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>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
25 #include "input_manager.hpp"
26 #include "dialogs_provider.hpp"
28 static int ChangeVideo( vlc_object_t *p_this, const char *var, vlc_value_t o,
29 vlc_value_t n, void *param );
30 static int ChangeAudio( vlc_object_t *p_this, const char *var, vlc_value_t o,
31 vlc_value_t n, void *param );
33 /**********************************************************************
34 * InputManager implementation
35 **********************************************************************/
37 InputManager::InputManager( QObject *parent, intf_thread_t *_p_intf) :
38 QObject( parent ), p_intf( _p_intf )
40 i_old_playing_status = END_S;
44 ON_TIMEOUT( update() );
47 InputManager::~InputManager()
52 void InputManager::setInput( input_thread_t *_p_input )
56 emit positionUpdated( 0.0,0,0 );
57 b_had_audio = b_had_video = b_has_audio = b_has_video = false;
60 vlc_object_yield( p_input );
62 var_Change( p_input, "video-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
63 b_has_video = val.i_int > 0;
64 var_Change( p_input, "audio-es", VLC_VAR_CHOICESCOUNT, &val, NULL );
65 b_has_audio = val.i_int > 0;
66 var_AddCallback( p_input, "audio-es", ChangeAudio, this );
67 var_AddCallback( p_input, "video-es", ChangeVideo, this );
71 void InputManager::delInput()
75 var_DelCallback( p_input, "audio-es", ChangeAudio, this );
76 var_DelCallback( p_input, "video-es", ChangeVideo, this );
77 vlc_object_release( p_input );
83 void InputManager::update()
85 /// \todo Emit the signals only if it changed
88 emit nameChanged( "" );
92 if( p_input->b_dead || p_input->b_die )
94 emit positionUpdated( 0.0, 0, 0 );
95 emit navigationChanged( 0 );
96 i_old_playing_status = 0;
97 emit statusChanged( END_S ); // see vlc_input.h, input_state_e enum
102 /* Update position */
103 int i_length, i_time; /* Int is enough, since we store seconds */
105 i_length = var_GetTime( p_input, "length" ) / 1000000;
106 i_time = var_GetTime( p_input, "time") / 1000000;
107 f_pos = var_GetFloat( p_input, "position" );
108 emit positionUpdated( f_pos, i_time, i_length );
111 int i_new_rate = var_GetInteger( p_input, "rate");
112 if( i_new_rate != i_rate )
116 emit rateChanged( i_rate );
119 /* Update navigation status */
120 vlc_value_t val; val.i_int = 0;
121 var_Change( p_input, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
125 var_Change( p_input, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
126 emit navigationChanged( (val.i_int > 0) ? 1 : 2 );
127 /*if( val.i_int > 0 )
129 emit navigationChanged( 1 ); // 1 = chapter, 2 = title, 0 = NO
133 emit navigationChanged( 2 );
138 emit navigationChanged( 0 );
142 /* Update teletext status*/
143 emit teletextEnabled( true );/* FIXME */
148 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
149 char *psz_nowplaying =
150 input_item_GetNowPlaying( input_GetItem( p_input ) );
151 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
152 if( EMPTY_STR( psz_name ) )
155 psz_name = input_item_GetName( input_GetItem( p_input ) );
157 if( !EMPTY_STR( psz_nowplaying ) )
159 text.sprintf( "%s - %s", psz_nowplaying, psz_name );
161 else if( !EMPTY_STR( psz_artist ) )
163 text.sprintf( "%s - %s", psz_artist, psz_name );
167 text.sprintf( "%s", psz_name );
170 free( psz_nowplaying );
172 if( old_name != text )
174 emit nameChanged( text );
178 /* Update playing status */
179 var_Get( p_input, "state", &val );
180 val.i_int = val.i_int == PAUSE_S ? PAUSE_S : PLAYING_S;
181 if( i_old_playing_status != val.i_int )
183 i_old_playing_status = val.i_int;
184 emit statusChanged( val.i_int == PAUSE_S ? PAUSE_S : PLAYING_S );
188 void InputManager::sliderUpdate( float new_pos )
190 if( hasInput() ) var_SetFloat( p_input, "position", new_pos );
193 void InputManager::togglePlayPause()
196 var_Get( p_input, "state", &state );
197 state.i_int = ( ( state.i_int != PAUSE_S ) ? PAUSE_S : PLAYING_S );
199 /* A stream is being played, pause it */
200 /* state.i_int = PAUSE_S;
204 /* Stream is paused, resume it */
205 /*state.i_int = PLAYING_S;
207 var_Set( p_input, "state", state );
208 emit statusChanged( state.i_int );
211 void InputManager::sectionPrev()
215 int i_type = var_Type( p_input, "next-chapter" );
216 vlc_value_t val; val.b_bool = VLC_TRUE;
217 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
218 "prev-chapter":"prev-title", val );
222 void InputManager::sectionNext()
226 int i_type = var_Type( p_input, "next-chapter" );
227 vlc_value_t val; val.b_bool = VLC_TRUE;
228 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
229 "next-chapter":"next-title", val );
233 void InputManager::sectionMenu()
236 var_SetInteger( p_input, "title 0", 2 );
240 void InputManager::telexGotoPage( int page )
242 // TODO: this has only sense when telx codec is available
246 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
247 "zvbi", FIND_ANYWHERE );
250 var_SetInteger( p_vbi, "vbi-page", page );
251 vlc_object_release( p_vbi );
256 void InputManager::telexToggle( bool b_enabled )
261 void InputManager::telexSetTransparency( bool b_transp )
263 // TODO: this has only sense when telx codec is available
267 p_vbi = (vlc_object_t *) vlc_object_find_name( p_input,
268 "zvbi", FIND_ANYWHERE );
271 var_SetBool( p_input->p_libvlc, "vbi-opaque", b_transp );
272 vlc_object_release( p_vbi );
278 void InputManager::slower()
281 var_SetVoid( p_input, "rate-slower" );
284 void InputManager::faster()
287 var_SetVoid( p_input, "rate-faster" );
290 void InputManager::normalRate()
293 var_SetInteger( p_input, "rate", INPUT_RATE_DEFAULT );
296 void InputManager::setRate( int new_rate )
299 var_SetInteger( p_input, "rate", new_rate );
302 /**********************************************************************
303 * MainInputManager implementation. Wrap an input manager and
304 * take care of updating the main playlist input
305 **********************************************************************/
306 MainInputManager * MainInputManager::instance = NULL;
308 MainInputManager::MainInputManager( intf_thread_t *_p_intf ) : QObject(NULL),
312 im = new InputManager( this, p_intf );
313 ON_TIMEOUT( updateInput() );
314 /* Warn our embedded IM about input changes */
315 CONNECT( this, inputChanged( input_thread_t * ),
316 im, setInput( input_thread_t * ) );
319 MainInputManager::~MainInputManager()
321 if( p_input ) vlc_object_release( p_input );
324 void MainInputManager::updateInput()
326 if( VLC_OBJECT_INTF == p_intf->i_object_type )
328 vlc_mutex_lock( &p_intf->change_lock );
329 if( p_input && p_input->b_dead )
331 vlc_object_release( p_input );
334 emit inputChanged( NULL );
340 p_input = THEPL->p_input;
343 vlc_object_yield( p_input );
344 emit inputChanged( p_input );
348 vlc_mutex_unlock( &p_intf->change_lock );
351 /* we are working as a dialogs provider */
352 playlist_t *p_playlist = (playlist_t *) vlc_object_find( p_intf,
353 VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
356 p_input = p_playlist->p_input;
357 emit inputChanged( p_input );
362 void MainInputManager::stop()
364 playlist_Stop( THEPL );
367 void MainInputManager::next()
369 playlist_Next( THEPL );
372 void MainInputManager::prev()
374 playlist_Prev( THEPL );
377 void MainInputManager::togglePlayPause()
379 if( p_input == NULL )
381 playlist_Play( THEPL );
384 getIM()->togglePlayPause();
387 static int ChangeAudio( vlc_object_t *p_this, const char *var, vlc_value_t o,
388 vlc_value_t n, void *param )
390 InputManager *im = (InputManager*)param;
391 im->b_has_audio = true;
395 static int ChangeVideo( vlc_object_t *p_this, const char *var, vlc_value_t o,
396 vlc_value_t n, void *param )
398 InputManager *im = (InputManager*)param;
399 im->b_has_video = true;