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A little script to help with extracting subtitles from .mkv files.
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| #!/bin/sh | |
| if ! command -v mkvmerge mkvextract >/dev/null 2>&1; then | |
| echo >&2 "Tools mkvmerge & mkvextract are required. Install package mkvtoolnix." | |
| exit 1 | |
| fi | |
| filename=$1 | |
| if [ ! -f "$filename" ]; then | |
| echo "File not found." | |
| exit 1 | |
| fi | |
| case "$filename" in | |
| *.mkv ) | |
| filename_no_ext=$(basename "$filename" .mkv) | |
| # old regexp doesn't work anymore since the idiots removed the display | |
| # of the language | |
| #sed_exp="s/Track\sID\s([0-9]{1,3}):.*language:([a-z]+).*/\1:'$filename_no_ext'-\1-\2/" | |
| sed_exp="s/Track\sID\s([0-9]{1,3}):.*/\1:'$filename_no_ext'-\1/" | |
| mkvmerge -i "${filename}" | grep subtitles | sed -r "${sed_exp}" | xargs mkvextract tracks "${filename}" | |
| mkvmerge -J v.mkv | jq -r ' | |
| .tracks | | |
| map((.id | tostring) + " " + .properties.language + " " + .codec) | | |
| join("\n") | |
| ' | |
| ;; | |
| *.mp4 ) | |
| filename_no_ext=$(basename "$filename" .mp4) | |
| ffmpeg -i "$filename" -map 0:s:0 "$filename_no_ext.srt" | |
| flip -ub "$filename_no_ext.srt" | |
| #sed -n -i '/^$/!{s/<[^>]*>//g;p;}' "$filename_no_ext.srt" | |
| sed -i 's/<[^>]\+>/ /g' "$filename_no_ext.srt" | |
| ;; | |
| *.ogm ) | |
| filename_no_ext=$(basename "$filename" .ogm) | |
| ffmpeg -i "$filename" -map 0:s:0 "$filename_no_ext.srt" | |
| flip -ub "$filename_no_ext.srt" | |
| #sed -n -i '/^$/!{s/<[^>]*>//g;p;}' "$filename_no_ext.srt" | |
| sed -i 's/<[^>]\+>/ /g' "$filename_no_ext.srt" | |
| ;; | |
| esac |
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