1 /*****************************************************************************
2 * input_manager.cpp : Manage an input and interact with its GUI elements
3 ****************************************************************************
4 * Copyright (C) 2006-2007 the VideoLAN team
7 * Authors: Clément Stenac <zorglub@videolan.org>
8 * Ilkka Ollakka <ileoo@videolan.org>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23 *****************************************************************************/
29 #include "input_manager.hpp"
30 #include "dialogs_provider.hpp"
32 static int ChangeVideo( vlc_object_t *p_this, const char *var, vlc_value_t o,
33 vlc_value_t n, void *param );
34 static int ChangeAudio( vlc_object_t *p_this, const char *var, vlc_value_t o,
35 vlc_value_t n, void *param );
36 static int ItemChanged( vlc_object_t *, const char *,
37 vlc_value_t, vlc_value_t, void * );
38 static int InterfaceChanged( vlc_object_t *, const char *,
39 vlc_value_t, vlc_value_t, void * );
40 static int ItemStateChanged( vlc_object_t *, const char *,
41 vlc_value_t, vlc_value_t, void * );
42 static int ItemRateChanged( vlc_object_t *, const char *,
43 vlc_value_t, vlc_value_t, void * );
44 static int ItemTitleChanged( vlc_object_t *, const char *,
45 vlc_value_t, vlc_value_t, void * );
46 static int VolumeChanged( vlc_object_t *, const char *,
47 vlc_value_t, vlc_value_t, void * );
49 /**********************************************************************
50 * InputManager implementation
51 **********************************************************************/
53 InputManager::InputManager( QObject *parent, intf_thread_t *_p_intf) :
54 QObject( parent ), p_intf( _p_intf )
56 i_old_playing_status = END_S;
62 InputManager::~InputManager()
67 void InputManager::setInput( input_thread_t *_p_input )
71 b_had_audio = b_had_video = b_has_audio = b_has_video = false;
74 vlc_object_yield( p_input );
76 var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
77 b_has_video = val.i_int > 0;
78 var_Change( p_input, "audio-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
79 b_has_audio = val.i_int > 0;
80 emit statusChanged( PLAYING_S );
85 void InputManager::delInput()
90 vlc_object_release( p_input );
93 i_old_playing_status = END_S;
96 emit positionUpdated( 0.0, 0 ,0 );
97 emit statusChanged( END_S );
98 emit nameChanged( "" );
99 emit artChanged( "" );
102 void InputManager::addCallbacks( void )
104 /* src/input/input.c:1629 */
105 var_AddCallback( p_input, "state", ItemStateChanged, this );
106 var_AddCallback( p_input, "audio-es", ChangeAudio, this );
107 var_AddCallback( p_input, "video-es", ChangeVideo, this );
108 /* src/input/input.c:1765 */
109 var_AddCallback( p_input, "rate", ItemRateChanged, this );
110 /* src/input/input.c:2003 */
111 var_AddCallback( p_input, "title", ItemTitleChanged, this );
112 /* src/input/input.c:734 for timers update*/
113 var_AddCallback( p_input, "intf-change", InterfaceChanged, this );
116 void InputManager::delCallbacks( void )
118 var_DelCallback( p_input, "audio-es", ChangeAudio, this );
119 var_DelCallback( p_input, "video-es", ChangeVideo, this );
120 var_DelCallback( p_input, "state", ItemStateChanged, this );
121 var_DelCallback( p_input, "rate", ItemRateChanged, this );
122 var_DelCallback( p_input, "title", ItemTitleChanged, this );
123 var_DelCallback( p_input, "intf-change", InterfaceChanged, this );
126 void InputManager::customEvent( QEvent *event )
128 int type = event->type();
129 if ( type != PositionUpdate_Type && type != ItemChanged_Type &&
130 type != ItemRateChanged_Type && type != ItemTitleChanged_Type &&
131 type != ItemStateChanged_Type )
134 if( !p_input || p_input->b_dead || p_input->b_die )
140 IMEvent *ime = static_cast<IMEvent *>(event);
142 if ( type == PositionUpdate_Type )
146 else if ( type == ItemChanged_Type )
151 else if ( type == ItemRateChanged_Type )
155 else if ( type == ItemTitleChanged_Type )
159 else if (type == ItemStateChanged_Type )
165 void InputManager::UpdatePosition( void )
167 /* Update position */
168 int i_length, i_time; /* Int is enough, since we store seconds */
170 i_length = var_GetTime( p_input , "length" ) / 1000000;
171 i_time = var_GetTime( p_input , "time") / 1000000;
172 f_pos = var_GetFloat( p_input , "position" );
173 emit positionUpdated( f_pos, i_time, i_length );
176 void InputManager::UpdateTitle( void )
178 /* Update navigation status */
179 vlc_value_t val; val.i_int = 0;
180 var_Change( p_input, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
181 msg_Dbg( p_intf, "updateTitle called" );
185 var_Change( p_input, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
186 emit navigationChanged( (val.i_int > 0) ? 1 : 2 );
190 emit navigationChanged( 0 );
194 void InputManager::UpdateStatus( void )
196 /* Update playing status */
197 vlc_value_t val; val.i_int = 0;
198 var_Get( p_input, "state", &val );
199 if( i_old_playing_status != val.i_int )
201 i_old_playing_status = val.i_int;
202 emit statusChanged( val.i_int );
206 void InputManager::UpdateRate( void )
209 int i_new_rate = var_GetInteger( p_input, "rate");
210 if( i_new_rate != i_rate )
214 emit rateChanged( i_rate );
218 void InputManager::UpdateMeta( void )
222 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
223 char *psz_nowplaying =
224 input_item_GetNowPlaying( input_GetItem( p_input ) );
225 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
226 if( EMPTY_STR( psz_name ) )
229 psz_name = input_item_GetName( input_GetItem( p_input ) );
231 if( !EMPTY_STR( psz_nowplaying ) )
233 text.sprintf( "%s - %s", psz_nowplaying, psz_name );
235 else if( !EMPTY_STR( psz_artist ) )
237 text.sprintf( "%s - %s", psz_artist, psz_name );
241 text.sprintf( "%s", psz_name );
244 free( psz_nowplaying );
246 if( old_name != text )
248 emit nameChanged( text );
253 char *psz_art = input_item_GetArtURL( input_GetItem( p_input ) );
254 url.sprintf("%s", psz_art );
258 artUrl = url.replace( "file://",QString("" ) );
259 emit artChanged( artUrl );
262 /* Update teletext status*/
263 emit teletextEnabled( true );/* FIXME */
268 void InputManager::sliderUpdate( float new_pos )
270 if( hasInput() ) var_SetFloat( p_input, "position", new_pos );
273 void InputManager::togglePlayPause()
276 var_Get( p_input, "state", &state );
277 state.i_int = ( ( state.i_int != PLAYING_S ) ? PLAYING_S : PAUSE_S );
278 msg_Dbg( p_input, "state : %d", state.i_int );
280 /* A stream is being played, pause it */
281 /* state.i_int = PAUSE_S;
285 /* Stream is paused, resume it */
286 /*state.i_int = PLAYING_S;
288 var_Set( p_input, "state", state );
289 emit statusChanged( state.i_int );
292 void InputManager::sectionPrev()
296 int i_type = var_Type( p_input, "next-chapter" );
297 vlc_value_t val; val.b_bool = VLC_TRUE;
298 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
299 "prev-chapter":"prev-title", val );
303 void InputManager::sectionNext()
307 int i_type = var_Type( p_input, "next-chapter" );
308 vlc_value_t val; val.b_bool = VLC_TRUE;
309 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
310 "next-chapter":"next-title", val );
314 void InputManager::sectionMenu()
317 var_SetInteger( p_input, "title 0", 2 );
321 void InputManager::telexGotoPage( int page )
326 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
327 "zvbi", FIND_ANYWHERE );
330 var_SetInteger( p_vbi, "vbi-page", page );
331 vlc_object_release( p_vbi );
336 void InputManager::telexToggle( bool b_enabled )
342 telexGotoPage( i_page );
345 void InputManager::telexSetTransparency( bool b_transp )
350 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
351 "zvbi", FIND_ANYWHERE );
354 var_SetBool( p_input->p_libvlc, "vbi-opaque", b_transp );
355 vlc_object_release( p_vbi );
361 void InputManager::slower()
364 var_SetVoid( p_input, "rate-slower" );
367 void InputManager::faster()
370 var_SetVoid( p_input, "rate-faster" );
373 void InputManager::normalRate()
376 var_SetInteger( p_input, "rate", INPUT_RATE_DEFAULT );
379 void InputManager::setRate( int new_rate )
382 var_SetInteger( p_input, "rate", new_rate );
385 /**********************************************************************
386 * MainInputManager implementation. Wrap an input manager and
387 * take care of updating the main playlist input
388 **********************************************************************/
389 MainInputManager * MainInputManager::instance = NULL;
391 MainInputManager::MainInputManager( intf_thread_t *_p_intf ) : QObject(NULL),
395 im = new InputManager( this, p_intf );
397 var_AddCallback( THEPL, "playlist-current", ItemChanged, this );
398 var_AddCallback( THEPL, "intf-change", ItemChanged, this );
399 var_AddCallback( THEPL, "playlist-current", InputChanged, this );
400 var_AddCallback( THEPL, "activity", InputChanged, this );
401 /* src/input/input.c:2076*/
402 var_AddCallback( THEPL, "item-change", ItemChanged, this );
404 var_AddCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
406 /* Warn our embedded IM about input changes */
407 CONNECT( this, inputChanged( input_thread_t * ),
408 im, setInput( input_thread_t * ) );
411 MainInputManager::~MainInputManager()
415 vlc_object_release( p_input );
416 emit inputChanged( NULL );
418 var_DelCallback( p_intf->p_libvlc, "volume-change", VolumeChanged, this );
419 var_DelCallback( THEPL, "playlist-current", InputChanged, this );
420 var_DelCallback( THEPL, "activity", InputChanged, this );
421 var_DelCallback( THEPL, "playlist-current", ItemChanged, this );
422 var_DelCallback( THEPL, "intf-change", ItemChanged, this );
423 var_DelCallback( THEPL, "item-change", ItemChanged, this );
426 void MainInputManager::customEvent( QEvent *event )
428 msg_Dbg( p_intf, "New Event" );
429 int type = event->type();
430 if ( type != ItemChanged_Type && type != VolumeChanged_Type )
433 if( type == VolumeChanged_Type )
435 emit volumeChanged();
439 if( VLC_OBJECT_INTF == p_intf->i_object_type )
441 vlc_mutex_lock( &p_intf->change_lock );
442 if( p_input && ( p_input->b_dead || p_input->b_die ) )
444 var_DelCallback( p_input, "state", InputChanged, this );
445 vlc_object_release( p_input );
447 emit inputChanged( NULL );
453 p_input = THEPL->p_input;
454 if( p_input && !( p_input->b_die || p_input->b_dead) )
456 vlc_object_yield( p_input );
457 var_AddCallback( p_input, "state", InputChanged, this );
458 emit inputChanged( p_input );
464 vlc_mutex_unlock( &p_intf->change_lock );
467 /* we are working as a dialogs provider */
468 playlist_t *p_playlist = (playlist_t *) vlc_object_find( p_intf,
469 VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
472 p_input = p_playlist->p_input;
473 vlc_object_yield( p_input );
474 emit inputChanged( p_input );
479 void MainInputManager::stop()
481 playlist_Stop( THEPL );
484 void MainInputManager::next()
486 playlist_Next( THEPL );
489 void MainInputManager::prev()
491 playlist_Prev( THEPL );
494 void MainInputManager::togglePlayPause()
496 if( p_input == NULL )
498 playlist_Play( THEPL );
501 getIM()->togglePlayPause();
504 /* Static functions */
505 static int InterfaceChanged( vlc_object_t *p_this, const char *psz_var,
506 vlc_value_t oldval, vlc_value_t newval, void *param )
508 static int counter = 0;
509 InputManager *im = (InputManager*)param;
511 counter = counter++ % 4;
514 IMEvent *event = new IMEvent( PositionUpdate_Type, 0 );
515 QApplication::postEvent( im, static_cast<QEvent*>(event) );
519 static int ItemStateChanged( vlc_object_t *p_this, const char *psz_var,
520 vlc_value_t oldval, vlc_value_t newval, void *param )
522 InputManager *im = (InputManager*)param;
524 IMEvent *event = new IMEvent( ItemStateChanged_Type, 0 );
525 QApplication::postEvent( im, static_cast<QEvent*>(event) );
529 static int ItemRateChanged( vlc_object_t *p_this, const char *psz_var,
530 vlc_value_t oldval, vlc_value_t newval, void *param )
532 InputManager *im = (InputManager*)param;
534 IMEvent *event = new IMEvent( ItemRateChanged_Type, 0 );
535 QApplication::postEvent( im, static_cast<QEvent*>(event) );
539 static int ItemTitleChanged( vlc_object_t *p_this, const char *psz_var,
540 vlc_value_t oldval, vlc_value_t newval, void *param )
542 InputManager *im = (InputManager*)param;
544 IMEvent *event = new IMEvent( ItemTitleChanged_Type, 0 );
545 QApplication::postEvent( im, static_cast<QEvent*>(event) );
549 static int InputChanged( vlc_object_t *p_this, const char *psz_var,
550 vlc_value_t oldval, vlc_value_t newval, void *param )
552 MainInputManager *im = (MainInputManager*)param;
554 IMEvent *event = new IMEvent( ItemChanged_Type, newval.i_int );
555 QApplication::postEvent( im, static_cast<QEvent*>(event) );
559 static int VolumeChanged( vlc_object_t *p_this, const char *psz_var,
560 vlc_value_t oldval, vlc_value_t newval, void *param )
562 MainInputManager *im = (MainInputManager*)param;
564 IMEvent *event = new IMEvent( VolumeChanged_Type, newval.i_int );
565 QApplication::postEvent( im, static_cast<QEvent*>(event) );
569 static int ItemChanged( 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( ItemChanged_Type, newval.i_int );
575 QApplication::postEvent( im, static_cast<QEvent*>(event) );
579 static int ChangeAudio( vlc_object_t *p_this, const char *var, vlc_value_t o,
580 vlc_value_t n, void *param )
582 InputManager *im = (InputManager*)param;
583 im->b_has_audio = true;
587 static int ChangeVideo( vlc_object_t *p_this, const char *var, vlc_value_t o,
588 vlc_value_t n, void *param )
590 InputManager *im = (InputManager*)param;
591 im->b_has_video = true;