Be sure to emit voutChanged() only when needed.

29477d27 · Laurent Aimar · Jean-Baptiste Kempf · 6bdf53c3 · 29477d27
Commit 29477d27 authored Sep 06, 2008 by Laurent Aimar Committed by Jean-Baptiste Kempf Sep 05, 2008
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Showing with 4 additions and 1 deletion

modules/gui/qt4/input_manager.cpp modules/gui/qt4/input_manager.cpp +4 -1

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--- a/modules/gui/qt4/input_manager.cpp
+++ b/modules/gui/qt4/input_manager.cpp
@@ -369,11 +369,14 @@ void InputManager::UpdateVout()
 {
    if( hasInput() )
    {
+        bool b_old_video = b_video;
+
        vlc_object_t *p_vout = (vlc_object_t*)vlc_object_find( p_input, VLC_OBJECT_VOUT, FIND_CHILD );
        b_video = p_vout != NULL;
        if( p_vout )
            vlc_object_release( p_vout );
-        emit voutChanged( b_video );
+        if( !!b_old_video != !!b_video )
+            emit voutChanged( b_video );
    }
 }