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_action_t
48 static const vlc_action_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 )
132 p_mi->input.p_thread = NULL;
134 var_DelCallback( p_input_thread, "can-seek",
135 input_seekable_changed, p_mi );
136 var_DelCallback( p_input_thread, "can-pause",
137 input_pausable_changed, p_mi );
138 var_DelCallback( p_input_thread, "intf-event",
139 input_event_changed, p_mi );
141 /* We owned this one */
142 input_Stop( p_input_thread, b_input_abort );
143 input_Close( p_input_thread );
147 * Retrieve the input thread. Be sure to release the object
148 * once you are done with it. (libvlc Internal)
150 input_thread_t *libvlc_get_input_thread( libvlc_media_player_t *p_mi )
152 input_thread_t *p_input_thread;
157 p_input_thread = p_mi->input.p_thread;
159 vlc_object_hold( p_input_thread );
161 libvlc_printerr( "No active input" );
164 return p_input_thread;
168 * Set the internal state of the media_player. (media player Internal)
170 * Function will lock the media_player.
172 static void set_state( libvlc_media_player_t *p_mi, libvlc_state_t state,
179 libvlc_media_t *media = p_mi->p_md;
181 libvlc_media_retain(media);
188 // Also set the state of the corresponding media
189 // This is strictly for convenience.
190 libvlc_media_set_state(media, state);
192 libvlc_media_release(media);
197 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
198 vlc_value_t oldval, vlc_value_t newval,
204 libvlc_media_player_t * p_mi = p_userdata;
205 libvlc_event_t event;
207 event.type = libvlc_MediaPlayerSeekableChanged;
208 event.u.media_player_seekable_changed.new_seekable = newval.b_bool;
210 libvlc_event_send( p_mi->p_event_manager, &event );
215 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
216 vlc_value_t oldval, vlc_value_t newval,
222 libvlc_media_player_t * p_mi = p_userdata;
223 libvlc_event_t event;
225 event.type = libvlc_MediaPlayerPausableChanged;
226 event.u.media_player_pausable_changed.new_pausable = newval.b_bool;
228 libvlc_event_send( p_mi->p_event_manager, &event );
233 input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
234 vlc_value_t oldval, vlc_value_t newval,
238 input_thread_t * p_input = (input_thread_t *)p_this;
239 libvlc_media_player_t * p_mi = p_userdata;
240 libvlc_event_t event;
242 assert( !strcmp( psz_cmd, "intf-event" ) );
244 if( newval.i_int == INPUT_EVENT_STATE )
246 libvlc_state_t libvlc_state;
248 switch ( var_GetInteger( p_input, "state" ) )
251 libvlc_state = libvlc_NothingSpecial;
252 event.type = libvlc_MediaPlayerNothingSpecial;
255 libvlc_state = libvlc_Opening;
256 event.type = libvlc_MediaPlayerOpening;
259 libvlc_state = libvlc_Playing;
260 event.type = libvlc_MediaPlayerPlaying;
263 libvlc_state = libvlc_Paused;
264 event.type = libvlc_MediaPlayerPaused;
267 libvlc_state = libvlc_Ended;
268 event.type = libvlc_MediaPlayerEndReached;
271 libvlc_state = libvlc_Error;
272 event.type = libvlc_MediaPlayerEncounteredError;
279 set_state( p_mi, libvlc_state, false );
280 libvlc_event_send( p_mi->p_event_manager, &event );
282 else if( newval.i_int == INPUT_EVENT_ABORT )
284 libvlc_state_t libvlc_state = libvlc_Stopped;
285 event.type = libvlc_MediaPlayerStopped;
287 set_state( p_mi, libvlc_state, false );
288 libvlc_event_send( p_mi->p_event_manager, &event );
290 else if( newval.i_int == INPUT_EVENT_POSITION )
292 if( var_GetInteger( p_input, "state" ) != PLAYING_S )
293 return VLC_SUCCESS; /* Don't send the position while stopped */
296 event.type = libvlc_MediaPlayerPositionChanged;
297 event.u.media_player_position_changed.new_position =
298 var_GetFloat( p_input, "position" );
299 libvlc_event_send( p_mi->p_event_manager, &event );
302 event.type = libvlc_MediaPlayerTimeChanged;
303 event.u.media_player_time_changed.new_time =
304 from_mtime(var_GetTime( p_input, "time" ));
305 libvlc_event_send( p_mi->p_event_manager, &event );
307 else if( newval.i_int == INPUT_EVENT_LENGTH )
309 event.type = libvlc_MediaPlayerLengthChanged;
310 event.u.media_player_length_changed.new_length =
311 from_mtime(var_GetTime( p_input, "length" ));
312 libvlc_event_send( p_mi->p_event_manager, &event );
314 else if( newval.i_int == INPUT_EVENT_CACHE )
316 event.type = libvlc_MediaPlayerBuffering;
317 event.u.media_player_buffering.new_cache = (int)(100 *
318 var_GetFloat( p_input, "cache" ));
319 libvlc_event_send( p_mi->p_event_manager, &event );
325 /**************************************************************************
326 * Snapshot Taken Event.
328 * FIXME: This snapshot API interface makes no sense in media_player.
329 *************************************************************************/
330 static int snapshot_was_taken(vlc_object_t *p_this, char const *psz_cmd,
331 vlc_value_t oldval, vlc_value_t newval, void *p_data )
333 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_this);
335 libvlc_media_player_t *mp = p_data;
336 libvlc_event_t event;
337 event.type = libvlc_MediaPlayerSnapshotTaken;
338 event.u.media_player_snapshot_taken.psz_filename = newval.psz_string;
339 libvlc_event_send(mp->p_event_manager, &event);
344 static input_thread_t *find_input (vlc_object_t *obj)
346 libvlc_media_player_t *mp = (libvlc_media_player_t *)obj;
348 return libvlc_get_input_thread (mp);
352 static void libvlc_media_player_destroy( libvlc_media_player_t * );
355 /**************************************************************************
356 * Create a Media Instance object.
359 * - All items created by _new start with a refcount set to 1.
360 * - Accessor _release decrease the refcount by 1, if after that
361 * operation the refcount is 0, the object is destroyed.
362 * - Accessor _retain increase the refcount by 1 (XXX: to implement)
364 * Object locking strategy:
365 * - No lock held while in constructor.
366 * - When accessing any member variable this lock is held. (XXX who locks?)
367 * - When attempting to destroy the object the lock is also held.
368 **************************************************************************/
369 libvlc_media_player_t *
370 libvlc_media_player_new( libvlc_instance_t *instance )
372 libvlc_media_player_t * mp;
376 mp = vlc_object_create (instance->p_libvlc_int, sizeof(*mp));
377 if (unlikely(mp == NULL))
379 libvlc_printerr("Not enough memory");
384 var_Create (mp, "rate", VLC_VAR_FLOAT|VLC_VAR_DOINHERIT);
387 var_Create (mp, "vout", VLC_VAR_STRING|VLC_VAR_DOINHERIT);
388 var_Create (mp, "window", VLC_VAR_STRING);
389 var_Create (mp, "vmem-lock", VLC_VAR_ADDRESS);
390 var_Create (mp, "vmem-unlock", VLC_VAR_ADDRESS);
391 var_Create (mp, "vmem-display", VLC_VAR_ADDRESS);
392 var_Create (mp, "vmem-data", VLC_VAR_ADDRESS);
393 var_Create (mp, "vmem-setup", VLC_VAR_ADDRESS);
394 var_Create (mp, "vmem-cleanup", VLC_VAR_ADDRESS);
395 var_Create (mp, "vmem-chroma", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
396 var_Create (mp, "vmem-width", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
397 var_Create (mp, "vmem-height", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
398 var_Create (mp, "vmem-pitch", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
399 var_Create (mp, "drawable-xid", VLC_VAR_INTEGER);
401 var_Create (mp, "drawable-hwnd", VLC_VAR_INTEGER);
404 var_Create (mp, "drawable-agl", VLC_VAR_INTEGER);
405 var_Create (mp, "drawable-nsobject", VLC_VAR_ADDRESS);
408 var_Create (mp, "keyboard-events", VLC_VAR_BOOL);
409 var_SetBool (mp, "keyboard-events", true);
410 var_Create (mp, "mouse-events", VLC_VAR_BOOL);
411 var_SetBool (mp, "mouse-events", true);
413 var_Create (mp, "fullscreen", VLC_VAR_BOOL);
414 var_Create (mp, "autoscale", VLC_VAR_BOOL);
415 var_SetBool (mp, "autoscale", true);
416 var_Create (mp, "scale", VLC_VAR_FLOAT);
417 var_SetFloat (mp, "scale", 1.);
418 var_Create (mp, "aspect-ratio", VLC_VAR_STRING);
419 var_Create (mp, "crop", VLC_VAR_STRING);
420 var_Create (mp, "deinterlace", VLC_VAR_INTEGER);
421 var_Create (mp, "deinterlace-mode", VLC_VAR_STRING);
423 var_Create (mp, "vbi-page", VLC_VAR_INTEGER);
425 var_Create (mp, "marq-marquee", VLC_VAR_STRING);
426 var_Create (mp, "marq-color", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
427 var_Create (mp, "marq-opacity", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
428 var_Create (mp, "marq-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
429 var_Create (mp, "marq-refresh", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
430 var_Create (mp, "marq-size", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
431 var_Create (mp, "marq-timeout", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
432 var_Create (mp, "marq-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
433 var_Create (mp, "marq-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
435 var_Create (mp, "logo-file", VLC_VAR_STRING);
436 var_Create (mp, "logo-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
437 var_Create (mp, "logo-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
438 var_Create (mp, "logo-delay", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
439 var_Create (mp, "logo-repeat", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
440 var_Create (mp, "logo-opacity", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
441 var_Create (mp, "logo-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
443 var_Create (mp, "contrast", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
444 var_Create (mp, "brightness", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
445 var_Create (mp, "hue", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
446 var_Create (mp, "saturation", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
447 var_Create (mp, "gamma", VLC_VAR_FLOAT | VLC_VAR_DOINHERIT);
450 var_Create (mp, "aout", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
451 var_Create (mp, "mute", VLC_VAR_BOOL);
452 var_Create (mp, "volume", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
453 var_Create (mp, "find-input-callback", VLC_VAR_ADDRESS);
454 var_SetAddress (mp, "find-input-callback", find_input);
455 var_Create (mp, "amem-data", VLC_VAR_ADDRESS);
456 var_Create (mp, "amem-setup", VLC_VAR_ADDRESS);
457 var_Create (mp, "amem-close", VLC_VAR_ADDRESS);
458 var_Create (mp, "amem-play", VLC_VAR_ADDRESS);
459 var_Create (mp, "amem-set-volume", VLC_VAR_ADDRESS);
460 var_Create (mp, "amem-format", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
461 var_Create (mp, "amem-rate", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
462 var_Create (mp, "amem-channels", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
465 mp->state = libvlc_NothingSpecial;
466 mp->p_libvlc_instance = instance;
467 mp->input.p_thread = NULL;
468 mp->input.p_resource = NULL;
469 vlc_mutex_init (&mp->input.lock);
471 mp->p_event_manager = libvlc_event_manager_new(mp, instance);
472 if (unlikely(mp->p_event_manager == NULL))
474 vlc_object_release(mp);
477 vlc_mutex_init(&mp->object_lock);
479 register_event(mp, NothingSpecial);
480 register_event(mp, Opening);
481 register_event(mp, Buffering);
482 register_event(mp, Playing);
483 register_event(mp, Paused);
484 register_event(mp, Stopped);
485 register_event(mp, Forward);
486 register_event(mp, Backward);
487 register_event(mp, EndReached);
488 register_event(mp, EncounteredError);
489 register_event(mp, SeekableChanged);
491 register_event(mp, PositionChanged);
492 register_event(mp, TimeChanged);
493 register_event(mp, LengthChanged);
494 register_event(mp, TitleChanged);
495 register_event(mp, PausableChanged);
497 /* Snapshot initialization */
498 register_event(mp, SnapshotTaken);
500 register_event(mp, MediaChanged);
502 /* Attach a var callback to the global object to provide the glue between
503 * vout_thread that generates the event and media_player that re-emits it
504 * with its own event manager
506 * FIXME: It's unclear why we want to put this in public API, and why we
507 * want to expose it in such a limiting and ugly way.
509 var_AddCallback(mp->p_libvlc, "snapshot-file", snapshot_was_taken, mp);
511 libvlc_retain(instance);
515 /**************************************************************************
516 * Create a Media Instance object with a media descriptor.
517 **************************************************************************/
518 libvlc_media_player_t *
519 libvlc_media_player_new_from_media( libvlc_media_t * p_md )
521 libvlc_media_player_t * p_mi;
523 p_mi = libvlc_media_player_new( p_md->p_libvlc_instance );
527 libvlc_media_retain( p_md );
533 /**************************************************************************
534 * Destroy a Media Instance object (libvlc internal)
536 * Warning: No lock held here, but hey, this is internal. Caller must lock.
537 **************************************************************************/
538 static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi )
542 /* Detach Callback from the main libvlc object */
543 var_DelCallback( p_mi->p_libvlc,
544 "snapshot-file", snapshot_was_taken, p_mi );
546 /* No need for lock_input() because no other threads knows us anymore */
547 if( p_mi->input.p_thread )
548 release_input_thread(p_mi, true);
549 if( p_mi->input.p_resource )
551 input_resource_Terminate( p_mi->input.p_resource );
552 input_resource_Release( p_mi->input.p_resource );
553 p_mi->input.p_resource = NULL;
555 vlc_mutex_destroy( &p_mi->input.lock );
557 libvlc_event_manager_release( p_mi->p_event_manager );
558 libvlc_media_release( p_mi->p_md );
559 vlc_mutex_destroy( &p_mi->object_lock );
561 libvlc_instance_t *instance = p_mi->p_libvlc_instance;
562 vlc_object_release( p_mi );
563 libvlc_release(instance);
566 /**************************************************************************
567 * Release a Media Instance object.
569 * Function does the locking.
570 **************************************************************************/
571 void libvlc_media_player_release( libvlc_media_player_t *p_mi )
577 destroy = !--p_mi->i_refcount;
581 libvlc_media_player_destroy( p_mi );
584 /**************************************************************************
585 * Retain a Media Instance object.
587 * Caller must hold the lock.
588 **************************************************************************/
589 void libvlc_media_player_retain( libvlc_media_player_t *p_mi )
598 /**************************************************************************
599 * Set the Media descriptor associated with the instance.
601 * Enter without lock -- function will lock the object.
602 **************************************************************************/
603 void libvlc_media_player_set_media(
604 libvlc_media_player_t *p_mi,
605 libvlc_media_t *p_md )
609 /* FIXME I am not sure if it is a user request or on die(eof/error)
611 release_input_thread( p_mi,
612 p_mi->input.p_thread &&
613 !p_mi->input.p_thread->b_eof &&
614 !p_mi->input.p_thread->b_error );
617 set_state( p_mi, libvlc_NothingSpecial, true );
618 unlock_input( p_mi );
620 libvlc_media_release( p_mi->p_md );
626 return; /* It is ok to pass a NULL md */
629 libvlc_media_retain( p_md );
632 /* The policy here is to ignore that we were created using a different
633 * libvlc_instance, because we don't really care */
634 p_mi->p_libvlc_instance = p_md->p_libvlc_instance;
638 /* Send an event for the newly available media */
639 libvlc_event_t event;
640 event.type = libvlc_MediaPlayerMediaChanged;
641 event.u.media_player_media_changed.new_media = p_md;
642 libvlc_event_send( p_mi->p_event_manager, &event );
646 /**************************************************************************
647 * Get the Media descriptor associated with the instance.
648 **************************************************************************/
650 libvlc_media_player_get_media( libvlc_media_player_t *p_mi )
657 libvlc_media_retain( p_mi->p_md );
662 /**************************************************************************
663 * Get the event Manager.
664 **************************************************************************/
665 libvlc_event_manager_t *
666 libvlc_media_player_event_manager( libvlc_media_player_t *p_mi )
668 return p_mi->p_event_manager;
671 /**************************************************************************
672 * Tell media player to start playing.
673 **************************************************************************/
674 int libvlc_media_player_play( libvlc_media_player_t *p_mi )
678 input_thread_t *p_input_thread = p_mi->input.p_thread;
681 /* A thread already exists, send it a play message */
682 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
683 unlock_input( p_mi );
687 /* Ignore previous exception */
693 unlock_input( p_mi );
694 libvlc_printerr( "No associated media descriptor" );
698 if( !p_mi->input.p_resource )
699 p_mi->input.p_resource = input_resource_New( VLC_OBJECT( p_mi ) );
700 p_input_thread = input_Create( p_mi, p_mi->p_md->p_input_item, NULL,
701 p_mi->input.p_resource );
703 if( !p_input_thread )
706 libvlc_printerr( "Not enough memory" );
710 var_AddCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
711 var_AddCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
712 var_AddCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
714 if( input_Start( p_input_thread ) )
717 var_DelCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
718 var_DelCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
719 var_DelCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
720 vlc_object_release( p_input_thread );
721 libvlc_printerr( "Input initialization failure" );
724 p_mi->input.p_thread = p_input_thread;
729 void libvlc_media_player_set_pause( libvlc_media_player_t *p_mi, int paused )
731 input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi );
732 if( !p_input_thread )
735 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
736 if( state == libvlc_Playing || state == libvlc_Buffering )
740 if( libvlc_media_player_can_pause( p_mi ) )
741 input_Control( p_input_thread, INPUT_SET_STATE, PAUSE_S );
743 libvlc_media_player_stop( p_mi );
749 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
752 vlc_object_release( p_input_thread );
755 /**************************************************************************
757 **************************************************************************/
758 void libvlc_media_player_pause( libvlc_media_player_t *p_mi )
760 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
761 bool playing = (state == libvlc_Playing || state == libvlc_Buffering);
763 libvlc_media_player_set_pause( p_mi, playing );
766 /**************************************************************************
767 * Tells whether the media player is currently playing.
769 * Enter with lock held.
770 **************************************************************************/
771 int libvlc_media_player_is_playing( libvlc_media_player_t *p_mi )
773 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
774 return (libvlc_Playing == state) || (libvlc_Buffering == state);
777 /**************************************************************************
779 **************************************************************************/
780 void libvlc_media_player_stop( libvlc_media_player_t *p_mi )
782 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
785 release_input_thread( p_mi, true ); /* This will stop the input thread */
787 /* Force to go to stopped state, in case we were in Ended, or Error
789 if( state != libvlc_Stopped )
791 set_state( p_mi, libvlc_Stopped, false );
793 /* Construct and send the event */
794 libvlc_event_t event;
795 event.type = libvlc_MediaPlayerStopped;
796 libvlc_event_send( p_mi->p_event_manager, &event );
799 if( p_mi->input.p_resource != NULL )
800 input_resource_Terminate( p_mi->input.p_resource );
805 void libvlc_video_set_callbacks( libvlc_media_player_t *mp,
806 void *(*lock_cb) (void *, void **),
807 void (*unlock_cb) (void *, void *, void *const *),
808 void (*display_cb) (void *, void *),
811 var_SetAddress( mp, "vmem-lock", lock_cb );
812 var_SetAddress( mp, "vmem-unlock", unlock_cb );
813 var_SetAddress( mp, "vmem-display", display_cb );
814 var_SetAddress( mp, "vmem-data", opaque );
815 var_SetString( mp, "vout", "vmem" );
818 void libvlc_video_set_format_callbacks( libvlc_media_player_t *mp,
819 libvlc_video_format_cb setup,
820 libvlc_video_cleanup_cb cleanup )
822 var_SetAddress( mp, "vmem-setup", setup );
823 var_SetAddress( mp, "vmem-cleanup", cleanup );
826 void libvlc_video_set_format( libvlc_media_player_t *mp, const char *chroma,
827 unsigned width, unsigned height, unsigned pitch )
829 var_SetString( mp, "vmem-chroma", chroma );
830 var_SetInteger( mp, "vmem-width", width );
831 var_SetInteger( mp, "vmem-height", height );
832 var_SetInteger( mp, "vmem-pitch", pitch );
835 /**************************************************************************
837 **************************************************************************/
838 void libvlc_media_player_set_nsobject( libvlc_media_player_t *p_mi,
841 assert (p_mi != NULL);
843 var_SetAddress (p_mi, "drawable-nsobject", drawable);
845 (void) p_mi; (void)drawable;
849 /**************************************************************************
851 **************************************************************************/
852 void * libvlc_media_player_get_nsobject( libvlc_media_player_t *p_mi )
854 assert (p_mi != NULL);
856 return var_GetAddress (p_mi, "drawable-nsobject");
862 /**************************************************************************
864 **************************************************************************/
865 void libvlc_media_player_set_agl( libvlc_media_player_t *p_mi,
869 var_SetInteger (p_mi, "drawable-agl", drawable);
871 (void) p_mi; (void)drawable;
875 /**************************************************************************
877 **************************************************************************/
878 uint32_t libvlc_media_player_get_agl( libvlc_media_player_t *p_mi )
880 assert (p_mi != NULL);
882 return var_GetInteger (p_mi, "drawable-agl");
888 /**************************************************************************
890 **************************************************************************/
891 void libvlc_media_player_set_xwindow( libvlc_media_player_t *p_mi,
894 assert (p_mi != NULL);
896 var_SetString (p_mi, "vout", drawable ? "xid" : "any");
897 var_SetString (p_mi, "window", drawable ? "embed-xid,any" : "any");
898 var_SetInteger (p_mi, "drawable-xid", drawable);
901 /**************************************************************************
903 **************************************************************************/
904 uint32_t libvlc_media_player_get_xwindow( libvlc_media_player_t *p_mi )
906 return var_GetInteger (p_mi, "drawable-xid");
909 /**************************************************************************
911 **************************************************************************/
912 void libvlc_media_player_set_hwnd( libvlc_media_player_t *p_mi,
915 assert (p_mi != NULL);
917 var_SetString (p_mi, "window",
918 (drawable != NULL) ? "embed-hwnd,any" : "");
919 var_SetInteger (p_mi, "drawable-hwnd", (uintptr_t)drawable);
921 (void) p_mi; (void) drawable;
925 /**************************************************************************
927 **************************************************************************/
928 void *libvlc_media_player_get_hwnd( libvlc_media_player_t *p_mi )
930 assert (p_mi != NULL);
932 return (void *)(uintptr_t)var_GetInteger (p_mi, "drawable-hwnd");
938 void libvlc_audio_set_callbacks( libvlc_media_player_t *mp,
939 libvlc_audio_play_cb play_cb,
940 libvlc_audio_set_volume_cb set_volume_cb,
943 var_SetAddress( mp, "amem-play", play_cb );
944 var_SetAddress( mp, "amem-set-volume", set_volume_cb );
945 var_SetAddress( mp, "amem-data", opaque );
946 var_SetString( mp, "aout", "amem" );
949 void libvlc_audio_set_format_callbacks( libvlc_media_player_t *mp,
950 libvlc_audio_setup_cb setup,
951 libvlc_audio_cleanup_cb cleanup )
953 var_SetAddress( mp, "amem-setup", setup );
954 var_SetAddress( mp, "amem-cleanup", cleanup );
957 void libvlc_audio_set_format( libvlc_media_player_t *mp, const char *format,
958 unsigned rate, unsigned channels )
960 var_SetString( mp, "amem-format", format );
961 var_SetInteger( mp, "amem-rate", rate );
962 var_SetInteger( mp, "amem-channels", channels );
966 /**************************************************************************
967 * Getters for stream information
968 **************************************************************************/
969 libvlc_time_t libvlc_media_player_get_length(
970 libvlc_media_player_t *p_mi )
972 input_thread_t *p_input_thread;
973 libvlc_time_t i_time;
975 p_input_thread = libvlc_get_input_thread ( p_mi );
976 if( !p_input_thread )
979 i_time = from_mtime(var_GetTime( p_input_thread, "length" ));
980 vlc_object_release( p_input_thread );
985 libvlc_time_t libvlc_media_player_get_time( libvlc_media_player_t *p_mi )
987 input_thread_t *p_input_thread;
988 libvlc_time_t i_time;
990 p_input_thread = libvlc_get_input_thread ( p_mi );
991 if( !p_input_thread )
994 i_time = from_mtime(var_GetTime( p_input_thread , "time" ));
995 vlc_object_release( p_input_thread );
999 void libvlc_media_player_set_time( libvlc_media_player_t *p_mi,
1000 libvlc_time_t i_time )
1002 input_thread_t *p_input_thread;
1004 p_input_thread = libvlc_get_input_thread ( p_mi );
1005 if( !p_input_thread )
1008 var_SetTime( p_input_thread, "time", to_mtime(i_time) );
1009 vlc_object_release( p_input_thread );
1012 void libvlc_media_player_set_position( libvlc_media_player_t *p_mi,
1015 input_thread_t *p_input_thread;
1017 p_input_thread = libvlc_get_input_thread ( p_mi );
1018 if( !p_input_thread )
1021 var_SetFloat( p_input_thread, "position", position );
1022 vlc_object_release( p_input_thread );
1025 float libvlc_media_player_get_position( libvlc_media_player_t *p_mi )
1027 input_thread_t *p_input_thread;
1030 p_input_thread = libvlc_get_input_thread ( p_mi );
1031 if( !p_input_thread )
1034 f_position = var_GetFloat( p_input_thread, "position" );
1035 vlc_object_release( p_input_thread );
1040 void libvlc_media_player_set_chapter( libvlc_media_player_t *p_mi,
1043 input_thread_t *p_input_thread;
1045 p_input_thread = libvlc_get_input_thread ( p_mi );
1046 if( !p_input_thread )
1049 var_SetInteger( p_input_thread, "chapter", chapter );
1050 vlc_object_release( p_input_thread );
1053 int libvlc_media_player_get_chapter( libvlc_media_player_t *p_mi )
1055 input_thread_t *p_input_thread;
1058 p_input_thread = libvlc_get_input_thread ( p_mi );
1059 if( !p_input_thread )
1062 i_chapter = var_GetInteger( p_input_thread, "chapter" );
1063 vlc_object_release( p_input_thread );
1068 int libvlc_media_player_get_chapter_count( libvlc_media_player_t *p_mi )
1070 input_thread_t *p_input_thread;
1073 p_input_thread = libvlc_get_input_thread ( p_mi );
1074 if( !p_input_thread )
1077 var_Change( p_input_thread, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
1078 vlc_object_release( p_input_thread );
1083 int libvlc_media_player_get_chapter_count_for_title(
1084 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 )
1095 if( asprintf( &psz_name, "title %2i", i_title ) == -1 )
1097 vlc_object_release( p_input_thread );
1100 var_Change( p_input_thread, psz_name, VLC_VAR_CHOICESCOUNT, &val, NULL );
1101 vlc_object_release( p_input_thread );
1107 void libvlc_media_player_set_title( libvlc_media_player_t *p_mi,
1110 input_thread_t *p_input_thread;
1112 p_input_thread = libvlc_get_input_thread ( p_mi );
1113 if( !p_input_thread )
1116 var_SetInteger( p_input_thread, "title", i_title );
1117 vlc_object_release( p_input_thread );
1120 libvlc_event_t event;
1121 event.type = libvlc_MediaPlayerTitleChanged;
1122 event.u.media_player_title_changed.new_title = i_title;
1123 libvlc_event_send( p_mi->p_event_manager, &event );
1126 int libvlc_media_player_get_title( libvlc_media_player_t *p_mi )
1128 input_thread_t *p_input_thread;
1131 p_input_thread = libvlc_get_input_thread ( p_mi );
1132 if( !p_input_thread )
1135 i_title = var_GetInteger( p_input_thread, "title" );
1136 vlc_object_release( p_input_thread );
1141 int libvlc_media_player_get_title_count( libvlc_media_player_t *p_mi )
1143 input_thread_t *p_input_thread;
1146 p_input_thread = libvlc_get_input_thread ( p_mi );
1147 if( !p_input_thread )
1150 var_Change( p_input_thread, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
1151 vlc_object_release( p_input_thread );
1156 void libvlc_media_player_next_chapter( libvlc_media_player_t *p_mi )
1158 input_thread_t *p_input_thread;
1160 p_input_thread = libvlc_get_input_thread ( p_mi );
1161 if( !p_input_thread )
1164 int i_type = var_Type( p_input_thread, "next-chapter" );
1165 var_TriggerCallback( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1166 "next-chapter":"next-title" );
1168 vlc_object_release( p_input_thread );
1171 void libvlc_media_player_previous_chapter( libvlc_media_player_t *p_mi )
1173 input_thread_t *p_input_thread;
1175 p_input_thread = libvlc_get_input_thread ( p_mi );
1176 if( !p_input_thread )
1179 int i_type = var_Type( p_input_thread, "next-chapter" );
1180 var_TriggerCallback( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1181 "prev-chapter":"prev-title" );
1183 vlc_object_release( p_input_thread );
1186 float libvlc_media_player_get_fps( libvlc_media_player_t *p_mi )
1188 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1191 if( p_input_thread )
1193 if( input_Control( p_input_thread, INPUT_GET_VIDEO_FPS, &f_fps ) )
1195 vlc_object_release( p_input_thread );
1200 int libvlc_media_player_will_play( libvlc_media_player_t *p_mi )
1203 input_thread_t *p_input_thread =
1204 libvlc_get_input_thread ( p_mi );
1205 if ( !p_input_thread )
1208 b_will_play = !p_input_thread->b_die && !p_input_thread->b_dead;
1209 vlc_object_release( p_input_thread );
1214 int libvlc_media_player_set_rate( libvlc_media_player_t *p_mi, float rate )
1218 libvlc_printerr ("Playing backward not supported");
1222 var_SetFloat (p_mi, "rate", rate);
1224 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1225 if( !p_input_thread )
1227 var_SetFloat( p_input_thread, "rate", rate );
1228 vlc_object_release( p_input_thread );
1232 float libvlc_media_player_get_rate( libvlc_media_player_t *p_mi )
1234 return var_GetFloat (p_mi, "rate");
1237 libvlc_state_t libvlc_media_player_get_state( libvlc_media_player_t *p_mi )
1240 libvlc_state_t state = p_mi->state;
1245 int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi )
1247 input_thread_t *p_input_thread;
1250 p_input_thread = libvlc_get_input_thread ( p_mi );
1251 if ( !p_input_thread )
1253 b_seekable = var_GetBool( p_input_thread, "can-seek" );
1254 vlc_object_release( p_input_thread );
1259 void libvlc_media_player_navigate( libvlc_media_player_t* p_mi,
1262 input_thread_t *p_input_thread;
1264 if ( navigate > libvlc_navigate_to_action_size)
1267 p_input_thread = libvlc_get_input_thread ( p_mi );
1268 if ( !p_input_thread )
1271 var_SetInteger( p_mi->p_libvlc_instance->p_libvlc_int,
1272 "key-action", libvlc_navigate_to_action[navigate] );
1274 vlc_object_release( p_input_thread );
1277 /* internal function, used by audio, video */
1278 libvlc_track_description_t *
1279 libvlc_get_track_description( libvlc_media_player_t *p_mi,
1280 const char *psz_variable )
1282 input_thread_t *p_input = libvlc_get_input_thread( p_mi );
1283 libvlc_track_description_t *p_track_description = NULL,
1284 *p_actual, *p_previous;
1289 vlc_value_t val_list, text_list;
1290 var_Change( p_input, psz_variable, VLC_VAR_GETLIST, &val_list, &text_list);
1293 if( val_list.p_list->i_count <= 0 )
1296 p_track_description = ( libvlc_track_description_t * )
1297 malloc( sizeof( libvlc_track_description_t ) );
1298 if ( !p_track_description )
1300 libvlc_printerr( "Not enough memory" );
1303 p_actual = p_track_description;
1305 for( int i = 0; i < val_list.p_list->i_count; i++ )
1309 p_actual = ( libvlc_track_description_t * )
1310 malloc( sizeof( libvlc_track_description_t ) );
1313 libvlc_track_description_release( p_track_description );
1314 libvlc_printerr( "Not enough memory" );
1318 p_actual->i_id = val_list.p_list->p_values[i].i_int;
1319 p_actual->psz_name = strdup( text_list.p_list->p_values[i].psz_string );
1320 p_actual->p_next = NULL;
1322 p_previous->p_next = p_actual;
1323 p_previous = p_actual;
1328 var_FreeList( &val_list, &text_list );
1329 vlc_object_release( p_input );
1331 return p_track_description;
1334 void libvlc_track_description_release( libvlc_track_description_t *p_td )
1336 libvlc_track_description_t *p_actual, *p_before;
1341 free( p_actual->psz_name );
1342 p_before = p_actual;
1343 p_actual = p_before->p_next;
1348 int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi )
1350 input_thread_t *p_input_thread;
1353 p_input_thread = libvlc_get_input_thread ( p_mi );
1354 if ( !p_input_thread )
1356 b_can_pause = var_GetBool( p_input_thread, "can-pause" );
1357 vlc_object_release( p_input_thread );
1362 void libvlc_media_player_next_frame( libvlc_media_player_t *p_mi )
1364 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1365 if( p_input_thread != NULL )
1367 var_TriggerCallback( p_input_thread, "frame-next" );
1368 vlc_object_release( p_input_thread );