public unsafe void Rgb2YTest()
{
Pixel3B[] pixBuffer = new Pixel3B[256];
for (int i = 0; i < pixBuffer.Length; i++)
{
pixBuffer[i].SetGray((byte)i);
}
GCHandle hPix = GCHandle.Alloc(pixBuffer, GCHandleType.Pinned);
byte * pByteBuff = (byte *)hPix.AddrOfPinnedObject();
int[] gammaLUT = PixelMap.GetGammaCorrection(2.2);
GCHandle hGamma = GCHandle.Alloc(gammaLUT, GCHandleType.Pinned);
int * pGammaLUT = (int *)hGamma.AddrOfPinnedObject();
int dataLength = pixBuffer.Length * 3;
dataLength -= dataLength % 48;
PixelMap.ApllyGamma(pByteBuff, pixBuffer.Length * 3, dataLength, pGammaLUT);
hPix.Free();
hGamma.Free();
sbyte[] outBuff = new sbyte[256];
unsafe
{
fixed(Pixel3B *p = pixBuffer)
fixed(sbyte *pOutBuff = outBuff)
{
Pixel *pBuff = (Pixel *)p;
sbyte *pOut = pOutBuff;
byte * pB = (byte *)p;
InterWaveTransform.Rgb2Y(pBuff, 16, 16, 16 * 3, pOut, 16);
}
}
int outLength = outBuff.Length - 1;
for (int i = 0; i < outLength; i++)
{
//Console.WriteLine(unchecked((byte)outBuff[i]));
if (i > 0)
{
if (i < 94)
{
Assert.True(unchecked ((byte)outBuff[i]) <= unchecked ((byte)outBuff[i + 1]));
}
Assert.NotEqual(0, unchecked ((byte)outBuff[i]));
}
}
}
public void Rgb2YCbCr()
{
Pixel3B[] buffer = new Pixel3B[1920 * 1080];
GCHandle hBuffer = GCHandle.Alloc(buffer, GCHandleType.Pinned);
IntPtr pBuffer = hBuffer.AddrOfPinnedObject();
GenerateRandomBuffer(pBuffer, buffer.Length * Marshal.SizeOf <Pixel3B>());
IntPtr result = ColorSpace.Rgb2YCbCr(pBuffer, PixelFormat.BGR24);
if (hBuffer.IsAllocated)
{
hBuffer.Free();
}
}
