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"
32 #include <QApplication>
36 static int ItemChanged( vlc_object_t *, const char *,
37 vlc_value_t, vlc_value_t, void * );
38 static int PLItemChanged( vlc_object_t *, const char *,
39 vlc_value_t, vlc_value_t, void * );
40 static int VolumeChanged( vlc_object_t *, const char *,
41 vlc_value_t, vlc_value_t, void * );
43 static int InputEvent( vlc_object_t *, const char *,
44 vlc_value_t, vlc_value_t, void * );
45 static int VbiEvent( vlc_object_t *, const char *,
46 vlc_value_t, vlc_value_t, void * );
49 /**********************************************************************
50 * InputManager implementation
51 **********************************************************************
52 * The Input Manager can be the main one around the playlist
53 * But can also be used for VLM dialog or similar
54 **********************************************************************/
56 InputManager::InputManager( QObject *parent, intf_thread_t *_p_intf) :
57 QObject( parent ), p_intf( _p_intf )
59 i_old_playing_status = END_S;
68 f_cache = -1.; /* impossible initial value, different from all */
71 InputManager::~InputManager()
76 /* Define the Input used.
77 Add the callbacks on input
78 p_input is held once here */
79 void InputManager::setInput( input_thread_t *_p_input )
83 if( p_input && !( p_input->b_dead || !vlc_object_alive (p_input) ) )
85 msg_Dbg( p_intf, "IM: Setting an input" );
86 vlc_object_hold( p_input );
87 emit statusChanged( PLAYING_S );
94 i_input_id = input_GetItem( p_input )->i_id;
100 emit rateChanged( INPUT_RATE_DEFAULT );
104 /* delete Input if it ever existed.
105 Delete the callbacls on input
106 p_input is released once here */
107 void InputManager::delInput()
109 if( !p_input ) return;
110 msg_Dbg( p_intf, "IM: Deleting the input" );
113 i_old_playing_status = END_S;
121 vlc_object_release( p_input );
124 emit positionUpdated( -1.0, 0 ,0 );
125 emit rateChanged( INPUT_RATE_DEFAULT ); /* TODO: Do we want this ? */
126 emit nameChanged( "" );
127 emit chapterChanged( 0 );
128 emit titleChanged( 0 );
129 emit statusChanged( END_S );
131 emit teletextPossible( false );
132 emit AtoBchanged( false, false );
133 emit voutChanged( false );
134 emit voutListChanged( NULL, 0 );
136 /* Reset all InfoPanels but stats */
137 emit artChanged( NULL );
138 emit infoChanged( NULL );
139 emit metaChanged( (input_item_t *)NULL );
141 emit encryptionChanged( false );
145 /* Convert the event from the callbacks in actions */
146 void InputManager::customEvent( QEvent *event )
148 int i_type = event->type();
149 IMEvent *ple = static_cast<IMEvent *>(event);
155 if( i_type != PositionUpdate_Type &&
156 i_type != StatisticsUpdate_Type &&
157 i_type != ItemChanged_Type )
158 msg_Dbg( p_intf, "New Event: type %i", i_type );
164 case PositionUpdate_Type:
167 case StatisticsUpdate_Type:
170 case ItemChanged_Type:
171 /* Ignore ItemChanged_Type event that does not apply to our input */
172 if( i_input_id == ple->i_id )
177 /* Update duration of file */
179 UpdateMeta( ple->i_id );
181 case ItemStateChanged_Type:
182 // TODO: Fusion with above state
185 // UpdateNavigation(); This shouldn't be useful now
186 // UpdateTeletext(); Same
188 case NameChanged_Type:
191 case MetaChanged_Type:
193 UpdateName(); /* Needed for NowPlaying */
194 UpdateArt(); /* Art is part of meta in the core */
196 case InfoChanged_Type:
199 case ItemTitleChanged_Type:
201 UpdateName(); /* Display the name of the Chapter, if exists */
203 case ItemRateChanged_Type:
206 case ItemEsChanged_Type:
208 // We don't do anything ES related. Why ?
210 case ItemTeletextChanged_Type:
213 case InterfaceVoutUpdate_Type:
216 case SynchroChanged_Type:
217 emit synchroChanged();
219 case CachingEvent_Type:
222 case BookmarksChanged_Type:
223 emit bookmarksChanged();
225 case InterfaceAoutUpdate_Type:
228 case RecordingEvent_Type:
232 msg_Warn( p_intf, "This shouldn't happen: %i", i_type );
237 /* Add the callbacks on Input. Self explanatory */
238 inline void InputManager::addCallbacks()
240 var_AddCallback( p_input, "intf-event", InputEvent, this );
243 /* Delete the callbacks on Input. Self explanatory */
244 inline void InputManager::delCallbacks()
246 var_DelCallback( p_input, "intf-event", InputEvent, this );
249 /* Static callbacks for IM */
250 static int ItemChanged( vlc_object_t *p_this, const char *psz_var,
251 vlc_value_t oldval, vlc_value_t newval, void *param )
253 InputManager *im = (InputManager*)param;
255 IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
256 QApplication::postEvent( im, event );
260 static int InputEvent( vlc_object_t *p_this, const char *,
261 vlc_value_t, vlc_value_t newval, void *param )
263 InputManager *im = (InputManager*)param;
266 switch( newval.i_int )
268 case INPUT_EVENT_STATE:
269 event = new IMEvent( ItemStateChanged_Type, 0 );
271 case INPUT_EVENT_RATE:
272 event = new IMEvent( ItemRateChanged_Type, 0 );
274 case INPUT_EVENT_TIMES:
275 event = new IMEvent( PositionUpdate_Type, 0 );
278 case INPUT_EVENT_TITLE:
279 case INPUT_EVENT_CHAPTER:
280 event = new IMEvent( ItemTitleChanged_Type, 0 );
284 event = new IMEvent( ItemEsChanged_Type, 0 );
286 case INPUT_EVENT_TELETEXT:
287 event = new IMEvent( ItemTeletextChanged_Type, 0 );
290 case INPUT_EVENT_STATISTICS:
291 event = new IMEvent( StatisticsUpdate_Type, 0 );
294 case INPUT_EVENT_VOUT:
295 event = new IMEvent( InterfaceVoutUpdate_Type, 0 );
297 case INPUT_EVENT_AOUT:
298 event = new IMEvent( InterfaceAoutUpdate_Type, 0 );
301 case INPUT_EVENT_ITEM_META: /* Codec MetaData + Art */
302 event = new IMEvent( MetaChanged_Type, 0 );
304 case INPUT_EVENT_ITEM_INFO: /* Codec Info */
305 event = new IMEvent( InfoChanged_Type, 0 );
307 case INPUT_EVENT_ITEM_NAME:
308 event = new IMEvent( NameChanged_Type, 0 );
311 case INPUT_EVENT_AUDIO_DELAY:
312 case INPUT_EVENT_SUBTITLE_DELAY:
313 event = new IMEvent( SynchroChanged_Type, 0 );
316 case INPUT_EVENT_CACHE:
317 event = new IMEvent( CachingEvent_Type, 0 );
320 case INPUT_EVENT_BOOKMARK:
321 event = new IMEvent( BookmarksChanged_Type, 0 );
324 case INPUT_EVENT_RECORD:
325 event = new IMEvent( RecordingEvent_Type, 0 );
328 case INPUT_EVENT_PROGRAM:
329 /* This is for PID changes */
330 /* event = new IMEvent( ProgramChanged_Type, 0 );
332 case INPUT_EVENT_SIGNAL:
333 /* This is for capture-card signals */
334 /* event = new IMEvent( SignalChanged_Type, 0 );
342 QApplication::postEvent( im, event );
345 static int VbiEvent( vlc_object_t *, const char *,
346 vlc_value_t, vlc_value_t, void *param )
348 InputManager *im = (InputManager*)param;
349 IMEvent *event = new IMEvent( ItemTeletextChanged_Type, 0 );
352 QApplication::postEvent( im, event );
356 void InputManager::UpdatePosition()
358 /* Update position */
359 int i_length, i_time; /* Int is enough, since we store seconds */
361 i_length = var_GetTime( p_input , "length" ) / 1000000;
362 i_time = var_GetTime( p_input , "time") / 1000000;
363 f_pos = var_GetFloat( p_input , "position" );
364 emit positionUpdated( f_pos, i_time, i_length );
367 void InputManager::UpdateNavigation()
369 /* Update navigation status */
370 vlc_value_t val; val.i_int = 0;
373 var_Change( p_input, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
377 emit titleChanged( true );
378 msg_Dbg( p_intf, "Title %i", val.i_int );
379 /* p_input != NULL since val.i_int != 0 */
381 var_Change( p_input, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
382 emit chapterChanged( (val.i_int > 0) );
383 msg_Dbg( p_intf, "Chapter: %i", val.i_int );
386 emit titleChanged( false );
389 void InputManager::UpdateStatus()
391 /* Update playing status */
392 vlc_value_t val; val.i_int = 0;
393 var_Get( p_input, "state", &val );
394 if( i_old_playing_status != val.i_int )
396 i_old_playing_status = val.i_int;
397 emit statusChanged( val.i_int );
401 void InputManager::UpdateRate()
404 int i_new_rate = var_GetInteger( p_input, "rate");
405 if( i_new_rate != i_rate )
409 emit rateChanged( i_rate );
413 void InputManager::UpdateName()
415 /* Update text, name and nowplaying */
418 /* Try to get the Title, then the Name */
419 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
420 if( EMPTY_STR( psz_name ) )
423 psz_name = input_item_GetName( input_GetItem( p_input ) );
426 /* Try to get the nowplaying */
427 char *psz_nowplaying =
428 input_item_GetNowPlaying( input_GetItem( p_input ) );
429 if( !EMPTY_STR( psz_nowplaying ) )
431 text.sprintf( "%s - %s", psz_nowplaying, psz_name );
433 else /* Do it ourself */
435 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
437 if( !EMPTY_STR( psz_artist ) )
438 text.sprintf( "%s - %s", psz_artist, psz_name );
440 text.sprintf( "%s", psz_name );
444 /* Free everything */
446 free( psz_nowplaying );
448 /* If we have Nothing */
451 psz_name = input_item_GetURI( input_GetItem( p_input ) );
452 text.sprintf( "%s", psz_name );
453 text = text.remove( 0, text.lastIndexOf( DIR_SEP ) + 1 );
457 if( oldName != text )
459 emit nameChanged( text );
464 bool InputManager::hasAudio()
469 var_Change( p_input, "audio-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
470 return val.i_int > 0;
475 void InputManager::UpdateTeletext()
479 const bool b_enabled = var_CountChoices( p_input, "teletext-es" ) > 0;
480 const int i_teletext_es = var_GetInteger( p_input, "teletext-es" );
482 /* Teletext is possible. Show the buttons */
483 emit teletextPossible( b_enabled );
485 /* If Teletext is selected */
486 if( b_enabled && i_teletext_es >= 0 )
488 /* Then, find the current page */
490 bool b_transparent = false;
492 vlc_object_t *p_vbi = (vlc_object_t *)
493 vlc_object_find_name( p_input, "zvbi", FIND_CHILD );
497 /* We deleted it (if not here, it does not harm), because
498 * var_AddCallback will silently add a duplicated one */
499 var_DelCallback( p_vbi, "vbi-page", VbiEvent, this );
500 /* This callback is not remove explicitly, but interfaces
501 * are guaranted to outlive input */
502 var_AddCallback( p_vbi, "vbi-page", VbiEvent, this );
504 i_page = var_GetInteger( p_vbi, "vbi-page" );
505 b_transparent = !var_GetBool( p_vbi, "vbi-opaque" );
506 vlc_object_release( p_vbi );
508 emit newTelexPageSet( i_page );
509 emit teletextTransparencyActivated( b_transparent );
512 emit teletextActivated( b_enabled && i_teletext_es >= 0 );
516 emit teletextActivated( false );
517 emit teletextPossible( false );
521 void InputManager::UpdateVout()
525 /* Get current vout lists from input */
527 vout_thread_t **pp_vout;
528 if( input_Control( p_input, INPUT_GET_VOUTS, &pp_vout, &i_vout ) )
535 emit voutListChanged( pp_vout, i_vout );
538 bool b_old_video = b_video;
539 b_video = i_vout > 0;
540 if( !!b_old_video != !!b_video )
541 emit voutChanged( b_video );
543 /* Release the vout list */
544 for( int i = 0; i < i_vout; i++ )
545 vlc_object_release( (vlc_object_t*)pp_vout[i] );
549 void InputManager::UpdateAout()
556 void InputManager::UpdateCaching()
558 if(!hasInput()) return;
560 float f_newCache = var_GetFloat ( p_input, "cache" );
561 if( f_newCache != f_cache )
563 f_cache = f_newCache;
565 emit cachingChanged( f_cache );
569 void InputManager::requestArtUpdate()
573 playlist_t *p_playlist = pl_Hold( p_intf );
574 playlist_AskForArtEnqueue( p_playlist, input_GetItem( p_input ), pl_Unlocked );
575 pl_Release( p_intf );
579 /* No input will signal the cover art to update,
580 * let's do it ourself */
585 void InputManager::UpdateArt()
591 char *psz_art = input_item_GetArtURL( input_GetItem( p_input ) );
595 url = url.replace( "file://", QString("" ) );
596 /* Taglib seems to define a attachment://, It won't work yet */
597 url = url.replace( "attachment://", QString("" ) );
598 /* Update Art meta */
599 emit artChanged( url );
602 inline void InputManager::UpdateStats()
604 emit statisticsUpdated( input_GetItem( p_input ) );
607 inline void InputManager::UpdateMeta( int id )
609 emit metaChanged( id );
612 inline void InputManager::UpdateMeta()
614 emit metaChanged( input_GetItem( p_input ) );
617 inline void InputManager::UpdateInfo()
619 emit infoChanged( input_GetItem( p_input ) );
622 void InputManager::UpdateRecord()
626 emit recordingStateChanged( var_GetBool( p_input, "record" ) );
630 /* User update of the slider */
631 void InputManager::sliderUpdate( float new_pos )
634 var_SetFloat( p_input, "position", new_pos );
637 /* User togglePlayPause */
638 void InputManager::togglePlayPause()
643 var_Get( p_input, "state", &state );
644 state.i_int = ( state.i_int != PLAYING_S ) ? PLAYING_S : PAUSE_S;
645 var_Set( p_input, "state", state );
646 emit statusChanged( state.i_int );
650 void InputManager::sectionPrev()
654 int i_type = var_Type( p_input, "next-chapter" );
655 vlc_value_t val; val.b_bool = true;
656 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
657 "prev-chapter":"prev-title", val );
661 void InputManager::sectionNext()
665 int i_type = var_Type( p_input, "next-chapter" );
666 vlc_value_t val; val.b_bool = true;
667 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
668 "next-chapter":"next-title", val );
672 void InputManager::sectionMenu()
676 vlc_value_t val, text;
679 if( var_Change( p_input, "title 0", VLC_VAR_GETLIST, &val, &text ) < 0 )
682 /* XXX is it "Root" or "Title" we want here ?" (set 0 by default) */
684 for( int i = 0; i < val.p_list->i_count; i++ )
686 if( !strcmp( text.p_list->p_values[i].psz_string, "Title" ) )
689 var_Change( p_input, "title 0", VLC_VAR_FREELIST, &val, &text );
691 var_Set( p_input, "title 0", root );
699 /* Set a new Teletext Page */
700 void InputManager::telexSetPage( int page )
704 const int i_teletext_es = var_GetInteger( p_input, "teletext-es" );
706 if( i_teletext_es >= 0 )
708 vlc_object_t *p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
709 "zvbi", FIND_CHILD );
712 var_SetInteger( p_vbi, "vbi-page", page );
713 vlc_object_release( p_vbi );
714 emit newTelexPageSet( page );
720 /* Set the transparency on teletext */
721 void InputManager::telexSetTransparency( bool b_transparentTelextext )
725 vlc_object_t *p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
726 "zvbi", FIND_CHILD );
729 var_SetBool( p_vbi, "vbi-opaque", !b_transparentTelextext );
730 vlc_object_release( p_vbi );
731 emit teletextTransparencyActivated( b_transparentTelextext );
736 void InputManager::activateTeletext( bool b_enable )
740 if( hasInput() && !var_Change( p_input, "teletext-es", VLC_VAR_GETLIST, &list, &text ) )
742 if( list.p_list->i_count > 0 )
744 /* Prefer the page 100 if it is present */
746 for( i = 0; i < text.p_list->i_count; i++ )
748 /* The description is the page number as a string */
749 const char *psz_page = text.p_list->p_values[i].psz_string;
750 if( psz_page && !strcmp( psz_page, "100" ) )
753 if( i >= list.p_list->i_count )
755 var_SetInteger( p_input, "spu-es", b_enable ? list.p_list->p_values[i].i_int : -1 );
757 var_Change( p_input, "teletext-es", VLC_VAR_FREELIST, &list, &text );
761 void InputManager::reverse()
765 int i_rate = var_GetInteger( p_input, "rate" );
766 var_SetInteger( p_input, "rate", -i_rate );
770 void InputManager::slower()
773 var_SetVoid( p_input, "rate-slower" );
776 void InputManager::faster()
779 var_SetVoid( p_input, "rate-faster" );
782 void InputManager::normalRate()
785 var_SetInteger( p_input, "rate", INPUT_RATE_DEFAULT );
788 void InputManager::setRate( int new_rate )
791 var_SetInteger( p_input, "rate", new_rate );
794 void InputManager::jumpFwd()
796 int i_interval = config_GetInt( p_input, "short-jump-size" );
800 val.i_time = (mtime_t)(i_interval) * 1000000L;
801 var_Set( p_input, "time-offset", val );
805 void InputManager::jumpBwd()
807 int i_interval = config_GetInt( p_input, "short-jump-size" );
811 val.i_time = -1 *(mtime_t)(i_interval) * 1000000L;
812 var_Set( p_input, "time-offset", val );
816 void InputManager::setAtoB()
820 timeA = var_GetTime( THEMIM->getInput(), "time" );
824 timeB = var_GetTime( THEMIM->getInput(), "time" );
825 var_SetTime( THEMIM->getInput(), "time" , timeA );
826 CONNECT( this, positionUpdated( float, int, int ),
827 this, AtoBLoop( float, int, int ) );
833 disconnect( this, SIGNAL( positionUpdated( float, int, int ) ),
834 this, SLOT( AtoBLoop( float, int, int ) ) );
836 emit AtoBchanged( (timeA != 0 ), (timeB != 0 ) );
839 /* Function called regularly when in an AtoB loop */
840 void InputManager::AtoBLoop( float, int i_time, int )
842 msg_Dbg( p_intf, "I am here" );
845 if( ( i_time >= (int)( timeB/1000000 ) )
846 || ( i_time < (int)( timeA/1000000 ) ) )
847 var_SetTime( THEMIM->getInput(), "time" , timeA );
851 /**********************************************************************
852 * MainInputManager implementation. Wrap an input manager and
853 * take care of updating the main playlist input.
854 * Used in the main playlist Dialog
855 **********************************************************************/
856 MainInputManager * MainInputManager::instance = NULL;
858 MainInputManager::MainInputManager( intf_thread_t *_p_intf )
859 : QObject(NULL), p_intf( _p_intf )
862 im = new InputManager( this, p_intf );
864 var_AddCallback( THEPL, "item-change", ItemChanged, im );
865 var_AddCallback( THEPL, "item-current", PLItemChanged, this );
866 var_AddCallback( THEPL, "activity", PLItemChanged, this );
868 var_AddCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
870 /* Warn our embedded IM about input changes */
871 CONNECT( this, inputChanged( input_thread_t * ),
872 im, setInput( input_thread_t * ) );
874 /* emit check if playlist has allready started playing */
876 var_Change( THEPL, "item-current", VLC_VAR_CHOICESCOUNT, &val, NULL );
878 IMEvent *event = new IMEvent( ItemChanged_Type, val.i_int);
879 customEvent( event );
883 MainInputManager::~MainInputManager()
887 emit inputChanged( NULL );
888 var_DelCallback( p_input, "state", PLItemChanged, this );
889 vlc_object_release( p_input );
892 var_DelCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
894 var_DelCallback( THEPL, "activity", PLItemChanged, this );
895 var_DelCallback( THEPL, "item-change", ItemChanged, im );
897 var_DelCallback( THEPL, "item-current", PLItemChanged, this );
900 vout_thread_t* MainInputManager::getVout()
902 return p_input ? input_GetVout( p_input ) : NULL;
905 aout_instance_t * MainInputManager::getAout()
907 return p_input ? input_GetAout( p_input ) : NULL;
910 void MainInputManager::customEvent( QEvent *event )
912 int type = event->type();
913 if ( type != ItemChanged_Type && type != VolumeChanged_Type )
916 // msg_Dbg( p_intf, "New MainIM Event of type: %i", type );
917 if( type == VolumeChanged_Type )
919 emit volumeChanged();
923 /* Should be PLItemChanged Event */
924 if( !p_intf->p_sys->b_isDialogProvider )
926 vlc_mutex_lock( &p_intf->change_lock );
927 if( p_input && ( p_input->b_dead || !vlc_object_alive (p_input) ) )
929 emit inputChanged( p_input );
930 var_DelCallback( p_input, "state", PLItemChanged, this );
931 vlc_object_release( p_input );
933 vlc_mutex_unlock( &p_intf->change_lock );
939 p_input = playlist_CurrentInput(THEPL);
942 var_AddCallback( p_input, "state", PLItemChanged, this );
943 emit inputChanged( p_input );
946 vlc_mutex_unlock( &p_intf->change_lock );
950 /* we are working as a dialogs provider */
951 playlist_t *p_playlist = pl_Hold( p_intf );
952 p_input = playlist_CurrentInput( p_playlist );
955 emit inputChanged( p_input );
956 vlc_object_release( p_input );
958 pl_Release( p_intf );
962 /* Playlist Control functions */
963 void MainInputManager::stop()
965 playlist_Stop( THEPL );
968 void MainInputManager::next()
970 playlist_Next( THEPL );
973 void MainInputManager::prev()
975 playlist_Prev( THEPL );
978 void MainInputManager::togglePlayPause()
982 playlist_Play( THEPL );
984 getIM()->togglePlayPause();
987 /* Static callbacks for MIM */
988 static int PLItemChanged( vlc_object_t *p_this, const char *psz_var,
989 vlc_value_t oldval, vlc_value_t newval, void *param )
991 MainInputManager *mim = (MainInputManager*)param;
993 IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
994 QApplication::postEvent( mim, event );
998 static int VolumeChanged( vlc_object_t *p_this, const char *psz_var,
999 vlc_value_t oldval, vlc_value_t newval, void *param )
1001 MainInputManager *mim = (MainInputManager*)param;
1003 IMEvent *event = new IMEvent( VolumeChanged_Type, newval.i_int );
1004 QApplication::postEvent( mim, event );