Commit Graph

3 Commits

Author SHA1 Message Date
Nigel Tao
0424e74a0e 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
2014-06-26 13:29:30 +10:00
Nigel Tao
94ba43c478 go.image/vp8l: new package.
The blue-purple-pink image comes from
http://blog.golang.org/gophercon

The tux and yellow_rose images come from
https://developers.google.com/speed/webp/gallery2 and according to
that page, those images are in the public domain.

The gopher-doc images are http://golang.org/doc/gopher/doc.png
after quantizing its palette to 2/4/16/256 colors.

LGTM=r
R=r
CC=golang-codereviews
https://golang.org/cl/109010043
2014-06-17 21:51:57 +10:00
Nigel Tao
72be9c51b1 go.image/vp8: implement the loop filter.
The testdata files were created by:
cwebp video-001.png -o video-001.webp
dwebp -pgm video-001.webp -o tmp.pgm
convert tmp.pgm video-001.webp.ycbcr.png
rm tmp.pgm

LGTM=r
R=r
CC=chaishushan, golang-codereviews
https://golang.org/cl/91700044
2014-05-27 10:52:02 +10:00