cfg/bin/quickcut
Knut Ahlers e0f4fcf6c9
Add quickcut ffmpeg wrapper
Signed-off-by: Knut Ahlers <knut@ahlers.me>
2022-05-17 21:45:34 +02:00

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#!/bin/zsh
set -euo pipefail
source ~/bin/script_framework.sh
function usage() {
fail "Usage: $0 <chapters file> <source video>"
}
chapters_file="${1:-}"
[[ -n $chapters_file ]] || usage
source_video="${2:-}"
[[ -n $source_video ]] || usage
IFS=$'\n'
for line in $(grep -vE "^(|#.*)$" ${chapters_file}); do
start_ts=$(echo "${line}" | cut -d ' ' -f 1)
end_ts=$(echo "${line}" | cut -d ' ' -f 2)
name=$(echo "${line}" | cut -d ' ' -f 3-)
step "Copying segment between ${start_ts}s and ${end_ts}s into file ${name}.${source_video##*.}"
ffmpeg -ss ${start_ts} -i "${source_video}" -c copy -t $((end_ts - start_ts)) "${name}.${source_video##*.}"
done