def set_input_level(self, level):
if len(self._input_level_labels) == 0:
raise OSError("Not supported")
if level not in self._input_level_labels:
raise ValueError("Invalid argument for input level.")
value = self._input_level_labels[level]
AvcAudio.set_feature_volume_state(self.fcp, 0, "current", 2, 0, value)
def _set_state(self, op, fb, ch, value):
if op == "volume":
AvcAudio.set_feature_volume_state(self.fcp, 0, "current", fb, ch, value)
elif op == "mute":
AvcAudio.set_feature_mute_state(self.fcp, 0, "current", fb, ch, value)
else:
raise ValueError("Invalid argument for channel operation")
def set_aux_master_volume(self, ch, value):
if ch > 2:
raise ValueError('Invalid argument for master channel')
fb = self._aux_output[self._id]
AvcAudio.set_feature_volume_state(self.fcp, 0, 'current', fb, ch, value)
def _set_volume(self, targets, index, ch, value):
fb, ch = self._refer_fb_data(targets, index, ch)
AvcAudio.set_feature_volume_state(self.fcp, 0, 'current', fb, ch, value)
