protected void SamplesCallback(IntPtr sampleBuffer, int size)
{
if (size == 0)
{
return;
}
if (size > 2048)
{
Debug.LogError("Input buffer is larger than target size!");
}
SampleBuffer buffer = GetEmptyBuffer();
//Copy samples into empty buffer.
Marshal.Copy(sampleBuffer, buffer.GetBuffer(), 0, size);
//Set buffer to in use.
buffer.Consume(0, size);
//Link the buffer.
if (this.HeadBuffer == null)
{
this.HeadBuffer = buffer;
}
else
{
this.HeadBuffer.Next = buffer;
buffer.Previous = this.HeadBuffer;
this.HeadBuffer = buffer;
}
}
public bool ResampleLerpRead <T>(
SampleProvider provider,
NativeArray <float> input,
SampleBuffer outputBuffer,
ParameterData <T> parameterData,
T rateParam)
where T : unmanaged, Enum
{
var finishedSampleProvider = false;
var outputL = outputBuffer.GetBuffer(0);
var outputR = outputBuffer.GetBuffer(1);
for (var i = 0; i < outputL.Length; i++)
{
Position += parameterData.GetFloat(rateParam, i);
var length = input.Length / 2;
while (Position >= length - 1)
{
m_LastLeft = input[length - 1];
m_LastRight = input[input.Length - 1];
finishedSampleProvider |= ReadSamples(provider, new NativeSlice <float>(input, 0));
Position -= length;
}
var positionFloor = Math.Floor(Position);
var positionFraction = Position - positionFloor;
var previousSampleIndex = (int)positionFloor;
var nextSampleIndex = previousSampleIndex + 1;
var prevSampleL = (previousSampleIndex < 0) ? m_LastLeft : input[previousSampleIndex];
var prevSampleR = (previousSampleIndex < 0) ? m_LastRight : input[previousSampleIndex + length];
var sampleL = input[nextSampleIndex];
var sampleR = input[nextSampleIndex + length];
outputL[i] = (float)(prevSampleL + (sampleL - prevSampleL) * positionFraction);
outputR[i] = (float)(prevSampleR + (sampleR - prevSampleR) * positionFraction);
}
return(finishedSampleProvider);
}