comparison audio/AudioCallbackRecordTarget.cpp @ 580:298d864113f0 3.0-integration

Fix flickery level meters

     m_frameCount(0),
     m_model(0),
     m_buffers(0),
     m_bufferCount(0),
     m_inputLeft(0.f),
-    m_inputRight(0.f)
+    m_inputRight(0.f),
+    m_levelsSet(false)
 {
     m_viewManager->setAudioRecordTarget(this);
 
     connect(this, SIGNAL(recordStatusChanged(bool)),
             m_viewManager, SLOT(recordStatusChanged(bool)));

 void
 AudioCallbackRecordTarget::setInputLevels(float left, float right)
 {
     if (left > m_inputLeft) m_inputLeft = left;
     if (right > m_inputRight) m_inputRight = right;
+    m_levelsSet = true;
 }
 
 bool
 AudioCallbackRecordTarget::getInputLevels(float &left, float &right)
 {
     left = m_inputLeft;
     right = m_inputRight;
     m_inputLeft = 0.f;
     m_inputRight = 0.f;
-    return true;
+    return m_levelsSet;
 }
 
 void
 AudioCallbackRecordTarget::modelAboutToBeDeleted()
 {