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restore live switching capability for fft compression

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This commit is contained in:
Jakob Ketterl 2021-09-28 16:55:17 +02:00
parent c89394822a
commit d869c5ee2d
1 changed files with 13 additions and 4 deletions
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17
owrx/fft.py
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@ -52,17 +52,26 @@ class SpectrumThread(SdrSourceEventClient):
self.props.wireProperty("samp_rate", self.dsp.setSampleRate), self.props.wireProperty("samp_rate", self.dsp.setSampleRate),
self.props.wireProperty("fft_fps", self.dsp.setFps), self.props.wireProperty("fft_fps", self.dsp.setFps),
self.props.wireProperty("fft_voverlap_factor", self.dsp.setVOverlapFactor), self.props.wireProperty("fft_voverlap_factor", self.dsp.setVOverlapFactor),
self.props.wireProperty("fft_compression", self.dsp.setCompression), self.props.wireProperty("fft_compression", self._setCompression),
] ]
if self.sdrSource.isAvailable():
self.dsp.setReader(self.sdrSource.getBuffer().getReader())
def _setCompression(self, compression):
if self.reader:
self.reader.stop()
try:
self.dsp.setCompression(compression)
except ValueError:
# expected since the compressions have different formats
pass
buffer = Buffer(self.dsp.getOutputFormat()) buffer = Buffer(self.dsp.getOutputFormat())
self.dsp.setWriter(buffer) self.dsp.setWriter(buffer)
self.reader = buffer.getReader() self.reader = buffer.getReader()
threading.Thread(target=self.dsp.pump(self.reader.read, self.sdrSource.writeSpectrumData)).start() threading.Thread(target=self.dsp.pump(self.reader.read, self.sdrSource.writeSpectrumData)).start()
if self.sdrSource.isAvailable():
self.dsp.setReader(self.sdrSource.getBuffer().getReader())
def stop(self): def stop(self):
if self.dsp is None: if self.dsp is None:
return return