Fix compilation

src/audiomixer/mixermanager.cpp

@@ -132,7 +132,7 @@ void MixerManager::cleanup()
     }
     m_mixers.clear();
     if (m_masterMixer) {
-        m_masterMixer->clear(true);
+        m_masterMixer->reset();
     }
 }
 

src/audiomixer/mixerwidget.cpp

@@ -240,7 +240,7 @@ void MixerWidget::buildUI(Mlt::Tractor *service, const QString &trackTag)
             }
         } else {
             emit muteTrack(m_tid, !active);
-            clear(true);
+            reset();
         }
         updateLabel();
     });
@@ -403,15 +403,21 @@ void MixerWidget::updateAudioLevel(int pos)
     }
 }
 
-void MixerWidget::clear(bool reset)
+
+void MixerWidget::reset()
+{
+    QMutexLocker lk(&m_storeMutex);
+    m_levels.clear();
+    m_audioMeterWidget->setAudioValues({-100, -100});
+}
+
+void MixerWidget::clear()
 {
-    if (reset) {
-        m_audioMeterWidget->setAudioValues({-100, -100});
-    }
     QMutexLocker lk(&m_storeMutex);
     m_levels.clear();
 }
 
+
 bool MixerWidget::isMute() const
 {
     return m_muteAction->isActive();

src/audiomixer/mixerwidget.hpp

@@ -55,7 +55,9 @@ public:
     virtual ~MixerWidget();
     void buildUI(Mlt::Tractor *service, const QString &trackTag);
     /** @brief discard stored audio values and reset vu-meter to 0 if requested */
-    void clear(bool reset = false);
+    void reset();
+    /** @brief discard stored audio values */
+    void clear();
     static void property_changed( mlt_service , MixerWidget *self, char *name );
     void setMute(bool mute);
     /** @brief Returs true if track is muted