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;
71 InputManager::~InputManager()
76 /* Define the Input used.
77 Add the callbacks on input
78 p_input is yield once here */
79 void InputManager::setInput( input_thread_t *_p_input )
83 b_had_audio = b_had_video = b_has_audio = b_has_video = false;
84 if( p_input && !( p_input->b_dead || p_input->b_die ) )
86 vlc_object_yield( p_input );
87 emit statusChanged( PLAYING_S );
93 i_input_id = input_GetItem( p_input )->i_id;
99 emit rateChanged( INPUT_RATE_DEFAULT );
103 /* delete Input if it ever existed.
104 Delete the callbacls on input
105 p_input is released once here */
106 void InputManager::delInput()
111 i_old_playing_status = END_S;
115 emit positionUpdated( 0.0, 0 ,0 );
116 emit statusChanged( END_S );
117 emit nameChanged( "" );
118 emit artChanged( "" );
119 emit rateChanged( INPUT_RATE_DEFAULT );
120 vlc_object_release( p_input );
125 /* Add the callbacks on Input. Self explanatory */
126 void InputManager::addCallbacks()
128 /* We don't care about:
135 - position, time, length, because they are included in intf-change
137 /* src/input/input.c:1629 */
138 var_AddCallback( p_input, "state", ItemStateChanged, this );
139 /* src/input/es-out.c:550 */
140 var_AddCallback( p_input, "audio-es", ChangeAudio, this );
141 /* src/input/es-out.c:551 */
142 var_AddCallback( p_input, "video-es", ChangeVideo, this );
143 /* src/input/input.c:1765 */
144 var_AddCallback( p_input, "rate-change", ItemRateChanged, this );
145 /* src/input/input.c:2003 */
146 var_AddCallback( p_input, "title", ItemTitleChanged, this );
147 /* src/input/input.c:734 for timers update*/
148 var_AddCallback( p_input, "intf-change", InterfaceChanged, this );
151 /* Delete the callbacks on Input. Self explanatory */
152 void InputManager::delCallbacks()
154 var_DelCallback( p_input, "audio-es", ChangeAudio, this );
155 var_DelCallback( p_input, "video-es", ChangeVideo, this );
156 var_DelCallback( p_input, "state", ItemStateChanged, this );
157 var_DelCallback( p_input, "rate-change", ItemRateChanged, this );
158 var_DelCallback( p_input, "title", ItemTitleChanged, this );
159 var_DelCallback( p_input, "intf-change", InterfaceChanged, this );
162 /* Convert the event from the callbacks in actions */
163 void InputManager::customEvent( QEvent *event )
165 int type = event->type();
166 IMEvent *ple = static_cast<IMEvent *>(event);
168 if ( type != PositionUpdate_Type &&
169 type != ItemChanged_Type &&
170 type != ItemRateChanged_Type &&
171 type != ItemTitleChanged_Type &&
172 type != ItemStateChanged_Type )
175 if( !hasInput() ) return;
177 if( ( type != PositionUpdate_Type &&
178 type != ItemRateChanged_Type &&
179 type != ItemStateChanged_Type
181 && ( i_input_id != ple->i_id ) )
184 if( type != PositionUpdate_Type )
185 msg_Dbg( p_intf, "New Event: type %i", type );
190 case PositionUpdate_Type:
193 case ItemChanged_Type:
200 case ItemRateChanged_Type:
203 case ItemTitleChanged_Type:
207 case ItemStateChanged_Type:
214 void InputManager::UpdatePosition()
216 /* Update position */
217 int i_length, i_time; /* Int is enough, since we store seconds */
219 i_length = var_GetTime( p_input , "length" ) / 1000000;
220 i_time = var_GetTime( p_input , "time") / 1000000;
221 f_pos = var_GetFloat( p_input , "position" );
222 emit positionUpdated( f_pos, i_time, i_length );
225 void InputManager::UpdateNavigation()
227 /* Update navigation status */
228 vlc_value_t val; val.i_int = 0;
229 var_Change( p_input, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
233 var_Change( p_input, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
234 emit navigationChanged( (val.i_int > 0) ? 1 : 2 );
238 emit navigationChanged( 0 );
242 void InputManager::UpdateStatus()
244 /* Update playing status */
245 vlc_value_t val; val.i_int = 0;
246 var_Get( p_input, "state", &val );
247 if( i_old_playing_status != val.i_int )
249 i_old_playing_status = val.i_int;
250 emit statusChanged( val.i_int );
254 void InputManager::UpdateRate()
257 int i_new_rate = var_GetInteger( p_input, "rate");
258 if( i_new_rate != i_rate )
262 emit rateChanged( i_rate );
266 void InputManager::UpdateMeta()
268 /* Update text, name and nowplaying */
271 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
272 if( EMPTY_STR( psz_name ) )
275 psz_name = input_item_GetName( input_GetItem( p_input ) );
278 char *psz_nowplaying =
279 input_item_GetNowPlaying( input_GetItem( p_input ) );
280 if( !EMPTY_STR( psz_nowplaying ) )
282 text.sprintf( "%s - %s", psz_nowplaying, psz_name );
286 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
287 if( !EMPTY_STR( psz_artist ) )
289 text.sprintf( "%s - %s", psz_artist, psz_name );
293 text.sprintf( "%s", psz_name );
298 free( psz_nowplaying );
300 if( old_name != text )
302 emit nameChanged( text );
307 void InputManager::UpdateTracks()
309 /* Has Audio, has Video Tracks ? */
311 var_Change( p_input, "audio-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
312 b_has_audio = val.i_int > 0;
313 var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
314 b_has_video = val.i_int > 0;
316 msg_Dbg( p_input, "I have audio-video: %i %i", b_has_audio, b_has_video );
318 /* Update ZVBI status */
320 /* Update teletext status*/
321 emit teletextEnabled( true );/* FIXME */
325 void InputManager::UpdateArt()
327 /* Update Art meta */
329 char *psz_art = input_item_GetArtURL( input_GetItem( p_input ) );
330 url.sprintf("%s", psz_art );
334 artUrl = url.replace( "file://",QString("" ) );
335 /* Taglib seems to define a attachment://, It won't work yet */
336 artUrl = url.replace( "attachment://",QString("" ) );
337 emit artChanged( artUrl );
338 msg_Dbg( p_intf, "Art: %s", qtu( artUrl ) );
342 /* User update of the slider */
343 void InputManager::sliderUpdate( float new_pos )
346 var_SetFloat( p_input, "position", new_pos );
349 /* User togglePlayPause */
350 void InputManager::togglePlayPause()
353 var_Get( p_input, "state", &state );
354 state.i_int = ( state.i_int != PLAYING_S ) ? PLAYING_S : PAUSE_S;
355 var_Set( p_input, "state", state );
356 emit statusChanged( state.i_int );
359 void InputManager::sectionPrev()
363 int i_type = var_Type( p_input, "next-chapter" );
364 vlc_value_t val; val.b_bool = VLC_TRUE;
365 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
366 "prev-chapter":"prev-title", val );
370 void InputManager::sectionNext()
374 int i_type = var_Type( p_input, "next-chapter" );
375 vlc_value_t val; val.b_bool = VLC_TRUE;
376 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
377 "next-chapter":"next-title", val );
381 void InputManager::sectionMenu()
384 var_SetInteger( p_input, "title 0", 2 );
388 void InputManager::telexGotoPage( int page )
393 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
394 "zvbi", FIND_ANYWHERE );
397 var_SetInteger( p_vbi, "vbi-page", page );
398 vlc_object_release( p_vbi );
403 void InputManager::telexToggle( bool b_enabled )
405 int i_page = b_enabled ? 100 : 0 ;
407 telexGotoPage( i_page );
410 void InputManager::telexSetTransparency( bool b_transp )
415 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
416 "zvbi", FIND_ANYWHERE );
419 var_SetBool( p_input->p_libvlc, "vbi-opaque", b_transp );
420 vlc_object_release( p_vbi );
426 void InputManager::slower()
429 var_SetVoid( p_input, "rate-slower" );
432 void InputManager::faster()
435 var_SetVoid( p_input, "rate-faster" );
438 void InputManager::normalRate()
441 var_SetInteger( p_input, "rate", INPUT_RATE_DEFAULT );
444 void InputManager::setRate( int new_rate )
447 var_SetInteger( p_input, "rate", new_rate );
450 /**********************************************************************
451 * MainInputManager implementation. Wrap an input manager and
452 * take care of updating the main playlist input.
453 * Used in the main playlist Dialog
454 **********************************************************************/
455 MainInputManager * MainInputManager::instance = NULL;
457 MainInputManager::MainInputManager( intf_thread_t *_p_intf )
458 : QObject(NULL), p_intf( _p_intf )
461 im = new InputManager( this, p_intf );
463 // var_AddCallback( THEPL, "item-change", PLItemChanged, this );
464 var_AddCallback( THEPL, "item-change", ItemChanged, im );
465 var_AddCallback( THEPL, "playlist-current", PLItemChanged, this );
466 var_AddCallback( THEPL, "activity", PLItemChanged, this );
468 var_AddCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
470 // No necessary, I think TODO REMOVE ME at the end
471 //var_AddCallback( THEPL, "intf-change", ItemChanged, im );
473 /* Warn our embedded IM about input changes */
474 CONNECT( this, inputChanged( input_thread_t * ),
475 im, setInput( input_thread_t * ) );
478 MainInputManager::~MainInputManager()
482 var_DelCallback( p_input, "state", PLItemChanged, this );
483 vlc_object_release( p_input );
484 emit inputChanged( NULL );
487 var_DelCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
489 var_DelCallback( THEPL, "activity", PLItemChanged, this );
490 var_DelCallback( THEPL, "item-change", ItemChanged, im );
491 // var_DelCallback( THEPL, "item-change", PLItemChanged, this );
493 var_DelCallback( THEPL, "playlist-current", PLItemChanged, this );
496 void MainInputManager::customEvent( QEvent *event )
498 int type = event->type();
499 if ( type != ItemChanged_Type && type != VolumeChanged_Type )
502 // msg_Dbg( p_intf, "New MainIM Event of type: %i", type );
503 if( type == VolumeChanged_Type )
505 emit volumeChanged();
509 /* Should be PLItemChanged Event */
510 if( VLC_OBJECT_INTF == p_intf->i_object_type )
512 vlc_mutex_lock( &p_intf->change_lock );
513 if( p_input && ( p_input->b_dead || p_input->b_die ) )
515 var_DelCallback( p_input, "state", PLItemChanged, this );
516 vlc_object_release( p_input );
517 emit inputChanged( NULL );
519 vlc_mutex_unlock( &p_intf->change_lock );
526 p_input = THEPL->p_input;
527 if( p_input && !( p_input->b_die || p_input->b_dead) )
529 vlc_object_yield( p_input );
530 var_AddCallback( p_input, "state", PLItemChanged, this );
531 emit inputChanged( p_input );
537 vlc_mutex_unlock( &p_intf->change_lock );
541 /* we are working as a dialogs provider */
542 playlist_t *p_playlist = (playlist_t *) vlc_object_find( p_intf,
543 VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
546 p_input = p_playlist->p_input;
547 emit inputChanged( p_input );
552 /* Playlist Control functions */
553 void MainInputManager::stop()
555 playlist_Stop( THEPL );
558 void MainInputManager::next()
560 playlist_Next( THEPL );
563 void MainInputManager::prev()
565 playlist_Prev( THEPL );
568 void MainInputManager::togglePlayPause()
570 if( p_input == NULL )
572 playlist_Play( THEPL );
575 getIM()->togglePlayPause();
578 /* Static callbacks */
581 static int InterfaceChanged( vlc_object_t *p_this, const char *psz_var,
582 vlc_value_t oldval, vlc_value_t newval, void *param )
584 static int counter = 0;
585 InputManager *im = (InputManager*)param;
587 counter = ++counter % 4;
590 IMEvent *event = new IMEvent( PositionUpdate_Type, 0 );
591 QApplication::postEvent( im, static_cast<QEvent*>(event) );
595 static int ItemStateChanged( vlc_object_t *p_this, const char *psz_var,
596 vlc_value_t oldval, vlc_value_t newval, void *param )
598 InputManager *im = (InputManager*)param;
600 IMEvent *event = new IMEvent( ItemStateChanged_Type, 0 );
601 QApplication::postEvent( im, static_cast<QEvent*>(event) );
605 static int ItemRateChanged( vlc_object_t *p_this, const char *psz_var,
606 vlc_value_t oldval, vlc_value_t newval, void *param )
608 InputManager *im = (InputManager*)param;
610 IMEvent *event = new IMEvent( ItemRateChanged_Type, 0 );
611 QApplication::postEvent( im, static_cast<QEvent*>(event) );
615 static int ItemTitleChanged( vlc_object_t *p_this, const char *psz_var,
616 vlc_value_t oldval, vlc_value_t newval, void *param )
618 InputManager *im = (InputManager*)param;
620 IMEvent *event = new IMEvent( ItemTitleChanged_Type, 0 );
621 QApplication::postEvent( im, static_cast<QEvent*>(event) );
625 static int ItemChanged( vlc_object_t *p_this, const char *psz_var,
626 vlc_value_t oldval, vlc_value_t newval, void *param )
628 InputManager *im = (InputManager*)param;
630 IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
631 QApplication::postEvent( im, static_cast<QEvent*>(event) );
636 static int ChangeAudio( vlc_object_t *p_this, const char *var, vlc_value_t o,
637 vlc_value_t n, void *param )
639 InputManager *im = (InputManager*)param;
640 im->b_has_audio = true;
644 static int ChangeVideo( vlc_object_t *p_this, const char *var, vlc_value_t o,
645 vlc_value_t n, void *param )
647 InputManager *im = (InputManager*)param;
648 im->b_has_video = true;
653 static int PLItemChanged( vlc_object_t *p_this, const char *psz_var,
654 vlc_value_t oldval, vlc_value_t newval, void *param )
656 MainInputManager *mim = (MainInputManager*)param;
658 IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
659 QApplication::postEvent( mim, static_cast<QEvent*>(event) );
663 static int VolumeChanged( vlc_object_t *p_this, const char *psz_var,
664 vlc_value_t oldval, vlc_value_t newval, void *param )
666 MainInputManager *mim = (MainInputManager*)param;
668 IMEvent *event = new IMEvent( VolumeChanged_Type, newval.i_int );
669 QApplication::postEvent( mim, static_cast<QEvent*>(event) );