commit 36a9d3979a03e303bfe6e070b41160ffa8177314 parent 17f7ba35842ba9615d34a839ca6780085af1b38c Author: Alex Balgavy <alex@balgavy.eu> Date: Sat, 22 Jan 2022 14:28:24 +0100 audiotag: a wrapper for audio tagger programs Diffstat:
| A | scripts/audiotag | | | 130 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
1 file changed, 130 insertions(+), 0 deletions(-)
diff --git a/scripts/audiotag b/scripts/audiotag @@ -0,0 +1,130 @@ +#!/bin/sh +# A wrapper for audio taggers for different formats +printfq() { printf "'%s'\n" "$(printf '%s' "$1" | sed -e "s/'/'\\''/g")"; } +die() { printf '%s\n' "$1" >&2 && exit 1; } + +PARAMS="" + +while [ $(($#)) -ne 0 ]; do + case "$1" in + -b|--band) + band="$2" + shift 2 + ;; + -t|--title) + title="$2" + shift 2 + ;; + -l|--album) + album="$2" + shift 2 + ;; + -r|--artist) + artist="$2" + shift 2 + ;; + -n|--number) + number="$2" + shift 2 + ;; + -x|--extract) + spec="$2" + shift 2 + ;; + -c|--clear) + clear=1 + shift + ;; + -h|--help) + printf 'Supported usage\n' + printf '%s -b albumartist -t title -l album -r artist -n tracknumber FILE\n' "$0" + printf '%s [--extract|-x] "filename_spec" FILE\n' "$0" + printf '%s [--clear|-c] FILE\n' "$0" + exit 0 + ;; + --) # end arg parsing + shift + break + ;; + -*) # unsupported flags + echo "Unsupported flag $1" >&2 + exit 1 + ;; + *) # preserve positional arguments + PARAMS="$PARAMS $(printfq "$1")" + shift + ;; + esac +done +eval set -- "$PARAMS" + +[ $# -eq 0 ] && die 'Need a file to operate on.' +[ $# -gt 1 ] && die 'Only single file argument supported right now.' +file="$1" +[ -f "$file" ] || die "File $file not readable." + +# Clear params, will rebuild them per command +set -- + +case "$file" in + *.mp3) + if [ -n "$clear" ]; then + command -v eyeD3 >/dev/null 2>&1 || die 'eyeD3 must be installed.' + eyeD3 --remove-all-objects "$file" + elif [ -n "$spec" ]; then + command -v taffy >/dev/null 2>&1 || die 'taffy must be installed.' + taffy --extract "$spec" "$file" + else + command -v eyeD3 >/dev/null 2>&1 || die 'eyeD3 must be installed.' + set -- --to-v2.4 + [ -n "$band" ] && set -- "$@" -b "$band" + [ -n "$title" ] && set -- "$@" -t "$title" + [ -n "$album" ] && set -- "$@" -A "$album" + [ -n "$artist" ] && set -- "$@" -a "$artist" + [ -n "$number" ] && set -- "$@" -n "$number" + eyeD3 "$@" "$file" + fi + ;; + *.opus) + command -v ffmpeg >/dev/null 2>&1 || die 'ffmpeg must be installed.' + if [ -n "$clear" ]; then + tempdir="$(mktemp -d)" + ffmpeg -i "$file" -map_metadata -1 -codec copy "$tempdir/output.opus" \ + && mv "$tempdir/output.opus" "$file" \ + && rmdir "$tempdir" + elif [ -n "$spec" ]; then + die 'Extracting from opus filename not yet supported.' + else + # See https://exiftool.org/TagNames/Vorbis.html#Comments + set -- -i "$file" -codec copy + [ -n "$band" ] && set -- "$@" -metadata ALBUMARTIST="$band" + [ -n "$title" ] && set -- "$@" -metadata TITLE="$title" + [ -n "$album" ] && set -- "$@" -metadata ALBUM="$album" + [ -n "$artist" ] && set -- "$@" -metadata ARTIST="$artist" + [ -n "$number" ] && set -- "$@" -metadata TRACKNUMBER="$number" + + tempdir="$(mktemp -d)" + ffmpeg "$@" "$tempdir/output.opus" \ + && mv "$tempdir/output.opus" "$file" \ + && rmdir "$tempdir" + fi + ;; + *.flac) + command -v metaflac >/dev/null 2>&1 || die 'metaflac must be installed.' + if [ -n "$clear" ]; then + metaflac --remove-all-tags "$file" + elif [ -n "$spec" ]; then + die 'Extracting from flac filename not yet supported.' + else + [ -n "$band" ] && set -- "$@" --set-tag=ALBUMARTIST="$band" + [ -n "$title" ] && set -- "$@" --set-tag=TITLE="$title" + [ -n "$album" ] && set -- "$@" --set-tag=ALBUM="$album" + [ -n "$artist" ] && set -- "$@" --set-tag=ARTIST="$artist" + [ -n "$number" ] && set -- "$@" --set-tag=TRACKNUMBER "$number" + + metaflac "$@" "$file" + fi + ;; + *) + die 'File format not (yet) supported.';; +esac