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 );
302 else if( newval.i_int == INPUT_EVENT_CACHE )
304 event.type = libvlc_MediaPlayerBuffering;
305 event.u.media_player_buffering.new_cache = (int)(100 *
306 var_GetFloat( p_input, "cache" ));
307 libvlc_event_send( p_mi->p_event_manager, &event );
313 /**************************************************************************
314 * Snapshot Taken Event.
316 * FIXME: This snapshot API interface makes no sense in media_player.
317 *************************************************************************/
318 static int snapshot_was_taken(vlc_object_t *p_this, char const *psz_cmd,
319 vlc_value_t oldval, vlc_value_t newval, void *p_data )
321 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_this);
323 libvlc_media_player_t *mp = p_data;
324 libvlc_event_t event;
325 event.type = libvlc_MediaPlayerSnapshotTaken;
326 event.u.media_player_snapshot_taken.psz_filename = newval.psz_string;
327 libvlc_event_send(mp->p_event_manager, &event);
332 static input_thread_t *find_input (vlc_object_t *obj)
334 libvlc_media_player_t *mp = (libvlc_media_player_t *)obj;
336 return libvlc_get_input_thread (mp);
340 static void libvlc_media_player_destroy( libvlc_media_player_t * );
343 /**************************************************************************
344 * Create a Media Instance object.
347 * - All items created by _new start with a refcount set to 1.
348 * - Accessor _release decrease the refcount by 1, if after that
349 * operation the refcount is 0, the object is destroyed.
350 * - Accessor _retain increase the refcount by 1 (XXX: to implement)
352 * Object locking strategy:
353 * - No lock held while in constructor.
354 * - When accessing any member variable this lock is held. (XXX who locks?)
355 * - When attempting to destroy the object the lock is also held.
356 **************************************************************************/
357 libvlc_media_player_t *
358 libvlc_media_player_new( libvlc_instance_t *instance )
360 libvlc_media_player_t * mp;
364 mp = vlc_object_create (instance->p_libvlc_int, sizeof(*mp));
365 if (unlikely(mp == NULL))
367 libvlc_printerr("Not enough memory");
370 vlc_object_attach (mp, mp->p_libvlc);
373 var_Create (mp, "rate", VLC_VAR_FLOAT|VLC_VAR_DOINHERIT);
376 var_Create (mp, "vout", VLC_VAR_STRING|VLC_VAR_DOINHERIT);
377 var_Create (mp, "window", VLC_VAR_STRING);
378 var_Create (mp, "vmem-lock", VLC_VAR_ADDRESS);
379 var_Create (mp, "vmem-unlock", VLC_VAR_ADDRESS);
380 var_Create (mp, "vmem-display", VLC_VAR_ADDRESS);
381 var_Create (mp, "vmem-data", VLC_VAR_ADDRESS);
382 var_Create (mp, "vmem-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
383 var_Create (mp, "vmem-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
384 var_Create (mp, "vmem-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
385 var_Create (mp, "vmem-pitch", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
386 var_Create (mp, "drawable-xid", VLC_VAR_INTEGER);
388 var_Create (mp, "drawable-hwnd", VLC_VAR_ADDRESS);
391 var_Create (mp, "drawable-agl", VLC_VAR_INTEGER);
392 var_Create (mp, "drawable-nsobject", VLC_VAR_ADDRESS);
395 var_Create (mp, "keyboard-events", VLC_VAR_BOOL);
396 var_SetBool (mp, "keyboard-events", true);
397 var_Create (mp, "mouse-events", VLC_VAR_BOOL);
398 var_SetBool (mp, "mouse-events", true);
400 var_Create (mp, "fullscreen", VLC_VAR_BOOL);
401 var_Create (mp, "autoscale", VLC_VAR_BOOL);
402 var_SetBool (mp, "autoscale", true);
403 var_Create (mp, "scale", VLC_VAR_FLOAT);
404 var_SetFloat (mp, "scale", 1.);
405 var_Create (mp, "aspect-ratio", VLC_VAR_STRING);
406 var_Create (mp, "crop", VLC_VAR_STRING);
407 var_Create (mp, "deinterlace", VLC_VAR_INTEGER);
408 var_Create (mp, "deinterlace-mode", VLC_VAR_STRING);
410 var_Create (mp, "vbi-page", VLC_VAR_INTEGER);
412 var_Create (mp, "marq-marquee", VLC_VAR_STRING);
413 var_Create (mp, "marq-color", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
414 var_Create (mp, "marq-opacity", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
415 var_Create (mp, "marq-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
416 var_Create (mp, "marq-refresh", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
417 var_Create (mp, "marq-size", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
418 var_Create (mp, "marq-timeout", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
419 var_Create (mp, "marq-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
420 var_Create (mp, "marq-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
422 var_Create (mp, "logo-file", VLC_VAR_STRING);
423 var_Create (mp, "logo-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
424 var_Create (mp, "logo-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
425 var_Create (mp, "logo-delay", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
426 var_Create (mp, "logo-repeat", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
427 var_Create (mp, "logo-opacity", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
428 var_Create (mp, "logo-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
430 var_Create (mp, "contrast", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
431 var_Create (mp, "brightness", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
432 var_Create (mp, "hue", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
433 var_Create (mp, "saturation", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
434 var_Create (mp, "gamma", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
437 var_Create (mp, "aout", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
438 var_Create (mp, "volume-muted", VLC_VAR_BOOL);
439 var_Create (mp, "saved-volume", VLC_VAR_INTEGER);
440 var_Create (mp, "volume-change", VLC_VAR_VOID);
441 var_Create (mp, "find-input-callback", VLC_VAR_ADDRESS);
442 var_SetAddress (mp, "find-input-callback", find_input);
445 mp->state = libvlc_NothingSpecial;
446 mp->p_libvlc_instance = instance;
447 mp->input.p_thread = NULL;
448 mp->input.p_resource = NULL;
449 vlc_mutex_init (&mp->input.lock);
451 mp->p_event_manager = libvlc_event_manager_new(mp, instance);
452 if (unlikely(mp->p_event_manager == NULL))
454 vlc_object_release(mp);
457 vlc_mutex_init(&mp->object_lock);
459 register_event(mp, NothingSpecial);
460 register_event(mp, Opening);
461 register_event(mp, Buffering);
462 register_event(mp, Playing);
463 register_event(mp, Paused);
464 register_event(mp, Stopped);
465 register_event(mp, Forward);
466 register_event(mp, Backward);
467 register_event(mp, EndReached);
468 register_event(mp, EncounteredError);
469 register_event(mp, SeekableChanged);
471 register_event(mp, PositionChanged);
472 register_event(mp, TimeChanged);
473 register_event(mp, LengthChanged);
474 register_event(mp, TitleChanged);
475 register_event(mp, PausableChanged);
477 /* Snapshot initialization */
478 register_event(mp, SnapshotTaken);
480 register_event(mp, MediaChanged);
482 /* Attach a var callback to the global object to provide the glue between
483 * vout_thread that generates the event and media_player that re-emits it
484 * with its own event manager
486 * FIXME: It's unclear why we want to put this in public API, and why we
487 * want to expose it in such a limiting and ugly way.
489 var_AddCallback(mp->p_libvlc, "snapshot-file", snapshot_was_taken, mp);
491 libvlc_retain(instance);
495 /**************************************************************************
496 * Create a Media Instance object with a media descriptor.
497 **************************************************************************/
498 libvlc_media_player_t *
499 libvlc_media_player_new_from_media( libvlc_media_t * p_md )
501 libvlc_media_player_t * p_mi;
503 p_mi = libvlc_media_player_new( p_md->p_libvlc_instance );
507 libvlc_media_retain( p_md );
513 /**************************************************************************
514 * Destroy a Media Instance object (libvlc internal)
516 * Warning: No lock held here, but hey, this is internal. Caller must lock.
517 **************************************************************************/
518 static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi )
522 /* Detach Callback from the main libvlc object */
523 var_DelCallback( p_mi->p_libvlc,
524 "snapshot-file", snapshot_was_taken, p_mi );
526 /* No need for lock_input() because no other threads knows us anymore */
527 if( p_mi->input.p_thread )
528 release_input_thread(p_mi, true);
529 if( p_mi->input.p_resource )
531 input_resource_Terminate( p_mi->input.p_resource );
532 input_resource_Release( p_mi->input.p_resource );
533 p_mi->input.p_resource = NULL;
535 vlc_mutex_destroy( &p_mi->input.lock );
537 libvlc_event_manager_release( p_mi->p_event_manager );
538 libvlc_media_release( p_mi->p_md );
539 vlc_mutex_destroy( &p_mi->object_lock );
541 libvlc_instance_t *instance = p_mi->p_libvlc_instance;
542 vlc_object_release( p_mi );
543 libvlc_release(instance);
546 /**************************************************************************
547 * Release a Media Instance object.
549 * Function does the locking.
550 **************************************************************************/
551 void libvlc_media_player_release( libvlc_media_player_t *p_mi )
557 destroy = !--p_mi->i_refcount;
561 libvlc_media_player_destroy( p_mi );
564 /**************************************************************************
565 * Retain a Media Instance object.
567 * Caller must hold the lock.
568 **************************************************************************/
569 void libvlc_media_player_retain( libvlc_media_player_t *p_mi )
578 /**************************************************************************
579 * Set the Media descriptor associated with the instance.
581 * Enter without lock -- function will lock the object.
582 **************************************************************************/
583 void libvlc_media_player_set_media(
584 libvlc_media_player_t *p_mi,
585 libvlc_media_t *p_md )
589 /* FIXME I am not sure if it is a user request or on die(eof/error)
591 release_input_thread( p_mi,
592 p_mi->input.p_thread &&
593 !p_mi->input.p_thread->b_eof &&
594 !p_mi->input.p_thread->b_error );
597 set_state( p_mi, libvlc_NothingSpecial, true );
598 unlock_input( p_mi );
600 libvlc_media_release( p_mi->p_md );
606 return; /* It is ok to pass a NULL md */
609 libvlc_media_retain( p_md );
612 /* The policy here is to ignore that we were created using a different
613 * libvlc_instance, because we don't really care */
614 p_mi->p_libvlc_instance = p_md->p_libvlc_instance;
618 /* Send an event for the newly available media */
619 libvlc_event_t event;
620 event.type = libvlc_MediaPlayerMediaChanged;
621 event.u.media_player_media_changed.new_media = p_md;
622 libvlc_event_send( p_mi->p_event_manager, &event );
626 /**************************************************************************
627 * Get the Media descriptor associated with the instance.
628 **************************************************************************/
630 libvlc_media_player_get_media( libvlc_media_player_t *p_mi )
637 libvlc_media_retain( p_mi->p_md );
642 /**************************************************************************
643 * Get the event Manager.
644 **************************************************************************/
645 libvlc_event_manager_t *
646 libvlc_media_player_event_manager( libvlc_media_player_t *p_mi )
648 return p_mi->p_event_manager;
651 /**************************************************************************
652 * Tell media player to start playing.
653 **************************************************************************/
654 int libvlc_media_player_play( libvlc_media_player_t *p_mi )
658 input_thread_t *p_input_thread = p_mi->input.p_thread;
661 /* A thread already exists, send it a play message */
662 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
663 unlock_input( p_mi );
667 /* Ignore previous exception */
673 unlock_input( p_mi );
674 libvlc_printerr( "No associated media descriptor" );
678 if( !p_mi->input.p_resource )
679 p_mi->input.p_resource = input_resource_New( VLC_OBJECT( p_mi ) );
680 p_input_thread = input_Create( p_mi, p_mi->p_md->p_input_item, NULL,
681 p_mi->input.p_resource );
683 if( !p_input_thread )
686 libvlc_printerr( "Not enough memory" );
690 var_AddCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
691 var_AddCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
692 var_AddCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
694 if( input_Start( p_input_thread ) )
697 var_DelCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
698 var_DelCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
699 var_DelCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
700 vlc_object_release( p_input_thread );
701 libvlc_printerr( "Input initialization failure" );
704 p_mi->input.p_thread = p_input_thread;
709 void libvlc_media_player_set_pause( libvlc_media_player_t *p_mi, int paused )
711 input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi );
712 if( !p_input_thread )
715 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
716 if( state == libvlc_Playing || state == libvlc_Buffering )
720 if( libvlc_media_player_can_pause( p_mi ) )
721 input_Control( p_input_thread, INPUT_SET_STATE, PAUSE_S );
723 libvlc_media_player_stop( p_mi );
729 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
732 vlc_object_release( p_input_thread );
735 /**************************************************************************
737 **************************************************************************/
738 void libvlc_media_player_pause( libvlc_media_player_t *p_mi )
740 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
741 bool playing = (state == libvlc_Playing || state == libvlc_Buffering);
743 libvlc_media_player_set_pause( p_mi, playing );
746 /**************************************************************************
747 * Tells whether the media player is currently playing.
749 * Enter with lock held.
750 **************************************************************************/
751 int libvlc_media_player_is_playing( libvlc_media_player_t *p_mi )
753 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
754 return (libvlc_Playing == state) || (libvlc_Buffering == state);
757 /**************************************************************************
759 **************************************************************************/
760 void libvlc_media_player_stop( libvlc_media_player_t *p_mi )
762 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
765 release_input_thread( p_mi, true ); /* This will stop the input thread */
767 /* Force to go to stopped state, in case we were in Ended, or Error
769 if( state != libvlc_Stopped )
771 set_state( p_mi, libvlc_Stopped, false );
773 /* Construct and send the event */
774 libvlc_event_t event;
775 event.type = libvlc_MediaPlayerStopped;
776 libvlc_event_send( p_mi->p_event_manager, &event );
779 if( p_mi->input.p_resource != NULL )
780 input_resource_TerminateVout( p_mi->input.p_resource );
785 void libvlc_video_set_callbacks( libvlc_media_player_t *mp,
786 void *(*lock_cb) (void *, void **),
787 void (*unlock_cb) (void *, void *, void *const *),
788 void (*display_cb) (void *, void *),
791 var_SetAddress( mp, "vmem-lock", lock_cb );
792 var_SetAddress( mp, "vmem-unlock", unlock_cb );
793 var_SetAddress( mp, "vmem-display", display_cb );
794 var_SetAddress( mp, "vmem-data", opaque );
795 var_SetString( mp, "vout", "vmem" );
798 void libvlc_video_set_format( libvlc_media_player_t *mp, const char *chroma,
799 unsigned width, unsigned height, unsigned pitch )
801 var_SetString( mp, "vmem-chroma", chroma );
802 var_SetInteger( mp, "vmem-width", width );
803 var_SetInteger( mp, "vmem-height", height );
804 var_SetInteger( mp, "vmem-pitch", pitch );
807 /**************************************************************************
809 **************************************************************************/
810 void libvlc_media_player_set_nsobject( libvlc_media_player_t *p_mi,
813 assert (p_mi != NULL);
815 var_SetAddress (p_mi, "drawable-nsobject", drawable);
817 (void) p_mi; (void)drawable;
821 /**************************************************************************
823 **************************************************************************/
824 void * libvlc_media_player_get_nsobject( libvlc_media_player_t *p_mi )
826 assert (p_mi != NULL);
828 return var_GetAddress (p_mi, "drawable-nsobject");
834 /**************************************************************************
836 **************************************************************************/
837 void libvlc_media_player_set_agl( libvlc_media_player_t *p_mi,
841 var_SetInteger (p_mi, "drawable-agl", drawable);
843 (void) p_mi; (void)drawable;
847 /**************************************************************************
849 **************************************************************************/
850 uint32_t libvlc_media_player_get_agl( libvlc_media_player_t *p_mi )
852 assert (p_mi != NULL);
854 return var_GetInteger (p_mi, "drawable-agl");
860 /**************************************************************************
862 **************************************************************************/
863 void libvlc_media_player_set_xwindow( libvlc_media_player_t *p_mi,
866 assert (p_mi != NULL);
868 var_SetString (p_mi, "vout", drawable ? "xid" : "any");
869 var_SetString (p_mi, "window", drawable ? "embed-xid,any" : "any");
870 var_SetInteger (p_mi, "drawable-xid", drawable);
873 /**************************************************************************
875 **************************************************************************/
876 uint32_t libvlc_media_player_get_xwindow( libvlc_media_player_t *p_mi )
878 return var_GetInteger (p_mi, "drawable-xid");
881 /**************************************************************************
883 **************************************************************************/
884 void libvlc_media_player_set_hwnd( libvlc_media_player_t *p_mi,
887 assert (p_mi != NULL);
889 var_SetString (p_mi, "window",
890 (drawable != NULL) ? "embed-hwnd,any" : "");
891 var_SetAddress (p_mi, "drawable-hwnd", drawable);
893 (void) p_mi; (void) drawable;
897 /**************************************************************************
899 **************************************************************************/
900 void *libvlc_media_player_get_hwnd( libvlc_media_player_t *p_mi )
902 assert (p_mi != NULL);
904 return var_GetAddress (p_mi, "drawable-hwnd");
910 /**************************************************************************
911 * Getters for stream information
912 **************************************************************************/
913 libvlc_time_t libvlc_media_player_get_length(
914 libvlc_media_player_t *p_mi )
916 input_thread_t *p_input_thread;
917 libvlc_time_t i_time;
919 p_input_thread = libvlc_get_input_thread ( p_mi );
920 if( !p_input_thread )
923 i_time = from_mtime(var_GetTime( p_input_thread, "length" ));
924 vlc_object_release( p_input_thread );
929 libvlc_time_t libvlc_media_player_get_time( libvlc_media_player_t *p_mi )
931 input_thread_t *p_input_thread;
932 libvlc_time_t i_time;
934 p_input_thread = libvlc_get_input_thread ( p_mi );
935 if( !p_input_thread )
938 i_time = from_mtime(var_GetTime( p_input_thread , "time" ));
939 vlc_object_release( p_input_thread );
943 void libvlc_media_player_set_time( libvlc_media_player_t *p_mi,
944 libvlc_time_t i_time )
946 input_thread_t *p_input_thread;
948 p_input_thread = libvlc_get_input_thread ( p_mi );
949 if( !p_input_thread )
952 var_SetTime( p_input_thread, "time", to_mtime(i_time) );
953 vlc_object_release( p_input_thread );
956 void libvlc_media_player_set_position( libvlc_media_player_t *p_mi,
959 input_thread_t *p_input_thread;
961 p_input_thread = libvlc_get_input_thread ( p_mi );
962 if( !p_input_thread )
965 var_SetFloat( p_input_thread, "position", position );
966 vlc_object_release( p_input_thread );
969 float libvlc_media_player_get_position( libvlc_media_player_t *p_mi )
971 input_thread_t *p_input_thread;
974 p_input_thread = libvlc_get_input_thread ( p_mi );
975 if( !p_input_thread )
978 f_position = var_GetFloat( p_input_thread, "position" );
979 vlc_object_release( p_input_thread );
984 void libvlc_media_player_set_chapter( libvlc_media_player_t *p_mi,
987 input_thread_t *p_input_thread;
989 p_input_thread = libvlc_get_input_thread ( p_mi );
990 if( !p_input_thread )
993 var_SetInteger( p_input_thread, "chapter", chapter );
994 vlc_object_release( p_input_thread );
997 int libvlc_media_player_get_chapter( libvlc_media_player_t *p_mi )
999 input_thread_t *p_input_thread;
1002 p_input_thread = libvlc_get_input_thread ( p_mi );
1003 if( !p_input_thread )
1006 i_chapter = var_GetInteger( p_input_thread, "chapter" );
1007 vlc_object_release( p_input_thread );
1012 int libvlc_media_player_get_chapter_count( libvlc_media_player_t *p_mi )
1014 input_thread_t *p_input_thread;
1017 p_input_thread = libvlc_get_input_thread ( p_mi );
1018 if( !p_input_thread )
1021 var_Change( p_input_thread, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
1022 vlc_object_release( p_input_thread );
1027 int libvlc_media_player_get_chapter_count_for_title(
1028 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 )
1039 if( asprintf( &psz_name, "title %2i", i_title ) == -1 )
1041 vlc_object_release( p_input_thread );
1044 var_Change( p_input_thread, psz_name, VLC_VAR_CHOICESCOUNT, &val, NULL );
1045 vlc_object_release( p_input_thread );
1051 void libvlc_media_player_set_title( libvlc_media_player_t *p_mi,
1054 input_thread_t *p_input_thread;
1056 p_input_thread = libvlc_get_input_thread ( p_mi );
1057 if( !p_input_thread )
1060 var_SetInteger( p_input_thread, "title", i_title );
1061 vlc_object_release( p_input_thread );
1064 libvlc_event_t event;
1065 event.type = libvlc_MediaPlayerTitleChanged;
1066 event.u.media_player_title_changed.new_title = i_title;
1067 libvlc_event_send( p_mi->p_event_manager, &event );
1070 int libvlc_media_player_get_title( libvlc_media_player_t *p_mi )
1072 input_thread_t *p_input_thread;
1075 p_input_thread = libvlc_get_input_thread ( p_mi );
1076 if( !p_input_thread )
1079 i_title = var_GetInteger( p_input_thread, "title" );
1080 vlc_object_release( p_input_thread );
1085 int libvlc_media_player_get_title_count( libvlc_media_player_t *p_mi )
1087 input_thread_t *p_input_thread;
1090 p_input_thread = libvlc_get_input_thread ( p_mi );
1091 if( !p_input_thread )
1094 var_Change( p_input_thread, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
1095 vlc_object_release( p_input_thread );
1100 void libvlc_media_player_next_chapter( libvlc_media_player_t *p_mi )
1102 input_thread_t *p_input_thread;
1104 p_input_thread = libvlc_get_input_thread ( p_mi );
1105 if( !p_input_thread )
1108 int i_type = var_Type( p_input_thread, "next-chapter" );
1109 var_SetBool( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1110 "next-chapter":"next-title", true );
1112 vlc_object_release( p_input_thread );
1115 void libvlc_media_player_previous_chapter( libvlc_media_player_t *p_mi )
1117 input_thread_t *p_input_thread;
1119 p_input_thread = libvlc_get_input_thread ( p_mi );
1120 if( !p_input_thread )
1123 int i_type = var_Type( p_input_thread, "next-chapter" );
1124 var_SetBool( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1125 "prev-chapter":"prev-title", true );
1127 vlc_object_release( p_input_thread );
1130 float libvlc_media_player_get_fps( libvlc_media_player_t *p_mi )
1132 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1135 if( p_input_thread )
1137 if( input_Control( p_input_thread, INPUT_GET_VIDEO_FPS, &f_fps ) )
1139 vlc_object_release( p_input_thread );
1144 int libvlc_media_player_will_play( libvlc_media_player_t *p_mi )
1147 input_thread_t *p_input_thread =
1148 libvlc_get_input_thread ( p_mi );
1149 if ( !p_input_thread )
1152 b_will_play = !p_input_thread->b_die && !p_input_thread->b_dead;
1153 vlc_object_release( p_input_thread );
1158 int libvlc_media_player_set_rate( libvlc_media_player_t *p_mi, float rate )
1162 libvlc_printerr ("Playing backward not supported");
1166 var_SetFloat (p_mi, "rate", rate);
1168 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1169 if( !p_input_thread )
1171 var_SetFloat( p_input_thread, "rate", rate );
1172 vlc_object_release( p_input_thread );
1176 float libvlc_media_player_get_rate( libvlc_media_player_t *p_mi )
1178 return var_GetFloat (p_mi, "rate");
1181 libvlc_state_t libvlc_media_player_get_state( libvlc_media_player_t *p_mi )
1184 libvlc_state_t state = p_mi->state;
1189 int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi )
1191 input_thread_t *p_input_thread;
1194 p_input_thread = libvlc_get_input_thread ( p_mi );
1195 if ( !p_input_thread )
1197 b_seekable = var_GetBool( p_input_thread, "can-seek" );
1198 vlc_object_release( p_input_thread );
1203 /* internal function, used by audio, video */
1204 libvlc_track_description_t *
1205 libvlc_get_track_description( libvlc_media_player_t *p_mi,
1206 const char *psz_variable )
1208 input_thread_t *p_input = libvlc_get_input_thread( p_mi );
1209 libvlc_track_description_t *p_track_description = NULL,
1210 *p_actual, *p_previous;
1215 vlc_value_t val_list, text_list;
1216 var_Change( p_input, psz_variable, VLC_VAR_GETLIST, &val_list, &text_list);
1219 if( val_list.p_list->i_count <= 0 )
1222 p_track_description = ( libvlc_track_description_t * )
1223 malloc( sizeof( libvlc_track_description_t ) );
1224 if ( !p_track_description )
1226 libvlc_printerr( "Not enough memory" );
1229 p_actual = p_track_description;
1231 for( int i = 0; i < val_list.p_list->i_count; i++ )
1235 p_actual = ( libvlc_track_description_t * )
1236 malloc( sizeof( libvlc_track_description_t ) );
1239 libvlc_track_description_release( p_track_description );
1240 libvlc_printerr( "Not enough memory" );
1244 p_actual->i_id = val_list.p_list->p_values[i].i_int;
1245 p_actual->psz_name = strdup( text_list.p_list->p_values[i].psz_string );
1246 p_actual->p_next = NULL;
1248 p_previous->p_next = p_actual;
1249 p_previous = p_actual;
1254 var_FreeList( &val_list, &text_list );
1255 vlc_object_release( p_input );
1257 return p_track_description;
1260 void libvlc_track_description_release( libvlc_track_description_t *p_td )
1262 libvlc_track_description_t *p_actual, *p_before;
1267 free( p_actual->psz_name );
1268 p_before = p_actual;
1269 p_actual = p_before->p_next;
1274 int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi )
1276 input_thread_t *p_input_thread;
1279 p_input_thread = libvlc_get_input_thread ( p_mi );
1280 if ( !p_input_thread )
1282 b_can_pause = var_GetBool( p_input_thread, "can-pause" );
1283 vlc_object_release( p_input_thread );
1288 void libvlc_media_player_next_frame( libvlc_media_player_t *p_mi )
1290 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1291 if( p_input_thread != NULL )
1293 var_TriggerCallback( p_input_thread, "frame-next" );
1294 vlc_object_release( p_input_thread );