public ViewGenerator(SavedViewData info, int bufferSize, float sampleRate) { //Set this.info = info; this.bufferSize = bufferSize; //Configure offset mutator = new DownConverter(1); mutator.SampleRate = sampleRate; mutator.Frequency = info.offset; //Configure decimator decimator = new ComplexDecimator(sampleRate, sampleRate / info.decimation, (int)info.decimation); sampleRate /= info.decimation; //Get component list and image size components = info.CreateComponents(sampleRate, out width, out height); //Find out what workers are required foreach (var c in components) { fftRequired = fftRequired || c.RequiresFft; demodulatorRequired = demodulatorRequired || c.RequiresAudio; } //Create these workers if (fftRequired) { fft = new FFTProcessorComplex(info.fftSize); } if (demodulatorRequired) { //Set up decimator audioDecimationRate = DecimationUtil.CalculateDecimationRate(sampleRate, info.audioBandwidth, out audioOutputRate); audioDecimator = new ComplexDecimator(sampleRate, info.audioBandwidth, audioDecimationRate); //Set up demodulator demodulator = new WbFmDemodulator(); demodulator.Configure(bufferSize, audioOutputRate); } //Initialize all foreach (var c in components) { c.Init(info, fft, demodulator); } //Create buffers iqBuffer = UnsafeBuffer.Create(bufferSize, sizeof(Complex)); iqPtr = (Complex *)iqBuffer; }
protected override void PrepareBenchmark(int sampleRate, int bufferSize) { //Create buffers iqBuffer = UnsafeBuffer.Create(bufferSize, out iqBufferPtr); audioABuffer = UnsafeBuffer.Create(bufferSize, out audioABufferPtr); audioBBuffer = UnsafeBuffer.Create(bufferSize, out audioBBufferPtr); //Create IQ decimator decimator = ComplexDecimator.CalculateDecimator(sampleRate, bandwidth, 15, bandwidth * 0.05f, out float decimatedIqRate); //Create demodulator demod = new WbFmDemodulator(); demod.Configure(bufferSize, sampleRate, DecimationUtil.CalculateDecimationRate(decimatedIqRate, outputRateTarget, out float actualOutputRate)); demod.UseRds(); }