#!/bin/bash set -euo pipefail IFS=$'\n\t' ffmpeg \ -y \ -hide_banner \ -nostdin \ -re \ -loglevel warning \ -timeout 5 \ -i ${url} \ -filter_complex "[0:v] scale=w=640:h=360, fps=25 [scaled]; [0:a] ebur128=video=1:target=-16:gauge=shortterm:scale=relative:size=640x480[ebur][a1]; [ebur] fps=25 [v1]; [v1][scaled] vstack=inputs=2 [out]; [a1] anullsink" \ -map "[out]" \ -c:v mpeg2video \ -pix_fmt yuv420p \ -q:v 2 \ -keyint_min 0 \ -an \ -f rtp rtp://127.0.0.1:${port}