libwebp/man
skal cbdd3e6e53 add a -dither dithering option to the decoder
Even at high quality setting, the U/V quantizer step is limited
to 4 which can lead to banding on gradient.
This option allows to selectively apply some randomness to
potentially flattened-out U/V blocks and attenuate the banding.

This option is off by default in 'dwebp', but set to -dither 50
by default in 'vwebp'.

Note: depending on the number of blocks selectively dithered,
we can have up to a 10% slow-down in decoding speed it seems.

Change-Id: Icc2446007f33ddacb60b3a80a9e63f2d5ad162de
2013-11-27 00:57:51 -08:00
..
cwebp.1 add entry for '-resize' option in cwebp's man 2013-10-23 02:22:15 -07:00
dwebp.1 add a -dither dithering option to the decoder 2013-11-27 00:57:51 -08:00
gif2webp.1 gif2webp: Add a mixed compression mode 2013-11-17 18:04:07 -08:00
Makefile.am Add man page for gif2webp utility 2012-11-15 15:55:06 -08:00
webpmux.1 Add support for "no blend" in webpmux binary 2013-08-26 18:04:52 -07:00