tree 0a1940649fca62295840ea1ccdecb40d95d743b8
parent 0c9e2e9a1ddca6e120c4afa7f225968a9ab989bf
author Yaowu Xu <yaowu@google.com> 1361578688 -0800
committer Yaowu Xu <yaowu@google.com> 1361807247 -0800

optimize forward 16x16 DCT for accuracy

This commit added pre/post scaling for first half of fDCT16x16 to
reduce error, by simulation of 100,000 blocks for random inputs,
the average sse reduced from 2.1/block to 0.0498/block.

also enabled tests for 16x16 fDCT and iDCT

Change-Id: Id2a95f0464c6dd4118797d456237ae90274c0f02