/// <summary>
/// Run the Inverse DCT method on all of the block data
/// </summary>
public void IdctData()
{
foreach (float[][][] t in scanData)
{
for (int v = 0; v < factorV; v++)
{
for (int h = 0; h < factorH; h++)
{
float[] toDecode = t[h][v];
ZigZag.UnZigZag(toDecode, unZZ);
byte[][] decoded = scanDecodedBufferPool.GetNext();
switch (JpegConstants.SelectedIdct)
{
case IdctImplementation.Naive:
dct.DoIDCT_Naive(unZZ, decoded);
break;
case IdctImplementation.AAN:
dct.DoIDCT_AAN(unZZ, quantizationTable, decoded);
break;
case IdctImplementation.NVidia:
dct.DoIDCT_NVidia(unZZ, decoded);
break;
}
scanDecoded.Add(decoded);
}
}
}
}