Alexandre Lision authored Oct 19, 2015 and Guillaume Roguez committed Oct 19, 2015

YUV420P was allocating one large buffer on Linux and 3 on OSX.
This was causing read overflows. We use YUYV422 which is packed (always one buf)

Issue: #81116
Change-Id: I76456f72c6f155d181aa533aa62cb70b92f6eff1