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 /* No one is tracking this input_thread apart from us. Destroy it. */
82 if( p_mi->b_own_its_input_thread )
84 var_DelCallback( p_input_thread, "can-seek",
85 input_seekable_changed, p_mi );
86 var_DelCallback( p_input_thread, "can-pause",
87 input_pausable_changed, p_mi );
88 var_DelCallback( p_input_thread, "intf-event",
89 input_event_changed, p_mi );
91 /* We owned this one */
92 input_Stop( p_input_thread, b_input_abort );
93 vlc_thread_join( p_input_thread );
95 var_Destroy( p_input_thread, "drawable-hwnd" );
96 var_Destroy( p_input_thread, "drawable-xid" );
97 var_Destroy( p_input_thread, "drawable-agl" );
100 vlc_object_release( p_input_thread );
102 p_mi->p_input_thread = NULL;
106 * Retrieve the input thread. Be sure to release the object
107 * once you are done with it. (libvlc Internal)
109 * Function will lock the object.
111 input_thread_t *libvlc_get_input_thread( libvlc_media_player_t *p_mi,
112 libvlc_exception_t *p_e )
114 input_thread_t *p_input_thread;
116 if( !p_mi ) RAISENULL( "Media Instance is NULL" );
118 vlc_mutex_lock( &p_mi->object_lock );
120 if( !p_mi->p_input_thread )
122 vlc_mutex_unlock( &p_mi->object_lock );
123 RAISENULL( "Input is NULL" );
126 p_input_thread = p_mi->p_input_thread;
127 vlc_object_hold( p_input_thread );
129 vlc_mutex_unlock( &p_mi->object_lock );
131 return p_input_thread;
135 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
136 vlc_value_t oldval, vlc_value_t newval,
142 libvlc_media_player_t * p_mi = p_userdata;
143 libvlc_event_t event;
145 libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL);
146 event.type = libvlc_MediaPlayerSeekableChanged;
147 event.u.media_player_seekable_changed.new_seekable = newval.b_bool;
149 libvlc_event_send( p_mi->p_event_manager, &event );
154 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
155 vlc_value_t oldval, vlc_value_t newval,
161 libvlc_media_player_t * p_mi = p_userdata;
162 libvlc_event_t event;
164 libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL);
165 event.type = libvlc_MediaPlayerPausableChanged;
166 event.u.media_player_pausable_changed.new_pausable = newval.b_bool;
168 libvlc_event_send( p_mi->p_event_manager, &event );
173 input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
174 vlc_value_t oldval, vlc_value_t newval,
178 input_thread_t * p_input = (input_thread_t *)p_this;
179 libvlc_media_player_t * p_mi = p_userdata;
180 libvlc_event_t event;
182 assert( !strcmp( psz_cmd, "intf-event" ) );
184 if( newval.i_int == INPUT_EVENT_STATE )
186 libvlc_state_t libvlc_state;
188 switch ( var_GetInteger( p_input, "state" ) )
191 libvlc_state = libvlc_NothingSpecial;
192 event.type = libvlc_MediaPlayerNothingSpecial;
195 libvlc_state = libvlc_Opening;
196 event.type = libvlc_MediaPlayerOpening;
199 libvlc_state = libvlc_Playing;
200 event.type = libvlc_MediaPlayerPlaying;
203 libvlc_state = libvlc_Paused;
204 event.type = libvlc_MediaPlayerPaused;
207 libvlc_state = libvlc_Ended;
208 event.type = libvlc_MediaPlayerEndReached;
211 libvlc_state = libvlc_Error;
212 event.type = libvlc_MediaPlayerEncounteredError;
219 libvlc_media_set_state( p_mi->p_md, libvlc_state, NULL );
220 libvlc_event_send( p_mi->p_event_manager, &event );
222 else if( newval.i_int == INPUT_EVENT_TIMES )
224 if( var_GetInteger( p_input, "state" ) != PLAYING_S )
225 return VLC_SUCCESS; /* Don't send the position while stopped */
228 event.type = libvlc_MediaPlayerPositionChanged;
229 event.u.media_player_position_changed.new_position =
230 var_GetFloat( p_input, "position" );
231 libvlc_event_send( p_mi->p_event_manager, &event );
234 event.type = libvlc_MediaPlayerTimeChanged;
235 event.u.media_player_time_changed.new_time =
236 var_GetTime( p_input, "time" );
237 libvlc_event_send( p_mi->p_event_manager, &event );
244 /**************************************************************************
245 * Create a Media Instance object.
248 * - All items created by _new start with a refcount set to 1.
249 * - Accessor _release decrease the refcount by 1, if after that
250 * operation the refcount is 0, the object is destroyed.
251 * - Accessor _retain increase the refcount by 1 (XXX: to implement)
253 * Object locking strategy:
254 * - No lock held while in constructor.
255 * - When accessing any member variable this lock is held. (XXX who locks?)
256 * - When attempting to destroy the object the lock is also held.
257 **************************************************************************/
258 libvlc_media_player_t *
259 libvlc_media_player_new( libvlc_instance_t * p_libvlc_instance,
260 libvlc_exception_t * p_e )
262 libvlc_media_player_t * p_mi;
264 if( !p_libvlc_instance )
266 libvlc_exception_raise( p_e, "invalid libvlc instance" );
270 p_mi = malloc( sizeof(libvlc_media_player_t) );
273 libvlc_exception_raise( p_e, "Not enough memory" );
277 p_mi->drawable.agl = 0;
278 p_mi->drawable.xid = 0;
279 p_mi->drawable.hwnd = NULL;
280 p_mi->drawable.nsobject = NULL;
281 p_mi->p_libvlc_instance = p_libvlc_instance;
282 p_mi->p_input_thread = NULL;
283 p_mi->i_refcount = 1;
284 p_mi->b_own_its_input_thread = true;
285 vlc_mutex_init( &p_mi->object_lock );
286 p_mi->p_event_manager = libvlc_event_manager_new( p_mi,
287 p_libvlc_instance, p_e );
288 if( libvlc_exception_raised( p_e ) )
290 vlc_mutex_destroy( &p_mi->object_lock );
295 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
296 libvlc_MediaPlayerNothingSpecial, p_e );
297 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
298 libvlc_MediaPlayerOpening, p_e );
299 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
300 libvlc_MediaPlayerBuffering, p_e );
301 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
302 libvlc_MediaPlayerPlaying, p_e );
303 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
304 libvlc_MediaPlayerPaused, p_e );
305 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
306 libvlc_MediaPlayerStopped, p_e );
307 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
308 libvlc_MediaPlayerForward, p_e );
309 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
310 libvlc_MediaPlayerBackward, p_e );
311 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
312 libvlc_MediaPlayerEndReached, p_e );
313 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
314 libvlc_MediaPlayerEncounteredError, p_e );
316 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
317 libvlc_MediaPlayerPositionChanged, p_e );
318 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
319 libvlc_MediaPlayerTimeChanged, p_e );
320 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
321 libvlc_MediaPlayerTitleChanged, p_e );
322 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
323 libvlc_MediaPlayerSeekableChanged, p_e );
324 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
325 libvlc_MediaPlayerPausableChanged, p_e );
327 /* Snapshot initialization */
328 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
329 libvlc_MediaPlayerSnapshotTaken, p_e );
331 /* Attach a var callback to the global object to provide the glue between
332 vout_thread that generates the event and media_player that re-emits it
333 with its own event manager
335 var_Create( p_libvlc_instance->p_libvlc_int, "vout-snapshottaken",
336 VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
337 var_AddCallback( p_libvlc_instance->p_libvlc_int, "vout-snapshottaken",
338 SnapshotTakenCallback, p_mi );
343 /**************************************************************************
344 * Create a Media Instance object with a media descriptor.
345 **************************************************************************/
346 libvlc_media_player_t *
347 libvlc_media_player_new_from_media(
348 libvlc_media_t * p_md,
349 libvlc_exception_t *p_e )
351 libvlc_media_player_t * p_mi;
353 p_mi = libvlc_media_player_new( p_md->p_libvlc_instance, p_e );
357 libvlc_media_retain( p_md );
363 /**************************************************************************
364 * Create a new media instance object from an input_thread (Libvlc Internal).
365 **************************************************************************/
366 libvlc_media_player_t * libvlc_media_player_new_from_input_thread(
367 struct libvlc_instance_t *p_libvlc_instance,
368 input_thread_t *p_input,
369 libvlc_exception_t *p_e )
371 libvlc_media_player_t * p_mi;
375 libvlc_exception_raise( p_e, "invalid input thread" );
379 p_mi = libvlc_media_player_new( p_libvlc_instance, p_e );
383 p_mi->p_md = libvlc_media_new_from_input_item(
385 input_GetItem( p_input ), p_e );
388 libvlc_media_player_destroy( p_mi );
392 /* will be released in media_player_release() */
393 vlc_object_hold( p_input );
395 p_mi->p_input_thread = p_input;
396 p_mi->b_own_its_input_thread = false;
401 /**************************************************************************
402 * Destroy a Media Instance object (libvlc internal)
404 * Warning: No lock held here, but hey, this is internal. Caller must lock.
405 **************************************************************************/
406 void libvlc_media_player_destroy( libvlc_media_player_t *p_mi )
408 input_thread_t *p_input_thread;
409 libvlc_exception_t p_e;
414 libvlc_exception_init( &p_e );
416 /* Detach Callback from the main libvlc object */
417 var_DelCallback( p_mi->p_libvlc_instance->p_libvlc_int,
418 "vout-snapshottaken", SnapshotTakenCallback, p_mi );
420 p_input_thread = libvlc_get_input_thread( p_mi, &p_e );
422 if( libvlc_exception_raised( &p_e ) )
424 libvlc_event_manager_release( p_mi->p_event_manager );
425 libvlc_exception_clear( &p_e );
427 return; /* no need to worry about no input thread */
429 vlc_mutex_destroy( &p_mi->object_lock );
431 vlc_object_release( p_input_thread );
433 libvlc_media_release( p_mi->p_md );
438 /**************************************************************************
439 * Release a Media Instance object.
441 * Function does the locking.
442 **************************************************************************/
443 void libvlc_media_player_release( libvlc_media_player_t *p_mi )
448 vlc_mutex_lock( &p_mi->object_lock );
452 if( p_mi->i_refcount > 0 )
454 vlc_mutex_unlock( &p_mi->object_lock );
457 vlc_mutex_unlock( &p_mi->object_lock );
458 vlc_mutex_destroy( &p_mi->object_lock );
460 release_input_thread( p_mi, true );
462 libvlc_event_manager_release( p_mi->p_event_manager );
464 libvlc_media_release( p_mi->p_md );
469 /**************************************************************************
470 * Retain a Media Instance object.
472 * Caller must hold the lock.
473 **************************************************************************/
474 void libvlc_media_player_retain( libvlc_media_player_t *p_mi )
478 vlc_mutex_lock( &p_mi->object_lock );
480 vlc_mutex_unlock( &p_mi->object_lock );
483 /**************************************************************************
484 * Set the Media descriptor associated with the instance.
486 * Enter without lock -- function will lock the object.
487 **************************************************************************/
488 void libvlc_media_player_set_media(
489 libvlc_media_player_t *p_mi,
490 libvlc_media_t *p_md,
491 libvlc_exception_t *p_e )
498 vlc_mutex_lock( &p_mi->object_lock );
500 /* FIXME I am not sure if it is a user request or on die(eof/error)
502 release_input_thread( p_mi,
503 p_mi->p_input_thread &&
504 !p_mi->p_input_thread->b_eof &&
505 !p_mi->p_input_thread->b_error );
508 libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, p_e );
510 libvlc_media_release( p_mi->p_md );
515 vlc_mutex_unlock( &p_mi->object_lock );
516 return; /* It is ok to pass a NULL md */
519 libvlc_media_retain( p_md );
522 /* The policy here is to ignore that we were created using a different
523 * libvlc_instance, because we don't really care */
524 p_mi->p_libvlc_instance = p_md->p_libvlc_instance;
526 vlc_mutex_unlock( &p_mi->object_lock );
529 /**************************************************************************
530 * Get the Media descriptor associated with the instance.
531 **************************************************************************/
533 libvlc_media_player_get_media(
534 libvlc_media_player_t *p_mi,
535 libvlc_exception_t *p_e )
542 libvlc_media_retain( p_mi->p_md );
546 /**************************************************************************
547 * Get the event Manager.
548 **************************************************************************/
549 libvlc_event_manager_t *
550 libvlc_media_player_event_manager(
551 libvlc_media_player_t *p_mi,
552 libvlc_exception_t *p_e )
556 return p_mi->p_event_manager;
559 /**************************************************************************
560 * Trigger a snapshot Taken Event.
561 *************************************************************************/
562 static int SnapshotTakenCallback( vlc_object_t *p_this, char const *psz_cmd,
563 vlc_value_t oldval, vlc_value_t newval, void *p_data )
565 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
568 libvlc_media_player_t* p_mi = (libvlc_media_player_t*) p_data ;
569 libvlc_event_t event ;
570 event.type = libvlc_MediaPlayerSnapshotTaken ;
571 event.u.media_player_snapshot_taken.psz_filename = newval.psz_string ;
572 /* Snapshot psz data is a vlc_variable owned by libvlc object .
573 Its memmory management is taken care by the obj*/
574 msg_Dbg( p_this, "about to emit libvlc_snapshot_taken.make psz_str=0x%p"
575 " (%s)", event.u.media_player_snapshot_taken.psz_filename,
576 event.u.media_player_snapshot_taken.psz_filename );
577 libvlc_event_send( p_mi->p_event_manager, &event );
582 /**************************************************************************
583 * Tell media player to start playing.
584 **************************************************************************/
585 void libvlc_media_player_play( libvlc_media_player_t *p_mi,
586 libvlc_exception_t *p_e )
588 input_thread_t * p_input_thread;
590 if( (p_input_thread = libvlc_get_input_thread( p_mi, p_e )) )
592 /* A thread already exists, send it a play message */
593 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
594 vlc_object_release( p_input_thread );
598 /* Ignore previous exception */
599 libvlc_exception_clear( p_e );
601 vlc_mutex_lock( &p_mi->object_lock );
605 libvlc_exception_raise( p_e, "no associated media descriptor" );
606 vlc_mutex_unlock( &p_mi->object_lock );
610 p_mi->p_input_thread = input_Create( p_mi->p_libvlc_instance->p_libvlc_int,
611 p_mi->p_md->p_input_item, NULL, NULL );
613 if( !p_mi->p_input_thread )
615 vlc_mutex_unlock( &p_mi->object_lock );
619 p_input_thread = p_mi->p_input_thread;
621 var_Create( p_input_thread, "drawable-agl", VLC_VAR_INTEGER );
622 if( p_mi->drawable.agl )
623 var_SetInteger( p_input_thread, "drawable-agl", p_mi->drawable.agl );
625 var_Create( p_input_thread, "drawable-xid", VLC_VAR_INTEGER );
626 if( p_mi->drawable.xid )
627 var_SetInteger( p_input_thread, "drawable-xid", p_mi->drawable.xid );
629 var_Create( p_input_thread, "drawable-hwnd", VLC_VAR_ADDRESS );
630 if( p_mi->drawable.hwnd != NULL )
632 vlc_value_t val = { .p_address = p_mi->drawable.hwnd };
633 var_Set( p_input_thread, "drawable-hwnd", val );
636 var_Create( p_input_thread, "drawable-nsobject", VLC_VAR_ADDRESS );
637 if( p_mi->drawable.nsobject != NULL )
639 vlc_value_t val = { .p_address = p_mi->drawable.nsobject };
640 var_Set( p_input_thread, "drawable-nsobject", val );
643 var_AddCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
644 var_AddCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
645 var_AddCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
647 if( input_Start( p_input_thread ) )
649 vlc_object_release( p_input_thread );
650 p_mi->p_input_thread = NULL;
653 vlc_mutex_unlock( &p_mi->object_lock );
656 /**************************************************************************
658 **************************************************************************/
659 void libvlc_media_player_pause( libvlc_media_player_t *p_mi,
660 libvlc_exception_t *p_e )
662 input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi, p_e );
663 if( !p_input_thread )
666 libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e );
667 if( state == libvlc_Playing || state == libvlc_Buffering )
669 if( libvlc_media_player_can_pause( p_mi, p_e ) )
670 input_Control( p_input_thread, INPUT_SET_STATE, PAUSE_S );
672 libvlc_media_player_stop( p_mi, p_e );
675 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
677 vlc_object_release( p_input_thread );
680 /**************************************************************************
681 * Tells whether the media player is currently playing.
683 * Enter with lock held.
684 **************************************************************************/
685 int libvlc_media_player_is_playing( libvlc_media_player_t *p_mi,
686 libvlc_exception_t *p_e )
688 libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e );
689 return (libvlc_Playing == state) || (libvlc_Buffering == state);
692 /**************************************************************************
694 **************************************************************************/
695 void libvlc_media_player_stop( libvlc_media_player_t *p_mi,
696 libvlc_exception_t *p_e )
698 libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e );
700 if( state == libvlc_Playing ||
701 state == libvlc_Paused ||
702 state == libvlc_Buffering )
704 /* Send a stop notification event only if we are in playing,
705 * buffering or paused states */
706 libvlc_media_set_state( p_mi->p_md, libvlc_Ended, p_e );
708 /* Construct and send the event */
709 libvlc_event_t event;
710 event.type = libvlc_MediaPlayerStopped;
711 libvlc_event_send( p_mi->p_event_manager, &event );
714 if( p_mi->b_own_its_input_thread )
716 vlc_mutex_lock( &p_mi->object_lock );
717 release_input_thread( p_mi, true ); /* This will stop the input thread */
718 vlc_mutex_unlock( &p_mi->object_lock );
722 input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi, p_e );
724 if( !p_input_thread )
727 input_Stop( p_input_thread, true );
728 vlc_object_release( p_input_thread );
729 p_mi->p_input_thread = NULL;
733 /**************************************************************************
735 **************************************************************************/
736 void libvlc_media_player_set_nsobject( libvlc_media_player_t *p_mi,
738 libvlc_exception_t *p_e )
741 p_mi->drawable.nsobject = drawable;
744 /**************************************************************************
746 **************************************************************************/
747 uint32_t libvlc_media_player_get_nsobject( libvlc_media_player_t *p_mi )
749 return p_mi->drawable.nsobject;
752 /**************************************************************************
754 **************************************************************************/
755 void libvlc_media_player_set_agl( libvlc_media_player_t *p_mi,
757 libvlc_exception_t *p_e )
760 p_mi->drawable.agl = drawable;
763 /**************************************************************************
765 **************************************************************************/
766 uint32_t libvlc_media_player_get_agl( libvlc_media_player_t *p_mi )
768 return p_mi->drawable.agl;
771 /**************************************************************************
773 **************************************************************************/
774 void libvlc_media_player_set_xwindow( libvlc_media_player_t *p_mi,
776 libvlc_exception_t *p_e )
779 p_mi->drawable.xid = drawable;
782 /**************************************************************************
784 **************************************************************************/
785 uint32_t libvlc_media_player_get_xwindow( libvlc_media_player_t *p_mi )
787 return p_mi->drawable.xid;
790 /**************************************************************************
792 **************************************************************************/
793 void libvlc_media_player_set_hwnd( libvlc_media_player_t *p_mi,
795 libvlc_exception_t *p_e )
798 p_mi->drawable.hwnd = drawable;
801 /**************************************************************************
803 **************************************************************************/
804 void *libvlc_media_player_get_hwnd( libvlc_media_player_t *p_mi )
806 return p_mi->drawable.hwnd;
809 /**************************************************************************
811 **************************************************************************/
812 void libvlc_media_player_set_drawable( libvlc_media_player_t *p_mi,
813 libvlc_drawable_t drawable,
814 libvlc_exception_t *p_e )
817 if (sizeof (HWND) <= sizeof (libvlc_drawable_t))
818 p_mi->drawable.hwnd = (HWND)drawable;
820 libvlc_exception_raise(p_e, "Operation not supported");
821 #elif defined(__APPLE__)
822 p_mi->drawable.agl = drawable;
825 p_mi->drawable.xid = drawable;
830 /**************************************************************************
832 **************************************************************************/
834 libvlc_media_player_get_drawable ( libvlc_media_player_t *p_mi,
835 libvlc_exception_t *p_e )
840 if (sizeof (HWND) <= sizeof (libvlc_drawable_t))
841 return (libvlc_drawable_t)p_mi->drawable.hwnd;
844 #elif defined(__APPLE__)
845 return p_mi->drawable.agl;
847 return p_mi->drawable.xid;
851 /**************************************************************************
852 * Getters for stream information
853 **************************************************************************/
854 libvlc_time_t libvlc_media_player_get_length(
855 libvlc_media_player_t *p_mi,
856 libvlc_exception_t *p_e )
858 input_thread_t *p_input_thread;
861 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
862 if( !p_input_thread )
865 var_Get( p_input_thread, "length", &val );
866 vlc_object_release( p_input_thread );
868 return (val.i_time+500LL)/1000LL;
871 libvlc_time_t libvlc_media_player_get_time(
872 libvlc_media_player_t *p_mi,
873 libvlc_exception_t *p_e )
875 input_thread_t *p_input_thread;
878 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
879 if( !p_input_thread )
882 var_Get( p_input_thread , "time", &val );
883 vlc_object_release( p_input_thread );
884 return (val.i_time+500LL)/1000LL;
887 void libvlc_media_player_set_time(
888 libvlc_media_player_t *p_mi,
890 libvlc_exception_t *p_e )
892 input_thread_t *p_input_thread;
894 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
895 if( !p_input_thread )
898 var_SetTime( p_input_thread, "time", time*1000LL );
899 vlc_object_release( p_input_thread );
902 void libvlc_media_player_set_position(
903 libvlc_media_player_t *p_mi,
905 libvlc_exception_t *p_e )
907 input_thread_t *p_input_thread;
909 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
910 if( !p_input_thread )
913 var_SetFloat( p_input_thread, "position", position );
914 vlc_object_release( p_input_thread );
917 float libvlc_media_player_get_position(
918 libvlc_media_player_t *p_mi,
919 libvlc_exception_t *p_e )
921 input_thread_t *p_input_thread;
924 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
925 if( !p_input_thread )
928 var_Get( p_input_thread, "position", &val );
929 vlc_object_release( p_input_thread );
934 void libvlc_media_player_set_chapter(
935 libvlc_media_player_t *p_mi,
937 libvlc_exception_t *p_e )
939 input_thread_t *p_input_thread;
941 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
942 if( !p_input_thread )
945 var_SetInteger( p_input_thread, "chapter", chapter );
946 vlc_object_release( p_input_thread );
949 int libvlc_media_player_get_chapter(
950 libvlc_media_player_t *p_mi,
951 libvlc_exception_t *p_e )
953 input_thread_t *p_input_thread;
956 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
957 if( !p_input_thread )
960 var_Get( p_input_thread, "chapter", &val );
961 vlc_object_release( p_input_thread );
966 int libvlc_media_player_get_chapter_count(
967 libvlc_media_player_t *p_mi,
968 libvlc_exception_t *p_e )
970 input_thread_t *p_input_thread;
973 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
974 if( !p_input_thread )
977 var_Change( p_input_thread, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
978 vlc_object_release( p_input_thread );
983 int libvlc_media_player_get_chapter_count_for_title(
984 libvlc_media_player_t *p_mi,
986 libvlc_exception_t *p_e )
988 input_thread_t *p_input_thread;
991 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
992 if( !p_input_thread )
996 if( asprintf( &psz_name, "title %2i", i_title ) == -1 )
998 vlc_object_release( p_input_thread );
1001 var_Change( p_input_thread, psz_name, VLC_VAR_CHOICESCOUNT, &val, NULL );
1002 vlc_object_release( p_input_thread );
1008 void libvlc_media_player_set_title(
1009 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 var_SetInteger( p_input_thread, "title", i_title );
1020 vlc_object_release( p_input_thread );
1023 libvlc_event_t event;
1024 event.type = libvlc_MediaPlayerTitleChanged;
1025 event.u.media_player_title_changed.new_title = i_title;
1026 libvlc_event_send( p_mi->p_event_manager, &event );
1029 int libvlc_media_player_get_title(
1030 libvlc_media_player_t *p_mi,
1031 libvlc_exception_t *p_e )
1033 input_thread_t *p_input_thread;
1036 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1037 if( !p_input_thread )
1040 var_Get( p_input_thread, "title", &val );
1041 vlc_object_release( p_input_thread );
1046 int libvlc_media_player_get_title_count(
1047 libvlc_media_player_t *p_mi,
1048 libvlc_exception_t *p_e )
1050 input_thread_t *p_input_thread;
1053 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1054 if( !p_input_thread )
1057 var_Change( p_input_thread, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
1058 vlc_object_release( p_input_thread );
1063 void libvlc_media_player_next_chapter(
1064 libvlc_media_player_t *p_mi,
1065 libvlc_exception_t *p_e )
1067 input_thread_t *p_input_thread;
1069 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
1070 if( !p_input_thread )
1073 int i_type = var_Type( p_input_thread, "next-chapter" );
1074 var_SetBool( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1075 "next-chapter":"next-title", true );
1077 vlc_object_release( p_input_thread );
1080 void libvlc_media_player_previous_chapter(
1081 libvlc_media_player_t *p_mi,
1082 libvlc_exception_t *p_e )
1084 input_thread_t *p_input_thread;
1086 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
1087 if( !p_input_thread )
1090 int i_type = var_Type( p_input_thread, "next-chapter" );
1091 var_SetBool( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1092 "prev-chapter":"prev-title", true );
1094 vlc_object_release( p_input_thread );
1097 float libvlc_media_player_get_fps(
1098 libvlc_media_player_t *p_mi,
1099 libvlc_exception_t *p_e)
1101 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1104 if( p_input_thread )
1106 if( input_Control( p_input_thread, INPUT_GET_VIDEO_FPS, &f_fps ) )
1108 vlc_object_release( p_input_thread );
1113 int libvlc_media_player_will_play( libvlc_media_player_t *p_mi,
1114 libvlc_exception_t *p_e)
1116 input_thread_t *p_input_thread =
1117 libvlc_get_input_thread ( p_mi, p_e);
1118 if ( !p_input_thread )
1121 if ( !p_input_thread->b_die && !p_input_thread->b_dead )
1123 vlc_object_release( p_input_thread );
1126 vlc_object_release( p_input_thread );
1130 void libvlc_media_player_set_rate(
1131 libvlc_media_player_t *p_mi,
1133 libvlc_exception_t *p_e )
1135 input_thread_t *p_input_thread;
1138 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1139 if( !p_input_thread )
1142 b_can_rewind = var_GetBool( p_input_thread, "can-rewind" );
1143 if( (rate < 0.0) && !b_can_rewind )
1145 vlc_object_release( p_input_thread );
1146 libvlc_exception_raise( p_e, "Rate value is invalid" );
1150 var_SetInteger( p_input_thread, "rate", 1000.0f/rate );
1151 vlc_object_release( p_input_thread );
1154 float libvlc_media_player_get_rate(
1155 libvlc_media_player_t *p_mi,
1156 libvlc_exception_t *p_e )
1158 input_thread_t *p_input_thread;
1162 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1163 if( !p_input_thread )
1164 return 0.0; /* rate < 0 indicates rewind */
1166 var_Get( p_input_thread, "rate", &val );
1167 b_can_rewind = var_GetBool( p_input_thread, "can-rewind" );
1168 if( (val.i_int < 0) && !b_can_rewind )
1170 libvlc_exception_raise( p_e, "invalid rate" );
1173 vlc_object_release( p_input_thread );
1175 return (float)1000.0f/val.i_int;
1178 libvlc_state_t libvlc_media_player_get_state(
1179 libvlc_media_player_t *p_mi,
1180 libvlc_exception_t *p_e )
1182 input_thread_t *p_input_thread;
1183 libvlc_state_t state = libvlc_Ended;
1186 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1187 if( !p_input_thread )
1189 /* We do return the right value, no need to throw an exception */
1190 if( libvlc_exception_raised( p_e ) )
1191 libvlc_exception_clear( p_e );
1195 var_Get( p_input_thread, "state", &val );
1196 state = vlc_to_libvlc_state(val.i_int);
1198 if( state == libvlc_Playing )
1201 caching = var_GetFloat( p_input_thread, "cache" );
1202 if( caching > 0.0 && caching < 1.0 )
1203 state = libvlc_Buffering;
1205 vlc_object_release( p_input_thread );
1209 int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi,
1210 libvlc_exception_t *p_e )
1212 input_thread_t *p_input_thread;
1215 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1216 if ( !p_input_thread )
1218 /* We do return the right value, no need to throw an exception */
1219 if( libvlc_exception_raised( p_e ) )
1220 libvlc_exception_clear( p_e );
1223 var_Get( p_input_thread, "can-seek", &val );
1224 vlc_object_release( p_input_thread );
1229 /* internal function, used by audio, video */
1230 libvlc_track_description_t *
1231 libvlc_get_track_description( libvlc_media_player_t *p_mi,
1232 const char *psz_variable,
1233 libvlc_exception_t *p_e )
1235 input_thread_t *p_input = libvlc_get_input_thread( p_mi, p_e );
1240 vlc_value_t val_list, text_list;
1241 var_Change( p_input, psz_variable, VLC_VAR_GETLIST, &val_list, &text_list);
1243 if( val_list.p_list->i_count <= 0 ) /* no tracks */
1245 var_Change( p_input, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list);
1246 vlc_object_release( p_input );
1250 libvlc_track_description_t *p_track_description, *p_actual, *p_previous;
1251 p_track_description = ( libvlc_track_description_t * )
1252 malloc( sizeof( libvlc_track_description_t ) );
1253 if ( !p_track_description )
1255 var_Change( p_input, psz_variable, VLC_VAR_FREELIST,
1256 &val_list, &text_list);
1257 vlc_object_release( p_input );
1258 libvlc_exception_raise( p_e, "no enough memory" );
1261 p_actual = p_track_description;
1263 for( int i = 0; i < val_list.p_list->i_count; i++ )
1267 p_actual = ( libvlc_track_description_t * )
1268 malloc( sizeof( libvlc_track_description_t ) );
1271 libvlc_track_description_release( p_track_description );
1272 var_Change( p_input, psz_variable, VLC_VAR_FREELIST,
1273 &val_list, &text_list);
1274 vlc_object_release( p_input );
1275 libvlc_exception_raise( p_e, "no enough memory" );
1279 p_actual->i_id = val_list.p_list->p_values[i].i_int;
1280 p_actual->psz_name = strdup( text_list.p_list->p_values[i].psz_string );
1281 p_actual->p_next = NULL;
1283 p_previous->p_next = p_actual;
1284 p_previous = p_actual;
1287 var_Change( p_input, psz_variable, VLC_VAR_FREELIST, &val_list, &text_list);
1288 vlc_object_release( p_input );
1290 return p_track_description;
1293 void libvlc_track_description_release( libvlc_track_description_t *p_td )
1295 libvlc_track_description_t *p_actual, *p_before;
1300 free( p_actual->psz_name );
1301 p_before = p_actual;
1302 p_actual = p_before->p_next;
1307 int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi,
1308 libvlc_exception_t *p_e )
1310 input_thread_t *p_input_thread;
1313 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1314 if ( !p_input_thread )
1316 /* We do return the right value, no need to throw an exception */
1317 if( libvlc_exception_raised( p_e ) )
1318 libvlc_exception_clear( p_e );
1321 var_Get( p_input_thread, "can-pause", &val );
1322 vlc_object_release( p_input_thread );