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 && type != ItemRateChanged_Type ) &&
178 ( i_input_id != ple->i_id ) )
181 if( type != PositionUpdate_Type )
182 msg_Dbg( p_intf, "New Event: type %i", type );
187 case PositionUpdate_Type:
190 case ItemChanged_Type:
197 case ItemRateChanged_Type:
200 case ItemTitleChanged_Type:
204 case ItemStateChanged_Type:
211 void InputManager::UpdatePosition()
213 /* Update position */
214 int i_length, i_time; /* Int is enough, since we store seconds */
216 i_length = var_GetTime( p_input , "length" ) / 1000000;
217 i_time = var_GetTime( p_input , "time") / 1000000;
218 f_pos = var_GetFloat( p_input , "position" );
219 emit positionUpdated( f_pos, i_time, i_length );
222 void InputManager::UpdateNavigation()
224 /* Update navigation status */
225 vlc_value_t val; val.i_int = 0;
226 var_Change( p_input, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
230 var_Change( p_input, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
231 emit navigationChanged( (val.i_int > 0) ? 1 : 2 );
235 emit navigationChanged( 0 );
239 void InputManager::UpdateStatus()
241 /* Update playing status */
242 vlc_value_t val; val.i_int = 0;
243 var_Get( p_input, "state", &val );
244 if( i_old_playing_status != val.i_int )
246 i_old_playing_status = val.i_int;
247 emit statusChanged( val.i_int );
251 void InputManager::UpdateRate()
254 int i_new_rate = var_GetInteger( p_input, "rate");
255 if( i_new_rate != i_rate )
259 emit rateChanged( i_rate );
263 void InputManager::UpdateMeta()
265 /* Update text, name and nowplaying */
268 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
269 if( EMPTY_STR( psz_name ) )
272 psz_name = input_item_GetName( input_GetItem( p_input ) );
275 char *psz_nowplaying =
276 input_item_GetNowPlaying( input_GetItem( p_input ) );
277 if( !EMPTY_STR( psz_nowplaying ) )
279 text.sprintf( "%s - %s", psz_nowplaying, psz_name );
283 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
284 if( !EMPTY_STR( psz_artist ) )
286 text.sprintf( "%s - %s", psz_artist, psz_name );
290 text.sprintf( "%s", psz_name );
295 free( psz_nowplaying );
297 if( old_name != text )
299 emit nameChanged( text );
304 void InputManager::UpdateTracks()
306 /* Has Audio, has Video Tracks ? */
308 var_Change( p_input, "audio-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
309 b_has_audio = val.i_int > 0;
310 var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
311 b_has_video = val.i_int > 0;
313 msg_Dbg( p_input, "I have audio-video: %i %i", b_has_audio, b_has_video );
315 /* Update ZVBI status */
317 /* Update teletext status*/
318 emit teletextEnabled( true );/* FIXME */
322 void InputManager::UpdateArt()
324 /* Update Art meta */
326 char *psz_art = input_item_GetArtURL( input_GetItem( p_input ) );
327 url.sprintf("%s", psz_art );
331 artUrl = url.replace( "file://",QString("" ) );
332 /* Taglib seems to define a attachment://, It won't work yet */
333 artUrl = url.replace( "attachment://",QString("" ) );
334 emit artChanged( artUrl );
335 msg_Dbg( p_intf, "Art: %s", qtu( artUrl ) );
339 /* User update of the slider */
340 void InputManager::sliderUpdate( float new_pos )
343 var_SetFloat( p_input, "position", new_pos );
346 /* User togglePlayPause */
347 void InputManager::togglePlayPause()
350 var_Get( p_input, "state", &state );
351 state.i_int = ( state.i_int != PLAYING_S ) ? PLAYING_S : PAUSE_S;
352 var_Set( p_input, "state", state );
353 emit statusChanged( state.i_int );
356 void InputManager::sectionPrev()
360 int i_type = var_Type( p_input, "next-chapter" );
361 vlc_value_t val; val.b_bool = VLC_TRUE;
362 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
363 "prev-chapter":"prev-title", val );
367 void InputManager::sectionNext()
371 int i_type = var_Type( p_input, "next-chapter" );
372 vlc_value_t val; val.b_bool = VLC_TRUE;
373 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
374 "next-chapter":"next-title", val );
378 void InputManager::sectionMenu()
381 var_SetInteger( p_input, "title 0", 2 );
385 void InputManager::telexGotoPage( int page )
390 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
391 "zvbi", FIND_ANYWHERE );
394 var_SetInteger( p_vbi, "vbi-page", page );
395 vlc_object_release( p_vbi );
400 void InputManager::telexToggle( bool b_enabled )
402 int i_page = b_enabled ? 100 : 0 ;
404 telexGotoPage( i_page );
407 void InputManager::telexSetTransparency( bool b_transp )
412 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
413 "zvbi", FIND_ANYWHERE );
416 var_SetBool( p_input->p_libvlc, "vbi-opaque", b_transp );
417 vlc_object_release( p_vbi );
423 void InputManager::slower()
426 var_SetVoid( p_input, "rate-slower" );
429 void InputManager::faster()
432 var_SetVoid( p_input, "rate-faster" );
435 void InputManager::normalRate()
438 var_SetInteger( p_input, "rate", INPUT_RATE_DEFAULT );
441 void InputManager::setRate( int new_rate )
444 var_SetInteger( p_input, "rate", new_rate );
447 /**********************************************************************
448 * MainInputManager implementation. Wrap an input manager and
449 * take care of updating the main playlist input.
450 * Used in the main playlist Dialog
451 **********************************************************************/
452 MainInputManager * MainInputManager::instance = NULL;
454 MainInputManager::MainInputManager( intf_thread_t *_p_intf )
455 : QObject(NULL), p_intf( _p_intf )
458 im = new InputManager( this, p_intf );
460 // var_AddCallback( THEPL, "item-change", PLItemChanged, this );
461 var_AddCallback( THEPL, "item-change", ItemChanged, im );
462 var_AddCallback( THEPL, "playlist-current", PLItemChanged, this );
463 var_AddCallback( THEPL, "activity", PLItemChanged, this );
465 var_AddCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
467 // No necessary, I think TODO REMOVE ME at the end
468 //var_AddCallback( THEPL, "intf-change", ItemChanged, im );
470 /* Warn our embedded IM about input changes */
471 CONNECT( this, inputChanged( input_thread_t * ),
472 im, setInput( input_thread_t * ) );
475 MainInputManager::~MainInputManager()
479 var_DelCallback( p_input, "state", PLItemChanged, this );
480 vlc_object_release( p_input );
481 emit inputChanged( NULL );
484 var_DelCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
486 var_DelCallback( THEPL, "activity", PLItemChanged, this );
487 var_DelCallback( THEPL, "item-change", ItemChanged, im );
488 // var_DelCallback( THEPL, "item-change", PLItemChanged, this );
490 var_DelCallback( THEPL, "playlist-current", PLItemChanged, this );
493 void MainInputManager::customEvent( QEvent *event )
495 int type = event->type();
496 if ( type != ItemChanged_Type && type != VolumeChanged_Type )
499 // msg_Dbg( p_intf, "New MainIM Event of type: %i", type );
500 if( type == VolumeChanged_Type )
502 emit volumeChanged();
506 /* Should be PLItemChanged Event */
507 if( VLC_OBJECT_INTF == p_intf->i_object_type )
509 vlc_mutex_lock( &p_intf->change_lock );
510 if( p_input && ( p_input->b_dead || p_input->b_die ) )
512 var_DelCallback( p_input, "state", PLItemChanged, this );
513 vlc_object_release( p_input );
514 emit inputChanged( NULL );
516 vlc_mutex_unlock( &p_intf->change_lock );
523 p_input = THEPL->p_input;
524 if( p_input && !( p_input->b_die || p_input->b_dead) )
526 vlc_object_yield( p_input );
527 var_AddCallback( p_input, "state", PLItemChanged, this );
528 emit inputChanged( p_input );
534 vlc_mutex_unlock( &p_intf->change_lock );
538 /* we are working as a dialogs provider */
539 playlist_t *p_playlist = (playlist_t *) vlc_object_find( p_intf,
540 VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
543 p_input = p_playlist->p_input;
544 emit inputChanged( p_input );
549 /* Playlist Control functions */
550 void MainInputManager::stop()
552 playlist_Stop( THEPL );
555 void MainInputManager::next()
557 playlist_Next( THEPL );
560 void MainInputManager::prev()
562 playlist_Prev( THEPL );
565 void MainInputManager::togglePlayPause()
567 if( p_input == NULL )
569 playlist_Play( THEPL );
572 getIM()->togglePlayPause();
575 /* Static callbacks */
578 static int InterfaceChanged( vlc_object_t *p_this, const char *psz_var,
579 vlc_value_t oldval, vlc_value_t newval, void *param )
581 static int counter = 0;
582 InputManager *im = (InputManager*)param;
584 counter = counter++ % 4;
587 IMEvent *event = new IMEvent( PositionUpdate_Type, 0 );
588 QApplication::postEvent( im, static_cast<QEvent*>(event) );
592 static int ItemStateChanged( vlc_object_t *p_this, const char *psz_var,
593 vlc_value_t oldval, vlc_value_t newval, void *param )
595 InputManager *im = (InputManager*)param;
597 IMEvent *event = new IMEvent( ItemStateChanged_Type, 0 );
598 QApplication::postEvent( im, static_cast<QEvent*>(event) );
602 static int ItemRateChanged( vlc_object_t *p_this, const char *psz_var,
603 vlc_value_t oldval, vlc_value_t newval, void *param )
605 InputManager *im = (InputManager*)param;
607 IMEvent *event = new IMEvent( ItemRateChanged_Type, 0 );
608 QApplication::postEvent( im, static_cast<QEvent*>(event) );
612 static int ItemTitleChanged( vlc_object_t *p_this, const char *psz_var,
613 vlc_value_t oldval, vlc_value_t newval, void *param )
615 InputManager *im = (InputManager*)param;
617 IMEvent *event = new IMEvent( ItemTitleChanged_Type, 0 );
618 QApplication::postEvent( im, static_cast<QEvent*>(event) );
622 static int ItemChanged( vlc_object_t *p_this, const char *psz_var,
623 vlc_value_t oldval, vlc_value_t newval, void *param )
625 InputManager *im = (InputManager*)param;
627 IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
628 QApplication::postEvent( im, static_cast<QEvent*>(event) );
633 static int ChangeAudio( vlc_object_t *p_this, const char *var, vlc_value_t o,
634 vlc_value_t n, void *param )
636 InputManager *im = (InputManager*)param;
637 im->b_has_audio = true;
641 static int ChangeVideo( vlc_object_t *p_this, const char *var, vlc_value_t o,
642 vlc_value_t n, void *param )
644 InputManager *im = (InputManager*)param;
645 im->b_has_video = true;
650 static int PLItemChanged( vlc_object_t *p_this, const char *psz_var,
651 vlc_value_t oldval, vlc_value_t newval, void *param )
653 MainInputManager *mim = (MainInputManager*)param;
655 IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
656 QApplication::postEvent( mim, static_cast<QEvent*>(event) );
660 static int VolumeChanged( vlc_object_t *p_this, const char *psz_var,
661 vlc_value_t oldval, vlc_value_t newval, void *param )
663 MainInputManager *mim = (MainInputManager*)param;
665 IMEvent *event = new IMEvent( VolumeChanged_Type, newval.i_int );
666 QApplication::postEvent( mim, static_cast<QEvent*>(event) );