def set_aux_volume(self, ch, db):
if ch > 2:
raise ValueError('Invalid argument for master channel')
fb = self.__aux_output
data = AvcAudio.build_data_from_db(db)
AvcAudio.set_feature_volume_state(self.unit.fcp, 0, 'current', fb, ch,
data)
def set_aux_balance(self, ch, balance):
if ch > 2:
raise ValueError('Invalid argument for master channel')
fb = self.__aux_output
data = AvcAudio.build_data_from_db(balance)
ch += 1
AvcAudio.set_feature_lr_state(self.unit.fcp, 0, 'current', fb, ch,
data)
def set_mixer_input_gain(self, target, ch, db):
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 = AvcAudio.build_data_from_db(db)
value = unpack('>H', data)[0]
quads[pos] = int(value * quads[pos] // total)
quads[pos + 2] = int(value * quads[pos + 2] // total)
self._write_quads(offset, quads)
def set_input_balance(self, target, ch, balance):
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 = AvcAudio.build_data_from_db(balance)
self.__write_data(offset, data)
def __set_volume(self, offset, db):
if offset > len(self._cache):
raise ValueError('Invalid argument for offset on address space')
data = AvcAudio.build_data_from_db(db)
self.__write_data(offset, data)
def set_analog_output_volume(self, target, ch, db):
fb, ch = self.__check_analog_output_channel(target, ch)
data = AvcAudio.build_data_from_db(db)
AvcAudio.set_feature_volume_state(self.fcp, 0, 'current', fb, ch, data)
def set_output_volume(self, target, db):
quads = self._read_output_quad(target)
data = AvcAudio.build_data_from_db(db)
quads[0] &= ~0x0000ffff
quads[0] |= unpack('>H', data)[0]
self._write_output_quad(target, quads)
def set_mixer_input_balance(self, target, ch, balance):
if target not in self._fbs:
raise ValueError('Invalid argument for input.')
fb = self._fbs.index(target) + 1
data = AvcAudio.build_data_from_db(balance)
AvcAudio.set_feature_lr_state(self.fcp, 0, 'current', fb, ch, data)
def set_input_balance(self, target, ch, balance):
index = self._refer_input_data(target)
fb, ch = self._refer_fb_data(self.__inputs, index, ch)
data = AvcAudio.build_data_from_db(balance)
AvcAudio.set_feature_lr_state(self.unit.fcp, 0, 'current', fb, ch,
data)
def _set_volume(self, targets, index, ch, db):
fb, ch = self._refer_fb_data(targets, index, ch)
data = AvcAudio.build_data_from_db(db)
AvcAudio.set_feature_volume_state(self.unit.fcp, 0, 'current', fb, ch,
data)
def set_mixer_output_volume(self, ch, db):
fb, ch = self._check_mixer_output_channel(ch)
data = AvcAudio.build_data_from_db(db)
AvcAudio.set_feature_volume_state(self._fcp, 0, 'current', fb, ch,
data)
