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
);
307 /**************************************************************************
308 * Snapshot Taken Event.
310 * FIXME: This snapshot API interface makes no sense in media_player.
311 *************************************************************************/
312 static int snapshot_was_taken(vlc_object_t
*p_this
, char const *psz_cmd
,
313 vlc_value_t oldval
, vlc_value_t newval
, void *p_data
)
315 VLC_UNUSED(psz_cmd
); VLC_UNUSED(oldval
); VLC_UNUSED(p_this
);
317 libvlc_media_player_t
*mp
= p_data
;
318 libvlc_event_t event
;
319 event
.type
= libvlc_MediaPlayerSnapshotTaken
;
320 event
.u
.media_player_snapshot_taken
.psz_filename
= newval
.psz_string
;
321 libvlc_event_send(mp
->p_event_manager
, &event
);
326 static input_thread_t
*find_input (vlc_object_t
*obj
)
328 libvlc_media_player_t
*mp
= (libvlc_media_player_t
*)obj
;
330 return libvlc_get_input_thread (mp
);
334 static void libvlc_media_player_destroy( libvlc_media_player_t
* );
337 /**************************************************************************
338 * Create a Media Instance object.
341 * - All items created by _new start with a refcount set to 1.
342 * - Accessor _release decrease the refcount by 1, if after that
343 * operation the refcount is 0, the object is destroyed.
344 * - Accessor _retain increase the refcount by 1 (XXX: to implement)
346 * Object locking strategy:
347 * - No lock held while in constructor.
348 * - When accessing any member variable this lock is held. (XXX who locks?)
349 * - When attempting to destroy the object the lock is also held.
350 **************************************************************************/
351 libvlc_media_player_t
*
352 libvlc_media_player_new( libvlc_instance_t
*instance
)
354 libvlc_media_player_t
* mp
;
358 mp
= vlc_object_create (instance
->p_libvlc_int
, sizeof(*mp
));
359 if (unlikely(mp
== NULL
))
361 libvlc_printerr("Not enough memory");
364 vlc_object_attach (mp
, mp
->p_libvlc
);
367 var_Create (mp
, "rate", VLC_VAR_FLOAT
|VLC_VAR_DOINHERIT
);
370 var_Create (mp
, "window", VLC_VAR_STRING
);
371 var_Create (mp
, "drawable-xid", VLC_VAR_INTEGER
);
373 var_Create (mp
, "drawable-hwnd", VLC_VAR_ADDRESS
);
376 var_Create (mp
, "drawable-agl", VLC_VAR_INTEGER
);
377 var_Create (mp
, "drawable-nsobject", VLC_VAR_ADDRESS
);
380 var_Create (mp
, "keyboard-events", VLC_VAR_BOOL
);
381 var_SetBool (mp
, "keyboard-events", true);
382 var_Create (mp
, "mouse-events", VLC_VAR_BOOL
);
383 var_SetBool (mp
, "mouse-events", true);
385 var_Create (mp
, "fullscreen", VLC_VAR_BOOL
);
386 var_Create (mp
, "autoscale", VLC_VAR_BOOL
);
387 var_SetBool (mp
, "autoscale", true);
388 var_Create (mp
, "scale", VLC_VAR_FLOAT
);
389 var_SetFloat (mp
, "scale", 1.);
390 var_Create (mp
, "aspect-ratio", VLC_VAR_STRING
);
391 var_Create (mp
, "crop", VLC_VAR_STRING
);
392 var_Create (mp
, "deinterlace", VLC_VAR_INTEGER
);
393 var_Create (mp
, "deinterlace-mode", VLC_VAR_STRING
);
395 var_Create (mp
, "vbi-page", VLC_VAR_INTEGER
);
397 var_Create (mp
, "marq-marquee", VLC_VAR_STRING
);
398 var_Create (mp
, "marq-color", VLC_VAR_INTEGER
| VLC_VAR_DOINHERIT
);
399 var_Create (mp
, "marq-opacity", VLC_VAR_INTEGER
| VLC_VAR_DOINHERIT
);
400 var_Create (mp
, "marq-position", VLC_VAR_INTEGER
| VLC_VAR_DOINHERIT
);
401 var_Create (mp
, "marq-refresh", VLC_VAR_INTEGER
| VLC_VAR_DOINHERIT
);
402 var_Create (mp
, "marq-size", VLC_VAR_INTEGER
| VLC_VAR_DOINHERIT
);
403 var_Create (mp
, "marq-timeout", VLC_VAR_INTEGER
| VLC_VAR_DOINHERIT
);
404 var_Create (mp
, "marq-x", VLC_VAR_INTEGER
| VLC_VAR_DOINHERIT
);
405 var_Create (mp
, "marq-y", VLC_VAR_INTEGER
| VLC_VAR_DOINHERIT
);
407 var_Create (mp
, "logo-file", VLC_VAR_STRING
);
408 var_Create (mp
, "logo-x", VLC_VAR_INTEGER
| VLC_VAR_DOINHERIT
);
409 var_Create (mp
, "logo-y", VLC_VAR_INTEGER
| VLC_VAR_DOINHERIT
);
410 var_Create (mp
, "logo-delay", VLC_VAR_INTEGER
| VLC_VAR_DOINHERIT
);
411 var_Create (mp
, "logo-repeat", VLC_VAR_INTEGER
| VLC_VAR_DOINHERIT
);
412 var_Create (mp
, "logo-opacity", VLC_VAR_INTEGER
| VLC_VAR_DOINHERIT
);
413 var_Create (mp
, "logo-position", VLC_VAR_INTEGER
| VLC_VAR_DOINHERIT
);
415 var_Create (mp
, "contrast", VLC_VAR_FLOAT
| VLC_VAR_DOINHERIT
);
416 var_Create (mp
, "brightness", VLC_VAR_FLOAT
| VLC_VAR_DOINHERIT
);
417 var_Create (mp
, "hue", VLC_VAR_INTEGER
| VLC_VAR_DOINHERIT
);
418 var_Create (mp
, "saturation", VLC_VAR_FLOAT
| VLC_VAR_DOINHERIT
);
419 var_Create (mp
, "gamma", VLC_VAR_FLOAT
| VLC_VAR_DOINHERIT
);
422 var_Create (mp
, "aout", VLC_VAR_STRING
| VLC_VAR_DOINHERIT
);
423 var_Create (mp
, "volume-muted", VLC_VAR_BOOL
);
424 var_Create (mp
, "saved-volume", VLC_VAR_INTEGER
);
425 var_Create (mp
, "volume-change", VLC_VAR_VOID
);
426 var_Create (mp
, "find-input-callback", VLC_VAR_ADDRESS
);
427 var_SetAddress (mp
, "find-input-callback", find_input
);
430 mp
->state
= libvlc_NothingSpecial
;
431 mp
->p_libvlc_instance
= instance
;
432 mp
->input
.p_thread
= NULL
;
433 mp
->input
.p_resource
= NULL
;
434 vlc_mutex_init (&mp
->input
.lock
);
436 mp
->p_event_manager
= libvlc_event_manager_new(mp
, instance
);
437 if (unlikely(mp
->p_event_manager
== NULL
))
439 vlc_object_release(mp
);
442 vlc_mutex_init(&mp
->object_lock
);
444 register_event(mp
, NothingSpecial
);
445 register_event(mp
, Opening
);
446 register_event(mp
, Buffering
);
447 register_event(mp
, Playing
);
448 register_event(mp
, Paused
);
449 register_event(mp
, Stopped
);
450 register_event(mp
, Forward
);
451 register_event(mp
, Backward
);
452 register_event(mp
, EndReached
);
453 register_event(mp
, EncounteredError
);
454 register_event(mp
, SeekableChanged
);
456 register_event(mp
, PositionChanged
);
457 register_event(mp
, TimeChanged
);
458 register_event(mp
, LengthChanged
);
459 register_event(mp
, TitleChanged
);
460 register_event(mp
, PausableChanged
);
462 /* Snapshot initialization */
463 register_event(mp
, SnapshotTaken
);
465 register_event(mp
, MediaChanged
);
467 /* Attach a var callback to the global object to provide the glue between
468 * vout_thread that generates the event and media_player that re-emits it
469 * with its own event manager
471 * FIXME: It's unclear why we want to put this in public API, and why we
472 * want to expose it in such a limiting and ugly way.
474 var_AddCallback(mp
->p_libvlc
, "snapshot-file", snapshot_was_taken
, mp
);
476 libvlc_retain(instance
);
480 /**************************************************************************
481 * Create a Media Instance object with a media descriptor.
482 **************************************************************************/
483 libvlc_media_player_t
*
484 libvlc_media_player_new_from_media( libvlc_media_t
* p_md
)
486 libvlc_media_player_t
* p_mi
;
488 p_mi
= libvlc_media_player_new( p_md
->p_libvlc_instance
);
492 libvlc_media_retain( p_md
);
498 /**************************************************************************
499 * Destroy a Media Instance object (libvlc internal)
501 * Warning: No lock held here, but hey, this is internal. Caller must lock.
502 **************************************************************************/
503 static void libvlc_media_player_destroy( libvlc_media_player_t
*p_mi
)
507 /* Detach Callback from the main libvlc object */
508 var_DelCallback( p_mi
->p_libvlc
,
509 "snapshot-file", snapshot_was_taken
, p_mi
);
511 /* No need for lock_input() because no other threads knows us anymore */
512 if( p_mi
->input
.p_thread
)
513 release_input_thread(p_mi
, true);
514 if( p_mi
->input
.p_resource
)
516 input_resource_Terminate( p_mi
->input
.p_resource
);
517 input_resource_Release( p_mi
->input
.p_resource
);
518 p_mi
->input
.p_resource
= NULL
;
520 vlc_mutex_destroy( &p_mi
->input
.lock
);
522 libvlc_event_manager_release( p_mi
->p_event_manager
);
523 libvlc_media_release( p_mi
->p_md
);
524 vlc_mutex_destroy( &p_mi
->object_lock
);
526 libvlc_instance_t
*instance
= p_mi
->p_libvlc_instance
;
527 vlc_object_release( p_mi
);
528 libvlc_release(instance
);
531 /**************************************************************************
532 * Release a Media Instance object.
534 * Function does the locking.
535 **************************************************************************/
536 void libvlc_media_player_release( libvlc_media_player_t
*p_mi
)
542 destroy
= !--p_mi
->i_refcount
;
546 libvlc_media_player_destroy( p_mi
);
549 /**************************************************************************
550 * Retain a Media Instance object.
552 * Caller must hold the lock.
553 **************************************************************************/
554 void libvlc_media_player_retain( libvlc_media_player_t
*p_mi
)
563 /**************************************************************************
564 * Set the Media descriptor associated with the instance.
566 * Enter without lock -- function will lock the object.
567 **************************************************************************/
568 void libvlc_media_player_set_media(
569 libvlc_media_player_t
*p_mi
,
570 libvlc_media_t
*p_md
)
574 /* FIXME I am not sure if it is a user request or on die(eof/error)
576 release_input_thread( p_mi
,
577 p_mi
->input
.p_thread
&&
578 !p_mi
->input
.p_thread
->b_eof
&&
579 !p_mi
->input
.p_thread
->b_error
);
582 set_state( p_mi
, libvlc_NothingSpecial
, true );
583 unlock_input( p_mi
);
585 libvlc_media_release( p_mi
->p_md
);
591 return; /* It is ok to pass a NULL md */
594 libvlc_media_retain( p_md
);
597 /* The policy here is to ignore that we were created using a different
598 * libvlc_instance, because we don't really care */
599 p_mi
->p_libvlc_instance
= p_md
->p_libvlc_instance
;
603 /* Send an event for the newly available media */
604 libvlc_event_t event
;
605 event
.type
= libvlc_MediaPlayerMediaChanged
;
606 event
.u
.media_player_media_changed
.new_media
= p_md
;
607 libvlc_event_send( p_mi
->p_event_manager
, &event
);
611 /**************************************************************************
612 * Get the Media descriptor associated with the instance.
613 **************************************************************************/
615 libvlc_media_player_get_media( libvlc_media_player_t
*p_mi
)
622 libvlc_media_retain( p_mi
->p_md
);
627 /**************************************************************************
628 * Get the event Manager.
629 **************************************************************************/
630 libvlc_event_manager_t
*
631 libvlc_media_player_event_manager( libvlc_media_player_t
*p_mi
)
633 return p_mi
->p_event_manager
;
636 /**************************************************************************
637 * Tell media player to start playing.
638 **************************************************************************/
639 int libvlc_media_player_play( libvlc_media_player_t
*p_mi
)
643 input_thread_t
*p_input_thread
= p_mi
->input
.p_thread
;
646 /* A thread already exists, send it a play message */
647 input_Control( p_input_thread
, INPUT_SET_STATE
, PLAYING_S
);
648 unlock_input( p_mi
);
652 /* Ignore previous exception */
658 unlock_input( p_mi
);
659 libvlc_printerr( "No associated media descriptor" );
663 if( !p_mi
->input
.p_resource
)
664 p_mi
->input
.p_resource
= input_resource_New( VLC_OBJECT( p_mi
) );
665 p_input_thread
= input_Create( p_mi
, p_mi
->p_md
->p_input_item
, NULL
,
666 p_mi
->input
.p_resource
);
668 if( !p_input_thread
)
671 libvlc_printerr( "Not enough memory" );
675 var_AddCallback( p_input_thread
, "can-seek", input_seekable_changed
, p_mi
);
676 var_AddCallback( p_input_thread
, "can-pause", input_pausable_changed
, p_mi
);
677 var_AddCallback( p_input_thread
, "intf-event", input_event_changed
, p_mi
);
679 if( input_Start( p_input_thread
) )
682 var_DelCallback( p_input_thread
, "intf-event", input_event_changed
, p_mi
);
683 var_DelCallback( p_input_thread
, "can-pause", input_pausable_changed
, p_mi
);
684 var_DelCallback( p_input_thread
, "can-seek", input_seekable_changed
, p_mi
);
685 vlc_object_release( p_input_thread
);
686 libvlc_printerr( "Input initialization failure" );
689 p_mi
->input
.p_thread
= p_input_thread
;
694 void libvlc_media_player_set_pause( libvlc_media_player_t
*p_mi
, int paused
)
696 input_thread_t
* p_input_thread
= libvlc_get_input_thread( p_mi
);
697 if( !p_input_thread
)
700 libvlc_state_t state
= libvlc_media_player_get_state( p_mi
);
701 if( state
== libvlc_Playing
|| state
== libvlc_Buffering
)
705 if( libvlc_media_player_can_pause( p_mi
) )
706 input_Control( p_input_thread
, INPUT_SET_STATE
, PAUSE_S
);
708 libvlc_media_player_stop( p_mi
);
714 input_Control( p_input_thread
, INPUT_SET_STATE
, PLAYING_S
);
717 vlc_object_release( p_input_thread
);
720 /**************************************************************************
722 **************************************************************************/
723 void libvlc_media_player_pause( libvlc_media_player_t
*p_mi
)
725 libvlc_state_t state
= libvlc_media_player_get_state( p_mi
);
726 bool playing
= (state
== libvlc_Playing
|| state
== libvlc_Buffering
);
728 libvlc_media_player_set_pause( p_mi
, playing
);
731 /**************************************************************************
732 * Tells whether the media player is currently playing.
734 * Enter with lock held.
735 **************************************************************************/
736 int libvlc_media_player_is_playing( libvlc_media_player_t
*p_mi
)
738 libvlc_state_t state
= libvlc_media_player_get_state( p_mi
);
739 return (libvlc_Playing
== state
) || (libvlc_Buffering
== state
);
742 /**************************************************************************
744 **************************************************************************/
745 void libvlc_media_player_stop( libvlc_media_player_t
*p_mi
)
747 libvlc_state_t state
= libvlc_media_player_get_state( p_mi
);
750 release_input_thread( p_mi
, true ); /* This will stop the input thread */
752 /* Force to go to stopped state, in case we were in Ended, or Error
754 if( state
!= libvlc_Stopped
)
756 set_state( p_mi
, libvlc_Stopped
, false );
758 /* Construct and send the event */
759 libvlc_event_t event
;
760 event
.type
= libvlc_MediaPlayerStopped
;
761 libvlc_event_send( p_mi
->p_event_manager
, &event
);
764 if( p_mi
->input
.p_resource
!= NULL
)
765 input_resource_TerminateVout( p_mi
->input
.p_resource
);
769 /**************************************************************************
771 **************************************************************************/
772 void libvlc_media_player_set_nsobject( libvlc_media_player_t
*p_mi
,
775 assert (p_mi
!= NULL
);
777 var_SetAddress (p_mi
, "drawable-nsobject", drawable
);
779 (void) p_mi
; (void)drawable
;
783 /**************************************************************************
785 **************************************************************************/
786 void * libvlc_media_player_get_nsobject( libvlc_media_player_t
*p_mi
)
788 assert (p_mi
!= NULL
);
790 return var_GetAddress (p_mi
, "drawable-nsobject");
796 /**************************************************************************
798 **************************************************************************/
799 void libvlc_media_player_set_agl( libvlc_media_player_t
*p_mi
,
803 var_SetInteger (p_mi
, "drawable-agl", drawable
);
805 (void) p_mi
; (void)drawable
;
809 /**************************************************************************
811 **************************************************************************/
812 uint32_t libvlc_media_player_get_agl( libvlc_media_player_t
*p_mi
)
814 assert (p_mi
!= NULL
);
816 return var_GetInteger (p_mi
, "drawable-agl");
822 /**************************************************************************
824 **************************************************************************/
825 void libvlc_media_player_set_xwindow( libvlc_media_player_t
*p_mi
,
828 assert (p_mi
!= NULL
);
829 var_SetString (p_mi
, "window", drawable
? "embed-xid,any" : "any");
830 var_SetInteger (p_mi
, "drawable-xid", drawable
);
833 /**************************************************************************
835 **************************************************************************/
836 uint32_t libvlc_media_player_get_xwindow( libvlc_media_player_t
*p_mi
)
838 return var_GetInteger (p_mi
, "drawable-xid");
841 /**************************************************************************
843 **************************************************************************/
844 void libvlc_media_player_set_hwnd( libvlc_media_player_t
*p_mi
,
847 assert (p_mi
!= NULL
);
849 var_SetString (p_mi
, "window",
850 (drawable
!= NULL
) ? "embed-hwnd,any" : "");
851 var_SetAddress (p_mi
, "drawable-hwnd", drawable
);
853 (void) p_mi
; (void) drawable
;
857 /**************************************************************************
859 **************************************************************************/
860 void *libvlc_media_player_get_hwnd( libvlc_media_player_t
*p_mi
)
862 assert (p_mi
!= NULL
);
864 return var_GetAddress (p_mi
, "drawable-hwnd");
870 /**************************************************************************
871 * Getters for stream information
872 **************************************************************************/
873 libvlc_time_t
libvlc_media_player_get_length(
874 libvlc_media_player_t
*p_mi
)
876 input_thread_t
*p_input_thread
;
877 libvlc_time_t i_time
;
879 p_input_thread
= libvlc_get_input_thread ( p_mi
);
880 if( !p_input_thread
)
883 i_time
= from_mtime(var_GetTime( p_input_thread
, "length" ));
884 vlc_object_release( p_input_thread
);
889 libvlc_time_t
libvlc_media_player_get_time( libvlc_media_player_t
*p_mi
)
891 input_thread_t
*p_input_thread
;
892 libvlc_time_t i_time
;
894 p_input_thread
= libvlc_get_input_thread ( p_mi
);
895 if( !p_input_thread
)
898 i_time
= from_mtime(var_GetTime( p_input_thread
, "time" ));
899 vlc_object_release( p_input_thread
);
903 void libvlc_media_player_set_time( libvlc_media_player_t
*p_mi
,
904 libvlc_time_t i_time
)
906 input_thread_t
*p_input_thread
;
908 p_input_thread
= libvlc_get_input_thread ( p_mi
);
909 if( !p_input_thread
)
912 var_SetTime( p_input_thread
, "time", to_mtime(i_time
) );
913 vlc_object_release( p_input_thread
);
916 void libvlc_media_player_set_position( libvlc_media_player_t
*p_mi
,
919 input_thread_t
*p_input_thread
;
921 p_input_thread
= libvlc_get_input_thread ( p_mi
);
922 if( !p_input_thread
)
925 var_SetFloat( p_input_thread
, "position", position
);
926 vlc_object_release( p_input_thread
);
929 float libvlc_media_player_get_position( libvlc_media_player_t
*p_mi
)
931 input_thread_t
*p_input_thread
;
934 p_input_thread
= libvlc_get_input_thread ( p_mi
);
935 if( !p_input_thread
)
938 f_position
= var_GetFloat( p_input_thread
, "position" );
939 vlc_object_release( p_input_thread
);
944 void libvlc_media_player_set_chapter( libvlc_media_player_t
*p_mi
,
947 input_thread_t
*p_input_thread
;
949 p_input_thread
= libvlc_get_input_thread ( p_mi
);
950 if( !p_input_thread
)
953 var_SetInteger( p_input_thread
, "chapter", chapter
);
954 vlc_object_release( p_input_thread
);
957 int libvlc_media_player_get_chapter( libvlc_media_player_t
*p_mi
)
959 input_thread_t
*p_input_thread
;
962 p_input_thread
= libvlc_get_input_thread ( p_mi
);
963 if( !p_input_thread
)
966 i_chapter
= var_GetInteger( p_input_thread
, "chapter" );
967 vlc_object_release( p_input_thread
);
972 int libvlc_media_player_get_chapter_count( libvlc_media_player_t
*p_mi
)
974 input_thread_t
*p_input_thread
;
977 p_input_thread
= libvlc_get_input_thread ( p_mi
);
978 if( !p_input_thread
)
981 var_Change( p_input_thread
, "chapter", VLC_VAR_CHOICESCOUNT
, &val
, NULL
);
982 vlc_object_release( p_input_thread
);
987 int libvlc_media_player_get_chapter_count_for_title(
988 libvlc_media_player_t
*p_mi
,
991 input_thread_t
*p_input_thread
;
994 p_input_thread
= libvlc_get_input_thread ( p_mi
);
995 if( !p_input_thread
)
999 if( asprintf( &psz_name
, "title %2i", i_title
) == -1 )
1001 vlc_object_release( p_input_thread
);
1004 var_Change( p_input_thread
, psz_name
, VLC_VAR_CHOICESCOUNT
, &val
, NULL
);
1005 vlc_object_release( p_input_thread
);
1011 void libvlc_media_player_set_title( libvlc_media_player_t
*p_mi
,
1014 input_thread_t
*p_input_thread
;
1016 p_input_thread
= libvlc_get_input_thread ( p_mi
);
1017 if( !p_input_thread
)
1020 var_SetInteger( p_input_thread
, "title", i_title
);
1021 vlc_object_release( p_input_thread
);
1024 libvlc_event_t event
;
1025 event
.type
= libvlc_MediaPlayerTitleChanged
;
1026 event
.u
.media_player_title_changed
.new_title
= i_title
;
1027 libvlc_event_send( p_mi
->p_event_manager
, &event
);
1030 int libvlc_media_player_get_title( libvlc_media_player_t
*p_mi
)
1032 input_thread_t
*p_input_thread
;
1035 p_input_thread
= libvlc_get_input_thread ( p_mi
);
1036 if( !p_input_thread
)
1039 i_title
= var_GetInteger( p_input_thread
, "title" );
1040 vlc_object_release( p_input_thread
);
1045 int libvlc_media_player_get_title_count( libvlc_media_player_t
*p_mi
)
1047 input_thread_t
*p_input_thread
;
1050 p_input_thread
= libvlc_get_input_thread ( p_mi
);
1051 if( !p_input_thread
)
1054 var_Change( p_input_thread
, "title", VLC_VAR_CHOICESCOUNT
, &val
, NULL
);
1055 vlc_object_release( p_input_thread
);
1060 void libvlc_media_player_next_chapter( libvlc_media_player_t
*p_mi
)
1062 input_thread_t
*p_input_thread
;
1064 p_input_thread
= libvlc_get_input_thread ( p_mi
);
1065 if( !p_input_thread
)
1068 int i_type
= var_Type( p_input_thread
, "next-chapter" );
1069 var_SetBool( p_input_thread
, (i_type
& VLC_VAR_TYPE
) != 0 ?
1070 "next-chapter":"next-title", true );
1072 vlc_object_release( p_input_thread
);
1075 void libvlc_media_player_previous_chapter( libvlc_media_player_t
*p_mi
)
1077 input_thread_t
*p_input_thread
;
1079 p_input_thread
= libvlc_get_input_thread ( p_mi
);
1080 if( !p_input_thread
)
1083 int i_type
= var_Type( p_input_thread
, "next-chapter" );
1084 var_SetBool( p_input_thread
, (i_type
& VLC_VAR_TYPE
) != 0 ?
1085 "prev-chapter":"prev-title", true );
1087 vlc_object_release( p_input_thread
);
1090 float libvlc_media_player_get_fps( libvlc_media_player_t
*p_mi
)
1092 input_thread_t
*p_input_thread
= libvlc_get_input_thread ( p_mi
);
1095 if( p_input_thread
)
1097 if( input_Control( p_input_thread
, INPUT_GET_VIDEO_FPS
, &f_fps
) )
1099 vlc_object_release( p_input_thread
);
1104 int libvlc_media_player_will_play( libvlc_media_player_t
*p_mi
)
1107 input_thread_t
*p_input_thread
=
1108 libvlc_get_input_thread ( p_mi
);
1109 if ( !p_input_thread
)
1112 b_will_play
= !p_input_thread
->b_die
&& !p_input_thread
->b_dead
;
1113 vlc_object_release( p_input_thread
);
1118 int libvlc_media_player_set_rate( libvlc_media_player_t
*p_mi
, float rate
)
1122 libvlc_printerr ("Playing backward not supported");
1126 var_SetFloat (p_mi
, "rate", rate
);
1128 input_thread_t
*p_input_thread
= libvlc_get_input_thread ( p_mi
);
1129 if( !p_input_thread
)
1131 var_SetFloat( p_input_thread
, "rate", rate
);
1132 vlc_object_release( p_input_thread
);
1136 float libvlc_media_player_get_rate( libvlc_media_player_t
*p_mi
)
1138 return var_GetFloat (p_mi
, "rate");
1141 libvlc_state_t
libvlc_media_player_get_state( libvlc_media_player_t
*p_mi
)
1144 libvlc_state_t state
= p_mi
->state
;
1149 int libvlc_media_player_is_seekable( libvlc_media_player_t
*p_mi
)
1151 input_thread_t
*p_input_thread
;
1154 p_input_thread
= libvlc_get_input_thread ( p_mi
);
1155 if ( !p_input_thread
)
1157 b_seekable
= var_GetBool( p_input_thread
, "can-seek" );
1158 vlc_object_release( p_input_thread
);
1163 /* internal function, used by audio, video */
1164 libvlc_track_description_t
*
1165 libvlc_get_track_description( libvlc_media_player_t
*p_mi
,
1166 const char *psz_variable
)
1168 input_thread_t
*p_input
= libvlc_get_input_thread( p_mi
);
1169 libvlc_track_description_t
*p_track_description
= NULL
,
1170 *p_actual
, *p_previous
;
1175 vlc_value_t val_list
, text_list
;
1176 var_Change( p_input
, psz_variable
, VLC_VAR_GETLIST
, &val_list
, &text_list
);
1179 if( val_list
.p_list
->i_count
<= 0 )
1182 p_track_description
= ( libvlc_track_description_t
* )
1183 malloc( sizeof( libvlc_track_description_t
) );
1184 if ( !p_track_description
)
1186 libvlc_printerr( "Not enough memory" );
1189 p_actual
= p_track_description
;
1191 for( int i
= 0; i
< val_list
.p_list
->i_count
; i
++ )
1195 p_actual
= ( libvlc_track_description_t
* )
1196 malloc( sizeof( libvlc_track_description_t
) );
1199 libvlc_track_description_release( p_track_description
);
1200 libvlc_printerr( "Not enough memory" );
1204 p_actual
->i_id
= val_list
.p_list
->p_values
[i
].i_int
;
1205 p_actual
->psz_name
= strdup( text_list
.p_list
->p_values
[i
].psz_string
);
1206 p_actual
->p_next
= NULL
;
1208 p_previous
->p_next
= p_actual
;
1209 p_previous
= p_actual
;
1214 var_FreeList( &val_list
, &text_list
);
1215 vlc_object_release( p_input
);
1217 return p_track_description
;
1220 void libvlc_track_description_release( libvlc_track_description_t
*p_td
)
1222 libvlc_track_description_t
*p_actual
, *p_before
;
1227 free( p_actual
->psz_name
);
1228 p_before
= p_actual
;
1229 p_actual
= p_before
->p_next
;
1234 int libvlc_media_player_can_pause( libvlc_media_player_t
*p_mi
)
1236 input_thread_t
*p_input_thread
;
1239 p_input_thread
= libvlc_get_input_thread ( p_mi
);
1240 if ( !p_input_thread
)
1242 b_can_pause
= var_GetBool( p_input_thread
, "can-pause" );
1243 vlc_object_release( p_input_thread
);
1248 void libvlc_media_player_next_frame( libvlc_media_player_t
*p_mi
)
1250 input_thread_t
*p_input_thread
= libvlc_get_input_thread ( p_mi
);
1251 if( p_input_thread
!= NULL
)
1253 var_TriggerCallback( p_input_thread
, "frame-next" );
1254 vlc_object_release( p_input_thread
);