ffmpeg -i rtmp://localhost/live/$1 -async 1 -vsync -1 -c:v libx264 -b:v 256k -b:a 32k -vf "scale=480:trunc(ow/a/2)*2" -tune zerolatency -preset veryfast -crf 23 -f flv rtmp://localhost/low/$1_low -c copy -f flv rtmp://localhost/src/$1_nuevakey_src;
