video-converter: add alpha handling
authorWim Taymans <wtaymans@redhat.com>
Tue, 24 Feb 2015 16:26:31 +0000 (17:26 +0100)
committerWim Taymans <wtaymans@redhat.com>
Tue, 24 Feb 2015 16:29:18 +0000 (17:29 +0100)
commit5077a5e3af29071ae0ad88068942d91db9972ac0
treeda531dad71717272eb57431d347f0d98d927fe6f
parent5744b7995c8361cc1e481aed1bf0e0f853ed312b
video-converter: add alpha handling

Add support for alpha. Make it possible to copy, set and multiply the
alpha value of a frame during conversion.
Set the border alpha to 0xff by default.
Go over some of the fastpaths and add alpha handling.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=745006
gst-libs/gst/video/video-converter.c
gst-libs/gst/video/video-converter.h
gst-libs/gst/video/video-orc-dist.c
gst-libs/gst/video/video-orc-dist.h
gst-libs/gst/video/video-orc.orc