swscale: implement error dithering in planarCopyWrapper.
authorRonald S. Bultje <rsbultje@gmail.com>
Wed, 6 Jul 2011 03:48:13 +0000 (20:48 -0700)
committerRonald S. Bultje <rsbultje@gmail.com>
Fri, 8 Jul 2011 22:15:31 +0000 (15:15 -0700)
commit1ce724ee393a04a79cab9e7c28290fe7d82dadf2
treec336204fc2b408d1529c89ed268dccd3c2e8dc8a
parent4e3e333a79272944b40695166438359b376d7864
swscale: implement error dithering in planarCopyWrapper.

Based on a somewhat similar idea in FFmpeg's swscale.
libswscale/swscale_unscaled.c