return p_input;
271 }
272
273 static void Destroy( input_thread_t *p_input, sout_instance_t **pp_sout )
274 {
275     vlc_object_detach( p_input );
276
277     if( pp_sout )
278         *pp_sout = NULL;
279     if( p_input->p->p_sout )
280     {
281         if( pp_sout )
282             *pp_sout = p_input->p->p_sout;
283         else if( p_input->p->b_sout_keep )
284             SoutKeep( p_input->p->p_sout );
285         else
286             sout_DeleteInstance( p_input->p->p_sout );
287     }
288
289     vlc_mutex_destroy( &p_input->p->lock_control );
290     free( p_input->p );
291
292     vlc_object_destroy( p_input );
293 }
294
295 /**
296  * Initialize an input thread and run it. You will need to monitor the
297  * thread to clean up after it is done
298  *
299  * \param p_parent a vlc_object
300  * \param p_item an input item
301  * \return a pointer to the spawned input thread
302  */
303 input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
304                                       input_item_t *p_item )
305 {
306     vlc_bool_t b_sout_keep;
307     sout_instance_t *p_sout = SoutFind( p_parent, p_item, &b_sout_keep );
308     input_thread_t *p_input =  __input_CreateThreadExtended( p_parent, p_item, NULL, p_sout );
309
310     if( !p_input && p_sout )
311         SoutKeep( p_sout );
312
313     p_input->p->b_sout_keep = b_sout_keep;
314     return p_input;
315 }
316
317 /* */
318 input_thread_t *__input_CreateThreadExtended( vlc_object_t *p_parent,
319                                               input_item_t *p_item,
320                                               const char *psz_log, sout_instance_t *p_sout )
321 {
322     input_thread_t *p_input;
323
324     p_input = Create( p_parent, p_item, psz_log, VLC_FALSE, p_sout );
325     if( !p_input )
326         return NULL;
327
328     /* Create thread and wait for its readiness. */
329     if( vlc_thread_create( p_input, "input", Run,
330                            VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
331     {
332         input_ChangeState( p_input, ERROR_S );
333         msg_Err( p_input, "cannot create input thread" );
334         Destroy( p_input, &p_sout );
335         return NULL;
336     }
337
338     return p_input;
339 }
340
341 /**
342  * Initialize an input thread and run it. This thread will clean after himself,
343  * you can forget about it. It can work either in blocking or non-blocking mode
344  *
345  * \param p_parent a vlc_object
346  * \param p_item an input item
347  * \param b_block should we block until read is finished ?
348  * \return the input object id if non blocking, an error code else
349  */
350 int __input_Read( vlc_object_t *p_parent, input_item_t *p_item,
351                    vlc_bool_t b_block )
352 {
353     vlc_bool_t b_sout_keep;
354     sout_instance_t *p_sout = SoutFind( p_parent, p_item, &b_sout_keep );
355     input_thread_t *p_input;
356
357     p_input = Create( p_parent, p_item, NULL, VLC_FALSE, p_sout );
358     if( !p_input && p_sout )
359     {
360         SoutKeep( p_sout );
361         return VLC_EGENERIC;
362     }
363     p_input->p->b_sout_keep = b_sout_keep;
364
365     if( b_block )
366     {
367         RunAndDestroy( p_input );
368         return VLC_SUCCESS;
369     }
370     else
371     {
372         if( vlc_thread_create( p_input, "input", RunAndDestroy,
373                                VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
374         {
375             input_ChangeState( p_input, ERROR_S );
376             msg_Err( p_input, "cannot create input thread" );
377             Destroy( p_input, NULL );
378             return VLC_EGENERIC;
379         }
380     }
381     return p_input->i_object_id;
382 }
383
384 /**
385  * Initialize an input and initialize it to preparse the item
386  * This function is blocking. It will only accept to parse files
387  *
388  * \param p_parent a vlc_object_t
389  * \param p_item an input item
390  * \return VLC_SUCCESS or an error
391  */
392 int __input_Preparse( vlc_object_t *p_parent, input_item_t *p_item )
393 {
394     input_thread_t *p_input;
395
396     /* Allocate descriptor */
397     p_input = Create( p_parent, p_item, NULL, VLC_TRUE, NULL );
398     if( !p_input )
399         return VLC_EGENERIC;
400
401     if( !Init( p_input ) )
402         End( p_input );
403
404     Destroy( p_input, NULL );
405
406     return VLC_SUCCESS;
407 }
408
409 /**
410  * Request a running input thread to stop and die
411  *
412  * \param the input thread to stop
413  */
414 void input_StopThread( input_thread_t *p_input )
415 {
416     vlc_list_t *p_list;
417     int i;
418
419     /* Set die for input */
420     vlc_object_kill( p_input );
421     /* FIXME: seems to be duplicated in ControlPush(INPUT_CONTROL_SET_DIE) */
422
423     /* We cannot touch p_input fields directly (we come from another thread),
424      * so use the vlc_object_find way, it's perfectly safe */
425
426     /* Set die for all access */
427     p_list = vlc_list_find( p_input, VLC_OBJECT_ACCESS, FIND_CHILD );
428     for( i = 0; i < p_list->i_count; i++ )
429     {
430         vlc_object_kill( p_list->p_values[i].p_object );
431     }
432     vlc_list_release( p_list );
433
434     /* Set die for all stream */
435     p_list = vlc_list_find( p_input, VLC_OBJECT_STREAM, FIND_CHILD );
436     for( i = 0; i < p_list->i_count; i++ )
437     {
438         vlc_object_kill( p_list->p_values[i].p_object );
439     }
440     vlc_list_release( p_list );
441
442     /* Set die for all demux */
443     p_list = vlc_list_find( p_input, VLC_OBJECT_DEMUX, FIND_CHILD );
444     for( i = 0; i < p_list->i_count; i++ )
445     {
446         vlc_object_kill( p_list->p_values[i].p_object );
447     }
448     vlc_list_release( p_list );
449
450     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
451 }
452
453 /**
454  * Clean up a dead input thread
455  * This function does not return until the thread is effectively cancelled.
456  *
457  * \param the input thread to kill
458  */
459 void input_DestroyThread( input_thread_t *p_input )
460 {
461     input_DestroyThreadExtended( p_input, NULL );
462 }
463
464 void input_DestroyThreadExtended( input_thread_t *p_input, sout_instance_t **pp_sout )
465 {
466     /* Join the thread */
467     vlc_thread_join( p_input );
468
469     /* */
470     Destroy( p_input, pp_sout );
471 }
472
473 /*****************************************************************************
474  * Run: main thread loop
475  * This is the "normal" thread that spawns the input processing chain,
476  * reads the stream, cleans up and waits
477  *****************************************************************************/
478 static int Run( input_thread_t *p_input )
479 {
480     /* Signal that the thread is launched */
481     vlc_thread_ready( p_input );
482
483     if( Init( p_input ) )
484     {
485         /* If we failed, wait before we are killed, and exit */
486         p_input->b_error = VLC_TRUE;
487         playlist_Signal( pl_Get( p_input ) );
488
489         Error( p_input );
490
491         /* Tell we're dead */
492         p_input->b_dead = VLC_TRUE;
493
494         return 0;
495     }
496
497     MainLoop( p_input );
498
499     if( !p_input->b_eof && !p_input->b_error && p_input->p->input.b_eof )
500     {
501         /* We have finish to demux data but not to play them */
502         while( !p_input->b_die )
503         {
504             if( input_EsOutDecodersEmpty( p_input->p->p_es_out ) )
505                 break;
506
507             msg_Dbg( p_input, "waiting decoder fifos to empty" );
508
509             msleep( INPUT_IDLE_SLEEP );
510         }
511
512         /* We have finished */
513         p_input->b_eof = VLC_TRUE;
514         playlist_Signal( pl_Get( p_input ) );
515     }
516
517     /* Wait until we are asked to die */
518     if( !p_input->b_die )
519     {
520         Error( p_input );
521     }
522
523     /* Clean up */
524     End( p_input );
525
526     return 0;
527 }
528
529 /*****************************************************************************
530  * RunAndDestroy: main thread loop
531  * This is the "just forget me" thread that spawns the input processing chain,
532  * reads the stream, cleans up and releases memory
533  *****************************************************************************/
534 static int RunAndDestroy( input_thread_t *p_input )
535 {
536     /* Signal that the thread is launched */
537     vlc_thread_ready( p_input );
538
539     if( Init( p_input ) )
540         goto exit;
541
542     MainLoop( p_input );
543
544     if( !p_input->b_eof && !p_input->b_error && p_input->p->input.b_eof )
545     {
546         /* We have finished demuxing data but not playing it */
547         while( !p_input->b_die )
548         {
549             if( input_EsOutDecodersEmpty( p_input->p->p_es_out ) )
550                 break;
551
552             msg_Dbg( p_input, "waiting decoder fifos to empty" );
553
554             msleep( INPUT_IDLE_SLEEP );
555         }
556
557         /* We have finished */
558         p_input->b_eof = VLC_TRUE;
559     }
560
561     /* Clean up */
562     End( p_input );
563
564 exit:
565     /* Release memory */
566     Destroy( p_input, NULL );
567     return 0;
568 }
569
570 /*****************************************************************************
571  * Main loop: Fill buffers from access, and demux
572  *****************************************************************************/
573 static void MainLoop( input_thread_t *p_input )
574 {
575     int64_t i_intf_update = 0;
576     int i_updates = 0;
577
578     while( !p_input->b_die && !p_input->b_error && !p_input->p->input.b_eof )
579     {
580         vlc_bool_t b_force_update = VLC_FALSE;
581         int i_ret;
582         int i_type;
583         vlc_value_t val;
584
585         /* Do the read */
586         if( p_input->i_state != PAUSE_S  )
587         {
588             if( p_input->p->i_stop <= 0 || p_input->i_time < p_input->p->i_stop )
589                 i_ret=p_input->p->input.p_demux->pf_demux(p_input->p->input.p_demux);
590             else
591                 i_ret = 0;  /* EOF */
592
593             if( i_ret > 0 )
594             {
595                 /* TODO */
596                 if( p_input->p->input.b_title_demux &&
597                     p_input->p->input.p_demux->info.i_update )
598                 {
599                     i_ret = UpdateFromDemux( p_input );
600                     b_force_update = VLC_TRUE;
601                 }
602                 else if( !p_input->p->input.b_title_demux &&
603                           p_input->p->input.p_access &&
604                           p_input->p->input.p_access->info.i_update )
605                 {
606                     i_ret = UpdateFromAccess( p_input );
607                     b_force_update = VLC_TRUE;
608                 }
609             }
610
611             if( i_ret == 0 )    /* EOF */
612             {
613                 vlc_value_t repeat;
614
615                 var_Get( p_input, "input-repeat", &repeat );
616                 if( repeat.i_int == 0 )
617                 {
618                     /* End of file - we do not set b_die because only the
619                      * playlist is allowed to do so. */
620                     input_ChangeState( p_input, END_S );
621                     msg_Dbg( p_input, "EOF reached" );
622                     p_input->p->input.b_eof = VLC_TRUE;
623                 }
624                 else
625                 {
626                     msg_Dbg( p_input, "repeating the same input (%d)",
627                              repeat.i_int );
628                     if( repeat.i_int > 0 )
629                     {
630                         repeat.i_int--;
631                         var_Set( p_input, "input-repeat", repeat );
632                     }
633
634                     /* Seek to start title/seekpoint */
635                     val.i_int = p_input->p->input.i_title_start -
636                         p_input->p->input.i_title_offset;
637                     if( val.i_int < 0 || val.i_int >= p_input->p->input.i_title )
638                         val.i_int = 0;
639                     input_ControlPush( p_input,
640                                        INPUT_CONTROL_SET_TITLE, &val );
641
642                     val.i_int = p_input->p->input.i_seekpoint_start -
643                         p_input->p->input.i_seekpoint_offset;
644                     if( val.i_int > 0 /* TODO: check upper boundary */ )
645                         input_ControlPush( p_input,
646                                            INPUT_CONTROL_SET_SEEKPOINT, &val );
647
648                     /* Seek to start position */
649                     if( p_input->p->i_start > 0 )
650                     {
651                         val.i_time = p_input->p->i_start;
652                         input_ControlPush( p_input, INPUT_CONTROL_SET_TIME,
653                                            &val );
654                     }
655                     else
656                     {
657                         val.f_float = 0.0;
658                         input_ControlPush( p_input, INPUT_CONTROL_SET_POSITION,
659                                            &val );
660                     }
661                 }
662             }
663             else if( i_ret < 0 )
664             {
665                 p_input->b_error = VLC_TRUE;
666             }
667
668             if( i_ret > 0 && p_input->p->i_slave > 0 )
669             {
670                 SlaveDemux( p_input );
671             }
672         }
673         else
674         {
675             /* Small wait */
676             msleep( 10*1000 );
677         }
678
679         /* Handle control */
680         vlc_mutex_lock( &p_input->p->lock_control );
681         ControlReduce( p_input );
682         while( !ControlPopNoLock( p_input, &i_type, &val ) )
683         {
684             msg_Dbg( p_input, "control type=%d", i_type );
685             if( Control( p_input, i_type, val ) )
686                 b_force_update = VLC_TRUE;
687         }
688         vlc_mutex_unlock( &p_input->p->lock_control );
689
690         if( b_force_update || i_intf_update < mdate() )
691         {
692             vlc_value_t val;
693             double f_pos;
694             int64_t i_time, i_length;
695             /* update input status variables */
696             if( !demux2_Control( p_input->p->input.p_demux,
697                                  DEMUX_GET_POSITION, &f_pos ) )
698             {
699                 val.f_float = (float)f_pos;
700                 var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
701             }
702             if( !demux2_Control( p_input->p->input.p_demux,
703                                  DEMUX_GET_TIME, &i_time ) )
704             {
705                 p_input->i_time = i_time;
706                 val.i_time = i_time;
707                 var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
708             }
709             if( !demux2_Control( p_input->p->input.p_demux,
710                                  DEMUX_GET_LENGTH, &i_length ) )
711             {
712                 vlc_value_t old_val;
713                 var_Get( p_input, "length", &old_val );
714                 val.i_time = i_length;
715                 var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
716
717                 if( old_val.i_time != val.i_time )
718                 {
719                     UpdateItemLength( p_input, i_length );
720                 }
721             }
722
723             var_SetBool( p_input, "intf-change", VLC_TRUE );
724             i_intf_update = mdate() + I64C(150000);
725         }
726         /* 150ms * 8 = ~ 1 second */
727         if( ++i_updates % 8 == 0 )
728         {
729             stats_ComputeInputStats( p_input, p_input->p->input.p_item->p_stats );
730             /* Are we the thread responsible for computing global stats ? */
731             if( p_input->p_libvlc->p_playlist->p_stats_computer == p_input )
732             {
733                 stats_ComputeGlobalStats( p_input->p_libvlc->p_playlist,
734                                      p_input->p_libvlc->p_playlist->p_stats );
735             }
736         }
737     }
738 }
739
740 static int Init( input_thread_t * p_input )
741 {
742     char *psz;
743     char *psz_subtitle;
744     vlc_value_t val;
745     double f_fps;
746     vlc_meta_t *p_meta;
747     int i_es_out_mode;
748     int i, i_delay;
749
750     /* Initialize optional stream output. (before access/demuxer)
751      * XXX: we add a special case if the uri starts by vlc.
752      * else 'vlc in.file --sout "" vlc:quit'  cannot work (the output will
753      * be destroyed in case of a file).
754      * (this will break playing of file starting by 'vlc:' but I don't
755      * want to add more logic, just force file by file:// or code it ;)
756      */
757     memset( &p_input->p->counters, 0, sizeof( p_input->p->counters ) );
758     vlc_mutex_init( p_input, &p_input->p->counters.counters_lock );
759
760     if( !p_input->b_preparsing )
761     {
762         /* Prepare statistics */
763 #define INIT_COUNTER( c, type, compute ) p_input->p->counters.p_##c = \
764      stats_CounterCreate( p_input, VLC_VAR_##type, STATS_##compute);
765         if( p_input->p_libvlc->b_stats )
766         {
767             INIT_COUNTER( read_bytes, INTEGER, COUNTER );
768             INIT_COUNTER( read_packets, INTEGER, COUNTER );
769             INIT_COUNTER( demux_read, INTEGER, COUNTER );
770             INIT_COUNTER( input_bitrate, FLOAT, DERIVATIVE );
771             INIT_COUNTER( demux_bitrate, FLOAT, DERIVATIVE );
772             INIT_COUNTER( played_abuffers, INTEGER, COUNTER );
773             INIT_COUNTER( lost_abuffers, INTEGER, COUNTER );
774             INIT_COUNTER( displayed_pictures, INTEGER, COUNTER );
775             INIT_COUNTER( lost_pictures, INTEGER, COUNTER );
776             INIT_COUNTER( decoded_audio, INTEGER, COUNTER );
777             INIT_COUNTER( decoded_video, INTEGER, COUNTER );
778             INIT_COUNTER( decoded_sub, INTEGER, COUNTER );
779             p_input->p->counters.p_sout_send_bitrate = NULL;
780             p_input->p->counters.p_sout_sent_packets = NULL;
781             p_input->p->counters.p_sout_sent_bytes = NULL;
782             if( p_input->p->counters.p_demux_bitrate )
783                 p_input->p->counters.p_demux_bitrate->update_interval = 1000000;
784             if( p_input->p->counters.p_input_bitrate )
785                 p_input->p->counters.p_input_bitrate->update_interval = 1000000;
786         }
787
788         /* Find a usable sout and attach it to p_input */
789         psz = var_GetString( p_input, "sout" );
790         if( *psz && strncasecmp( p_input->p->input.p_item->psz_uri, "vlc:", 4 ) )
791         {
792             /* Check the validity of the provided sout */
793             if( p_input->p->p_sout )
794             {
795                 if( strcmp( p_input->p->p_sout->psz_sout, psz ) )
796                 {
797                     msg_Dbg( p_input, "destroying unusable sout" );
798
799                     sout_DeleteInstance( p_input->p->p_sout );
800                     p_input->p->p_sout = NULL;
801                 }
802             }
803
804             if( p_input->p->p_sout )
805             {
806                 /* Reuse it */
807                 msg_Dbg( p_input, "sout keep: reusing sout" );
808                 msg_Dbg( p_input, "sout keep: you probably want to use "
809                                   "gather stream_out" );
810                 vlc_object_attach( p_input->p->p_sout, p_input );
811             }
812             else
813             {
814                 /* Create a new one */
815                 p_input->p->p_sout = sout_NewInstance( p_input, psz );
816
817                 if( !p_input->p->p_sout )
818                 {
819                     input_ChangeState( p_input, ERROR_S );
820                     msg_Err( p_input, "cannot start stream output instance, " \
821                                       "aborting" );
822                     free( psz );
823                     return VLC_EGENERIC;
824                 }
825             }
826
827             if( p_input->p_libvlc->b_stats )
828             {
829                 INIT_COUNTER( sout_sent_packets, INTEGER, COUNTER );
830                 INIT_COUNTER (sout_sent_bytes, INTEGER, COUNTER );
831                 INIT_COUNTER( sout_send_bitrate, FLOAT, DERIVATIVE );
832                 if( p_input->p->counters.p_sout_send_bitrate )
833                      p_input->p->counters.p_sout_send_bitrate->update_interval =
834                              1000000;
835             }
836         }
837         else if( p_input->p->p_sout )
838         {
839             msg_Dbg( p_input, "destroying useless sout" );
840
841             sout_DeleteInstance( p_input->p->p_sout );
842             p_input->p->p_sout = NULL;
843         }
844         free( psz );
845     }
846
847     /* Create es out */
848     p_input->p->p_es_out = input_EsOutNew( p_input );
849     es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ACTIVE, VLC_FALSE );
850     es_out_Control( p_input->p->p_es_out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
851
852     var_Create( p_input, "bit-rate", VLC_VAR_INTEGER );
853     var_Create( p_input, "sample-rate", VLC_VAR_INTEGER );
854
855     if( InputSourceInit( p_input, &p_input->p->input,
856                          p_input->p->input.p_item->psz_uri, NULL ) )
857     {
858         goto error;
859     }
860
861     /* Create global title (from master) */
862     if( !p_input->b_preparsing )
863     {
864         p_input->p->i_title = p_input->p->input.i_title;
865         p_input->p->title   = p_input->p->input.title;
866         p_input->p->i_title_offset = p_input->p->input.i_title_offset;
867         p_input->p->i_seekpoint_offset = p_input->p->input.i_seekpoint_offset;
868         if( p_input->p->i_title > 0 )
869         {
870             /* Setup variables */
871             input_ControlVarNavigation( p_input );
872             input_ControlVarTitle( p_input, 0 );
873         }
874
875         /* Global flag */
876         p_input->b_can_pace_control = p_input->p->input.b_can_pace_control;
877         p_input->p->b_can_pause        = p_input->p->input.b_can_pause;
878
879         /* Fix pts delay */
880         if( p_input->i_pts_delay < 0 )
881             p_input->i_pts_delay = 0;
882
883         /* If the desynchronisation requested by the user is < 0, we need to
884          * cache more data. */
885         var_Get( p_input, "audio-desync", &val );
886         if( val.i_int < 0 ) p_input->i_pts_delay -= (val.i_int * 1000);
887
888         /* Update cr_average depending on the caching */
889         p_input->p->input.i_cr_average *= (10 * p_input->i_pts_delay / 200000);
890         p_input->p->input.i_cr_average /= 10;
891         if( p_input->p->input.i_cr_average < 10 ) p_input->p->input.i_cr_average = 10;
892     }
893
894     /* Load master infos */
895     /* Init length */
896     if( !demux2_Control( p_input->p->input.p_demux, DEMUX_GET_LENGTH,
897                          &val.i_time ) && val.i_time > 0 )
898     {
899         var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
900         UpdateItemLength( p_input, val.i_time );
901         p_input->p->input.p_item->i_duration = val.i_time;
902     }
903
904     /* Start title/chapter */
905     if( !p_input->b_preparsing )
906     {
907         val.i_int = p_input->p->input.i_title_start -
908                     p_input->p->input.i_title_offset;
909         if( val.i_int > 0 && val.i_int < p_input->p->input.i_title )
910             input_ControlPush( p_input, INPUT_CONTROL_SET_TITLE, &val );
911         val.i_int = p_input->p->input.i_seekpoint_start -
912                     p_input->p->input.i_seekpoint_offset;
913         if( val.i_int > 0 /* TODO: check upper boundary */ )
914             input_ControlPush( p_input, INPUT_CONTROL_SET_SEEKPOINT, &val );
915
916         /* Start time*/
917         /* Set start time */
918         p_input->p->i_start = (int64_t)var_GetInteger( p_input, "start-time" ) *
919                            I64C(1000000);
920         p_input->p->i_stop  = (int64_t)var_GetInteger( p_input, "stop-time" ) *
921                            I64C(1000000);
922
923         if( p_input->p->i_start > 0 )
924         {
925             if( p_input->p->i_start >= val.i_time )
926             {
927                 msg_Warn( p_input, "invalid start-time ignored" );
928             }
929             else
930             {
931                 vlc_value_t s;
932
933                 msg_Dbg( p_input, "starting at time: %ds",
934                                   (int)( p_input->p->i_start / I64C(1000000) ) );
935
936                 s.i_time = p_input->p->i_start;
937                 input_ControlPush( p_input, INPUT_CONTROL_SET_TIME, &s );
938             }
939         }
940         if( p_input->p->i_stop > 0 && p_input->p->i_stop <= p_input->p->i_start )
941         {
942             msg_Warn( p_input, "invalid stop-time ignored" );
943             p_input->p->i_stop = 0;
944         }
945
946         /* Load subtitles */
947         /* Get fps and set it if not already set */
948         if( !demux2_Control( p_input->p->input.p_demux, DEMUX_GET_FPS, &f_fps ) &&
949             f_fps > 1.0 )
950         {
951             float f_requested_fps;
952
953             var_Create( p_input, "sub-original-fps", VLC_VAR_FLOAT );
954             var_SetFloat( p_input, "sub-original-fps", f_fps );
955
956             f_requested_fps = var_CreateGetFloat( p_input, "sub-fps" );
957             if( f_requested_fps != f_fps )
958             {
959                 var_Create( p_input, "sub-fps", VLC_VAR_FLOAT|
960                                                 VLC_VAR_DOINHERIT );
961                 var_SetFloat( p_input, "sub-fps", f_requested_fps );
962             }
963         }
964
965         i_delay = var_CreateGetInteger( p_input, "sub-delay" );
966         if( i_delay != 0 )
967         {
968             var_SetTime( p_input, "spu-delay", (mtime_t)i_delay * 100000 );
969         }
970
971         /* Look for and add subtitle files */
972         psz_subtitle = var_GetString( p_input, "sub-file" );
973         if( *psz_subtitle )
974         {
975             msg_Dbg( p_input, "forced subtitle: %s", psz_subtitle );
976             input_AddSubtitles( p_input, psz_subtitle, VLC_FALSE );
977         }
978
979         var_Get( p_input, "sub-autodetect-file", &val );
980         if( val.b_bool )
981         {
982             char *psz_autopath = var_GetString( p_input, "sub-autodetect-path" );
983             char **subs = subtitles_Detect( p_input, psz_autopath,
984                                             p_input->p->input.p_item->psz_uri );
985             input_source_t *sub;
986             i = 0;
987
988             /* Try to autoselect the first autodetected subtitles file
989              * if no subtitles file was specified */
990             if( *psz_subtitle == 0 && subs && subs[0] )
991             {
992                 input_AddSubtitles( p_input, subs[0], VLC_FALSE );
993                 free( subs[0] );
994                 i = 1;
995             }
996
997             /* Then, just add the following subtitles files */
998             for( ; subs && subs[i]; i++ )
999             {
1000                 if( strcmp( psz_subtitle, subs[i] ) )
1001                 {
1002                     sub = InputSourceNew( p_input );
1003                     if( !InputSourceInit( p_input, sub, subs[i], "subtitle" ) )
1004                     {
1005                         TAB_APPEND( p_input->p->i_slave, p_input->p->slave, sub );
1006                     }
1007                     else free( sub );
1008                 }
1009                 free( subs[i] );
1010             }
1011             if( subs ) free( subs );
1012             if( psz_autopath ) free( psz_autopath );
1013         }
1014         free( psz_subtitle );
1015
1016         /* Look for slave */
1017         psz = var_GetString( p_input, "input-slave" );
1018         if( *psz )
1019         {
1020             char *psz_delim;
1021             input_source_t *slave;
1022             while( psz && *psz )
1023             {
1024                 while( *psz == ' ' || *psz == '#' )
1025                 {
1026                     psz++;
1027                 }
1028                 if( ( psz_delim = strchr( psz, '#' ) ) )
1029                 {
1030                     *psz_delim++ = '\0';
1031                 }
1032                 if( *psz == 0 )
1033                 {
1034                     break;
1035                 }
1036
1037                 msg_Dbg( p_input, "adding slave input '%s'", psz );
1038                 slave = InputSourceNew( p_input );
1039                 if( !InputSourceInit( p_input, slave, psz, NULL ) )
1040                 {
1041                     TAB_APPEND( p_input->p->i_slave, p_input->p->slave, slave );
1042                 }
1043                 else free( slave );
1044                 psz = psz_delim;
1045             }
1046         }
1047         if( psz ) free( psz );
1048     }
1049     else
1050     {
1051         p_input->p->i_start = 0;
1052         p_input->p->i_start = 0;
1053     }
1054
1055     /* Set up es_out */
1056     if( !p_input->b_preparsing )
1057     {
1058         es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ACTIVE, VLC_TRUE );
1059         i_es_out_mode = ES_OUT_MODE_AUTO;
1060         val.p_list = NULL;
1061         if( p_input->p->p_sout )
1062         {
1063             var_Get( p_input, "sout-all", &val );
1064             if ( val.b_bool )
1065             {
1066                 i_es_out_mode = ES_OUT_MODE_ALL;
1067                 val.p_list = NULL;
1068             }
1069             else
1070             {
1071                 var_Get( p_input, "programs", &val );
1072                 if ( val.p_list && val.p_list->i_count )
1073                 {
1074                     i_es_out_mode = ES_OUT_MODE_PARTIAL;
1075                     /* Note : we should remove the "program" callback. */
1076                 }
1077                 else
1078                     var_Change( p_input, "programs", VLC_VAR_FREELIST, &val,
1079                                 NULL );
1080             }
1081         }
1082         es_out_Control( p_input->p->p_es_out, ES_OUT_SET_MODE, i_es_out_mode );
1083
1084         /* Inform the demuxer about waited group (needed only for DVB) */
1085         if( i_es_out_mode == ES_OUT_MODE_ALL )
1086         {
1087             demux2_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1, NULL );
1088         }
1089         else if( i_es_out_mode == ES_OUT_MODE_PARTIAL )
1090         {
1091             demux2_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, -1,
1092                             val.p_list );
1093         }
1094         else
1095         {
1096             demux2_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP,
1097                            (int) var_GetInteger( p_input, "program" ), NULL );
1098         }
1099
1100         if( p_input->p->p_sout )
1101         {
1102             if( p_input->p->p_sout->i_out_pace_nocontrol > 0 )
1103             {
1104                 p_input->p->b_out_pace_control = VLC_FALSE;
1105             }
1106             else
1107             {
1108                 p_input->p->b_out_pace_control = VLC_TRUE;
1109             }
1110
1111             if( p_input->b_can_pace_control && p_input->p->b_out_pace_control )
1112             {
1113                 /* We don't want a high input priority here or we'll
1114                  * end-up sucking up all the CPU time */
1115                 vlc_thread_set_priority( p_input, VLC_THREAD_PRIORITY_LOW );
1116             }
1117
1118             msg_Dbg( p_input, "starting in %s mode",
1119                      p_input->p->b_out_pace_control ? "async" : "sync" );
1120         }
1121     }
1122
1123     p_meta = p_input->p->input.p_item->p_meta;
1124     /* Get meta data from users */
1125     InputMetaUser( p_input );
1126     /* Get meta data from master input */
1127     demux2_Control( p_input->p->input.p_demux, DEMUX_GET_META, p_meta );
1128
1129     /* Access_file does not give any meta, and there are no slave */
1130     if( !p_input->b_preparsing )
1131     {
1132         if( p_input->p->input.p_access )
1133             access2_Control( p_input->p->input.p_access, ACCESS_GET_META,
1134                              p_meta );
1135
1136         /* Get meta data from slave input */
1137         for( i = 0; i < p_input->p->i_slave; i++ )
1138         {
1139             demux2_Control( p_input->p->slave[i]->p_demux,
1140                             DEMUX_GET_META, p_meta );
1141             if( p_input->p->slave[i]->p_access )
1142             {
1143                 access2_Control( p_input->p->slave[i]->p_access,
1144                                  ACCESS_GET_META, p_meta );
1145             }
1146         }
1147     }
1148
1149     UpdateMeta( p_input );
1150
1151     if( !p_input->b_preparsing )
1152     {
1153         msg_Dbg( p_input, "`%s' successfully opened",
1154                  p_input->p->input.p_item->psz_uri );
1155
1156     }
1157
1158     /* initialization is complete */
1159     input_ChangeState( p_input, PLAYING_S );
1160
1161     return VLC_SUCCESS;
1162
1163 error:
1164     input_ChangeState( p_input, ERROR_S );
1165
1166     if( p_input->p->p_es_out )
1167         input_EsOutDelete( p_input->p->p_es_out );
1168
1169     if( p_input->p->p_sout )
1170     {
1171         vlc_object_detach( p_input->p->p_sout );
1172         sout_DeleteInstance( p_input->p->p_sout );
1173     }
1174
1175
1176     if( !p_input->b_preparsing && p_input->p_libvlc->b_stats )
1177     {
1178 #define EXIT_COUNTER( c ) do { if( p_input->p->counters.p_##c ) \
1179                                    stats_CounterClean( p_input->p->counters.p_##c );\
1180                                p_input->p->counters.p_##c = NULL; } while(0)
1181         EXIT_COUNTER( read_bytes );
1182         EXIT_COUNTER( read_packets );
1183         EXIT_COUNTER( demux_read );
1184         EXIT_COUNTER( input_bitrate );
1185         EXIT_COUNTER( demux_bitrate );
1186         EXIT_COUNTER( played_abuffers );
1187         EXIT_COUNTER( lost_abuffers );
1188         EXIT_COUNTER( displayed_pictures );
1189         EXIT_COUNTER( lost_pictures );
1190         EXIT_COUNTER( decoded_audio );
1191         EXIT_COUNTER( decoded_video );
1192         EXIT_COUNTER( decoded_sub );
1193
1194         if( p_input->p->p_sout )
1195         {
1196             EXIT_COUNTER( sout_sent_packets );
1197             EXIT_COUNTER (sout_sent_bytes );
1198             EXIT_COUNTER( sout_send_bitrate );
1199         }
1200 #undef EXIT_COUNTER
1201     }
1202
1203     /* Mark them deleted */
1204     p_input->p->input.p_demux = NULL;
1205     p_input->p->input.p_stream = NULL;
1206     p_input->p->input.p_access = NULL;
1207     p_input->p->p_es_out = NULL;
1208     p_input->p->p_sout = NULL;
1209
1210     return VLC_EGENERIC;
1211 }
1212
1213 /*****************************************************************************
1214  * Error: RunThread() error loop
1215  *****************************************************************************
1216  * This function is called when an error occurred during thread main's loop.
1217  *****************************************************************************/
1218 static void Error( input_thread_t *p_input )
1219 {
1220     while( !p_input->b_die )
1221     {
1222         /* Sleep a while */
1223         input_ChangeState( p_input, ERROR_S );
1224         msleep( INPUT_IDLE_SLEEP );
1225     }
1226 }
1227
1228 /*****************************************************************************
1229  * End: end the input thread
1230  *****************************************************************************/
1231 static void End( input_thread_t * p_input )
1232 {
1233     int i;
1234
1235     /* We are at the end */
1236     input_ChangeState( p_input, END_S );
1237
1238     /* Clean control variables */
1239     input_ControlVarClean( p_input );
1240
1241     /* Clean up master */
1242     InputSourceClean( &p_input->p->input );
1243
1244     /* Delete slave */
1245     for( i = 0; i < p_input->p->i_slave; i++ )
1246     {
1247         InputSourceClean( p_input->p->slave[i] );
1248         free( p_input->p->slave[i] );
1249     }
1250     if( p_input->p->slave ) free( p_input->p->slave );
1251
1252     /* Unload all modules */
1253     if( p_input->p->p_es_out )
1254         input_EsOutDelete( p_input->p->p_es_out );
1255
1256     if( !p_input->b_preparsing )
1257     {
1258 #define CL_CO( c ) stats_CounterClean( p_input->p->counters.p_##c ); p_input->p->counters.p_##c = NULL;
1259         if( p_input->p_libvlc->b_stats )
1260         {
1261             /* make sure we are up to date */
1262             stats_ComputeInputStats( p_input, p_input->p->input.p_item->p_stats );
1263             if( p_input->p_libvlc->p_playlist->p_stats_computer == p_input )
1264             {
1265                 stats_ComputeGlobalStats( p_input->p_libvlc->p_playlist,
1266                                           p_input->p_libvlc->p_playlist->p_stats );
1267                 p_input->p_libvlc->p_playlist->p_stats_computer = NULL;
1268             }
1269             CL_CO( read_bytes );
1270             CL_CO( read_packets );
1271             CL_CO( demux_read );
1272             CL_CO( input_bitrate );
1273             CL_CO( demux_bitrate );
1274             CL_CO( played_abuffers );
1275             CL_CO( lost_abuffers );
1276             CL_CO( displayed_pictures );
1277             CL_CO( lost_pictures );
1278             CL_CO( decoded_audio) ;
1279             CL_CO( decoded_video );
1280             CL_CO( decoded_sub) ;
1281         }
1282
1283         /* Close optional stream output instance */
1284         if( p_input->p->p_sout )
1285         {
1286             CL_CO( sout_sent_packets );
1287             CL_CO( sout_sent_bytes );
1288             CL_CO( sout_send_bitrate );
1289
1290             vlc_object_detach( p_input->p->p_sout );
1291         }
1292 #undef CL_CO
1293     }
1294
1295     vlc_mutex_destroy( &p_input->p->counters.counters_lock );
1296
1297     /* Tell we're dead */
1298     p_input->b_dead = VLC_TRUE;
1299 }
1300
1301 static sout_instance_t *SoutFind( vlc_object_t *p_parent, input_item_t *p_item, vlc_bool_t *pb_sout_keep )
1302 {
1303     vlc_bool_t b_keep_sout = var_CreateGetBool( p_parent, "sout-keep" );
1304     sout_instance_t *p_sout = NULL;
1305     int i;
1306
1307     /* Search sout-keep options
1308      * XXX it has to be done here, but it is duplicated work :( */
1309     vlc_mutex_lock( &p_item->lock );
1310     for( i = 0; i < p_item->i_options; i++ )
1311     {
1312         const char *psz_option = p_item->ppsz_options[i];
1313         if( !psz_option )
1314             continue;
1315         if( *psz_option == ':' )
1316             psz_option++;
1317
1318         if( !strcmp( psz_option, "sout-keep" ) )
1319             b_keep_sout = VLC_TRUE;
1320         else if( !strcmp( psz_option, "no-sout-keep" ) || !strcmp( psz_option, "nosout-keep" ) )
1321             b_keep_sout = VLC_FALSE;
1322     }
1323     vlc_mutex_unlock( &p_item->lock );
1324
1325     /* Find a potential sout to reuse
1326      * XXX it might be unusable but this will be checked later */
1327     if( b_keep_sout )
1328     {
1329         /* Remove the sout from the playlist garbage collector */
1330         playlist_t *p_playlist = pl_Yield( p_parent );
1331
1332         vlc_mutex_lock( &p_playlist->gc_lock );
1333         p_sout = vlc_object_find( p_playlist, VLC_OBJECT_SOUT, FIND_CHILD );
1334         if( p_sout )
1335         {
1336             if( p_sout->p_parent != VLC_OBJECT(p_playlist) )
1337             {
1338                 vlc_object_release( p_sout );
1339                 p_sout = NULL;
1340             }
1341             else
1342             {
1343                 vlc_object_detach( p_sout );    /* Remove it from the GC */
1344
1345                 vlc_object_release( p_sout );
1346             }
1347         }
1348         vlc_mutex_unlock( &p_playlist->gc_lock );
1349
1350         pl_Release( p_parent );
1351     }
1352
1353     if( pb_sout_keep )
1354         *pb_sout_keep = b_keep_sout;
1355
1356     return p_sout;
1357 }
1358 static void SoutKeep( sout_instance_t *p_sout )
1359 {
1360     /* attach sout to the playlist */
1361     playlist_t  *p_playlist = pl_Yield( p_sout );
1362
1363     msg_Dbg( p_sout, "sout has been kept" );
1364     vlc_object_attach( p_sout, p_playlist );
1365
1366     pl_Release( p_sout );
1367 }
1368
1369 /*****************************************************************************
1370  * Control
1371  *****************************************************************************/
1372 static inline int ControlPopNoLock( input_thread_t *p_input,
1373                                     int *pi_type, vlc_value_t *p_val )
1374 {
1375     if( p_input->p->i_control <= 0 )
1376     {
1377         return VLC_EGENERIC;
1378     }
1379
1380     *pi_type = p_input->p->control[0].i_type;
1381     *p_val   = p_input->p->control[0].val;
1382
1383     p_input->p->i_control--;
1384     if( p_input->p->i_control > 0 )
1385     {
1386         int i;
1387
1388         for( i = 0; i < p_input->p->i_control; i++ )
1389         {
1390             p_input->p->control[i].i_type = p_input->p->control[i+1].i_type;
1391             p_input->p->control[i].val    = p_input->p->control[i+1].val;
1392         }
1393     }
1394
1395     return VLC_SUCCESS;
1396 }
1397
1398 static void ControlReduce( input_thread_t *p_input )
1399 {
1400     int i;
1401
1402     if( !p_input )
1403         return;
1404
1405     for( i = 1; i < p_input->p->i_control; i++ )
1406     {
1407         const int i_lt = p_input->p->control[i-1].i_type;
1408         const int i_ct = p_input->p->control[i].i_type;
1409
1410         /* XXX We can't merge INPUT_CONTROL_SET_ES */
1411 /*        msg_Dbg( p_input, "[%d/%d] l=%d c=%d", i, p_input->p->i_control,
1412                  i_lt, i_ct );
1413 */
1414         if( i_lt == i_ct &&
1415             ( i_ct == INPUT_CONTROL_SET_STATE ||
1416               i_ct == INPUT_CONTROL_SET_RATE ||
1417               i_ct == INPUT_CONTROL_SET_POSITION ||
1418               i_ct == INPUT_CONTROL_SET_TIME ||
1419               i_ct == INPUT_CONTROL_SET_PROGRAM ||
1420               i_ct == INPUT_CONTROL_SET_TITLE ||
1421               i_ct == INPUT_CONTROL_SET_SEEKPOINT ||
1422               i_ct == INPUT_CONTROL_SET_BOOKMARK ) )
1423         {
1424             int j;
1425 //            msg_Dbg( p_input, "merged at %d", i );
1426             /* Remove the i-1 */
1427             for( j = i; j <  p_input->p->i_control; j++ )
1428                 p_input->p->control[j-1] = p_input->p->control[j];
1429             p_input->p->i_control--;
1430         }
1431         else
1432         {
1433             /* TODO but that's not that important
1434                 - merge SET_X with SET_X_CMD
1435                 - remove SET_SEEKPOINT/SET_POSITION/SET_TIME before a SET_TITLE
1436                 - remove SET_SEEKPOINT/SET_POSITION/SET_TIME before another among them
1437                 - ?
1438                 */
1439         }
1440     }
1441 }
1442
1443 static vlc_bool_t Control( input_thread_t *p_input, int i_type,
1444                            vlc_value_t val )
1445 {
1446     vlc_bool_t b_force_update = VLC_FALSE;
1447
1448     if( !p_input ) return b_force_update;
1449
1450     switch( i_type )
1451     {
1452         case INPUT_CONTROL_SET_DIE:
1453             msg_Dbg( p_input, "control: stopping input" );
1454             /* Mark all submodules to die */
1455             if( p_input->p->input.p_access )
1456                 vlc_object_kill( p_input->p->input.p_access );
1457             if( p_input->p->input.p_stream )
1458                 vlc_object_kill( p_input->p->input.p_stream );
1459             vlc_object_kill( p_input->p->input.p_demux );
1460
1461             vlc_object_kill( p_input );
1462             break;
1463
1464         case INPUT_CONTROL_SET_POSITION:
1465         case INPUT_CONTROL_SET_POSITION_OFFSET:
1466         {
1467             double f_pos;
1468             if( i_type == INPUT_CONTROL_SET_POSITION )
1469             {
1470                 f_pos = val.f_float;
1471             }
1472             else
1473             {
1474                 /* Should not fail */
1475                 demux2_Control( p_input->p->input.p_demux,
1476                                 DEMUX_GET_POSITION, &f_pos );
1477                 f_pos += val.f_float;
1478             }
1479             if( f_pos < 0.0 ) f_pos = 0.0;
1480             if( f_pos > 1.0 ) f_pos = 1.0;
1481             /* Reset the decoders states and clock sync (before calling the demuxer */
1482             es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1483             input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_TRUE, VLC_FALSE );
1484             if( demux2_Control( p_input->p->input.p_demux, DEMUX_SET_POSITION,
1485                                 f_pos ) )
1486             {
1487                 msg_Err( p_input, "INPUT_CONTROL_SET_POSITION(_OFFSET) "
1488                          "%2.1f%% failed", f_pos * 100 );
1489             }
1490             else
1491             {
1492                 if( p_input->p->i_slave > 0 )
1493                     SlaveSeek( p_input );
1494
1495                 b_force_update = VLC_TRUE;
1496             }
1497             break;
1498         }
1499
1500         case INPUT_CONTROL_SET_TIME:
1501         case INPUT_CONTROL_SET_TIME_OFFSET:
1502         {
1503             int64_t i_time;
1504             int i_ret;
1505
1506             if( i_type == INPUT_CONTROL_SET_TIME )
1507             {
1508                 i_time = val.i_time;
1509             }
1510             else
1511             {
1512                 /* Should not fail */
1513                 demux2_Control( p_input->p->input.p_demux,
1514                                 DEMUX_GET_TIME, &i_time );
1515                 i_time += val.i_time;
1516             }
1517             if( i_time < 0 ) i_time = 0;
1518
1519             /* Reset the decoders states and clock sync (before calling the demuxer */
1520             es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1521             input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_TRUE, VLC_FALSE );
1522
1523             i_ret = demux2_Control( p_input->p->input.p_demux,
1524                                     DEMUX_SET_TIME, i_time );
1525             if( i_ret )
1526             {
1527                 int64_t i_length;
1528
1529                 /* Emulate it with a SET_POS */
1530                 demux2_Control( p_input->p->input.p_demux,
1531                                 DEMUX_GET_LENGTH, &i_length );
1532                 if( i_length > 0 )
1533                 {
1534                     double f_pos = (double)i_time / (double)i_length;
1535                     i_ret = demux2_Control( p_input->p->input.p_demux,
1536                                             DEMUX_SET_POSITION, f_pos );
1537                 }
1538             }
1539             if( i_ret )
1540             {
1541                 msg_Warn( p_input, "INPUT_CONTROL_SET_TIME(_OFFSET) "I64Fd
1542                          " failed or not possible", i_time );
1543             }
1544             else
1545             {
1546                 if( p_input->p->i_slave > 0 )
1547                     SlaveSeek( p_input );
1548
1549                 b_force_update = VLC_TRUE;
1550             }
1551             break;
1552         }
1553
1554         case INPUT_CONTROL_SET_STATE:
1555             if( ( val.i_int == PLAYING_S && p_input->i_state == PAUSE_S ) ||
1556                 ( val.i_int == PAUSE_S && p_input->i_state == PAUSE_S ) )
1557             {
1558                 int i_ret;
1559                 if( p_input->p->input.p_access )
1560                     i_ret = access2_Control( p_input->p->input.p_access,
1561                                              ACCESS_SET_PAUSE_STATE, VLC_FALSE );
1562                 else
1563                     i_ret = demux2_Control( p_input->p->input.p_demux,
1564                                             DEMUX_SET_PAUSE_STATE, VLC_FALSE );
1565
1566                 if( i_ret )
1567                 {
1568                     /* FIXME What to do ? */
1569                     msg_Warn( p_input, "cannot unset pause -> EOF" );
1570                     vlc_mutex_unlock( &p_input->p->lock_control );
1571                     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
1572                     vlc_mutex_lock( &p_input->p->lock_control );
1573                 }
1574
1575                 b_force_update = VLC_TRUE;
1576
1577                 /* Switch to play */
1578                 p_input->i_state = PLAYING_S;
1579                 val.i_int = PLAYING_S;
1580                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1581
1582                 /* Reset clock */
1583                 es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1584             }
1585             else if( val.i_int == PAUSE_S && p_input->i_state == PLAYING_S &&
1586                      p_input->p->b_can_pause )
1587             {
1588                 int i_ret;
1589                 if( p_input->p->input.p_access )
1590                     i_ret = access2_Control( p_input->p->input.p_access,
1591                                              ACCESS_SET_PAUSE_STATE, VLC_TRUE );
1592                 else
1593                     i_ret = demux2_Control( p_input->p->input.p_demux,
1594                                             DEMUX_SET_PAUSE_STATE, VLC_TRUE );
1595
1596                 b_force_update = VLC_TRUE;
1597
1598                 if( i_ret )
1599                 {
1600                     msg_Warn( p_input, "cannot set pause state" );
1601                     val.i_int = p_input->i_state;
1602                 }
1603                 else
1604                 {
1605                     val.i_int = PAUSE_S;
1606                 }
1607
1608                 /* Switch to new state */
1609                 p_input->i_state = val.i_int;
1610                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1611
1612                 /* Send discontinuity to decoders (it will allow them to flush
1613                  * if implemented */
1614                 input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_FALSE, VLC_FALSE );
1615             }
1616             else if( val.i_int == PAUSE_S && !p_input->p->b_can_pause )
1617             {
1618                 b_force_update = VLC_TRUE;
1619
1620                 /* Correct "state" value */
1621                 val.i_int = p_input->i_state;
1622                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1623             }
1624             else if( val.i_int != PLAYING_S && val.i_int != PAUSE_S )
1625             {
1626                 msg_Err( p_input, "invalid state in INPUT_CONTROL_SET_STATE" );
1627             }
1628             break;
1629
1630         case INPUT_CONTROL_SET_RATE:
1631         case INPUT_CONTROL_SET_RATE_SLOWER:
1632         case INPUT_CONTROL_SET_RATE_FASTER:
1633         {
1634             int i_rate;
1635
1636             if( i_type == INPUT_CONTROL_SET_RATE_SLOWER )
1637                 i_rate = p_input->p->i_rate * 2;
1638             else if( i_type == INPUT_CONTROL_SET_RATE_FASTER )
1639                 i_rate = p_input->p->i_rate / 2;
1640             else
1641                 i_rate = val.i_int;
1642
1643             if( i_rate < INPUT_RATE_MIN )
1644             {
1645                 msg_Dbg( p_input, "cannot set rate faster" );
1646                 i_rate = INPUT_RATE_MIN;
1647             }
1648             else if( i_rate > INPUT_RATE_MAX )
1649             {
1650                 msg_Dbg( p_input, "cannot set rate slower" );
1651                 i_rate = INPUT_RATE_MAX;
1652             }
1653             if( i_rate != INPUT_RATE_DEFAULT &&
1654                 ( !p_input->b_can_pace_control ||
1655                   ( p_input->p->p_sout && !p_input->p->b_out_pace_control ) ) )
1656             {
1657                 msg_Dbg( p_input, "cannot change rate" );
1658                 i_rate = INPUT_RATE_DEFAULT;
1659             }
1660             if( i_rate != p_input->p->i_rate )
1661             {
1662                 val.i_int = i_rate;
1663                 var_Change( p_input, "rate", VLC_VAR_SETVALUE, &val, NULL );
1664
1665                 /* We will not send audio data if new rate != default */
1666                 if( i_rate != INPUT_RATE_DEFAULT && p_input->p->i_rate == INPUT_RATE_DEFAULT )
1667                     input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_TRUE, VLC_TRUE );
1668
1669                 p_input->p->i_rate  = i_rate;
1670
1671                 /* Reset clock */
1672                 es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1673
1674                 b_force_update = VLC_TRUE;
1675             }
1676             break;
1677         }
1678
1679         case INPUT_CONTROL_SET_PROGRAM:
1680             /* No need to force update, es_out does it if needed */
1681             es_out_Control( p_input->p->p_es_out,
1682                             ES_OUT_SET_GROUP, val.i_int );
1683
1684             demux2_Control( p_input->p->input.p_demux, DEMUX_SET_GROUP, val.i_int,
1685                             NULL );
1686             break;
1687
1688         case INPUT_CONTROL_SET_ES:
1689             /* No need to force update, es_out does it if needed */
1690             es_out_Control( p_input->p->p_es_out, ES_OUT_SET_ES,
1691                             input_EsOutGetFromID( p_input->p->p_es_out,
1692                                                   val.i_int ) );
1693             break;
1694
1695         case INPUT_CONTROL_SET_AUDIO_DELAY:
1696             input_EsOutSetDelay( p_input->p->p_es_out,
1697                                  AUDIO_ES, val.i_time );
1698             var_Change( p_input, "audio-delay", VLC_VAR_SETVALUE, &val, NULL );
1699             break;
1700
1701         case INPUT_CONTROL_SET_SPU_DELAY:
1702             input_EsOutSetDelay( p_input->p->p_es_out,
1703                                  SPU_ES, val.i_time );
1704             var_Change( p_input, "spu-delay", VLC_VAR_SETVALUE, &val, NULL );
1705             break;
1706
1707         case INPUT_CONTROL_SET_TITLE:
1708         case INPUT_CONTROL_SET_TITLE_NEXT:
1709         case INPUT_CONTROL_SET_TITLE_PREV:
1710             if( p_input->p->input.b_title_demux &&
1711                 p_input->p->input.i_title > 0 )
1712             {
1713                 /* TODO */
1714                 /* FIXME handle demux title */
1715                 demux_t *p_demux = p_input->p->input.p_demux;
1716                 int i_title;
1717
1718                 if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1719                     i_title = p_demux->info.i_title - 1;
1720                 else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1721                     i_title = p_demux->info.i_title + 1;
1722                 else
1723                     i_title = val.i_int;
1724
1725                 if( i_title >= 0 && i_title < p_input->p->input.i_title )
1726                 {
1727                     es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1728                     input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_TRUE, VLC_FALSE );
1729
1730                     demux2_Control( p_demux, DEMUX_SET_TITLE, i_title );
1731                     input_ControlVarTitle( p_input, i_title );
1732                 }
1733             }
1734             else if( p_input->p->input.i_title > 0 )
1735             {
1736                 access_t *p_access = p_input->p->input.p_access;
1737                 int i_title;
1738
1739                 if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1740                     i_title = p_access->info.i_title - 1;
1741                 else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1742                     i_title = p_access->info.i_title + 1;
1743                 else
1744                     i_title = val.i_int;
1745
1746                 if( i_title >= 0 && i_title < p_input->p->input.i_title )
1747                 {
1748                     es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1749                     input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_TRUE, VLC_FALSE );
1750
1751                     access2_Control( p_access, ACCESS_SET_TITLE, i_title );
1752                     stream_AccessReset( p_input->p->input.p_stream );
1753                 }
1754             }
1755             break;
1756         case INPUT_CONTROL_SET_SEEKPOINT:
1757         case INPUT_CONTROL_SET_SEEKPOINT_NEXT:
1758         case INPUT_CONTROL_SET_SEEKPOINT_PREV:
1759             if( p_input->p->input.b_title_demux &&
1760                 p_input->p->input.i_title > 0 )
1761             {
1762                 demux_t *p_demux = p_input->p->input.p_demux;
1763                 int i_seekpoint;
1764                 int64_t i_input_time;
1765                 int64_t i_seekpoint_time;
1766
1767                 if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1768                 {
1769                     i_seekpoint = p_demux->info.i_seekpoint;
1770                     i_seekpoint_time = p_input->p->input.title[p_demux->info.i_title]->seekpoint[i_seekpoint]->i_time_offset;
1771                     if( i_seekpoint_time >= 0 &&
1772                          !demux2_Control( p_demux,
1773                                           DEMUX_GET_TIME, &i_input_time ) )
1774                     {
1775                         if ( i_input_time < i_seekpoint_time + 3000000 )
1776                             i_seekpoint--;
1777                     }
1778                     else
1779                         i_seekpoint--;
1780                 }
1781                 else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
1782                     i_seekpoint = p_demux->info.i_seekpoint + 1;
1783                 else
1784                     i_seekpoint = val.i_int;
1785
1786                 if( i_seekpoint >= 0 && i_seekpoint <
1787                     p_input->p->input.title[p_demux->info.i_title]->i_seekpoint )
1788                 {
1789                     es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1790                     input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_TRUE, VLC_FALSE );
1791
1792                     demux2_Control( p_demux, DEMUX_SET_SEEKPOINT, i_seekpoint );
1793                 }
1794             }
1795             else if( p_input->p->input.i_title > 0 )
1796             {
1797                 demux_t *p_demux = p_input->p->input.p_demux;
1798                 access_t *p_access = p_input->p->input.p_access;
1799                 int i_seekpoint;
1800                 int64_t i_input_time;
1801                 int64_t i_seekpoint_time;
1802
1803                 if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1804                 {
1805                     i_seekpoint = p_access->info.i_seekpoint;
1806                     i_seekpoint_time = p_input->p->input.title[p_access->info.i_title]->seekpoint[i_seekpoint]->i_time_offset;
1807                     if( i_seekpoint_time >= 0 &&
1808                         demux2_Control( p_demux,
1809                                         DEMUX_GET_TIME, &i_input_time ) )
1810                     {
1811                         if ( i_input_time < i_seekpoint_time + 3000000 )
1812                             i_seekpoint--;
1813                     }
1814                     else
1815                         i_seekpoint--;
1816                 }
1817                 else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT ) 
1818                     i_seekpoint = p_access->info.i_seekpoint + 1;
1819                 else
1820                     i_seekpoint = val.i_int;
1821
1822                 if( i_seekpoint >= 0 && i_seekpoint <
1823                     p_input->p->input.title[p_access->info.i_title]->i_seekpoint )
1824                 {
1825                     es_out_Control( p_input->p->p_es_out, ES_OUT_RESET_PCR );
1826                     input_EsOutDiscontinuity( p_input->p->p_es_out, VLC_TRUE, VLC_FALSE );
1827
1828                     access2_Control( p_access, ACCESS_SET_SEEKPOINT,
1829                                     i_seekpoint );
1830                     stream_AccessReset( p_input->p->input.p_stream );
1831                 }
1832             }
1833             break;
1834
1835         case INPUT_CONTROL_ADD_SLAVE:
1836             if( val.psz_string )
1837             {
1838                 input_source_t *slave = InputSourceNew( p_input );
1839
1840                 if( !InputSourceInit( p_input, slave, val.psz_string, NULL ) )
1841                 {
1842                     vlc_meta_t *p_meta = p_input->p->input.p_item->p_meta;
1843                     int64_t i_time;
1844
1845                     /* Add the slave */
1846                     msg_Dbg( p_input, "adding %s as slave on the fly",
1847                              val.psz_string );
1848
1849                     /* Set position */
1850                     if( demux2_Control( p_input->p->input.p_demux,
1851                                         DEMUX_GET_TIME, &i_time ) )
1852                     {
1853                         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
1854                         InputSourceClean( slave );
1855                         free( slave );
1856                         break;
1857                     }
1858                     if( demux2_Control( slave->p_demux,
1859                                         DEMUX_SET_TIME, i_time ) )
1860                     {
1861                         msg_Err( p_input, "seek failed for new slave" );
1862                         InputSourceClean( slave );
1863                         free( slave );
1864                         break;
1865                     }
1866
1867                     /* Get meta (access and demux) */
1868                     access2_Control( slave->p_access, ACCESS_GET_META,
1869                                      p_meta );
1870                     demux2_Control( slave->p_demux, DEMUX_GET_META, p_meta );
1871                     UpdateMeta( p_input );
1872
1873                     TAB_APPEND( p_input->p->i_slave, p_input->p->slave, slave );
1874                 }
1875                 else
1876                 {
1877                     free( slave );
1878                     msg_Warn( p_input, "failed to add %s as slave",
1879                               val.psz_string );
1880                 }
1881
1882                 free( val.psz_string );
1883             }
1884             break;
1885
1886         case INPUT_CONTROL_SET_BOOKMARK:
1887         default:
1888             msg_Err( p_input, "not yet implemented" );
1889             break;
1890     }
1891
1892     return b_force_update;
1893 }
1894
1895 /*****************************************************************************
1896  * UpdateFromDemux:
1897  *****************************************************************************/
1898 static int UpdateFromDemux( input_thread_t *p_input )
1899 {
1900     demux_t *p_demux = p_input->p->input.p_demux;
1901     vlc_value_t v;
1902
1903     if( p_demux->info.i_update & INPUT_UPDATE_TITLE )
1904     {
1905         v.i_int = p_demux->info.i_title;
1906         var_Change( p_input, "title", VLC_VAR_SETVALUE, &v, NULL );
1907
1908         input_ControlVarTitle( p_input, p_demux->info.i_title );
1909
1910         p_demux->info.i_update &= ~INPUT_UPDATE_TITLE;
1911     }
1912     if( p_demux->info.i_update & INPUT_UPDATE_SEEKPOINT )
1913     {
1914         v.i_int = p_demux->info.i_seekpoint;
1915         var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &v, NULL);
1916
1917         p_demux->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
1918     }
1919     p_demux->info.i_update &= ~INPUT_UPDATE_SIZE;
1920
1921     /* Hmmm only works with master input */
1922     if( p_input->p->input.p_demux == p_demux )
1923     {
1924         int i_title_end = p_input->p->input.i_title_end -
1925             p_input->p->input.i_title_offset;
1926         int i_seekpoint_end = p_input->p->input.i_seekpoint_end -
1927             p_input->p->input.i_seekpoint_offset;
1928
1929         if( i_title_end >= 0 && i_seekpoint_end >= 0 )
1930         {
1931             if( p_demux->info.i_title > i_title_end ||
1932                 ( p_demux->info.i_title == i_title_end &&
1933                   p_demux->info.i_seekpoint > i_seekpoint_end ) ) return 0;
1934         }
1935         else if( i_seekpoint_end >=0 )
1936         {
1937             if( p_demux->info.i_seekpoint > i_seekpoint_end ) return 0;
1938         }
1939         else if( i_title_end >= 0 )
1940         {
1941             if( p_demux->info.i_title > i_title_end ) return 0;
1942         }
1943     }
1944
1945     return 1;
1946 }
1947
1948 /*****************************************************************************
1949  * UpdateFromAccess:
1950  *****************************************************************************/
1951 static int UpdateFromAccess( input_thread_t *p_input )
1952 {
1953     access_t *p_access = p_input->p->input.p_access;
1954     vlc_value_t v;
1955
1956     if( p_access->info.i_update & INPUT_UPDATE_TITLE )
1957     {
1958         v.i_int = p_access->info.i_title;
1959         var_Change( p_input, "title", VLC_VAR_SETVALUE, &v, NULL );
1960
1961         input_ControlVarTitle( p_input, p_access->info.i_title );
1962
1963         stream_AccessUpdate( p_input->p->input.p_stream );
1964
1965         p_access->info.i_update &= ~INPUT_UPDATE_TITLE;
1966     }
1967     if( p_access->info.i_update & INPUT_UPDATE_SEEKPOINT )
1968     {
1969         v.i_int = p_access->info.i_seekpoint;
1970         var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &v, NULL);
1971         p_access->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
1972     }
1973     if( p_access->info.i_update & INPUT_UPDATE_META )
1974     {
1975         /* TODO maybe multi - access ? */
1976         vlc_meta_t *p_meta = p_input->p->input.p_item->p_meta;
1977         access2_Control( p_input->p->input.p_access,ACCESS_GET_META, p_meta );
1978         UpdateMeta( p_input );
1979         var_SetBool( p_input, "item-change", p_input->p->input.p_item->i_id );
1980         p_access->info.i_update &= ~INPUT_UPDATE_META;
1981     }
1982
1983     p_access->info.i_update &= ~INPUT_UPDATE_SIZE;
1984
1985     /* Hmmm only works with master input */
1986     if( p_input->p->input.p_access == p_access )
1987     {
1988         int i_title_end = p_input->p->input.i_title_end -
1989             p_input->p->input.i_title_offset;
1990         int i_seekpoint_end = p_input->p->input.i_seekpoint_end -
1991             p_input->p->input.i_seekpoint_offset;
1992
1993         if( i_title_end >= 0 && i_seekpoint_end >=0 )
1994         {
1995             if( p_access->info.i_title > i_title_end ||
1996                 ( p_access->info.i_title == i_title_end &&
1997                   p_access->info.i_seekpoint > i_seekpoint_end ) ) return 0;
1998         }
1999         else if( i_seekpoint_end >=0 )
2000         {
2001             if( p_access->info.i_seekpoint > i_seekpoint_end ) return 0;
2002         }
2003         else if( i_title_end >= 0 )
2004         {
2005             if( p_access->info.i_title > i_title_end ) return 0;
2006         }
2007     }
2008
2009     return 1;
2010 }
2011
2012 /*****************************************************************************
2013  * UpdateMeta:
2014  *****************************************************************************/
2015 static int  UpdateMeta( input_thread_t *p_input )
2016 {
2017     vlc_meta_t *p_meta = p_input->p->input.p_item->p_meta;
2018     if( !p_meta )
2019         return VLC_SUCCESS;
2020
2021     if( p_meta->psz_title && !p_input->p->input.p_item->b_fixed_name )
2022         input_Control( p_input, INPUT_SET_NAME, p_meta->psz_title );
2023
2024     /** \todo handle sout meta */
2025
2026     return VLC_SUCCESS;
2027 }
2028
2029 /*****************************************************************************
2030  * UpdateItemLength:
2031  *****************************************************************************/
2032 static void UpdateItemLength( input_thread_t *p_input, int64_t i_length )
2033 {
2034     vlc_mutex_lock( &p_input->p->input.p_item->lock );
2035     p_input->p->input.p_item->i_duration = i_length;
2036     vlc_mutex_unlock( &p_input->p->input.p_item->lock );
2037
2038     if( !p_input->b_preparsing )
2039     {
2040         pl_Yield( p_input );
2041         var_SetInteger( pl_Get( p_input ), "item-change",
2042                         p_input->p->input.p_item->i_id );
2043         pl_Release( p_input )
2044     }
2045 }
2046
2047 /*****************************************************************************
2048  * InputSourceNew:
2049  *****************************************************************************/
2050 static input_source_t *InputSourceNew( input_thread_t *p_input )
2051 {
2052     input_source_t *in = (input_source_t*) malloc( sizeof( input_source_t ) );
2053
2054     if( !in )
2055     {
2056         msg_Err( p_input, "out of memory for new input source" );
2057         return NULL;
2058     }
2059
2060     in->p_item   = NULL;
2061     in->p_access = NULL;
2062     in->p_stream = NULL;
2063     in->p_demux  = NULL;
2064     in->b_title_demux = VLC_FALSE;
2065     in->i_title  = 0;
2066     in->title    = NULL;
2067     in->b_can_pace_control = VLC_TRUE;
2068     in->b_eof = VLC_FALSE;
2069     in->i_cr_average = 0;
2070
2071     return in;
2072 }
2073
2074 /*****************************************************************************
2075  * InputSourceInit:
2076  *****************************************************************************/
2077 static int InputSourceInit( input_thread_t *p_input,
2078                             input_source_t *in, const char *psz_mrl,
2079                             const char *psz_forced_demux )
2080 {
2081     char psz_dup[strlen (psz_mrl) + 1];
2082     const char *psz_access;
2083     const char *psz_demux;
2084     char *psz_path;
2085     char *psz_tmp;
2086     char *psz;
2087     vlc_value_t val;
2088
2089     strcpy( psz_dup, psz_mrl );
2090
2091     if( !in ) return VLC_EGENERIC;
2092     if( !p_input ) return VLC_EGENERIC;
2093
2094     /* Split uri */
2095     if( !p_input->b_preparsing )
2096     {
2097         MRLSplit( VLC_OBJECT(p_input), psz_dup,
2098                   &psz_access, &psz_demux, &psz_path );
2099
2100         msg_Dbg( p_input, "`%s' gives access `%s' demux `%s' path `%s'",
2101                  psz_mrl, psz_access, psz_demux, psz_path );
2102
2103         /* Hack to allow udp://@:port syntax */
2104         if( !psz_access ||
2105             (strncmp( psz_access, "udp", 3 ) &&
2106              strncmp( psz_access, "rtp", 3 )) )
2107
2108         /* Find optional titles and seekpoints */
2109         MRLSections( p_input, psz_path, &in->i_title_start, &in->i_title_end,
2110                      &in->i_seekpoint_start, &in->i_seekpoint_end );
2111
2112         if( psz_forced_demux && *psz_forced_demux )
2113         {
2114             psz_demux = psz_forced_demux;
2115         }
2116         else if( !psz_demux || *psz_demux == '\0' )
2117         {
2118             /* special hack for forcing a demuxer with --demux=module
2119              * (and do nothing with a list) */
2120             char *psz_var_demux = var_GetString( p_input, "demux" );
2121
2122             if( *psz_var_demux != '\0' &&
2123                 !strchr(psz_var_demux, ',' ) &&
2124                 !strchr(psz_var_demux, ':' ) )
2125             {
2126                 psz_demux = psz_var_demux;
2127
2128                 msg_Dbg( p_input, "enforced demux ` %s'", psz_demux );
2129             }
2130             else if( psz_var_demux )
2131             {
2132                 free( psz_var_demux );
2133             }
2134         }
2135
2136         /* Try access_demux if no demux given */
2137         if( *psz_demux == '\0' )
2138         {
2139             in->p_demux = demux2_New( p_input, psz_access, psz_demux, psz_path,
2140                                       NULL, p_input->p->p_es_out, VLC_FALSE );
2141         }
2142     }
2143     else
2144     {
2145         psz_path = psz_dup;
2146         if( !strncmp( psz_path, "file://", 7 ) )
2147             psz_path += 7;
2148         msg_Dbg( p_input, "trying to pre-parse %s",  psz_path );
2149         psz_demux = "";
2150         psz_access = "file";
2151     }
2152
2153     if( in->p_demux )
2154     {
2155         int64_t i_pts_delay;
2156
2157         /* Get infos from access_demux */
2158         demux2_Control( in->p_demux,
2159                         DEMUX_GET_PTS_DELAY, &i_pts_delay );
2160         p_input->i_pts_delay = __MAX( p_input->i_pts_delay, i_pts_delay );
2161
2162         in->b_title_demux = VLC_TRUE;
2163         if( demux2_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2164                             &in->title, &in->i_title,
2165                             &in->i_title_offset, &in->i_seekpoint_offset ) )
2166         {
2167             in->i_title = 0;
2168             in->title   = NULL;
2169         }
2170         demux2_Control( in->p_demux, DEMUX_CAN_CONTROL_PACE,
2171                         &in->b_can_pace_control );
2172         demux2_Control( in->p_demux, DEMUX_CAN_PAUSE,
2173                         &in->b_can_pause );
2174
2175         /* FIXME todo
2176         demux2_Control( in->p_demux, DEMUX_CAN_SEEK,
2177                         &val.b_bool );
2178         */
2179     }
2180     else
2181     {
2182         int64_t i_pts_delay;
2183
2184         input_ChangeState( p_input, OPENING_S );
2185
2186         /* Now try a real access */
2187         in->p_access = access2_New( p_input, psz_access, psz_demux, psz_path,
2188                                     p_input->b_preparsing );
2189
2190         /* Access failed, URL encoded ? */
2191         if( in->p_access == NULL && strchr( psz_path, '%' ) )
2192         {
2193             decode_URI( psz_path );
2194
2195             msg_Dbg( p_input, "retrying with access `%s' demux `%s' path `%s'",
2196                      psz_access, psz_demux, psz_path );
2197
2198             in->p_access = access2_New( p_input,
2199                                         psz_access, psz_demux, psz_path,
2200                                         p_input->b_preparsing );
2201         }
2202
2203         if( in->p_access == NULL )
2204         {
2205             msg_Err( p_input, "open of `%s' failed: %s", psz_mrl,
2206                                                          msg_StackMsg() );
2207             intf_UserFatal( VLC_OBJECT( p_input), VLC_FALSE,
2208                             _("Your input can't be opened"),
2209                             _("VLC is unable to open the MRL '%s'."
2210                             " Check the log for details."), psz_mrl );
2211             goto error;
2212         }
2213
2214         /* */
2215         psz_tmp = psz = var_GetString( p_input, "access-filter" );
2216         while( psz && *psz )
2217         {
2218             access_t *p_access = in->p_access;
2219             char *end = strchr( psz, ':' );
2220
2221             if( end )
2222                 *end++ = '\0';
2223
2224             in->p_access = access2_FilterNew( in->p_access, psz );
2225             if( in->p_access == NULL )
2226             {
2227                 in->p_access = p_access;
2228                 msg_Warn( p_input, "failed to insert access filter %s",
2229                           psz );
2230             }
2231
2232             psz = end;
2233         }
2234         if( psz_tmp ) free( psz_tmp );
2235
2236         /* Get infos from access */
2237         if( !p_input->b_preparsing )
2238         {
2239             access2_Control( in->p_access,
2240                              ACCESS_GET_PTS_DELAY, &i_pts_delay );
2241             p_input->i_pts_delay = __MAX( p_input->i_pts_delay, i_pts_delay );
2242
2243             in->b_title_demux = VLC_FALSE;
2244             if( access2_Control( in->p_access, ACCESS_GET_TITLE_INFO,
2245                                  &in->title, &in->i_title,
2246                                 &in->i_title_offset, &in->i_seekpoint_offset ) )
2247
2248             {
2249                 in->i_title = 0;
2250                 in->title   = NULL;
2251             }
2252             access2_Control( in->p_access, ACCESS_CAN_CONTROL_PACE,
2253                              &in->b_can_pace_control );
2254             access2_Control( in->p_access, ACCESS_CAN_PAUSE,
2255                              &in->b_can_pause );
2256             access2_Control( in->p_access, ACCESS_CAN_SEEK,
2257                              &val.b_bool );
2258             var_Set( p_input, "seekable", val );
2259         }
2260
2261         input_ChangeState( p_input, BUFFERING_S );
2262
2263         /* Create the stream_t */
2264         in->p_stream = stream_AccessNew( in->p_access, p_input->b_preparsing );
2265         if( in->p_stream == NULL )
2266         {
2267             msg_Warn( p_input, "cannot create a stream_t from access" );
2268             goto error;
2269         }
2270
2271         /* Open a demuxer */
2272         if( *psz_demux == '\0' && *in->p_access->psz_demux )
2273         {
2274             psz_demux = in->p_access->psz_demux;
2275         }
2276
2277         {
2278             /* Take access redirections into account */
2279             char *psz_real_path;
2280             char *psz_buf = NULL;
2281             if( in->p_access->psz_path )
2282             {
2283                 const char *psz_a, *psz_d;
2284                 psz_buf = strdup( in->p_access->psz_path );
2285                 MRLSplit( VLC_OBJECT(p_input), psz_buf,
2286                           &psz_a, &psz_d, &psz_real_path );
2287             }
2288             else
2289             {
2290                 psz_real_path = psz_path;
2291             }
2292             in->p_demux = demux2_New( p_input, psz_access, psz_demux,
2293                                       psz_real_path,
2294                                       in->p_stream, p_input->p->p_es_out,
2295                                       p_input->b_preparsing );
2296             free( psz_buf );
2297         }
2298
2299         if( in->p_demux == NULL )
2300         {
2301             msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
2302                      psz_access, psz_demux, psz_path );
2303             intf_UserFatal( VLC_OBJECT( p_input ), VLC_FALSE,
2304                             _("Can't recognize the input's format"),
2305                             _("The format of '%s' can't be detected. "
2306                             "Have a look the log for details."), psz_mrl );
2307             goto error;
2308         }
2309
2310         /* TODO get title from demux */
2311         if( !p_input->b_preparsing && in->i_title <= 0 )
2312         {
2313             if( demux2_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2314                                 &in->title, &in->i_title,
2315                                 &in->i_title_offset, &in->i_seekpoint_offset ))
2316             {
2317                 in->i_title = 0;
2318                 in->title   = NULL;
2319             }
2320             else
2321             {
2322                 in->b_title_demux = VLC_TRUE;
2323             }
2324         }
2325     }
2326
2327     if( var_GetInteger( p_input, "clock-synchro" ) != -1 )
2328         in->b_can_pace_control = !var_GetInteger( p_input, "clock-synchro" );
2329
2330     return VLC_SUCCESS;
2331
2332 error:
2333     input_ChangeState( p_input, ERROR_S );
2334
2335     if( in->p_demux )
2336         demux2_Delete( in->p_demux );
2337
2338     if( in->p_stream )
2339         stream_Delete( in->p_stream );
2340
2341     if( in->p_access )
2342         access2_Delete( in->p_access );
2343
2344     return VLC_EGENERIC;
2345 }
2346
2347 /*****************************************************************************
2348  * InputSourceClean:
2349  *****************************************************************************/
2350 static void InputSourceClean( input_source_t *in )
2351 {
2352     if( in->p_demux )
2353         demux2_Delete( in->p_demux );
2354
2355     if( in->p_stream )
2356         stream_Delete( in->p_stream );
2357
2358     if( in->p_access )
2359         access2_Delete( in->p_access );
2360
2361     if( in->i_title > 0 )
2362     {
2363         int i;
2364         for( i = 0; i < in->i_title; i++ )
2365         {
2366             vlc_input_title_Delete( in->title[i] );
2367         }
2368         free( in->title );
2369     }
2370 }
2371
2372 static void SlaveDemux( input_thread_t *p_input )
2373 {
2374     int64_t i_time;
2375     int i;
2376
2377     if( demux2_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2378     {
2379         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2380         return;
2381     }
2382
2383     for( i = 0; i < p_input->p->i_slave; i++ )
2384     {
2385         input_source_t *in = p_input->p->slave[i];
2386         int i_ret = 1;
2387
2388         if( in->b_eof )
2389             continue;
2390
2391         if( demux2_Control( in->p_demux, DEMUX_SET_NEXT_DEMUX_TIME, i_time ) )
2392         {
2393             for( ;; )
2394             {
2395                 int64_t i_stime;
2396                 if( demux2_Control( in->p_demux, DEMUX_GET_TIME, &i_stime ) )
2397                 {
2398                     msg_Err( p_input, "slave[%d] doesn't like "
2399                              "DEMUX_GET_TIME -> EOF", i );
2400                     i_ret = 0;
2401                     break;
2402                 }
2403
2404                 if( i_stime >= i_time )
2405                     break;
2406
2407                 if( ( i_ret = in->p_demux->pf_demux( in->p_demux ) ) <= 0 )
2408                     break;
2409             }
2410         }
2411         else
2412         {
2413             i_ret = in->p_demux->pf_demux( in->p_demux );
2414         }
2415
2416         if( i_ret <= 0 )
2417         {
2418             msg_Dbg( p_input, "slave %d EOF", i );
2419             in->b_eof = VLC_TRUE;
2420         }
2421     }
2422 }
2423
2424 static void SlaveSeek( input_thread_t *p_input )
2425 {
2426     int64_t i_time;
2427     int i;
2428
2429     if( !p_input ) return;
2430
2431     if( demux2_Control( p_input->p->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2432     {
2433         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2434         return;
2435     }
2436
2437     for( i = 0; i < p_input->p->i_slave; i++ )
2438     {
2439         input_source_t *in = p_input->p->slave[i];
2440
2441         if( demux2_Control( in->p_demux, DEMUX_SET_TIME, i_time ) )
2442         {
2443             msg_Err( p_input, "seek failed for slave %d -> EOF", i );
2444             in->b_eof = VLC_TRUE;
2445         }
2446     }
2447 }
2448
2449 /*****************************************************************************
2450  * InputMetaUser:
2451  *****************************************************************************/
2452 static void InputMetaUser( input_thread_t *p_input )
2453 {
2454     vlc_meta_t *p_meta = p_input->p->input.p_item->p_meta;
2455     vlc_value_t val;
2456
2457     if( !p_meta ) return;
2458
2459     /* Get meta information from user */
2460 #define GET_META( field, s ) \
2461     var_Get( p_input, (s), &val );  \
2462     if( *val.psz_string ) { \
2463         if( p_meta->psz_ ## field ) free ( p_meta->psz_ ## field ); \
2464         p_meta->psz_ ## field = strdup( val.psz_string ); \
2465     } \
2466     free( val.psz_string )
2467
2468     GET_META( title, "meta-title" );
2469     GET_META( artist, "meta-artist" );
2470     GET_META( genre, "meta-genre" );
2471     GET_META( copyright, "meta-copyright" );
2472     GET_META( description, "meta-description" );
2473     GET_META( date, "meta-date" );
2474     GET_META( url, "meta-url" );
2475 #undef GET_META
2476 }
2477
2478 /*****************************************************************************
2479  * MRLSplit: parse the access, demux and url part of the
2480  *           Media Resource Locator.
2481  *****************************************************************************/
2482 void MRLSplit( vlc_object_t *p_input, char *psz_dup,
2483                const char **ppsz_access, const char **ppsz_demux,
2484                char **ppsz_path )
2485 {
2486     const char *psz_access = "";
2487     const char *psz_demux  = "";
2488     char *psz_path;
2489     char *psz, *psz_check;
2490
2491     psz = strchr( psz_dup, ':' );
2492
2493     /* '@' not allowed in access/demux part */
2494     psz_check = strchr( psz_dup, '@' );
2495     if( psz_check && psz_check < psz ) psz = 0;
2496
2497 #if defined( WIN32 ) || defined( UNDER_CE )
2498     if( psz - psz_dup == 1 )
2499     {
2500         msg_Dbg( p_input, "drive letter %c: found in source", *psz_dup );
2501         psz_path = psz_dup;
2502     }
2503     else
2504 #else
2505     (void)p_input;
2506 #endif
2507
2508     if( psz )
2509     {
2510         *psz++ = '\0';
2511         if( psz[0] == '/' && psz[1] == '/' ) psz += 2;
2512
2513         psz_path = psz;
2514
2515         psz = strchr( psz_dup, '/' );
2516         if( psz )
2517         {
2518             *psz++ = '\0';
2519             psz_demux = psz;
2520         }
2521
2522         psz_access = psz_dup;
2523     }
2524     else
2525     {
2526         psz_path = psz_dup;
2527     }
2528
2529     *ppsz_access = psz_access;
2530     *ppsz_demux = psz_demux;
2531     *ppsz_path = psz_path;
2532 }
2533
2534 /*****************************************************************************
2535  * MRLSections: parse title and seekpoint info from the Media Resource Locator.
2536  *
2537  * Syntax:
2538  * [url][@[title-start][:chapter-start][-[title-end][:chapter-end]]]
2539  *****************************************************************************/
2540 static void MRLSections( input_thread_t *p_input, char *psz_source,
2541                          int *pi_title_start, int *pi_title_end,
2542                          int *pi_chapter_start, int *pi_chapter_end )
2543 {
2544     char *psz, *psz_end, *psz_next, *psz_check;
2545
2546     *pi_title_start = *pi_title_end = -1;
2547     *pi_chapter_start = *pi_chapter_end = -1;
2548
2549     /* Start by parsing titles and chapters */
2550     if( !psz_source || !( psz = strrchr( psz_source, '@' ) ) ) return;
2551
2552     /* Check we are really dealing with a title/chapter section */
2553     psz_check = psz + 1;
2554     if( !*psz_check ) return;
2555     if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2556     if( *psz_check != ':' && *psz_check != '-' && *psz_check ) return;
2557     if( *psz_check == ':' && ++psz_check )
2558         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2559     if( *psz_check != '-' && *psz_check ) return;
2560     if( *psz_check == '-' && ++psz_check )
2561         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2562     if( *psz_check != ':' && *psz_check ) return;
2563     if( *psz_check == ':' && ++psz_check )
2564         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2565     if( *psz_check ) return;
2566
2567     /* Separate start and end */
2568     *psz++ = 0;
2569     if( ( psz_end = strchr( psz, '-' ) ) ) *psz_end++ = 0;
2570
2571     /* Look for the start title */
2572     *pi_title_start = strtol( psz, &psz_next, 0 );
2573     if( !*pi_title_start && psz == psz_next ) *pi_title_start = -1;
2574     *pi_title_end = *pi_title_start;
2575     psz = psz_next;
2576
2577     /* Look for the start chapter */
2578     if( *psz ) psz++;
2579     *pi_chapter_start = strtol( psz, &psz_next, 0 );
2580     if( !*pi_chapter_start && psz == psz_next ) *pi_chapter_start = -1;
2581     *pi_chapter_end = *pi_chapter_start;
2582
2583     if( psz_end )
2584     {
2585         /* Look for the end title */
2586         *pi_title_end = strtol( psz_end, &psz_next, 0 );
2587         if( !*pi_title_end && psz_end == psz_next ) *pi_title_end = -1;
2588         psz_end = psz_next;
2589
2590         /* Look for the end chapter */
2591         if( *psz_end ) psz_end++;
2592         *pi_chapter_end = strtol( psz_end, &psz_next, 0 );
2593         if( !*pi_chapter_end && psz_end == psz_next ) *pi_chapter_end = -1;
2594     }
2595
2596     msg_Dbg( p_input, "source=`%s' title=%d/%d seekpoint=%d/%d",
2597              psz_source, *pi_title_start, *pi_chapter_start,
2598              *pi_title_end, *pi_chapter_end );
2599 }
2600
2601 /*****************************************************************************
2602  * input_AddSubtitles: add a subtitles file and enable it
2603  *****************************************************************************/
2604 vlc_bool_t input_AddSubtitles( input_thread_t *p_input, char *psz_subtitle,
2605                                vlc_bool_t b_check_extension )
2606 {
2607     input_source_t *sub;
2608     vlc_value_t count;
2609     vlc_value_t list;
2610     char *psz_path, *psz_extension;
2611
2612     if( b_check_extension && !subtitles_Filter( psz_subtitle ) )
2613     {
2614         return VLC_FALSE;
2615     }
2616
2617     /* if we are provided a subtitle.sub file,
2618      * see if we don't have a subtitle.idx and use it instead */
2619     psz_path = strdup( psz_subtitle );
2620     if( psz_path )
2621     {
2622         psz_extension = strrchr( psz_path, '.');
2623         if( psz_extension && strcmp( psz_extension, ".sub" ) == 0 )
2624         {
2625             FILE *f;
2626
2627             strcpy( psz_extension, ".idx" );
2628             /* FIXME: a portable wrapper for stat() or access() would be more suited */
2629             if( ( f = utf8_fopen( psz_path, "rt" ) ) )
2630             {
2631                 fclose( f );
2632                 msg_Dbg( p_input, "using %s subtitles file instead of %s",
2633                          psz_path, psz_subtitle );
2634                 strcpy( psz_subtitle, psz_path );
2635             }
2636         }
2637         free( psz_path );
2638     }
2639
2640     var_Change( p_input, "spu-es", VLC_VAR_CHOICESCOUNT, &count, NULL );
2641
2642     sub = InputSourceNew( p_input );
2643     if( !InputSourceInit( p_input, sub, psz_subtitle, "subtitle" ) )
2644     {
2645         TAB_APPEND( p_input->p->i_slave, p_input->p->slave, sub );
2646
2647         /* Select the ES */
2648         if( !var_Change( p_input, "spu-es", VLC_VAR_GETLIST, &list, NULL ) )
2649         {
2650             if( count.i_int == 0 )
2651                 count.i_int++;
2652             /* if it was first one, there is disable too */
2653
2654             if( count.i_int < list.p_list->i_count )
2655             {
2656                 input_ControlPush( p_input, INPUT_CONTROL_SET_ES,
2657                                    &list.p_list->p_values[count.i_int] );
2658             }
2659             var_Change( p_input, "spu-es", VLC_VAR_FREELIST, &list, NULL );
2660         }
2661     }
2662     else free( sub );
2663
2664     return VLC_TRUE;
2665 }