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:
178 case ItemRateChanged_Type:
181 case ItemTitleChanged_Type:
184 case ItemStateChanged_Type:
191 void InputManager::UpdatePosition()
193 /* Update position */
194 int i_length, i_time; /* Int is enough, since we store seconds */
196 i_length = var_GetTime( p_input , "length" ) / 1000000;
197 i_time = var_GetTime( p_input , "time") / 1000000;
198 f_pos = var_GetFloat( p_input , "position" );
199 emit positionUpdated( f_pos, i_time, i_length );
202 void InputManager::UpdateTitle()
204 /* Update navigation status */
205 vlc_value_t val; val.i_int = 0;
206 var_Change( p_input, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
210 var_Change( p_input, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
211 emit navigationChanged( (val.i_int > 0) ? 1 : 2 );
215 emit navigationChanged( 0 );
219 void InputManager::UpdateStatus()
221 /* Update playing status */
222 vlc_value_t val; val.i_int = 0;
223 var_Get( p_input, "state", &val );
224 if( i_old_playing_status != val.i_int )
226 i_old_playing_status = val.i_int;
227 emit statusChanged( val.i_int );
231 void InputManager::UpdateRate()
234 int i_new_rate = var_GetInteger( p_input, "rate");
235 if( i_new_rate != i_rate )
239 emit rateChanged( i_rate );
243 void InputManager::UpdateMeta()
245 /* Update text, name and nowplaying */
248 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
249 if( EMPTY_STR( psz_name ) )
252 psz_name = input_item_GetName( input_GetItem( p_input ) );
255 char *psz_nowplaying =
256 input_item_GetNowPlaying( input_GetItem( p_input ) );
257 if( !EMPTY_STR( psz_nowplaying ) )
259 text.sprintf( "%s - %s", psz_nowplaying, psz_name );
263 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
264 if( !EMPTY_STR( psz_artist ) )
266 text.sprintf( "%s - %s", psz_artist, psz_name );
270 text.sprintf( "%s", psz_name );
275 free( psz_nowplaying );
277 if( old_name != text )
279 emit nameChanged( text );
284 void InputManager::UpdateTracks()
286 /* Has Audio, has Video Tracks ? */
288 var_Change( p_input, "audio-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
289 b_has_audio = val.i_int > 0;
290 var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
291 b_has_video = val.i_int > 0;
293 /* Update ZVBI status */
295 /* Update teletext status*/
296 emit teletextEnabled( true );/* FIXME */
300 void InputManager::UpdateArt()
302 /* Update Art meta */
304 char *psz_art = input_item_GetArtURL( input_GetItem( p_input ) );
305 url.sprintf("%s", psz_art );
309 artUrl = url.replace( "file://",QString("" ) );
310 /* Taglib seems to define a attachment://, It won't work yet */
311 artUrl = url.replace( "attachment://",QString("" ) );
312 emit artChanged( artUrl );
313 msg_Dbg( p_intf, "Art: %s", qtu( artUrl ) );
317 /* User update of the slider */
318 void InputManager::sliderUpdate( float new_pos )
321 var_SetFloat( p_input, "position", new_pos );
324 /* User togglePlayPause */
325 void InputManager::togglePlayPause()
328 var_Get( p_input, "state", &state );
329 state.i_int = ( state.i_int != PLAYING_S ) ? PLAYING_S : PAUSE_S;
330 var_Set( p_input, "state", state );
331 emit statusChanged( state.i_int );
334 void InputManager::sectionPrev()
338 int i_type = var_Type( p_input, "next-chapter" );
339 vlc_value_t val; val.b_bool = VLC_TRUE;
340 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
341 "prev-chapter":"prev-title", val );
345 void InputManager::sectionNext()
349 int i_type = var_Type( p_input, "next-chapter" );
350 vlc_value_t val; val.b_bool = VLC_TRUE;
351 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
352 "next-chapter":"next-title", val );
356 void InputManager::sectionMenu()
359 var_SetInteger( p_input, "title 0", 2 );
363 void InputManager::telexGotoPage( int page )
368 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
369 "zvbi", FIND_ANYWHERE );
372 var_SetInteger( p_vbi, "vbi-page", page );
373 vlc_object_release( p_vbi );
378 void InputManager::telexToggle( bool b_enabled )
384 telexGotoPage( i_page );
387 void InputManager::telexSetTransparency( bool b_transp )
392 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
393 "zvbi", FIND_ANYWHERE );
396 var_SetBool( p_input->p_libvlc, "vbi-opaque", b_transp );
397 vlc_object_release( p_vbi );
403 void InputManager::slower()
406 var_SetVoid( p_input, "rate-slower" );
409 void InputManager::faster()
412 var_SetVoid( p_input, "rate-faster" );
415 void InputManager::normalRate()
418 var_SetInteger( p_input, "rate", INPUT_RATE_DEFAULT );
421 void InputManager::setRate( int new_rate )
424 var_SetInteger( p_input, "rate", new_rate );
427 /**********************************************************************
428 * MainInputManager implementation. Wrap an input manager and
429 * take care of updating the main playlist input.
430 * Used in the main playlist Dialog
431 **********************************************************************/
432 MainInputManager * MainInputManager::instance = NULL;
434 MainInputManager::MainInputManager( intf_thread_t *_p_intf )
435 : QObject(NULL), p_intf( _p_intf )
438 im = new InputManager( this, p_intf );
440 var_AddCallback( THEPL, "item-change", PLItemChanged, this );
441 var_AddCallback( THEPL, "playlist-current", PLItemChanged, this );
442 var_AddCallback( THEPL, "activity", PLItemChanged, this );
444 var_AddCallback( THEPL, "playlist-current", ItemChanged, im );
446 var_AddCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
448 // No necessary, I think TODO REMOVE ME at the end
449 //var_AddCallback( THEPL, "intf-change", ItemChanged, im );
451 /* Warn our embedded IM about input changes */
452 CONNECT( this, inputChanged( input_thread_t * ),
453 im, setInput( input_thread_t * ) );
456 MainInputManager::~MainInputManager()
460 emit inputChanged( NULL );
463 var_DelCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
465 var_DelCallback( THEPL, "playlist-current", PLItemChanged, this );
466 var_DelCallback( THEPL, "activity", PLItemChanged, this );
467 var_DelCallback( THEPL, "item-change", PLItemChanged, this );
469 var_DelCallback( THEPL, "playlist-current", ItemChanged, im );
472 void MainInputManager::customEvent( QEvent *event )
474 int type = event->type();
475 //msg_Dbg( p_intf, "New MainIM Event of type: %i", type );
476 if ( type != ItemChanged_Type && type != VolumeChanged_Type )
479 if( type == VolumeChanged_Type )
481 emit volumeChanged();
485 /* Should be PLItemChanged Event */
486 if( VLC_OBJECT_INTF == p_intf->i_object_type )
488 vlc_mutex_lock( &p_intf->change_lock );
489 if( p_input && ( p_input->b_dead || p_input->b_die ) )
492 emit inputChanged( NULL );
499 p_input = THEPL->p_input;
500 if( p_input && !( p_input->b_die || p_input->b_dead) )
502 emit inputChanged( p_input );
508 vlc_mutex_unlock( &p_intf->change_lock );
512 /* we are working as a dialogs provider */
513 playlist_t *p_playlist = (playlist_t *) vlc_object_find( p_intf,
514 VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
517 p_input = p_playlist->p_input;
518 emit inputChanged( p_input );
523 /* Playlist Control functions */
524 void MainInputManager::stop()
526 playlist_Stop( THEPL );
529 void MainInputManager::next()
531 playlist_Next( THEPL );
534 void MainInputManager::prev()
536 playlist_Prev( THEPL );
539 void MainInputManager::togglePlayPause()
541 if( p_input == NULL )
543 playlist_Play( THEPL );
546 getIM()->togglePlayPause();
549 /* Static callbacks */
552 static int InterfaceChanged( vlc_object_t *p_this, const char *psz_var,
553 vlc_value_t oldval, vlc_value_t newval, void *param )
555 static int counter = 0;
556 InputManager *im = (InputManager*)param;
558 counter = counter++ % 4;
561 IMEvent *event = new IMEvent( PositionUpdate_Type, 0 );
562 QApplication::postEvent( im, static_cast<QEvent*>(event) );
566 static int ItemStateChanged( vlc_object_t *p_this, const char *psz_var,
567 vlc_value_t oldval, vlc_value_t newval, void *param )
569 InputManager *im = (InputManager*)param;
571 IMEvent *event = new IMEvent( ItemStateChanged_Type, 0 );
572 QApplication::postEvent( im, static_cast<QEvent*>(event) );
576 static int ItemRateChanged( vlc_object_t *p_this, const char *psz_var,
577 vlc_value_t oldval, vlc_value_t newval, void *param )
579 InputManager *im = (InputManager*)param;
581 IMEvent *event = new IMEvent( ItemRateChanged_Type, 0 );
582 QApplication::postEvent( im, static_cast<QEvent*>(event) );
586 static int ItemTitleChanged( vlc_object_t *p_this, const char *psz_var,
587 vlc_value_t oldval, vlc_value_t newval, void *param )
589 InputManager *im = (InputManager*)param;
591 IMEvent *event = new IMEvent( ItemTitleChanged_Type, 0 );
592 QApplication::postEvent( im, static_cast<QEvent*>(event) );
596 static int ItemChanged( vlc_object_t *p_this, const char *psz_var,
597 vlc_value_t oldval, vlc_value_t newval, void *param )
599 InputManager *im = (InputManager*)param;
601 IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
602 QApplication::postEvent( im, static_cast<QEvent*>(event) );
607 static int ChangeAudio( vlc_object_t *p_this, const char *var, vlc_value_t o,
608 vlc_value_t n, void *param )
610 InputManager *im = (InputManager*)param;
611 im->b_has_audio = true;
615 static int ChangeVideo( vlc_object_t *p_this, const char *var, vlc_value_t o,
616 vlc_value_t n, void *param )
618 InputManager *im = (InputManager*)param;
619 im->b_has_video = true;
624 static int PLItemChanged( vlc_object_t *p_this, const char *psz_var,
625 vlc_value_t oldval, vlc_value_t newval, void *param )
627 MainInputManager *mim = (MainInputManager*)param;
629 IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
630 QApplication::postEvent( mim, static_cast<QEvent*>(event) );
634 static int VolumeChanged( vlc_object_t *p_this, const char *psz_var,
635 vlc_value_t oldval, vlc_value_t newval, void *param )
637 MainInputManager *mim = (MainInputManager*)param;
639 IMEvent *event = new IMEvent( VolumeChanged_Type, newval.i_int );
640 QApplication::postEvent( mim, static_cast<QEvent*>(event) );