VLM: cleanup VLM threading
[vlc.git] / src / input / vlm.c
1 /*****************************************************************************
2  * vlm.c: VLM interface plugin
3  *****************************************************************************
4  * Copyright (C) 2000-2005 the VideoLAN team
5  * $Id$
6  *
7  * Authors: Simon Latapie <garf@videolan.org>
8  *          Laurent Aimar <fenrir@videolan.org>
9  *          Gildas Bazin <gbazin@videolan.org>
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation; either version 2 of the License, or
14  * (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software
23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24  *****************************************************************************/
25
26 /*****************************************************************************
27  * Preamble
28  *****************************************************************************/
29 #ifdef HAVE_CONFIG_H
30 # include "config.h"
31 #endif
32
33 #include <vlc_common.h>
34
35 #include <stdio.h>
36 #include <ctype.h>                                              /* tolower() */
37 #include <assert.h>
38
39 #include <vlc_vlm.h>
40
41 #ifndef WIN32
42 #   include <sys/time.h>                                   /* gettimeofday() */
43 #endif
44
45 #ifdef HAVE_TIME_H
46 #   include <time.h>                                              /* ctime() */
47 #   include <sys/timeb.h>                                         /* ftime() */
48 #endif
49
50 #include <vlc_input.h>
51 #include "input_internal.h"
52 #include <vlc_stream.h>
53 #include "vlm_internal.h"
54 #include <vlc_vod.h>
55 #include <vlc_charset.h>
56 #include <vlc_sout.h>
57 #include "../stream_output/stream_output.h"
58 #include "../libvlc.h"
59
60 /*****************************************************************************
61  * Local prototypes.
62  *****************************************************************************/
63
64 static void vlm_Destructor( vlm_t *p_vlm );
65 static void* Manage( void * );
66 static int vlm_MediaVodControl( void *, vod_media_t *, const char *, int, va_list );
67
68 /*****************************************************************************
69  * vlm_New:
70  *****************************************************************************/
71 vlm_t *__vlm_New ( vlc_object_t *p_this )
72 {
73     vlc_value_t lockval;
74     vlm_t *p_vlm = NULL, **pp_vlm = &(libvlc_priv (p_this->p_libvlc)->p_vlm);
75     char *psz_vlmconf;
76     static const char vlm_object_name[] = "vlm daemon";
77
78     /* Avoid multiple creation */
79     if( var_Create( p_this->p_libvlc, "vlm_mutex", VLC_VAR_MUTEX ) ||
80         var_Get( p_this->p_libvlc, "vlm_mutex", &lockval ) )
81         return NULL;
82
83     vlc_mutex_lock( lockval.p_address );
84
85     p_vlm = *pp_vlm;
86     if( p_vlm )
87     {   /* VLM already exists */
88         vlc_object_yield( p_vlm );
89         vlc_mutex_unlock( lockval.p_address );
90         return p_vlm;
91     }
92
93     msg_Dbg( p_this, "creating VLM" );
94
95     p_vlm = vlc_custom_create( p_this, sizeof( *p_vlm ), VLC_OBJECT_GENERIC,
96                                vlm_object_name );
97     if( !p_vlm )
98     {
99         vlc_mutex_unlock( lockval.p_address );
100         return NULL;
101     }
102
103     vlc_mutex_init( &p_vlm->lock );
104     p_vlm->i_id = 1;
105     TAB_INIT( p_vlm->i_media, p_vlm->media );
106     TAB_INIT( p_vlm->i_schedule, p_vlm->schedule );
107     p_vlm->i_vod = 0;
108     p_vlm->p_vod = NULL;
109     vlc_object_attach( p_vlm, p_this->p_libvlc );
110
111     if( vlc_clone( &p_vlm->thread, Manage, p_vlm, VLC_THREAD_PRIORITY_LOW ) )
112     {
113         vlc_mutex_destroy( &p_vlm->lock );
114         vlc_object_release( p_vlm );
115         return NULL;
116     }
117
118     /* Load our configuration file */
119     psz_vlmconf = var_CreateGetString( p_vlm, "vlm-conf" );
120     if( psz_vlmconf && *psz_vlmconf )
121     {
122         vlm_message_t *p_message = NULL;
123         char *psz_buffer = NULL;
124
125         msg_Dbg( p_this, "loading VLM configuration" );
126         if( asprintf(&psz_buffer, "load %s", psz_vlmconf ) != -1 )
127         {
128             msg_Dbg( p_this, "%s", psz_buffer );
129             if( vlm_ExecuteCommand( p_vlm, psz_buffer, &p_message ) )
130                 msg_Warn( p_this, "error while loading the configuration file" );
131
132             vlm_MessageDelete( p_message );
133             free( psz_buffer );
134         }
135     }
136     free( psz_vlmconf );
137
138     vlc_object_set_destructor( p_vlm, (vlc_destructor_t)vlm_Destructor );
139     *pp_vlm = p_vlm; /* for future reference */
140     vlc_mutex_unlock( lockval.p_address );
141
142     return p_vlm;
143 }
144
145 /*****************************************************************************
146  * vlm_Delete:
147  *****************************************************************************/
148 void vlm_Delete( vlm_t *p_vlm )
149 {
150     vlc_value_t lockval;
151
152     /* vlm_Delete() is serialized against itself, and against vlm_New().
153      * This way, vlm_Destructor () (called from vlc_objet_release() above)
154      * is serialized against setting libvlc_priv->p_vlm from vlm_New(). */
155     var_Get( p_vlm->p_libvlc, "vlm_mutex", &lockval );
156     vlc_mutex_lock( lockval.p_address );
157     vlc_object_release( p_vlm );
158     vlc_mutex_unlock( lockval.p_address );
159 }
160
161 /*****************************************************************************
162  * vlm_Destructor:
163  *****************************************************************************/
164 static void vlm_Destructor( vlm_t *p_vlm )
165 {
166     libvlc_priv (p_vlm->p_libvlc)->p_vlm = NULL;
167
168     vlm_ControlInternal( p_vlm, VLM_CLEAR_MEDIAS );
169     TAB_CLEAN( p_vlm->i_media, p_vlm->media );
170
171     vlm_ControlInternal( p_vlm, VLM_CLEAR_SCHEDULES );
172     TAB_CLEAN( p_vlm->schedule, p_vlm->schedule );
173
174     vlc_object_kill( p_vlm );
175     /*vlc_cancel( p_vlm->thread ); */
176     vlc_join( p_vlm->thread, NULL );
177     vlc_mutex_destroy( &p_vlm->lock );
178 }
179
180 /*****************************************************************************
181  * vlm_ExecuteCommand:
182  *****************************************************************************/
183 int vlm_ExecuteCommand( vlm_t *p_vlm, const char *psz_command,
184                         vlm_message_t **pp_message)
185 {
186     int i_result;
187
188     vlc_mutex_lock( &p_vlm->lock );
189     i_result = ExecuteCommand( p_vlm, psz_command, pp_message );
190     vlc_mutex_unlock( &p_vlm->lock );
191
192     return i_result;
193 }
194
195
196 int64_t vlm_Date(void)
197 {
198 #ifdef WIN32
199     struct timeb tm;
200     ftime( &tm );
201     return ((int64_t)tm.time) * 1000000 + ((int64_t)tm.millitm) * 1000;
202 #else
203     struct timeval tv_date;
204
205     /* gettimeofday() cannot fail given &tv_date is a valid address */
206     (void)gettimeofday( &tv_date, NULL );
207     return (mtime_t) tv_date.tv_sec * 1000000 + (mtime_t) tv_date.tv_usec;
208 #endif
209 }
210
211
212 /*****************************************************************************
213  *
214  *****************************************************************************/
215 static int vlm_MediaVodControl( void *p_private, vod_media_t *p_vod_media,
216                                 const char *psz_id, int i_query, va_list args )
217 {
218     vlm_t *vlm = (vlm_t *)p_private;
219     int i, i_ret;
220     const char *psz;
221     int64_t id;
222
223     if( !p_private || !p_vod_media )
224         return VLC_EGENERIC;
225
226     vlc_mutex_lock( &vlm->lock );
227
228     /* Find media id */
229     for( i = 0, id = -1; i < vlm->i_media; i++ )
230     {
231         if( p_vod_media == vlm->media[i]->vod.p_media )
232         {
233             id = vlm->media[i]->cfg.id;
234             break;
235         }
236     }
237     if( id == -1 )
238     {
239         vlc_mutex_unlock( &vlm->lock );
240         return VLC_EGENERIC;
241     }
242
243     switch( i_query )
244     {
245     case VOD_MEDIA_PLAY:
246         psz = (const char *)va_arg( args, const char * );
247         i_ret = vlm_ControlInternal( vlm, VLM_START_MEDIA_VOD_INSTANCE, id, psz_id, 0, psz );
248         break;
249
250     case VOD_MEDIA_PAUSE:
251         i_ret = vlm_ControlInternal( vlm, VLM_PAUSE_MEDIA_INSTANCE, id, psz_id );
252         break;
253
254     case VOD_MEDIA_STOP:
255         i_ret = vlm_ControlInternal( vlm, VLM_STOP_MEDIA_INSTANCE, id, psz_id );
256         break;
257
258     case VOD_MEDIA_SEEK:
259     {
260         double d_position = (double)va_arg( args, double );
261         i_ret = vlm_ControlInternal( vlm, VLM_SET_MEDIA_INSTANCE_POSITION, id, psz_id, d_position/100.0 );
262         break;
263     }
264
265     case VOD_MEDIA_REWIND:
266     {
267         double d_scale = (double)va_arg( args, double );
268         double d_position;
269
270         vlm_ControlInternal( vlm, VLM_GET_MEDIA_INSTANCE_POSITION, id, psz_id, &d_position );
271         d_position -= (d_scale / 1000.0);
272         if( d_position < 0.0 )
273             d_position = 0.0;
274         i_ret = vlm_ControlInternal( vlm, VLM_SET_MEDIA_INSTANCE_POSITION, id, psz_id, d_position );
275         break;
276     }
277
278     case VOD_MEDIA_FORWARD:
279     {
280         double d_scale = (double)va_arg( args, double );
281         double d_position;
282
283         vlm_ControlInternal( vlm, VLM_GET_MEDIA_INSTANCE_POSITION, id, psz_id, &d_position );
284         d_position += (d_scale / 1000.0);
285         if( d_position > 1.0 )
286             d_position = 1.0;
287         i_ret = vlm_ControlInternal( vlm, VLM_SET_MEDIA_INSTANCE_POSITION, id, psz_id, d_position );
288         break;
289     }
290
291     default:
292         i_ret = VLC_EGENERIC;
293         break;
294     }
295
296     vlc_mutex_unlock( &vlm->lock );
297
298     return i_ret;
299 }
300
301
302 /*****************************************************************************
303  * Manage:
304  *****************************************************************************/
305 static void* Manage( void* p_object )
306 {
307     vlm_t *vlm = (vlm_t*)p_object;
308     int i, j;
309     mtime_t i_lastcheck;
310     mtime_t i_time;
311
312     i_lastcheck = vlm_Date();
313
314     while( !vlm->b_die )
315     {
316         char **ppsz_scheduled_commands = NULL;
317         int    i_scheduled_commands = 0;
318
319         vlc_mutex_lock( &vlm->lock );
320
321         /* destroy the inputs that wants to die, and launch the next input */
322         for( i = 0; i < vlm->i_media; i++ )
323         {
324             vlm_media_sys_t *p_media = vlm->media[i];
325
326             for( j = 0; j < p_media->i_instance; )
327             {
328                 vlm_media_instance_sys_t *p_instance = p_media->instance[j];
329
330                 if( p_instance->p_input && ( p_instance->p_input->b_eof || p_instance->p_input->b_error ) )
331                 {
332                     int i_new_input_index;
333
334                     /* */
335                     i_new_input_index = p_instance->i_index + 1;
336                     if( !p_media->cfg.b_vod && p_media->cfg.broadcast.b_loop && i_new_input_index >= p_media->cfg.i_input )
337                         i_new_input_index = 0;
338
339                     /* FIXME implement multiple input with VOD */
340                     if( p_media->cfg.b_vod || i_new_input_index >= p_media->cfg.i_input )
341                         vlm_ControlInternal( vlm, VLM_STOP_MEDIA_INSTANCE, p_media->cfg.id, p_instance->psz_name );
342                     else
343                         vlm_ControlInternal( vlm, VLM_START_MEDIA_BROADCAST_INSTANCE, p_media->cfg.id, p_instance->psz_name, i_new_input_index );
344
345                     j = 0;
346                 }
347                 else
348                 {
349                     j++;
350                 }
351             }
352         }
353
354         /* scheduling */
355         i_time = vlm_Date();
356
357         for( i = 0; i < vlm->i_schedule; i++ )
358         {
359             mtime_t i_real_date = vlm->schedule[i]->i_date;
360
361             if( vlm->schedule[i]->b_enabled == true )
362             {
363                 if( vlm->schedule[i]->i_date == 0 ) // now !
364                 {
365                     vlm->schedule[i]->i_date = (i_time / 1000000) * 1000000 ;
366                     i_real_date = i_time;
367                 }
368                 else if( vlm->schedule[i]->i_period != 0 )
369                 {
370                     int j = 0;
371                     while( vlm->schedule[i]->i_date + j *
372                            vlm->schedule[i]->i_period <= i_lastcheck &&
373                            ( vlm->schedule[i]->i_repeat > j ||
374                              vlm->schedule[i]->i_repeat == -1 ) )
375                     {
376                         j++;
377                     }
378
379                     i_real_date = vlm->schedule[i]->i_date + j *
380                         vlm->schedule[i]->i_period;
381                 }
382
383                 if( i_real_date <= i_time && i_real_date > i_lastcheck )
384                 {
385                     for( j = 0; j < vlm->schedule[i]->i_command; j++ )
386                     {
387                         TAB_APPEND( i_scheduled_commands,
388                                     ppsz_scheduled_commands,
389                                     strdup(vlm->schedule[i]->command[j] ) );
390                     }
391                 }
392             }
393         }
394         while( i_scheduled_commands )
395         {
396             vlm_message_t *message = NULL;
397             char *psz_command = ppsz_scheduled_commands[0];
398             ExecuteCommand( vlm, psz_command,&message );
399
400             /* for now, drop the message */
401             vlm_MessageDelete( message );
402             TAB_REMOVE( i_scheduled_commands,
403                         ppsz_scheduled_commands,
404                         psz_command );
405             free( psz_command );
406         }
407
408         i_lastcheck = i_time;
409
410         vlc_mutex_unlock( &vlm->lock );
411
412         msleep( 100000 );
413     }
414
415     return NULL;
416 }
417
418 /* New API
419  */
420 /*
421 typedef struct
422 {
423     struct
424     {
425         int i_connection_count;
426         int i_connection_active;
427     } vod;
428     struct
429     {
430         int        i_count;
431         bool b_playing;
432         int        i_playing_index;
433     } broadcast;
434
435 } vlm_media_status_t;
436 */
437
438 /* */
439 static vlm_media_sys_t *vlm_ControlMediaGetById( vlm_t *p_vlm, int64_t id )
440 {
441     int i;
442
443     for( i = 0; i < p_vlm->i_media; i++ )
444     {
445         if( p_vlm->media[i]->cfg.id == id )
446             return p_vlm->media[i];
447     }
448     return NULL;
449 }
450 static vlm_media_sys_t *vlm_ControlMediaGetByName( vlm_t *p_vlm, const char *psz_name )
451 {
452     int i;
453
454     for( i = 0; i < p_vlm->i_media; i++ )
455     {
456         if( !strcmp( p_vlm->media[i]->cfg.psz_name, psz_name ) )
457             return p_vlm->media[i];
458     }
459     return NULL;
460 }
461 static int vlm_MediaDescriptionCheck( vlm_t *p_vlm, vlm_media_t *p_cfg )
462 {
463     int i;
464
465     if( !p_cfg || !p_cfg->psz_name ||
466         !strcmp( p_cfg->psz_name, "all" ) || !strcmp( p_cfg->psz_name, "media" ) || !strcmp( p_cfg->psz_name, "schedule" ) )
467         return VLC_EGENERIC;
468
469     for( i = 0; i < p_vlm->i_media; i++ )
470     {
471         if( p_vlm->media[i]->cfg.id == p_cfg->id )
472             continue;
473         if( !strcmp( p_vlm->media[i]->cfg.psz_name, p_cfg->psz_name ) )
474             return VLC_EGENERIC;
475     }
476     return VLC_SUCCESS;
477 }
478
479
480 /* Called after a media description is changed/added */
481 static int vlm_OnMediaUpdate( vlm_t *p_vlm, vlm_media_sys_t *p_media )
482 {
483     vlm_media_t *p_cfg = &p_media->cfg;
484     /* Check if we need to create/delete a vod media */
485     if( p_cfg->b_vod )
486     {
487         if( !p_cfg->b_enabled && p_media->vod.p_media )
488         {
489             p_vlm->p_vod->pf_media_del( p_vlm->p_vod, p_media->vod.p_media );
490             p_media->vod.p_media = NULL;
491         }
492         else if( p_cfg->b_enabled && !p_media->vod.p_media && p_cfg->i_input )
493         {
494             /* Pre-parse the input */
495             input_thread_t *p_input;
496             char *psz_output;
497             char *psz_header;
498             char *psz_dup;
499             int i;
500
501             vlc_gc_decref( p_media->vod.p_item );
502             p_media->vod.p_item = input_item_New( p_vlm, p_cfg->ppsz_input[0],
503                 p_cfg->psz_name );
504
505             if( p_cfg->psz_output )
506             {
507                 if( asprintf( &psz_output, "%s:description", p_cfg->psz_output )  == -1 )
508                     psz_output = NULL;
509             }
510             else
511                 psz_output = strdup( "#description" );
512
513             if( psz_output && asprintf( &psz_dup, "sout=%s", psz_output ) != -1 )
514             {
515                 input_item_AddOption( p_media->vod.p_item, psz_dup );
516                 free( psz_dup );
517             }
518             free( psz_output );
519
520             for( i = 0; i < p_cfg->i_option; i++ )
521                 input_item_AddOption( p_media->vod.p_item,
522                                      p_cfg->ppsz_option[i] );
523
524             if( asprintf( &psz_header, _("Media: %s"), p_cfg->psz_name ) == -1 )
525                 psz_header = NULL;
526
527             if( (p_input = input_CreateThreadExtended( p_vlm, p_media->vod.p_item, psz_header, NULL ) ) )
528             {
529                 while( !p_input->b_eof && !p_input->b_error )
530                     msleep( 100000 );
531
532                 input_StopThread( p_input );
533                 vlc_object_release( p_input );
534             }
535             free( psz_header );
536
537             if( p_cfg->vod.psz_mux )
538             {
539                 input_item_t item;
540                 es_format_t es, *p_es = &es;
541                 char fourcc[5];
542
543                 sprintf( fourcc, "%4.4s", p_cfg->vod.psz_mux );
544                 fourcc[0] = tolower(fourcc[0]); fourcc[1] = tolower(fourcc[1]);
545                 fourcc[2] = tolower(fourcc[2]); fourcc[3] = tolower(fourcc[3]);
546
547                 /* XXX: Don't do it that way, but properly use a new input item ref. */
548                 item = *p_media->vod.p_item;
549                 item.i_es = 1;
550                 item.es = &p_es;
551                 es_format_Init( &es, VIDEO_ES, *((int *)fourcc) );
552
553                 p_media->vod.p_media =
554                     p_vlm->p_vod->pf_media_new( p_vlm->p_vod, p_cfg->psz_name, &item );
555             }
556             else
557             {
558                 p_media->vod.p_media =
559                     p_vlm->p_vod->pf_media_new( p_vlm->p_vod, p_cfg->psz_name, p_media->vod.p_item );
560             }
561         }
562     }
563     else
564     {
565         /* TODO start media if needed */
566     }
567
568     /* TODO add support of var vlm_media_broadcast/vlm_media_vod */
569
570     return VLC_SUCCESS;
571 }
572 static int vlm_ControlMediaChange( vlm_t *p_vlm, vlm_media_t *p_cfg )
573 {
574     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, p_cfg->id );
575
576     /* */
577     if( !p_media || vlm_MediaDescriptionCheck( p_vlm, p_cfg ) )
578         return VLC_EGENERIC;
579     if( ( p_media->cfg.b_vod && !p_cfg->b_vod ) || ( !p_media->cfg.b_vod && p_cfg->b_vod ) )
580         return VLC_EGENERIC;
581
582     if( 0 )
583     {
584         /* TODO check what are the changes being done (stop instance if needed) */
585     }
586
587     vlm_media_Clean( &p_media->cfg );
588     vlm_media_Copy( &p_media->cfg, p_cfg );
589
590     return vlm_OnMediaUpdate( p_vlm, p_media );
591 }
592
593 static int vlm_ControlMediaAdd( vlm_t *p_vlm, vlm_media_t *p_cfg, int64_t *p_id )
594 {
595     vlm_media_sys_t *p_media;
596
597     if( vlm_MediaDescriptionCheck( p_vlm, p_cfg ) || vlm_ControlMediaGetByName( p_vlm, p_cfg->psz_name ) )
598     {
599         msg_Err( p_vlm, "invalid media description" );
600         return VLC_EGENERIC;
601     }
602     /* Check if we need to load the VOD server */
603     if( p_cfg->b_vod && !p_vlm->i_vod )
604     {
605         p_vlm->p_vod = vlc_custom_create( VLC_OBJECT(p_vlm), sizeof( vod_t ),
606                                           VLC_OBJECT_GENERIC, "vod server" );
607         vlc_object_attach( p_vlm->p_vod, p_vlm );
608         p_vlm->p_vod->p_module = module_Need( p_vlm->p_vod, "vod server", 0, 0 );
609         if( !p_vlm->p_vod->p_module )
610         {
611             msg_Err( p_vlm, "cannot find vod server" );
612             vlc_object_detach( p_vlm->p_vod );
613             vlc_object_release( p_vlm->p_vod );
614             p_vlm->p_vod = 0;
615             return VLC_EGENERIC;
616         }
617
618         p_vlm->p_vod->p_data = p_vlm;
619         p_vlm->p_vod->pf_media_control = vlm_MediaVodControl;
620     }
621
622     p_media = malloc( sizeof( vlm_media_sys_t ) );
623     if( !p_media )
624         return VLC_ENOMEM;
625     memset( p_media, 0, sizeof(vlm_media_sys_t) );
626
627     if( p_cfg->b_vod )
628         p_vlm->i_vod++;
629
630     vlm_media_Copy( &p_media->cfg, p_cfg );
631     p_media->cfg.id = p_vlm->i_id++;
632     /* FIXME do we do something here if enabled is true ? */
633
634     p_media->vod.p_item = input_item_New( p_vlm, NULL, NULL );
635
636     p_media->vod.p_media = NULL;
637     TAB_INIT( p_media->i_instance, p_media->instance );
638
639     /* */
640     TAB_APPEND( p_vlm->i_media, p_vlm->media, p_media );
641
642     if( p_id )
643         *p_id = p_media->cfg.id;
644
645     return vlm_OnMediaUpdate( p_vlm, p_media );
646 }
647
648 static int vlm_ControlMediaDel( vlm_t *p_vlm, int64_t id )
649 {
650     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
651
652     if( !p_media )
653         return VLC_EGENERIC;
654
655     while( p_media->i_instance > 0 )
656         vlm_ControlInternal( p_vlm, VLM_STOP_MEDIA_INSTANCE, id, p_media->instance[0]->psz_name );
657
658     if( p_media->cfg.b_vod )
659     {
660         p_media->cfg.b_enabled = false;
661         vlm_OnMediaUpdate( p_vlm, p_media );
662         p_vlm->i_vod--;
663     }
664
665     vlm_media_Clean( &p_media->cfg );
666
667     vlc_gc_decref( p_media->vod.p_item );
668
669     TAB_REMOVE( p_vlm->i_media, p_vlm->media, p_media );
670
671     free( p_media );
672
673     /* Check if we need to unload the VOD server */
674     if( p_vlm->p_vod && p_vlm->i_vod <= 0 )
675     {
676         module_Unneed( p_vlm->p_vod, p_vlm->p_vod->p_module );
677         vlc_object_detach( p_vlm->p_vod );
678         vlc_object_release( p_vlm->p_vod );
679         p_vlm->p_vod = NULL;
680     }
681     return VLC_SUCCESS;
682 }
683
684 static int vlm_ControlMediaGets( vlm_t *p_vlm, vlm_media_t ***ppp_dsc, int *pi_dsc )
685 {
686     vlm_media_t **pp_dsc;
687     int                     i_dsc;
688     int i;
689
690     TAB_INIT( i_dsc, pp_dsc );
691     for( i = 0; i < p_vlm->i_media; i++ )
692     {
693         vlm_media_t *p_dsc = vlm_media_Duplicate( &p_vlm->media[i]->cfg );
694         TAB_APPEND( i_dsc, pp_dsc, p_dsc );
695     }
696
697     *ppp_dsc = pp_dsc;
698     *pi_dsc = i_dsc;
699
700     return VLC_SUCCESS;
701 }
702 static int vlm_ControlMediaClear( vlm_t *p_vlm )
703 {
704     while( p_vlm->i_media > 0 )
705         vlm_ControlMediaDel( p_vlm, p_vlm->media[0]->cfg.id );
706
707     return VLC_SUCCESS;
708 }
709 static int vlm_ControlMediaGet( vlm_t *p_vlm, int64_t id, vlm_media_t **pp_dsc )
710 {
711     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
712     if( !p_media )
713         return VLC_EGENERIC;
714
715     *pp_dsc = vlm_media_Duplicate( &p_media->cfg );
716     return VLC_SUCCESS;
717 }
718 static int vlm_ControlMediaGetId( vlm_t *p_vlm, const char *psz_name, int64_t *p_id )
719 {
720     vlm_media_sys_t *p_media = vlm_ControlMediaGetByName( p_vlm, psz_name );
721     if( !p_media )
722         return VLC_EGENERIC;
723
724     *p_id = p_media->cfg.id;
725     return VLC_SUCCESS;
726 }
727
728 static vlm_media_instance_sys_t *vlm_ControlMediaInstanceGetByName( vlm_media_sys_t *p_media, const char *psz_id )
729 {
730     int i;
731
732     for( i = 0; i < p_media->i_instance; i++ )
733     {
734         const char *psz = p_media->instance[i]->psz_name;
735         if( ( psz == NULL && psz_id == NULL ) ||
736             ( psz && psz_id && !strcmp( psz, psz_id ) ) )
737             return p_media->instance[i];
738     }
739     return NULL;
740 }
741 static vlm_media_instance_sys_t *vlm_MediaInstanceNew( vlm_t *p_vlm, const char *psz_name )
742 {
743     vlm_media_instance_sys_t *p_instance = malloc( sizeof(vlm_media_instance_sys_t) );
744     if( !p_instance )
745         return NULL;
746
747     memset( p_instance, 0, sizeof(vlm_media_instance_sys_t) );
748
749     p_instance->psz_name = NULL;
750     if( psz_name )
751         p_instance->psz_name = strdup( psz_name );
752
753     p_instance->p_item = input_item_New( p_vlm, NULL, NULL );
754
755     p_instance->i_index = 0;
756     p_instance->b_sout_keep = false;
757     p_instance->p_input = NULL;
758     p_instance->p_sout = NULL;
759
760     return p_instance;
761 }
762 static void vlm_MediaInstanceDelete( vlm_media_instance_sys_t *p_instance )
763 {
764     input_thread_t *p_input = p_instance->p_input;
765     if( p_input )
766     {
767         input_StopThread( p_input );
768         p_instance->p_sout = input_DetachSout( p_input );
769         vlc_thread_join( p_input );
770         vlc_object_release( p_input );
771     }
772     if( p_instance->p_sout )
773         sout_DeleteInstance( p_instance->p_sout );
774
775     vlc_gc_decref( p_instance->p_item );
776     free( p_instance->psz_name );
777     free( p_instance );
778 }
779
780
781 static int vlm_ControlMediaInstanceStart( vlm_t *p_vlm, int64_t id, const char *psz_id, int i_input_index, const char *psz_vod_output )
782 {
783     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
784     vlm_media_instance_sys_t *p_instance;
785     char *psz_log;
786
787     if( !p_media || !p_media->cfg.b_enabled || p_media->cfg.i_input <= 0 )
788         return VLC_EGENERIC;
789
790     /* TODO support multiple input for VOD with sout-keep ? */
791
792     if( ( p_media->cfg.b_vod && !psz_vod_output ) || ( !p_media->cfg.b_vod && psz_vod_output ) )
793         return VLC_EGENERIC;
794
795     if( i_input_index < 0 || i_input_index >= p_media->cfg.i_input )
796         return VLC_EGENERIC;
797
798     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
799     if( !p_instance )
800     {
801         vlm_media_t *p_cfg = &p_media->cfg;
802         int i;
803
804         p_instance = vlm_MediaInstanceNew( p_vlm, psz_id );
805         if( !p_instance )
806             return VLC_ENOMEM;
807
808         if( p_cfg->psz_output != NULL || psz_vod_output != NULL )
809         {
810             char *psz_buffer;
811             if( asprintf( &psz_buffer, "sout=%s%s%s",
812                       p_cfg->psz_output ? p_cfg->psz_output : "",
813                       (p_cfg->psz_output && psz_vod_output) ? ":" : psz_vod_output ? "#" : "",
814                       psz_vod_output ? psz_vod_output : "" ) != -1 )
815             {
816                 input_item_AddOption( p_instance->p_item, psz_buffer );
817                 free( psz_buffer );
818             }
819         }
820
821         for( i = 0; i < p_cfg->i_option; i++ )
822         {
823             if( !strcmp( p_cfg->ppsz_option[i], "sout-keep" ) )
824                 p_instance->b_sout_keep = true;
825             else if( !strcmp( p_cfg->ppsz_option[i], "nosout-keep" ) || !strcmp( p_cfg->ppsz_option[i], "no-sout-keep" ) )
826                 p_instance->b_sout_keep = false;
827             else
828                 input_item_AddOption( p_instance->p_item, p_cfg->ppsz_option[i] );
829         }
830         TAB_APPEND( p_media->i_instance, p_media->instance, p_instance );
831     }
832
833     /* Stop old instance */
834     input_thread_t *p_input = p_instance->p_input;
835     if( p_input )
836     {
837         if( p_instance->i_index == i_input_index &&
838             !p_input->b_eof && !p_input->b_error )
839         {
840             if( var_GetInteger( p_input, "state" ) == PAUSE_S )
841                 var_SetInteger( p_input, "state",  PLAYING_S );
842             return VLC_SUCCESS;
843         }
844
845         input_StopThread( p_input );
846         p_instance->p_sout = input_DetachSout( p_input );
847         vlc_thread_join( p_input );
848         vlc_object_release( p_input );
849         if( !p_instance->b_sout_keep && p_instance->p_sout )
850         {
851             sout_DeleteInstance( p_instance->p_sout );
852             p_instance->p_sout = NULL;
853         }
854     }
855
856     /* Start new one */
857     p_instance->i_index = i_input_index;
858     input_item_SetURI( p_instance->p_item, p_media->cfg.ppsz_input[p_instance->i_index] ) ;
859
860     if( asprintf( &psz_log, _("Media: %s"), p_media->cfg.psz_name ) != -1 )
861     {
862         p_instance->p_input = input_CreateThreadExtended( p_vlm, p_instance->p_item, psz_log, p_instance->p_sout );
863         if( !p_instance->p_input )
864         {
865             TAB_REMOVE( p_media->i_instance, p_media->instance, p_instance );
866             vlm_MediaInstanceDelete( p_instance );
867         }
868         free( psz_log );
869     }
870
871     return VLC_SUCCESS;
872 }
873
874 static int vlm_ControlMediaInstanceStop( vlm_t *p_vlm, int64_t id, const char *psz_id )
875 {
876     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
877     vlm_media_instance_sys_t *p_instance;
878
879     if( !p_media )
880         return VLC_EGENERIC;
881
882     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
883     if( !p_instance )
884         return VLC_EGENERIC;
885
886     TAB_REMOVE( p_media->i_instance, p_media->instance, p_instance );
887
888     vlm_MediaInstanceDelete( p_instance );
889
890     return VLC_SUCCESS;
891 }
892 static int vlm_ControlMediaInstancePause( vlm_t *p_vlm, int64_t id, const char *psz_id )
893 {
894     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
895     vlm_media_instance_sys_t *p_instance;
896     int i_state;
897
898     if( !p_media )
899         return VLC_EGENERIC;
900
901     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
902     if( !p_instance || !p_instance->p_input )
903         return VLC_EGENERIC;
904
905     /* Toggle pause state */
906     i_state = var_GetInteger( p_instance->p_input, "state" );
907     if( i_state == PAUSE_S )
908         var_SetInteger( p_instance->p_input, "state", PLAYING_S );
909     else if( i_state == PLAYING_S )
910         var_SetInteger( p_instance->p_input, "state", PAUSE_S );
911     return VLC_SUCCESS;
912 }
913 static int vlm_ControlMediaInstanceGetTimePosition( vlm_t *p_vlm, int64_t id, const char *psz_id, int64_t *pi_time, double *pd_position )
914 {
915     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
916     vlm_media_instance_sys_t *p_instance;
917
918     if( !p_media )
919         return VLC_EGENERIC;
920
921     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
922     if( !p_instance || !p_instance->p_input )
923         return VLC_EGENERIC;
924
925     if( pi_time )
926         *pi_time = var_GetTime( p_instance->p_input, "time" );
927     if( pd_position )
928         *pd_position = var_GetFloat( p_instance->p_input, "position" );
929     return VLC_SUCCESS;
930 }
931 static int vlm_ControlMediaInstanceSetTimePosition( vlm_t *p_vlm, int64_t id, const char *psz_id, int64_t i_time, double d_position )
932 {
933     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
934     vlm_media_instance_sys_t *p_instance;
935
936     if( !p_media )
937         return VLC_EGENERIC;
938
939     p_instance = vlm_ControlMediaInstanceGetByName( p_media, psz_id );
940     if( !p_instance || !p_instance->p_input )
941         return VLC_EGENERIC;
942
943     if( i_time >= 0 )
944         return var_SetTime( p_instance->p_input, "time", i_time );
945     else if( d_position >= 0 && d_position <= 100 )
946         return var_SetFloat( p_instance->p_input, "position", d_position );
947     return VLC_EGENERIC;
948 }
949
950 static int vlm_ControlMediaInstanceGets( vlm_t *p_vlm, int64_t id, vlm_media_instance_t ***ppp_idsc, int *pi_instance )
951 {
952     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
953     vlm_media_instance_t **pp_idsc;
954     int                              i_idsc;
955     int i;
956
957     if( !p_media )
958         return VLC_EGENERIC;
959
960     TAB_INIT( i_idsc, pp_idsc );
961     for( i = 0; i < p_media->i_instance; i++ )
962     {
963         vlm_media_instance_sys_t *p_instance = p_media->instance[i];
964         vlm_media_instance_t *p_idsc = vlm_media_instance_New();
965
966         if( p_instance->psz_name )
967             p_idsc->psz_name = strdup( p_instance->psz_name );
968         if( p_instance->p_input )
969         {
970             p_idsc->i_time = var_GetTime( p_instance->p_input, "time" );
971             p_idsc->i_length = var_GetTime( p_instance->p_input, "length" );
972             p_idsc->d_position = var_GetFloat( p_instance->p_input, "position" );
973             if( var_GetInteger( p_instance->p_input, "state" ) == PAUSE_S )
974                 p_idsc->b_paused = true;
975             p_idsc->i_rate = var_GetInteger( p_instance->p_input, "rate" );
976         }
977
978         TAB_APPEND( i_idsc, pp_idsc, p_idsc );
979     }
980     *ppp_idsc = pp_idsc;
981     *pi_instance = i_idsc;
982     return VLC_SUCCESS;
983 }
984
985 static int vlm_ControlMediaInstanceClear( vlm_t *p_vlm, int64_t id )
986 {
987     vlm_media_sys_t *p_media = vlm_ControlMediaGetById( p_vlm, id );
988
989     if( !p_media )
990         return VLC_EGENERIC;
991
992     while( p_media->i_instance > 0 )
993         vlm_ControlMediaInstanceStop( p_vlm, id, p_media->instance[0]->psz_name );
994
995     return VLC_SUCCESS;
996 }
997
998 static int vlm_ControlScheduleClear( vlm_t *p_vlm )
999 {
1000     while( p_vlm->i_schedule > 0 )
1001         vlm_ScheduleDelete( p_vlm, p_vlm->schedule[0] );
1002
1003     return VLC_SUCCESS;
1004 }
1005
1006 static int vlm_vaControlInternal( vlm_t *p_vlm, int i_query, va_list args )
1007 {
1008     vlm_media_t *p_dsc;
1009     vlm_media_t **pp_dsc;
1010     vlm_media_t ***ppp_dsc;
1011     vlm_media_instance_t ***ppp_idsc;
1012     const char *psz_id;
1013     const char *psz_vod;
1014     int64_t *p_id;
1015     int64_t id;
1016     int i_int;
1017     int *pi_int;
1018
1019     int64_t *pi_i64;
1020     int64_t i_i64;
1021     double *pd_double;
1022     double d_double;
1023
1024     switch( i_query )
1025     {
1026     /* Media control */
1027     case VLM_GET_MEDIAS:
1028         ppp_dsc = (vlm_media_t ***)va_arg( args, vlm_media_t *** );
1029         pi_int = (int *)va_arg( args, int * );
1030         return vlm_ControlMediaGets( p_vlm, ppp_dsc, pi_int );
1031
1032     case VLM_CLEAR_MEDIAS:
1033         return vlm_ControlMediaClear( p_vlm );
1034
1035     case VLM_CHANGE_MEDIA:
1036         p_dsc = (vlm_media_t*)va_arg( args, vlm_media_t * );
1037         return vlm_ControlMediaChange( p_vlm, p_dsc );
1038
1039     case VLM_ADD_MEDIA:
1040         p_dsc = (vlm_media_t*)va_arg( args, vlm_media_t * );
1041         p_id = (int64_t*)va_arg( args, int64_t * );
1042         return vlm_ControlMediaAdd( p_vlm, p_dsc, p_id );
1043
1044     case VLM_DEL_MEDIA:
1045         id = (int64_t)va_arg( args, int64_t );
1046         return vlm_ControlMediaDel( p_vlm, id );
1047
1048     case VLM_GET_MEDIA:
1049         id = (int64_t)va_arg( args, int64_t );
1050         pp_dsc = (vlm_media_t **)va_arg( args, vlm_media_t ** );
1051         return vlm_ControlMediaGet( p_vlm, id, pp_dsc );
1052
1053     case VLM_GET_MEDIA_ID:
1054         psz_id = (const char*)va_arg( args, const char * );
1055         p_id = (int64_t*)va_arg( args, int64_t * );
1056         return vlm_ControlMediaGetId( p_vlm, psz_id, p_id );
1057
1058
1059     /* Media instance control */
1060     case VLM_GET_MEDIA_INSTANCES:
1061         id = (int64_t)va_arg( args, int64_t );
1062         ppp_idsc = (vlm_media_instance_t ***)va_arg( args, vlm_media_instance_t *** );
1063         pi_int = (int *)va_arg( args, int *);
1064         return vlm_ControlMediaInstanceGets( p_vlm, id, ppp_idsc, pi_int );
1065
1066     case VLM_CLEAR_MEDIA_INSTANCES:
1067         id = (int64_t)va_arg( args, int64_t );
1068         return vlm_ControlMediaInstanceClear( p_vlm, id );
1069
1070
1071     case VLM_START_MEDIA_BROADCAST_INSTANCE:
1072         id = (int64_t)va_arg( args, int64_t );
1073         psz_id = (const char*)va_arg( args, const char* );
1074         i_int = (int)va_arg( args, int );
1075         return vlm_ControlMediaInstanceStart( p_vlm, id, psz_id, i_int, NULL );
1076
1077     case VLM_START_MEDIA_VOD_INSTANCE:
1078         id = (int64_t)va_arg( args, int64_t );
1079         psz_id = (const char*)va_arg( args, const char* );
1080         i_int = (int)va_arg( args, int );
1081         psz_vod = (const char*)va_arg( args, const char* );
1082         if( !psz_vod )
1083             return VLC_EGENERIC;
1084         return vlm_ControlMediaInstanceStart( p_vlm, id, psz_id, i_int, psz_vod );
1085
1086     case VLM_STOP_MEDIA_INSTANCE:
1087         id = (int64_t)va_arg( args, int64_t );
1088         psz_id = (const char*)va_arg( args, const char* );
1089         return vlm_ControlMediaInstanceStop( p_vlm, id, psz_id );
1090
1091     case VLM_PAUSE_MEDIA_INSTANCE:
1092         id = (int64_t)va_arg( args, int64_t );
1093         psz_id = (const char*)va_arg( args, const char* );
1094         return vlm_ControlMediaInstancePause( p_vlm, id, psz_id );
1095
1096     case VLM_GET_MEDIA_INSTANCE_TIME:
1097         id = (int64_t)va_arg( args, int64_t );
1098         psz_id = (const char*)va_arg( args, const char* );
1099         pi_i64 = (int64_t*)va_arg( args, int64_t * );
1100         return vlm_ControlMediaInstanceGetTimePosition( p_vlm, id, psz_id, pi_i64, NULL );
1101     case VLM_GET_MEDIA_INSTANCE_POSITION:
1102         id = (int64_t)va_arg( args, int64_t );
1103         psz_id = (const char*)va_arg( args, const char* );
1104         pd_double = (double*)va_arg( args, double* );
1105         return vlm_ControlMediaInstanceGetTimePosition( p_vlm, id, psz_id, NULL, pd_double );
1106
1107     case VLM_SET_MEDIA_INSTANCE_TIME:
1108         id = (int64_t)va_arg( args, int64_t );
1109         psz_id = (const char*)va_arg( args, const char* );
1110         i_i64 = (int64_t)va_arg( args, int64_t);
1111         return vlm_ControlMediaInstanceSetTimePosition( p_vlm, id, psz_id, i_i64, -1 );
1112     case VLM_SET_MEDIA_INSTANCE_POSITION:
1113         id = (int64_t)va_arg( args, int64_t );
1114         psz_id = (const char*)va_arg( args, const char* );
1115         d_double = (double)va_arg( args, double );
1116         return vlm_ControlMediaInstanceSetTimePosition( p_vlm, id, psz_id, -1, d_double );
1117
1118     case VLM_CLEAR_SCHEDULES:
1119         return vlm_ControlScheduleClear( p_vlm );
1120
1121     default:
1122         msg_Err( p_vlm, "unknown VLM query" );
1123         return VLC_EGENERIC;
1124     }
1125 }
1126
1127 int vlm_ControlInternal( vlm_t *p_vlm, int i_query, ... )
1128 {
1129     va_list args;
1130     int     i_result;
1131
1132     va_start( args, i_query );
1133     i_result = vlm_vaControlInternal( p_vlm, i_query, args );
1134     va_end( args );
1135
1136     return i_result;
1137 }
1138
1139 int vlm_Control( vlm_t *p_vlm, int i_query, ... )
1140 {
1141     va_list args;
1142     int     i_result;
1143
1144     va_start( args, i_query );
1145
1146     vlc_mutex_lock( &p_vlm->lock );
1147     i_result = vlm_vaControlInternal( p_vlm, i_query, args );
1148     vlc_mutex_unlock( &p_vlm->lock );
1149
1150     va_end( args );
1151
1152     return i_result;
1153 }