#!/bin/bash

meinlogo=/pfad/zum/logo.png
stempel=" movie=${meinlogo} [watermark]; [in][watermark] overlay=main_w-overlay_w-5:main_h-overlay_h-5 [out] "

ffmpeg -i ${1} -vf "${stempel}"  -c:v libvpx-vp9    -b:v 1M -pass 1 -an -f mp4  /dev/null -y && \
ffmpeg -i ${1} -vf "${stempel}"  -c:v libvpx-vp9    -b:v 1M -pass 2 -ac 1 -c:a libopus  ${1}.webm