1 /*****************************************************************************
2 * input_manager.cpp : Manage an input and interact with its GUI elements
3 ****************************************************************************
4 * Copyright (C) 2006-2008 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.org>
8 * Ilkka Ollakka <ileoo@videolan.org>
9 * Jean-Baptiste <jb@videolan.org>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
30 #include "input_manager.hpp"
31 #include "dialogs_provider.hpp"
33 static int ChangeVideo( vlc_object_t *p_this, const char *var, vlc_value_t o,
34 vlc_value_t n, void *param );
35 static int ChangeAudio( vlc_object_t *p_this, const char *var, vlc_value_t o,
36 vlc_value_t n, void *param );
37 static int ItemChanged( vlc_object_t *, const char *,
38 vlc_value_t, vlc_value_t, void * );
39 static int PLItemChanged( vlc_object_t *, const char *,
40 vlc_value_t, vlc_value_t, void * );
41 static int InterfaceChanged( vlc_object_t *, const char *,
42 vlc_value_t, vlc_value_t, void * );
43 static int ItemStateChanged( vlc_object_t *, const char *,
44 vlc_value_t, vlc_value_t, void * );
45 static int ItemRateChanged( vlc_object_t *, const char *,
46 vlc_value_t, vlc_value_t, void * );
47 static int ItemTitleChanged( vlc_object_t *, const char *,
48 vlc_value_t, vlc_value_t, void * );
49 static int VolumeChanged( vlc_object_t *, const char *,
50 vlc_value_t, vlc_value_t, void * );
52 /**********************************************************************
53 * InputManager implementation
54 **********************************************************************
55 * The Input Manager can be the main one around the playlist
56 * But can also be used for VLM dialog or similar
57 **********************************************************************/
59 InputManager::InputManager( QObject *parent, intf_thread_t *_p_intf) :
60 QObject( parent ), p_intf( _p_intf )
62 i_old_playing_status = END_S;
63 b_had_audio = b_had_video = b_has_audio = b_has_video = false;
72 InputManager::~InputManager()
77 /* Define the Input used.
78 Add the callbacks on input
79 p_input is yield once here */
80 void InputManager::setInput( input_thread_t *_p_input )
84 b_had_audio = b_had_video = b_has_audio = b_has_video = false;
85 if( p_input && !( p_input->b_dead || p_input->b_die ) )
87 vlc_object_yield( p_input );
88 emit statusChanged( PLAYING_S );
94 i_input_id = input_GetItem( p_input )->i_id;
100 emit rateChanged( INPUT_RATE_DEFAULT );
105 /* delete Input if it ever existed.
106 Delete the callbacls on input
107 p_input is released once here */
108 void InputManager::delInput()
113 i_old_playing_status = END_S;
117 emit positionUpdated( 0.0, 0 ,0 );
118 emit statusChanged( END_S );
119 emit nameChanged( "" );
120 emit artChanged( "" );
121 emit rateChanged( INPUT_RATE_DEFAULT );
122 vlc_object_release( p_input );
127 /* Add the callbacks on Input. Self explanatory */
128 void InputManager::addCallbacks()
130 /* We don't care about:
137 - position, time, length, because they are included in intf-change
139 /* src/input/input.c:1629 */
140 var_AddCallback( p_input, "state", ItemStateChanged, this );
141 /* src/input/es-out.c:550 */
142 var_AddCallback( p_input, "audio-es", ChangeAudio, this );
143 /* src/input/es-out.c:551 */
144 var_AddCallback( p_input, "video-es", ChangeVideo, this );
145 /* src/input/input.c:1765 */
146 var_AddCallback( p_input, "rate-change", ItemRateChanged, this );
147 /* src/input/input.c:2003 */
148 var_AddCallback( p_input, "title", ItemTitleChanged, this );
149 /* src/input/input.c:734 for timers update*/
150 var_AddCallback( p_input, "intf-change", InterfaceChanged, this );
153 /* Delete the callbacks on Input. Self explanatory */
154 void InputManager::delCallbacks()
156 var_DelCallback( p_input, "audio-es", ChangeAudio, this );
157 var_DelCallback( p_input, "video-es", ChangeVideo, this );
158 var_DelCallback( p_input, "state", ItemStateChanged, this );
159 var_DelCallback( p_input, "rate-change", ItemRateChanged, this );
160 var_DelCallback( p_input, "title", ItemTitleChanged, this );
161 var_DelCallback( p_input, "intf-change", InterfaceChanged, this );
164 /* Convert the event from the callbacks in actions */
165 void InputManager::customEvent( QEvent *event )
167 int type = event->type();
168 IMEvent *ple = static_cast<IMEvent *>(event);
170 if ( type != PositionUpdate_Type &&
171 type != ItemChanged_Type &&
172 type != ItemRateChanged_Type &&
173 type != ItemTitleChanged_Type &&
174 type != ItemStateChanged_Type )
177 if( !hasInput() ) return;
179 if( ( type != PositionUpdate_Type &&
180 type != ItemRateChanged_Type &&
181 type != ItemStateChanged_Type
183 && ( i_input_id != ple->i_id ) )
186 if( type != PositionUpdate_Type )
187 msg_Dbg( p_intf, "New Event: type %i", type );
192 case PositionUpdate_Type:
195 case ItemChanged_Type:
202 case ItemRateChanged_Type:
205 case ItemTitleChanged_Type:
209 case ItemStateChanged_Type:
216 void InputManager::UpdatePosition()
218 /* Update position */
219 int i_length, i_time; /* Int is enough, since we store seconds */
221 i_length = var_GetTime( p_input , "length" ) / 1000000;
222 i_time = var_GetTime( p_input , "time") / 1000000;
223 f_pos = var_GetFloat( p_input , "position" );
224 emit positionUpdated( f_pos, i_time, i_length );
227 void InputManager::UpdateNavigation()
229 /* Update navigation status */
230 vlc_value_t val; val.i_int = 0;
231 var_Change( p_input, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
235 var_Change( p_input, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
236 emit navigationChanged( (val.i_int > 0) ? 1 : 2 );
240 emit navigationChanged( 0 );
244 void InputManager::UpdateStatus()
246 /* Update playing status */
247 vlc_value_t val; val.i_int = 0;
248 var_Get( p_input, "state", &val );
249 if( i_old_playing_status != val.i_int )
251 i_old_playing_status = val.i_int;
252 emit statusChanged( val.i_int );
256 void InputManager::UpdateRate()
259 int i_new_rate = var_GetInteger( p_input, "rate");
260 if( i_new_rate != i_rate )
264 emit rateChanged( i_rate );
268 void InputManager::UpdateMeta()
270 /* Update text, name and nowplaying */
273 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
274 if( EMPTY_STR( psz_name ) )
277 psz_name = input_item_GetName( input_GetItem( p_input ) );
280 char *psz_nowplaying =
281 input_item_GetNowPlaying( input_GetItem( p_input ) );
282 if( !EMPTY_STR( psz_nowplaying ) )
284 text.sprintf( "%s - %s", psz_nowplaying, psz_name );
288 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
289 if( !EMPTY_STR( psz_artist ) )
291 text.sprintf( "%s - %s", psz_artist, psz_name );
295 text.sprintf( "%s", psz_name );
300 free( psz_nowplaying );
302 if( old_name != text )
304 emit nameChanged( text );
309 void InputManager::UpdateTracks()
311 /* Has Audio, has Video Tracks ? */
313 var_Change( p_input, "audio-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
314 b_has_audio = val.i_int > 0;
315 var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
316 b_has_video = val.i_int > 0;
317 var_Change( p_input, "spu-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
318 b_has_subs = val.i_int > 0;
320 /* Update ZVBI status */
322 /* Update teletext status*/
324 emit teletextEnabled( false );/* FIXME */
328 void InputManager::UpdateArt()
330 /* Update Art meta */
332 char *psz_art = input_item_GetArtURL( input_GetItem( p_input ) );
333 url.sprintf("%s", psz_art );
337 artUrl = url.replace( "file://",QString("" ) );
338 /* Taglib seems to define a attachment://, It won't work yet */
339 artUrl = url.replace( "attachment://",QString("" ) );
340 emit artChanged( artUrl );
341 msg_Dbg( p_intf, "Art: %s", qtu( artUrl ) );
345 /* User update of the slider */
346 void InputManager::sliderUpdate( float new_pos )
349 var_SetFloat( p_input, "position", new_pos );
352 /* User togglePlayPause */
353 void InputManager::togglePlayPause()
356 var_Get( p_input, "state", &state );
357 state.i_int = ( state.i_int != PLAYING_S ) ? PLAYING_S : PAUSE_S;
358 var_Set( p_input, "state", state );
359 emit statusChanged( state.i_int );
362 void InputManager::sectionPrev()
366 int i_type = var_Type( p_input, "next-chapter" );
367 vlc_value_t val; val.b_bool = true;
368 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
369 "prev-chapter":"prev-title", val );
373 void InputManager::sectionNext()
377 int i_type = var_Type( p_input, "next-chapter" );
378 vlc_value_t val; val.b_bool = true;
379 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
380 "next-chapter":"next-title", val );
384 void InputManager::sectionMenu()
388 vlc_value_t val; val.i_int = 2;
389 var_Set( p_input, "title 0", val );
394 void InputManager::telexGotoPage( int page )
399 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
400 "zvbi", FIND_ANYWHERE );
403 var_SetInteger( p_vbi, "vbi-page", page );
404 vlc_object_release( p_vbi );
409 void InputManager::telexToggle( bool b_enabled )
411 int i_page = b_enabled ? 100 : 0 ;
413 telexGotoPage( i_page );
416 void InputManager::telexSetTransparency( bool b_transp )
421 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
422 "zvbi", FIND_ANYWHERE );
425 var_SetBool( p_input->p_libvlc, "vbi-opaque", b_transp );
426 vlc_object_release( p_vbi );
432 void InputManager::slower()
435 var_SetVoid( p_input, "rate-slower" );
438 void InputManager::faster()
441 var_SetVoid( p_input, "rate-faster" );
444 void InputManager::normalRate()
447 var_SetInteger( p_input, "rate", INPUT_RATE_DEFAULT );
450 void InputManager::setRate( int new_rate )
453 var_SetInteger( p_input, "rate", new_rate );
456 /**********************************************************************
457 * MainInputManager implementation. Wrap an input manager and
458 * take care of updating the main playlist input.
459 * Used in the main playlist Dialog
460 **********************************************************************/
461 MainInputManager * MainInputManager::instance = NULL;
463 MainInputManager::MainInputManager( intf_thread_t *_p_intf )
464 : QObject(NULL), p_intf( _p_intf )
467 im = new InputManager( this, p_intf );
469 // var_AddCallback( THEPL, "item-change", PLItemChanged, this );
470 var_AddCallback( THEPL, "item-change", ItemChanged, im );
471 var_AddCallback( THEPL, "playlist-current", PLItemChanged, this );
472 var_AddCallback( THEPL, "activity", PLItemChanged, this );
474 var_AddCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
476 // No necessary, I think TODO REMOVE ME at the end
477 //var_AddCallback( THEPL, "intf-change", ItemChanged, im );
479 /* Warn our embedded IM about input changes */
480 CONNECT( this, inputChanged( input_thread_t * ),
481 im, setInput( input_thread_t * ) );
484 MainInputManager::~MainInputManager()
488 var_DelCallback( p_input, "state", PLItemChanged, this );
489 vlc_object_release( p_input );
490 emit inputChanged( NULL );
493 var_DelCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
495 var_DelCallback( THEPL, "activity", PLItemChanged, this );
496 var_DelCallback( THEPL, "item-change", ItemChanged, im );
497 // var_DelCallback( THEPL, "item-change", PLItemChanged, this );
499 var_DelCallback( THEPL, "playlist-current", PLItemChanged, this );
502 void MainInputManager::customEvent( QEvent *event )
504 int type = event->type();
505 if ( type != ItemChanged_Type && type != VolumeChanged_Type )
508 // msg_Dbg( p_intf, "New MainIM Event of type: %i", type );
509 if( type == VolumeChanged_Type )
511 emit volumeChanged();
515 /* Should be PLItemChanged Event */
516 if( VLC_OBJECT_INTF == p_intf->i_object_type ) /* FIXME: don't use object type */
518 vlc_mutex_lock( &p_intf->change_lock );
519 if( p_input && ( p_input->b_dead || p_input->b_die ) )
521 var_DelCallback( p_input, "state", PLItemChanged, this );
522 vlc_object_release( p_input );
523 emit inputChanged( NULL );
525 vlc_mutex_unlock( &p_intf->change_lock );
532 p_input = THEPL->p_input;
533 if( p_input && !( p_input->b_die || p_input->b_dead) )
535 vlc_object_yield( p_input );
536 var_AddCallback( p_input, "state", PLItemChanged, this );
537 emit inputChanged( p_input );
543 vlc_mutex_unlock( &p_intf->change_lock );
547 /* we are working as a dialogs provider */
548 playlist_t *p_playlist = (playlist_t *) vlc_object_find( p_intf,
549 VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
552 p_input = p_playlist->p_input;
553 emit inputChanged( p_input );
558 /* Playlist Control functions */
559 void MainInputManager::stop()
561 playlist_Stop( THEPL );
564 void MainInputManager::next()
566 playlist_Next( THEPL );
569 void MainInputManager::prev()
571 playlist_Prev( THEPL );
574 void MainInputManager::togglePlayPause()
576 if( p_input == NULL )
578 playlist_Play( THEPL );
581 getIM()->togglePlayPause();
584 /* Static callbacks */
587 static int InterfaceChanged( vlc_object_t *p_this, const char *psz_var,
588 vlc_value_t oldval, vlc_value_t newval, void *param )
590 static int counter = 0;
591 InputManager *im = (InputManager*)param;
593 counter = ++counter % 4;
596 IMEvent *event = new IMEvent( PositionUpdate_Type, 0 );
597 QApplication::postEvent( im, static_cast<QEvent*>(event) );
601 static int ItemStateChanged( vlc_object_t *p_this, const char *psz_var,
602 vlc_value_t oldval, vlc_value_t newval, void *param )
604 InputManager *im = (InputManager*)param;
606 IMEvent *event = new IMEvent( ItemStateChanged_Type, 0 );
607 QApplication::postEvent( im, static_cast<QEvent*>(event) );
611 static int ItemRateChanged( vlc_object_t *p_this, const char *psz_var,
612 vlc_value_t oldval, vlc_value_t newval, void *param )
614 InputManager *im = (InputManager*)param;
616 IMEvent *event = new IMEvent( ItemRateChanged_Type, 0 );
617 QApplication::postEvent( im, static_cast<QEvent*>(event) );
621 static int ItemTitleChanged( vlc_object_t *p_this, const char *psz_var,
622 vlc_value_t oldval, vlc_value_t newval, void *param )
624 InputManager *im = (InputManager*)param;
626 IMEvent *event = new IMEvent( ItemTitleChanged_Type, 0 );
627 QApplication::postEvent( im, static_cast<QEvent*>(event) );
631 static int ItemChanged( vlc_object_t *p_this, const char *psz_var,
632 vlc_value_t oldval, vlc_value_t newval, void *param )
634 InputManager *im = (InputManager*)param;
636 IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
637 QApplication::postEvent( im, static_cast<QEvent*>(event) );
642 static int ChangeAudio( vlc_object_t *p_this, const char *var, vlc_value_t o,
643 vlc_value_t n, void *param )
645 InputManager *im = (InputManager*)param;
646 im->b_has_audio = true;
650 static int ChangeVideo( vlc_object_t *p_this, const char *var, vlc_value_t o,
651 vlc_value_t n, void *param )
653 InputManager *im = (InputManager*)param;
654 im->b_has_video = true;
659 static int PLItemChanged( vlc_object_t *p_this, const char *psz_var,
660 vlc_value_t oldval, vlc_value_t newval, void *param )
662 MainInputManager *mim = (MainInputManager*)param;
664 IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
665 QApplication::postEvent( mim, static_cast<QEvent*>(event) );
669 static int VolumeChanged( vlc_object_t *p_this, const char *psz_var,
670 vlc_value_t oldval, vlc_value_t newval, void *param )
672 MainInputManager *mim = (MainInputManager*)param;
674 IMEvent *event = new IMEvent( VolumeChanged_Type, newval.i_int );
675 QApplication::postEvent( mim, static_cast<QEvent*>(event) );