stream.normalize

#!/bin/bash
# stream.normalize <source> [output]
# prepares multiple video sources for concatenation


if [[ -z "$2" ]]; then
        output="${1%%.*}.normalize.${1##*.}"
else
        output="$2"
fi

ffmpeg -r 30 -i "$1" \
  -filter_complex "[0:v]scale=1280:720, setpts=PTS-STARTPTS[outv];[0:a]dynaudnorm, asetpts=PTS-STARTPTS[outa]" \
  -map "[outv]" -map "[outa]" \
  -preset veryfast -c:v libx264 \
  -c:a libmp3lame \
  -hide_banner -y \
  -loglevel error \
  "$output"


#!/bin/bash
# stream.concat <source> <output>
# 
ffmpeg -f concat -safe 0 -i "$1" \
  -c:v copy -c:a copy \
  -hide_banner -y \
  -loglevel error \
  "$2"