libyuv is an open source project that includes YUV
scaling and conversion functionality.It can be used
to convert to YUV from webcam formats for compression.
It can convert to RGB formats for rendering/effects.
Rotate by 90/180/270 degrees to adjust for mobile 
devices in portrait mode.

Note:
We are downloading from Debian because googlesource
keeps modifying its md5sum everytime resulting in
md5sum error.