videomixer: Fix I420 blending to actually do something
authorSebastian Dröge <sebastian.droege@collabora.co.uk>
Thu, 28 May 2009 11:35:52 +0000 (13:35 +0200)
committerSebastian Dröge <sebastian.droege@collabora.co.uk>
Thu, 28 May 2009 11:35:52 +0000 (13:35 +0200)
commit699b696db8dfa17db3f3fe34b19ea1722420e024
treeb9d19638ae1dfbdc16caa904386d7d664750d1a1
parentad1f79fd817c0a8d7f40258c8e0ff94d20c1ef89
videomixer: Fix I420 blending to actually do something

For this we a) implement the checkers filling and b)
actually blend the src/dest by using the src alpha value
from the pad.
gst/videomixer/blend_i420.c