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>
41 #include "libvlc_internal.h"
42 #include "media_internal.h" // libvlc_media_set_state()
43 #include "media_player_internal.h"
46 * mapping of libvlc_navigate_mode_t to vlc_key_t
48 static const vlc_key_t libvlc_navigate_to_action[] =
50 ACTIONID_NAV_ACTIVATE,
57 static const uint32_t libvlc_navigate_to_action_size = \
58 sizeof( libvlc_navigate_to_action ) / sizeof( libvlc_navigate_to_action[0] );
62 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
63 vlc_value_t oldval, vlc_value_t newval,
66 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
67 vlc_value_t oldval, vlc_value_t newval,
70 input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
71 vlc_value_t oldval, vlc_value_t newval,
75 snapshot_was_taken( vlc_object_t *p_this, char const *psz_cmd,
76 vlc_value_t oldval, vlc_value_t newval, void *p_data );
78 static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi );
84 #define register_event(a, b) __register_event(a, libvlc_MediaPlayer ## b)
85 static inline void __register_event(libvlc_media_player_t *mp, libvlc_event_type_t type)
87 libvlc_event_manager_register_event_type(mp->p_event_manager, type);
91 * The input lock protects the input and input resource pointer.
92 * It MUST NOT be used from callbacks.
94 * The object lock protects the reset, namely the media and the player state.
95 * It can, and usually needs to be taken from callbacks.
96 * The object lock can be acquired under the input lock... and consequently
97 * the opposite order is STRICTLY PROHIBITED.
99 static inline void lock(libvlc_media_player_t *mp)
101 vlc_mutex_lock(&mp->object_lock);
104 static inline void unlock(libvlc_media_player_t *mp)
106 vlc_mutex_unlock(&mp->object_lock);
109 static inline void lock_input(libvlc_media_player_t *mp)
111 vlc_mutex_lock(&mp->input.lock);
114 static inline void unlock_input(libvlc_media_player_t *mp)
116 vlc_mutex_unlock(&mp->input.lock);
120 * Release the associated input thread.
122 * Object lock is NOT held.
123 * Input lock is held or instance is being destroyed.
125 static void release_input_thread( libvlc_media_player_t *p_mi, bool b_input_abort )
129 input_thread_t *p_input_thread = p_mi->input.p_thread;
130 if( !p_input_thread )
133 var_DelCallback( p_input_thread, "can-seek",
134 input_seekable_changed, p_mi );
135 var_DelCallback( p_input_thread, "can-pause",
136 input_pausable_changed, p_mi );
137 var_DelCallback( p_input_thread, "intf-event",
138 input_event_changed, p_mi );
140 /* We owned this one */
141 input_Stop( p_input_thread, b_input_abort );
143 vlc_thread_join( p_input_thread );
145 assert( p_input_thread->b_dead );
147 p_mi->input.p_thread = NULL;
148 vlc_object_release( p_input_thread );
152 * Retrieve the input thread. Be sure to release the object
153 * once you are done with it. (libvlc Internal)
155 input_thread_t *libvlc_get_input_thread( libvlc_media_player_t *p_mi )
157 input_thread_t *p_input_thread;
162 p_input_thread = p_mi->input.p_thread;
164 vlc_object_hold( p_input_thread );
166 libvlc_printerr( "No active input" );
169 return p_input_thread;
173 * Set the internal state of the media_player. (media player Internal)
175 * Function will lock the media_player.
177 static void set_state( libvlc_media_player_t *p_mi, libvlc_state_t state,
184 libvlc_media_t *media = p_mi->p_md;
186 libvlc_media_retain(media);
193 // Also set the state of the corresponding media
194 // This is strictly for convenience.
195 libvlc_media_set_state(media, state);
197 libvlc_media_release(media);
202 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
203 vlc_value_t oldval, vlc_value_t newval,
209 libvlc_media_player_t * p_mi = p_userdata;
210 libvlc_event_t event;
212 event.type = libvlc_MediaPlayerSeekableChanged;
213 event.u.media_player_seekable_changed.new_seekable = newval.b_bool;
215 libvlc_event_send( p_mi->p_event_manager, &event );
220 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
221 vlc_value_t oldval, vlc_value_t newval,
227 libvlc_media_player_t * p_mi = p_userdata;
228 libvlc_event_t event;
230 event.type = libvlc_MediaPlayerPausableChanged;
231 event.u.media_player_pausable_changed.new_pausable = newval.b_bool;
233 libvlc_event_send( p_mi->p_event_manager, &event );
238 input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
239 vlc_value_t oldval, vlc_value_t newval,
243 input_thread_t * p_input = (input_thread_t *)p_this;
244 libvlc_media_player_t * p_mi = p_userdata;
245 libvlc_event_t event;
247 assert( !strcmp( psz_cmd, "intf-event" ) );
249 if( newval.i_int == INPUT_EVENT_STATE )
251 libvlc_state_t libvlc_state;
253 switch ( var_GetInteger( p_input, "state" ) )
256 libvlc_state = libvlc_NothingSpecial;
257 event.type = libvlc_MediaPlayerNothingSpecial;
260 libvlc_state = libvlc_Opening;
261 event.type = libvlc_MediaPlayerOpening;
264 libvlc_state = libvlc_Playing;
265 event.type = libvlc_MediaPlayerPlaying;
268 libvlc_state = libvlc_Paused;
269 event.type = libvlc_MediaPlayerPaused;
272 libvlc_state = libvlc_Ended;
273 event.type = libvlc_MediaPlayerEndReached;
276 libvlc_state = libvlc_Error;
277 event.type = libvlc_MediaPlayerEncounteredError;
284 set_state( p_mi, libvlc_state, false );
285 libvlc_event_send( p_mi->p_event_manager, &event );
287 else if( newval.i_int == INPUT_EVENT_ABORT )
289 libvlc_state_t libvlc_state = libvlc_Stopped;
290 event.type = libvlc_MediaPlayerStopped;
292 set_state( p_mi, libvlc_state, false );
293 libvlc_event_send( p_mi->p_event_manager, &event );
295 else if( newval.i_int == INPUT_EVENT_POSITION )
297 if( var_GetInteger( p_input, "state" ) != PLAYING_S )
298 return VLC_SUCCESS; /* Don't send the position while stopped */
301 event.type = libvlc_MediaPlayerPositionChanged;
302 event.u.media_player_position_changed.new_position =
303 var_GetFloat( p_input, "position" );
304 libvlc_event_send( p_mi->p_event_manager, &event );
307 event.type = libvlc_MediaPlayerTimeChanged;
308 event.u.media_player_time_changed.new_time =
309 from_mtime(var_GetTime( p_input, "time" ));
310 libvlc_event_send( p_mi->p_event_manager, &event );
312 else if( newval.i_int == INPUT_EVENT_LENGTH )
314 event.type = libvlc_MediaPlayerLengthChanged;
315 event.u.media_player_length_changed.new_length =
316 from_mtime(var_GetTime( p_input, "length" ));
317 libvlc_event_send( p_mi->p_event_manager, &event );
319 else if( newval.i_int == INPUT_EVENT_CACHE )
321 event.type = libvlc_MediaPlayerBuffering;
322 event.u.media_player_buffering.new_cache = (int)(100 *
323 var_GetFloat( p_input, "cache" ));
324 libvlc_event_send( p_mi->p_event_manager, &event );
330 /**************************************************************************
331 * Snapshot Taken Event.
333 * FIXME: This snapshot API interface makes no sense in media_player.
334 *************************************************************************/
335 static int snapshot_was_taken(vlc_object_t *p_this, char const *psz_cmd,
336 vlc_value_t oldval, vlc_value_t newval, void *p_data )
338 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_this);
340 libvlc_media_player_t *mp = p_data;
341 libvlc_event_t event;
342 event.type = libvlc_MediaPlayerSnapshotTaken;
343 event.u.media_player_snapshot_taken.psz_filename = newval.psz_string;
344 libvlc_event_send(mp->p_event_manager, &event);
349 static input_thread_t *find_input (vlc_object_t *obj)
351 libvlc_media_player_t *mp = (libvlc_media_player_t *)obj;
353 return libvlc_get_input_thread (mp);
357 static void libvlc_media_player_destroy( libvlc_media_player_t * );
360 /**************************************************************************
361 * Create a Media Instance object.
364 * - All items created by _new start with a refcount set to 1.
365 * - Accessor _release decrease the refcount by 1, if after that
366 * operation the refcount is 0, the object is destroyed.
367 * - Accessor _retain increase the refcount by 1 (XXX: to implement)
369 * Object locking strategy:
370 * - No lock held while in constructor.
371 * - When accessing any member variable this lock is held. (XXX who locks?)
372 * - When attempting to destroy the object the lock is also held.
373 **************************************************************************/
374 libvlc_media_player_t *
375 libvlc_media_player_new( libvlc_instance_t *instance )
377 libvlc_media_player_t * mp;
381 mp = vlc_object_create (instance->p_libvlc_int, sizeof(*mp));
382 if (unlikely(mp == NULL))
384 libvlc_printerr("Not enough memory");
387 vlc_object_attach (mp, mp->p_libvlc);
390 var_Create (mp, "rate", VLC_VAR_FLOAT|VLC_VAR_DOINHERIT);
393 var_Create (mp, "vout", VLC_VAR_STRING|VLC_VAR_DOINHERIT);
394 var_Create (mp, "window", VLC_VAR_STRING);
395 var_Create (mp, "vmem-lock", VLC_VAR_ADDRESS);
396 var_Create (mp, "vmem-unlock", VLC_VAR_ADDRESS);
397 var_Create (mp, "vmem-display", VLC_VAR_ADDRESS);
398 var_Create (mp, "vmem-data", VLC_VAR_ADDRESS);
399 var_Create (mp, "vmem-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
400 var_Create (mp, "vmem-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
401 var_Create (mp, "vmem-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
402 var_Create (mp, "vmem-pitch", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
403 var_Create (mp, "drawable-xid", VLC_VAR_INTEGER);
405 var_Create (mp, "drawable-hwnd", VLC_VAR_ADDRESS);
408 var_Create (mp, "drawable-agl", VLC_VAR_INTEGER);
409 var_Create (mp, "drawable-nsobject", VLC_VAR_ADDRESS);
412 var_Create (mp, "keyboard-events", VLC_VAR_BOOL);
413 var_SetBool (mp, "keyboard-events", true);
414 var_Create (mp, "mouse-events", VLC_VAR_BOOL);
415 var_SetBool (mp, "mouse-events", true);
417 var_Create (mp, "fullscreen", VLC_VAR_BOOL);
418 var_Create (mp, "autoscale", VLC_VAR_BOOL);
419 var_SetBool (mp, "autoscale", true);
420 var_Create (mp, "scale", VLC_VAR_FLOAT);
421 var_SetFloat (mp, "scale", 1.);
422 var_Create (mp, "aspect-ratio", VLC_VAR_STRING);
423 var_Create (mp, "crop", VLC_VAR_STRING);
424 var_Create (mp, "deinterlace", VLC_VAR_INTEGER);
425 var_Create (mp, "deinterlace-mode", VLC_VAR_STRING);
427 var_Create (mp, "vbi-page", VLC_VAR_INTEGER);
429 var_Create (mp, "marq-marquee", VLC_VAR_STRING);
430 var_Create (mp, "marq-color", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
431 var_Create (mp, "marq-opacity", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
432 var_Create (mp, "marq-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
433 var_Create (mp, "marq-refresh", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
434 var_Create (mp, "marq-size", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
435 var_Create (mp, "marq-timeout", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
436 var_Create (mp, "marq-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
437 var_Create (mp, "marq-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
439 var_Create (mp, "logo-file", VLC_VAR_STRING);
440 var_Create (mp, "logo-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
441 var_Create (mp, "logo-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
442 var_Create (mp, "logo-delay", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
443 var_Create (mp, "logo-repeat", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
444 var_Create (mp, "logo-opacity", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
445 var_Create (mp, "logo-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
447 var_Create (mp, "contrast", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
448 var_Create (mp, "brightness", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
449 var_Create (mp, "hue", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
450 var_Create (mp, "saturation", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
451 var_Create (mp, "gamma", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
454 var_Create (mp, "aout", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
455 var_Create (mp, "volume-muted", VLC_VAR_BOOL);
456 var_Create (mp, "saved-volume", VLC_VAR_INTEGER);
457 var_Create (mp, "volume-change", VLC_VAR_VOID);
458 var_Create (mp, "find-input-callback", VLC_VAR_ADDRESS);
459 var_SetAddress (mp, "find-input-callback", find_input);
462 mp->state = libvlc_NothingSpecial;
463 mp->p_libvlc_instance = instance;
464 mp->input.p_thread = NULL;
465 mp->input.p_resource = NULL;
466 vlc_mutex_init (&mp->input.lock);
468 mp->p_event_manager = libvlc_event_manager_new(mp, instance);
469 if (unlikely(mp->p_event_manager == NULL))
471 vlc_object_release(mp);
474 vlc_mutex_init(&mp->object_lock);
476 register_event(mp, NothingSpecial);
477 register_event(mp, Opening);
478 register_event(mp, Buffering);
479 register_event(mp, Playing);
480 register_event(mp, Paused);
481 register_event(mp, Stopped);
482 register_event(mp, Forward);
483 register_event(mp, Backward);
484 register_event(mp, EndReached);
485 register_event(mp, EncounteredError);
486 register_event(mp, SeekableChanged);
488 register_event(mp, PositionChanged);
489 register_event(mp, TimeChanged);
490 register_event(mp, LengthChanged);
491 register_event(mp, TitleChanged);
492 register_event(mp, PausableChanged);
494 /* Snapshot initialization */
495 register_event(mp, SnapshotTaken);
497 register_event(mp, MediaChanged);
499 /* Attach a var callback to the global object to provide the glue between
500 * vout_thread that generates the event and media_player that re-emits it
501 * with its own event manager
503 * FIXME: It's unclear why we want to put this in public API, and why we
504 * want to expose it in such a limiting and ugly way.
506 var_AddCallback(mp->p_libvlc, "snapshot-file", snapshot_was_taken, mp);
508 libvlc_retain(instance);
512 /**************************************************************************
513 * Create a Media Instance object with a media descriptor.
514 **************************************************************************/
515 libvlc_media_player_t *
516 libvlc_media_player_new_from_media( libvlc_media_t * p_md )
518 libvlc_media_player_t * p_mi;
520 p_mi = libvlc_media_player_new( p_md->p_libvlc_instance );
524 libvlc_media_retain( p_md );
530 /**************************************************************************
531 * Destroy a Media Instance object (libvlc internal)
533 * Warning: No lock held here, but hey, this is internal. Caller must lock.
534 **************************************************************************/
535 static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi )
539 /* Detach Callback from the main libvlc object */
540 var_DelCallback( p_mi->p_libvlc,
541 "snapshot-file", snapshot_was_taken, p_mi );
543 /* No need for lock_input() because no other threads knows us anymore */
544 if( p_mi->input.p_thread )
545 release_input_thread(p_mi, true);
546 if( p_mi->input.p_resource )
548 input_resource_Terminate( p_mi->input.p_resource );
549 input_resource_Release( p_mi->input.p_resource );
550 p_mi->input.p_resource = NULL;
552 vlc_mutex_destroy( &p_mi->input.lock );
554 libvlc_event_manager_release( p_mi->p_event_manager );
555 libvlc_media_release( p_mi->p_md );
556 vlc_mutex_destroy( &p_mi->object_lock );
558 libvlc_instance_t *instance = p_mi->p_libvlc_instance;
559 vlc_object_release( p_mi );
560 libvlc_release(instance);
563 /**************************************************************************
564 * Release a Media Instance object.
566 * Function does the locking.
567 **************************************************************************/
568 void libvlc_media_player_release( libvlc_media_player_t *p_mi )
574 destroy = !--p_mi->i_refcount;
578 libvlc_media_player_destroy( p_mi );
581 /**************************************************************************
582 * Retain a Media Instance object.
584 * Caller must hold the lock.
585 **************************************************************************/
586 void libvlc_media_player_retain( libvlc_media_player_t *p_mi )
595 /**************************************************************************
596 * Set the Media descriptor associated with the instance.
598 * Enter without lock -- function will lock the object.
599 **************************************************************************/
600 void libvlc_media_player_set_media(
601 libvlc_media_player_t *p_mi,
602 libvlc_media_t *p_md )
606 /* FIXME I am not sure if it is a user request or on die(eof/error)
608 release_input_thread( p_mi,
609 p_mi->input.p_thread &&
610 !p_mi->input.p_thread->b_eof &&
611 !p_mi->input.p_thread->b_error );
614 set_state( p_mi, libvlc_NothingSpecial, true );
615 unlock_input( p_mi );
617 libvlc_media_release( p_mi->p_md );
623 return; /* It is ok to pass a NULL md */
626 libvlc_media_retain( p_md );
629 /* The policy here is to ignore that we were created using a different
630 * libvlc_instance, because we don't really care */
631 p_mi->p_libvlc_instance = p_md->p_libvlc_instance;
635 /* Send an event for the newly available media */
636 libvlc_event_t event;
637 event.type = libvlc_MediaPlayerMediaChanged;
638 event.u.media_player_media_changed.new_media = p_md;
639 libvlc_event_send( p_mi->p_event_manager, &event );
643 /**************************************************************************
644 * Get the Media descriptor associated with the instance.
645 **************************************************************************/
647 libvlc_media_player_get_media( libvlc_media_player_t *p_mi )
654 libvlc_media_retain( p_mi->p_md );
659 /**************************************************************************
660 * Get the event Manager.
661 **************************************************************************/
662 libvlc_event_manager_t *
663 libvlc_media_player_event_manager( libvlc_media_player_t *p_mi )
665 return p_mi->p_event_manager;
668 /**************************************************************************
669 * Tell media player to start playing.
670 **************************************************************************/
671 int libvlc_media_player_play( libvlc_media_player_t *p_mi )
675 input_thread_t *p_input_thread = p_mi->input.p_thread;
678 /* A thread already exists, send it a play message */
679 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
680 unlock_input( p_mi );
684 /* Ignore previous exception */
690 unlock_input( p_mi );
691 libvlc_printerr( "No associated media descriptor" );
695 if( !p_mi->input.p_resource )
696 p_mi->input.p_resource = input_resource_New( VLC_OBJECT( p_mi ) );
697 p_input_thread = input_Create( p_mi, p_mi->p_md->p_input_item, NULL,
698 p_mi->input.p_resource );
700 if( !p_input_thread )
703 libvlc_printerr( "Not enough memory" );
707 var_AddCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
708 var_AddCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
709 var_AddCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
711 if( input_Start( p_input_thread ) )
714 var_DelCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
715 var_DelCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
716 var_DelCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
717 vlc_object_release( p_input_thread );
718 libvlc_printerr( "Input initialization failure" );
721 p_mi->input.p_thread = p_input_thread;
726 void libvlc_media_player_set_pause( libvlc_media_player_t *p_mi, int paused )
728 input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi );
729 if( !p_input_thread )
732 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
733 if( state == libvlc_Playing || state == libvlc_Buffering )
737 if( libvlc_media_player_can_pause( p_mi ) )
738 input_Control( p_input_thread, INPUT_SET_STATE, PAUSE_S );
740 libvlc_media_player_stop( p_mi );
746 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
749 vlc_object_release( p_input_thread );
752 /**************************************************************************
754 **************************************************************************/
755 void libvlc_media_player_pause( libvlc_media_player_t *p_mi )
757 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
758 bool playing = (state == libvlc_Playing || state == libvlc_Buffering);
760 libvlc_media_player_set_pause( p_mi, playing );
763 /**************************************************************************
764 * Tells whether the media player is currently playing.
766 * Enter with lock held.
767 **************************************************************************/
768 int libvlc_media_player_is_playing( libvlc_media_player_t *p_mi )
770 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
771 return (libvlc_Playing == state) || (libvlc_Buffering == state);
774 /**************************************************************************
776 **************************************************************************/
777 void libvlc_media_player_stop( libvlc_media_player_t *p_mi )
779 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
782 release_input_thread( p_mi, true ); /* This will stop the input thread */
784 /* Force to go to stopped state, in case we were in Ended, or Error
786 if( state != libvlc_Stopped )
788 set_state( p_mi, libvlc_Stopped, false );
790 /* Construct and send the event */
791 libvlc_event_t event;
792 event.type = libvlc_MediaPlayerStopped;
793 libvlc_event_send( p_mi->p_event_manager, &event );
796 if( p_mi->input.p_resource != NULL )
797 input_resource_TerminateVout( p_mi->input.p_resource );
802 void libvlc_video_set_callbacks( libvlc_media_player_t *mp,
803 void *(*lock_cb) (void *, void **),
804 void (*unlock_cb) (void *, void *, void *const *),
805 void (*display_cb) (void *, void *),
808 var_SetAddress( mp, "vmem-lock", lock_cb );
809 var_SetAddress( mp, "vmem-unlock", unlock_cb );
810 var_SetAddress( mp, "vmem-display", display_cb );
811 var_SetAddress( mp, "vmem-data", opaque );
812 var_SetString( mp, "vout", "vmem" );
815 void libvlc_video_set_format( libvlc_media_player_t *mp, const char *chroma,
816 unsigned width, unsigned height, unsigned pitch )
818 var_SetString( mp, "vmem-chroma", chroma );
819 var_SetInteger( mp, "vmem-width", width );
820 var_SetInteger( mp, "vmem-height", height );
821 var_SetInteger( mp, "vmem-pitch", pitch );
824 /**************************************************************************
826 **************************************************************************/
827 void libvlc_media_player_set_nsobject( libvlc_media_player_t *p_mi,
830 assert (p_mi != NULL);
832 var_SetAddress (p_mi, "drawable-nsobject", drawable);
834 (void) p_mi; (void)drawable;
838 /**************************************************************************
840 **************************************************************************/
841 void * libvlc_media_player_get_nsobject( libvlc_media_player_t *p_mi )
843 assert (p_mi != NULL);
845 return var_GetAddress (p_mi, "drawable-nsobject");
851 /**************************************************************************
853 **************************************************************************/
854 void libvlc_media_player_set_agl( libvlc_media_player_t *p_mi,
858 var_SetInteger (p_mi, "drawable-agl", drawable);
860 (void) p_mi; (void)drawable;
864 /**************************************************************************
866 **************************************************************************/
867 uint32_t libvlc_media_player_get_agl( libvlc_media_player_t *p_mi )
869 assert (p_mi != NULL);
871 return var_GetInteger (p_mi, "drawable-agl");
877 /**************************************************************************
879 **************************************************************************/
880 void libvlc_media_player_set_xwindow( libvlc_media_player_t *p_mi,
883 assert (p_mi != NULL);
885 var_SetString (p_mi, "vout", drawable ? "xid" : "any");
886 var_SetString (p_mi, "window", drawable ? "embed-xid,any" : "any");
887 var_SetInteger (p_mi, "drawable-xid", drawable);
890 /**************************************************************************
892 **************************************************************************/
893 uint32_t libvlc_media_player_get_xwindow( libvlc_media_player_t *p_mi )
895 return var_GetInteger (p_mi, "drawable-xid");
898 /**************************************************************************
900 **************************************************************************/
901 void libvlc_media_player_set_hwnd( libvlc_media_player_t *p_mi,
904 assert (p_mi != NULL);
906 var_SetString (p_mi, "window",
907 (drawable != NULL) ? "embed-hwnd,any" : "");
908 var_SetAddress (p_mi, "drawable-hwnd", drawable);
910 (void) p_mi; (void) drawable;
914 /**************************************************************************
916 **************************************************************************/
917 void *libvlc_media_player_get_hwnd( libvlc_media_player_t *p_mi )
919 assert (p_mi != NULL);
921 return var_GetAddress (p_mi, "drawable-hwnd");
927 /**************************************************************************
928 * Getters for stream information
929 **************************************************************************/
930 libvlc_time_t libvlc_media_player_get_length(
931 libvlc_media_player_t *p_mi )
933 input_thread_t *p_input_thread;
934 libvlc_time_t i_time;
936 p_input_thread = libvlc_get_input_thread ( p_mi );
937 if( !p_input_thread )
940 i_time = from_mtime(var_GetTime( p_input_thread, "length" ));
941 vlc_object_release( p_input_thread );
946 libvlc_time_t libvlc_media_player_get_time( libvlc_media_player_t *p_mi )
948 input_thread_t *p_input_thread;
949 libvlc_time_t i_time;
951 p_input_thread = libvlc_get_input_thread ( p_mi );
952 if( !p_input_thread )
955 i_time = from_mtime(var_GetTime( p_input_thread , "time" ));
956 vlc_object_release( p_input_thread );
960 void libvlc_media_player_set_time( libvlc_media_player_t *p_mi,
961 libvlc_time_t i_time )
963 input_thread_t *p_input_thread;
965 p_input_thread = libvlc_get_input_thread ( p_mi );
966 if( !p_input_thread )
969 var_SetTime( p_input_thread, "time", to_mtime(i_time) );
970 vlc_object_release( p_input_thread );
973 void libvlc_media_player_set_position( libvlc_media_player_t *p_mi,
976 input_thread_t *p_input_thread;
978 p_input_thread = libvlc_get_input_thread ( p_mi );
979 if( !p_input_thread )
982 var_SetFloat( p_input_thread, "position", position );
983 vlc_object_release( p_input_thread );
986 float libvlc_media_player_get_position( libvlc_media_player_t *p_mi )
988 input_thread_t *p_input_thread;
991 p_input_thread = libvlc_get_input_thread ( p_mi );
992 if( !p_input_thread )
995 f_position = var_GetFloat( p_input_thread, "position" );
996 vlc_object_release( p_input_thread );
1001 void libvlc_media_player_set_chapter( libvlc_media_player_t *p_mi,
1004 input_thread_t *p_input_thread;
1006 p_input_thread = libvlc_get_input_thread ( p_mi );
1007 if( !p_input_thread )
1010 var_SetInteger( p_input_thread, "chapter", chapter );
1011 vlc_object_release( p_input_thread );
1014 int libvlc_media_player_get_chapter( libvlc_media_player_t *p_mi )
1016 input_thread_t *p_input_thread;
1019 p_input_thread = libvlc_get_input_thread ( p_mi );
1020 if( !p_input_thread )
1023 i_chapter = var_GetInteger( p_input_thread, "chapter" );
1024 vlc_object_release( p_input_thread );
1029 int libvlc_media_player_get_chapter_count( libvlc_media_player_t *p_mi )
1031 input_thread_t *p_input_thread;
1034 p_input_thread = libvlc_get_input_thread ( p_mi );
1035 if( !p_input_thread )
1038 var_Change( p_input_thread, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
1039 vlc_object_release( p_input_thread );
1044 int libvlc_media_player_get_chapter_count_for_title(
1045 libvlc_media_player_t *p_mi,
1048 input_thread_t *p_input_thread;
1051 p_input_thread = libvlc_get_input_thread ( p_mi );
1052 if( !p_input_thread )
1056 if( asprintf( &psz_name, "title %2i", i_title ) == -1 )
1058 vlc_object_release( p_input_thread );
1061 var_Change( p_input_thread, psz_name, VLC_VAR_CHOICESCOUNT, &val, NULL );
1062 vlc_object_release( p_input_thread );
1068 void libvlc_media_player_set_title( libvlc_media_player_t *p_mi,
1071 input_thread_t *p_input_thread;
1073 p_input_thread = libvlc_get_input_thread ( p_mi );
1074 if( !p_input_thread )
1077 var_SetInteger( p_input_thread, "title", i_title );
1078 vlc_object_release( p_input_thread );
1081 libvlc_event_t event;
1082 event.type = libvlc_MediaPlayerTitleChanged;
1083 event.u.media_player_title_changed.new_title = i_title;
1084 libvlc_event_send( p_mi->p_event_manager, &event );
1087 int libvlc_media_player_get_title( libvlc_media_player_t *p_mi )
1089 input_thread_t *p_input_thread;
1092 p_input_thread = libvlc_get_input_thread ( p_mi );
1093 if( !p_input_thread )
1096 i_title = var_GetInteger( p_input_thread, "title" );
1097 vlc_object_release( p_input_thread );
1102 int libvlc_media_player_get_title_count( libvlc_media_player_t *p_mi )
1104 input_thread_t *p_input_thread;
1107 p_input_thread = libvlc_get_input_thread ( p_mi );
1108 if( !p_input_thread )
1111 var_Change( p_input_thread, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
1112 vlc_object_release( p_input_thread );
1117 void libvlc_media_player_next_chapter( libvlc_media_player_t *p_mi )
1119 input_thread_t *p_input_thread;
1121 p_input_thread = libvlc_get_input_thread ( p_mi );
1122 if( !p_input_thread )
1125 int i_type = var_Type( p_input_thread, "next-chapter" );
1126 var_SetBool( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1127 "next-chapter":"next-title", true );
1129 vlc_object_release( p_input_thread );
1132 void libvlc_media_player_previous_chapter( libvlc_media_player_t *p_mi )
1134 input_thread_t *p_input_thread;
1136 p_input_thread = libvlc_get_input_thread ( p_mi );
1137 if( !p_input_thread )
1140 int i_type = var_Type( p_input_thread, "next-chapter" );
1141 var_SetBool( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1142 "prev-chapter":"prev-title", true );
1144 vlc_object_release( p_input_thread );
1147 float libvlc_media_player_get_fps( libvlc_media_player_t *p_mi )
1149 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1152 if( p_input_thread )
1154 if( input_Control( p_input_thread, INPUT_GET_VIDEO_FPS, &f_fps ) )
1156 vlc_object_release( p_input_thread );
1161 int libvlc_media_player_will_play( libvlc_media_player_t *p_mi )
1164 input_thread_t *p_input_thread =
1165 libvlc_get_input_thread ( p_mi );
1166 if ( !p_input_thread )
1169 b_will_play = !p_input_thread->b_die && !p_input_thread->b_dead;
1170 vlc_object_release( p_input_thread );
1175 int libvlc_media_player_set_rate( libvlc_media_player_t *p_mi, float rate )
1179 libvlc_printerr ("Playing backward not supported");
1183 var_SetFloat (p_mi, "rate", rate);
1185 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1186 if( !p_input_thread )
1188 var_SetFloat( p_input_thread, "rate", rate );
1189 vlc_object_release( p_input_thread );
1193 float libvlc_media_player_get_rate( libvlc_media_player_t *p_mi )
1195 return var_GetFloat (p_mi, "rate");
1198 libvlc_state_t libvlc_media_player_get_state( libvlc_media_player_t *p_mi )
1201 libvlc_state_t state = p_mi->state;
1206 int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi )
1208 input_thread_t *p_input_thread;
1211 p_input_thread = libvlc_get_input_thread ( p_mi );
1212 if ( !p_input_thread )
1214 b_seekable = var_GetBool( p_input_thread, "can-seek" );
1215 vlc_object_release( p_input_thread );
1220 void libvlc_media_player_navigate( libvlc_media_player_t* p_mi,
1223 input_thread_t *p_input_thread;
1225 if ( navigate > libvlc_navigate_to_action_size)
1228 p_input_thread = libvlc_get_input_thread ( p_mi );
1229 if ( !p_input_thread )
1232 var_SetInteger( p_mi->p_libvlc_instance->p_libvlc_int,
1233 "key-action", libvlc_navigate_to_action[navigate] );
1235 vlc_object_release( p_input_thread );
1238 /* internal function, used by audio, video */
1239 libvlc_track_description_t *
1240 libvlc_get_track_description( libvlc_media_player_t *p_mi,
1241 const char *psz_variable )
1243 input_thread_t *p_input = libvlc_get_input_thread( p_mi );
1244 libvlc_track_description_t *p_track_description = NULL,
1245 *p_actual, *p_previous;
1250 vlc_value_t val_list, text_list;
1251 var_Change( p_input, psz_variable, VLC_VAR_GETLIST, &val_list, &text_list);
1254 if( val_list.p_list->i_count <= 0 )
1257 p_track_description = ( libvlc_track_description_t * )
1258 malloc( sizeof( libvlc_track_description_t ) );
1259 if ( !p_track_description )
1261 libvlc_printerr( "Not enough memory" );
1264 p_actual = p_track_description;
1266 for( int i = 0; i < val_list.p_list->i_count; i++ )
1270 p_actual = ( libvlc_track_description_t * )
1271 malloc( sizeof( libvlc_track_description_t ) );
1274 libvlc_track_description_release( p_track_description );
1275 libvlc_printerr( "Not 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;
1289 var_FreeList( &val_list, &text_list );
1290 vlc_object_release( p_input );
1292 return p_track_description;
1295 void libvlc_track_description_release( libvlc_track_description_t *p_td )
1297 libvlc_track_description_t *p_actual, *p_before;
1302 free( p_actual->psz_name );
1303 p_before = p_actual;
1304 p_actual = p_before->p_next;
1309 int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi )
1311 input_thread_t *p_input_thread;
1314 p_input_thread = libvlc_get_input_thread ( p_mi );
1315 if ( !p_input_thread )
1317 b_can_pause = var_GetBool( p_input_thread, "can-pause" );
1318 vlc_object_release( p_input_thread );
1323 void libvlc_media_player_next_frame( libvlc_media_player_t *p_mi )
1325 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1326 if( p_input_thread != NULL )
1328 var_TriggerCallback( p_input_thread, "frame-next" );
1329 vlc_object_release( p_input_thread );