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;
68 InputManager::~InputManager()
73 /* Define the Input used.
74 Add the callbacks on input
75 p_input is yield once here */
76 void InputManager::setInput( input_thread_t *_p_input )
80 b_had_audio = b_had_video = b_has_audio = b_has_video = false;
83 vlc_object_yield( p_input );
84 emit statusChanged( PLAYING_S );
89 /* delete Input if it ever existed.
90 Delete the callbacls on input
91 p_input is released once here */
92 void InputManager::delInput()
97 vlc_object_release( p_input );
98 i_old_playing_status = END_S;
102 emit positionUpdated( 0.0, 0 ,0 );
103 emit statusChanged( END_S );
104 emit nameChanged( "" );
105 emit artChanged( "" );
110 /* Add the callbacks on Input. Self explanatory */
111 void InputManager::addCallbacks()
113 /* We don't care about:
120 - position, time, length, because they are included in intf-change
122 /* src/input/input.c:1629 */
123 var_AddCallback( p_input, "state", ItemStateChanged, this );
124 /* src/input/es-out.c:550 */
125 var_AddCallback( p_input, "audio-es", ChangeAudio, this );
126 /* src/input/es-out.c:551 */
127 var_AddCallback( p_input, "video-es", ChangeVideo, this );
128 /* src/input/input.c:1765 */
129 var_AddCallback( p_input, "rate", ItemRateChanged, this );
130 /* src/input/input.c:2003 */
131 var_AddCallback( p_input, "title", ItemTitleChanged, this );
132 /* src/input/input.c:734 for timers update*/
133 var_AddCallback( p_input, "intf-change", InterfaceChanged, this );
136 /* Delete the callbacks on Input. Self explanatory */
137 void InputManager::delCallbacks()
139 var_DelCallback( p_input, "audio-es", ChangeAudio, this );
140 var_DelCallback( p_input, "video-es", ChangeVideo, this );
141 var_DelCallback( p_input, "state", ItemStateChanged, this );
142 var_DelCallback( p_input, "rate", ItemRateChanged, this );
143 var_DelCallback( p_input, "title", ItemTitleChanged, this );
144 var_DelCallback( p_input, "intf-change", InterfaceChanged, this );
147 /* Convert the event from the callbacks in actions */
148 void InputManager::customEvent( QEvent *event )
150 int type = event->type();
151 //msg_Dbg( p_intf, "New IM Event of type: %i", type );
152 if ( type != PositionUpdate_Type &&
153 type != ItemChanged_Type &&
154 type != ItemRateChanged_Type &&
155 type != ItemTitleChanged_Type &&
156 type != ItemStateChanged_Type )
159 /* Delete the input */
160 if( !p_input || p_input->b_dead || p_input->b_die )
169 case PositionUpdate_Type:
172 case ItemChanged_Type:
177 case ItemRateChanged_Type:
180 case ItemTitleChanged_Type:
183 case ItemStateChanged_Type:
189 void InputManager::UpdatePosition()
191 /* Update position */
192 int i_length, i_time; /* Int is enough, since we store seconds */
194 i_length = var_GetTime( p_input , "length" ) / 1000000;
195 i_time = var_GetTime( p_input , "time") / 1000000;
196 f_pos = var_GetFloat( p_input , "position" );
197 emit positionUpdated( f_pos, i_time, i_length );
200 void InputManager::UpdateTitle()
202 /* Update navigation status */
203 vlc_value_t val; val.i_int = 0;
204 var_Change( p_input, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
208 var_Change( p_input, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
209 emit navigationChanged( (val.i_int > 0) ? 1 : 2 );
213 emit navigationChanged( 0 );
217 void InputManager::UpdateStatus()
219 /* Update playing status */
220 vlc_value_t val; val.i_int = 0;
221 var_Get( p_input, "state", &val );
222 if( i_old_playing_status != val.i_int )
224 i_old_playing_status = val.i_int;
225 emit statusChanged( val.i_int );
229 void InputManager::UpdateRate()
232 int i_new_rate = var_GetInteger( p_input, "rate");
233 if( i_new_rate != i_rate )
237 emit rateChanged( i_rate );
241 void InputManager::UpdateMeta()
243 /* Update text, name and nowplaying */
246 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
247 if( EMPTY_STR( psz_name ) )
250 psz_name = input_item_GetName( input_GetItem( p_input ) );
253 char *psz_nowplaying =
254 input_item_GetNowPlaying( input_GetItem( p_input ) );
255 if( !EMPTY_STR( psz_nowplaying ) )
257 text.sprintf( "%s - %s", psz_nowplaying, psz_name );
261 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
262 if( !EMPTY_STR( psz_artist ) )
264 text.sprintf( "%s - %s", psz_artist, psz_name );
268 text.sprintf( "%s", psz_name );
273 free( psz_nowplaying );
275 if( old_name != text )
277 emit nameChanged( text );
281 /* Has Audio, has Video Tracks ? */
283 var_Change( p_input, "audio-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
284 b_has_audio = val.i_int > 0;
285 var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
286 b_has_video = val.i_int > 0;
288 /* Update ZVBI status */
290 /* Update teletext status*/
291 emit teletextEnabled( true );/* FIXME */
297 /* Update Art meta */
299 char *psz_art = input_item_GetArtURL( input_GetItem( p_input ) );
300 url.sprintf("%s", psz_art );
304 artUrl = url.replace( "file://",QString("" ) );
305 emit artChanged( artUrl );
306 msg_Dbg( p_intf, "Art: %s", qtu( artUrl ) );
310 /* User update of the slider */
311 void InputManager::sliderUpdate( float new_pos )
314 var_SetFloat( p_input, "position", new_pos );
317 /* User togglePlayPause */
318 void InputManager::togglePlayPause()
321 var_Get( p_input, "state", &state );
322 state.i_int = ( state.i_int != PLAYING_S ) ? PLAYING_S : PAUSE_S;
323 var_Set( p_input, "state", state );
324 emit statusChanged( state.i_int );
327 void InputManager::sectionPrev()
331 int i_type = var_Type( p_input, "next-chapter" );
332 vlc_value_t val; val.b_bool = VLC_TRUE;
333 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
334 "prev-chapter":"prev-title", val );
338 void InputManager::sectionNext()
342 int i_type = var_Type( p_input, "next-chapter" );
343 vlc_value_t val; val.b_bool = VLC_TRUE;
344 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
345 "next-chapter":"next-title", val );
349 void InputManager::sectionMenu()
352 var_SetInteger( p_input, "title 0", 2 );
356 void InputManager::telexGotoPage( int page )
361 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
362 "zvbi", FIND_ANYWHERE );
365 var_SetInteger( p_vbi, "vbi-page", page );
366 vlc_object_release( p_vbi );
371 void InputManager::telexToggle( bool b_enabled )
377 telexGotoPage( i_page );
380 void InputManager::telexSetTransparency( bool b_transp )
385 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
386 "zvbi", FIND_ANYWHERE );
389 var_SetBool( p_input->p_libvlc, "vbi-opaque", b_transp );
390 vlc_object_release( p_vbi );
396 void InputManager::slower()
399 var_SetVoid( p_input, "rate-slower" );
402 void InputManager::faster()
405 var_SetVoid( p_input, "rate-faster" );
408 void InputManager::normalRate()
411 var_SetInteger( p_input, "rate", INPUT_RATE_DEFAULT );
414 void InputManager::setRate( int new_rate )
417 var_SetInteger( p_input, "rate", new_rate );
420 /**********************************************************************
421 * MainInputManager implementation. Wrap an input manager and
422 * take care of updating the main playlist input.
423 * Used in the main playlist Dialog
424 **********************************************************************/
425 MainInputManager * MainInputManager::instance = NULL;
427 MainInputManager::MainInputManager( intf_thread_t *_p_intf )
428 : QObject(NULL), p_intf( _p_intf )
431 im = new InputManager( this, p_intf );
433 var_AddCallback( THEPL, "item-change", PLItemChanged, this );
434 var_AddCallback( THEPL, "playlist-current", PLItemChanged, this );
435 var_AddCallback( THEPL, "activity", PLItemChanged, this );
437 var_AddCallback( THEPL, "playlist-current", ItemChanged, im );
439 var_AddCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
441 // No necessary, I think TODO REMOVE ME at the end
442 //var_AddCallback( THEPL, "intf-change", ItemChanged, im );
444 /* Warn our embedded IM about input changes */
445 CONNECT( this, inputChanged( input_thread_t * ),
446 im, setInput( input_thread_t * ) );
449 MainInputManager::~MainInputManager()
453 emit inputChanged( NULL );
456 var_DelCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
458 var_DelCallback( THEPL, "playlist-current", PLItemChanged, this );
459 var_DelCallback( THEPL, "activity", PLItemChanged, this );
460 var_DelCallback( THEPL, "item-change", PLItemChanged, this );
462 var_DelCallback( THEPL, "playlist-current", ItemChanged, im );
465 void MainInputManager::customEvent( QEvent *event )
467 int type = event->type();
468 //msg_Dbg( p_intf, "New MainIM Event of type: %i", type );
469 if ( type != ItemChanged_Type && type != VolumeChanged_Type )
472 if( type == VolumeChanged_Type )
474 emit volumeChanged();
478 /* Should be PLItemChanged Event */
479 if( VLC_OBJECT_INTF == p_intf->i_object_type )
481 vlc_mutex_lock( &p_intf->change_lock );
482 if( p_input && ( p_input->b_dead || p_input->b_die ) )
485 emit inputChanged( NULL );
492 p_input = THEPL->p_input;
493 if( p_input && !( p_input->b_die || p_input->b_dead) )
495 emit inputChanged( p_input );
501 vlc_mutex_unlock( &p_intf->change_lock );
505 /* we are working as a dialogs provider */
506 playlist_t *p_playlist = (playlist_t *) vlc_object_find( p_intf,
507 VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
510 p_input = p_playlist->p_input;
511 emit inputChanged( p_input );
516 /* Playlist Control functions */
517 void MainInputManager::stop()
519 playlist_Stop( THEPL );
522 void MainInputManager::next()
524 playlist_Next( THEPL );
527 void MainInputManager::prev()
529 playlist_Prev( THEPL );
532 void MainInputManager::togglePlayPause()
534 if( p_input == NULL )
536 playlist_Play( THEPL );
539 getIM()->togglePlayPause();
542 /* Static callbacks */
545 static int InterfaceChanged( vlc_object_t *p_this, const char *psz_var,
546 vlc_value_t oldval, vlc_value_t newval, void *param )
548 static int counter = 0;
549 InputManager *im = (InputManager*)param;
551 counter = counter++ % 4;
554 IMEvent *event = new IMEvent( PositionUpdate_Type, 0 );
555 QApplication::postEvent( im, static_cast<QEvent*>(event) );
559 static int ItemStateChanged( vlc_object_t *p_this, const char *psz_var,
560 vlc_value_t oldval, vlc_value_t newval, void *param )
562 InputManager *im = (InputManager*)param;
564 IMEvent *event = new IMEvent( ItemStateChanged_Type, 0 );
565 QApplication::postEvent( im, static_cast<QEvent*>(event) );
569 static int ItemRateChanged( vlc_object_t *p_this, const char *psz_var,
570 vlc_value_t oldval, vlc_value_t newval, void *param )
572 InputManager *im = (InputManager*)param;
574 IMEvent *event = new IMEvent( ItemRateChanged_Type, 0 );
575 QApplication::postEvent( im, static_cast<QEvent*>(event) );
579 static int ItemTitleChanged( vlc_object_t *p_this, const char *psz_var,
580 vlc_value_t oldval, vlc_value_t newval, void *param )
582 InputManager *im = (InputManager*)param;
584 IMEvent *event = new IMEvent( ItemTitleChanged_Type, 0 );
585 QApplication::postEvent( im, static_cast<QEvent*>(event) );
589 static int ItemChanged( vlc_object_t *p_this, const char *psz_var,
590 vlc_value_t oldval, vlc_value_t newval, void *param )
592 InputManager *im = (InputManager*)param;
594 IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
595 QApplication::postEvent( im, static_cast<QEvent*>(event) );
600 static int ChangeAudio( vlc_object_t *p_this, const char *var, vlc_value_t o,
601 vlc_value_t n, void *param )
603 InputManager *im = (InputManager*)param;
604 im->b_has_audio = true;
608 static int ChangeVideo( vlc_object_t *p_this, const char *var, vlc_value_t o,
609 vlc_value_t n, void *param )
611 InputManager *im = (InputManager*)param;
612 im->b_has_video = true;
617 static int PLItemChanged( vlc_object_t *p_this, const char *psz_var,
618 vlc_value_t oldval, vlc_value_t newval, void *param )
620 MainInputManager *mim = (MainInputManager*)param;
622 IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
623 QApplication::postEvent( mim, static_cast<QEvent*>(event) );
627 static int VolumeChanged( vlc_object_t *p_this, const char *psz_var,
628 vlc_value_t oldval, vlc_value_t newval, void *param )
630 MainInputManager *mim = (MainInputManager*)param;
632 IMEvent *event = new IMEvent( VolumeChanged_Type, newval.i_int );
633 QApplication::postEvent( mim, static_cast<QEvent*>(event) );