public override SpectrumContainer CreateSpectrum(SpectrumCreatorSettings settings)
{
//settings.AudioContainer.SampleRate
var slices = new List <SpectrumSlice>();
for (var frequency = settings.SpectrumMinFrequency; frequency < settings.SpectrumMaxFrequency; frequency += settings.SpectrumFrequencyStep)
{
var scale = frequency;
for (int i = 0; i < 100; i++)
{
}
}
Console.WriteLine("!!!");
var container = new SpectrumContainer(slices);
return(container);
}
public override unsafe SpectrumContainer CreateSpectrum(SpectrumCreatorSettings settings)
{
nuint signalsBufferElementsCount = (nuint)AudioContainer.SamplesCount;
nuint signalsBufferSize = signalsBufferElementsCount * sizeof(float);
var signalsBuffer = _cl.CreateBuffer(_context, CLEnum.MemReadOnly, signalsBufferSize, null, out var errorCode);
CheckSuccess(errorCode);
nuint bufferOutputElementsCount = 10;
nuint bufferKernelOutputSize = bufferOutputElementsCount * sizeof(float);
var bufferKernelOutput = _cl.CreateBuffer(_context, CLEnum.MemWriteOnly, bufferKernelOutputSize, null, out errorCode);
CheckSuccess(errorCode);
var signalsInputHostBuffer = new UnmanagedArray <float>(signalsBufferElementsCount);
signalsInputHostBuffer[0] = 6;
signalsInputHostBuffer[1] = 8;
_cl.EnqueueWriteBuffer(_commandQueue, signalsBuffer, true, 0, signalsBufferSize, signalsInputHostBuffer, 0, 0, out var @event);
var res = _cl.SetKernelArg(_kernelHandle, 0, (nuint)sizeof(nuint), signalsBuffer);
CheckSuccess(res);
res = _cl.SetKernelArg(_kernelHandle, 1, (nuint)sizeof(nuint), bufferKernelOutput);
CheckSuccess(res);
//var globalWorkSize = new UnmanagedArray<nuint>(3)
//{
// bufferInputElementsCount, 0, 0
//};
var localWorkSize = new UnmanagedArray <nuint>(3)
{
1, 1, 1
};
res = _cl.EnqueueNdrangeKernel(_commandQueue, _kernelHandle, 1, 0, signalsBufferElementsCount, localWorkSize, 0, null, out var calculateEvent);
CheckSuccess(res);
_cl.Finish(_commandQueue);
var outputHostBuffer = new UnmanagedArray <float>(bufferKernelOutputSize / sizeof(float));
res = _cl.EnqueueReadBuffer(_commandQueue, bufferKernelOutput, true, 0, bufferKernelOutputSize, outputHostBuffer, 0, null, out @event);
CheckSuccess(res);
var slices = new List <SpectrumSlice>();
SpectrumContainer = new SpectrumContainer(slices);
var x = outputHostBuffer[0];
_cl.ReleaseMemObject(signalsBuffer);
_cl.ReleaseMemObject(bufferKernelOutput);
_cl.ReleaseKernel(_kernelHandle);
_cl.ReleaseProgram(_program);
return(SpectrumContainer);
}
