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 );
63 mouse_moved( vlc_object_t *p_this, char const *psz_cmd,
64 vlc_value_t oldval, vlc_value_t newval, void *p_data );
66 mouse_button( vlc_object_t *p_this, char const *psz_cmd,
67 vlc_value_t oldval, vlc_value_t newval, void *p_data );
69 mouse_clicked( vlc_object_t *p_this, char const *psz_cmd,
70 vlc_value_t oldval, vlc_value_t newval, void *p_data );
72 mouse_object( vlc_object_t *p_this, char const *psz_cmd,
73 vlc_value_t oldval, vlc_value_t newval, void *p_data );
76 static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi );
82 #define register_event(a, b) __register_event(a, libvlc_MediaPlayer ## b)
83 static inline void __register_event(libvlc_media_player_t *mp, libvlc_event_type_t type)
85 libvlc_event_manager_register_event_type(mp->p_event_manager, type);
88 static inline void lock(libvlc_media_player_t *mp)
90 vlc_mutex_lock(&mp->object_lock);
93 static inline void unlock(libvlc_media_player_t *mp)
95 vlc_mutex_unlock(&mp->object_lock);
99 * Release the associated input thread.
101 * Object lock is NOT held.
103 static void release_input_thread( libvlc_media_player_t *p_mi, bool b_input_abort )
105 input_thread_t * p_input_thread;
107 if( !p_mi || !p_mi->p_input_thread )
110 p_input_thread = p_mi->p_input_thread;
112 var_DelCallback( p_input_thread, "can-seek",
113 input_seekable_changed, p_mi );
114 var_DelCallback( p_input_thread, "can-pause",
115 input_pausable_changed, p_mi );
116 var_DelCallback( p_input_thread, "intf-event",
117 input_event_changed, p_mi );
119 /* We owned this one */
120 input_Stop( p_input_thread, b_input_abort );
122 vlc_thread_join( p_input_thread );
124 assert( p_mi->p_input_resource == NULL );
125 assert( p_input_thread->b_dead );
126 /* Store the input resource for future use. */
127 p_mi->p_input_resource = input_DetachResource( p_input_thread );
129 vlc_object_release( p_input_thread );
131 p_mi->p_input_thread = NULL;
135 * Retrieve the input thread. Be sure to release the object
136 * once you are done with it. (libvlc Internal)
138 * Function will lock the object.
140 input_thread_t *libvlc_get_input_thread( libvlc_media_player_t *p_mi )
142 input_thread_t *p_input_thread;
147 p_input_thread = p_mi->p_input_thread;
149 vlc_object_hold( p_input_thread );
151 libvlc_printerr( "No active input" );
154 return p_input_thread;
158 * Get vout thread from current input
160 * Object lock is NOT held.
162 static vout_thread_t *get_vout_thread( libvlc_media_player_t *p_mi )
164 vout_thread_t *p_vout_thread;
166 p_vout_thread = input_GetVout( p_mi->p_input_thread );
169 var_AddCallback( p_vout_thread, "mouse-button-down", mouse_button, p_mi );
170 var_AddCallback( p_vout_thread, "mouse-moved", mouse_moved, p_mi );
171 var_AddCallback( p_vout_thread, "mouse-clicked", mouse_clicked, p_mi );
172 var_AddCallback( p_vout_thread, "mouse-object", mouse_object, p_mi );
175 return p_vout_thread;
179 * Release the associated vout thread.
181 * Object lock is NOT held.
183 static void release_vout_thread( libvlc_media_player_t *p_mi )
185 vout_thread_t *p_vout_thread;
187 if( !p_mi || !p_mi->p_vout_thread )
190 p_vout_thread = p_mi->p_vout_thread;
192 var_DelCallback( p_vout_thread, "mouse-button-down", mouse_button, p_mi );
193 var_DelCallback( p_vout_thread, "mouse-moved", mouse_moved, p_mi );
194 var_DelCallback( p_vout_thread, "mouse-clicked", mouse_clicked, p_mi );
195 var_DelCallback( p_vout_thread, "mouse-object", mouse_object, p_mi );
197 vlc_object_release( p_vout_thread );
198 p_mi->p_vout_thread = NULL;
202 * Set the internal state of the media_player. (media player Internal)
204 * Function will lock the media_player.
206 static void set_state( libvlc_media_player_t *p_mi, libvlc_state_t state,
213 libvlc_media_t *media = p_mi->p_md;
215 libvlc_media_retain(media);
222 // Also set the state of the corresponding media
223 // This is strictly for convenience.
224 libvlc_media_set_state(media, state);
226 libvlc_media_release(media);
231 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
232 vlc_value_t oldval, vlc_value_t newval,
238 libvlc_media_player_t * p_mi = p_userdata;
239 libvlc_event_t event;
241 event.type = libvlc_MediaPlayerSeekableChanged;
242 event.u.media_player_seekable_changed.new_seekable = newval.b_bool;
244 libvlc_event_send( p_mi->p_event_manager, &event );
249 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
250 vlc_value_t oldval, vlc_value_t newval,
256 libvlc_media_player_t * p_mi = p_userdata;
257 libvlc_event_t event;
259 event.type = libvlc_MediaPlayerPausableChanged;
260 event.u.media_player_pausable_changed.new_pausable = newval.b_bool;
262 libvlc_event_send( p_mi->p_event_manager, &event );
267 input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
268 vlc_value_t oldval, vlc_value_t newval,
272 input_thread_t * p_input = (input_thread_t *)p_this;
273 libvlc_media_player_t * p_mi = p_userdata;
274 libvlc_event_t event;
276 assert( !strcmp( psz_cmd, "intf-event" ) );
278 if( newval.i_int == INPUT_EVENT_STATE )
280 libvlc_state_t libvlc_state;
282 switch ( var_GetInteger( p_input, "state" ) )
285 libvlc_state = libvlc_NothingSpecial;
286 event.type = libvlc_MediaPlayerNothingSpecial;
289 libvlc_state = libvlc_Opening;
290 event.type = libvlc_MediaPlayerOpening;
293 libvlc_state = libvlc_Playing;
294 event.type = libvlc_MediaPlayerPlaying;
297 libvlc_state = libvlc_Paused;
298 event.type = libvlc_MediaPlayerPaused;
301 libvlc_state = libvlc_Ended;
302 event.type = libvlc_MediaPlayerEndReached;
305 libvlc_state = libvlc_Error;
306 event.type = libvlc_MediaPlayerEncounteredError;
313 set_state( p_mi, libvlc_state, false );
314 libvlc_event_send( p_mi->p_event_manager, &event );
316 else if( newval.i_int == INPUT_EVENT_ABORT )
318 libvlc_state_t libvlc_state = libvlc_Stopped;
319 event.type = libvlc_MediaPlayerStopped;
321 set_state( p_mi, libvlc_state, false );
322 libvlc_event_send( p_mi->p_event_manager, &event );
324 else if( newval.i_int == INPUT_EVENT_POSITION )
326 if( var_GetInteger( p_input, "state" ) != PLAYING_S )
327 return VLC_SUCCESS; /* Don't send the position while stopped */
330 event.type = libvlc_MediaPlayerPositionChanged;
331 event.u.media_player_position_changed.new_position =
332 var_GetFloat( p_input, "position" );
333 libvlc_event_send( p_mi->p_event_manager, &event );
336 event.type = libvlc_MediaPlayerTimeChanged;
337 event.u.media_player_time_changed.new_time =
338 from_mtime(var_GetTime( p_input, "time" ));
339 libvlc_event_send( p_mi->p_event_manager, &event );
341 else if( newval.i_int == INPUT_EVENT_LENGTH )
343 event.type = libvlc_MediaPlayerLengthChanged;
344 event.u.media_player_length_changed.new_length =
345 from_mtime(var_GetTime( p_input, "length" ));
346 libvlc_event_send( p_mi->p_event_manager, &event );
348 else if( newval.i_int == INPUT_EVENT_VOUT )
351 /* release old vout */
352 if( p_mi->p_vout_thread )
353 release_vout_thread( p_mi );
354 /* remember new vout */
355 p_mi->p_vout_thread = get_vout_thread( p_mi );
363 /**************************************************************************
364 * Snapshot Taken Event.
366 * FIXME: This snapshot API interface makes no sense in media_player.
367 *************************************************************************/
368 static int snapshot_was_taken(vlc_object_t *p_this, char const *psz_cmd,
369 vlc_value_t oldval, vlc_value_t newval, void *p_data )
371 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_this);
373 libvlc_media_player_t *mp = p_data;
374 libvlc_event_t event;
375 event.type = libvlc_MediaPlayerSnapshotTaken;
376 event.u.media_player_snapshot_taken.psz_filename = newval.psz_string;
377 libvlc_event_send(mp->p_event_manager, &event);
382 /**************************************************************************
384 *************************************************************************/
387 mouse_moved( vlc_object_t *p_this, char const *psz_cmd,
388 vlc_value_t oldval, vlc_value_t newval, void *p_data )
390 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_this);
392 libvlc_media_player_t *mp = p_data;
393 libvlc_event_t event;
394 event.type = libvlc_MediaPlayerMouseMoved;
395 event.u.media_player_mouse_moved.x = newval.coords.x;
396 event.u.media_player_mouse_moved.y = newval.coords.y;
397 libvlc_event_send(mp->p_event_manager, &event);
403 mouse_button( vlc_object_t *p_this, char const *psz_cmd,
404 vlc_value_t oldval, vlc_value_t newval, void *p_data )
406 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_this);
408 libvlc_media_player_t *mp = p_data;
409 libvlc_event_t event;
410 int pressed = newval.i_int;
412 event.type = libvlc_MediaPlayerMouseButton;
413 event.u.media_player_mouse_button.mb_left = (pressed & (1<<MOUSE_BUTTON_LEFT));
414 event.u.media_player_mouse_button.mb_center = (pressed & (1<<MOUSE_BUTTON_CENTER));
415 event.u.media_player_mouse_button.mb_right = (pressed & (1<<MOUSE_BUTTON_RIGHT));
416 event.u.media_player_mouse_button.mb_wheel_up = (pressed & (1<<MOUSE_BUTTON_WHEEL_UP));
417 event.u.media_player_mouse_button.mb_wheel_down = (pressed & (1<<MOUSE_BUTTON_WHEEL_DOWN));
418 libvlc_event_send(mp->p_event_manager, &event);
424 mouse_clicked( vlc_object_t *p_this, char const *psz_cmd,
425 vlc_value_t oldval, vlc_value_t newval, void *p_data )
427 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_this);
429 libvlc_media_player_t *mp = p_data;
430 libvlc_event_t event;
431 event.type = libvlc_MediaPlayerMouseClick;
432 event.u.media_player_mouse_clicked.clicked = newval.b_bool ? 1 : 0;
433 libvlc_event_send(mp->p_event_manager, &event);
439 mouse_object( vlc_object_t *p_this, char const *psz_cmd,
440 vlc_value_t oldval, vlc_value_t newval, void *p_data )
442 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval); VLC_UNUSED(p_this);
444 libvlc_media_player_t *mp = p_data;
445 libvlc_event_t event;
446 event.type = libvlc_MediaPlayerMouseObject;
447 event.u.media_player_mouse_object.moved = (newval.b_bool ? 1 : 0);
448 libvlc_event_send(mp->p_event_manager, &event);
453 static input_thread_t *find_input (vlc_object_t *obj)
455 libvlc_media_player_t *mp = (libvlc_media_player_t *)obj;
456 input_thread_t *p_input;
459 p_input = mp->p_input_thread;
461 vlc_object_hold (p_input);
467 static void libvlc_media_player_destroy( libvlc_media_player_t * );
470 /**************************************************************************
471 * Create a Media Instance object.
474 * - All items created by _new start with a refcount set to 1.
475 * - Accessor _release decrease the refcount by 1, if after that
476 * operation the refcount is 0, the object is destroyed.
477 * - Accessor _retain increase the refcount by 1 (XXX: to implement)
479 * Object locking strategy:
480 * - No lock held while in constructor.
481 * - When accessing any member variable this lock is held. (XXX who locks?)
482 * - When attempting to destroy the object the lock is also held.
483 **************************************************************************/
484 libvlc_media_player_t *
485 libvlc_media_player_new( libvlc_instance_t *instance )
487 libvlc_media_player_t * mp;
491 mp = vlc_object_create (instance->p_libvlc_int, sizeof(*mp));
492 if (unlikely(mp == NULL))
494 libvlc_printerr("Not enough memory");
497 vlc_object_attach (mp, mp->p_libvlc);
500 var_Create (mp, "rate", VLC_VAR_FLOAT|VLC_VAR_DOINHERIT);
503 var_Create (mp, "drawable-xid", VLC_VAR_INTEGER);
505 var_Create (mp, "drawable-hwnd", VLC_VAR_ADDRESS);
508 var_Create (mp, "drawable-agl", VLC_VAR_INTEGER);
509 var_Create (mp, "drawable-nsobject", VLC_VAR_ADDRESS);
512 var_Create (mp, "keyboard-events", VLC_VAR_BOOL);
513 var_SetBool (mp, "keyboard-events", true);
514 var_Create (mp, "mouse-events", VLC_VAR_BOOL);
515 var_SetBool (mp, "mouse-events", true);
517 var_Create (mp, "fullscreen", VLC_VAR_BOOL);
518 var_Create (mp, "autoscale", VLC_VAR_BOOL);
519 var_SetBool (mp, "autoscale", true);
520 var_Create (mp, "scale", VLC_VAR_FLOAT);
521 var_SetFloat (mp, "scale", 1.);
522 var_Create (mp, "aspect-ratio", VLC_VAR_STRING);
523 var_Create (mp, "crop", VLC_VAR_STRING);
524 var_Create (mp, "deinterlace", VLC_VAR_INTEGER);
525 var_Create (mp, "deinterlace-mode", VLC_VAR_STRING);
527 var_Create (mp, "vbi-page", VLC_VAR_INTEGER);
529 var_Create (mp, "marq-marquee", VLC_VAR_STRING);
530 var_Create (mp, "marq-color", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
531 var_Create (mp, "marq-opacity", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
532 var_Create (mp, "marq-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
533 var_Create (mp, "marq-refresh", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
534 var_Create (mp, "marq-size", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
535 var_Create (mp, "marq-timeout", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
536 var_Create (mp, "marq-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
537 var_Create (mp, "marq-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
539 var_Create (mp, "logo-file", VLC_VAR_STRING);
540 var_Create (mp, "logo-x", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
541 var_Create (mp, "logo-y", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
542 var_Create (mp, "logo-delay", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
543 var_Create (mp, "logo-repeat", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
544 var_Create (mp, "logo-opacity", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
545 var_Create (mp, "logo-position", VLC_VAR_INTEGER | VLC_VAR_DOINHERIT);
548 var_Create (mp, "aout", VLC_VAR_STRING | VLC_VAR_DOINHERIT);
549 var_Create (mp, "find-input-callback", VLC_VAR_ADDRESS);
550 var_SetAddress (mp, "find-input-callback", find_input);
553 mp->state = libvlc_NothingSpecial;
554 mp->p_libvlc_instance = instance;
555 mp->p_input_thread = NULL;
556 mp->p_input_resource = NULL;
557 mp->p_vout_thread = NULL;
559 mp->p_event_manager = libvlc_event_manager_new(mp, instance);
560 if (unlikely(mp->p_event_manager == NULL))
562 vlc_object_release(mp);
565 vlc_mutex_init(&mp->object_lock);
567 register_event(mp, NothingSpecial);
568 register_event(mp, Opening);
569 register_event(mp, Buffering);
570 register_event(mp, Playing);
571 register_event(mp, Paused);
572 register_event(mp, Stopped);
573 register_event(mp, Forward);
574 register_event(mp, Backward);
575 register_event(mp, EndReached);
576 register_event(mp, EncounteredError);
577 register_event(mp, SeekableChanged);
579 register_event(mp, PositionChanged);
580 register_event(mp, TimeChanged);
581 register_event(mp, LengthChanged);
582 register_event(mp, TitleChanged);
583 register_event(mp, PausableChanged);
585 /* Snapshot initialization */
586 register_event(mp, SnapshotTaken);
588 register_event(mp, MediaChanged);
591 register_event(mp, MouseMoved);
592 register_event(mp, MouseButton);
593 register_event(mp, MouseClick);
594 register_event(mp, MouseObject);
596 /* Attach a var callback to the global object to provide the glue between
597 * vout_thread that generates the event and media_player that re-emits it
598 * with its own event manager
600 * FIXME: It's unclear why we want to put this in public API, and why we
601 * want to expose it in such a limiting and ugly way.
603 var_AddCallback(mp->p_libvlc, "snapshot-file", snapshot_was_taken, mp);
605 libvlc_retain(instance);
609 /**************************************************************************
610 * Create a Media Instance object with a media descriptor.
611 **************************************************************************/
612 libvlc_media_player_t *
613 libvlc_media_player_new_from_media( libvlc_media_t * p_md )
615 libvlc_media_player_t * p_mi;
617 p_mi = libvlc_media_player_new( p_md->p_libvlc_instance );
621 libvlc_media_retain( p_md );
627 /**************************************************************************
628 * Destroy a Media Instance object (libvlc internal)
630 * Warning: No lock held here, but hey, this is internal. Caller must lock.
631 **************************************************************************/
632 static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi )
636 /* Detach Callback from the main libvlc object */
637 var_DelCallback( p_mi->p_libvlc,
638 "snapshot-file", snapshot_was_taken, p_mi );
640 /* If the input thread hasn't been already deleted it means
641 * that the owners didn't stop the thread before releasing it. */
642 assert(!p_mi->p_input_thread);
644 /* Fallback for those who don't use NDEBUG */
645 if( p_mi->p_vout_thread )
646 release_vout_thread( p_mi );
648 if(p_mi->p_input_thread )
649 release_input_thread(p_mi, true);
651 if( p_mi->p_input_resource )
653 input_resource_Delete( p_mi->p_input_resource );
654 p_mi->p_input_resource = NULL;
657 libvlc_event_manager_release( p_mi->p_event_manager );
658 libvlc_media_release( p_mi->p_md );
659 vlc_mutex_destroy( &p_mi->object_lock );
661 libvlc_instance_t *instance = p_mi->p_libvlc_instance;
662 vlc_object_release( p_mi );
663 libvlc_release(instance);
666 /**************************************************************************
667 * Release a Media Instance object.
669 * Function does the locking.
670 **************************************************************************/
671 void libvlc_media_player_release( libvlc_media_player_t *p_mi )
677 destroy = !--p_mi->i_refcount;
681 libvlc_media_player_destroy( p_mi );
684 /**************************************************************************
685 * Retain a Media Instance object.
687 * Caller must hold the lock.
688 **************************************************************************/
689 void libvlc_media_player_retain( libvlc_media_player_t *p_mi )
698 /**************************************************************************
699 * Set the Media descriptor associated with the instance.
701 * Enter without lock -- function will lock the object.
702 **************************************************************************/
703 void libvlc_media_player_set_media(
704 libvlc_media_player_t *p_mi,
705 libvlc_media_t *p_md )
709 /* FIXME I am not sure if it is a user request or on die(eof/error)
711 release_input_thread( p_mi,
712 p_mi->p_input_thread &&
713 !p_mi->p_input_thread->b_eof &&
714 !p_mi->p_input_thread->b_error );
716 set_state( p_mi, libvlc_NothingSpecial, true );
718 libvlc_media_release( p_mi->p_md );
724 return; /* It is ok to pass a NULL md */
727 libvlc_media_retain( p_md );
730 /* The policy here is to ignore that we were created using a different
731 * libvlc_instance, because we don't really care */
732 p_mi->p_libvlc_instance = p_md->p_libvlc_instance;
736 /* Send an event for the newly available media */
737 libvlc_event_t event;
738 event.type = libvlc_MediaPlayerMediaChanged;
739 event.u.media_player_media_changed.new_media = p_md;
740 libvlc_event_send( p_mi->p_event_manager, &event );
744 /**************************************************************************
745 * Get the Media descriptor associated with the instance.
746 **************************************************************************/
748 libvlc_media_player_get_media( libvlc_media_player_t *p_mi )
755 libvlc_media_retain( p_mi->p_md );
760 /**************************************************************************
761 * Get the event Manager.
762 **************************************************************************/
763 libvlc_event_manager_t *
764 libvlc_media_player_event_manager( libvlc_media_player_t *p_mi )
766 return p_mi->p_event_manager;
769 /**************************************************************************
770 * Tell media player to start playing.
771 **************************************************************************/
772 int libvlc_media_player_play( libvlc_media_player_t *p_mi )
774 input_thread_t * p_input_thread;
776 if( (p_input_thread = libvlc_get_input_thread( p_mi )) )
778 /* A thread already exists, send it a play message */
779 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
780 vlc_object_release( p_input_thread );
784 /* Ignore previous exception */
790 libvlc_printerr( "No associated media descriptor" );
794 p_mi->p_input_thread = input_Create( p_mi,
795 p_mi->p_md->p_input_item, NULL,
796 p_mi->p_input_resource );
797 if( !p_mi->p_input_thread )
800 libvlc_printerr( "Not enough memory" );
804 p_mi->p_input_resource = NULL;
805 p_input_thread = p_mi->p_input_thread;
807 var_AddCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
808 var_AddCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
809 var_AddCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
811 if( input_Start( p_input_thread ) )
813 vlc_object_release( p_input_thread );
814 p_mi->p_input_thread = NULL;
821 /**************************************************************************
823 **************************************************************************/
824 void libvlc_media_player_pause( libvlc_media_player_t *p_mi )
826 input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi );
827 if( !p_input_thread )
830 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
831 if( state == libvlc_Playing || state == libvlc_Buffering )
833 if( libvlc_media_player_can_pause( p_mi ) )
834 input_Control( p_input_thread, INPUT_SET_STATE, PAUSE_S );
836 libvlc_media_player_stop( p_mi );
839 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
841 vlc_object_release( p_input_thread );
844 /**************************************************************************
845 * Tells whether the media player is currently playing.
847 * Enter with lock held.
848 **************************************************************************/
849 int libvlc_media_player_is_playing( libvlc_media_player_t *p_mi )
851 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
852 return (libvlc_Playing == state) || (libvlc_Buffering == state);
855 /**************************************************************************
857 **************************************************************************/
858 void libvlc_media_player_stop( libvlc_media_player_t *p_mi )
860 libvlc_state_t state = libvlc_media_player_get_state( p_mi );
863 release_input_thread( p_mi, true ); /* This will stop the input thread */
866 /* Force to go to stopped state, in case we were in Ended, or Error
868 if( state != libvlc_Stopped )
870 set_state( p_mi, libvlc_Stopped, false );
872 /* Construct and send the event */
873 libvlc_event_t event;
874 event.type = libvlc_MediaPlayerStopped;
875 libvlc_event_send( p_mi->p_event_manager, &event );
879 /**************************************************************************
881 **************************************************************************/
882 void libvlc_media_player_set_nsobject( libvlc_media_player_t *p_mi,
885 assert (p_mi != NULL);
887 var_SetAddress (p_mi, "drawable-nsobject", drawable);
889 (void) p_mi; (void)drawable;
893 /**************************************************************************
895 **************************************************************************/
896 void * libvlc_media_player_get_nsobject( libvlc_media_player_t *p_mi )
898 assert (p_mi != NULL);
900 return var_GetAddress (p_mi, "drawable-nsobject");
906 /**************************************************************************
908 **************************************************************************/
909 void libvlc_media_player_set_agl( libvlc_media_player_t *p_mi,
913 var_SetInteger (p_mi, "drawable-agl", drawable);
915 (void) p_mi; (void)drawable;
919 /**************************************************************************
921 **************************************************************************/
922 uint32_t libvlc_media_player_get_agl( libvlc_media_player_t *p_mi )
924 assert (p_mi != NULL);
926 return var_GetInteger (p_mi, "drawable-agl");
932 /**************************************************************************
934 **************************************************************************/
935 void libvlc_media_player_set_xwindow( libvlc_media_player_t *p_mi,
938 assert (p_mi != NULL);
939 var_SetInteger (p_mi, "drawable-xid", drawable);
942 /**************************************************************************
944 **************************************************************************/
945 uint32_t libvlc_media_player_get_xwindow( libvlc_media_player_t *p_mi )
947 return var_GetInteger (p_mi, "drawable-xid");
950 /**************************************************************************
952 **************************************************************************/
953 void libvlc_media_player_set_hwnd( libvlc_media_player_t *p_mi,
956 assert (p_mi != NULL);
958 var_SetAddress (p_mi, "drawable-hwnd", drawable);
960 (void) p_mi; (void) drawable;
964 /**************************************************************************
966 **************************************************************************/
967 void *libvlc_media_player_get_hwnd( libvlc_media_player_t *p_mi )
969 assert (p_mi != NULL);
971 return var_GetAddress (p_mi, "drawable-hwnd");
977 /**************************************************************************
978 * Getters for stream information
979 **************************************************************************/
980 libvlc_time_t libvlc_media_player_get_length(
981 libvlc_media_player_t *p_mi )
983 input_thread_t *p_input_thread;
984 libvlc_time_t i_time;
986 p_input_thread = libvlc_get_input_thread ( p_mi );
987 if( !p_input_thread )
990 i_time = from_mtime(var_GetTime( p_input_thread, "length" ));
991 vlc_object_release( p_input_thread );
996 libvlc_time_t libvlc_media_player_get_time( libvlc_media_player_t *p_mi )
998 input_thread_t *p_input_thread;
999 libvlc_time_t i_time;
1001 p_input_thread = libvlc_get_input_thread ( p_mi );
1002 if( !p_input_thread )
1005 i_time = from_mtime(var_GetTime( p_input_thread , "time" ));
1006 vlc_object_release( p_input_thread );
1010 void libvlc_media_player_set_time( libvlc_media_player_t *p_mi,
1011 libvlc_time_t i_time )
1013 input_thread_t *p_input_thread;
1015 p_input_thread = libvlc_get_input_thread ( p_mi );
1016 if( !p_input_thread )
1019 var_SetTime( p_input_thread, "time", to_mtime(i_time) );
1020 vlc_object_release( p_input_thread );
1023 void libvlc_media_player_set_position( libvlc_media_player_t *p_mi,
1026 input_thread_t *p_input_thread;
1028 p_input_thread = libvlc_get_input_thread ( p_mi );
1029 if( !p_input_thread )
1032 var_SetFloat( p_input_thread, "position", position );
1033 vlc_object_release( p_input_thread );
1036 float libvlc_media_player_get_position( libvlc_media_player_t *p_mi )
1038 input_thread_t *p_input_thread;
1041 p_input_thread = libvlc_get_input_thread ( p_mi );
1042 if( !p_input_thread )
1045 f_position = var_GetFloat( p_input_thread, "position" );
1046 vlc_object_release( p_input_thread );
1051 void libvlc_media_player_set_chapter( 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, "chapter", chapter );
1061 vlc_object_release( p_input_thread );
1064 int libvlc_media_player_get_chapter( libvlc_media_player_t *p_mi )
1066 input_thread_t *p_input_thread;
1069 p_input_thread = libvlc_get_input_thread ( p_mi );
1070 if( !p_input_thread )
1073 i_chapter = var_GetInteger( p_input_thread, "chapter" );
1074 vlc_object_release( p_input_thread );
1079 int libvlc_media_player_get_chapter_count( libvlc_media_player_t *p_mi )
1081 input_thread_t *p_input_thread;
1084 p_input_thread = libvlc_get_input_thread ( p_mi );
1085 if( !p_input_thread )
1088 var_Change( p_input_thread, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
1089 vlc_object_release( p_input_thread );
1094 int libvlc_media_player_get_chapter_count_for_title(
1095 libvlc_media_player_t *p_mi,
1098 input_thread_t *p_input_thread;
1101 p_input_thread = libvlc_get_input_thread ( p_mi );
1102 if( !p_input_thread )
1106 if( asprintf( &psz_name, "title %2i", i_title ) == -1 )
1108 vlc_object_release( p_input_thread );
1111 var_Change( p_input_thread, psz_name, VLC_VAR_CHOICESCOUNT, &val, NULL );
1112 vlc_object_release( p_input_thread );
1118 void libvlc_media_player_set_title( libvlc_media_player_t *p_mi,
1121 input_thread_t *p_input_thread;
1123 p_input_thread = libvlc_get_input_thread ( p_mi );
1124 if( !p_input_thread )
1127 var_SetInteger( p_input_thread, "title", i_title );
1128 vlc_object_release( p_input_thread );
1131 libvlc_event_t event;
1132 event.type = libvlc_MediaPlayerTitleChanged;
1133 event.u.media_player_title_changed.new_title = i_title;
1134 libvlc_event_send( p_mi->p_event_manager, &event );
1137 int libvlc_media_player_get_title( libvlc_media_player_t *p_mi )
1139 input_thread_t *p_input_thread;
1142 p_input_thread = libvlc_get_input_thread ( p_mi );
1143 if( !p_input_thread )
1146 i_title = var_GetInteger( p_input_thread, "title" );
1147 vlc_object_release( p_input_thread );
1152 int libvlc_media_player_get_title_count( libvlc_media_player_t *p_mi )
1154 input_thread_t *p_input_thread;
1157 p_input_thread = libvlc_get_input_thread ( p_mi );
1158 if( !p_input_thread )
1161 var_Change( p_input_thread, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
1162 vlc_object_release( p_input_thread );
1167 void libvlc_media_player_next_chapter( libvlc_media_player_t *p_mi )
1169 input_thread_t *p_input_thread;
1171 p_input_thread = libvlc_get_input_thread ( p_mi );
1172 if( !p_input_thread )
1175 int i_type = var_Type( p_input_thread, "next-chapter" );
1176 var_SetBool( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1177 "next-chapter":"next-title", true );
1179 vlc_object_release( p_input_thread );
1182 void libvlc_media_player_previous_chapter( libvlc_media_player_t *p_mi )
1184 input_thread_t *p_input_thread;
1186 p_input_thread = libvlc_get_input_thread ( p_mi );
1187 if( !p_input_thread )
1190 int i_type = var_Type( p_input_thread, "next-chapter" );
1191 var_SetBool( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1192 "prev-chapter":"prev-title", true );
1194 vlc_object_release( p_input_thread );
1197 float libvlc_media_player_get_fps( libvlc_media_player_t *p_mi )
1199 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1202 if( p_input_thread )
1204 if( input_Control( p_input_thread, INPUT_GET_VIDEO_FPS, &f_fps ) )
1206 vlc_object_release( p_input_thread );
1211 int libvlc_media_player_will_play( libvlc_media_player_t *p_mi )
1214 input_thread_t *p_input_thread =
1215 libvlc_get_input_thread ( p_mi );
1216 if ( !p_input_thread )
1219 b_will_play = !p_input_thread->b_die && !p_input_thread->b_dead;
1220 vlc_object_release( p_input_thread );
1225 int libvlc_media_player_set_rate( libvlc_media_player_t *p_mi, float rate )
1229 libvlc_printerr ("Playing backward not supported");
1233 var_SetFloat (p_mi, "rate", rate);
1235 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1236 if( !p_input_thread )
1238 var_SetFloat( p_input_thread, "rate", rate );
1239 vlc_object_release( p_input_thread );
1243 float libvlc_media_player_get_rate( libvlc_media_player_t *p_mi )
1245 return var_GetFloat (p_mi, "rate");
1248 libvlc_state_t libvlc_media_player_get_state( libvlc_media_player_t *p_mi )
1251 libvlc_state_t state = p_mi->state;
1256 int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi )
1258 input_thread_t *p_input_thread;
1261 p_input_thread = libvlc_get_input_thread ( p_mi );
1262 if ( !p_input_thread )
1264 b_seekable = var_GetBool( p_input_thread, "can-seek" );
1265 vlc_object_release( p_input_thread );
1270 /* internal function, used by audio, video */
1271 libvlc_track_description_t *
1272 libvlc_get_track_description( libvlc_media_player_t *p_mi,
1273 const char *psz_variable )
1275 input_thread_t *p_input = libvlc_get_input_thread( p_mi );
1276 libvlc_track_description_t *p_track_description = NULL,
1277 *p_actual, *p_previous;
1282 vlc_value_t val_list, text_list;
1283 var_Change( p_input, psz_variable, VLC_VAR_GETLIST, &val_list, &text_list);
1286 if( val_list.p_list->i_count <= 0 )
1289 p_track_description = ( libvlc_track_description_t * )
1290 malloc( sizeof( libvlc_track_description_t ) );
1291 if ( !p_track_description )
1293 libvlc_printerr( "Not enough memory" );
1296 p_actual = p_track_description;
1298 for( int i = 0; i < val_list.p_list->i_count; i++ )
1302 p_actual = ( libvlc_track_description_t * )
1303 malloc( sizeof( libvlc_track_description_t ) );
1306 libvlc_track_description_release( p_track_description );
1307 libvlc_printerr( "Not enough memory" );
1311 p_actual->i_id = val_list.p_list->p_values[i].i_int;
1312 p_actual->psz_name = strdup( text_list.p_list->p_values[i].psz_string );
1313 p_actual->p_next = NULL;
1315 p_previous->p_next = p_actual;
1316 p_previous = p_actual;
1321 var_FreeList( &val_list, &text_list );
1322 vlc_object_release( p_input );
1324 return p_track_description;
1327 void libvlc_track_description_release( libvlc_track_description_t *p_td )
1329 libvlc_track_description_t *p_actual, *p_before;
1334 free( p_actual->psz_name );
1335 p_before = p_actual;
1336 p_actual = p_before->p_next;
1341 int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi )
1343 input_thread_t *p_input_thread;
1346 p_input_thread = libvlc_get_input_thread ( p_mi );
1347 if ( !p_input_thread )
1349 b_can_pause = var_GetBool( p_input_thread, "can-pause" );
1350 vlc_object_release( p_input_thread );
1355 void libvlc_media_player_next_frame( libvlc_media_player_t *p_mi )
1357 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi );
1358 if( p_input_thread != NULL )
1360 var_TriggerCallback( p_input_thread, "frame-next" );
1361 vlc_object_release( p_input_thread );