mp4 remuxing script

fix-cloud-recording.sh

#!/bin/bash

set -e

if [ $# -ne 1 ]; then
  echo "Usage: ${0} <recording.mp4>"
  exit 255
fi

oldfile="${1}"
newfile="${1/.mp4/-fixed.mp4}"

if [ "${oldfile}" = "${newfile}" ]; then
  echo "File must have a .mp4 extension"
  exit 254
fi

gst-launch-1.0 \
  filesrc location="${oldfile}" ! qtdemux name=d \
  mp4mux name=m ! filesink location="${newfile}" \
  d. ! queue ! h264parse ! m. \
  d. ! queue ! aacparse ! m.