/usr/bin/ffmpeg -hwaccel vaapi -vaapi_device /dev/dri/renderD128 -i pipe:0 -vf 'movie=/home/hts/HD.png [1:v]; [0:v][1:v] overlay=main_w-overlay_w-1:main_h-overlay_h-1,format=nv12,hwupload,scale_vaapi=w=1280:h=720 [out]' -c:v h264_vaapi -b:v 3500k -minrate 3500k -maxrate 3500k -bufsize 3500k -preset fast -c:a copy -f mpegts pipe:1