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prevent a few errors from happening by changing the sequence

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This commit is contained in:
Jakob Ketterl 2023-08-24 20:04:48 +02:00
parent c7fbc8202b
commit 5db5cb9eae
1 changed files with 11 additions and 8 deletions
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19
owrx/dsp.py
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@ -97,8 +97,6 @@ class ClientDemodulatorChain(Chain):
# it's expected and should be mended when swapping out the demodulator in the next step
pass
self.replace(1, demodulator)
if self.demodulator is not None:
self.demodulator.stop()
@ -107,7 +105,6 @@ class ClientDemodulatorChain(Chain):
self.selector.setOutputRate(self._getSelectorOutputRate())
clientRate = self._getClientAudioInputRate()
self.clientAudioChain.setInputRate(clientRate)
self.demodulator.setSampleRate(clientRate)
if isinstance(self.demodulator, DeemphasisTauChain):
@ -116,12 +113,15 @@ class ClientDemodulatorChain(Chain):
self._updateDialFrequency()
self._syncSquelch()
outputRate = self.hdOutputRate if isinstance(self.demodulator, HdAudio) else self.outputRate
self.clientAudioChain.setClientRate(outputRate)
if self.metaWriter is not None and isinstance(demodulator, MetaProvider):
demodulator.setMetaWriter(self.metaWriter)
self.replace(1, demodulator)
self.clientAudioChain.setInputRate(clientRate)
outputRate = self.hdOutputRate if isinstance(self.demodulator, HdAudio) else self.outputRate
self.clientAudioChain.setClientRate(outputRate)
def stopDemodulator(self):
if self.demodulator is None:
return
@ -135,6 +135,8 @@ class ClientDemodulatorChain(Chain):
self.demodulator.stop()
self.demodulator = None
self.setSecondaryDemodulator(None)
def _getSelectorOutputRate(self):
if isinstance(self.demodulator, FixedIfSampleRateChain):
return self.demodulator.getFixedIfSampleRate()
@ -167,7 +169,8 @@ class ClientDemodulatorChain(Chain):
clientRate = self._getClientAudioInputRate()
self.clientAudioChain.setInputRate(clientRate)
self.demodulator.setSampleRate(clientRate)
if self.demodulator is not None:
self.demodulator.setSampleRate(clientRate)
self._updateDialFrequency()
self._syncSquelch()
@ -212,7 +215,7 @@ class ClientDemodulatorChain(Chain):
self.secondaryFftChain.setWriter(self.secondaryFftWriter)
def _syncSquelch(self):
if not self.demodulator.supportsSquelch() or (self.secondaryDemodulator is not None and not self.secondaryDemodulator.supportsSquelch()):
if self.demodulator is not None and not self.demodulator.supportsSquelch() or (self.secondaryDemodulator is not None and not self.secondaryDemodulator.supportsSquelch()):
self.selector.setSquelchLevel(-150)
else:
self.selector.setSquelchLevel(self.squelchLevel)