commit 1a4ed0d70cd5a1a6b5b1402371654e16b2ebd57b
author sheu@chromium.org <sheu@chromium.org@4adac7df-926f-26a2-2b94-8c16560cd09d> Thu Oct 31 20:32:28 2013
committer sheu@chromium.org <sheu@chromium.org@4adac7df-926f-26a2-2b94-8c16560cd09d> Thu Oct 31 20:32:28 2013
tree 7bea5e5e56898b5459599f09f62b0546ea4dd4a8
parent de305014c62832a382d38144a9dc518cf1d02f88

Remove extra copy in VideoCaptureImpl::IncomingFrameI420

Add support for aliasing a I420VideoFrame (and internally, a Plane) to an
existing memory buffer without taking ownership.  Use this to remove an extra
copy in VideoCaptureImpl::IncomingFrameI420.

BUG=1128
TEST=local build, run Chromium on ARM, build, run Chromium/unittests on Linux
R=fischman@webrtc.org, mflodman@webrtc.org, mikhal@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/3179004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5068 4adac7df-926f-26a2-2b94-8c16560cd09d