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 *****************************************************************************/
24 #include "libvlc_internal.h"
26 #include <vlc/libvlc.h>
27 #include <vlc_demux.h>
28 #include <vlc_input.h>
34 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
35 vlc_value_t oldval, vlc_value_t newval,
38 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
39 vlc_value_t oldval, vlc_value_t newval,
42 input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
43 vlc_value_t oldval, vlc_value_t newval,
46 static int SnapshotTakenCallback( vlc_object_t *p_this, char const *psz_cmd,
47 vlc_value_t oldval, vlc_value_t newval, void *p_data );
49 static const libvlc_state_t vlc_to_libvlc_state_array[] =
51 [INIT_S] = libvlc_NothingSpecial,
52 [OPENING_S] = libvlc_Opening,
53 [PLAYING_S] = libvlc_Playing,
54 [PAUSE_S] = libvlc_Paused,
55 [END_S] = libvlc_Ended,
56 [ERROR_S] = libvlc_Error,
59 static inline libvlc_state_t vlc_to_libvlc_state( int vlc_state )
61 if( vlc_state < 0 || vlc_state > 6 )
64 return vlc_to_libvlc_state_array[vlc_state];
68 * Release the associated input thread.
70 * Object lock is NOT held.
72 static void release_input_thread( libvlc_media_player_t *p_mi, bool b_input_abort )
74 input_thread_t * p_input_thread;
76 if( !p_mi || !p_mi->p_input_thread )
79 p_input_thread = p_mi->p_input_thread;
81 var_DelCallback( p_input_thread, "can-seek",
82 input_seekable_changed, p_mi );
83 var_DelCallback( p_input_thread, "can-pause",
84 input_pausable_changed, p_mi );
85 var_DelCallback( p_input_thread, "intf-event",
86 input_event_changed, p_mi );
88 /* We owned this one */
89 input_Stop( p_input_thread, b_input_abort );
90 vlc_thread_join( p_input_thread );
92 var_Destroy( p_input_thread, "drawable-hwnd" );
93 var_Destroy( p_input_thread, "drawable-xid" );
94 var_Destroy( p_input_thread, "drawable-agl" );
96 vlc_object_release( p_input_thread );
98 p_mi->p_input_thread = NULL;
102 * Retrieve the input thread. Be sure to release the object
103 * once you are done with it. (libvlc Internal)
105 * Function will lock the object.
107 input_thread_t *libvlc_get_input_thread( libvlc_media_player_t *p_mi,
108 libvlc_exception_t *p_e )
110 input_thread_t *p_input_thread;
112 if( !p_mi ) RAISENULL( "Media Instance is NULL" );
114 vlc_mutex_lock( &p_mi->object_lock );
116 if( !p_mi->p_input_thread )
118 vlc_mutex_unlock( &p_mi->object_lock );
119 RAISENULL( "Input is NULL" );
122 p_input_thread = p_mi->p_input_thread;
123 vlc_object_hold( p_input_thread );
125 vlc_mutex_unlock( &p_mi->object_lock );
127 return p_input_thread;
131 input_seekable_changed( vlc_object_t * p_this, char const * psz_cmd,
132 vlc_value_t oldval, vlc_value_t newval,
138 libvlc_media_player_t * p_mi = p_userdata;
139 libvlc_event_t event;
141 libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL);
142 event.type = libvlc_MediaPlayerSeekableChanged;
143 event.u.media_player_seekable_changed.new_seekable = newval.b_bool;
145 libvlc_event_send( p_mi->p_event_manager, &event );
150 input_pausable_changed( vlc_object_t * p_this, char const * psz_cmd,
151 vlc_value_t oldval, vlc_value_t newval,
157 libvlc_media_player_t * p_mi = p_userdata;
158 libvlc_event_t event;
160 libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, NULL);
161 event.type = libvlc_MediaPlayerPausableChanged;
162 event.u.media_player_pausable_changed.new_pausable = newval.b_bool;
164 libvlc_event_send( p_mi->p_event_manager, &event );
169 input_event_changed( vlc_object_t * p_this, char const * psz_cmd,
170 vlc_value_t oldval, vlc_value_t newval,
174 input_thread_t * p_input = (input_thread_t *)p_this;
175 libvlc_media_player_t * p_mi = p_userdata;
176 libvlc_event_t event;
178 assert( !strcmp( psz_cmd, "intf-event" ) );
180 if( newval.i_int == INPUT_EVENT_STATE )
182 libvlc_state_t libvlc_state;
184 switch ( var_GetInteger( p_input, "state" ) )
187 libvlc_state = libvlc_NothingSpecial;
188 event.type = libvlc_MediaPlayerNothingSpecial;
191 libvlc_state = libvlc_Opening;
192 event.type = libvlc_MediaPlayerOpening;
195 libvlc_state = libvlc_Playing;
196 event.type = libvlc_MediaPlayerPlaying;
199 libvlc_state = libvlc_Paused;
200 event.type = libvlc_MediaPlayerPaused;
203 libvlc_state = libvlc_Ended;
204 event.type = libvlc_MediaPlayerEndReached;
207 libvlc_state = libvlc_Error;
208 event.type = libvlc_MediaPlayerEncounteredError;
215 libvlc_media_set_state( p_mi->p_md, libvlc_state, NULL );
216 libvlc_event_send( p_mi->p_event_manager, &event );
218 else if( newval.i_int == INPUT_EVENT_POSITION )
220 if( var_GetInteger( p_input, "state" ) != PLAYING_S )
221 return VLC_SUCCESS; /* Don't send the position while stopped */
224 event.type = libvlc_MediaPlayerPositionChanged;
225 event.u.media_player_position_changed.new_position =
226 var_GetFloat( p_input, "position" );
227 libvlc_event_send( p_mi->p_event_manager, &event );
230 event.type = libvlc_MediaPlayerTimeChanged;
231 event.u.media_player_time_changed.new_time =
232 var_GetTime( p_input, "time" );
233 libvlc_event_send( p_mi->p_event_manager, &event );
235 else if( newval.i_int == INPUT_EVENT_LENGTH )
237 event.type = libvlc_MediaPlayerLengthChanged;
238 event.u.media_player_length_changed.new_length =
239 var_GetTime( p_input, "length" );
240 libvlc_event_send( p_mi->p_event_manager, &event );
247 static void libvlc_media_player_destroy( libvlc_media_player_t * );
249 /**************************************************************************
250 * Create a Media Instance object.
253 * - All items created by _new start with a refcount set to 1.
254 * - Accessor _release decrease the refcount by 1, if after that
255 * operation the refcount is 0, the object is destroyed.
256 * - Accessor _retain increase the refcount by 1 (XXX: to implement)
258 * Object locking strategy:
259 * - No lock held while in constructor.
260 * - When accessing any member variable this lock is held. (XXX who locks?)
261 * - When attempting to destroy the object the lock is also held.
262 **************************************************************************/
263 libvlc_media_player_t *
264 libvlc_media_player_new( libvlc_instance_t * p_libvlc_instance,
265 libvlc_exception_t * p_e )
267 libvlc_media_player_t * p_mi;
269 if( !p_libvlc_instance )
271 libvlc_exception_raise( p_e, "invalid libvlc instance" );
275 p_mi = malloc( sizeof(libvlc_media_player_t) );
278 libvlc_exception_raise( p_e, "Not enough memory" );
282 p_mi->drawable.agl = 0;
283 p_mi->drawable.xid = 0;
284 p_mi->drawable.hwnd = NULL;
285 p_mi->p_libvlc_instance = p_libvlc_instance;
286 p_mi->p_input_thread = NULL;
287 p_mi->i_refcount = 1;
288 vlc_mutex_init( &p_mi->object_lock );
289 p_mi->p_event_manager = libvlc_event_manager_new( p_mi,
290 p_libvlc_instance, p_e );
291 if( libvlc_exception_raised( p_e ) )
293 vlc_mutex_destroy( &p_mi->object_lock );
298 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
299 libvlc_MediaPlayerNothingSpecial, p_e );
300 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
301 libvlc_MediaPlayerOpening, p_e );
302 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
303 libvlc_MediaPlayerBuffering, p_e );
304 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
305 libvlc_MediaPlayerPlaying, p_e );
306 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
307 libvlc_MediaPlayerPaused, p_e );
308 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
309 libvlc_MediaPlayerStopped, p_e );
310 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
311 libvlc_MediaPlayerForward, p_e );
312 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
313 libvlc_MediaPlayerBackward, p_e );
314 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
315 libvlc_MediaPlayerEndReached, p_e );
316 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
317 libvlc_MediaPlayerEncounteredError, p_e );
319 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
320 libvlc_MediaPlayerPositionChanged, p_e );
321 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
322 libvlc_MediaPlayerTimeChanged, p_e );
323 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
324 libvlc_MediaPlayerLengthChanged, p_e );
325 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
326 libvlc_MediaPlayerTitleChanged, p_e );
327 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
328 libvlc_MediaPlayerSeekableChanged, p_e );
329 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
330 libvlc_MediaPlayerPausableChanged, p_e );
332 /* Snapshot initialization */
333 libvlc_event_manager_register_event_type( p_mi->p_event_manager,
334 libvlc_MediaPlayerSnapshotTaken, p_e );
336 /* Attach a var callback to the global object to provide the glue between
337 vout_thread that generates the event and media_player that re-emits it
338 with its own event manager
340 var_Create( p_libvlc_instance->p_libvlc_int, "vout-snapshottaken",
341 VLC_VAR_STRING | VLC_VAR_ISCOMMAND );
342 var_AddCallback( p_libvlc_instance->p_libvlc_int, "vout-snapshottaken",
343 SnapshotTakenCallback, p_mi );
348 /**************************************************************************
349 * Create a Media Instance object with a media descriptor.
350 **************************************************************************/
351 libvlc_media_player_t *
352 libvlc_media_player_new_from_media(
353 libvlc_media_t * p_md,
354 libvlc_exception_t *p_e )
356 libvlc_media_player_t * p_mi;
358 p_mi = libvlc_media_player_new( p_md->p_libvlc_instance, p_e );
362 libvlc_media_retain( p_md );
368 /**************************************************************************
369 * Destroy a Media Instance object (libvlc internal)
371 * Warning: No lock held here, but hey, this is internal. Caller must lock.
372 **************************************************************************/
373 static void libvlc_media_player_destroy( libvlc_media_player_t *p_mi )
375 input_thread_t *p_input_thread;
376 libvlc_exception_t p_e;
380 /* Detach Callback from the main libvlc object */
381 var_DelCallback( p_mi->p_libvlc_instance->p_libvlc_int,
382 "vout-snapshottaken", SnapshotTakenCallback, p_mi );
384 libvlc_exception_init( &p_e );
385 p_input_thread = libvlc_get_input_thread( p_mi, &p_e );
387 if( libvlc_exception_raised( &p_e ) )
388 /* no need to worry about no input thread */
389 libvlc_exception_clear( &p_e );
391 release_input_thread( p_mi, true );
393 libvlc_event_manager_release( p_mi->p_event_manager );
394 libvlc_media_release( p_mi->p_md );
395 vlc_mutex_destroy( &p_mi->object_lock );
399 /**************************************************************************
400 * Release a Media Instance object.
402 * Function does the locking.
403 **************************************************************************/
404 void libvlc_media_player_release( libvlc_media_player_t *p_mi )
409 vlc_mutex_lock( &p_mi->object_lock );
410 destroy = !--p_mi->i_refcount;
411 vlc_mutex_unlock( &p_mi->object_lock );
414 libvlc_media_player_destroy( p_mi );
417 /**************************************************************************
418 * Retain a Media Instance object.
420 * Caller must hold the lock.
421 **************************************************************************/
422 void libvlc_media_player_retain( libvlc_media_player_t *p_mi )
426 vlc_mutex_lock( &p_mi->object_lock );
428 vlc_mutex_unlock( &p_mi->object_lock );
431 /**************************************************************************
432 * Set the Media descriptor associated with the instance.
434 * Enter without lock -- function will lock the object.
435 **************************************************************************/
436 void libvlc_media_player_set_media(
437 libvlc_media_player_t *p_mi,
438 libvlc_media_t *p_md,
439 libvlc_exception_t *p_e )
446 vlc_mutex_lock( &p_mi->object_lock );
448 /* FIXME I am not sure if it is a user request or on die(eof/error)
450 release_input_thread( p_mi,
451 p_mi->p_input_thread &&
452 !p_mi->p_input_thread->b_eof &&
453 !p_mi->p_input_thread->b_error );
456 libvlc_media_set_state( p_mi->p_md, libvlc_NothingSpecial, p_e );
458 libvlc_media_release( p_mi->p_md );
463 vlc_mutex_unlock( &p_mi->object_lock );
464 return; /* It is ok to pass a NULL md */
467 libvlc_media_retain( p_md );
470 /* The policy here is to ignore that we were created using a different
471 * libvlc_instance, because we don't really care */
472 p_mi->p_libvlc_instance = p_md->p_libvlc_instance;
474 vlc_mutex_unlock( &p_mi->object_lock );
477 /**************************************************************************
478 * Get the Media descriptor associated with the instance.
479 **************************************************************************/
481 libvlc_media_player_get_media(
482 libvlc_media_player_t *p_mi,
483 libvlc_exception_t *p_e )
490 libvlc_media_retain( p_mi->p_md );
494 /**************************************************************************
495 * Get the event Manager.
496 **************************************************************************/
497 libvlc_event_manager_t *
498 libvlc_media_player_event_manager(
499 libvlc_media_player_t *p_mi,
500 libvlc_exception_t *p_e )
504 return p_mi->p_event_manager;
507 /**************************************************************************
508 * Trigger a snapshot Taken Event.
509 *************************************************************************/
510 static int SnapshotTakenCallback( vlc_object_t *p_this, char const *psz_cmd,
511 vlc_value_t oldval, vlc_value_t newval, void *p_data )
513 VLC_UNUSED(psz_cmd); VLC_UNUSED(oldval);
516 libvlc_media_player_t* p_mi = (libvlc_media_player_t*) p_data ;
517 libvlc_event_t event ;
518 event.type = libvlc_MediaPlayerSnapshotTaken ;
519 event.u.media_player_snapshot_taken.psz_filename = newval.psz_string ;
520 /* Snapshot psz data is a vlc_variable owned by libvlc object .
521 Its memmory management is taken care by the obj*/
522 msg_Dbg( p_this, "about to emit libvlc_snapshot_taken.make psz_str=0x%p"
523 " (%s)", event.u.media_player_snapshot_taken.psz_filename,
524 event.u.media_player_snapshot_taken.psz_filename );
525 libvlc_event_send( p_mi->p_event_manager, &event );
530 /**************************************************************************
531 * Tell media player to start playing.
532 **************************************************************************/
533 void libvlc_media_player_play( libvlc_media_player_t *p_mi,
534 libvlc_exception_t *p_e )
536 input_thread_t * p_input_thread;
538 if( (p_input_thread = libvlc_get_input_thread( p_mi, p_e )) )
540 /* A thread already exists, send it a play message */
541 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
542 vlc_object_release( p_input_thread );
546 /* Ignore previous exception */
547 libvlc_exception_clear( p_e );
549 vlc_mutex_lock( &p_mi->object_lock );
553 libvlc_exception_raise( p_e, "no associated media descriptor" );
554 vlc_mutex_unlock( &p_mi->object_lock );
558 p_mi->p_input_thread = input_Create( p_mi->p_libvlc_instance->p_libvlc_int,
559 p_mi->p_md->p_input_item, NULL, NULL );
561 if( !p_mi->p_input_thread )
563 vlc_mutex_unlock( &p_mi->object_lock );
567 p_input_thread = p_mi->p_input_thread;
569 var_Create( p_input_thread, "drawable-agl", VLC_VAR_INTEGER );
570 if( p_mi->drawable.agl )
571 var_SetInteger( p_input_thread, "drawable-agl", p_mi->drawable.agl );
573 var_Create( p_input_thread, "drawable-xid", VLC_VAR_INTEGER );
574 if( p_mi->drawable.xid )
575 var_SetInteger( p_input_thread, "drawable-xid", p_mi->drawable.xid );
577 var_Create( p_input_thread, "drawable-hwnd", VLC_VAR_ADDRESS );
578 if( p_mi->drawable.hwnd != NULL )
580 vlc_value_t val = { .p_address = p_mi->drawable.hwnd };
581 var_Set( p_input_thread, "drawable-hwnd", val );
584 var_Create( p_input_thread, "drawable-nsobject", VLC_VAR_ADDRESS );
585 if( p_mi->drawable.nsobject != NULL )
587 vlc_value_t val = { .p_address = p_mi->drawable.nsobject };
588 var_Set( p_input_thread, "drawable-nsobject", val );
591 var_AddCallback( p_input_thread, "can-seek", input_seekable_changed, p_mi );
592 var_AddCallback( p_input_thread, "can-pause", input_pausable_changed, p_mi );
593 var_AddCallback( p_input_thread, "intf-event", input_event_changed, p_mi );
595 if( input_Start( p_input_thread ) )
597 vlc_object_release( p_input_thread );
598 p_mi->p_input_thread = NULL;
601 vlc_mutex_unlock( &p_mi->object_lock );
604 /**************************************************************************
606 **************************************************************************/
607 void libvlc_media_player_pause( libvlc_media_player_t *p_mi,
608 libvlc_exception_t *p_e )
610 input_thread_t * p_input_thread = libvlc_get_input_thread( p_mi, p_e );
611 if( !p_input_thread )
614 libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e );
615 if( state == libvlc_Playing || state == libvlc_Buffering )
617 if( libvlc_media_player_can_pause( p_mi, p_e ) )
618 input_Control( p_input_thread, INPUT_SET_STATE, PAUSE_S );
620 libvlc_media_player_stop( p_mi, p_e );
623 input_Control( p_input_thread, INPUT_SET_STATE, PLAYING_S );
625 vlc_object_release( p_input_thread );
628 /**************************************************************************
629 * Tells whether the media player is currently playing.
631 * Enter with lock held.
632 **************************************************************************/
633 int libvlc_media_player_is_playing( libvlc_media_player_t *p_mi,
634 libvlc_exception_t *p_e )
636 libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e );
637 return (libvlc_Playing == state) || (libvlc_Buffering == state);
640 /**************************************************************************
642 **************************************************************************/
643 void libvlc_media_player_stop( libvlc_media_player_t *p_mi,
644 libvlc_exception_t *p_e )
646 libvlc_state_t state = libvlc_media_player_get_state( p_mi, p_e );
648 if( state == libvlc_Playing ||
649 state == libvlc_Paused ||
650 state == libvlc_Buffering )
652 /* Send a stop notification event only if we are in playing,
653 * buffering or paused states */
654 libvlc_media_set_state( p_mi->p_md, libvlc_Ended, p_e );
656 /* Construct and send the event */
657 libvlc_event_t event;
658 event.type = libvlc_MediaPlayerStopped;
659 libvlc_event_send( p_mi->p_event_manager, &event );
662 vlc_mutex_lock( &p_mi->object_lock );
663 release_input_thread( p_mi, true ); /* This will stop the input thread */
664 vlc_mutex_unlock( &p_mi->object_lock );
667 /**************************************************************************
669 **************************************************************************/
670 void libvlc_media_player_set_nsobject( libvlc_media_player_t *p_mi,
672 libvlc_exception_t *p_e )
675 p_mi->drawable.nsobject = drawable;
678 /**************************************************************************
680 **************************************************************************/
681 uint32_t libvlc_media_player_get_nsobject( libvlc_media_player_t *p_mi )
683 return p_mi->drawable.nsobject;
686 /**************************************************************************
688 **************************************************************************/
689 void libvlc_media_player_set_agl( libvlc_media_player_t *p_mi,
691 libvlc_exception_t *p_e )
694 p_mi->drawable.agl = drawable;
697 /**************************************************************************
699 **************************************************************************/
700 uint32_t libvlc_media_player_get_agl( libvlc_media_player_t *p_mi )
702 return p_mi->drawable.agl;
705 /**************************************************************************
707 **************************************************************************/
708 void libvlc_media_player_set_xwindow( libvlc_media_player_t *p_mi,
710 libvlc_exception_t *p_e )
713 p_mi->drawable.xid = drawable;
716 /**************************************************************************
718 **************************************************************************/
719 uint32_t libvlc_media_player_get_xwindow( libvlc_media_player_t *p_mi )
721 return p_mi->drawable.xid;
724 /**************************************************************************
726 **************************************************************************/
727 void libvlc_media_player_set_hwnd( libvlc_media_player_t *p_mi,
729 libvlc_exception_t *p_e )
732 p_mi->drawable.hwnd = drawable;
735 /**************************************************************************
737 **************************************************************************/
738 void *libvlc_media_player_get_hwnd( libvlc_media_player_t *p_mi )
740 return p_mi->drawable.hwnd;
743 /**************************************************************************
745 **************************************************************************/
746 void libvlc_media_player_set_drawable( libvlc_media_player_t *p_mi,
747 libvlc_drawable_t drawable,
748 libvlc_exception_t *p_e )
751 if (sizeof (HWND) <= sizeof (libvlc_drawable_t))
752 p_mi->drawable.hwnd = (HWND)drawable;
754 libvlc_exception_raise(p_e, "Operation not supported");
755 #elif defined(__APPLE__)
756 p_mi->drawable.agl = drawable;
759 p_mi->drawable.xid = drawable;
764 /**************************************************************************
766 **************************************************************************/
768 libvlc_media_player_get_drawable ( libvlc_media_player_t *p_mi,
769 libvlc_exception_t *p_e )
774 if (sizeof (HWND) <= sizeof (libvlc_drawable_t))
775 return (libvlc_drawable_t)p_mi->drawable.hwnd;
778 #elif defined(__APPLE__)
779 return p_mi->drawable.agl;
781 return p_mi->drawable.xid;
785 /**************************************************************************
786 * Getters for stream information
787 **************************************************************************/
788 libvlc_time_t libvlc_media_player_get_length(
789 libvlc_media_player_t *p_mi,
790 libvlc_exception_t *p_e )
792 input_thread_t *p_input_thread;
795 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
796 if( !p_input_thread )
799 var_Get( p_input_thread, "length", &val );
800 vlc_object_release( p_input_thread );
802 return (val.i_time+500LL)/1000LL;
805 libvlc_time_t libvlc_media_player_get_time(
806 libvlc_media_player_t *p_mi,
807 libvlc_exception_t *p_e )
809 input_thread_t *p_input_thread;
812 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
813 if( !p_input_thread )
816 var_Get( p_input_thread , "time", &val );
817 vlc_object_release( p_input_thread );
818 return (val.i_time+500LL)/1000LL;
821 void libvlc_media_player_set_time(
822 libvlc_media_player_t *p_mi,
824 libvlc_exception_t *p_e )
826 input_thread_t *p_input_thread;
828 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
829 if( !p_input_thread )
832 var_SetTime( p_input_thread, "time", time*1000LL );
833 vlc_object_release( p_input_thread );
836 void libvlc_media_player_set_position(
837 libvlc_media_player_t *p_mi,
839 libvlc_exception_t *p_e )
841 input_thread_t *p_input_thread;
843 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
844 if( !p_input_thread )
847 var_SetFloat( p_input_thread, "position", position );
848 vlc_object_release( p_input_thread );
851 float libvlc_media_player_get_position(
852 libvlc_media_player_t *p_mi,
853 libvlc_exception_t *p_e )
855 input_thread_t *p_input_thread;
858 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
859 if( !p_input_thread )
862 var_Get( p_input_thread, "position", &val );
863 vlc_object_release( p_input_thread );
868 void libvlc_media_player_set_chapter(
869 libvlc_media_player_t *p_mi,
871 libvlc_exception_t *p_e )
873 input_thread_t *p_input_thread;
875 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
876 if( !p_input_thread )
879 var_SetInteger( p_input_thread, "chapter", chapter );
880 vlc_object_release( p_input_thread );
883 int libvlc_media_player_get_chapter(
884 libvlc_media_player_t *p_mi,
885 libvlc_exception_t *p_e )
887 input_thread_t *p_input_thread;
890 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
891 if( !p_input_thread )
894 var_Get( p_input_thread, "chapter", &val );
895 vlc_object_release( p_input_thread );
900 int libvlc_media_player_get_chapter_count(
901 libvlc_media_player_t *p_mi,
902 libvlc_exception_t *p_e )
904 input_thread_t *p_input_thread;
907 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
908 if( !p_input_thread )
911 var_Change( p_input_thread, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
912 vlc_object_release( p_input_thread );
917 int libvlc_media_player_get_chapter_count_for_title(
918 libvlc_media_player_t *p_mi,
920 libvlc_exception_t *p_e )
922 input_thread_t *p_input_thread;
925 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
926 if( !p_input_thread )
930 if( asprintf( &psz_name, "title %2i", i_title ) == -1 )
932 vlc_object_release( p_input_thread );
935 var_Change( p_input_thread, psz_name, VLC_VAR_CHOICESCOUNT, &val, NULL );
936 vlc_object_release( p_input_thread );
942 void libvlc_media_player_set_title(
943 libvlc_media_player_t *p_mi,
945 libvlc_exception_t *p_e )
947 input_thread_t *p_input_thread;
949 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
950 if( !p_input_thread )
953 var_SetInteger( p_input_thread, "title", i_title );
954 vlc_object_release( p_input_thread );
957 libvlc_event_t event;
958 event.type = libvlc_MediaPlayerTitleChanged;
959 event.u.media_player_title_changed.new_title = i_title;
960 libvlc_event_send( p_mi->p_event_manager, &event );
963 int libvlc_media_player_get_title(
964 libvlc_media_player_t *p_mi,
965 libvlc_exception_t *p_e )
967 input_thread_t *p_input_thread;
970 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
971 if( !p_input_thread )
974 var_Get( p_input_thread, "title", &val );
975 vlc_object_release( p_input_thread );
980 int libvlc_media_player_get_title_count(
981 libvlc_media_player_t *p_mi,
982 libvlc_exception_t *p_e )
984 input_thread_t *p_input_thread;
987 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
988 if( !p_input_thread )
991 var_Change( p_input_thread, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
992 vlc_object_release( p_input_thread );
997 void libvlc_media_player_next_chapter(
998 libvlc_media_player_t *p_mi,
999 libvlc_exception_t *p_e )
1001 input_thread_t *p_input_thread;
1003 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
1004 if( !p_input_thread )
1007 int i_type = var_Type( p_input_thread, "next-chapter" );
1008 var_SetBool( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1009 "next-chapter":"next-title", true );
1011 vlc_object_release( p_input_thread );
1014 void libvlc_media_player_previous_chapter(
1015 libvlc_media_player_t *p_mi,
1016 libvlc_exception_t *p_e )
1018 input_thread_t *p_input_thread;
1020 p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
1021 if( !p_input_thread )
1024 int i_type = var_Type( p_input_thread, "next-chapter" );
1025 var_SetBool( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
1026 "prev-chapter":"prev-title", true );
1028 vlc_object_release( p_input_thread );
1031 float libvlc_media_player_get_fps(
1032 libvlc_media_player_t *p_mi,
1033 libvlc_exception_t *p_e)
1035 input_thread_t *p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1038 if( p_input_thread )
1040 if( input_Control( p_input_thread, INPUT_GET_VIDEO_FPS, &f_fps ) )
1042 vlc_object_release( p_input_thread );
1047 int libvlc_media_player_will_play( libvlc_media_player_t *p_mi,
1048 libvlc_exception_t *p_e)
1050 input_thread_t *p_input_thread =
1051 libvlc_get_input_thread ( p_mi, p_e);
1052 if ( !p_input_thread )
1055 if ( !p_input_thread->b_die && !p_input_thread->b_dead )
1057 vlc_object_release( p_input_thread );
1060 vlc_object_release( p_input_thread );
1064 void libvlc_media_player_set_rate(
1065 libvlc_media_player_t *p_mi,
1067 libvlc_exception_t *p_e )
1069 input_thread_t *p_input_thread;
1072 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1073 if( !p_input_thread )
1076 b_can_rewind = var_GetBool( p_input_thread, "can-rewind" );
1077 if( (rate < 0.0) && !b_can_rewind )
1079 vlc_object_release( p_input_thread );
1080 libvlc_exception_raise( p_e, "Rate value is invalid" );
1084 var_SetInteger( p_input_thread, "rate", 1000.0f/rate );
1085 vlc_object_release( p_input_thread );
1088 float libvlc_media_player_get_rate(
1089 libvlc_media_player_t *p_mi,
1090 libvlc_exception_t *p_e )
1092 input_thread_t *p_input_thread;
1096 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1097 if( !p_input_thread )
1098 return 0.0; /* rate < 0 indicates rewind */
1100 var_Get( p_input_thread, "rate", &val );
1101 b_can_rewind = var_GetBool( p_input_thread, "can-rewind" );
1102 if( (val.i_int < 0) && !b_can_rewind )
1104 libvlc_exception_raise( p_e, "invalid rate" );
1107 vlc_object_release( p_input_thread );
1109 return (float)1000.0f/val.i_int;
1112 libvlc_state_t libvlc_media_player_get_state(
1113 libvlc_media_player_t *p_mi,
1114 libvlc_exception_t *p_e )
1116 input_thread_t *p_input_thread;
1117 libvlc_state_t state = libvlc_Ended;
1120 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1121 if( !p_input_thread )
1123 /* We do return the right value, no need to throw an exception */
1124 if( libvlc_exception_raised( p_e ) )
1125 libvlc_exception_clear( p_e );
1129 var_Get( p_input_thread, "state", &val );
1130 state = vlc_to_libvlc_state(val.i_int);
1132 if( state == libvlc_Playing )
1135 caching = var_GetFloat( p_input_thread, "cache" );
1136 if( caching > 0.0 && caching < 1.0 )
1137 state = libvlc_Buffering;
1139 vlc_object_release( p_input_thread );
1143 int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi,
1144 libvlc_exception_t *p_e )
1146 input_thread_t *p_input_thread;
1149 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1150 if ( !p_input_thread )
1152 /* We do return the right value, no need to throw an exception */
1153 if( libvlc_exception_raised( p_e ) )
1154 libvlc_exception_clear( p_e );
1157 var_Get( p_input_thread, "can-seek", &val );
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,
1167 libvlc_exception_t *p_e )
1169 input_thread_t *p_input = libvlc_get_input_thread( p_mi, p_e );
1174 vlc_value_t val_list, text_list;
1175 var_Change( p_input, psz_variable, VLC_VAR_GETLIST, &val_list, &text_list);
1177 if( val_list.p_list->i_count <= 0 ) /* no tracks */
1179 var_FreeList( &val_list, &text_list);
1183 libvlc_track_description_t *p_track_description, *p_actual, *p_previous;
1184 p_track_description = ( libvlc_track_description_t * )
1185 malloc( sizeof( libvlc_track_description_t ) );
1186 if ( !p_track_description )
1188 var_FreeList( &val_list, &text_list);
1189 vlc_object_release( p_input );
1190 libvlc_exception_raise( p_e, "no enough memory" );
1193 p_actual = p_track_description;
1195 for( int i = 0; i < val_list.p_list->i_count; i++ )
1199 p_actual = ( libvlc_track_description_t * )
1200 malloc( sizeof( libvlc_track_description_t ) );
1203 libvlc_track_description_release( p_track_description );
1204 var_FreeList( &val_list, &text_list);
1205 vlc_object_release( p_input );
1206 libvlc_exception_raise( p_e, "no enough memory" );
1210 p_actual->i_id = val_list.p_list->p_values[i].i_int;
1211 p_actual->psz_name = strdup( text_list.p_list->p_values[i].psz_string );
1212 p_actual->p_next = NULL;
1214 p_previous->p_next = p_actual;
1215 p_previous = p_actual;
1218 var_FreeList( &val_list, &text_list);
1219 vlc_object_release( p_input );
1221 return p_track_description;
1224 void libvlc_track_description_release( libvlc_track_description_t *p_td )
1226 libvlc_track_description_t *p_actual, *p_before;
1231 free( p_actual->psz_name );
1232 p_before = p_actual;
1233 p_actual = p_before->p_next;
1238 int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi,
1239 libvlc_exception_t *p_e )
1241 input_thread_t *p_input_thread;
1244 p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
1245 if ( !p_input_thread )
1247 /* We do return the right value, no need to throw an exception */
1248 if( libvlc_exception_raised( p_e ) )
1249 libvlc_exception_clear( p_e );
1252 var_Get( p_input_thread, "can-pause", &val );
1253 vlc_object_release( p_input_thread );