qt: use vlc_player_GetV4l2Object

modules/gui/qt/components/extended_panels.cpp

@@ -635,7 +635,8 @@ void ExtV4l2::showEvent( QShowEvent *event )
 
 void ExtV4l2::Refresh( void )
 {
-    vlc_object_t *p_obj = (vlc_object_t *)p_intf->p_sys->p_player;
+    vlc_player_Lock(p_intf->p_sys->p_player);
+    vlc_object_t *p_obj = vlc_player_GetV4l2Object(p_intf->p_sys->p_player);
     help->hide();
     if( box )
     {
@@ -644,7 +645,7 @@ void ExtV4l2::Refresh( void )
         box = NULL;
     }
 
-    if( p_obj != NULL && var_Type(p_obj, "controls") )
+    if( p_obj != NULL )
     {
         vlc_value_t *val;
         char **text;
@@ -785,6 +786,7 @@ void ExtV4l2::Refresh( void )
         if ( isVisible() )
             QTimer::singleShot( 2000, this, SLOT(Refresh()) );
     }
+    vlc_player_Unlock(p_intf->p_sys->p_player);
 }
 
 void ExtV4l2::ValueChange( bool value )
@@ -795,7 +797,8 @@ void ExtV4l2::ValueChange( bool value )
 void ExtV4l2::ValueChange( int value )
 {
     QObject *s = sender();
-    vlc_object_t *p_obj = (vlc_object_t *)p_intf->p_sys->p_player;
+    vlc_player_Lock(p_intf->p_sys->p_player);
+    vlc_object_t *p_obj = vlc_player_GetV4l2Object(p_intf->p_sys->p_player);
     if( p_obj )
     {
         QString var = s->objectName();
@@ -817,9 +820,11 @@ void ExtV4l2::ValueChange( int value )
                 var_TriggerCallback( p_obj, qtu( var ) );
                 break;
         }
+        vlc_player_Unlock(p_intf->p_sys->p_player);
     }
     else
     {
+        vlc_player_Unlock(p_intf->p_sys->p_player);
         msg_Warn( p_intf, "Oops, v4l2 object isn't available anymore" );
         Refresh();
     }