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#!/usr/bin/env bash
# {{ ansible_managed }}
# Mix in the normalized audio
# Usage: remux.sh $input_video
with_suffix() {
echo "$input_video" | sed "s/--\(reencoded\|original\).webm\$/--$1/"
}
input_video="$1"
input_audio="$(with_suffix "normalized.opus")"
output_video="$(with_suffix "final.webm")"
main_video="$(with_suffix "main.webm")"
main_subs="$(with_suffix "main.vtt")"
command="$(cat<<EOF
ffmpeg -i "$input_video" -i "$input_audio" -c:v copy -c:a copy -map 0:v:0 -map 1:a:0 "$output_video" &&
cp "$output_video" "$main_video" &&
if [[ -f "$main_subs" ]]; then touch -m "$main_subs"; fi
EOF
)"
printf "input: %s\ncomputed output: %s\nrelated main: %s\n\n" "$input_video" "$output_video" "$main_video"
printf "Produced incantation:\n%s\n\n" "$command"
while true;
do
read -r -p "Run it? y/n " -n 1 -r response
if [[ $response =~ ^([yY])$ ]]; then
eval "$command"
exit 0
else
printf "\nExiting\n"
exit 3
fi
done
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