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 );
143 char *psz_name = input_item_GetTitle( input_GetItem( p_input ) );
144 char *psz_nowplaying =
145 input_item_GetNowPlaying( input_GetItem( p_input ) );
146 char *psz_artist = input_item_GetArtist( input_GetItem( p_input ) );
147 if( EMPTY_STR( psz_name ) )
150 psz_name = input_item_GetName( input_GetItem( p_input ) );
152 if( !EMPTY_STR( psz_nowplaying ) )
154 text.sprintf( "%s - %s", psz_nowplaying, psz_name );
156 else if( !EMPTY_STR( psz_artist ) )
158 text.sprintf( "%s - %s", psz_artist, psz_name );
162 text.sprintf( "%s", psz_name );
165 free( psz_nowplaying );
167 if( old_name != text )
169 emit nameChanged( text );
173 /* Update playing status */
174 var_Get( p_input, "state", &val );
175 val.i_int = val.i_int == PAUSE_S ? PAUSE_S : PLAYING_S;
176 if( i_old_playing_status != val.i_int )
178 i_old_playing_status = val.i_int;
179 emit statusChanged( val.i_int == PAUSE_S ? PAUSE_S : PLAYING_S );
183 void InputManager::sliderUpdate( float new_pos )
185 if( hasInput() ) var_SetFloat( p_input, "position", new_pos );
188 void InputManager::togglePlayPause()
191 var_Get( p_input, "state", &state );
192 state.i_int = ( ( state.i_int != PAUSE_S ) ? PAUSE_S : PLAYING_S );
194 /* A stream is being played, pause it */
195 /* state.i_int = PAUSE_S;
199 /* Stream is paused, resume it */
200 /*state.i_int = PLAYING_S;
202 var_Set( p_input, "state", state );
203 emit statusChanged( state.i_int );
206 void InputManager::sectionPrev()
210 int i_type = var_Type( p_input, "next-chapter" );
211 vlc_value_t val; val.b_bool = VLC_TRUE;
212 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
213 "prev-chapter":"prev-title", val );
217 void InputManager::sectionNext()
221 int i_type = var_Type( p_input, "next-chapter" );
222 vlc_value_t val; val.b_bool = VLC_TRUE;
223 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
224 "next-chapter":"next-title", val );
228 void InputManager::sectionMenu()
231 var_SetInteger( p_input, "title 0", 2 );
234 void InputManager::slower()
237 var_SetVoid( p_input, "rate-slower" );
240 void InputManager::faster()
243 var_SetVoid( p_input, "rate-faster" );
246 void InputManager::normalRate()
249 var_SetInteger( p_input, "rate", INPUT_RATE_DEFAULT );
252 void InputManager::setRate( int new_rate )
255 var_SetInteger( p_input, "rate", new_rate );
258 /**********************************************************************
259 * MainInputManager implementation. Wrap an input manager and
260 * take care of updating the main playlist input
261 **********************************************************************/
262 MainInputManager * MainInputManager::instance = NULL;
264 MainInputManager::MainInputManager( intf_thread_t *_p_intf ) : QObject(NULL),
268 im = new InputManager( this, p_intf );
269 ON_TIMEOUT( updateInput() );
270 /* Warn our embedded IM about input changes */
271 CONNECT( this, inputChanged( input_thread_t * ),
272 im, setInput( input_thread_t * ) );
275 MainInputManager::~MainInputManager()
277 if( p_input ) vlc_object_release( p_input );
280 void MainInputManager::updateInput()
282 if( VLC_OBJECT_INTF == p_intf->i_object_type )
284 vlc_mutex_lock( &p_intf->change_lock );
285 if( p_input && p_input->b_dead )
287 vlc_object_release( p_input );
290 emit inputChanged( NULL );
296 p_input = THEPL->p_input;
299 vlc_object_yield( p_input );
300 emit inputChanged( p_input );
304 vlc_mutex_unlock( &p_intf->change_lock );
307 /* we are working as a dialogs provider */
308 playlist_t *p_playlist = (playlist_t *) vlc_object_find( p_intf,
309 VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
312 p_input = p_playlist->p_input;
313 emit inputChanged( p_input );
318 void MainInputManager::stop()
320 playlist_Stop( THEPL );
323 void MainInputManager::next()
325 playlist_Next( THEPL );
328 void MainInputManager::prev()
330 playlist_Prev( THEPL );
333 void MainInputManager::togglePlayPause()
335 if( p_input == NULL )
337 playlist_Play( THEPL );
340 getIM()->togglePlayPause();
343 static int ChangeAudio( vlc_object_t *p_this, const char *var, vlc_value_t o,
344 vlc_value_t n, void *param )
346 InputManager *im = (InputManager*)param;
347 im->b_has_audio = true;
351 static int ChangeVideo( vlc_object_t *p_this, const char *var, vlc_value_t o,
352 vlc_value_t n, void *param )
354 InputManager *im = (InputManager*)param;
355 im->b_has_video = true;