public void Decompress(TiffDecompressionContext context, ReadOnlyMemory <byte> input, Memory <byte> output)
{
// Copy frame header
JpegFrameHeader frameHeader = _frameHeader;
frameHeader = new JpegFrameHeader(frameHeader.SamplePrecision, (ushort)context.ImageSize.Height, (ushort)context.ImageSize.Width, frameHeader.NumberOfComponents, frameHeader.Components);
var decoder = new JpegDecoder();
decoder.StartOfFrame = JpegMarker.StartOfFrame0;
decoder.MemoryPool = context.MemoryPool;
decoder.SetFrameHeader(frameHeader);
decoder.SetRestartInterval(_restartInterval);
foreach (ComponentInfo componentInfo in _components)
{
decoder.SetQuantizationTable(componentInfo.QuantizationTable);
decoder.SetHuffmanTable(componentInfo.DcTable);
decoder.SetHuffmanTable(componentInfo.AcTable);
}
var outputWriter = new JpegBuffer8BitOutputWriter(context.ImageSize.Width, context.SkippedScanlines, context.SkippedScanlines + context.RequestedScanlines, decoder.NumberOfComponents, output);
decoder.SetOutputWriter(outputWriter);
var reader = new JpegReader(input);
decoder.ProcessScan(ref reader, _scanHeader);
}