home-manager/profiles/bash/ffmpeg-split.sh

   1 #!/usr/bin/env bash
   2 set -efu
   3
   4 input="$1"; shift
   5 ffprobe -print_format csv -show_chapters "$input" |
   6 cut -d ',' -f '5,7,8' |
   7 while IFS=, read -r start end chapter; do
   8   ffmpeg \
   9     -nostdin \
  10     -ss "$start" -to "$end" \
  11     -i "$input" \
  12     -c copy \
  13     -map 0 \
  14     -map_chapters -1 \
  15     "$@" \
  16     "$(printf %s "${input%.*}.$chapter.${input##*.}" | tr / _ | sed -e "s/\.\./_/g")"
  17 done