def get_current_stream_formats(self):
playback = AvcStreamFormatInfo.get_format(self.fcp, 'input', 0)
if not self._playback_only:
capture = AvcStreamFormatInfo.get_format(self.fcp, 'output', 0)
else:
capture = None
return {'playback': playback, 'capture': capture}
def _assume_supported_stram_formats(self, direction, plug):
assumed_stream_formats = []
fmt = AvcStreamFormatInfo.get_format(self.fcp, 'input', 0)
for rate, state in self.supported_sampling_rates.items():
if state:
assumed = {
'sampling-rate': rate,
'rate-control': fmt['rate-control'],
'formation': fmt['formation']}
assumed_stream_formats.append(assumed)
return assumed_stream_formats
