def get_sampling_rate(self):
in_rate = AvcConnection.get_plug_signal_format(self.unit.fcp, 'input',
0)
out_rate = AvcConnection.get_plug_signal_format(
self.unit.fcp, 'output', 0)
if in_rate != out_rate:
raise OSError('Unexpected state of the unit: {0}!={1}'.format(
in_rate, out_rate))
return in_rate
def set_16bit_mode(self, target):
if target != 'none':
rate = AvcConnection.get_plug_signal_format(self.fcp, 'output', 0)
if rate not in (44100, 48000):
raise ValueError('Sampling rate should be 44100 or 48000.')
HwCmd.set_16bit_mode(self.__cache, self.fcp, target)
self.__save_cache()
def get_supported_sampling_rates(self):
rate = AvcConnection.get_plug_signal_format(self.fcp, 'input', 0)
for mode, rates in self._RATE_MODES.items():
if rate in rates and mode in self._caps['rate-modes']:
break
else:
raise OSError('Invalid state for sampling rate.')
return rates
def set_cd_mode(self, enable):
if enable:
if self.__cache['hw']['16bit'] != 'spdif-coax-out-1/2':
raise ValueError('16bit-mode should be spdif-coax-out-1/2.')
rate = AvcConnection.get_plug_signal_format(self.fcp, 'output', 0)
if rate != 44100:
raise ValueError('Sampling rate should be 44100.')
HwCmd.set_cd_mode(self.__cache, self.fcp, enable)
self.__save_cache()
def set_sampling_rate(self, rate):
if self.get_property('streaming'):
raise OSError('Packet streaming starts')
curr_rate = AvcConnection.get_plug_signal_format(self.fcp, 'input', 0)
for mode, rates in self._RATE_MODES.items():
if curr_rate in rates:
break
else:
raise OSError('Invalid state for sampling rate.')
if rate not in rates:
raise ValueError('Invalid argument for sampling rate.')
AvcConnection.set_plug_signal_format(self.fcp, 'input', 0, rate)
AvcConnection.set_plug_signal_format(self.fcp, 'output', 0, rate)
def get_sampling_rate(self):
# Current rate is correctly returned from a plug 0 for output direction
# only.
return AvcConnection.get_plug_signal_format(self.unit.fcp, 'output', 0)
def get_sampling_rate(self):
in_rate = AvcConnection.get_plug_signal_format(self.fcp, 'input', 0)
out_rate = AvcConnection.get_plug_signal_format(self.fcp, 'output', 0)
if in_rate != out_rate:
raise OSError('Sampling rate mismatch: ', in_rate, out_rate)
return in_rate
def get_sampling_rate(self):
return AvcConnection.get_plug_signal_format(self.fcp, 'output', 0)