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 ChangeSPU( vlc_object_t *p_this, const char *var, vlc_value_t o,
34 vlc_value_t n, void *param );
36 static int ChangeTeletext( vlc_object_t *p_this, const char *var, vlc_value_t o,
37 vlc_value_t n, void *param );
39 static int ItemChanged( vlc_object_t *, const char *,
40 vlc_value_t, vlc_value_t, void * );
41 static int PLItemChanged( vlc_object_t *, const char *,
42 vlc_value_t, vlc_value_t, void * );
43 static int InterfaceChanged( vlc_object_t *, const char *,
44 vlc_value_t, vlc_value_t, void * );
45 static int ItemStateChanged( vlc_object_t *, const char *,
46 vlc_value_t, vlc_value_t, void * );
47 static int ItemRateChanged( vlc_object_t *, const char *,
48 vlc_value_t, vlc_value_t, void * );
49 static int ItemTitleChanged( vlc_object_t *, const char *,
50 vlc_value_t, vlc_value_t, void * );
51 static int VolumeChanged( vlc_object_t *, const char *,
52 vlc_value_t, vlc_value_t, void * );
54 /**********************************************************************
55 * InputManager implementation
56 **********************************************************************
57 * The Input Manager can be the main one around the playlist
58 * But can also be used for VLM dialog or similar
59 **********************************************************************/
61 InputManager::InputManager( QObject *parent, intf_thread_t *_p_intf) :
62 QObject( parent ), p_intf( _p_intf )
64 i_old_playing_status = END_S;
70 b_transparentTelextext = false;
73 InputManager::~InputManager()
78 /* Define the Input used.
79 Add the callbacks on input
80 p_input is yield once here */
81 void InputManager::setInput( input_thread_t *_p_input )
85 if( p_input && !( p_input->b_dead || !vlc_object_alive (p_input) ) )
87 vlc_object_yield( p_input );
88 emit statusChanged( PLAYING_S );
95 i_input_id = input_GetItem( p_input )->i_id;
101 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 );
129 /* Add the callbacks on Input. Self explanatory */
130 void InputManager::addCallbacks()
132 /* We don't care about:
138 - position, time, length, because they are included in intf-change
140 /* src/input/input.c:1629 */
141 var_AddCallback( p_input, "state", ItemStateChanged, this );
142 /* src/input/es-out.c:552 */
143 var_AddCallback( p_input, "spu-es", ChangeSPU, this );
144 /* src/input/es-out.c: */
145 var_AddCallback( p_input, "teletext-es", ChangeTeletext, this );
146 /* src/input/input.c:1765 */
147 var_AddCallback( p_input, "rate-change", ItemRateChanged, this );
148 /* src/input/input.c:2003 */
149 var_AddCallback( p_input, "title", ItemTitleChanged, this );
150 /* src/input/input.c:734 for timers update*/
151 var_AddCallback( p_input, "intf-change", InterfaceChanged, this );
154 /* Delete the callbacks on Input. Self explanatory */
155 void InputManager::delCallbacks()
157 var_DelCallback( p_input, "spu-es", ChangeSPU, this );
158 var_DelCallback( p_input, "teletext-es", ChangeTeletext, this );
159 var_DelCallback( p_input, "state", ItemStateChanged, this );
160 var_DelCallback( p_input, "rate-change", ItemRateChanged, this );
161 var_DelCallback( p_input, "title", ItemTitleChanged, this );
162 var_DelCallback( p_input, "intf-change", InterfaceChanged, this );
165 /* Convert the event from the callbacks in actions */
166 void InputManager::customEvent( QEvent *event )
168 int type = event->type();
169 IMEvent *ple = static_cast<IMEvent *>(event);
171 if ( type != PositionUpdate_Type &&
172 type != ItemChanged_Type &&
173 type != ItemRateChanged_Type &&
174 type != ItemTitleChanged_Type &&
175 type != ItemSpuChanged_Type &&
176 type != ItemTeletextChanged_Type &&
177 type != ItemStateChanged_Type )
180 if( !hasInput() ) return;
182 if( ( type != PositionUpdate_Type &&
183 type != ItemRateChanged_Type &&
184 type != ItemSpuChanged_Type &&
185 type != ItemTeletextChanged_Type &&
186 type != ItemStateChanged_Type
188 && ( i_input_id != ple->i_id ) )
191 if( type != PositionUpdate_Type )
192 msg_Dbg( p_intf, "New Event: type %i", type );
197 case PositionUpdate_Type:
200 case ItemChanged_Type:
205 case ItemStateChanged_Type:
210 case ItemTitleChanged_Type:
214 case ItemRateChanged_Type:
217 case ItemSpuChanged_Type:
220 case ItemTeletextChanged_Type:
226 void InputManager::UpdatePosition()
228 /* Update position */
229 int i_length, i_time; /* Int is enough, since we store seconds */
231 i_length = var_GetTime( p_input , "length" ) / 1000000;
232 i_time = var_GetTime( p_input , "time") / 1000000;
233 f_pos = var_GetFloat( p_input , "position" );
234 emit positionUpdated( f_pos, i_time, i_length );
237 void InputManager::UpdateNavigation()
239 /* Update navigation status */
240 vlc_value_t val; val.i_int = 0;
241 var_Change( p_input, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
245 var_Change( p_input, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
246 emit navigationChanged( (val.i_int > 0) ? 1 : 2 );
250 emit navigationChanged( 0 );
254 void InputManager::UpdateStatus()
256 /* Update playing status */
257 vlc_value_t val; val.i_int = 0;
258 var_Get( p_input, "state", &val );
259 if( i_old_playing_status != val.i_int )
261 i_old_playing_status = val.i_int;
262 emit statusChanged( val.i_int );
266 void InputManager::UpdateRate()
269 int i_new_rate = var_GetInteger( p_input, "rate");
270 if( i_new_rate != i_rate )
274 emit rateChanged( i_rate );
278 void InputManager::UpdateMeta()
280 /* Update text, name and nowplaying */
283 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
284 if( EMPTY_STR( psz_name ) )
287 psz_name = input_item_GetName( input_GetItem( p_input ) );
290 char *psz_nowplaying =
291 input_item_GetNowPlaying( input_GetItem( p_input ) );
292 if( !EMPTY_STR( psz_nowplaying ) )
294 text.sprintf( "%s - %s", psz_nowplaying, psz_name );
298 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
299 if( !EMPTY_STR( psz_artist ) )
301 text.sprintf( "%s - %s", psz_artist, psz_name );
305 text.sprintf( "%s", psz_name );
310 free( psz_nowplaying );
312 if( old_name != text )
314 emit nameChanged( text );
319 bool InputManager::hasAudio()
324 var_Change( p_input, "audio-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
325 return val.i_int > 0;
330 bool InputManager::hasVideo()
335 var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
336 return val.i_int > 0;
342 void InputManager::UpdateSPU()
347 void InputManager::UpdateTeletext()
350 telexToggle( var_GetInteger( p_input, "teletext-es" ) >= 0 );
352 telexToggle( false );
357 void InputManager::UpdateArt()
359 /* Update Art meta */
361 char *psz_art = input_item_GetArtURL( input_GetItem( p_input ) );
362 url.sprintf("%s", psz_art );
366 artUrl = url.replace( "file://",QString("" ) );
367 /* Taglib seems to define a attachment://, It won't work yet */
368 artUrl = url.replace( "attachment://",QString("" ) );
369 emit artChanged( artUrl );
370 msg_Dbg( p_intf, "Art: %s", qtu( artUrl ) );
374 /* User update of the slider */
375 void InputManager::sliderUpdate( float new_pos )
378 var_SetFloat( p_input, "position", new_pos );
381 /* User togglePlayPause */
382 void InputManager::togglePlayPause()
385 var_Get( p_input, "state", &state );
386 state.i_int = ( state.i_int != PLAYING_S ) ? PLAYING_S : PAUSE_S;
387 var_Set( p_input, "state", state );
388 emit statusChanged( state.i_int );
391 void InputManager::sectionPrev()
395 int i_type = var_Type( p_input, "next-chapter" );
396 vlc_value_t val; val.b_bool = true;
397 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
398 "prev-chapter":"prev-title", val );
402 void InputManager::sectionNext()
406 int i_type = var_Type( p_input, "next-chapter" );
407 vlc_value_t val; val.b_bool = true;
408 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
409 "next-chapter":"next-title", val );
413 void InputManager::sectionMenu()
417 vlc_value_t val, text;
420 if( var_Change( p_input, "title 0", VLC_VAR_GETLIST, &val, &text ) < 0 )
423 /* XXX is it "Root" or "Title" we want here ?" (set 0 by default) */
425 for( int i = 0; i < val.p_list->i_count; i++ )
427 if( !strcmp( text.p_list->p_values[i].psz_string, "Title" ) )
430 var_Change( p_input, "title 0", VLC_VAR_FREELIST, &val, &text );
432 var_Set( p_input, "title 0", root );
436 void InputManager::telexGotoPage( int page )
440 const int i_teletext_es = var_GetInteger( p_input, "teletext-es" );
441 const int i_spu_es = var_GetInteger( p_input, "spu-es" );
443 if( i_teletext_es >= 0 && i_teletext_es == i_spu_es )
446 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
447 "zvbi", FIND_ANYWHERE );
450 var_SetInteger( p_vbi, "vbi-page", page );
451 vlc_object_release( p_vbi );
455 emit setNewTelexPage( page );
458 void InputManager::telexToggle( bool b_enabled )
462 const int i_teletext_es = var_GetInteger( p_input, "teletext-es" );
463 const int i_spu_es = var_GetInteger( p_input, "spu-es" );
465 b_enabled = (i_teletext_es >= 0);
466 emit teletextEnabled( b_enabled );
467 if( b_enabled && (i_teletext_es == i_spu_es) )
471 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
472 "zvbi", FIND_ANYWHERE );
475 i_page = var_GetInteger( p_vbi, "vbi-page" );
476 vlc_object_release( p_vbi );
477 i_page = b_enabled ? i_page : 0;
478 telexGotoPage( i_page );
482 else emit teletextEnabled( b_enabled );
485 void InputManager::telexToggleButtons()
489 const int i_teletext_es = var_GetInteger( p_input, "teletext-es" );
490 if( i_teletext_es >= 0 )
492 const int i_spu_es = var_GetInteger( p_input, "spu-es" );
494 if( i_teletext_es == i_spu_es )
495 var_SetInteger( p_input, "spu-es", -1 );
497 var_SetInteger( p_input, "spu-es", i_teletext_es );
499 emit toggleTelexButtons();
504 void InputManager::telexSetTransparency()
509 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
510 "zvbi", FIND_ANYWHERE );
513 var_SetBool( p_vbi, "vbi-opaque", b_transparentTelextext );
514 b_transparentTelextext = !b_transparentTelextext;
515 vlc_object_release( p_vbi );
518 emit toggleTelexTransparency();
521 void InputManager::slower()
524 var_SetVoid( p_input, "rate-slower" );
527 void InputManager::faster()
530 var_SetVoid( p_input, "rate-faster" );
533 void InputManager::normalRate()
536 var_SetInteger( p_input, "rate", INPUT_RATE_DEFAULT );
539 void InputManager::setRate( int new_rate )
542 var_SetInteger( p_input, "rate", new_rate );
545 /**********************************************************************
546 * MainInputManager implementation. Wrap an input manager and
547 * take care of updating the main playlist input.
548 * Used in the main playlist Dialog
549 **********************************************************************/
550 MainInputManager * MainInputManager::instance = NULL;
552 MainInputManager::MainInputManager( intf_thread_t *_p_intf )
553 : QObject(NULL), p_intf( _p_intf )
556 im = new InputManager( this, p_intf );
558 // var_AddCallback( THEPL, "item-change", PLItemChanged, this );
559 var_AddCallback( THEPL, "item-change", ItemChanged, im );
560 var_AddCallback( THEPL, "playlist-current", PLItemChanged, this );
561 var_AddCallback( THEPL, "activity", PLItemChanged, this );
563 var_AddCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
565 // No necessary, I think TODO REMOVE ME at the end
566 //var_AddCallback( THEPL, "intf-change", ItemChanged, im );
568 /* Warn our embedded IM about input changes */
569 CONNECT( this, inputChanged( input_thread_t * ),
570 im, setInput( input_thread_t * ) );
572 /* emit check if playlist has allready started playing */
574 var_Change( THEPL, "playlist-current", VLC_VAR_CHOICESCOUNT, &val, NULL );
575 IMEvent *event = new IMEvent( ItemChanged_Type, val.i_int);
576 QApplication::postEvent( this, static_cast<QEvent*>(event) );
580 MainInputManager::~MainInputManager()
584 var_DelCallback( p_input, "state", PLItemChanged, this );
585 vlc_object_release( p_input );
586 emit inputChanged( NULL );
589 var_DelCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
591 var_DelCallback( THEPL, "activity", PLItemChanged, this );
592 var_DelCallback( THEPL, "item-change", ItemChanged, im );
593 // var_DelCallback( THEPL, "item-change", PLItemChanged, this );
595 var_DelCallback( THEPL, "playlist-current", PLItemChanged, this );
598 void MainInputManager::customEvent( QEvent *event )
600 int type = event->type();
601 if ( type != ItemChanged_Type && type != VolumeChanged_Type )
604 // msg_Dbg( p_intf, "New MainIM Event of type: %i", type );
605 if( type == VolumeChanged_Type )
607 emit volumeChanged();
611 /* Should be PLItemChanged Event */
612 if( VLC_OBJECT_INTF == p_intf->i_object_type ) /* FIXME: don't use object type */
614 vlc_mutex_lock( &p_intf->change_lock );
615 if( p_input && ( p_input->b_dead || !vlc_object_alive (p_input) ) )
617 var_DelCallback( p_input, "state", PLItemChanged, this );
618 vlc_object_release( p_input );
619 emit inputChanged( NULL );
621 vlc_mutex_unlock( &p_intf->change_lock );
628 p_input = THEPL->p_input;
629 if( p_input && !( !vlc_object_alive (p_input) || p_input->b_dead) )
631 vlc_object_yield( p_input );
632 var_AddCallback( p_input, "state", PLItemChanged, this );
633 emit inputChanged( p_input );
639 vlc_mutex_unlock( &p_intf->change_lock );
643 /* we are working as a dialogs provider */
644 playlist_t *p_playlist = pl_Yield( p_intf );
645 p_input = playlist_CurrentInput( p_playlist );
646 emit inputChanged( p_input );
647 vlc_object_release( p_input );
648 pl_Release( p_intf );
652 /* Playlist Control functions */
653 void MainInputManager::stop()
655 playlist_Stop( THEPL );
658 void MainInputManager::next()
660 playlist_Next( THEPL );
663 void MainInputManager::prev()
665 playlist_Prev( THEPL );
668 void MainInputManager::togglePlayPause()
670 if( p_input == NULL )
672 playlist_Play( THEPL );
675 getIM()->togglePlayPause();
678 bool MainInputManager::teletextState()
683 const int i_teletext_es = var_GetInteger( getInput(), "teletext-es" );
684 const int i_spu_es = var_GetInteger( getInput(), "spu-es" );
686 return i_teletext_es >= 0 && i_teletext_es == i_spu_es;
691 /* Static callbacks */
694 static int InterfaceChanged( vlc_object_t *p_this, const char *psz_var,
695 vlc_value_t oldval, vlc_value_t newval, void *param )
697 static int counter = 0;
698 InputManager *im = (InputManager*)param;
700 counter = ++counter % 4;
703 IMEvent *event = new IMEvent( PositionUpdate_Type, 0 );
704 QApplication::postEvent( im, static_cast<QEvent*>(event) );
708 static int ItemStateChanged( vlc_object_t *p_this, const char *psz_var,
709 vlc_value_t oldval, vlc_value_t newval, void *param )
711 InputManager *im = (InputManager*)param;
713 IMEvent *event = new IMEvent( ItemStateChanged_Type, 0 );
714 QApplication::postEvent( im, static_cast<QEvent*>(event) );
718 static int ItemRateChanged( vlc_object_t *p_this, const char *psz_var,
719 vlc_value_t oldval, vlc_value_t newval, void *param )
721 InputManager *im = (InputManager*)param;
723 IMEvent *event = new IMEvent( ItemRateChanged_Type, 0 );
724 QApplication::postEvent( im, static_cast<QEvent*>(event) );
728 static int ItemTitleChanged( vlc_object_t *p_this, const char *psz_var,
729 vlc_value_t oldval, vlc_value_t newval, void *param )
731 InputManager *im = (InputManager*)param;
733 IMEvent *event = new IMEvent( ItemTitleChanged_Type, 0 );
734 QApplication::postEvent( im, static_cast<QEvent*>(event) );
738 static int ItemChanged( vlc_object_t *p_this, const char *psz_var,
739 vlc_value_t oldval, vlc_value_t newval, void *param )
741 InputManager *im = (InputManager*)param;
743 IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
744 QApplication::postEvent( im, static_cast<QEvent*>(event) );
748 static int ChangeSPU( vlc_object_t *p_this, const char *var, vlc_value_t o,
749 vlc_value_t n, void *param )
751 InputManager *im = (InputManager*)param;
752 IMEvent *event = new IMEvent( ItemSpuChanged_Type, 0 );
753 QApplication::postEvent( im, static_cast<QEvent*>(event) );
757 static int ChangeTeletext( vlc_object_t *p_this, const char *var, vlc_value_t o,
758 vlc_value_t n, void *param )
761 InputManager *im = (InputManager*)param;
762 IMEvent *event = new IMEvent( ItemTeletextChanged_Type, 0 );
763 QApplication::postEvent( im, static_cast<QEvent*>(event) );
768 static int PLItemChanged( vlc_object_t *p_this, const char *psz_var,
769 vlc_value_t oldval, vlc_value_t newval, void *param )
771 MainInputManager *mim = (MainInputManager*)param;
773 IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
774 QApplication::postEvent( mim, static_cast<QEvent*>(event) );
778 static int VolumeChanged( vlc_object_t *p_this, const char *psz_var,
779 vlc_value_t oldval, vlc_value_t newval, void *param )
781 MainInputManager *mim = (MainInputManager*)param;
783 IMEvent *event = new IMEvent( VolumeChanged_Type, newval.i_int );
784 QApplication::postEvent( mim, static_cast<QEvent*>(event) );