media/libraries
huangdarwin a2a4ef5f40 Effect: Fix overlay alpha handling.
Before, a translucent overlay over an opaque video would result in a
translucent output. This is not consistent with physical properties of light
(if putting a translucent object in front of an opaque object, you can't see
behind the opaque object).

Using the mixing properties from DefaultVideoCompositor.

PiperOrigin-RevId: 586636275
2023-11-30 04:43:21 -08:00
..
2023-11-27 10:02:02 -08:00
2023-11-28 10:01:37 -08:00