def set_stream_formats(self, playback, capture):
if playback not in self.supported_stream_formats['playback']:
raise ValueError('Invalid argument for playback stream format')
if capture:
if self._playback_only:
raise ValueError('This unit is playback only')
if capture not in self.supported_stream_formats['capture']:
raise ValueError('Invalid argument for capture stream format')
if playback['sampling-rate'] != capture['sampling-rate']:
raise ValueError('Sampling rate mis-match between playback and capture')
if self._assumed:
rate = playback['sampling-rate']
AvcConnection.set_plug_signal_format(self.fcp, 'output', 0, rate)
AvcConnection.set_plug_signal_format(self.fcp, 'input', 0, rate)
else:
AvcStreamFormatInfo.set_format(self.fcp, 'input', 0, playback)
if not self._playback_only:
AvcStreamFormatInfo.set_format(self.fcp, 'output', 0, capture)
def set_sampling_rate(self, rate):
AvcConnection.set_plug_signal_format(self.fcp, "input", 0, rate)
AvcConnection.set_plug_signal_format(self.fcp, "output", 0, rate)
