openwebrx-clone/csdr/chain/demodulator.py

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from csdr.chain import Chain
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from abc import ABC, abstractmethod
from pycsdr.modules import Writer
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class BaseDemodulatorChain(Chain):
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def supportsSquelch(self) -> bool:
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return True
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def setSampleRate(self, sampleRate: int) -> None:
pass
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class SecondaryDemodulator(Chain):
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def supportsSquelch(self) -> bool:
return True
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class FixedAudioRateChain(ABC):
@abstractmethod
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def getFixedAudioRate(self) -> int:
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pass
class FixedIfSampleRateChain(ABC):
@abstractmethod
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def getFixedIfSampleRate(self) -> int:
pass
class DialFrequencyReceiver(ABC):
@abstractmethod
def setDialFrequency(self, frequency: int) -> None:
pass
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# marker interface
class HdAudio:
pass
class MetaProvider(ABC):
@abstractmethod
def setMetaWriter(self, writer: Writer) -> None:
pass
class SlotFilterChain(ABC):
@abstractmethod
def setSlotFilter(self, filter: int) -> None:
pass