1#!/bin/sh -u
 2set -x
 3o=$HOME/vid
 4
 5ffmpeg8 \
 6	-y \
 7-f x11grab -i $DISPLAY \
 8-vf 'format=nv12,hwupload' \
 9-vaapi_device '/dev/dri/renderD128' \
10-c:v h264_vaapi \
11$o/$1