scripts/ff.extract.subs.sh

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2022-12-14 13:59:41 +01:00
#!/bin/bash
#
# From :
# https://gist.github.com/kowalcj0/ae0bdc43018e2718fb75290079b8839a
# Can be improve to call ffmpeg only one time :
# https://gist.github.com/kowalcj0/ae0bdc43018e2718fb75290079b8839a?permalink_comment_id=4187491#gistcomment-4187491
function subs() {
movie="${1}"
filename="${1%.*}"
mappings=`ffprobe -loglevel error -select_streams s -show_entries stream=index:stream_tags=language -of csv=p=0 "${movie}"`
OLDIFS=$IFS
IFS=,
( while read -r idx lang
do
echo "Exctracting ${lang} subtitle #${idx} from ${movie}"
ffmpeg -nostdin -hide_banner -loglevel quiet -i "${movie}" -map 0:"$idx" "${filename}_${lang}_${idx}.srt"
done <<< "${mappings}" )
IFS=$OLDIFS
}
subs "${1}"