public byte[] Encode(short[] depthBuffer, bool keyFrame)
{
int frameSize = _pixels.Length;
byte[] encodedFrame = new byte[frameSize];
int encodedDataBytes = 0;
if (keyFrame)
{
for (int i = 0; i < _pixels.Length; i++)
{
_pixels[i].value = depthBuffer[i];
_pixels[i].invalidCound = (short)((depthBuffer[i] == 0) ? 1 : 0);
}
encodedDataBytes = RVL.CompressRVL(depthBuffer, encodedFrame);
Array.Resize(ref encodedFrame, encodedDataBytes);
return(encodedFrame);
}
short[] pixelDiffs = new short[frameSize];
for (int i = 0; i < pixelDiffs.Length; i++)
{
pixelDiffs[i] = _pixels[i].value;
UpdatePixel(ref _pixels[i], depthBuffer[i], _changeThreshold, _invalidThreshold);
pixelDiffs[i] = (short)(_pixels[i].value - pixelDiffs[i]);
}
encodedDataBytes = RVL.CompressRVL(pixelDiffs, encodedFrame);
Array.Resize(ref encodedFrame, encodedDataBytes);
return(encodedFrame);
}
public short[] Decode(byte[] trvlEncodedFrame, bool keyFrame)
{
int frameSize = _previousPixelValues.Length;
if (keyFrame)
{
RVL.DecompressRVL(trvlEncodedFrame, _previousPixelValues);
return(_previousPixelValues);
}
RVL.DecompressRVL(trvlEncodedFrame, _pixelDiffs);
for (int i = 0; i < frameSize; i++)
{
_previousPixelValues[i] += _pixelDiffs[i];
}
return(_previousPixelValues);
}
