public void ProcessFrame(float[] data, int sampleCount)
{
fixed(float *fptr = &data[0])
{
NativeMethodsx64.ProcessFramef(this.nativePointer, new IntPtr(fptr), sampleCount);
}
}
public void Dispose()
{
if (nativePointer != IntPtr.Zero)
{
NativeMethodsx64.DeleteGistf(this.nativePointer);
this.nativePointer = IntPtr.Zero;
}
}
public float GetFeature(AudioFeaturesFlags flag)
{
fixed(float *fptr = &this.featureData[0])
{
NativeMethodsx64.RetrieveFeaturesf(this.nativePointer, new IntPtr(fptr), flag);
}
return(this.featureData[0]);
}
public Dictionary <AudioFeaturesFlags, float> GetFeatures(AudioFeaturesFlags flags)
{
Dictionary <AudioFeaturesFlags, float> result = new Dictionary <AudioFeaturesFlags, float>();
fixed(float *fptr = &this.featureData[0])
{
NativeMethodsx64.RetrieveFeaturesf(this.nativePointer, new IntPtr(fptr), flags);
}
int offset = 0;
int feature = 1;
for (int i = 0; i < 11; i++)
{
AudioFeaturesFlags f = (AudioFeaturesFlags)feature;
if (flags.HasFlag(f))
{
result.Add(f, this.featureData[offset]);
offset++;
}
feature *= 2;
}
return(result);
}
public Gist(int sampleRate, int frameSize)
{
this.nativePointer = NativeMethodsx64.CreateGistf(frameSize, sampleRate);
this.frameSize = frameSize;
this.spectrumData = new float[frameSize / 2];
}