IsMuted
static_cast<int32 *>(value)[0] = output->IsMuted();
if (fInputs->IsEmpty() || fOutput->IsMuted()) {
bool IsMuted();
fOutputSetting.AddBool("OutputIsMuted", output->IsMuted());
fVolumeSlider->SetMuted(!fVolumeSlider->IsMuted());
bool IsMuted() const