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move fft calculations to dsp class

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This commit is contained in:
Jakob Ketterl
2020-12-19 16:41:48 +01:00
parent efe80a75f5
commit 40c07ebb57
3 changed files with 35 additions and 19 deletions
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16
owrx/fft.py
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@ -34,29 +34,15 @@ class SpectrumThread(csdr.output, SdrSourceEventClient):
dsp.setSocketClient(self.sdrSource.getSocketClient())
dsp.set_demodulator("fft")
def set_fft_averages(key, value):
samp_rate = props["samp_rate"]
fft_size = props["fft_size"]
fft_fps = props["fft_fps"]
fft_voverlap_factor = props["fft_voverlap_factor"]
dsp.set_fft_averages(
int(round(1.0 * samp_rate / fft_size / fft_fps / (1.0 - fft_voverlap_factor)))
if fft_voverlap_factor > 0
else 0
)
self.subscriptions = [
props.wireProperty("samp_rate", dsp.set_samp_rate),
props.wireProperty("fft_size", dsp.set_fft_size),
props.wireProperty("fft_fps", dsp.set_fft_fps),
props.wireProperty("fft_compression", dsp.set_fft_compression),
props.wireProperty("temporary_directory", dsp.set_temporary_directory),
props.filter("samp_rate", "fft_size", "fft_fps", "fft_voverlap_factor").wire(set_fft_averages),
props.wireProperty("fft_voverlap_factor", dsp.set_fft_voverlap_factor),
]
set_fft_averages(None, None)
dsp.csdr_dynamic_bufsize = props["csdr_dynamic_bufsize"]
dsp.csdr_print_bufsizes = props["csdr_print_bufsizes"]
dsp.csdr_through = props["csdr_through"]