4543c48605c8750c6c6ae7ec550f91c3ff462e5c
[vlc.git] / src / input / input.c
1 /*****************************************************************************
2  * input.c: input thread
3  *****************************************************************************
4  * Copyright (C) 1998-2004 VideoLAN
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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
23  *****************************************************************************/
24
25 /*****************************************************************************
26  * Preamble
27  *****************************************************************************/
28 #include <stdlib.h>
29 #include <ctype.h>
30
31 #include <vlc/vlc.h>
32 #include <vlc/input.h>
33 #include <vlc/decoder.h>
34 #include <vlc/vout.h>
35
36 #include "input_internal.h"
37
38 #include "stream_output.h"
39 #include "vlc_playlist.h"
40 #include "vlc_interface.h"
41
42 /*****************************************************************************
43  * Local prototypes
44  *****************************************************************************/
45 static  int Run  ( input_thread_t *p_input );
46
47 static  int Init ( input_thread_t *p_input, vlc_bool_t b_quick );
48 static void Error( input_thread_t *p_input );
49 static void End  ( input_thread_t *p_input );
50
51 static inline int ControlPopNoLock( input_thread_t *, int *, vlc_value_t * );
52 static void       ControlReduce( input_thread_t * );
53 static vlc_bool_t Control( input_thread_t *, int, vlc_value_t );
54
55
56 static int  UpdateFromAccess( input_thread_t * );
57 static int  UpdateFromDemux( input_thread_t * );
58 static int  UpdateMeta( input_thread_t *, vlc_bool_t );
59
60 static void UpdateItemLength( input_thread_t *, int64_t i_length, vlc_bool_t );
61
62 static void ParseOption( input_thread_t *p_input, const char *psz_option );
63
64 static void DecodeUrl( char * );
65 static void MRLSplit( input_thread_t *, char *, char **, char **, char ** );
66 static void MRLSections( input_thread_t *, char *, int *, int *, int *, int *);
67
68 static input_source_t *InputSourceNew( input_thread_t *);
69 static int  InputSourceInit( input_thread_t *, input_source_t *,
70                              char *, char *psz_forced_demux,
71                              vlc_bool_t b_quick );
72 static void InputSourceClean( input_thread_t *, input_source_t * );
73
74 static void SlaveDemux( input_thread_t *p_input );
75 static void SlaveSeek( input_thread_t *p_input );
76
77 static vlc_meta_t *InputMetaUser( input_thread_t *p_input );
78
79 /*****************************************************************************
80  * input_CreateThread: creates a new input thread
81  *****************************************************************************
82  * This function creates a new input, and returns a pointer
83  * to its description. On error, it returns NULL.
84  *
85  * Variables for _public_ use:
86  * * Get and Set:
87  *  - state
88  *  - rate,rate-slower, rate-faster
89  *  - position, position-offset
90  *  - time, time-offset
91  *  - title,title-next,title-prev
92  *  - chapter,chapter-next, chapter-prev
93  *  - program, audio-es, video-es, spu-es
94  *  - audio-delay, spu-delay
95  *  - bookmark
96  * * Get only:
97  *  - length
98  *  - bookmarks
99  *  - seekable (if you can seek, it doesn't say if 'bar display' has be shown or not, for that check position != 0.0)
100  * * For intf callback upon changes
101  *  - intf-change
102  * TODO explain when Callback is called
103  * TODO complete this list (?)
104  *****************************************************************************/
105 input_thread_t *__input_CreateThread( vlc_object_t *p_parent,
106                                       input_item_t *p_item )
107
108 {
109     input_thread_t *p_input;                        /* thread descriptor */
110     vlc_value_t val;
111     int i;
112
113     /* Allocate descriptor */
114     p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT );
115     if( p_input == NULL )
116     {
117         msg_Err( p_parent, "out of memory" );
118         return NULL;
119     }
120
121     /* Init Common fields */
122     p_input->b_eof = VLC_FALSE;
123     p_input->b_can_pace_control = VLC_TRUE;
124     p_input->i_start = 0;
125     p_input->i_time  = 0;
126     p_input->i_stop  = 0;
127     p_input->i_title = 0;
128     p_input->title   = NULL;
129     p_input->i_title_offset = p_input->i_seekpoint_offset = 0;
130     p_input->i_state = INIT_S;
131     p_input->i_rate  = INPUT_RATE_DEFAULT;
132     p_input->i_bookmark = 0;
133     p_input->bookmark = NULL;
134     p_input->p_meta  = NULL;
135     p_input->p_es_out = NULL;
136     p_input->p_sout  = NULL;
137     p_input->b_out_pace_control = VLC_FALSE;
138     p_input->i_pts_delay = 0;
139
140     /* Init Input fields */
141     p_input->input.p_item = p_item;
142     p_input->input.p_access = NULL;
143     p_input->input.p_stream = NULL;
144     p_input->input.p_demux  = NULL;
145     p_input->input.b_title_demux = VLC_FALSE;
146     p_input->input.i_title  = 0;
147     p_input->input.title    = NULL;
148     p_input->input.i_title_offset = p_input->input.i_seekpoint_offset = 0;
149     p_input->input.b_can_pace_control = VLC_TRUE;
150     p_input->input.b_eof = VLC_FALSE;
151     p_input->input.i_cr_average = 0;
152
153     /* No slave */
154     p_input->i_slave = 0;
155     p_input->slave   = NULL;
156
157     /* Init control buffer */
158     vlc_mutex_init( p_input, &p_input->lock_control );
159     p_input->i_control = 0;
160
161     /* Parse input options */
162     vlc_mutex_lock( &p_item->lock );
163     for( i = 0; i < p_item->i_options; i++ )
164     {
165 //        msg_Dbg( p_input, "option: %s", p_item->ppsz_options[i] );
166         ParseOption( p_input, p_item->ppsz_options[i] );
167     }
168     vlc_mutex_unlock( &p_item->lock );
169
170     /* Create Object Variables for private use only */
171     input_ConfigVarInit( p_input );
172
173     /* Create Objects variables for public Get and Set */
174     input_ControlVarInit( p_input );
175     p_input->input.i_cr_average = var_GetInteger( p_input, "cr-average" );
176
177     /* TODO */
178     var_Get( p_input, "bookmarks", &val );
179     if( val.psz_string )
180     {
181         /* FIXME: have a common cfg parsing routine used by sout and others */
182         char *psz_parser, *psz_start, *psz_end;
183         psz_parser = val.psz_string;
184         while( (psz_start = strchr( psz_parser, '{' ) ) )
185         {
186             seekpoint_t seekpoint;
187             char backup;
188             psz_start++;
189             psz_end = strchr( psz_start, '}' );
190             if( !psz_end ) break;
191             psz_parser = psz_end + 1;
192             backup = *psz_parser;
193             *psz_parser = 0;
194             *psz_end = ',';
195
196             seekpoint.psz_name = 0;
197             seekpoint.i_byte_offset = 0;
198             seekpoint.i_time_offset = 0;
199             while( (psz_end = strchr( psz_start, ',' ) ) )
200             {
201                 *psz_end = 0;
202                 if( !strncmp( psz_start, "name=", 5 ) )
203                 {
204                     seekpoint.psz_name = psz_start + 5;
205                 }
206                 else if( !strncmp( psz_start, "bytes=", 6 ) )
207                 {
208                     seekpoint.i_byte_offset = atoll(psz_start + 6);
209                 }
210                 else if( !strncmp( psz_start, "time=", 5 ) )
211                 {
212                     seekpoint.i_time_offset = atoll(psz_start + 5) * 1000000;
213                 }
214                 psz_start = psz_end + 1;
215             }
216             msg_Dbg( p_input, "adding bookmark: %s, bytes="I64Fd", time="I64Fd,
217                      seekpoint.psz_name, seekpoint.i_byte_offset,
218                      seekpoint.i_time_offset );
219             input_Control( p_input, INPUT_ADD_BOOKMARK, &seekpoint );
220             *psz_parser = backup;
221         }
222         free( val.psz_string );
223     }
224
225     /* Now we can attach our new input */
226     vlc_object_attach( p_input, p_parent );
227
228     /* Create thread and wait for its readiness. */
229     if( vlc_thread_create( p_input, "input", Run,
230                            VLC_THREAD_PRIORITY_INPUT, VLC_TRUE ) )
231     {
232         msg_Err( p_input, "cannot create input thread" );
233         vlc_object_detach( p_input );
234         vlc_object_destroy( p_input );
235         return NULL;
236     }
237
238     return p_input;
239 }
240
241 /*****************************************************************************
242  * input_PreParse: Lightweight input for playlist item preparsing
243  *****************************************************************************/
244 int __input_Preparse( vlc_object_t *p_parent, input_item_t *p_item )
245 {
246     input_thread_t *p_input;                        /* thread descriptor */
247     int i;
248
249     /* Allocate descriptor */
250     p_input = vlc_object_create( p_parent, VLC_OBJECT_INPUT );
251     if( p_input == NULL )
252     {
253         msg_Err( p_parent, "out of memory" );
254         return VLC_EGENERIC;
255     }
256
257     /* Init Common fields */
258     p_input->b_eof = VLC_FALSE;
259     p_input->b_can_pace_control = VLC_TRUE;
260     p_input->i_start = 0;
261     p_input->i_time  = 0;
262     p_input->i_stop  = 0;
263     p_input->i_title = 0;
264     p_input->title   = NULL;
265     p_input->i_title_offset = p_input->i_seekpoint_offset = 0;
266     p_input->i_state = INIT_S;
267     p_input->i_rate  = INPUT_RATE_DEFAULT;
268     p_input->i_bookmark = 0;
269     p_input->bookmark = NULL;
270     p_input->p_meta  = NULL;
271     p_input->p_es_out = NULL;
272     p_input->p_sout  = NULL;
273     p_input->b_out_pace_control = VLC_FALSE;
274     p_input->i_pts_delay = 0;
275
276     /* Init Input fields */
277     p_input->input.p_item = p_item;
278     p_input->input.p_access = NULL;
279     p_input->input.p_stream = NULL;
280     p_input->input.p_demux  = NULL;
281     p_input->input.b_title_demux = VLC_FALSE;
282     p_input->input.i_title  = 0;
283     p_input->input.title    = NULL;
284     p_input->input.i_title_offset = p_input->input.i_seekpoint_offset = 0;
285     p_input->input.b_can_pace_control = VLC_TRUE;
286     p_input->input.b_eof = VLC_FALSE;
287     p_input->input.i_cr_average = 0;
288
289     /* No slave */
290     p_input->i_slave = 0;
291     p_input->slave   = NULL;
292
293     /* Init control buffer */
294     vlc_mutex_init( p_input, &p_input->lock_control );
295     p_input->i_control = 0;
296
297     /* Parse input options */
298     vlc_mutex_lock( &p_item->lock );
299     for( i = 0; i < p_item->i_options; i++ )
300     {
301         ParseOption( p_input, p_item->ppsz_options[i] );
302     }
303     vlc_mutex_unlock( &p_item->lock );
304
305     /* Create Object Variables for private use only */
306     input_ConfigVarInit( p_input );
307     input_ControlVarInit( p_input );
308
309     p_input->input.i_cr_average = var_GetInteger( p_input, "cr-average" );
310
311     /* Now we can attach our new input */
312     vlc_object_attach( p_input, p_parent );
313
314     Init( p_input, VLC_TRUE );
315
316     /* Clean up master */
317     InputSourceClean( p_input, &p_input->input );
318
319     /* Kill access and demux */
320     if( p_input->input.p_access ) p_input->input.p_access->b_die = VLC_TRUE;
321     if( p_input->input.p_demux ) p_input->input.p_access->b_die = VLC_TRUE;
322
323     /* Unload all modules */
324     if( p_input->p_es_out ) input_EsOutDelete( p_input->p_es_out );
325
326     /* Delete meta */
327     if( p_input->p_meta ) vlc_meta_Delete( p_input->p_meta );
328
329     vlc_object_detach( p_input );
330     vlc_object_destroy( p_input );
331
332     return VLC_SUCCESS;
333 }
334
335 /*****************************************************************************
336  * input_StopThread: mark an input thread as zombie
337  *****************************************************************************
338  * This function should not return until the thread is effectively cancelled.
339  *****************************************************************************/
340 void input_StopThread( input_thread_t *p_input )
341 {
342     vlc_list_t *p_list;
343     int i;
344
345     /* Set die for input */
346     p_input->b_die = VLC_TRUE;
347
348     /* We cannot touch p_input fields directly (we can from another thread),
349      * so use the vlc_object_find way, it's perfectly safe */
350
351     /* Set die for all access */
352     p_list = vlc_list_find( p_input, VLC_OBJECT_ACCESS, FIND_CHILD );
353     for( i = 0; i < p_list->i_count; i++ )
354     {
355         p_list->p_values[i].p_object->b_die = VLC_TRUE;
356     }
357     vlc_list_release( p_list );
358
359     /* Set die for all stream */
360     p_list = vlc_list_find( p_input, VLC_OBJECT_STREAM, FIND_CHILD );
361     for( i = 0; i < p_list->i_count; i++ )
362     {
363         p_list->p_values[i].p_object->b_die = VLC_TRUE;
364     }
365     vlc_list_release( p_list );
366
367     /* Set die for all demux */
368     p_list = vlc_list_find( p_input, VLC_OBJECT_DEMUX, FIND_CHILD );
369     for( i = 0; i < p_list->i_count; i++ )
370     {
371         p_list->p_values[i].p_object->b_die = VLC_TRUE;
372     }
373     vlc_list_release( p_list );
374
375     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
376 }
377
378 /*****************************************************************************
379  * input_DestroyThread: mark an input thread as zombie
380  *****************************************************************************
381  * This function should not return until the thread is effectively cancelled.
382  *****************************************************************************/
383 void input_DestroyThread( input_thread_t *p_input )
384 {
385     /* Join the thread */
386     vlc_thread_join( p_input );
387
388     /* Delete input lock (only after thread joined) */
389     vlc_mutex_destroy( &p_input->lock_control );
390
391     /* TODO: maybe input_DestroyThread should also delete p_input instead
392      * of the playlist but I'm not sure if it's possible */
393 }
394
395 /*****************************************************************************
396  * Run: main thread loop
397  *****************************************************************************
398  * Thread in charge of processing the network packets and demultiplexing.
399  *
400  * TODO:
401  *  read subtitle support (XXX take care of spu-delay in the right way).
402  *  multi-input support (XXX may be done with subs)
403  *****************************************************************************/
404 static int Run( input_thread_t *p_input )
405 {
406     int64_t i_intf_update = 0;
407
408     /* Signal that the thread is launched */
409     vlc_thread_ready( p_input );
410
411     if( Init( p_input, VLC_FALSE ) )
412     {
413         /* If we failed, wait before we are killed, and exit */
414         p_input->b_error = VLC_TRUE;
415
416         Error( p_input );
417
418         /* Tell we're dead */
419         p_input->b_dead = VLC_TRUE;
420
421         return 0;
422     }
423
424     /* Main loop */
425     while( !p_input->b_die && !p_input->b_error && !p_input->input.b_eof )
426     {
427         vlc_bool_t b_force_update = VLC_FALSE;
428         int i_ret;
429         int i_type;
430         vlc_value_t val;
431
432         /* Do the read */
433         if( p_input->i_state != PAUSE_S  )
434         {
435             if( p_input->i_stop <= 0 || p_input->i_time < p_input->i_stop )
436                 i_ret=p_input->input.p_demux->pf_demux(p_input->input.p_demux);
437             else
438                 i_ret = 0;  /* EOF */
439
440             if( i_ret > 0 )
441             {
442                 /* TODO */
443                 if( p_input->input.b_title_demux &&
444                     p_input->input.p_demux->info.i_update )
445                 {
446                     i_ret = UpdateFromDemux( p_input );
447                     b_force_update = VLC_TRUE;
448                 }
449                 else if( !p_input->input.b_title_demux &&
450                           p_input->input.p_access &&
451                           p_input->input.p_access->info.i_update )
452                 {
453                     i_ret = UpdateFromAccess( p_input );
454                     b_force_update = VLC_TRUE;
455                 }
456             }
457
458             if( i_ret == 0 )    /* EOF */
459             {
460                 vlc_value_t repeat;
461
462                 var_Get( p_input, "input-repeat", &repeat );
463                 if( repeat.i_int == 0 )
464                 {
465                     /* End of file - we do not set b_die because only the
466                      * playlist is allowed to do so. */
467                     msg_Dbg( p_input, "EOF reached" );
468                     p_input->input.b_eof = VLC_TRUE;
469                 }
470                 else
471                 {
472                     msg_Dbg( p_input, "repeating the same input (%d)",
473                              repeat.i_int );
474                     if( repeat.i_int > 0 )
475                     {
476                         repeat.i_int--;
477                         var_Set( p_input, "input-repeat", repeat );
478                     }
479
480                     /* Seek to start title/seekpoint */
481                     val.i_int = p_input->input.i_title_start -
482                         p_input->input.i_title_offset;
483                     if( val.i_int < 0 || val.i_int >= p_input->input.i_title )
484                         val.i_int = 0;
485                     input_ControlPush( p_input,
486                                        INPUT_CONTROL_SET_TITLE, &val );
487
488                     val.i_int = p_input->input.i_seekpoint_start -
489                         p_input->input.i_seekpoint_offset;
490                     if( val.i_int > 0 /* TODO: check upper boundary */ )
491                         input_ControlPush( p_input,
492                                            INPUT_CONTROL_SET_SEEKPOINT, &val );
493
494                     /* Seek to start position */
495                     if( p_input->i_start > 0 )
496                     {
497                         val.i_time = p_input->i_start;
498                         input_ControlPush( p_input, INPUT_CONTROL_SET_TIME,
499                                            &val );
500                     }
501                     else
502                     {
503                         val.f_float = 0.0;
504                         input_ControlPush( p_input, INPUT_CONTROL_SET_POSITION,
505                                            &val );
506                     }
507                 }
508             }
509             else if( i_ret < 0 )
510             {
511                 p_input->b_error = VLC_TRUE;
512             }
513
514             if( i_ret > 0 && p_input->i_slave > 0 )
515             {
516                 SlaveDemux( p_input );
517             }
518         }
519         else
520         {
521             /* Small wait */
522             msleep( 10*1000 );
523         }
524
525         /* Handle control */
526         vlc_mutex_lock( &p_input->lock_control );
527         ControlReduce( p_input );
528         while( !ControlPopNoLock( p_input, &i_type, &val ) )
529         {
530             msg_Dbg( p_input, "control type=%d", i_type );
531             if( Control( p_input, i_type, val ) )
532                 b_force_update = VLC_TRUE;
533         }
534         vlc_mutex_unlock( &p_input->lock_control );
535
536         if( b_force_update || i_intf_update < mdate() )
537         {
538             vlc_value_t val;
539             double f_pos;
540             int64_t i_time, i_length;
541             /* update input status variables */
542             if( !demux2_Control( p_input->input.p_demux,
543                                  DEMUX_GET_POSITION, &f_pos ) )
544             {
545                 val.f_float = (float)f_pos;
546                 var_Change( p_input, "position", VLC_VAR_SETVALUE, &val, NULL );
547             }
548             if( !demux2_Control( p_input->input.p_demux,
549                                  DEMUX_GET_TIME, &i_time ) )
550             {
551                 p_input->i_time = i_time;
552                 val.i_time = i_time;
553                 var_Change( p_input, "time", VLC_VAR_SETVALUE, &val, NULL );
554             }
555             if( !demux2_Control( p_input->input.p_demux,
556                                  DEMUX_GET_LENGTH, &i_length ) )
557             {
558                 vlc_value_t old_val;
559                 var_Get( p_input, "length", &old_val );
560                 val.i_time = i_length;
561                 var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
562
563                 if( old_val.i_time != val.i_time )
564                 {
565                     UpdateItemLength( p_input, i_length, VLC_TRUE );
566                 }
567             }
568
569             var_SetBool( p_input, "intf-change", VLC_TRUE );
570             i_intf_update = mdate() + I64C(150000);
571         }
572     }
573
574     if( !p_input->b_eof && !p_input->b_error && p_input->input.b_eof )
575     {
576         /* We have finish to demux data but not to play them */
577         while( !p_input->b_die )
578         {
579             if( input_EsOutDecodersEmpty( p_input->p_es_out ) )
580                 break;
581
582             msg_Dbg( p_input, "waiting decoder fifos to empty" );
583
584             msleep( INPUT_IDLE_SLEEP );
585         }
586
587         /* We have finished */
588         p_input->b_eof = VLC_TRUE;
589     }
590
591     /* Wait we are asked to die */
592     if( !p_input->b_die )
593     {
594         Error( p_input );
595     }
596
597     /* Clean up */
598     End( p_input );
599
600     return 0;
601 }
602
603
604 static int Init( input_thread_t * p_input, vlc_bool_t b_quick )
605 {
606     char *psz;
607     char *psz_subtitle;
608     vlc_value_t val;
609     double f_fps;
610     vlc_meta_t *p_meta, *p_meta_tmp;
611     int i_es_out_mode;
612     int i, i_delay;
613
614     /* Initialize optional stream output. (before access/demuxer) */
615     if( !b_quick )
616     {
617         psz = var_GetString( p_input, "sout" );
618         if( *psz )
619         {
620             p_input->p_sout = sout_NewInstance( p_input, psz );
621             if( p_input->p_sout == NULL )
622             {
623                 msg_Err( p_input, "cannot start stream output instance," \
624                                   "aborting" );
625                 free( psz );
626                 return VLC_EGENERIC;
627             }
628         }
629         free( psz );
630     }
631
632     /* Create es out */
633     p_input->p_es_out = input_EsOutNew( p_input );
634     es_out_Control( p_input->p_es_out, ES_OUT_SET_ACTIVE, VLC_FALSE );
635     es_out_Control( p_input->p_es_out, ES_OUT_SET_MODE, ES_OUT_MODE_NONE );
636
637     if( InputSourceInit( p_input, &p_input->input,
638                          p_input->input.p_item->psz_uri, NULL, b_quick ) )
639     {
640         goto error;
641     }
642
643     /* Create global title (from master) */
644     if( !b_quick )
645     {
646         p_input->i_title = p_input->input.i_title;
647         p_input->title   = p_input->input.title;
648         p_input->i_title_offset = p_input->input.i_title_offset;
649         p_input->i_seekpoint_offset = p_input->input.i_seekpoint_offset;
650         if( p_input->i_title > 0 )
651         {
652             /* Setup variables */
653             input_ControlVarNavigation( p_input );
654             input_ControlVarTitle( p_input, 0 );
655         }
656
657         /* Global flag */
658         p_input->b_can_pace_control = p_input->input.b_can_pace_control;
659         p_input->b_can_pause        = p_input->input.b_can_pause;
660
661         /* Fix pts delay */
662         if( p_input->i_pts_delay <= 0 )
663             p_input->i_pts_delay = DEFAULT_PTS_DELAY;
664
665         /* If the desynchronisation requested by the user is < 0, we need to
666          * cache more data. */
667         var_Get( p_input, "audio-desync", &val );
668         if( val.i_int < 0 ) p_input->i_pts_delay -= (val.i_int * 1000);
669
670         /* Update cr_average depending on the caching */
671         p_input->input.i_cr_average *= (10 * p_input->i_pts_delay / 200000);
672         p_input->input.i_cr_average /= 10;
673         if( p_input->input.i_cr_average <= 0 ) p_input->input.i_cr_average = 1;
674     }
675
676     /* Load master infos */
677     /* Init length */
678     if( !demux2_Control( p_input->input.p_demux, DEMUX_GET_LENGTH,
679                          &val.i_time ) && val.i_time > 0 )
680     {
681         var_Change( p_input, "length", VLC_VAR_SETVALUE, &val, NULL );
682         UpdateItemLength( p_input, val.i_time, b_quick );
683         p_input->input.p_item->i_duration = val.i_time;
684     }
685
686     /* Start title/chapter */
687     if( !b_quick )
688     {
689         val.i_int = p_input->input.i_title_start -
690                     p_input->input.i_title_offset;
691         if( val.i_int > 0 && val.i_int < p_input->input.i_title )
692             input_ControlPush( p_input, INPUT_CONTROL_SET_TITLE, &val );
693         val.i_int = p_input->input.i_seekpoint_start -
694                     p_input->input.i_seekpoint_offset;
695         if( val.i_int > 0 /* TODO: check upper boundary */ )
696             input_ControlPush( p_input, INPUT_CONTROL_SET_SEEKPOINT, &val );
697
698         /* Start time*/
699         /* Set start time */
700         p_input->i_start = (int64_t)var_GetInteger( p_input, "start-time" ) *
701                            I64C(1000000);
702         p_input->i_stop  = (int64_t)var_GetInteger( p_input, "stop-time" ) *
703                            I64C(1000000);
704
705         if( p_input->i_start > 0 )
706         {
707             if( p_input->i_start >= val.i_time )
708             {
709                 msg_Warn( p_input, "invalid start-time ignored" );
710             }
711             else
712             {
713                 vlc_value_t s;
714
715                 msg_Dbg( p_input, "start-time: %ds",
716                                   (int)( p_input->i_start / I64C(1000000) ) );
717
718                 s.i_time = p_input->i_start;
719                 input_ControlPush( p_input, INPUT_CONTROL_SET_TIME, &s );
720             }
721         }
722         if( p_input->i_stop > 0 && p_input->i_stop <= p_input->i_start )
723         {
724             msg_Warn( p_input, "invalid stop-time ignored" );
725             p_input->i_stop = 0;
726         }
727
728
729         /* Load subtitles */
730         /* Get fps and set it if not already set */
731         if( !demux2_Control( p_input->input.p_demux, DEMUX_GET_FPS, &f_fps ) &&
732             f_fps > 1.0 )
733         {
734             float f_requested_fps;
735
736             var_Create( p_input, "sub-original-fps", VLC_VAR_FLOAT );
737             var_SetFloat( p_input, "sub-original-fps", f_fps );
738
739             f_requested_fps = var_CreateGetFloat( p_input, "sub-fps" );
740             if( f_requested_fps != f_fps )
741             {
742                 var_Create( p_input, "sub-fps", VLC_VAR_FLOAT|
743                                                 VLC_VAR_DOINHERIT );
744                 var_SetFloat( p_input, "sub-fps", f_requested_fps );
745             }
746         }
747
748         i_delay = var_CreateGetInteger( p_input, "sub-delay" );
749         if( i_delay != 0 )
750         {
751             var_SetTime( p_input, "spu-delay", (mtime_t)i_delay * 100000 );
752         }
753
754
755         /* Look for and add subtitle files */
756         psz_subtitle = var_GetString( p_input, "sub-file" );
757         if( *psz_subtitle )
758         {
759             input_source_t *sub;
760             vlc_value_t count;
761             vlc_value_t list;
762
763             msg_Dbg( p_input, "forced subtitle: %s", psz_subtitle );
764
765             var_Change( p_input, "spu-es", VLC_VAR_CHOICESCOUNT, &count, NULL );
766
767             /* */
768             sub = InputSourceNew( p_input );
769             if( !InputSourceInit( p_input, sub, psz_subtitle, "subtitle",
770                                   VLC_FALSE ) )
771             {
772                 TAB_APPEND( p_input->i_slave, p_input->slave, sub );
773
774                 /* Select the ES */
775                 if( !var_Change( p_input, "spu-es", VLC_VAR_GETLIST, &list,
776                                  NULL ) )
777                 {
778                     if( count.i_int == 0 )
779                         count.i_int++;
780                         /* if it was first one, there is disable too */
781
782                     if( count.i_int < list.p_list->i_count )
783                     {
784                         input_ControlPush( p_input, INPUT_CONTROL_SET_ES,
785                                           &list.p_list->p_values[count.i_int] );
786                     }
787                     var_Change( p_input, "spu-es", VLC_VAR_FREELIST, &list,
788                                 NULL );
789                 }
790             }
791         }
792
793         var_Get( p_input, "sub-autodetect-file", &val );
794         if( val.b_bool )
795         {
796            char *psz_autopath = var_GetString( p_input, "sub-autodetect-path" );
797             char **subs = subtitles_Detect( p_input, psz_autopath,
798                                             p_input->input.p_item->psz_uri );
799             input_source_t *sub;
800
801             for( i = 0; subs[i] != NULL; i++ )
802             {
803                 if( strcmp( psz_subtitle, subs[i] ) )
804                 {
805                     sub = InputSourceNew( p_input );
806                     if( !InputSourceInit( p_input, sub, subs[i], "subtitle",
807                                           VLC_FALSE ) )
808                     {
809                          TAB_APPEND( p_input->i_slave, p_input->slave, sub );
810                     }
811                 }
812                 free( subs[i] );
813             }
814             free( subs );
815             free( psz_autopath );
816         }
817         free( psz_subtitle );
818
819         /* Look for slave */
820         psz = var_GetString( p_input, "input-slave" );
821         if( *psz )
822         {
823             char *psz_delim;
824             input_source_t *slave;
825             while( psz && *psz )
826             {
827                 while( *psz == ' ' || *psz == '#' )
828                 {
829                     psz++;
830                 }
831                 if( ( psz_delim = strchr( psz, '#' ) ) )
832                 {
833                     *psz_delim++ = '\0';
834                 }
835                 if( *psz == 0 )
836                 {
837                     break;
838                 }
839
840                 msg_Dbg( p_input, "adding slave '%s'", psz );
841                 slave = InputSourceNew( p_input );
842                 if( !InputSourceInit( p_input, slave, psz, NULL, VLC_FALSE ) )
843                 {
844                     TAB_APPEND( p_input->i_slave, p_input->slave, slave );
845                 }
846                 psz = psz_delim;
847             }
848         }
849         if( psz ) free( psz );
850     }
851     else
852     {
853         p_input->i_start = 0;
854         p_input->i_start = 0;
855     }
856
857     /* Set up es_out */
858     if( !b_quick )
859     {
860         es_out_Control( p_input->p_es_out, ES_OUT_SET_ACTIVE, VLC_TRUE );
861         i_es_out_mode = ES_OUT_MODE_AUTO;
862         val.p_list = NULL;
863         if( p_input->p_sout )
864         {
865             var_Get( p_input, "sout-all", &val );
866             if ( val.b_bool )
867             {
868                 i_es_out_mode = ES_OUT_MODE_ALL;
869                 val.p_list = NULL;
870             }
871             else
872             {
873                 var_Get( p_input, "programs", &val );
874                 if ( val.p_list && val.p_list->i_count )
875                 {
876                     i_es_out_mode = ES_OUT_MODE_PARTIAL;
877                     /* Note : we should remove the "program" callback. */
878                 }
879                 else
880                     var_Change( p_input, "programs", VLC_VAR_FREELIST, &val,
881                                 NULL );
882             }
883         }
884         es_out_Control( p_input->p_es_out, ES_OUT_SET_MODE, i_es_out_mode );
885
886         /* Inform the demuxer about waited group (needed only for DVB) */
887         if( i_es_out_mode == ES_OUT_MODE_ALL )
888         {
889             demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP, -1, NULL );
890         }
891         else if( i_es_out_mode == ES_OUT_MODE_PARTIAL )
892         {
893             demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP, -1,
894                             val.p_list );
895         }
896         else
897         {
898             demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP,
899                            (int) var_GetInteger( p_input, "program" ), NULL );
900         }
901
902         if( p_input->p_sout )
903         {
904             if( p_input->p_sout->i_out_pace_nocontrol > 0 )
905             {
906                 p_input->b_out_pace_control = VLC_FALSE;
907             }
908             else
909             {
910                 p_input->b_out_pace_control = VLC_TRUE;
911             }
912             msg_Dbg( p_input, "starting in %s mode",
913                      p_input->b_out_pace_control ? "asynch" : "synch" );
914         }
915     }
916
917     /* Get meta data from users */
918     p_meta_tmp = InputMetaUser( p_input );
919
920     /* Get meta data from master input */
921     if( demux2_Control( p_input->input.p_demux, DEMUX_GET_META, &p_meta ) )
922         p_meta = NULL;
923
924     /* Merge them */
925     if( p_meta == NULL )
926     {
927         p_meta = p_meta_tmp;
928     }
929     else if( p_meta_tmp )
930     {
931         vlc_meta_Merge( p_meta, p_meta_tmp );
932         vlc_meta_Delete( p_meta_tmp );
933     }
934
935     /* Access_file does not give any meta, and there are no slave */
936     if( !b_quick )
937     {
938         if( !p_input->input.p_access ||
939             access2_Control( p_input->input.p_access, ACCESS_GET_META,
940                              &p_meta_tmp))
941             p_meta_tmp = NULL;
942
943         if( p_meta == NULL )
944         {
945             p_meta = p_meta_tmp;
946         }
947         else if( p_meta_tmp )
948         {
949             vlc_meta_Merge( p_meta, p_meta_tmp );
950             vlc_meta_Delete( p_meta_tmp );
951         }
952
953         /* Get meta data from slave input */
954         for( i = 0; i < p_input->i_slave; i++ )
955         {
956             vlc_meta_t *p_meta_slave;
957
958             if( !demux2_Control( p_input->slave[i]->p_demux,
959                                  DEMUX_GET_META, &p_meta_slave ) )
960             {
961                 if( p_meta == NULL )
962                 {
963                     p_meta = p_meta_slave;
964                 }
965                 else if( p_meta_slave )
966                 {
967                     vlc_meta_Merge( p_meta, p_meta_slave );
968                     vlc_meta_Delete( p_meta_slave );
969                 }
970             }
971
972             if( p_input->slave[i]->p_access &&
973                 !access2_Control( p_input->slave[i]->p_access,
974                                   ACCESS_GET_META, &p_meta_slave ) )
975             {
976                 if( p_meta == NULL )
977                 {
978                     p_meta = p_meta_slave;
979                 }
980                 else if( p_meta_slave )
981                 {
982                     vlc_meta_Merge( p_meta, p_meta_slave );
983                     vlc_meta_Delete( p_meta_slave );
984                 }
985             }
986         }
987     }
988
989     p_input->p_meta = p_meta;
990     UpdateMeta( p_input, b_quick );
991
992     if( !b_quick )
993     {
994         msg_Dbg( p_input, "`%s' sucessfully opened",
995                  p_input->input.p_item->psz_uri );
996
997     }
998
999     /* Trigger intf update for this item */
1000     /* Playlist has a callback on this variable and will forward
1001      * it to intf */
1002     var_SetInteger( p_input, "item-change", p_input->input.p_item->i_id );
1003
1004     /* initialization is complete */
1005     p_input->i_state = PLAYING_S;
1006
1007     val.i_int = PLAYING_S;
1008     var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1009
1010     return VLC_SUCCESS;
1011
1012 error:
1013     if( p_input->p_es_out )
1014         input_EsOutDelete( p_input->p_es_out );
1015
1016     if( p_input->p_sout )
1017         sout_DeleteInstance( p_input->p_sout );
1018
1019     /* Mark them deleted */
1020     p_input->input.p_demux = NULL;
1021     p_input->input.p_stream = NULL;
1022     p_input->input.p_access = NULL;
1023     p_input->p_es_out = NULL;
1024     p_input->p_sout = NULL;
1025
1026     return VLC_EGENERIC;
1027 }
1028
1029 /*****************************************************************************
1030  * Error: RunThread() error loop
1031  *****************************************************************************
1032  * This function is called when an error occurred during thread main's loop.
1033  *****************************************************************************/
1034 static void Error( input_thread_t *p_input )
1035 {
1036     while( !p_input->b_die )
1037     {
1038         /* Sleep a while */
1039         msleep( INPUT_IDLE_SLEEP );
1040     }
1041 }
1042
1043 /*****************************************************************************
1044  * End: end the input thread
1045  *****************************************************************************/
1046 static void End( input_thread_t * p_input )
1047 {
1048     vlc_value_t val;
1049     int i;
1050
1051     msg_Dbg( p_input, "closing input" );
1052
1053     /* We are at the end */
1054     p_input->i_state = END_S;
1055
1056     val.i_int = END_S;
1057     var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1058
1059     /* Clean control variables */
1060     input_ControlVarClean( p_input );
1061
1062     /* Clean up master */
1063     InputSourceClean( p_input, &p_input->input );
1064
1065     /* Delete slave */
1066     for( i = 0; i < p_input->i_slave; i++ )
1067     {
1068         InputSourceClean( p_input, p_input->slave[i] );
1069         free( p_input->slave[i] );
1070     }
1071     if( p_input->slave ) free( p_input->slave );
1072
1073     /* Unload all modules */
1074     if( p_input->p_es_out )
1075         input_EsOutDelete( p_input->p_es_out );
1076
1077     /* Close optional stream output instance */
1078     if( p_input->p_sout )
1079     {
1080         vlc_object_t *p_pl =
1081             vlc_object_find( p_input, VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
1082         vlc_value_t keep;
1083
1084         if( var_Get( p_input, "sout-keep", &keep ) >= 0 && keep.b_bool && p_pl )
1085         {
1086             /* attach sout to the playlist */
1087             msg_Warn( p_input, "keeping sout" );
1088             vlc_object_detach( p_input->p_sout );
1089             vlc_object_attach( p_input->p_sout, p_pl );
1090         }
1091         else
1092         {
1093             msg_Warn( p_input, "destroying sout" );
1094             sout_DeleteInstance( p_input->p_sout );
1095         }
1096         if( p_pl )
1097             vlc_object_release( p_pl );
1098     }
1099
1100     /* Delete meta */
1101     if( p_input->p_meta )
1102         vlc_meta_Delete( p_input->p_meta );
1103
1104     /* Tell we're dead */
1105     p_input->b_dead = VLC_TRUE;
1106 }
1107
1108 /*****************************************************************************
1109  * Control
1110  *****************************************************************************/
1111 static inline int ControlPopNoLock( input_thread_t *p_input,
1112                                     int *pi_type, vlc_value_t *p_val )
1113 {
1114     if( p_input->i_control <= 0 )
1115     {
1116         return VLC_EGENERIC;
1117     }
1118
1119     *pi_type = p_input->control[0].i_type;
1120     *p_val   = p_input->control[0].val;
1121
1122     p_input->i_control--;
1123     if( p_input->i_control > 0 )
1124     {
1125         int i;
1126
1127         for( i = 0; i < p_input->i_control; i++ )
1128         {
1129             p_input->control[i].i_type = p_input->control[i+1].i_type;
1130             p_input->control[i].val    = p_input->control[i+1].val;
1131         }
1132     }
1133
1134     return VLC_SUCCESS;
1135 }
1136
1137 static void ControlReduce( input_thread_t *p_input )
1138 {
1139     int i;
1140     for( i = 1; i < p_input->i_control; i++ )
1141     {
1142         const int i_lt = p_input->control[i-1].i_type;
1143         const int i_ct = p_input->control[i].i_type;
1144
1145         /* XXX We can't merge INPUT_CONTROL_SET_ES */
1146         msg_Dbg( p_input, "[%d/%d] l=%d c=%d", i, p_input->i_control,
1147                  i_lt, i_ct );
1148         if( i_lt == i_ct &&
1149             ( i_ct == INPUT_CONTROL_SET_STATE ||
1150               i_ct == INPUT_CONTROL_SET_RATE ||
1151               i_ct == INPUT_CONTROL_SET_POSITION ||
1152               i_ct == INPUT_CONTROL_SET_TIME ||
1153               i_ct == INPUT_CONTROL_SET_PROGRAM ||
1154               i_ct == INPUT_CONTROL_SET_TITLE ||
1155               i_ct == INPUT_CONTROL_SET_SEEKPOINT ||
1156               i_ct == INPUT_CONTROL_SET_BOOKMARK ) )
1157         {
1158             int j;
1159             msg_Dbg( p_input, "merged at %d", i );
1160             /* Remove the i-1 */
1161             for( j = i; j <  p_input->i_control; j++ )
1162                 p_input->control[j-1] = p_input->control[j];
1163             p_input->i_control--;
1164         }
1165         else
1166         {
1167             /* TODO but that's not that important
1168                 - merge SET_X with SET_X_CMD
1169                 - remove SET_SEEKPOINT/SET_POSITION/SET_TIME before a SET_TITLE
1170                 - remove SET_SEEKPOINT/SET_POSITION/SET_TIME before another among them
1171                 - ?
1172                 */
1173         }
1174     }
1175 }
1176
1177 static vlc_bool_t Control( input_thread_t *p_input, int i_type,
1178                            vlc_value_t val )
1179 {
1180     vlc_bool_t b_force_update = VLC_FALSE;
1181
1182     switch( i_type )
1183     {
1184         case INPUT_CONTROL_SET_DIE:
1185             msg_Dbg( p_input, "control: INPUT_CONTROL_SET_DIE proceed" );
1186             /* Mark all submodules to die */
1187             if( p_input->input.p_access )
1188                 p_input->input.p_access->b_die = VLC_TRUE;
1189             if( p_input->input.p_stream )
1190                 p_input->input.p_stream->b_die = VLC_TRUE;
1191             p_input->input.p_demux->b_die = VLC_TRUE;
1192
1193             p_input->b_die = VLC_TRUE;
1194             break;
1195
1196         case INPUT_CONTROL_SET_POSITION:
1197         case INPUT_CONTROL_SET_POSITION_OFFSET:
1198         {
1199             double f_pos;
1200             if( i_type == INPUT_CONTROL_SET_POSITION )
1201             {
1202                 f_pos = val.f_float;
1203             }
1204             else
1205             {
1206                 /* Should not fail */
1207                 demux2_Control( p_input->input.p_demux,
1208                                 DEMUX_GET_POSITION, &f_pos );
1209                 f_pos += val.f_float;
1210             }
1211             if( f_pos < 0.0 ) f_pos = 0.0;
1212             if( f_pos > 1.0 ) f_pos = 1.0;
1213             if( demux2_Control( p_input->input.p_demux, DEMUX_SET_POSITION,
1214                                 f_pos ) )
1215             {
1216                 msg_Err( p_input, "INPUT_CONTROL_SET_POSITION(_OFFSET) "
1217                          "%2.1f%% failed", f_pos * 100 );
1218             }
1219             else
1220             {
1221                 if( p_input->i_slave > 0 )
1222                     SlaveSeek( p_input );
1223
1224                 input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1225                 es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1226                 b_force_update = VLC_TRUE;
1227             }
1228             break;
1229         }
1230
1231         case INPUT_CONTROL_SET_TIME:
1232         case INPUT_CONTROL_SET_TIME_OFFSET:
1233         {
1234             int64_t i_time;
1235             int i_ret;
1236
1237             if( i_type == INPUT_CONTROL_SET_TIME )
1238             {
1239                 i_time = val.i_time;
1240             }
1241             else
1242             {
1243                 /* Should not fail */
1244                 demux2_Control( p_input->input.p_demux,
1245                                 DEMUX_GET_TIME, &i_time );
1246                 i_time += val.i_time;
1247             }
1248             if( i_time < 0 ) i_time = 0;
1249             i_ret = demux2_Control( p_input->input.p_demux,
1250                                     DEMUX_SET_TIME, i_time );
1251             if( i_ret )
1252             {
1253                 int64_t i_length;
1254                 /* Emulate it with a SET_POS */
1255
1256                 demux2_Control( p_input->input.p_demux,
1257                                 DEMUX_GET_LENGTH, &i_length );
1258                 if( i_length > 0 )
1259                 {
1260                     double f_pos = (double)i_time / (double)i_length;
1261                     i_ret = demux2_Control( p_input->input.p_demux,
1262                                             DEMUX_SET_POSITION, f_pos );
1263                 }
1264             }
1265             if( i_ret )
1266             {
1267                 msg_Err( p_input, "INPUT_CONTROL_SET_TIME(_OFFSET) "I64Fd
1268                          " failed", i_time );
1269             }
1270             else
1271             {
1272                 if( p_input->i_slave > 0 )
1273                     SlaveSeek( p_input );
1274
1275                 input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1276
1277                 es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1278                 b_force_update = VLC_TRUE;
1279             }
1280             break;
1281         }
1282
1283         case INPUT_CONTROL_SET_STATE:
1284             if( ( val.i_int == PLAYING_S && p_input->i_state == PAUSE_S ) ||
1285                 ( val.i_int == PAUSE_S && p_input->i_state == PAUSE_S ) )
1286             {
1287                 int i_ret;
1288                 if( p_input->input.p_access )
1289                     i_ret = access2_Control( p_input->input.p_access,
1290                                              ACCESS_SET_PAUSE_STATE, VLC_FALSE );
1291                 else
1292                     i_ret = demux2_Control( p_input->input.p_demux,
1293                                             DEMUX_SET_PAUSE_STATE, VLC_FALSE );
1294
1295                 if( i_ret )
1296                 {
1297                     /* FIXME What to do ? */
1298                     msg_Warn( p_input, "cannot unset pause -> EOF" );
1299                     vlc_mutex_unlock( &p_input->lock_control );
1300                     input_ControlPush( p_input, INPUT_CONTROL_SET_DIE, NULL );
1301                     vlc_mutex_lock( &p_input->lock_control );
1302                 }
1303
1304                 b_force_update = VLC_TRUE;
1305
1306                 /* Switch to play */
1307                 p_input->i_state = PLAYING_S;
1308                 val.i_int = PLAYING_S;
1309                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1310
1311                 /* Reset clock */
1312                 es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1313             }
1314             else if( val.i_int == PAUSE_S && p_input->i_state == PLAYING_S &&
1315                      p_input->b_can_pause )
1316             {
1317                 int i_ret;
1318                 if( p_input->input.p_access )
1319                     i_ret = access2_Control( p_input->input.p_access,
1320                                              ACCESS_SET_PAUSE_STATE, VLC_TRUE );
1321                 else
1322                     i_ret = demux2_Control( p_input->input.p_demux,
1323                                             DEMUX_SET_PAUSE_STATE, VLC_TRUE );
1324
1325                 b_force_update = VLC_TRUE;
1326
1327                 if( i_ret )
1328                 {
1329                     msg_Warn( p_input, "cannot set pause state" );
1330                     val.i_int = p_input->i_state;
1331                 }
1332                 else
1333                 {
1334                     val.i_int = PAUSE_S;
1335                 }
1336
1337                 /* Switch to new state */
1338                 p_input->i_state = val.i_int;
1339                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1340             }
1341             else if( val.i_int == PAUSE_S && !p_input->b_can_pause )
1342             {
1343                 b_force_update = VLC_TRUE;
1344
1345                 /* Correct "state" value */
1346                 val.i_int = p_input->i_state;
1347                 var_Change( p_input, "state", VLC_VAR_SETVALUE, &val, NULL );
1348             }
1349             else if( val.i_int != PLAYING_S && val.i_int != PAUSE_S )
1350             {
1351                 msg_Err( p_input, "invalid state in INPUT_CONTROL_SET_STATE" );
1352             }
1353             break;
1354
1355         case INPUT_CONTROL_SET_RATE:
1356         case INPUT_CONTROL_SET_RATE_SLOWER:
1357         case INPUT_CONTROL_SET_RATE_FASTER:
1358         {
1359             int i_rate;
1360
1361             if( i_type == INPUT_CONTROL_SET_RATE_SLOWER )
1362                 i_rate = p_input->i_rate * 2;
1363             else if( i_type == INPUT_CONTROL_SET_RATE_FASTER )
1364                 i_rate = p_input->i_rate / 2;
1365             else
1366                 i_rate = val.i_int;
1367
1368             if( i_rate < INPUT_RATE_MIN )
1369             {
1370                 msg_Dbg( p_input, "cannot set rate faster" );
1371                 i_rate = INPUT_RATE_MIN;
1372             }
1373             else if( i_rate > INPUT_RATE_MAX )
1374             {
1375                 msg_Dbg( p_input, "cannot set rate slower" );
1376                 i_rate = INPUT_RATE_MAX;
1377             }
1378             if( i_rate != INPUT_RATE_DEFAULT &&
1379                 ( !p_input->b_can_pace_control ||
1380                   ( p_input->p_sout && !p_input->b_out_pace_control ) ) )
1381             {
1382                 msg_Dbg( p_input, "cannot change rate" );
1383                 i_rate = INPUT_RATE_DEFAULT;
1384             }
1385             if( i_rate != p_input->i_rate )
1386             {
1387                 p_input->i_rate  = i_rate;
1388                 val.i_int = i_rate;
1389                 var_Change( p_input, "rate", VLC_VAR_SETVALUE, &val, NULL );
1390
1391                 /* We haven't send data to decoder when rate != default */
1392                 if( i_rate == INPUT_RATE_DEFAULT )
1393                     input_EsOutDiscontinuity( p_input->p_es_out, VLC_TRUE );
1394
1395                 /* Reset clock */
1396                 es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1397
1398                 b_force_update = VLC_TRUE;
1399             }
1400             break;
1401         }
1402
1403         case INPUT_CONTROL_SET_PROGRAM:
1404             /* No need to force update, es_out does it if needed */
1405             es_out_Control( p_input->p_es_out,
1406                             ES_OUT_SET_GROUP, val.i_int );
1407
1408             demux2_Control( p_input->input.p_demux, DEMUX_SET_GROUP, val.i_int,
1409                             NULL );
1410             break;
1411
1412         case INPUT_CONTROL_SET_ES:
1413             /* No need to force update, es_out does it if needed */
1414             es_out_Control( p_input->p_es_out, ES_OUT_SET_ES,
1415                             input_EsOutGetFromID( p_input->p_es_out,
1416                                                   val.i_int ) );
1417             break;
1418
1419         case INPUT_CONTROL_SET_AUDIO_DELAY:
1420             input_EsOutSetDelay( p_input->p_es_out,
1421                                  AUDIO_ES, val.i_time );
1422             var_Change( p_input, "audio-delay", VLC_VAR_SETVALUE, &val, NULL );
1423             break;
1424
1425         case INPUT_CONTROL_SET_SPU_DELAY:
1426             input_EsOutSetDelay( p_input->p_es_out,
1427                                  SPU_ES, val.i_time );
1428             var_Change( p_input, "spu-delay", VLC_VAR_SETVALUE, &val, NULL );
1429             break;
1430
1431         case INPUT_CONTROL_SET_TITLE:
1432         case INPUT_CONTROL_SET_TITLE_NEXT:
1433         case INPUT_CONTROL_SET_TITLE_PREV:
1434             if( p_input->input.b_title_demux &&
1435                 p_input->input.i_title > 0 )
1436             {
1437                 /* TODO */
1438                 /* FIXME handle demux title */
1439                 demux_t *p_demux = p_input->input.p_demux;
1440                 int i_title;
1441
1442                 if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1443                     i_title = p_demux->info.i_title - 1;
1444                 else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1445                     i_title = p_demux->info.i_title + 1;
1446                 else
1447                     i_title = val.i_int;
1448
1449                 if( i_title >= 0 && i_title < p_input->input.i_title )
1450                 {
1451                     demux2_Control( p_demux, DEMUX_SET_TITLE, i_title );
1452
1453                     input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1454                     es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1455
1456                     input_ControlVarTitle( p_input, i_title );
1457                 }
1458             }
1459             else if( p_input->input.i_title > 0 )
1460             {
1461                 access_t *p_access = p_input->input.p_access;
1462                 int i_title;
1463
1464                 if( i_type == INPUT_CONTROL_SET_TITLE_PREV )
1465                     i_title = p_access->info.i_title - 1;
1466                 else if( i_type == INPUT_CONTROL_SET_TITLE_NEXT )
1467                     i_title = p_access->info.i_title + 1;
1468                 else
1469                     i_title = val.i_int;
1470
1471                 if( i_title >= 0 && i_title < p_input->input.i_title )
1472                 {
1473                     access2_Control( p_access, ACCESS_SET_TITLE, i_title );
1474                     stream_AccessReset( p_input->input.p_stream );
1475
1476                     input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1477                     es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1478                 }
1479             }
1480             break;
1481         case INPUT_CONTROL_SET_SEEKPOINT:
1482         case INPUT_CONTROL_SET_SEEKPOINT_NEXT:
1483         case INPUT_CONTROL_SET_SEEKPOINT_PREV:
1484             if( p_input->input.b_title_demux &&
1485                 p_input->input.i_title > 0 )
1486             {
1487                 demux_t *p_demux = p_input->input.p_demux;
1488                 int i_seekpoint;
1489
1490                 if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1491                     i_seekpoint = p_demux->info.i_seekpoint - 1;
1492                 else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT )
1493                     i_seekpoint = p_demux->info.i_seekpoint + 1;
1494                 else
1495                     i_seekpoint = val.i_int;
1496
1497                 if( i_seekpoint >= 0 && i_seekpoint <
1498                     p_input->input.title[p_demux->info.i_title]->i_seekpoint )
1499                 {
1500                     demux2_Control( p_demux, DEMUX_SET_SEEKPOINT, i_seekpoint );
1501
1502                     input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1503                     es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1504                 }
1505             }
1506             else if( p_input->input.i_title > 0 )
1507             {
1508                 access_t *p_access = p_input->input.p_access;
1509                 int i_seekpoint;
1510
1511                 if( i_type == INPUT_CONTROL_SET_SEEKPOINT_PREV )
1512                     i_seekpoint = p_access->info.i_seekpoint - 1;
1513                 else if( i_type == INPUT_CONTROL_SET_SEEKPOINT_NEXT ) 
1514                     i_seekpoint = p_access->info.i_seekpoint + 1;
1515                 else
1516                     i_seekpoint = val.i_int;
1517
1518                 if( i_seekpoint >= 0 && i_seekpoint <
1519                     p_input->input.title[p_access->info.i_title]->i_seekpoint )
1520                 {
1521                     access2_Control( p_access, ACCESS_SET_SEEKPOINT, i_seekpoint );
1522                     stream_AccessReset( p_input->input.p_stream );
1523
1524                     input_EsOutDiscontinuity( p_input->p_es_out, VLC_FALSE );
1525                     es_out_Control( p_input->p_es_out, ES_OUT_RESET_PCR );
1526                 }
1527             }
1528             break;
1529
1530         case INPUT_CONTROL_ADD_SLAVE:
1531             if( val.psz_string )
1532             {
1533                 input_source_t *slave = InputSourceNew( p_input );
1534
1535                 if( !InputSourceInit( p_input, slave, val.psz_string, NULL,
1536                                       VLC_FALSE ) )
1537                 {
1538                     vlc_meta_t *p_meta_new = NULL;
1539                     vlc_meta_t *p_meta;
1540                     int64_t i_time;
1541
1542                     /* Add the slave */
1543                     msg_Dbg( p_input, "adding %s as slave on the fly",
1544                              val.psz_string );
1545
1546                     /* Set position */
1547                     if( demux2_Control( p_input->input.p_demux,
1548                                         DEMUX_GET_TIME, &i_time ) )
1549                     {
1550                         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
1551                         InputSourceClean( p_input, slave );
1552                         free( slave );
1553                         break;
1554                     }
1555                     if( demux2_Control( slave->p_demux,
1556                                         DEMUX_SET_TIME, i_time ) )
1557                     {
1558                         msg_Err( p_input, "seek failed for new slave" );
1559                         InputSourceClean( p_input, slave );
1560                         free( slave );
1561                         break;
1562                     }
1563
1564
1565                     /* Get meta (access and demux) */
1566                     if( access2_Control( slave->p_access,
1567                                           ACCESS_GET_META, &p_meta_new ) )
1568                         p_meta_new = NULL;
1569                     if( !demux2_Control( slave->p_demux,
1570                                          DEMUX_GET_META, &p_meta ) )
1571                     {
1572                         if( p_meta_new )
1573                         {
1574                             vlc_meta_Merge( p_meta_new, p_meta );
1575                             vlc_meta_Delete( p_meta );
1576                         }
1577                         else
1578                         {
1579                             p_meta_new = p_meta;
1580                         }
1581                     }
1582                     /* Update meta */
1583                     if( p_meta_new )
1584                     {
1585                         if( p_input->p_meta )
1586                         {
1587                             vlc_meta_Merge( p_input->p_meta, p_meta_new );
1588                             vlc_meta_Delete( p_meta_new );
1589                         }
1590                         else
1591                         {
1592                             p_input->p_meta = p_meta_new;
1593                         }
1594                         UpdateMeta( p_input, VLC_FALSE );
1595                     }
1596
1597                     TAB_APPEND( p_input->i_slave, p_input->slave, slave );
1598                 }
1599                 else
1600                 {
1601                     msg_Warn( p_input, "failed to add %s as slave",
1602                               val.psz_string );
1603                 }
1604
1605                 free( val.psz_string );
1606             }
1607             break;
1608
1609         case INPUT_CONTROL_SET_BOOKMARK:
1610         default:
1611             msg_Err( p_input, "not yet implemented" );
1612             break;
1613     }
1614
1615     return b_force_update;
1616 }
1617
1618 /*****************************************************************************
1619  * UpdateFromDemux:
1620  *****************************************************************************/
1621 static int UpdateFromDemux( input_thread_t *p_input )
1622 {
1623     demux_t *p_demux = p_input->input.p_demux;
1624     vlc_value_t v;
1625
1626     if( p_demux->info.i_update & INPUT_UPDATE_TITLE )
1627     {
1628         v.i_int = p_demux->info.i_title;
1629         var_Change( p_input, "title", VLC_VAR_SETVALUE, &v, NULL );
1630
1631         input_ControlVarTitle( p_input, p_demux->info.i_title );
1632
1633         p_demux->info.i_update &= ~INPUT_UPDATE_TITLE;
1634     }
1635     if( p_demux->info.i_update & INPUT_UPDATE_SEEKPOINT )
1636     {
1637         v.i_int = p_demux->info.i_seekpoint;
1638         var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &v, NULL);
1639
1640         p_demux->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
1641     }
1642     p_demux->info.i_update &= ~INPUT_UPDATE_SIZE;
1643
1644     /* Hmmm only works with master input */
1645     if( p_input->input.p_demux == p_demux )
1646     {
1647         int i_title_end = p_input->input.i_title_end -
1648             p_input->input.i_title_offset;
1649         int i_seekpoint_end = p_input->input.i_seekpoint_end -
1650             p_input->input.i_seekpoint_offset;
1651
1652         if( i_title_end >= 0 && i_seekpoint_end >= 0 )
1653         {
1654             if( p_demux->info.i_title > i_title_end ||
1655                 ( p_demux->info.i_title == i_title_end &&
1656                   p_demux->info.i_seekpoint > i_seekpoint_end ) ) return 0;
1657         }
1658         else if( i_seekpoint_end >=0 )
1659         {
1660             if( p_demux->info.i_seekpoint > i_seekpoint_end ) return 0;
1661         }
1662         else if( i_title_end >= 0 )
1663         {
1664             if( p_demux->info.i_title > i_title_end ) return 0;
1665         }
1666     }
1667
1668     return 1;
1669 }
1670
1671 /*****************************************************************************
1672  * UpdateFromAccess:
1673  *****************************************************************************/
1674 static int UpdateFromAccess( input_thread_t *p_input )
1675 {
1676     access_t *p_access = p_input->input.p_access;
1677     vlc_value_t v;
1678
1679     if( p_access->info.i_update & INPUT_UPDATE_TITLE )
1680     {
1681         v.i_int = p_access->info.i_title;
1682         var_Change( p_input, "title", VLC_VAR_SETVALUE, &v, NULL );
1683
1684         input_ControlVarTitle( p_input, p_access->info.i_title );
1685
1686         stream_AccessUpdate( p_input->input.p_stream );
1687
1688         p_access->info.i_update &= ~INPUT_UPDATE_TITLE;
1689     }
1690     if( p_access->info.i_update & INPUT_UPDATE_SEEKPOINT )
1691     {
1692         v.i_int = p_access->info.i_seekpoint;
1693         var_Change( p_input, "chapter", VLC_VAR_SETVALUE, &v, NULL);
1694
1695         p_access->info.i_update &= ~INPUT_UPDATE_SEEKPOINT;
1696     }
1697     if( p_access->info.i_update & INPUT_UPDATE_META )
1698     {
1699         /* TODO maybe multi - access ? */
1700         vlc_meta_t *p_meta;
1701         if( !access2_Control( p_input->input.p_access,ACCESS_GET_META,&p_meta))
1702         {
1703             if( p_input->p_meta )
1704             {
1705                 vlc_meta_Merge( p_input->p_meta, p_meta );
1706                 vlc_meta_Delete( p_meta );
1707             }
1708             else
1709             {
1710                 p_input->p_meta = p_meta;
1711             }
1712
1713             UpdateMeta( p_input, VLC_FALSE );
1714             var_SetBool( p_input, "item-change", p_input->input.p_item->i_id );
1715         }
1716         p_access->info.i_update &= ~INPUT_UPDATE_META;
1717     }
1718
1719     p_access->info.i_update &= ~INPUT_UPDATE_SIZE;
1720
1721     /* Hmmm only works with master input */
1722     if( p_input->input.p_access == p_access )
1723     {
1724         int i_title_end = p_input->input.i_title_end -
1725             p_input->input.i_title_offset;
1726         int i_seekpoint_end = p_input->input.i_seekpoint_end -
1727             p_input->input.i_seekpoint_offset;
1728
1729         if( i_title_end >= 0 && i_seekpoint_end >=0 )
1730         {
1731             if( p_access->info.i_title > i_title_end ||
1732                 ( p_access->info.i_title == i_title_end &&
1733                   p_access->info.i_seekpoint > i_seekpoint_end ) ) return 0;
1734         }
1735         else if( i_seekpoint_end >=0 )
1736         {
1737             if( p_access->info.i_seekpoint > i_seekpoint_end ) return 0;
1738         }
1739         else if( i_title_end >= 0 )
1740         {
1741             if( p_access->info.i_title > i_title_end ) return 0;
1742         }
1743     }
1744
1745     return 1;
1746 }
1747
1748 /*****************************************************************************
1749  * UpdateMeta:
1750  *****************************************************************************/
1751 static int  UpdateMeta( input_thread_t *p_input, vlc_bool_t b_quick )
1752 {
1753     vlc_meta_t *p_meta = p_input->p_meta;
1754     int i;
1755
1756     if( !p_meta || p_meta->i_meta == 0 )
1757         return VLC_SUCCESS;
1758
1759     if( !b_quick ) msg_Dbg( p_input, "meta information:" );
1760     for( i = 0; i < p_meta->i_meta; i++ )
1761     {
1762         if( !b_quick )
1763             msg_Dbg( p_input, "  - '%s' = '%s'",
1764                      _(p_meta->name[i]), p_meta->value[i] );
1765
1766         if( !strcmp(p_meta->name[i], VLC_META_TITLE) && p_meta->value[i] &&
1767             !p_input->input.p_item->b_fixed_name )
1768             input_Control( p_input, INPUT_SET_NAME, p_meta->value[i] );
1769
1770         if( !strcmp( p_meta->name[i], VLC_META_AUTHOR ) )
1771             input_Control( p_input, INPUT_ADD_INFO, _("General"),
1772                            _("Author"), p_meta->value[i] );
1773
1774         input_Control( p_input, INPUT_ADD_INFO, _("Meta-information"),
1775                       _(p_meta->name[i]), "%s", p_meta->value[i] );
1776     }
1777
1778     for( i = 0; i < p_meta->i_track; i++ )
1779     {
1780         vlc_meta_t *tk = p_meta->track[i];
1781         int j;
1782
1783         if( tk->i_meta > 0 )
1784         {
1785             char *psz_cat = malloc( strlen(_("Stream")) + 10 );
1786
1787             msg_Dbg( p_input, "  - track[%d]:", i );
1788
1789             sprintf( psz_cat, "%s %d", _("Stream"), i );
1790             for( j = 0; j < tk->i_meta; j++ )
1791             {
1792                 msg_Dbg( p_input, "     - '%s' = '%s'", _(tk->name[j]),
1793                          tk->value[j] );
1794
1795                 input_Control( p_input, INPUT_ADD_INFO, psz_cat,
1796                                _(tk->name[j]), "%s", tk->value[j] );
1797             }
1798         }
1799     }
1800
1801     if( p_input->p_sout && p_input->p_sout->p_meta == NULL )
1802     {
1803         p_input->p_sout->p_meta = vlc_meta_Duplicate( p_meta );
1804     }
1805
1806     return VLC_SUCCESS;
1807 }
1808
1809 /*****************************************************************************
1810  * UpdateItemLength:
1811  *****************************************************************************/
1812 static void UpdateItemLength( input_thread_t *p_input, int64_t i_length,
1813                               vlc_bool_t b_quick )
1814 {
1815     playlist_t *p_playlist;
1816     char psz_buffer[MSTRTIME_MAX_SIZE];
1817
1818     vlc_mutex_lock( &p_input->input.p_item->lock );
1819     p_input->input.p_item->i_duration = i_length;
1820     vlc_mutex_unlock( &p_input->input.p_item->lock );
1821
1822         p_playlist = vlc_object_find( p_input, VLC_OBJECT_PLAYLIST,
1823                                                FIND_PARENT);
1824     if( p_playlist )
1825     {
1826         var_SetInteger( p_playlist, "item-change",
1827                         p_input->input.p_item->i_id );
1828         vlc_object_release( p_playlist );
1829     }
1830
1831     input_Control( p_input, INPUT_ADD_INFO, _("General"), _("Duration"),
1832                    msecstotimestr( psz_buffer, i_length / 1000 ) );
1833 }
1834
1835 /*****************************************************************************
1836  * InputSourceNew:
1837  *****************************************************************************/
1838 static input_source_t *InputSourceNew( input_thread_t *p_input )
1839 {
1840     input_source_t *in = malloc( sizeof( input_source_t ) );
1841
1842     in->p_item   = NULL;
1843     in->p_access = NULL;
1844     in->p_stream = NULL;
1845     in->p_demux  = NULL;
1846     in->b_title_demux = VLC_FALSE;
1847     in->i_title  = 0;
1848     in->title    = NULL;
1849     in->b_can_pace_control = VLC_TRUE;
1850     in->b_eof = VLC_FALSE;
1851     in->i_cr_average = 0;
1852
1853     return in;
1854 }
1855
1856 /*****************************************************************************
1857  * InputSourceInit:
1858  *****************************************************************************/
1859 static int InputSourceInit( input_thread_t *p_input,
1860                             input_source_t *in, char *psz_mrl,
1861                             char *psz_forced_demux, vlc_bool_t b_quick )
1862 {
1863     char *psz_dup = strdup( psz_mrl );
1864     char *psz_access;
1865     char *psz_demux;
1866     char *psz_path;
1867     vlc_value_t val;
1868
1869     /* Split uri */
1870     if( !b_quick )
1871     {
1872         MRLSplit( p_input, psz_dup, &psz_access, &psz_demux, &psz_path );
1873
1874         msg_Dbg( p_input, "`%s' gives access `%s' demux `%s' path `%s'",
1875                  psz_mrl, psz_access, psz_demux, psz_path );
1876
1877         /* Hack to allow udp://@:port syntax */
1878         if( !psz_access ||
1879             (strncmp( psz_access, "udp", 3 ) &&
1880              strncmp( psz_access, "rtp", 3 )) )
1881
1882         /* Find optional titles and seekpoints */
1883         MRLSections( p_input, psz_path, &in->i_title_start, &in->i_title_end,
1884                      &in->i_seekpoint_start, &in->i_seekpoint_end );
1885
1886         if( psz_forced_demux && *psz_forced_demux )
1887             psz_demux = psz_forced_demux;
1888
1889         /* Try access_demux if no demux given */
1890         if( *psz_demux == '\0' )
1891         {
1892             in->p_demux = demux2_New( p_input, psz_access, psz_demux, psz_path,
1893                                       NULL, p_input->p_es_out, VLC_FALSE );
1894         }
1895     }
1896     else
1897     {
1898         psz_path = psz_mrl;
1899         msg_Dbg( p_input, "trying to preparse %s",  psz_path );
1900         psz_demux = strdup( "" );
1901         psz_access = strdup( "file" );
1902     }
1903
1904     if( in->p_demux )
1905     {
1906         int64_t i_pts_delay;
1907
1908         /* Get infos from access_demux */
1909         demux2_Control( in->p_demux,
1910                         DEMUX_GET_PTS_DELAY, &i_pts_delay );
1911         p_input->i_pts_delay = __MAX( p_input->i_pts_delay, i_pts_delay );
1912
1913         in->b_title_demux = VLC_TRUE;
1914         if( demux2_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
1915                             &in->title, &in->i_title,
1916                             &in->i_title_offset, &in->i_seekpoint_offset ) )
1917         {
1918             in->i_title = 0;
1919             in->title   = NULL;
1920         }
1921         demux2_Control( in->p_demux, DEMUX_CAN_CONTROL_PACE,
1922                         &in->b_can_pace_control );
1923         demux2_Control( in->p_demux, DEMUX_CAN_PAUSE,
1924                         &in->b_can_pause );
1925
1926         /* FIXME todo
1927         demux2_Control( in->p_demux, DEMUX_CAN_SEEK,
1928                         &val.b_bool );
1929         */
1930     }
1931     else
1932     {
1933         int64_t i_pts_delay;
1934
1935         /* Now try a real access */
1936         in->p_access = access2_New( p_input, psz_access, psz_demux, psz_path,
1937                                     b_quick );
1938
1939         /* Access failed, URL encoded ? */
1940         if( in->p_access == NULL && strchr( psz_path, '%' ) )
1941         {
1942             DecodeUrl( psz_path );
1943
1944             msg_Dbg( p_input, "retrying with access `%s' demux `%s' path `%s'",
1945                      psz_access, psz_demux, psz_path );
1946
1947             in->p_access = access2_New( p_input,
1948                                         psz_access, psz_demux, psz_path,
1949                                         b_quick );
1950         }
1951 #ifndef WIN32      /* Remove this gross hack from the win32 build as colons
1952                         * are forbidden in filenames on Win32. */
1953
1954         /* Maybe we got something like: /Volumes/toto:titi/gabu.mpg */
1955         if( in->p_access == NULL &&
1956             *psz_access == '\0' && ( *psz_demux || *psz_path ) )
1957         {
1958             free( psz_dup );
1959             psz_dup = strdup( psz_mrl );
1960             psz_access = "";
1961             psz_demux = "";
1962             psz_path = psz_dup;
1963
1964             in->p_access = access2_New( p_input,
1965                                         psz_access, psz_demux, psz_path,
1966                                         b_quick );
1967         }
1968 #endif
1969
1970         if( in->p_access == NULL )
1971         {
1972             msg_Err( p_input, "no suitable access module for `%s'", psz_mrl );
1973             goto error;
1974         }
1975
1976         /* Get infos from access */
1977         if( !b_quick )
1978         {
1979             access2_Control( in->p_access,
1980                              ACCESS_GET_PTS_DELAY, &i_pts_delay );
1981             p_input->i_pts_delay = __MAX( p_input->i_pts_delay, i_pts_delay );
1982
1983             in->b_title_demux = VLC_FALSE;
1984             if( access2_Control( in->p_access, ACCESS_GET_TITLE_INFO,
1985                                  &in->title, &in->i_title,
1986                                 &in->i_title_offset, &in->i_seekpoint_offset ) )
1987
1988             {
1989                 in->i_title = 0;
1990                 in->title   = NULL;
1991             }
1992             access2_Control( in->p_access, ACCESS_CAN_CONTROL_PACE,
1993                              &in->b_can_pace_control );
1994             access2_Control( in->p_access, ACCESS_CAN_PAUSE,
1995                              &in->b_can_pause );
1996             access2_Control( in->p_access, ACCESS_CAN_SEEK,
1997                              &val.b_bool );
1998             var_Set( p_input, "seekable", val );
1999         }
2000
2001         /* Create the stream_t */
2002         in->p_stream = stream_AccessNew( in->p_access, b_quick );
2003         if( in->p_stream == NULL )
2004         {
2005             msg_Warn( p_input, "cannot create a stream_t from access" );
2006             goto error;
2007         }
2008
2009         /* Open a demuxer */
2010         if( *psz_demux == '\0' && *in->p_access->psz_demux )
2011         {
2012             psz_demux = in->p_access->psz_demux;
2013         }
2014         in->p_demux = demux2_New( p_input, psz_access, psz_demux, psz_path,
2015                                   in->p_stream, p_input->p_es_out, b_quick );
2016         if( in->p_demux == NULL )
2017         {
2018             msg_Err( p_input, "no suitable demux module for `%s/%s://%s'",
2019                      psz_access, psz_demux, psz_path );
2020             goto error;
2021         }
2022
2023         /* TODO get title from demux */
2024         if( !b_quick && in->i_title <= 0 )
2025         {
2026             if( demux2_Control( in->p_demux, DEMUX_GET_TITLE_INFO,
2027                                 &in->title, &in->i_title,
2028                                 &in->i_title_offset, &in->i_seekpoint_offset ))
2029             {
2030                 in->i_title = 0;
2031                 in->title   = NULL;
2032             }
2033             else
2034             {
2035                 in->b_title_demux = VLC_TRUE;
2036             }
2037         }
2038     }
2039
2040     if( var_GetInteger( p_input, "clock-synchro" ) != -1 )
2041         in->b_can_pace_control = !var_GetInteger( p_input, "clock-synchro" );
2042
2043     free( psz_dup );
2044     return VLC_SUCCESS;
2045
2046 error:
2047     if( in->p_demux )
2048         demux2_Delete( in->p_demux );
2049
2050     if( in->p_stream )
2051         stream_AccessDelete( in->p_stream );
2052
2053     if( in->p_access )
2054         access2_Delete( in->p_access );
2055     free( psz_dup );
2056
2057     return VLC_EGENERIC;
2058 }
2059
2060 /*****************************************************************************
2061  * InputSourceClean:
2062  *****************************************************************************/
2063 static void InputSourceClean( input_thread_t *p_input, input_source_t *in )
2064 {
2065     if( in->p_demux )
2066         demux2_Delete( in->p_demux );
2067
2068     if( in->p_stream )
2069         stream_AccessDelete( in->p_stream );
2070
2071     if( in->p_access )
2072         access2_Delete( in->p_access );
2073
2074     if( in->i_title > 0 )
2075     {
2076         int i;
2077         for( i = 0; i < in->i_title; i++ )
2078         {
2079             vlc_input_title_Delete( in->title[i] );
2080         }
2081         free( in->title );
2082     }
2083 }
2084
2085 static void SlaveDemux( input_thread_t *p_input )
2086 {
2087     int64_t i_time;
2088     int i;
2089     if( demux2_Control( p_input->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2090     {
2091         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2092         return;
2093     }
2094
2095     for( i = 0; i < p_input->i_slave; i++ )
2096     {
2097         input_source_t *in = p_input->slave[i];
2098         int i_ret = 1;
2099
2100         if( in->b_eof )
2101             continue;
2102
2103         if( demux2_Control( in->p_demux, DEMUX_SET_NEXT_DEMUX_TIME, i_time ) )
2104         {
2105             for( ;; )
2106             {
2107                 int64_t i_stime;
2108                 if( demux2_Control( in->p_demux, DEMUX_GET_TIME, &i_stime ) )
2109                 {
2110                     msg_Err( p_input, "slave[%d] doesn't like "
2111                              "DEMUX_GET_TIME -> EOF", i );
2112                     i_ret = 0;
2113                     break;
2114                 }
2115
2116                 if( i_stime >= i_time )
2117                     break;
2118
2119                 if( ( i_ret = in->p_demux->pf_demux( in->p_demux ) ) <= 0 )
2120                     break;
2121             }
2122         }
2123         else
2124         {
2125             i_ret = in->p_demux->pf_demux( in->p_demux );
2126         }
2127
2128         if( i_ret <= 0 )
2129         {
2130             msg_Dbg( p_input, "slave %d EOF", i );
2131             in->b_eof = VLC_TRUE;
2132         }
2133     }
2134 }
2135
2136 static void SlaveSeek( input_thread_t *p_input )
2137 {
2138     int64_t i_time;
2139     int i;
2140
2141     if( demux2_Control( p_input->input.p_demux, DEMUX_GET_TIME, &i_time ) )
2142     {
2143         msg_Err( p_input, "demux doesn't like DEMUX_GET_TIME" );
2144         return;
2145     }
2146
2147     for( i = 0; i < p_input->i_slave; i++ )
2148     {
2149         input_source_t *in = p_input->slave[i];
2150
2151         if( demux2_Control( in->p_demux, DEMUX_SET_TIME, i_time ) )
2152         {
2153             msg_Err( p_input, "seek failed for slave %d -> EOF", i );
2154             in->b_eof = VLC_TRUE;
2155         }
2156     }
2157 }
2158 /*****************************************************************************
2159  * InputMetaUser:
2160  *****************************************************************************/
2161 static vlc_meta_t *InputMetaUser( input_thread_t *p_input )
2162 {
2163     vlc_meta_t *p_meta;
2164     vlc_value_t val;
2165
2166     if( ( p_meta = vlc_meta_New() ) == NULL )
2167         return NULL;
2168
2169     /* Get meta information from user */
2170 #define GET_META( c, s ) \
2171     var_Get( p_input, (s), &val );  \
2172     if( *val.psz_string )       \
2173         vlc_meta_Add( p_meta, c, val.psz_string ); \
2174     free( val.psz_string )
2175
2176     GET_META( VLC_META_TITLE, "meta-title" );
2177     GET_META( VLC_META_AUTHOR, "meta-author" );
2178     GET_META( VLC_META_ARTIST, "meta-artist" );
2179     GET_META( VLC_META_GENRE, "meta-genre" );
2180     GET_META( VLC_META_COPYRIGHT, "meta-copyright" );
2181     GET_META( VLC_META_DESCRIPTION, "meta-description" );
2182     GET_META( VLC_META_DATE, "meta-date" );
2183     GET_META( VLC_META_URL, "meta-url" );
2184 #undef GET_META
2185
2186     return p_meta;
2187 }
2188
2189 /*****************************************************************************
2190  * DecodeUrl: decode a given encoded url
2191  *****************************************************************************/
2192 static void DecodeUrl( char *psz )
2193 {
2194     char *dup = strdup( psz );
2195     char *p = dup;
2196
2197     while( *p )
2198     {
2199         if( *p == '%' )
2200         {
2201             char val[3];
2202             p++;
2203             if( !*p )
2204             {
2205                 break;
2206             }
2207
2208             val[0] = *p++;
2209             val[1] = *p++;
2210             val[2] = '\0';
2211
2212             *psz++ = strtol( val, NULL, 16 );
2213         }
2214         else if( *p == '+' )
2215         {
2216             *psz++ = ' ';
2217             p++;
2218         }
2219         else
2220         {
2221             *psz++ = *p++;
2222         }
2223     }
2224     *psz++  ='\0';
2225     free( dup );
2226 }
2227
2228 /*****************************************************************************
2229  * ParseOption: parses the options for the input
2230  *****************************************************************************
2231  * This function parses the input (config) options and creates their associated
2232  * object variables.
2233  * Options are of the form "[no[-]]foo[=bar]" where foo is the option name and
2234  * bar is the value of the option.
2235  *****************************************************************************/
2236 static void ParseOption( input_thread_t *p_input, const char *psz_option )
2237 {
2238     char *psz_name = (char *)psz_option;
2239     char *psz_value = strchr( psz_option, '=' );
2240     int  i_name_len, i_type;
2241     vlc_bool_t b_isno = VLC_FALSE;
2242     vlc_value_t val;
2243
2244     if( psz_value ) i_name_len = psz_value - psz_option;
2245     else i_name_len = strlen( psz_option );
2246
2247     /* It's too much of an hassle to remove the ':' when we parse
2248      * the cmd line :) */
2249     if( i_name_len && *psz_name == ':' )
2250     {
2251         psz_name++;
2252         i_name_len--;
2253     }
2254
2255     if( i_name_len == 0 ) return;
2256
2257     psz_name = strndup( psz_name, i_name_len );
2258     if( psz_value ) psz_value++;
2259
2260     i_type = config_GetType( p_input, psz_name );
2261
2262     if( !i_type && !psz_value )
2263     {
2264         /* check for "no-foo" or "nofoo" */
2265         if( !strncmp( psz_name, "no-", 3 ) )
2266         {
2267             memmove( psz_name, psz_name + 3, strlen(psz_name) + 1 - 3 );
2268         }
2269         else if( !strncmp( psz_name, "no", 2 ) )
2270         {
2271             memmove( psz_name, psz_name + 2, strlen(psz_name) + 1 - 2 );
2272         }
2273         else goto cleanup;           /* Option doesn't exist */
2274
2275         b_isno = VLC_TRUE;
2276         i_type = config_GetType( p_input, psz_name );
2277
2278         if( !i_type ) goto cleanup;  /* Option doesn't exist */
2279     }
2280     else if( !i_type ) goto cleanup; /* Option doesn't exist */
2281
2282     if( ( i_type != VLC_VAR_BOOL ) &&
2283         ( !psz_value || !*psz_value ) ) goto cleanup; /* Invalid value */
2284
2285     /* Create the variable in the input object.
2286      * Children of the input object will be able to retreive this value
2287      * thanks to the inheritance property of the object variables. */
2288     var_Create( p_input, psz_name, i_type );
2289
2290     switch( i_type )
2291     {
2292     case VLC_VAR_BOOL:
2293         val.b_bool = !b_isno;
2294         break;
2295
2296     case VLC_VAR_INTEGER:
2297         val.i_int = atoi( psz_value );
2298         break;
2299
2300     case VLC_VAR_FLOAT:
2301         val.f_float = atof( psz_value );
2302         break;
2303
2304     case VLC_VAR_STRING:
2305     case VLC_VAR_MODULE:
2306     case VLC_VAR_FILE:
2307     case VLC_VAR_DIRECTORY:
2308         val.psz_string = psz_value;
2309         break;
2310
2311     default:
2312         goto cleanup;
2313         break;
2314     }
2315
2316     var_Set( p_input, psz_name, val );
2317
2318     msg_Dbg( p_input, "set input option: %s to %s", psz_name,
2319              psz_value ? psz_value : ( val.b_bool ? "true" : "false") );
2320
2321   cleanup:
2322     if( psz_name ) free( psz_name );
2323     return;
2324 }
2325
2326 /*****************************************************************************
2327  * MRLSplit: parse the access, demux and url part of the
2328  *           Media Resource Locator.
2329  *****************************************************************************/
2330 static void MRLSplit( input_thread_t *p_input, char *psz_dup,
2331                       char **ppsz_access, char **ppsz_demux, char **ppsz_path )
2332 {
2333     char *psz_access = NULL;
2334     char *psz_demux  = NULL;
2335     char *psz_path   = NULL;
2336     char *psz, *psz_check;
2337
2338     psz = strchr( psz_dup, ':' );
2339
2340     /* '@' not allowed in access/demux part */
2341     psz_check = strchr( psz_dup, '@' );
2342     if( psz_check && psz_check < psz ) psz = 0;
2343
2344 #if defined( WIN32 ) || defined( UNDER_CE )
2345     if( psz - psz_dup == 1 )
2346     {
2347         msg_Warn( p_input, "drive letter %c: found in source", *psz_dup );
2348         psz_path = psz_dup;
2349     }
2350     else
2351 #endif
2352
2353     if( psz )
2354     {
2355         *psz++ = '\0';
2356         if( psz[0] == '/' && psz[1] == '/' ) psz += 2;
2357
2358         psz_path = psz;
2359
2360         psz = strchr( psz_dup, '/' );
2361         if( psz )
2362         {
2363             *psz++ = '\0';
2364             psz_demux = psz;
2365         }
2366
2367         psz_access = psz_dup;
2368     }
2369     else
2370     {
2371         psz_path = psz_dup;
2372     }
2373
2374     if( !psz_access ) *ppsz_access = "";
2375     else *ppsz_access = psz_access;
2376
2377     if( !psz_demux ) *ppsz_demux = "";
2378     else *ppsz_demux = psz_demux;
2379
2380     if( !psz_path ) *ppsz_path = "";
2381     else *ppsz_path = psz_path;
2382 }
2383
2384 /*****************************************************************************
2385  * MRLSections: parse title and seekpoint info from the Media Resource Locator.
2386  *
2387  * Syntax:
2388  * [url][@[title-start][:chapter-start][-[title-end][:chapter-end]]]
2389  *****************************************************************************/
2390 static void MRLSections( input_thread_t *p_input, char *psz_source,
2391                          int *pi_title_start, int *pi_title_end,
2392                          int *pi_chapter_start, int *pi_chapter_end )
2393 {
2394     char *psz, *psz_end, *psz_next, *psz_check;
2395
2396     *pi_title_start = *pi_title_end = -1;
2397     *pi_chapter_start = *pi_chapter_end = -1;
2398
2399     /* Start by parsing titles and chapters */
2400     if( !psz_source || !( psz = strrchr( psz_source, '@' ) ) ) return;
2401
2402     /* Check we are really dealing with a title/chapter section */
2403     psz_check = psz + 1;
2404     if( !*psz_check ) return;
2405     if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2406     if( *psz_check != ':' && *psz_check != '-' && *psz_check ) return;
2407     if( *psz_check == ':' && ++psz_check )
2408         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2409     if( *psz_check != '-' && *psz_check ) return;
2410     if( *psz_check == '-' && ++psz_check )
2411         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2412     if( *psz_check != ':' && *psz_check ) return;
2413     if( *psz_check == ':' && ++psz_check )
2414         if( isdigit(*psz_check) ) strtol( psz_check, &psz_check, 0 );
2415     if( *psz_check ) return;
2416
2417     /* Separate start and end */
2418     *psz++ = 0;
2419     if( ( psz_end = strchr( psz, '-' ) ) ) *psz_end++ = 0;
2420
2421     /* Look for the start title */
2422     *pi_title_start = strtol( psz, &psz_next, 0 );
2423     if( !*pi_title_start && psz == psz_next ) *pi_title_start = -1;
2424     *pi_title_end = *pi_title_start;
2425     psz = psz_next;
2426
2427     /* Look for the start chapter */
2428     if( *psz ) psz++;
2429     *pi_chapter_start = strtol( psz, &psz_next, 0 );
2430     if( !*pi_chapter_start && psz == psz_next ) *pi_chapter_start = -1;
2431     *pi_chapter_end = *pi_chapter_start;
2432
2433     if( psz_end )
2434     {
2435         /* Look for the end title */
2436         *pi_title_end = strtol( psz_end, &psz_next, 0 );
2437         if( !*pi_title_end && psz_end == psz_next ) *pi_title_end = -1;
2438         psz_end = psz_next;
2439
2440         /* Look for the end chapter */
2441         if( *psz_end ) psz_end++;
2442         *pi_chapter_end = strtol( psz_end, &psz_next, 0 );
2443         if( !*pi_chapter_end && psz_end == psz_next ) *pi_chapter_end = -1;
2444     }
2445
2446     msg_Dbg( p_input, "source=`%s' title=%d/%d seekpoint=%d/%d",
2447              psz_source, *pi_title_start, *pi_chapter_start,
2448              *pi_title_end, *pi_chapter_end );
2449 }
2450
2451
2452 /***********************************************************************
2453  * Info management functions
2454  ***********************************************************************/
2455 char *vlc_input_item_GetInfo( input_item_t *p_i,
2456                               const char *psz_cat,
2457                               const char *psz_name )
2458 {
2459     int i,j;
2460
2461     vlc_mutex_lock( &p_i->lock );
2462
2463     for( i = 0 ; i< p_i->i_categories  ; i++ )
2464     {
2465         info_category_t *p_cat = p_i->pp_categories[i];
2466
2467         if( !psz_cat || strcmp( p_cat->psz_name, psz_cat ) )
2468             continue;
2469
2470         for( j = 0; j < p_cat->i_infos ; j++ )
2471         {
2472             if( !strcmp( p_cat->pp_infos[j]->psz_name, psz_name ) )
2473             {
2474                 vlc_mutex_unlock( &p_i->lock );
2475                 return strdup( p_cat->pp_infos[j]->psz_value );
2476             }
2477         }
2478     }
2479     vlc_mutex_unlock( &p_i->lock );
2480     return strdup( "" );
2481 }
2482
2483 int vlc_input_item_AddInfo( input_item_t *p_i,
2484                             const char *psz_cat,
2485                             const char *psz_name,
2486                             const char *psz_format, ... )
2487 {
2488     va_list args;
2489     int i;
2490     info_t *p_info = NULL;
2491     info_category_t *p_cat = NULL ;
2492
2493     vlc_mutex_lock( &p_i->lock );
2494
2495     for( i = 0 ; i < p_i->i_categories ; i ++ )
2496     {
2497         if( !strcmp( p_i->pp_categories[i]->psz_name, psz_cat ) )
2498         {
2499             p_cat = p_i->pp_categories[i];
2500             break;
2501         }
2502     }
2503     if( !p_cat )
2504     {
2505         if( ( p_cat = (info_category_t *)malloc(
2506                                      sizeof( info_category_t ) ) )  == NULL )
2507         {
2508             vlc_mutex_unlock( &p_i->lock );
2509             return VLC_EGENERIC;
2510         }
2511         p_cat->psz_name = strdup( psz_cat );
2512         p_cat->i_infos = 0;
2513         p_cat->pp_infos = 0;
2514         INSERT_ELEM( p_i->pp_categories, p_i->i_categories, p_i->i_categories,
2515                      p_cat );
2516     }
2517
2518     for( i = 0; i< p_cat->i_infos; i++ )
2519     {
2520         if( !strcmp( p_cat->pp_infos[i]->psz_name, psz_name ) )
2521         {
2522             p_info = p_cat->pp_infos[i];
2523             break;
2524         }
2525     }
2526
2527     if( !p_info )
2528     {
2529         if( ( p_info = (info_t *)malloc( sizeof( info_t ) ) ) == NULL )
2530         {
2531             vlc_mutex_unlock( &p_i->lock );
2532             return VLC_EGENERIC;
2533         }
2534         INSERT_ELEM( p_cat->pp_infos, p_cat->i_infos, p_cat->i_infos, p_info );
2535         p_info->psz_name = strdup( psz_name );
2536     }
2537     else
2538     {
2539         if( p_info->psz_value ) free( p_info->psz_value );
2540     }
2541
2542     va_start( args, psz_format );
2543     vasprintf( &p_info->psz_value, psz_format, args);
2544     va_end( args );
2545
2546     vlc_mutex_unlock( &p_i->lock );
2547
2548     return VLC_SUCCESS;
2549 }
2550