1 /*****************************************************************************
2 * input_manager.cpp : Manage an input and interact with its GUI elements
3 ****************************************************************************
4 * Copyright (C) 2006 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 *****************************************************************************/
27 #include "input_manager.hpp"
28 #include "dialogs_provider.hpp"
30 static int ChangeVideo( vlc_object_t *p_this, const char *var, vlc_value_t o,
31 vlc_value_t n, void *param );
32 static int ChangeAudio( vlc_object_t *p_this, const char *var, vlc_value_t o,
33 vlc_value_t n, void *param );
35 /**********************************************************************
36 * InputManager implementation
37 **********************************************************************/
39 InputManager::InputManager( QObject *parent, intf_thread_t *_p_intf) :
40 QObject( parent ), p_intf( _p_intf )
42 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 );
82 void InputManager::update()
84 /// \todo Emit the signals only if it changed
85 if( !p_input ) return;
87 if( p_input->b_dead || p_input->b_die )
89 emit positionUpdated( 0.0, 0, 0 );
90 msg_Dbg( p_intf, "*********** NAV 0");
91 emit navigationChanged( 0 );
92 emit statusChanged( 0 ); // 0 = STOPPED, 1 = PLAY, 2 = PAUSE
97 if( !b_had_audio && b_has_audio )
99 if( !b_had_video && b_has_video )
102 /* Update position */
103 mtime_t i_length, i_time;
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 );
110 /* Update disc status */
111 vlc_value_t val; val.i_int = 0;
112 var_Change( p_input, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
116 var_Change( p_input, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
119 msg_Dbg( p_intf, "******* CHAPTER");
120 emit navigationChanged( 1 ); // 1 = chapter, 2 = title, 0 = NO
124 msg_Dbg( p_intf, "******* TITLE");
125 emit navigationChanged( 2 );
130 emit navigationChanged( 0 );
135 if( input_GetItem(p_input)->p_meta &&
136 input_GetItem(p_input)->p_meta->psz_nowplaying &&
137 *input_GetItem(p_input)->p_meta->psz_nowplaying )
139 text.sprintf( "%s - %s",
140 input_GetItem(p_input)->p_meta->psz_nowplaying,
141 input_GetItem(p_input)->psz_name );
145 text.sprintf( "%s", input_GetItem(p_input)->psz_name );
147 emit nameChanged( text );
149 /* Update playing status */
150 var_Get( p_input, "state", &val );
151 val.i_int = val.i_int == PAUSE_S ? PAUSE_S : PLAYING_S;
152 if( i_old_playing_status != val.i_int )
154 i_old_playing_status = val.i_int;
155 emit statusChanged( val.i_int == PAUSE_S ? PAUSE_S : PLAYING_S );
159 void InputManager::sliderUpdate( float new_pos )
162 var_SetFloat( p_input, "position", new_pos );
165 void InputManager::togglePlayPause()
168 var_Get( p_input, "state", &state );
169 if( state.i_int != PAUSE_S )
171 /* A stream is being played, pause it */
172 state.i_int = PAUSE_S;
176 /* Stream is paused, resume it */
177 state.i_int = PLAYING_S;
179 var_Set( p_input, "state", state );
180 emit statusChanged( state.i_int );
183 void InputManager::sectionPrev()
187 int i_type = var_Type( p_input, "prev-chapter" );
188 vlc_value_t val; val.b_bool = VLC_TRUE;
189 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
190 "prev-chapter":"prev-title", val );
194 void InputManager::sectionNext()
198 int i_type = var_Type( p_input, "prev-chapter" );
199 vlc_value_t val; val.b_bool = VLC_TRUE;
200 var_Set( p_input, (i_type & VLC_VAR_TYPE) != 0 ?
201 "next-chapter":"next-title", val );
205 void InputManager::sectionMenu()
208 var_SetInteger( p_input, "title 0", 2);
211 void InputManager::slower()
214 var_SetVoid( p_input, "rate-slower" );
217 void InputManager::faster()
220 var_SetVoid( p_input, "rate-faster" );
223 void InputManager::normalRate()
226 var_SetInteger( p_input, "rate", INPUT_RATE_DEFAULT );
229 /**********************************************************************
230 * MainInputManager implementation. Wrap an input manager and
231 * take care of updating the main playlist input
232 **********************************************************************/
233 MainInputManager * MainInputManager::instance = NULL;
235 MainInputManager::MainInputManager( intf_thread_t *_p_intf ) : QObject(NULL),
239 im = new InputManager( this, p_intf );
240 ON_TIMEOUT( updateInput() );
241 /* Warn our embedded IM about input changes */
242 CONNECT( this, inputChanged( input_thread_t * ),
243 im, setInput( input_thread_t * ) );
246 MainInputManager::~MainInputManager()
248 if( p_input ) vlc_object_release( p_input );
251 void MainInputManager::updateInput()
253 vlc_mutex_lock( &p_intf->change_lock );
254 if( p_input && p_input->b_dead )
256 vlc_object_release( p_input );
259 emit inputChanged( NULL );
265 p_input = THEPL->p_input;
268 vlc_object_yield( p_input );
269 emit inputChanged( p_input );
273 vlc_mutex_unlock( &p_intf->change_lock );
276 void MainInputManager::togglePlayPause()
278 if( p_input == NULL )
280 playlist_Play( THEPL );
283 getIM()->togglePlayPause();
287 static int ChangeAudio( vlc_object_t *p_this, const char *var, vlc_value_t o,
288 vlc_value_t n, void *param )
290 InputManager *im = (InputManager*)param;
291 im->b_has_audio = true;
295 static int ChangeVideo( vlc_object_t *p_this, const char *var, vlc_value_t o,
296 vlc_value_t n, void *param )
298 InputManager *im = (InputManager*)param;
299 im->b_has_video = true;