tree ea69eeb78f277752f6bead247dbec146caac97a8
parent 94ba43c4786221df328229f694fa73a71558583b
author Nigel Tao <nigeltao@golang.org> 1403753370 +1000
committer Nigel Tao <nigeltao@golang.org> 1403753370 +1000
golang-hg f5be9965bb5280660e441a4ef45142d92a1b7222

go.image/vp8: implement the normal filter.

The testdata was generated via:
cwebp foo.png -o foo.lossy.webp
dwebp -pgm foo.lossy.webp -o tmp.pgm
convert tmp.pgm foo.lossy.webp.ycbcr.png
rm tmp.pgm

TBR=r
R=r
CC=golang-codereviews
https://golang.org/cl/107330043