1 /*****************************************************************************
2 * media_player.c: Libvlc API Media Instance management functions
3 *****************************************************************************
4 * Copyright (C) 2005-2009 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.org>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 #include "libvlc_internal.h"
26 #include <vlc/libvlc.h>
27 #include <vlc_demux.h>
28 #include <vlc_input.h>
34 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
35 vlc_value_t oldval, vlc_value_t newval,
38 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
39 vlc_value_t oldval, vlc_value_t newval,
42 input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
43 vlc_value_t oldval, vlc_value_t newval,
46 static int SnapshotTakenCallback( vlc_object_t *p_this, char const *psz_cmd,
47 vlc_value_t oldval, vlc_value_t newval, void *p_data );
49 static const libvlc_state_t vlc_to_libvlc_state_array[] =
51 [INIT_S] = libvlc_NothingSpecial,
52 [OPENING_S] = libvlc_Opening,
53 [PLAYING_S] = libvlc_Playing,
54 [PAUSE_S] = libvlc_Paused,
55 [END_S] = libvlc_Ended,
56 [ERROR_S] = libvlc_Error,
59 static inline libvlc_state_t vlc_to_libvlc_state( int vlc_state )
61 if( vlc_state < 0 || vlc_state > 6 )
64 return vlc_to_libvlc_state_array[vlc_state];
68 * Release the associated input thread.
70 * Object lock is NOT held.
72 static void release_input_thread( libvlc_media_player_t *p_mi, bool b_input_abort )
74 input_thread_t * p_input_thread;
76 if( !p_mi || !p_mi->p_input_thread )
79 p_input_thread = p_mi->p_input_thread;
81 var_DelCallback( p_input_thread, "can-seek",
82 input_seekable_changed, p_mi );
83 var_DelCallback( p_input_thread, "can-pause",
84 input_pausable_changed, p_mi );
85 var_DelCallback( p_input_thread, "intf-event",
86 input_event_changed, p_mi );
88 /* We owned this one */
89 input_Stop( p_input_thread, b_input_abort );
90 vlc_thread_join( p_input_thread );
92 var_Destroy( p_input_thread, "drawable-hwnd" );
93 var_Destroy( p_input_thread, "drawable-xid" );
94 var_Destroy( p_input_thread, "drawable-agl" );
96 vlc_object_release( p_input_thread );
98 p_mi->p_input_thread = NULL;
102 * Retrieve the input thread. Be sure to release the object
103 * once you are done with it. (libvlc Internal)
105 * Function will lock the object.
107 input_thread_t *libvlc_get_input_thread( libvlc_media_player_t *p_mi,
108 libvlc_exception_t *p_e )
110 input_thread_t *p_input_thread;
112 if( !p_mi ) RAISENULL( "Media Instance is NULL" );
114 vlc_mutex_lock( &p_mi->object_lock );
116 if( !p_mi->p_input_thread )
118 vlc_mutex_unlock( &p_mi->object_lock );
119 RAISENULL( "Input is NULL" );
122 p_input_thread = p_mi->p_input_thread;
123 vlc_object_hold( p_input_thread );
125 vlc_mutex_unlock( &p_mi->object_lock );
127 return p_input_thread;
131 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
132 vlc_value_t oldval, vlc_value_t newval,
138 libvlc_media_player_t * p_mi = p_userdata;
139 libvlc_event_t event;
141 libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL);
142 event.type = libvlc_MediaPlayerSeekableChanged;
143 event.u.media_player_seekable_changed.new_seekable = newval.b_bool;
145 libvlc_event_send( p_mi->p_event_manager, &event );
150 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
151 vlc_value_t oldval, vlc_value_t newval,
157 libvlc_media_player_t * p_mi = p_userdata;
158 libvlc_event_t event;
160 libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL);
161 event.type = libvlc_MediaPlayerPausableChanged;
162 event.u.media_player_pausable_changed.new_pausable = newval.b_bool;
164 libvlc_event_send( p_mi->p_event_manager, &event );
169 input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
170 vlc_value_t oldval, vlc_value_t newval,
174 input_thread_t * p_input = (input_thread_t *)p_this;
175 libvlc_media_player_t * p_mi = p_userdata;
176 libvlc_event_t event;
178 assert( !strcmp( psz_cmd, "intf-event" ) );
180 if( newval.i_int == INPUT_EVENT_STATE )
182 libvlc_state_t libvlc_state;
184 switch ( var_GetInteger( p_input, "state" ) )
187 libvlc_state = libvlc_NothingSpecial;
188 event.type = libvlc_MediaPlayerNothingSpecial;
191 libvlc_state = libvlc_Opening;
192 event.type = libvlc_MediaPlayerOpening;
195 libvlc_state = libvlc_Playing;
196 event.type = libvlc_MediaPlayerPlaying;
199 libvlc_state = libvlc_Paused;
200 event.type = libvlc_MediaPlayerPaused;
203 libvlc_state = libvlc_Ended;
204 event.type = libvlc_MediaPlayerEndReached;
207 libvlc_state = libvlc_Error;
208 event.type = libvlc_MediaPlayerEncounteredError;
215 libvlc_media_set_state( p_mi->p_md, libvlc_state, NULL );
216 libvlc_event_send( p_mi->p_event_manager, &event );
218 else if( newval.i_int == INPUT_EVENT_POSITION )
220 if( var_GetInteger( p_input, "state" ) != PLAYING_S )
221 return VLC_SUCCESS; /* Don't send the position while stopped */
224 event.type = libvlc_MediaPlayerPositionChanged;
225 event.u.media_player_position_changed.new_position =
226 var_GetFloat( p_input, "position" );
227 libvlc_event_send( p_mi->p_event_manager, &event );
230 event.type = libvlc_MediaPlayerTimeChanged;
231 event.u.media_player_time_changed.new_time =
232 var_GetTime( p_input, "time" );
233 libvlc_event_send( p_mi->p_event_manager, &event );
240 /**************************************************************************
241 * Create a Media Instance object.
244 * - All items created by _new start with a refcount set to 1.
245 * - Accessor _release decrease the refcount by 1, if after that
246 * operation the refcount is 0, the object is destroyed.
247 * - Accessor _retain increase the refcount by 1 (XXX: to implement)
249 * Object locking strategy:
250 * - No lock held while in constructor.
251 * - When accessing any member variable this lock is held. (XXX who locks?)
252 * - When attempting to destroy the object the lock is also held.
253 **************************************************************************/
254 libvlc_media_player_t *
255 libvlc_media_player_new( libvlc_instance_t * p_libvlc_instance,
256 libvlc_exception_t * p_e )
258 libvlc_media_player_t * p_mi;
260 if( !p_libvlc_instance )
262 libvlc_exception_raise( p_e, "invalid libvlc instance" );
266 p_mi = malloc( sizeof(libvlc_media_player_t) );
269 libvlc_exception_raise( p_e, "Not enough memory" );
273 p_mi->drawable.agl = 0;
274 p_mi->drawable.xid = 0;
275 p_mi->drawable.hwnd = NULL;
276 p_mi->p_libvlc_instance = p_libvlc_instance;
277 p_mi->p_input_thread = NULL;
278 p_mi->i_refcount = 1;
279 vlc_mutex_init( &p_mi->object_lock );
280 p_mi->p_event_manager = libvlc_event_manager_new( p_mi,
281 p_libvlc_instance, p_e );
282 if( libvlc_exception_raised( p_e ) )
284 vlc_mutex_destroy( &p_mi->object_lock );
289 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
290 libvlc_MediaPlayerNothingSpecial, p_e );
291 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
292 libvlc_MediaPlayerOpening, p_e );
293 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
294 libvlc_MediaPlayerBuffering, p_e );
295 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
296 libvlc_MediaPlayerPlaying, p_e );
297 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
298 libvlc_MediaPlayerPaused, p_e );
299 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
300 libvlc_MediaPlayerStopped, p_e );
301 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
302 libvlc_MediaPlayerForward, p_e );
303 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
304 libvlc_MediaPlayerBackward, p_e );
305 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
306 libvlc_MediaPlayerEndReached, p_e );
307 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
308 libvlc_MediaPlayerEncounteredError, p_e );
310 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
311 libvlc_MediaPlayerPositionChanged, p_e );
312 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
313 libvlc_MediaPlayerTimeChanged, p_e );
314 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
315 libvlc_MediaPlayerTitleChanged, p_e );
316 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
317 libvlc_MediaPlayerSeekableChanged, p_e );
318 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
319 libvlc_MediaPlayerPausableChanged, p_e );
321 /* Snapshot initialization */
322 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
323 libvlc_MediaPlayerSnapshotTaken, p_e );
325 /* Attach a var callback to the global object to provide the glue between
326 vout_thread that generates the event and media_player that re-emits it
327 with its own event manager
329 var_Create( p_libvlc_instance->p_libvlc_int, "vout-snapshottaken",
330 VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
331 var_AddCallback( p_libvlc_instance->p_libvlc_int, "vout-snapshottaken",
332 SnapshotTakenCallback, p_mi );
337 /**************************************************************************
338 * Create a Media Instance object with a media descriptor.
339 **************************************************************************/
340 libvlc_media_player_t *
341 libvlc_media_player_new_from_media(
342 libvlc_media_t * p_md,
343 libvlc_exception_t *p_e )
345 libvlc_media_player_t * p_mi;
347 p_mi = libvlc_media_player_new( p_md->p_libvlc_instance, p_e );
351 libvlc_media_retain( p_md );
357 /**************************************************************************
358 * Destroy a Media Instance object (libvlc internal)
360 * Warning: No lock held here, but hey, this is internal. Caller must lock.
361 **************************************************************************/
362 void libvlc_media_player_destroy( libvlc_media_player_t *p_mi )
364 input_thread_t *p_input_thread;
365 libvlc_exception_t p_e;
370 libvlc_exception_init( &p_e );
372 /* Detach Callback from the main libvlc object */
373 var_DelCallback( p_mi->p_libvlc_instance->p_libvlc_int,
374 "vout-snapshottaken", SnapshotTakenCallback, p_mi );
376 p_input_thread = libvlc_get_input_thread( p_mi, &p_e );
378 if( libvlc_exception_raised( &p_e ) )
380 libvlc_event_manager_release( p_mi->p_event_manager );
381 libvlc_exception_clear( &p_e );
383 return; /* no need to worry about no input thread */
385 vlc_mutex_destroy( &p_mi->object_lock );
387 vlc_object_release( p_input_thread );
389 libvlc_media_release( p_mi->p_md );
394 /**************************************************************************
395 * Release a Media Instance object.
397 * Function does the locking.
398 **************************************************************************/
399 void libvlc_media_player_release( libvlc_media_player_t *p_mi )
404 vlc_mutex_lock( &p_mi->object_lock );
408 if( p_mi->i_refcount > 0 )
410 vlc_mutex_unlock( &p_mi->object_lock );
413 vlc_mutex_unlock( &p_mi->object_lock );
415 /* Detach Callback from the main libvlc object */
416 var_DelCallback( p_mi->p_libvlc_instance->p_libvlc_int,
417 "vout-snapshottaken", SnapshotTakenCallback, p_mi );
419 vlc_mutex_destroy( &p_mi->object_lock );
421 release_input_thread( p_mi, true );
423 libvlc_event_manager_release( p_mi->p_event_manager );
425 libvlc_media_release( p_mi->p_md );
430 /**************************************************************************
431 * Retain a Media Instance object.
433 * Caller must hold the lock.
434 **************************************************************************/
435 void libvlc_media_player_retain( libvlc_media_player_t *p_mi )
443 /**************************************************************************
444 * Set the Media descriptor associated with the instance.
446 * Enter without lock -- function will lock the object.
447 **************************************************************************/
448 void libvlc_media_player_set_media(
449 libvlc_media_player_t *p_mi,
450 libvlc_media_t *p_md,
451 libvlc_exception_t *p_e )
458 vlc_mutex_lock( &p_mi->object_lock );
460 /* FIXME I am not sure if it is a user request or on die(eof/error)
462 release_input_thread( p_mi,
463 p_mi->p_input_thread &&
464 !p_mi->p_input_thread->b_eof &&
465 !p_mi->p_input_thread->b_error );
468 libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, p_e );
470 libvlc_media_release( p_mi->p_md );
475 vlc_mutex_unlock( &p_mi->object_lock );
476 return; /* It is ok to pass a NULL md */
479 libvlc_media_retain( p_md );
482 /* The policy here is to ignore that we were created using a different
483 * libvlc_instance, because we don't really care */
484 p_mi->p_libvlc_instance = p_md->p_libvlc_instance;
486 vlc_mutex_unlock( &p_mi->object_lock );
489 /**************************************************************************
490 * Get the Media descriptor associated with the instance.
491 **************************************************************************/
493 libvlc_media_player_get_media(
494 libvlc_media_player_t *p_mi,
495 libvlc_exception_t *p_e )
502 libvlc_media_retain( p_mi->p_md );
506 /**************************************************************************
507 * Get the event Manager.
508 **************************************************************************/
509 libvlc_event_manager_t *
510 libvlc_media_player_event_manager(
511 libvlc_media_player_t *p_mi,
512 libvlc_exception_t *p_e )
516 return p_mi->p_event_manager;
519 /**************************************************************************
520 * Trigger a snapshot Taken Event.
521 *************************************************************************/
522 static int SnapshotTakenCallback( vlc_object_t *p_this, char const *psz_cmd,
523 vlc_value_t oldval, vlc_value_t newval, void *p_data )
525 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
528 libvlc_media_player_t* p_mi = (libvlc_media_player_t*) p_data ;
529 libvlc_event_t event ;
530 event.type = libvlc_MediaPlayerSnapshotTaken ;
531 event.u.media_player_snapshot_taken.psz_filename = newval.psz_string ;
532 /* Snapshot psz data is a vlc_variable owned by libvlc object .
533 Its memmory management is taken care by the obj*/
534 msg_Dbg( p_this, "about to emit libvlc_snapshot_taken.make psz_str=0x%p"
535 " (%s)", event.u.media_player_snapshot_taken.psz_filename,
536 event.u.media_player_snapshot_taken.psz_filename );
537 libvlc_event_send( p_mi->p_event_manager, &event );
542 /**************************************************************************
543 * Tell media player to start playing.
544 **************************************************************************/
545 void libvlc_media_player_play( libvlc_media_player_t *p_mi,
546 libvlc_exception_t *p_e )
548 input_thread_t * p_input_thread;
550 if( (p_input_thread = libvlc_get_input_thread( p_mi, p_e )) )
552 /* A thread already exists, send it a play message */
553 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
554 vlc_object_release( p_input_thread );
558 /* Ignore previous exception */
559 libvlc_exception_clear( p_e );
561 vlc_mutex_lock( &p_mi->object_lock );
565 libvlc_exception_raise( p_e, "no associated media descriptor" );
566 vlc_mutex_unlock( &p_mi->object_lock );
570 p_mi->p_input_thread = input_Create( p_mi->p_libvlc_instance->p_libvlc_int,
571 p_mi->p_md->p_input_item, NULL, NULL );
573 if( !p_mi->p_input_thread )
575 vlc_mutex_unlock( &p_mi->object_lock );
579 p_input_thread = p_mi->p_input_thread;
581 var_Create( p_input_thread, "drawable-agl", VLC_VAR_INTEGER );
582 if( p_mi->drawable.agl )
583 var_SetInteger( p_input_thread, "drawable-agl", p_mi->drawable.agl );
585 var_Create( p_input_thread, "drawable-xid", VLC_VAR_INTEGER );
586 if( p_mi->drawable.xid )
587 var_SetInteger( p_input_thread, "drawable-xid", p_mi->drawable.xid );
589 var_Create( p_input_thread, "drawable-hwnd", VLC_VAR_ADDRESS );
590 if( p_mi->drawable.hwnd != NULL )
592 vlc_value_t val = { .p_address = p_mi->drawable.hwnd };
593 var_Set( p_input_thread, "drawable-hwnd", val );
596 var_Create( p_input_thread, "drawable-nsobject", VLC_VAR_ADDRESS );
597 if( p_mi->drawable.nsobject != NULL )
599 vlc_value_t val = { .p_address = p_mi->drawable.nsobject };
600 var_Set( p_input_thread, "drawable-nsobject", val );
603 var_AddCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
604 var_AddCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
605 var_AddCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
607 if( input_Start( p_input_thread ) )
609 vlc_object_release( p_input_thread );
610 p_mi->p_input_thread = NULL;
613 vlc_mutex_unlock( &p_mi->object_lock );
616 /**************************************************************************
618 **************************************************************************/
619 void libvlc_media_player_pause( libvlc_media_player_t *p_mi,
620 libvlc_exception_t *p_e )
622 input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi, p_e );
623 if( !p_input_thread )
626 libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e );
627 if( state == libvlc_Playing || state == libvlc_Buffering )
629 if( libvlc_media_player_can_pause( p_mi, p_e ) )
630 input_Control( p_input_thread, INPUT_SET_STATE, PAUSE_S );
632 libvlc_media_player_stop( p_mi, p_e );
635 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
637 vlc_object_release( p_input_thread );
640 /**************************************************************************
641 * Tells whether the media player is currently playing.
643 * Enter with lock held.
644 **************************************************************************/
645 int libvlc_media_player_is_playing( libvlc_media_player_t *p_mi,
646 libvlc_exception_t *p_e )
648 libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e );
649 return (libvlc_Playing == state) || (libvlc_Buffering == state);
652 /**************************************************************************
654 **************************************************************************/
655 void libvlc_media_player_stop( libvlc_media_player_t *p_mi,
656 libvlc_exception_t *p_e )
658 libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e );
660 if( state == libvlc_Playing ||
661 state == libvlc_Paused ||
662 state == libvlc_Buffering )
664 /* Send a stop notification event only if we are in playing,
665 * buffering or paused states */
666 libvlc_media_set_state( p_mi->p_md, libvlc_Ended, p_e );
668 /* Construct and send the event */
669 libvlc_event_t event;
670 event.type = libvlc_MediaPlayerStopped;
671 libvlc_event_send( p_mi->p_event_manager, &event );
674 vlc_mutex_lock( &p_mi->object_lock );
675 release_input_thread( p_mi, true ); /* This will stop the input thread */
676 vlc_mutex_unlock( &p_mi->object_lock );
679 /**************************************************************************
681 **************************************************************************/
682 void libvlc_media_player_set_nsobject( libvlc_media_player_t *p_mi,
684 libvlc_exception_t *p_e )
687 p_mi->drawable.nsobject = drawable;
690 /**************************************************************************
692 **************************************************************************/
693 uint32_t libvlc_media_player_get_nsobject( libvlc_media_player_t *p_mi )
695 return p_mi->drawable.nsobject;
698 /**************************************************************************
700 **************************************************************************/
701 void libvlc_media_player_set_agl( libvlc_media_player_t *p_mi,
703 libvlc_exception_t *p_e )
706 p_mi->drawable.agl = drawable;
709 /**************************************************************************
711 **************************************************************************/
712 uint32_t libvlc_media_player_get_agl( libvlc_media_player_t *p_mi )
714 return p_mi->drawable.agl;
717 /**************************************************************************
719 **************************************************************************/
720 void libvlc_media_player_set_xwindow( libvlc_media_player_t *p_mi,
722 libvlc_exception_t *p_e )
725 p_mi->drawable.xid = drawable;
728 /**************************************************************************
730 **************************************************************************/
731 uint32_t libvlc_media_player_get_xwindow( libvlc_media_player_t *p_mi )
733 return p_mi->drawable.xid;
736 /**************************************************************************
738 **************************************************************************/
739 void libvlc_media_player_set_hwnd( libvlc_media_player_t *p_mi,
741 libvlc_exception_t *p_e )
744 p_mi->drawable.hwnd = drawable;
747 /**************************************************************************
749 **************************************************************************/
750 void *libvlc_media_player_get_hwnd( libvlc_media_player_t *p_mi )
752 return p_mi->drawable.hwnd;
755 /**************************************************************************
757 **************************************************************************/
758 void libvlc_media_player_set_drawable( libvlc_media_player_t *p_mi,
759 libvlc_drawable_t drawable,
760 libvlc_exception_t *p_e )
763 if (sizeof (HWND) <= sizeof (libvlc_drawable_t))
764 p_mi->drawable.hwnd = (HWND)drawable;
766 libvlc_exception_raise(p_e, "Operation not supported");
767 #elif defined(__APPLE__)
768 p_mi->drawable.agl = drawable;
771 p_mi->drawable.xid = drawable;
776 /**************************************************************************
778 **************************************************************************/
780 libvlc_media_player_get_drawable ( libvlc_media_player_t *p_mi,
781 libvlc_exception_t *p_e )
786 if (sizeof (HWND) <= sizeof (libvlc_drawable_t))
787 return (libvlc_drawable_t)p_mi->drawable.hwnd;
790 #elif defined(__APPLE__)
791 return p_mi->drawable.agl;
793 return p_mi->drawable.xid;
797 /**************************************************************************
798 * Getters for stream information
799 **************************************************************************/
800 libvlc_time_t libvlc_media_player_get_length(
801 libvlc_media_player_t *p_mi,
802 libvlc_exception_t *p_e )
804 input_thread_t *p_input_thread;
807 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
808 if( !p_input_thread )
811 var_Get( p_input_thread, "length", &val );
812 vlc_object_release( p_input_thread );
814 return (val.i_time+500LL)/1000LL;
817 libvlc_time_t libvlc_media_player_get_time(
818 libvlc_media_player_t *p_mi,
819 libvlc_exception_t *p_e )
821 input_thread_t *p_input_thread;
824 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
825 if( !p_input_thread )
828 var_Get( p_input_thread , "time", &val );
829 vlc_object_release( p_input_thread );
830 return (val.i_time+500LL)/1000LL;
833 void libvlc_media_player_set_time(
834 libvlc_media_player_t *p_mi,
836 libvlc_exception_t *p_e )
838 input_thread_t *p_input_thread;
840 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
841 if( !p_input_thread )
844 var_SetTime( p_input_thread, "time", time*1000LL );
845 vlc_object_release( p_input_thread );
848 void libvlc_media_player_set_position(
849 libvlc_media_player_t *p_mi,
851 libvlc_exception_t *p_e )
853 input_thread_t *p_input_thread;
855 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
856 if( !p_input_thread )
859 var_SetFloat( p_input_thread, "position", position );
860 vlc_object_release( p_input_thread );
863 float libvlc_media_player_get_position(
864 libvlc_media_player_t *p_mi,
865 libvlc_exception_t *p_e )
867 input_thread_t *p_input_thread;
870 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
871 if( !p_input_thread )
874 var_Get( p_input_thread, "position", &val );
875 vlc_object_release( p_input_thread );
880 void libvlc_media_player_set_chapter(
881 libvlc_media_player_t *p_mi,
883 libvlc_exception_t *p_e )
885 input_thread_t *p_input_thread;
887 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
888 if( !p_input_thread )
891 var_SetInteger( p_input_thread, "chapter", chapter );
892 vlc_object_release( p_input_thread );
895 int libvlc_media_player_get_chapter(
896 libvlc_media_player_t *p_mi,
897 libvlc_exception_t *p_e )
899 input_thread_t *p_input_thread;
902 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
903 if( !p_input_thread )
906 var_Get( p_input_thread, "chapter", &val );
907 vlc_object_release( p_input_thread );
912 int libvlc_media_player_get_chapter_count(
913 libvlc_media_player_t *p_mi,
914 libvlc_exception_t *p_e )
916 input_thread_t *p_input_thread;
919 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
920 if( !p_input_thread )
923 var_Change( p_input_thread, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
924 vlc_object_release( p_input_thread );
929 int libvlc_media_player_get_chapter_count_for_title(
930 libvlc_media_player_t *p_mi,
932 libvlc_exception_t *p_e )
934 input_thread_t *p_input_thread;
937 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
938 if( !p_input_thread )
942 if( asprintf( &psz_name, "title %2i", i_title ) == -1 )
944 vlc_object_release( p_input_thread );
947 var_Change( p_input_thread, psz_name, VLC_VAR_CHOICESCOUNT, &val, NULL );
948 vlc_object_release( p_input_thread );
954 void libvlc_media_player_set_title(
955 libvlc_media_player_t *p_mi,
957 libvlc_exception_t *p_e )
959 input_thread_t *p_input_thread;
961 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
962 if( !p_input_thread )
965 var_SetInteger( p_input_thread, "title", i_title );
966 vlc_object_release( p_input_thread );
969 libvlc_event_t event;
970 event.type = libvlc_MediaPlayerTitleChanged;
971 event.u.media_player_title_changed.new_title = i_title;
972 libvlc_event_send( p_mi->p_event_manager, &event );
975 int libvlc_media_player_get_title(
976 libvlc_media_player_t *p_mi,
977 libvlc_exception_t *p_e )
979 input_thread_t *p_input_thread;
982 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
983 if( !p_input_thread )
986 var_Get( p_input_thread, "title", &val );
987 vlc_object_release( p_input_thread );
992 int libvlc_media_player_get_title_count(
993 libvlc_media_player_t *p_mi,
994 libvlc_exception_t *p_e )
996 input_thread_t *p_input_thread;
999 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1000 if( !p_input_thread )
1003 var_Change( p_input_thread, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
1004 vlc_object_release( p_input_thread );
1009 void libvlc_media_player_next_chapter(
1010 libvlc_media_player_t *p_mi,
1011 libvlc_exception_t *p_e )
1013 input_thread_t *p_input_thread;
1015 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
1016 if( !p_input_thread )
1019 int i_type = var_Type( p_input_thread, "next-chapter" );
1020 var_SetBool( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1021 "next-chapter":"next-title", true );
1023 vlc_object_release( p_input_thread );
1026 void libvlc_media_player_previous_chapter(
1027 libvlc_media_player_t *p_mi,
1028 libvlc_exception_t *p_e )
1030 input_thread_t *p_input_thread;
1032 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
1033 if( !p_input_thread )
1036 int i_type = var_Type( p_input_thread, "next-chapter" );
1037 var_SetBool( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1038 "prev-chapter":"prev-title", true );
1040 vlc_object_release( p_input_thread );
1043 float libvlc_media_player_get_fps(
1044 libvlc_media_player_t *p_mi,
1045 libvlc_exception_t *p_e)
1047 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1050 if( p_input_thread )
1052 if( input_Control( p_input_thread, INPUT_GET_VIDEO_FPS, &f_fps ) )
1054 vlc_object_release( p_input_thread );
1059 int libvlc_media_player_will_play( libvlc_media_player_t *p_mi,
1060 libvlc_exception_t *p_e)
1062 input_thread_t *p_input_thread =
1063 libvlc_get_input_thread ( p_mi, p_e);
1064 if ( !p_input_thread )
1067 if ( !p_input_thread->b_die && !p_input_thread->b_dead )
1069 vlc_object_release( p_input_thread );
1072 vlc_object_release( p_input_thread );
1076 void libvlc_media_player_set_rate(
1077 libvlc_media_player_t *p_mi,
1079 libvlc_exception_t *p_e )
1081 input_thread_t *p_input_thread;
1084 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1085 if( !p_input_thread )
1088 b_can_rewind = var_GetBool( p_input_thread, "can-rewind" );
1089 if( (rate < 0.0) && !b_can_rewind )
1091 vlc_object_release( p_input_thread );
1092 libvlc_exception_raise( p_e, "Rate value is invalid" );
1096 var_SetInteger( p_input_thread, "rate", 1000.0f/rate );
1097 vlc_object_release( p_input_thread );
1100 float libvlc_media_player_get_rate(
1101 libvlc_media_player_t *p_mi,
1102 libvlc_exception_t *p_e )
1104 input_thread_t *p_input_thread;
1108 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1109 if( !p_input_thread )
1110 return 0.0; /* rate < 0 indicates rewind */
1112 var_Get( p_input_thread, "rate", &val );
1113 b_can_rewind = var_GetBool( p_input_thread, "can-rewind" );
1114 if( (val.i_int < 0) && !b_can_rewind )
1116 libvlc_exception_raise( p_e, "invalid rate" );
1119 vlc_object_release( p_input_thread );
1121 return (float)1000.0f/val.i_int;
1124 libvlc_state_t libvlc_media_player_get_state(
1125 libvlc_media_player_t *p_mi,
1126 libvlc_exception_t *p_e )
1128 input_thread_t *p_input_thread;
1129 libvlc_state_t state = libvlc_Ended;
1132 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1133 if( !p_input_thread )
1135 /* We do return the right value, no need to throw an exception */
1136 if( libvlc_exception_raised( p_e ) )
1137 libvlc_exception_clear( p_e );
1141 var_Get( p_input_thread, "state", &val );
1142 state = vlc_to_libvlc_state(val.i_int);
1144 if( state == libvlc_Playing )
1147 caching = var_GetFloat( p_input_thread, "cache" );
1148 if( caching > 0.0 && caching < 1.0 )
1149 state = libvlc_Buffering;
1151 vlc_object_release( p_input_thread );
1155 int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi,
1156 libvlc_exception_t *p_e )
1158 input_thread_t *p_input_thread;
1161 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1162 if ( !p_input_thread )
1164 /* We do return the right value, no need to throw an exception */
1165 if( libvlc_exception_raised( p_e ) )
1166 libvlc_exception_clear( p_e );
1169 var_Get( p_input_thread, "can-seek", &val );
1170 vlc_object_release( p_input_thread );
1175 /* internal function, used by audio, video */
1176 libvlc_track_description_t *
1177 libvlc_get_track_description( libvlc_media_player_t *p_mi,
1178 const char *psz_variable,
1179 libvlc_exception_t *p_e )
1181 input_thread_t *p_input = libvlc_get_input_thread( p_mi, p_e );
1186 vlc_value_t val_list, text_list;
1187 var_Change( p_input, psz_variable, VLC_VAR_GETLIST, &val_list, &text_list);
1189 if( val_list.p_list->i_count <= 0 ) /* no tracks */
1192 libvlc_track_description_t *p_track_description, *p_actual, *p_previous;
1193 p_track_description = ( libvlc_track_description_t * )
1194 malloc( sizeof( libvlc_track_description_t ) );
1195 if ( !p_track_description )
1197 var_Change( p_input, psz_variable, VLC_VAR_FREELIST,
1198 &val_list, &text_list);
1199 vlc_object_release( p_input );
1200 libvlc_exception_raise( p_e, "no enough memory" );
1203 p_actual = p_track_description;
1205 for( int i = 0; i < val_list.p_list->i_count; i++ )
1209 p_actual = ( libvlc_track_description_t * )
1210 malloc( sizeof( libvlc_track_description_t ) );
1213 libvlc_track_description_release( p_track_description );
1214 var_Change( p_input, psz_variable, VLC_VAR_FREELIST,
1215 &val_list, &text_list);
1216 vlc_object_release( p_input );
1217 libvlc_exception_raise( p_e, "no enough memory" );
1221 p_actual->i_id = val_list.p_list->p_values[i].i_int;
1222 p_actual->psz_name = strdup( text_list.p_list->p_values[i].psz_string );
1223 p_actual->p_next = NULL;
1225 p_previous->p_next = p_actual;
1226 p_previous = p_actual;
1229 var_Change( p_input, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list);
1230 vlc_object_release( p_input );
1232 return p_track_description;
1235 void libvlc_track_description_release( libvlc_track_description_t *p_td )
1237 libvlc_track_description_t *p_actual, *p_before;
1242 free( p_actual->psz_name );
1243 p_before = p_actual;
1244 p_actual = p_before->p_next;
1249 int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi,
1250 libvlc_exception_t *p_e )
1252 input_thread_t *p_input_thread;
1255 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1256 if ( !p_input_thread )
1258 /* We do return the right value, no need to throw an exception */
1259 if( libvlc_exception_raised( p_e ) )
1260 libvlc_exception_clear( p_e );
1263 var_Get( p_input_thread, "can-pause", &val );
1264 vlc_object_release( p_input_thread );