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 *****************************************************************************/
30 #include <vlc/libvlc.h>
31 #include <vlc/libvlc_media.h>
32 #include <vlc/libvlc_events.h>
34 #include <vlc_demux.h>
35 #include <vlc_input.h>
40 #include "libvlc_internal.h"
41 #include "media_internal.h" // libvlc_media_set_state()
42 #include "media_player_internal.h"
45 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
46 vlc_value_t oldval, vlc_value_t newval,
49 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
50 vlc_value_t oldval, vlc_value_t newval,
53 input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
54 vlc_value_t oldval, vlc_value_t newval,
58 snapshot_was_taken( vlc_object_t *p_this, char const *psz_cmd,
59 vlc_value_t oldval, vlc_value_t newval, void *p_data );
61 static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi );
67 #define register_event(a, b) __register_event(a, libvlc_MediaPlayer ## b)
68 static inline void __register_event(libvlc_media_player_t *mp, libvlc_event_type_t type)
70 libvlc_event_manager_register_event_type(mp->p_event_manager, type);
74 * The input lock protects the input and input resource pointer.
75 * It MUST NOT be used from callbacks.
77 * The object lock protects the reset, namely the media and the player state.
78 * It can, and usually needs to be taken from callbacks.
79 * The object lock can be acquired under the input lock... and consequently
80 * the opposite order is STRICTLY PROHIBITED.
82 static inline void lock(libvlc_media_player_t *mp)
84 vlc_mutex_lock(&mp->object_lock);
87 static inline void unlock(libvlc_media_player_t *mp)
89 vlc_mutex_unlock(&mp->object_lock);
92 static inline void lock_input(libvlc_media_player_t *mp)
94 vlc_mutex_lock(&mp->input.lock);
97 static inline void unlock_input(libvlc_media_player_t *mp)
99 vlc_mutex_unlock(&mp->input.lock);
103 * Release the associated input thread.
105 * Object lock is NOT held.
106 * Input lock is held or instance is being destroyed.
108 static void release_input_thread( libvlc_media_player_t *p_mi, bool b_input_abort )
112 input_thread_t *p_input_thread = p_mi->input.p_thread;
113 if( !p_input_thread )
116 var_DelCallback( p_input_thread, "can-seek",
117 input_seekable_changed, p_mi );
118 var_DelCallback( p_input_thread, "can-pause",
119 input_pausable_changed, p_mi );
120 var_DelCallback( p_input_thread, "intf-event",
121 input_event_changed, p_mi );
123 /* We owned this one */
124 input_Stop( p_input_thread, b_input_abort );
126 vlc_thread_join( p_input_thread );
128 assert( p_input_thread->b_dead );
130 p_mi->input.p_thread = NULL;
131 vlc_object_release( p_input_thread );
135 * Retrieve the input thread. Be sure to release the object
136 * once you are done with it. (libvlc Internal)
138 input_thread_t *libvlc_get_input_thread( libvlc_media_player_t *p_mi )
140 input_thread_t *p_input_thread;
145 p_input_thread = p_mi->input.p_thread;
147 vlc_object_hold( p_input_thread );
149 libvlc_printerr( "No active input" );
152 return p_input_thread;
156 * Set the internal state of the media_player. (media player Internal)
158 * Function will lock the media_player.
160 static void set_state( libvlc_media_player_t *p_mi, libvlc_state_t state,
167 libvlc_media_t *media = p_mi->p_md;
169 libvlc_media_retain(media);
176 // Also set the state of the corresponding media
177 // This is strictly for convenience.
178 libvlc_media_set_state(media, state);
180 libvlc_media_release(media);
185 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
186 vlc_value_t oldval, vlc_value_t newval,
192 libvlc_media_player_t * p_mi = p_userdata;
193 libvlc_event_t event;
195 event.type = libvlc_MediaPlayerSeekableChanged;
196 event.u.media_player_seekable_changed.new_seekable = newval.b_bool;
198 libvlc_event_send( p_mi->p_event_manager, &event );
203 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
204 vlc_value_t oldval, vlc_value_t newval,
210 libvlc_media_player_t * p_mi = p_userdata;
211 libvlc_event_t event;
213 event.type = libvlc_MediaPlayerPausableChanged;
214 event.u.media_player_pausable_changed.new_pausable = newval.b_bool;
216 libvlc_event_send( p_mi->p_event_manager, &event );
221 input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
222 vlc_value_t oldval, vlc_value_t newval,
226 input_thread_t * p_input = (input_thread_t *)p_this;
227 libvlc_media_player_t * p_mi = p_userdata;
228 libvlc_event_t event;
230 assert( !strcmp( psz_cmd, "intf-event" ) );
232 if( newval.i_int == INPUT_EVENT_STATE )
234 libvlc_state_t libvlc_state;
236 switch ( var_GetInteger( p_input, "state" ) )
239 libvlc_state = libvlc_NothingSpecial;
240 event.type = libvlc_MediaPlayerNothingSpecial;
243 libvlc_state = libvlc_Opening;
244 event.type = libvlc_MediaPlayerOpening;
247 libvlc_state = libvlc_Playing;
248 event.type = libvlc_MediaPlayerPlaying;
251 libvlc_state = libvlc_Paused;
252 event.type = libvlc_MediaPlayerPaused;
255 libvlc_state = libvlc_Ended;
256 event.type = libvlc_MediaPlayerEndReached;
259 libvlc_state = libvlc_Error;
260 event.type = libvlc_MediaPlayerEncounteredError;
267 set_state( p_mi, libvlc_state, false );
268 libvlc_event_send( p_mi->p_event_manager, &event );
270 else if( newval.i_int == INPUT_EVENT_ABORT )
272 libvlc_state_t libvlc_state = libvlc_Stopped;
273 event.type = libvlc_MediaPlayerStopped;
275 set_state( p_mi, libvlc_state, false );
276 libvlc_event_send( p_mi->p_event_manager, &event );
278 else if( newval.i_int == INPUT_EVENT_POSITION )
280 if( var_GetInteger( p_input, "state" ) != PLAYING_S )
281 return VLC_SUCCESS; /* Don't send the position while stopped */
284 event.type = libvlc_MediaPlayerPositionChanged;
285 event.u.media_player_position_changed.new_position =
286 var_GetFloat( p_input, "position" );
287 libvlc_event_send( p_mi->p_event_manager, &event );
290 event.type = libvlc_MediaPlayerTimeChanged;
291 event.u.media_player_time_changed.new_time =
292 from_mtime(var_GetTime( p_input, "time" ));
293 libvlc_event_send( p_mi->p_event_manager, &event );
295 else if( newval.i_int == INPUT_EVENT_LENGTH )
297 event.type = libvlc_MediaPlayerLengthChanged;
298 event.u.media_player_length_changed.new_length =
299 from_mtime(var_GetTime( p_input, "length" ));
300 libvlc_event_send( p_mi->p_event_manager, &event );
307 /**************************************************************************
308 * Snapshot Taken Event.
310 * FIXME: This snapshot API interface makes no sense in media_player.
311 *************************************************************************/
312 static int snapshot_was_taken(vlc_object_t *p_this, char const *psz_cmd,
313 vlc_value_t oldval, vlc_value_t newval, void *p_data )
315 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_this);
317 libvlc_media_player_t *mp = p_data;
318 libvlc_event_t event;
319 event.type = libvlc_MediaPlayerSnapshotTaken;
320 event.u.media_player_snapshot_taken.psz_filename = newval.psz_string;
321 libvlc_event_send(mp->p_event_manager, &event);
326 static input_thread_t *find_input (vlc_object_t *obj)
328 libvlc_media_player_t *mp = (libvlc_media_player_t *)obj;
330 return libvlc_get_input_thread (mp);
334 static void libvlc_media_player_destroy( libvlc_media_player_t * );
337 /**************************************************************************
338 * Create a Media Instance object.
341 * - All items created by _new start with a refcount set to 1.
342 * - Accessor _release decrease the refcount by 1, if after that
343 * operation the refcount is 0, the object is destroyed.
344 * - Accessor _retain increase the refcount by 1 (XXX: to implement)
346 * Object locking strategy:
347 * - No lock held while in constructor.
348 * - When accessing any member variable this lock is held. (XXX who locks?)
349 * - When attempting to destroy the object the lock is also held.
350 **************************************************************************/
351 libvlc_media_player_t *
352 libvlc_media_player_new( libvlc_instance_t *instance )
354 libvlc_media_player_t * mp;
358 mp = vlc_object_create (instance->p_libvlc_int, sizeof(*mp));
359 if (unlikely(mp == NULL))
361 libvlc_printerr("Not enough memory");
364 vlc_object_attach (mp, mp->p_libvlc);
367 var_Create (mp, "rate", VLC_VAR_FLOAT|VLC_VAR_DOINHERIT);
370 var_Create (mp, "drawable-xid", VLC_VAR_INTEGER);
372 var_Create (mp, "drawable-hwnd", VLC_VAR_ADDRESS);
375 var_Create (mp, "drawable-agl", VLC_VAR_INTEGER);
376 var_Create (mp, "drawable-nsobject", VLC_VAR_ADDRESS);
379 var_Create (mp, "keyboard-events", VLC_VAR_BOOL);
380 var_SetBool (mp, "keyboard-events", true);
381 var_Create (mp, "mouse-events", VLC_VAR_BOOL);
382 var_SetBool (mp, "mouse-events", true);
384 var_Create (mp, "fullscreen", VLC_VAR_BOOL);
385 var_Create (mp, "autoscale", VLC_VAR_BOOL);
386 var_SetBool (mp, "autoscale", true);
387 var_Create (mp, "scale", VLC_VAR_FLOAT);
388 var_SetFloat (mp, "scale", 1.);
389 var_Create (mp, "aspect-ratio", VLC_VAR_STRING);
390 var_Create (mp, "crop", VLC_VAR_STRING);
391 var_Create (mp, "deinterlace", VLC_VAR_INTEGER);
392 var_Create (mp, "deinterlace-mode", VLC_VAR_STRING);
394 var_Create (mp, "vbi-page", VLC_VAR_INTEGER);
396 var_Create (mp, "marq-marquee", VLC_VAR_STRING);
397 var_Create (mp, "marq-color", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
398 var_Create (mp, "marq-opacity", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
399 var_Create (mp, "marq-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
400 var_Create (mp, "marq-refresh", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
401 var_Create (mp, "marq-size", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
402 var_Create (mp, "marq-timeout", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
403 var_Create (mp, "marq-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
404 var_Create (mp, "marq-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
406 var_Create (mp, "logo-file", VLC_VAR_STRING);
407 var_Create (mp, "logo-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
408 var_Create (mp, "logo-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
409 var_Create (mp, "logo-delay", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
410 var_Create (mp, "logo-repeat", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
411 var_Create (mp, "logo-opacity", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
412 var_Create (mp, "logo-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
415 var_Create (mp, "aout", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
416 var_Create (mp, "volume-muted", VLC_VAR_BOOL);
417 var_Create (mp, "saved-volume", VLC_VAR_INTEGER);
418 var_Create (mp, "volume-change", VLC_VAR_VOID);
419 var_Create (mp, "find-input-callback", VLC_VAR_ADDRESS);
420 var_SetAddress (mp, "find-input-callback", find_input);
423 mp->state = libvlc_NothingSpecial;
424 mp->p_libvlc_instance = instance;
425 mp->input.p_thread = NULL;
426 mp->input.p_resource = NULL;
427 vlc_mutex_init (&mp->input.lock);
429 mp->p_event_manager = libvlc_event_manager_new(mp, instance);
430 if (unlikely(mp->p_event_manager == NULL))
432 vlc_object_release(mp);
435 vlc_mutex_init(&mp->object_lock);
437 register_event(mp, NothingSpecial);
438 register_event(mp, Opening);
439 register_event(mp, Buffering);
440 register_event(mp, Playing);
441 register_event(mp, Paused);
442 register_event(mp, Stopped);
443 register_event(mp, Forward);
444 register_event(mp, Backward);
445 register_event(mp, EndReached);
446 register_event(mp, EncounteredError);
447 register_event(mp, SeekableChanged);
449 register_event(mp, PositionChanged);
450 register_event(mp, TimeChanged);
451 register_event(mp, LengthChanged);
452 register_event(mp, TitleChanged);
453 register_event(mp, PausableChanged);
455 /* Snapshot initialization */
456 register_event(mp, SnapshotTaken);
458 register_event(mp, MediaChanged);
460 /* Attach a var callback to the global object to provide the glue between
461 * vout_thread that generates the event and media_player that re-emits it
462 * with its own event manager
464 * FIXME: It's unclear why we want to put this in public API, and why we
465 * want to expose it in such a limiting and ugly way.
467 var_AddCallback(mp->p_libvlc, "snapshot-file", snapshot_was_taken, mp);
469 libvlc_retain(instance);
473 /**************************************************************************
474 * Create a Media Instance object with a media descriptor.
475 **************************************************************************/
476 libvlc_media_player_t *
477 libvlc_media_player_new_from_media( libvlc_media_t * p_md )
479 libvlc_media_player_t * p_mi;
481 p_mi = libvlc_media_player_new( p_md->p_libvlc_instance );
485 libvlc_media_retain( p_md );
491 /**************************************************************************
492 * Destroy a Media Instance object (libvlc internal)
494 * Warning: No lock held here, but hey, this is internal. Caller must lock.
495 **************************************************************************/
496 static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi )
500 /* Detach Callback from the main libvlc object */
501 var_DelCallback( p_mi->p_libvlc,
502 "snapshot-file", snapshot_was_taken, p_mi );
504 /* No need for lock_input() because no other threads knows us anymore */
505 if( p_mi->input.p_thread )
506 release_input_thread(p_mi, true);
507 if( p_mi->input.p_resource )
509 input_resource_Delete( p_mi->input.p_resource );
510 p_mi->input.p_resource = NULL;
512 vlc_mutex_destroy( &p_mi->input.lock );
514 libvlc_event_manager_release( p_mi->p_event_manager );
515 libvlc_media_release( p_mi->p_md );
516 vlc_mutex_destroy( &p_mi->object_lock );
518 libvlc_instance_t *instance = p_mi->p_libvlc_instance;
519 vlc_object_release( p_mi );
520 libvlc_release(instance);
523 /**************************************************************************
524 * Release a Media Instance object.
526 * Function does the locking.
527 **************************************************************************/
528 void libvlc_media_player_release( libvlc_media_player_t *p_mi )
534 destroy = !--p_mi->i_refcount;
538 libvlc_media_player_destroy( p_mi );
541 /**************************************************************************
542 * Retain a Media Instance object.
544 * Caller must hold the lock.
545 **************************************************************************/
546 void libvlc_media_player_retain( libvlc_media_player_t *p_mi )
555 /**************************************************************************
556 * Set the Media descriptor associated with the instance.
558 * Enter without lock -- function will lock the object.
559 **************************************************************************/
560 void libvlc_media_player_set_media(
561 libvlc_media_player_t *p_mi,
562 libvlc_media_t *p_md )
566 /* FIXME I am not sure if it is a user request or on die(eof/error)
568 release_input_thread( p_mi,
569 p_mi->input.p_thread &&
570 !p_mi->input.p_thread->b_eof &&
571 !p_mi->input.p_thread->b_error );
574 set_state( p_mi, libvlc_NothingSpecial, true );
575 unlock_input( p_mi );
577 libvlc_media_release( p_mi->p_md );
583 return; /* It is ok to pass a NULL md */
586 libvlc_media_retain( p_md );
589 /* The policy here is to ignore that we were created using a different
590 * libvlc_instance, because we don't really care */
591 p_mi->p_libvlc_instance = p_md->p_libvlc_instance;
595 /* Send an event for the newly available media */
596 libvlc_event_t event;
597 event.type = libvlc_MediaPlayerMediaChanged;
598 event.u.media_player_media_changed.new_media = p_md;
599 libvlc_event_send( p_mi->p_event_manager, &event );
603 /**************************************************************************
604 * Get the Media descriptor associated with the instance.
605 **************************************************************************/
607 libvlc_media_player_get_media( libvlc_media_player_t *p_mi )
614 libvlc_media_retain( p_mi->p_md );
619 /**************************************************************************
620 * Get the event Manager.
621 **************************************************************************/
622 libvlc_event_manager_t *
623 libvlc_media_player_event_manager( libvlc_media_player_t *p_mi )
625 return p_mi->p_event_manager;
628 /**************************************************************************
629 * Tell media player to start playing.
630 **************************************************************************/
631 int libvlc_media_player_play( libvlc_media_player_t *p_mi )
635 input_thread_t *p_input_thread = p_mi->input.p_thread;
638 /* A thread already exists, send it a play message */
639 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
640 unlock_input( p_mi );
644 /* Ignore previous exception */
650 unlock_input( p_mi );
651 libvlc_printerr( "No associated media descriptor" );
655 if( !p_mi->input.p_resource )
656 p_mi->input.p_resource = input_resource_New( VLC_OBJECT( p_mi ) );
657 p_input_thread = input_Create( p_mi, p_mi->p_md->p_input_item, NULL,
658 p_mi->input.p_resource );
660 if( !p_input_thread )
663 libvlc_printerr( "Not enough memory" );
667 var_AddCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
668 var_AddCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
669 var_AddCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
671 if( input_Start( p_input_thread ) )
674 var_DelCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
675 var_DelCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
676 var_DelCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
677 vlc_object_release( p_input_thread );
678 libvlc_printerr( "Input initialization failure" );
681 p_mi->input.p_thread = p_input_thread;
686 /**************************************************************************
688 **************************************************************************/
689 void libvlc_media_player_pause( libvlc_media_player_t *p_mi )
691 input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi );
692 if( !p_input_thread )
695 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
696 if( state == libvlc_Playing || state == libvlc_Buffering )
698 if( libvlc_media_player_can_pause( p_mi ) )
699 input_Control( p_input_thread, INPUT_SET_STATE, PAUSE_S );
701 libvlc_media_player_stop( p_mi );
704 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
706 vlc_object_release( p_input_thread );
709 /**************************************************************************
710 * Tells whether the media player is currently playing.
712 * Enter with lock held.
713 **************************************************************************/
714 int libvlc_media_player_is_playing( libvlc_media_player_t *p_mi )
716 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
717 return (libvlc_Playing == state) || (libvlc_Buffering == state);
720 /**************************************************************************
722 **************************************************************************/
723 void libvlc_media_player_stop( libvlc_media_player_t *p_mi )
725 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
728 release_input_thread( p_mi, true ); /* This will stop the input thread */
730 /* Force to go to stopped state, in case we were in Ended, or Error
732 if( state != libvlc_Stopped )
734 set_state( p_mi, libvlc_Stopped, false );
736 /* Construct and send the event */
737 libvlc_event_t event;
738 event.type = libvlc_MediaPlayerStopped;
739 libvlc_event_send( p_mi->p_event_manager, &event );
742 if( p_mi->input.p_resource != NULL )
743 input_resource_TerminateVout( p_mi->input.p_resource );
747 /**************************************************************************
749 **************************************************************************/
750 void libvlc_media_player_set_nsobject( libvlc_media_player_t *p_mi,
753 assert (p_mi != NULL);
755 var_SetAddress (p_mi, "drawable-nsobject", drawable);
757 (void) p_mi; (void)drawable;
761 /**************************************************************************
763 **************************************************************************/
764 void * libvlc_media_player_get_nsobject( libvlc_media_player_t *p_mi )
766 assert (p_mi != NULL);
768 return var_GetAddress (p_mi, "drawable-nsobject");
774 /**************************************************************************
776 **************************************************************************/
777 void libvlc_media_player_set_agl( libvlc_media_player_t *p_mi,
781 var_SetInteger (p_mi, "drawable-agl", drawable);
783 (void) p_mi; (void)drawable;
787 /**************************************************************************
789 **************************************************************************/
790 uint32_t libvlc_media_player_get_agl( libvlc_media_player_t *p_mi )
792 assert (p_mi != NULL);
794 return var_GetInteger (p_mi, "drawable-agl");
800 /**************************************************************************
802 **************************************************************************/
803 void libvlc_media_player_set_xwindow( libvlc_media_player_t *p_mi,
806 assert (p_mi != NULL);
807 var_SetInteger (p_mi, "drawable-xid", drawable);
810 /**************************************************************************
812 **************************************************************************/
813 uint32_t libvlc_media_player_get_xwindow( libvlc_media_player_t *p_mi )
815 return var_GetInteger (p_mi, "drawable-xid");
818 /**************************************************************************
820 **************************************************************************/
821 void libvlc_media_player_set_hwnd( libvlc_media_player_t *p_mi,
824 assert (p_mi != NULL);
826 var_SetAddress (p_mi, "drawable-hwnd", drawable);
828 (void) p_mi; (void) drawable;
832 /**************************************************************************
834 **************************************************************************/
835 void *libvlc_media_player_get_hwnd( libvlc_media_player_t *p_mi )
837 assert (p_mi != NULL);
839 return var_GetAddress (p_mi, "drawable-hwnd");
845 /**************************************************************************
846 * Getters for stream information
847 **************************************************************************/
848 libvlc_time_t libvlc_media_player_get_length(
849 libvlc_media_player_t *p_mi )
851 input_thread_t *p_input_thread;
852 libvlc_time_t i_time;
854 p_input_thread = libvlc_get_input_thread ( p_mi );
855 if( !p_input_thread )
858 i_time = from_mtime(var_GetTime( p_input_thread, "length" ));
859 vlc_object_release( p_input_thread );
864 libvlc_time_t libvlc_media_player_get_time( libvlc_media_player_t *p_mi )
866 input_thread_t *p_input_thread;
867 libvlc_time_t i_time;
869 p_input_thread = libvlc_get_input_thread ( p_mi );
870 if( !p_input_thread )
873 i_time = from_mtime(var_GetTime( p_input_thread , "time" ));
874 vlc_object_release( p_input_thread );
878 void libvlc_media_player_set_time( libvlc_media_player_t *p_mi,
879 libvlc_time_t i_time )
881 input_thread_t *p_input_thread;
883 p_input_thread = libvlc_get_input_thread ( p_mi );
884 if( !p_input_thread )
887 var_SetTime( p_input_thread, "time", to_mtime(i_time) );
888 vlc_object_release( p_input_thread );
891 void libvlc_media_player_set_position( libvlc_media_player_t *p_mi,
894 input_thread_t *p_input_thread;
896 p_input_thread = libvlc_get_input_thread ( p_mi );
897 if( !p_input_thread )
900 var_SetFloat( p_input_thread, "position", position );
901 vlc_object_release( p_input_thread );
904 float libvlc_media_player_get_position( libvlc_media_player_t *p_mi )
906 input_thread_t *p_input_thread;
909 p_input_thread = libvlc_get_input_thread ( p_mi );
910 if( !p_input_thread )
913 f_position = var_GetFloat( p_input_thread, "position" );
914 vlc_object_release( p_input_thread );
919 void libvlc_media_player_set_chapter( libvlc_media_player_t *p_mi,
922 input_thread_t *p_input_thread;
924 p_input_thread = libvlc_get_input_thread ( p_mi );
925 if( !p_input_thread )
928 var_SetInteger( p_input_thread, "chapter", chapter );
929 vlc_object_release( p_input_thread );
932 int libvlc_media_player_get_chapter( libvlc_media_player_t *p_mi )
934 input_thread_t *p_input_thread;
937 p_input_thread = libvlc_get_input_thread ( p_mi );
938 if( !p_input_thread )
941 i_chapter = var_GetInteger( p_input_thread, "chapter" );
942 vlc_object_release( p_input_thread );
947 int libvlc_media_player_get_chapter_count( libvlc_media_player_t *p_mi )
949 input_thread_t *p_input_thread;
952 p_input_thread = libvlc_get_input_thread ( p_mi );
953 if( !p_input_thread )
956 var_Change( p_input_thread, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
957 vlc_object_release( p_input_thread );
962 int libvlc_media_player_get_chapter_count_for_title(
963 libvlc_media_player_t *p_mi,
966 input_thread_t *p_input_thread;
969 p_input_thread = libvlc_get_input_thread ( p_mi );
970 if( !p_input_thread )
974 if( asprintf( &psz_name, "title %2i", i_title ) == -1 )
976 vlc_object_release( p_input_thread );
979 var_Change( p_input_thread, psz_name, VLC_VAR_CHOICESCOUNT, &val, NULL );
980 vlc_object_release( p_input_thread );
986 void libvlc_media_player_set_title( libvlc_media_player_t *p_mi,
989 input_thread_t *p_input_thread;
991 p_input_thread = libvlc_get_input_thread ( p_mi );
992 if( !p_input_thread )
995 var_SetInteger( p_input_thread, "title", i_title );
996 vlc_object_release( p_input_thread );
999 libvlc_event_t event;
1000 event.type = libvlc_MediaPlayerTitleChanged;
1001 event.u.media_player_title_changed.new_title = i_title;
1002 libvlc_event_send( p_mi->p_event_manager, &event );
1005 int libvlc_media_player_get_title( libvlc_media_player_t *p_mi )
1007 input_thread_t *p_input_thread;
1010 p_input_thread = libvlc_get_input_thread ( p_mi );
1011 if( !p_input_thread )
1014 i_title = var_GetInteger( p_input_thread, "title" );
1015 vlc_object_release( p_input_thread );
1020 int libvlc_media_player_get_title_count( libvlc_media_player_t *p_mi )
1022 input_thread_t *p_input_thread;
1025 p_input_thread = libvlc_get_input_thread ( p_mi );
1026 if( !p_input_thread )
1029 var_Change( p_input_thread, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
1030 vlc_object_release( p_input_thread );
1035 void libvlc_media_player_next_chapter( libvlc_media_player_t *p_mi )
1037 input_thread_t *p_input_thread;
1039 p_input_thread = libvlc_get_input_thread ( p_mi );
1040 if( !p_input_thread )
1043 int i_type = var_Type( p_input_thread, "next-chapter" );
1044 var_SetBool( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1045 "next-chapter":"next-title", true );
1047 vlc_object_release( p_input_thread );
1050 void libvlc_media_player_previous_chapter( libvlc_media_player_t *p_mi )
1052 input_thread_t *p_input_thread;
1054 p_input_thread = libvlc_get_input_thread ( p_mi );
1055 if( !p_input_thread )
1058 int i_type = var_Type( p_input_thread, "next-chapter" );
1059 var_SetBool( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1060 "prev-chapter":"prev-title", true );
1062 vlc_object_release( p_input_thread );
1065 float libvlc_media_player_get_fps( libvlc_media_player_t *p_mi )
1067 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1070 if( p_input_thread )
1072 if( input_Control( p_input_thread, INPUT_GET_VIDEO_FPS, &f_fps ) )
1074 vlc_object_release( p_input_thread );
1079 int libvlc_media_player_will_play( libvlc_media_player_t *p_mi )
1082 input_thread_t *p_input_thread =
1083 libvlc_get_input_thread ( p_mi );
1084 if ( !p_input_thread )
1087 b_will_play = !p_input_thread->b_die && !p_input_thread->b_dead;
1088 vlc_object_release( p_input_thread );
1093 int libvlc_media_player_set_rate( libvlc_media_player_t *p_mi, float rate )
1097 libvlc_printerr ("Playing backward not supported");
1101 var_SetFloat (p_mi, "rate", rate);
1103 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1104 if( !p_input_thread )
1106 var_SetFloat( p_input_thread, "rate", rate );
1107 vlc_object_release( p_input_thread );
1111 float libvlc_media_player_get_rate( libvlc_media_player_t *p_mi )
1113 return var_GetFloat (p_mi, "rate");
1116 libvlc_state_t libvlc_media_player_get_state( libvlc_media_player_t *p_mi )
1119 libvlc_state_t state = p_mi->state;
1124 int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi )
1126 input_thread_t *p_input_thread;
1129 p_input_thread = libvlc_get_input_thread ( p_mi );
1130 if ( !p_input_thread )
1132 b_seekable = var_GetBool( p_input_thread, "can-seek" );
1133 vlc_object_release( p_input_thread );
1138 /* internal function, used by audio, video */
1139 libvlc_track_description_t *
1140 libvlc_get_track_description( libvlc_media_player_t *p_mi,
1141 const char *psz_variable )
1143 input_thread_t *p_input = libvlc_get_input_thread( p_mi );
1144 libvlc_track_description_t *p_track_description = NULL,
1145 *p_actual, *p_previous;
1150 vlc_value_t val_list, text_list;
1151 var_Change( p_input, psz_variable, VLC_VAR_GETLIST, &val_list, &text_list);
1154 if( val_list.p_list->i_count <= 0 )
1157 p_track_description = ( libvlc_track_description_t * )
1158 malloc( sizeof( libvlc_track_description_t ) );
1159 if ( !p_track_description )
1161 libvlc_printerr( "Not enough memory" );
1164 p_actual = p_track_description;
1166 for( int i = 0; i < val_list.p_list->i_count; i++ )
1170 p_actual = ( libvlc_track_description_t * )
1171 malloc( sizeof( libvlc_track_description_t ) );
1174 libvlc_track_description_release( p_track_description );
1175 libvlc_printerr( "Not enough memory" );
1179 p_actual->i_id = val_list.p_list->p_values[i].i_int;
1180 p_actual->psz_name = strdup( text_list.p_list->p_values[i].psz_string );
1181 p_actual->p_next = NULL;
1183 p_previous->p_next = p_actual;
1184 p_previous = p_actual;
1189 var_FreeList( &val_list, &text_list );
1190 vlc_object_release( p_input );
1192 return p_track_description;
1195 void libvlc_track_description_release( libvlc_track_description_t *p_td )
1197 libvlc_track_description_t *p_actual, *p_before;
1202 free( p_actual->psz_name );
1203 p_before = p_actual;
1204 p_actual = p_before->p_next;
1209 int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi )
1211 input_thread_t *p_input_thread;
1214 p_input_thread = libvlc_get_input_thread ( p_mi );
1215 if ( !p_input_thread )
1217 b_can_pause = var_GetBool( p_input_thread, "can-pause" );
1218 vlc_object_release( p_input_thread );
1223 void libvlc_media_player_next_frame( libvlc_media_player_t *p_mi )
1225 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1226 if( p_input_thread != NULL )
1228 var_TriggerCallback( p_input_thread, "frame-next" );
1229 vlc_object_release( p_input_thread );