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Refactor for sample rate changes, audio thread race crash fixes

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Charles J. Cliffe
2015-03-15 21:02:26 -04:00
parent b197a7ddb2
commit 4147582d2a
12 changed files with 211 additions and 65 deletions
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src/demod/DemodulatorWorkerThread.cpp
+20
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@@ -49,6 +49,26 @@ void DemodulatorWorkerThread::threadMain() {
result.audioResampler = msresamp_rrrf_create(result.audioResamplerRatio, As);
result.stereoResampler = msresamp_rrrf_create(result.audioResamplerRatio, As);
result.audioSampleRate = filterCommand.audioSampleRate;
// Stereo filters / shifters
double firStereoCutoff = 0.5 * ((double) 36000 / (double) filterCommand.audioSampleRate); // filter cutoff frequency
float ft = 0.05f; // filter transition
float mu = 0.0f; // fractional timing offset
if (firStereoCutoff < 0) {
firStereoCutoff = 0;
}
if (firStereoCutoff > 0.5) {
firStereoCutoff = 0.5;
}
unsigned int h_len = estimate_req_filter_len(ft, As);
float *h = new float[h_len];
liquid_firdes_kaiser(h_len, firStereoCutoff, As, mu, h);
result.firStereoLeft = firfilt_rrrf_create(h, h_len);
result.firStereoRight = firfilt_rrrf_create(h, h_len);
}
if (filterCommand.bandwidth) {