#!/bin/sh
ls | sort -R | tail -1 | while read file; do
    ffmpeg -re -i $file -vcodec libx264 -preset veryfast -maxrate 3000k \
-bufsize 6000k -pix_fmt yuv420p -g 50 -ac 2 \
-ar 44100 -f flv rtmp://a.rtmp.youtube.com/live2/xd1936.sgqg-43s7-36h5-fttg
done