1 /*****************************************************************************
2 * media_player.c: Libvlc API Media Instance management functions
3 *****************************************************************************
4 * Copyright (C) 2005-2011 the VideoLAN team
6 * Authors: Clément Stenac <zorglub@videolan.org>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 *****************************************************************************/
29 #include <vlc/libvlc.h>
30 #include <vlc/libvlc_media.h>
31 #include <vlc/libvlc_events.h>
33 #include <vlc_demux.h>
34 #include <vlc_input.h>
38 #include "libvlc_internal.h"
39 #include "media_internal.h" // libvlc_media_set_state()
40 #include "media_player_internal.h"
43 * mapping of libvlc_navigate_mode_t to vlc_action_t
45 static const vlc_action_t libvlc_navigate_to_action[] =
47 ACTIONID_NAV_ACTIVATE,
54 static const uint32_t libvlc_navigate_to_action_size = \
55 sizeof( libvlc_navigate_to_action ) / sizeof( libvlc_navigate_to_action[0] );
59 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
60 vlc_value_t oldval, vlc_value_t newval,
63 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
64 vlc_value_t oldval, vlc_value_t newval,
67 input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
68 vlc_value_t oldval, vlc_value_t newval,
72 snapshot_was_taken( vlc_object_t *p_this, char const *psz_cmd,
73 vlc_value_t oldval, vlc_value_t newval, void *p_data );
75 static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi );
81 #define register_event(a, b) __register_event(a, libvlc_MediaPlayer ## b)
82 static inline void __register_event(libvlc_media_player_t *mp, libvlc_event_type_t type)
84 libvlc_event_manager_register_event_type(mp->p_event_manager, type);
88 * The input lock protects the input and input resource pointer.
89 * It MUST NOT be used from callbacks.
91 * The object lock protects the reset, namely the media and the player state.
92 * It can, and usually needs to be taken from callbacks.
93 * The object lock can be acquired under the input lock... and consequently
94 * the opposite order is STRICTLY PROHIBITED.
96 static inline void lock(libvlc_media_player_t *mp)
98 vlc_mutex_lock(&mp->object_lock);
101 static inline void unlock(libvlc_media_player_t *mp)
103 vlc_mutex_unlock(&mp->object_lock);
106 static inline void lock_input(libvlc_media_player_t *mp)
108 vlc_mutex_lock(&mp->input.lock);
111 static inline void unlock_input(libvlc_media_player_t *mp)
113 vlc_mutex_unlock(&mp->input.lock);
117 * Release the associated input thread.
119 * Object lock is NOT held.
120 * Input lock is held or instance is being destroyed.
122 static void release_input_thread( libvlc_media_player_t *p_mi, bool b_input_abort )
126 input_thread_t *p_input_thread = p_mi->input.p_thread;
127 if( !p_input_thread )
129 p_mi->input.p_thread = NULL;
131 var_DelCallback( p_input_thread, "can-seek",
132 input_seekable_changed, p_mi );
133 var_DelCallback( p_input_thread, "can-pause",
134 input_pausable_changed, p_mi );
135 var_DelCallback( p_input_thread, "intf-event",
136 input_event_changed, p_mi );
138 /* We owned this one */
139 input_Stop( p_input_thread, b_input_abort );
140 input_Close( p_input_thread );
144 * Retrieve the input thread. Be sure to release the object
145 * once you are done with it. (libvlc Internal)
147 input_thread_t *libvlc_get_input_thread( libvlc_media_player_t *p_mi )
149 input_thread_t *p_input_thread;
154 p_input_thread = p_mi->input.p_thread;
156 vlc_object_hold( p_input_thread );
158 libvlc_printerr( "No active input" );
161 return p_input_thread;
165 * Set the internal state of the media_player. (media player Internal)
167 * Function will lock the media_player.
169 static void set_state( libvlc_media_player_t *p_mi, libvlc_state_t state,
176 libvlc_media_t *media = p_mi->p_md;
178 libvlc_media_retain(media);
185 // Also set the state of the corresponding media
186 // This is strictly for convenience.
187 libvlc_media_set_state(media, state);
189 libvlc_media_release(media);
194 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
195 vlc_value_t oldval, vlc_value_t newval,
201 libvlc_media_player_t * p_mi = p_userdata;
202 libvlc_event_t event;
204 event.type = libvlc_MediaPlayerSeekableChanged;
205 event.u.media_player_seekable_changed.new_seekable = newval.b_bool;
207 libvlc_event_send( p_mi->p_event_manager, &event );
212 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
213 vlc_value_t oldval, vlc_value_t newval,
219 libvlc_media_player_t * p_mi = p_userdata;
220 libvlc_event_t event;
222 event.type = libvlc_MediaPlayerPausableChanged;
223 event.u.media_player_pausable_changed.new_pausable = newval.b_bool;
225 libvlc_event_send( p_mi->p_event_manager, &event );
230 input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
231 vlc_value_t oldval, vlc_value_t newval,
235 input_thread_t * p_input = (input_thread_t *)p_this;
236 libvlc_media_player_t * p_mi = p_userdata;
237 libvlc_event_t event;
239 assert( !strcmp( psz_cmd, "intf-event" ) );
241 if( newval.i_int == INPUT_EVENT_STATE )
243 libvlc_state_t libvlc_state;
245 switch ( var_GetInteger( p_input, "state" ) )
248 libvlc_state = libvlc_NothingSpecial;
249 event.type = libvlc_MediaPlayerNothingSpecial;
252 libvlc_state = libvlc_Opening;
253 event.type = libvlc_MediaPlayerOpening;
256 libvlc_state = libvlc_Playing;
257 event.type = libvlc_MediaPlayerPlaying;
260 libvlc_state = libvlc_Paused;
261 event.type = libvlc_MediaPlayerPaused;
264 libvlc_state = libvlc_Ended;
265 event.type = libvlc_MediaPlayerEndReached;
268 libvlc_state = libvlc_Error;
269 event.type = libvlc_MediaPlayerEncounteredError;
276 set_state( p_mi, libvlc_state, false );
277 libvlc_event_send( p_mi->p_event_manager, &event );
279 else if( newval.i_int == INPUT_EVENT_ABORT )
281 libvlc_state_t libvlc_state = libvlc_Stopped;
282 event.type = libvlc_MediaPlayerStopped;
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_POSITION )
289 if( var_GetInteger( p_input, "state" ) != PLAYING_S )
290 return VLC_SUCCESS; /* Don't send the position while stopped */
293 event.type = libvlc_MediaPlayerPositionChanged;
294 event.u.media_player_position_changed.new_position =
295 var_GetFloat( p_input, "position" );
296 libvlc_event_send( p_mi->p_event_manager, &event );
299 event.type = libvlc_MediaPlayerTimeChanged;
300 event.u.media_player_time_changed.new_time =
301 from_mtime(var_GetTime( p_input, "time" ));
302 libvlc_event_send( p_mi->p_event_manager, &event );
304 else if( newval.i_int == INPUT_EVENT_LENGTH )
306 event.type = libvlc_MediaPlayerLengthChanged;
307 event.u.media_player_length_changed.new_length =
308 from_mtime(var_GetTime( p_input, "length" ));
309 libvlc_event_send( p_mi->p_event_manager, &event );
311 else if( newval.i_int == INPUT_EVENT_CACHE )
313 event.type = libvlc_MediaPlayerBuffering;
314 event.u.media_player_buffering.new_cache = (int)(100 *
315 var_GetFloat( p_input, "cache" ));
316 libvlc_event_send( p_mi->p_event_manager, &event );
318 else if( newval.i_int == INPUT_EVENT_VOUT )
320 vout_thread_t **pp_vout;
322 if( input_Control( p_input, INPUT_GET_VOUTS, &pp_vout, &i_vout ) )
328 for( size_t i = 0; i < i_vout; i++ )
329 vlc_object_release( pp_vout[i] );
333 event.type = libvlc_MediaPlayerVout;
334 event.u.media_player_vout.new_count = i_vout;
335 libvlc_event_send( p_mi->p_event_manager, &event );
341 /**************************************************************************
342 * Snapshot Taken Event.
344 * FIXME: This snapshot API interface makes no sense in media_player.
345 *************************************************************************/
346 static int snapshot_was_taken(vlc_object_t *p_this, char const *psz_cmd,
347 vlc_value_t oldval, vlc_value_t newval, void *p_data )
349 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_this);
351 libvlc_media_player_t *mp = p_data;
352 libvlc_event_t event;
353 event.type = libvlc_MediaPlayerSnapshotTaken;
354 event.u.media_player_snapshot_taken.psz_filename = newval.psz_string;
355 libvlc_event_send(mp->p_event_manager, &event);
360 static input_thread_t *find_input (vlc_object_t *obj)
362 libvlc_media_player_t *mp = (libvlc_media_player_t *)obj;
364 return libvlc_get_input_thread (mp);
368 static void libvlc_media_player_destroy( libvlc_media_player_t * );
371 /**************************************************************************
372 * Create a Media Instance object.
375 * - All items created by _new start with a refcount set to 1.
376 * - Accessor _release decrease the refcount by 1, if after that
377 * operation the refcount is 0, the object is destroyed.
378 * - Accessor _retain increase the refcount by 1 (XXX: to implement)
380 * Object locking strategy:
381 * - No lock held while in constructor.
382 * - When accessing any member variable this lock is held. (XXX who locks?)
383 * - When attempting to destroy the object the lock is also held.
384 **************************************************************************/
385 libvlc_media_player_t *
386 libvlc_media_player_new( libvlc_instance_t *instance )
388 libvlc_media_player_t * mp;
392 mp = vlc_object_create (instance->p_libvlc_int, sizeof(*mp));
393 if (unlikely(mp == NULL))
395 libvlc_printerr("Not enough memory");
400 var_Create (mp, "rate", VLC_VAR_FLOAT|VLC_VAR_DOINHERIT);
403 var_Create (mp, "vout", VLC_VAR_STRING|VLC_VAR_DOINHERIT);
404 var_Create (mp, "window", VLC_VAR_STRING);
405 var_Create (mp, "vmem-lock", VLC_VAR_ADDRESS);
406 var_Create (mp, "vmem-unlock", VLC_VAR_ADDRESS);
407 var_Create (mp, "vmem-display", VLC_VAR_ADDRESS);
408 var_Create (mp, "vmem-data", VLC_VAR_ADDRESS);
409 var_Create (mp, "vmem-setup", VLC_VAR_ADDRESS);
410 var_Create (mp, "vmem-cleanup", VLC_VAR_ADDRESS);
411 var_Create (mp, "vmem-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
412 var_Create (mp, "vmem-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
413 var_Create (mp, "vmem-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
414 var_Create (mp, "vmem-pitch", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
415 var_Create (mp, "drawable-xid", VLC_VAR_INTEGER);
416 #if defined (WIN32) || defined (__OS2__)
417 var_Create (mp, "drawable-hwnd", VLC_VAR_INTEGER);
420 var_Create (mp, "drawable-agl", VLC_VAR_INTEGER);
421 var_Create (mp, "drawable-nsobject", VLC_VAR_ADDRESS);
424 var_Create (mp, "keyboard-events", VLC_VAR_BOOL);
425 var_SetBool (mp, "keyboard-events", true);
426 var_Create (mp, "mouse-events", VLC_VAR_BOOL);
427 var_SetBool (mp, "mouse-events", true);
429 var_Create (mp, "fullscreen", VLC_VAR_BOOL);
430 var_Create (mp, "autoscale", VLC_VAR_BOOL);
431 var_SetBool (mp, "autoscale", true);
432 var_Create (mp, "scale", VLC_VAR_FLOAT);
433 var_SetFloat (mp, "scale", 1.);
434 var_Create (mp, "aspect-ratio", VLC_VAR_STRING);
435 var_Create (mp, "crop", VLC_VAR_STRING);
436 var_Create (mp, "deinterlace", VLC_VAR_INTEGER);
437 var_Create (mp, "deinterlace-mode", VLC_VAR_STRING);
439 var_Create (mp, "vbi-page", VLC_VAR_INTEGER);
441 var_Create (mp, "marq-marquee", VLC_VAR_STRING);
442 var_Create (mp, "marq-color", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
443 var_Create (mp, "marq-opacity", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
444 var_Create (mp, "marq-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
445 var_Create (mp, "marq-refresh", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
446 var_Create (mp, "marq-size", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
447 var_Create (mp, "marq-timeout", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
448 var_Create (mp, "marq-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
449 var_Create (mp, "marq-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
451 var_Create (mp, "logo-file", VLC_VAR_STRING);
452 var_Create (mp, "logo-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
453 var_Create (mp, "logo-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
454 var_Create (mp, "logo-delay", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
455 var_Create (mp, "logo-repeat", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
456 var_Create (mp, "logo-opacity", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
457 var_Create (mp, "logo-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
459 var_Create (mp, "contrast", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
460 var_Create (mp, "brightness", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
461 var_Create (mp, "hue", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
462 var_Create (mp, "saturation", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
463 var_Create (mp, "gamma", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
466 var_Create (mp, "aout", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
467 var_Create (mp, "mute", VLC_VAR_BOOL);
468 var_Create (mp, "volume", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
469 var_Create (mp, "find-input-callback", VLC_VAR_ADDRESS);
470 var_SetAddress (mp, "find-input-callback", find_input);
471 var_Create (mp, "amem-data", VLC_VAR_ADDRESS);
472 var_Create (mp, "amem-setup", VLC_VAR_ADDRESS);
473 var_Create (mp, "amem-cleanup", VLC_VAR_ADDRESS);
474 var_Create (mp, "amem-play", VLC_VAR_ADDRESS);
475 var_Create (mp, "amem-pause", VLC_VAR_ADDRESS);
476 var_Create (mp, "amem-resume", VLC_VAR_ADDRESS);
477 var_Create (mp, "amem-flush", VLC_VAR_ADDRESS);
478 var_Create (mp, "amem-drain", VLC_VAR_ADDRESS);
479 var_Create (mp, "amem-set-volume", VLC_VAR_ADDRESS);
480 var_Create (mp, "amem-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
481 var_Create (mp, "amem-rate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
482 var_Create (mp, "amem-channels", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
485 mp->state = libvlc_NothingSpecial;
486 mp->p_libvlc_instance = instance;
487 mp->input.p_thread = NULL;
488 mp->input.p_resource = NULL;
489 vlc_mutex_init (&mp->input.lock);
491 mp->p_event_manager = libvlc_event_manager_new(mp, instance);
492 if (unlikely(mp->p_event_manager == NULL))
494 vlc_object_release(mp);
497 vlc_mutex_init(&mp->object_lock);
499 register_event(mp, NothingSpecial);
500 register_event(mp, Opening);
501 register_event(mp, Buffering);
502 register_event(mp, Playing);
503 register_event(mp, Paused);
504 register_event(mp, Stopped);
505 register_event(mp, Forward);
506 register_event(mp, Backward);
507 register_event(mp, EndReached);
508 register_event(mp, EncounteredError);
509 register_event(mp, SeekableChanged);
511 register_event(mp, PositionChanged);
512 register_event(mp, TimeChanged);
513 register_event(mp, LengthChanged);
514 register_event(mp, TitleChanged);
515 register_event(mp, PausableChanged);
517 register_event(mp, Vout);
519 /* Snapshot initialization */
520 register_event(mp, SnapshotTaken);
522 register_event(mp, MediaChanged);
524 /* Attach a var callback to the global object to provide the glue between
525 * vout_thread that generates the event and media_player that re-emits it
526 * with its own event manager
528 * FIXME: It's unclear why we want to put this in public API, and why we
529 * want to expose it in such a limiting and ugly way.
531 var_AddCallback(mp->p_libvlc, "snapshot-file", snapshot_was_taken, mp);
533 libvlc_retain(instance);
537 /**************************************************************************
538 * Create a Media Instance object with a media descriptor.
539 **************************************************************************/
540 libvlc_media_player_t *
541 libvlc_media_player_new_from_media( libvlc_media_t * p_md )
543 libvlc_media_player_t * p_mi;
545 p_mi = libvlc_media_player_new( p_md->p_libvlc_instance );
549 libvlc_media_retain( p_md );
555 /**************************************************************************
556 * Destroy a Media Instance object (libvlc internal)
558 * Warning: No lock held here, but hey, this is internal. Caller must lock.
559 **************************************************************************/
560 static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi )
564 /* Detach Callback from the main libvlc object */
565 var_DelCallback( p_mi->p_libvlc,
566 "snapshot-file", snapshot_was_taken, p_mi );
568 /* No need for lock_input() because no other threads knows us anymore */
569 if( p_mi->input.p_thread )
570 release_input_thread(p_mi, true);
571 if( p_mi->input.p_resource )
573 input_resource_Terminate( p_mi->input.p_resource );
574 input_resource_Release( p_mi->input.p_resource );
575 p_mi->input.p_resource = NULL;
577 vlc_mutex_destroy( &p_mi->input.lock );
579 libvlc_event_manager_release( p_mi->p_event_manager );
580 libvlc_media_release( p_mi->p_md );
581 vlc_mutex_destroy( &p_mi->object_lock );
583 libvlc_instance_t *instance = p_mi->p_libvlc_instance;
584 vlc_object_release( p_mi );
585 libvlc_release(instance);
588 /**************************************************************************
589 * Release a Media Instance object.
591 * Function does the locking.
592 **************************************************************************/
593 void libvlc_media_player_release( libvlc_media_player_t *p_mi )
599 destroy = !--p_mi->i_refcount;
603 libvlc_media_player_destroy( p_mi );
606 /**************************************************************************
607 * Retain a Media Instance object.
609 * Caller must hold the lock.
610 **************************************************************************/
611 void libvlc_media_player_retain( libvlc_media_player_t *p_mi )
620 /**************************************************************************
621 * Set the Media descriptor associated with the instance.
623 * Enter without lock -- function will lock the object.
624 **************************************************************************/
625 void libvlc_media_player_set_media(
626 libvlc_media_player_t *p_mi,
627 libvlc_media_t *p_md )
631 /* FIXME I am not sure if it is a user request or on die(eof/error)
633 release_input_thread( p_mi,
634 p_mi->input.p_thread &&
635 !p_mi->input.p_thread->b_eof &&
636 !p_mi->input.p_thread->b_error );
639 set_state( p_mi, libvlc_NothingSpecial, true );
640 unlock_input( p_mi );
642 libvlc_media_release( p_mi->p_md );
648 return; /* It is ok to pass a NULL md */
651 libvlc_media_retain( p_md );
654 /* The policy here is to ignore that we were created using a different
655 * libvlc_instance, because we don't really care */
656 p_mi->p_libvlc_instance = p_md->p_libvlc_instance;
660 /* Send an event for the newly available media */
661 libvlc_event_t event;
662 event.type = libvlc_MediaPlayerMediaChanged;
663 event.u.media_player_media_changed.new_media = p_md;
664 libvlc_event_send( p_mi->p_event_manager, &event );
668 /**************************************************************************
669 * Get the Media descriptor associated with the instance.
670 **************************************************************************/
672 libvlc_media_player_get_media( libvlc_media_player_t *p_mi )
679 libvlc_media_retain( p_mi->p_md );
684 /**************************************************************************
685 * Get the event Manager.
686 **************************************************************************/
687 libvlc_event_manager_t *
688 libvlc_media_player_event_manager( libvlc_media_player_t *p_mi )
690 return p_mi->p_event_manager;
693 /**************************************************************************
694 * Tell media player to start playing.
695 **************************************************************************/
696 int libvlc_media_player_play( libvlc_media_player_t *p_mi )
700 input_thread_t *p_input_thread = p_mi->input.p_thread;
703 /* A thread already exists, send it a play message */
704 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
705 unlock_input( p_mi );
709 /* Ignore previous exception */
715 unlock_input( p_mi );
716 libvlc_printerr( "No associated media descriptor" );
720 if( !p_mi->input.p_resource )
721 p_mi->input.p_resource = input_resource_New( VLC_OBJECT( p_mi ) );
722 p_input_thread = input_Create( p_mi, p_mi->p_md->p_input_item, NULL,
723 p_mi->input.p_resource );
725 if( !p_input_thread )
728 libvlc_printerr( "Not enough memory" );
732 var_AddCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
733 var_AddCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
734 var_AddCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
736 if( input_Start( p_input_thread ) )
739 var_DelCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
740 var_DelCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
741 var_DelCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
742 vlc_object_release( p_input_thread );
743 libvlc_printerr( "Input initialization failure" );
746 p_mi->input.p_thread = p_input_thread;
751 void libvlc_media_player_set_pause( libvlc_media_player_t *p_mi, int paused )
753 input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi );
754 if( !p_input_thread )
757 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
758 if( state == libvlc_Playing || state == libvlc_Buffering )
762 if( libvlc_media_player_can_pause( p_mi ) )
763 input_Control( p_input_thread, INPUT_SET_STATE, PAUSE_S );
765 libvlc_media_player_stop( p_mi );
771 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
774 vlc_object_release( p_input_thread );
777 /**************************************************************************
779 **************************************************************************/
780 void libvlc_media_player_pause( libvlc_media_player_t *p_mi )
782 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
783 bool playing = (state == libvlc_Playing || state == libvlc_Buffering);
785 libvlc_media_player_set_pause( p_mi, playing );
788 /**************************************************************************
789 * Tells whether the media player is currently playing.
791 * Enter with lock held.
792 **************************************************************************/
793 int libvlc_media_player_is_playing( libvlc_media_player_t *p_mi )
795 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
796 return (libvlc_Playing == state) || (libvlc_Buffering == state);
799 /**************************************************************************
801 **************************************************************************/
802 void libvlc_media_player_stop( libvlc_media_player_t *p_mi )
804 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
807 release_input_thread( p_mi, true ); /* This will stop the input thread */
809 /* Force to go to stopped state, in case we were in Ended, or Error
811 if( state != libvlc_Stopped )
813 set_state( p_mi, libvlc_Stopped, false );
815 /* Construct and send the event */
816 libvlc_event_t event;
817 event.type = libvlc_MediaPlayerStopped;
818 libvlc_event_send( p_mi->p_event_manager, &event );
821 if( p_mi->input.p_resource != NULL )
822 input_resource_Terminate( p_mi->input.p_resource );
827 void libvlc_video_set_callbacks( libvlc_media_player_t *mp,
828 void *(*lock_cb) (void *, void **),
829 void (*unlock_cb) (void *, void *, void *const *),
830 void (*display_cb) (void *, void *),
833 var_SetAddress( mp, "vmem-lock", lock_cb );
834 var_SetAddress( mp, "vmem-unlock", unlock_cb );
835 var_SetAddress( mp, "vmem-display", display_cb );
836 var_SetAddress( mp, "vmem-data", opaque );
837 var_SetString( mp, "vout", "vmem" );
840 void libvlc_video_set_format_callbacks( libvlc_media_player_t *mp,
841 libvlc_video_format_cb setup,
842 libvlc_video_cleanup_cb cleanup )
844 var_SetAddress( mp, "vmem-setup", setup );
845 var_SetAddress( mp, "vmem-cleanup", cleanup );
848 void libvlc_video_set_format( libvlc_media_player_t *mp, const char *chroma,
849 unsigned width, unsigned height, unsigned pitch )
851 var_SetString( mp, "vmem-chroma", chroma );
852 var_SetInteger( mp, "vmem-width", width );
853 var_SetInteger( mp, "vmem-height", height );
854 var_SetInteger( mp, "vmem-pitch", pitch );
857 /**************************************************************************
859 **************************************************************************/
860 void libvlc_media_player_set_nsobject( libvlc_media_player_t *p_mi,
863 assert (p_mi != NULL);
865 var_SetAddress (p_mi, "drawable-nsobject", drawable);
867 (void) p_mi; (void)drawable;
871 /**************************************************************************
873 **************************************************************************/
874 void * libvlc_media_player_get_nsobject( libvlc_media_player_t *p_mi )
876 assert (p_mi != NULL);
878 return var_GetAddress (p_mi, "drawable-nsobject");
884 /**************************************************************************
886 **************************************************************************/
887 void libvlc_media_player_set_agl( libvlc_media_player_t *p_mi,
891 var_SetInteger (p_mi, "drawable-agl", drawable);
893 (void) p_mi; (void)drawable;
897 /**************************************************************************
899 **************************************************************************/
900 uint32_t libvlc_media_player_get_agl( libvlc_media_player_t *p_mi )
902 assert (p_mi != NULL);
904 return var_GetInteger (p_mi, "drawable-agl");
910 /**************************************************************************
912 **************************************************************************/
913 void libvlc_media_player_set_xwindow( libvlc_media_player_t *p_mi,
916 assert (p_mi != NULL);
918 var_SetString (p_mi, "vout", drawable ? "xid" : "any");
919 var_SetString (p_mi, "window", drawable ? "embed-xid,any" : "any");
920 var_SetInteger (p_mi, "drawable-xid", drawable);
923 /**************************************************************************
925 **************************************************************************/
926 uint32_t libvlc_media_player_get_xwindow( libvlc_media_player_t *p_mi )
928 return var_GetInteger (p_mi, "drawable-xid");
931 /**************************************************************************
933 **************************************************************************/
934 void libvlc_media_player_set_hwnd( libvlc_media_player_t *p_mi,
937 assert (p_mi != NULL);
938 #if defined (WIN32) || defined (__OS2__)
939 var_SetString (p_mi, "window",
940 (drawable != NULL) ? "embed-hwnd,any" : "");
941 var_SetInteger (p_mi, "drawable-hwnd", (uintptr_t)drawable);
943 (void) p_mi; (void) drawable;
947 /**************************************************************************
949 **************************************************************************/
950 void *libvlc_media_player_get_hwnd( libvlc_media_player_t *p_mi )
952 assert (p_mi != NULL);
953 #if defined (WIN32) || defined (__OS2__)
954 return (void *)(uintptr_t)var_GetInteger (p_mi, "drawable-hwnd");
960 void libvlc_audio_set_callbacks( libvlc_media_player_t *mp,
961 libvlc_audio_play_cb play_cb,
962 libvlc_audio_pause_cb pause_cb,
963 libvlc_audio_resume_cb resume_cb,
964 libvlc_audio_flush_cb flush_cb,
965 libvlc_audio_drain_cb drain_cb,
968 var_SetAddress( mp, "amem-play", play_cb );
969 var_SetAddress( mp, "amem-pause", pause_cb );
970 var_SetAddress( mp, "amem-resume", resume_cb );
971 var_SetAddress( mp, "amem-flush", flush_cb );
972 var_SetAddress( mp, "amem-drain", drain_cb );
973 var_SetAddress( mp, "amem-data", opaque );
974 var_SetString( mp, "aout", "amem,none" );
977 void libvlc_audio_set_volume_callback( libvlc_media_player_t *mp,
978 libvlc_audio_set_volume_cb cb )
980 var_SetAddress( mp, "amem-set-volume", cb );
983 void libvlc_audio_set_format_callbacks( libvlc_media_player_t *mp,
984 libvlc_audio_setup_cb setup,
985 libvlc_audio_cleanup_cb cleanup )
987 var_SetAddress( mp, "amem-setup", setup );
988 var_SetAddress( mp, "amem-cleanup", cleanup );
991 void libvlc_audio_set_format( libvlc_media_player_t *mp, const char *format,
992 unsigned rate, unsigned channels )
994 var_SetString( mp, "amem-format", format );
995 var_SetInteger( mp, "amem-rate", rate );
996 var_SetInteger( mp, "amem-channels", channels );
1000 /**************************************************************************
1001 * Getters for stream information
1002 **************************************************************************/
1003 libvlc_time_t libvlc_media_player_get_length(
1004 libvlc_media_player_t *p_mi )
1006 input_thread_t *p_input_thread;
1007 libvlc_time_t i_time;
1009 p_input_thread = libvlc_get_input_thread ( p_mi );
1010 if( !p_input_thread )
1013 i_time = from_mtime(var_GetTime( p_input_thread, "length" ));
1014 vlc_object_release( p_input_thread );
1019 libvlc_time_t libvlc_media_player_get_time( libvlc_media_player_t *p_mi )
1021 input_thread_t *p_input_thread;
1022 libvlc_time_t i_time;
1024 p_input_thread = libvlc_get_input_thread ( p_mi );
1025 if( !p_input_thread )
1028 i_time = from_mtime(var_GetTime( p_input_thread , "time" ));
1029 vlc_object_release( p_input_thread );
1033 void libvlc_media_player_set_time( libvlc_media_player_t *p_mi,
1034 libvlc_time_t i_time )
1036 input_thread_t *p_input_thread;
1038 p_input_thread = libvlc_get_input_thread ( p_mi );
1039 if( !p_input_thread )
1042 var_SetTime( p_input_thread, "time", to_mtime(i_time) );
1043 vlc_object_release( p_input_thread );
1046 void libvlc_media_player_set_position( libvlc_media_player_t *p_mi,
1049 input_thread_t *p_input_thread;
1051 p_input_thread = libvlc_get_input_thread ( p_mi );
1052 if( !p_input_thread )
1055 var_SetFloat( p_input_thread, "position", position );
1056 vlc_object_release( p_input_thread );
1059 float libvlc_media_player_get_position( libvlc_media_player_t *p_mi )
1061 input_thread_t *p_input_thread;
1064 p_input_thread = libvlc_get_input_thread ( p_mi );
1065 if( !p_input_thread )
1068 f_position = var_GetFloat( p_input_thread, "position" );
1069 vlc_object_release( p_input_thread );
1074 void libvlc_media_player_set_chapter( libvlc_media_player_t *p_mi,
1077 input_thread_t *p_input_thread;
1079 p_input_thread = libvlc_get_input_thread ( p_mi );
1080 if( !p_input_thread )
1083 var_SetInteger( p_input_thread, "chapter", chapter );
1084 vlc_object_release( p_input_thread );
1087 int libvlc_media_player_get_chapter( 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_chapter = var_GetInteger( p_input_thread, "chapter" );
1097 vlc_object_release( p_input_thread );
1102 int libvlc_media_player_get_chapter_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, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
1112 vlc_object_release( p_input_thread );
1117 int libvlc_media_player_get_chapter_count_for_title(
1118 libvlc_media_player_t *p_mi,
1121 input_thread_t *p_input_thread;
1124 p_input_thread = libvlc_get_input_thread ( p_mi );
1125 if( !p_input_thread )
1129 if( asprintf( &psz_name, "title %2i", i_title ) == -1 )
1131 vlc_object_release( p_input_thread );
1134 var_Change( p_input_thread, psz_name, VLC_VAR_CHOICESCOUNT, &val, NULL );
1135 vlc_object_release( p_input_thread );
1141 void libvlc_media_player_set_title( libvlc_media_player_t *p_mi,
1144 input_thread_t *p_input_thread;
1146 p_input_thread = libvlc_get_input_thread ( p_mi );
1147 if( !p_input_thread )
1150 var_SetInteger( p_input_thread, "title", i_title );
1151 vlc_object_release( p_input_thread );
1154 libvlc_event_t event;
1155 event.type = libvlc_MediaPlayerTitleChanged;
1156 event.u.media_player_title_changed.new_title = i_title;
1157 libvlc_event_send( p_mi->p_event_manager, &event );
1160 int libvlc_media_player_get_title( libvlc_media_player_t *p_mi )
1162 input_thread_t *p_input_thread;
1165 p_input_thread = libvlc_get_input_thread ( p_mi );
1166 if( !p_input_thread )
1169 i_title = var_GetInteger( p_input_thread, "title" );
1170 vlc_object_release( p_input_thread );
1175 int libvlc_media_player_get_title_count( libvlc_media_player_t *p_mi )
1177 input_thread_t *p_input_thread;
1180 p_input_thread = libvlc_get_input_thread ( p_mi );
1181 if( !p_input_thread )
1184 var_Change( p_input_thread, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
1185 vlc_object_release( p_input_thread );
1190 void libvlc_media_player_next_chapter( libvlc_media_player_t *p_mi )
1192 input_thread_t *p_input_thread;
1194 p_input_thread = libvlc_get_input_thread ( p_mi );
1195 if( !p_input_thread )
1198 int i_type = var_Type( p_input_thread, "next-chapter" );
1199 var_TriggerCallback( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1200 "next-chapter":"next-title" );
1202 vlc_object_release( p_input_thread );
1205 void libvlc_media_player_previous_chapter( libvlc_media_player_t *p_mi )
1207 input_thread_t *p_input_thread;
1209 p_input_thread = libvlc_get_input_thread ( p_mi );
1210 if( !p_input_thread )
1213 int i_type = var_Type( p_input_thread, "next-chapter" );
1214 var_TriggerCallback( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1215 "prev-chapter":"prev-title" );
1217 vlc_object_release( p_input_thread );
1220 float libvlc_media_player_get_fps( libvlc_media_player_t *p_mi )
1222 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1225 if( p_input_thread )
1227 if( input_Control( p_input_thread, INPUT_GET_VIDEO_FPS, &f_fps ) )
1229 vlc_object_release( p_input_thread );
1234 int libvlc_media_player_will_play( libvlc_media_player_t *p_mi )
1237 input_thread_t *p_input_thread =
1238 libvlc_get_input_thread ( p_mi );
1239 if ( !p_input_thread )
1242 b_will_play = !p_input_thread->b_die && !p_input_thread->b_dead;
1243 vlc_object_release( p_input_thread );
1248 int libvlc_media_player_set_rate( libvlc_media_player_t *p_mi, float rate )
1252 libvlc_printerr ("Playing backward not supported");
1256 var_SetFloat (p_mi, "rate", rate);
1258 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1259 if( !p_input_thread )
1261 var_SetFloat( p_input_thread, "rate", rate );
1262 vlc_object_release( p_input_thread );
1266 float libvlc_media_player_get_rate( libvlc_media_player_t *p_mi )
1268 return var_GetFloat (p_mi, "rate");
1271 libvlc_state_t libvlc_media_player_get_state( libvlc_media_player_t *p_mi )
1274 libvlc_state_t state = p_mi->state;
1279 int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi )
1281 input_thread_t *p_input_thread;
1284 p_input_thread = libvlc_get_input_thread ( p_mi );
1285 if ( !p_input_thread )
1287 b_seekable = var_GetBool( p_input_thread, "can-seek" );
1288 vlc_object_release( p_input_thread );
1293 void libvlc_media_player_navigate( libvlc_media_player_t* p_mi,
1296 input_thread_t *p_input_thread;
1298 if ( navigate > libvlc_navigate_to_action_size)
1301 p_input_thread = libvlc_get_input_thread ( p_mi );
1302 if ( !p_input_thread )
1305 var_SetInteger( p_mi->p_libvlc_instance->p_libvlc_int,
1306 "key-action", libvlc_navigate_to_action[navigate] );
1308 vlc_object_release( p_input_thread );
1311 /* internal function, used by audio, video */
1312 libvlc_track_description_t *
1313 libvlc_get_track_description( libvlc_media_player_t *p_mi,
1314 const char *psz_variable )
1316 input_thread_t *p_input = libvlc_get_input_thread( p_mi );
1317 libvlc_track_description_t *p_track_description = NULL,
1318 *p_actual, *p_previous;
1323 vlc_value_t val_list, text_list;
1324 var_Change( p_input, psz_variable, VLC_VAR_GETLIST, &val_list, &text_list);
1327 if( val_list.p_list->i_count <= 0 )
1330 p_track_description = ( libvlc_track_description_t * )
1331 malloc( sizeof( libvlc_track_description_t ) );
1332 if ( !p_track_description )
1334 libvlc_printerr( "Not enough memory" );
1337 p_actual = p_track_description;
1339 for( int i = 0; i < val_list.p_list->i_count; i++ )
1343 p_actual = ( libvlc_track_description_t * )
1344 malloc( sizeof( libvlc_track_description_t ) );
1347 libvlc_track_description_list_release( p_track_description );
1348 libvlc_printerr( "Not enough memory" );
1352 p_actual->i_id = val_list.p_list->p_values[i].i_int;
1353 p_actual->psz_name = strdup( text_list.p_list->p_values[i].psz_string );
1354 p_actual->p_next = NULL;
1356 p_previous->p_next = p_actual;
1357 p_previous = p_actual;
1362 var_FreeList( &val_list, &text_list );
1363 vlc_object_release( p_input );
1365 return p_track_description;
1368 // Deprecated alias for libvlc_track_description_list_release
1369 void libvlc_track_description_release( libvlc_track_description_t *p_td )
1371 libvlc_track_description_list_release( p_td );
1374 void libvlc_track_description_list_release( libvlc_track_description_t *p_td )
1376 libvlc_track_description_t *p_actual, *p_before;
1381 free( p_actual->psz_name );
1382 p_before = p_actual;
1383 p_actual = p_before->p_next;
1388 int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi )
1390 input_thread_t *p_input_thread;
1393 p_input_thread = libvlc_get_input_thread ( p_mi );
1394 if ( !p_input_thread )
1396 b_can_pause = var_GetBool( p_input_thread, "can-pause" );
1397 vlc_object_release( p_input_thread );
1402 void libvlc_media_player_next_frame( libvlc_media_player_t *p_mi )
1404 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1405 if( p_input_thread != NULL )
1407 var_TriggerCallback( p_input_thread, "frame-next" );
1408 vlc_object_release( p_input_thread );