#!/bin/bash

ffmpeg\
 -loglevel debug\
 -init_hw_device vaapi=va:/dev/dri/renderD128\
 -init_hw_device opencl=ocldev@va -filter_hw_device ocldev\
 -f lavfi\
 -i openclsrc="kernel=ramp:size=hd1080\
 :format=yuv420p:rate=60:source='kernel.cl'"\
 -vframes 1\
 openclsrc_test.png