def get_mixer_input_gain(self, target, ch):
if target not in self._fbs:
raise ValueError('Invalid argument for input.')
fb = self._fbs.index(target) + 1
data = AvcAudio.get_feature_volume_state(
self.fcp, 0, 'current', fb, ch)
return AvcAudio.parse_data_to_db(data)
def get_aux_volume(self, ch):
if ch > 2:
raise ValueError('Invalid argument for master channel')
fb = self.__aux_output
data = AvcAudio.get_feature_volume_state(self.unit.fcp, 0, 'current',
fb, ch)
return AvcAudio.parse_data_to_db(data)
def get_mixer_input_gain(self, target, ch):
if target not in self._INPUTS:
raise ValueError('Invalid value for input target.')
offset = self._MIXER_INPUT_OFFSETS[target]
quads = self._read_quads(offset, 4)
pos = ch - 1
total = quads[pos] + quads[pos + 2]
data = pack('>H', total)
return AvcAudio.parse_data_to_db(data)
def get_input_balance(self, target, ch):
if target not in self.__INPUT_LABELS:
raise ValueError('invalid argument for input stereo pair')
offset = (self.__INPUT_LABELS.index(target) - 2 + 16) * 4 + ch * 2
data = self._cache[offset:offset + 2]
return AvcAudio.parse_data_to_db(data)
def __get_volume(self, offset):
if offset > len(self._cache):
raise ValueError('Invalid argument for offset on address space')
return AvcAudio.parse_data_to_db(self._cache[offset:offset + 2])
def get_analog_output_volume(self, target, ch):
fb, ch = self.__check_analog_output_channel(target, ch)
data = AvcAudio.get_feature_volume_state(self.fcp, 0, 'current', fb,
ch)
return AvcAudio.parse_data_to_db(data)
def get_output_volume(self, target):
quads = self._read_output_quad(target)
data = pack('>I', quads[0])
return AvcAudio.parse_data_to_db(data[2:])
def get_input_balance(self, target, ch):
index = self._refer_input_data(target)
fb, ch = self._refer_fb_data(self.__inputs, index, ch)
data = AvcAudio.get_feature_lr_state(self.unit.fcp, 0, 'current', fb,
ch)
return AvcAudio.parse_data_to_db(data)
def _get_volume(self, targets, index, ch):
fb, ch = self._refer_fb_data(targets, index, ch)
data = AvcAudio.get_feature_volume_state(self.unit.fcp, 0, 'current',
fb, ch)
return AvcAudio.parse_data_to_db(data)
def get_mixer_output_volume(self, ch):
fb, ch = self._check_mixer_output_channel(ch)
data = AvcAudio.get_feature_volume_state(self._fcp, 0, 'current', fb,
ch)
return AvcAudio.parse_data_to_db(data)
