openwebrx-clone/csdr/chain/demodulator.py

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from csdr.chain import Chain
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from abc import ABC, abstractmethod
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class BaseDemodulatorChain(Chain):
def getFixedIfSampleRate(self):
return None
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def supportsSquelch(self):
return True
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class FixedAudioRateChain(ABC):
@abstractmethod
def getFixedAudioRate(self):
pass
class FixedIfSampleRateChain(ABC):
@abstractmethod
def getFixedIfSampleRate(self):
return self.fixedIfSampleRate
# marker interface
class HdAudio:
pass