1. dedc42e "Optimise" quantization step by replacing the division by a multiplication. by Pierre Ossman · 16 years ago
  2. 49dcbfb Split up the forward DCT routine into three stages by Pierre Ossman · 16 years ago
  3. 489583f The Independent JPEG Group's JPEG software v6a by Thomas G. Lane · 29 years ago
  4. 36a4ccc The Independent JPEG Group's JPEG software v5 by Thomas G. Lane · 30 years ago