/*****************************************************************************
* input_manager.cpp : Manage an input and interact with its GUI elements
****************************************************************************
- * Copyright (C) 2000-2005 the VideoLAN team
- * $Id: wxwidgets.cpp 15731 2006-05-25 14:43:53Z zorglub $
+ * Copyright (C) 2006 the VideoLAN team
+ * $Id$
*
* Authors: Clément Stenac <zorglub@videolan.org>
*
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
+#include <assert.h>
+
+#include "qt4.hpp"
#include "input_manager.hpp"
#include "dialogs_provider.hpp"
-#include "qt4.hpp"
+
+static int ChangeVideo( vlc_object_t *p_this, const char *var, vlc_value_t o,
+ vlc_value_t n, void *param );
+static int ChangeAudio( vlc_object_t *p_this, const char *var, vlc_value_t o,
+ vlc_value_t n, void *param );
+
+/**********************************************************************
+ * InputManager implementation
+ **********************************************************************/
InputManager::InputManager( QObject *parent, intf_thread_t *_p_intf) :
QObject( parent ), p_intf( _p_intf )
{
+ i_old_playing_status = END_S;
p_input = NULL;
- /* Subscribe to updates */
- QObject::connect( DialogsProvider::getInstance( p_intf )->fixed_timer,
- SIGNAL( timeout() ), this, SLOT( update() ) );
+ CONNECT( THEDP->fixed_timer, timeout(), this, update() );
}
InputManager::~InputManager()
{
p_input = _p_input;
emit positionUpdated( 0.0,0,0 );
+ b_had_audio = b_had_video = b_has_audio = b_has_video = false;
+ if( p_input )
+ {
+ var_AddCallback( p_input, "audio-es", ChangeAudio, this );
+ var_AddCallback( p_input, "video-es", ChangeVideo, this );
+ }
+
+}
+void InputManager::delInput()
+{
+ if( p_input )
+ {
+ var_DelCallback( p_input, "audio-es", ChangeAudio, this );
+ var_DelCallback( p_input, "video-es", ChangeVideo, this );
+ }
}
void InputManager::update()
{
- if( !p_input || p_input->b_die ) return;
+ /// \todo Emit the signals only if it changed
+ if( !p_input ) return;
- if( p_input->b_dead )
+ if( p_input->b_dead || p_input->b_die )
{
emit positionUpdated( 0.0, 0, 0 );
+ emit navigationChanged( 0 );
+ emit statusChanged( 0 ); // 0 = STOPPED, 1 = PLAY, 2 = PAUSE
}
+
+ if( !b_had_audio && b_has_audio )
+ emit audioStarted();
+ if( !b_had_video && b_has_video )
+ emit videoStarted();
+
+ /* Update position */
mtime_t i_length, i_time;
float f_pos;
i_length = var_GetTime( p_input, "length" ) / 1000000;
i_time = var_GetTime( p_input, "time") / 1000000;
f_pos = var_GetFloat( p_input, "position" );
-
emit positionUpdated( f_pos, i_time, i_length );
+
+ /* Update disc status */
+ vlc_value_t val;
+ var_Change( p_input, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
+ if( val.i_int > 0 )
+ {
+ vlc_value_t val;
+ var_Change( p_input, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
+ if( val.i_int > 0 )
+ emit navigationChanged( 1 ); // 1 = chapter, 2 = title, 0 = NO
+ else
+ emit navigationChanged( 2 );
+ }
+ else
+ {
+ emit navigationChanged( 0 );
+ }
+
+ /* Update text */
+ QString text;
+ if( p_input->input.p_item->p_meta &&
+ p_input->input.p_item->p_meta->psz_nowplaying &&
+ *p_input->input.p_item->p_meta->psz_nowplaying )
+ {
+ text.sprintf( "%s - %s",
+ p_input->input.p_item->p_meta->psz_nowplaying,
+ p_input->input.p_item->psz_name );
+ }
+ else
+ {
+ text.sprintf( "%s", p_input->input.p_item->psz_name );
+ }
+ emit nameChanged( text );
+
+ /* Update playing status */
+ var_Get( p_input, "state", &val );
+ val.i_int = val.i_int == PAUSE_S ? PAUSE_S : PLAYING_S;
+ if( i_old_playing_status != val.i_int )
+ {
+ i_old_playing_status = val.i_int;
+ emit statusChanged( val.i_int == PAUSE_S ? PAUSE_S : PLAYING_S );
+ }
}
void InputManager::sliderUpdate( float new_pos )
{
- if( p_input && !p_input->b_die && !p_input->b_dead )
+ if( p_input && !p_input->b_die && !p_input->b_dead )
var_SetFloat( p_input, "position", new_pos );
}
+
+void InputManager::togglePlayPause()
+{
+ vlc_value_t state;
+ var_Get( p_input, "state", &state );
+ if( state.i_int != PAUSE_S )
+ {
+ /* A stream is being played, pause it */
+ state.i_int = PAUSE_S;
+ }
+ else
+ {
+ /* Stream is paused, resume it */
+ state.i_int = PLAYING_S;
+ }
+ var_Set( p_input, "state", state );
+ emit statusChanged( state.i_int );
+}
+
+/**********************************************************************
+ * MainInputManager implementation. Wrap an input manager and
+ * take care of updating the main playlist input
+ **********************************************************************/
+MainInputManager * MainInputManager::instance = NULL;
+
+MainInputManager::MainInputManager( intf_thread_t *_p_intf ) : QObject(NULL),
+ p_intf( _p_intf )
+{
+ p_input = NULL;
+ im = new InputManager( this, p_intf );
+ /* Get timer updates */
+ CONNECT( THEDP->fixed_timer, timeout(), this, updateInput() );
+ /* Warn our embedded IM about input changes */
+ CONNECT( this, inputChanged( input_thread_t * ),
+ im, setInput( input_thread_t * ) );
+}
+
+MainInputManager::~MainInputManager()
+{
+ if( p_input ) vlc_object_release( p_input );
+}
+
+void MainInputManager::updateInput()
+{
+ vlc_mutex_lock( &p_intf->change_lock );
+ if( p_input && p_input->b_dead )
+ {
+ vlc_object_release( p_input );
+ getIM()->delInput();
+ p_input = NULL;
+ emit inputChanged( NULL );
+ }
+
+ if( !p_input )
+ {
+ playlist_t *p_playlist = (playlist_t *) vlc_object_find( p_intf,
+ VLC_OBJECT_PLAYLIST, FIND_ANYWHERE );
+ assert( p_playlist );
+ PL_LOCK;
+ p_input = p_playlist->p_input;
+ if( p_input )
+ {
+ vlc_object_yield( p_input );
+ emit inputChanged( p_input );
+ }
+ PL_UNLOCK;
+ vlc_object_release( p_playlist );
+ }
+ vlc_mutex_unlock( &p_intf->change_lock );
+}
+
+void MainInputManager::togglePlayPause()
+{
+ if( p_input == NULL )
+ {
+ playlist_Play( THEPL );
+ return;
+ }
+ getIM()->togglePlayPause();
+}
+
+
+static int ChangeAudio( vlc_object_t *p_this, const char *var, vlc_value_t o,
+ vlc_value_t n, void *param )
+{
+ InputManager *im = (InputManager*)param;
+ im->b_has_audio = true;
+}
+
+static int ChangeVideo( vlc_object_t *p_this, const char *var, vlc_value_t o,
+ vlc_value_t n, void *param )
+{
+ InputManager *im = (InputManager*)param;
+ im->b_has_video = true;
+}
projects / vlc / blobdiff