compositor: Revert most of previous patch.
authorJan Schmidt <jan@centricular.com>
Sun, 15 Mar 2015 16:53:33 +0000 (03:53 +1100)
committerJan Schmidt <jan@centricular.com>
Sun, 15 Mar 2015 17:00:44 +0000 (04:00 +1100)
commitd5ca311a0db7bffc63c2e579a196b626a257a750
treec0523b615c8d545046a3c2ac5bdea8afdff9cbdd
parent35ef602b7ddab3c18f724bcf12f18903e58e60d4
compositor: Revert most of previous patch.

The calculation doesn't produce the same results.
Keep just the change to divide alpha by 255 instead of 256,
for slightly better accuracy
gst/compositor/compositororc.orc