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Diffstat (limited to 'dotfiles/system/.local/bin/mkplaylist')
| -rwxr-xr-x | dotfiles/system/.local/bin/mkplaylist | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/dotfiles/system/.local/bin/mkplaylist b/dotfiles/system/.local/bin/mkplaylist new file mode 100755 index 0000000..66b6e9c --- /dev/null +++ b/dotfiles/system/.local/bin/mkplaylist @@ -0,0 +1,173 @@ +#!/usr/bin/env bash +# Craig Jennings <c@cjennings.net> +# Basically just a bash wrapper around a find/grep/awk command pipe +# to generate m3u playlists from video or audio files in a directory. + +# One m3u playlist will be placed in the MUSIC_DIR, and another +# will be placed inside each playlist directory. +# It also converts .opus and .ogg files to .m4a for Android playback. + +# Note: +# This script requires the following utilities to be on the path: +# mid3v2 (aur package: python-mutagen) +# tageditor (aur package: tageditor) +# metaflac (aur package: flac) + +set -e + +MUSIC_DIR="$HOME/music" +# REQUIRED_TOOLS=("mid3v2" "tageditor") +REQUIRED_TOOLS=("mid3v2" "metaflac" "tageditor") + +# ---------------------------- Functions ---------------------------- + +usage () { + printf "\nUsage: mkplaylist <playlist_name>\n\n" + printf "mkplaylist - creates an m3u playlist in the $MUSIC_DIR directory\n" + printf "based the music and video files in directory which m3uplaylist is called.\n\n" + printf " - this script should be run in the directory containing the music or video files\n" + printf " - <playlist_name> is mandatory and shouldn't end with '.m3u' extension\n" + printf " - change the destination ($MUSIC_DIR) by editing this script\n\n" +} + +tag_music_file() { + while IFS= read -r file; do + filename=$(basename "$file") + extension="${filename##*.}" + artist=$(basename "$file" | cut -d '-' -f 1) + title=$(basename "$file" | cut -d '-' -f 2- | cut -d '.' -f 1) + outputfile="$(dirname "$file")/$title.flac" + + # If file is not already flac, convert it + if [ "$extension" != "flac" ]; then + + # Delete all tags using mid3v2 + mid3v2 --delete-all "$file" + ffmpeg -i "$file" -vn -c:a flac "$outputfile" + file="$outputfile" # Now we're working with the new FLAC file + + fi + + # Set artist and song title tags using metaflac + metaflac --set-tag="ARTIST=$artist" --set-tag="TITLE=$title" "$file" + + done +} + +# tag_music_file() { +# while IFS= read -r file; do +# filename=$(basename "$file") +# extension="${filename##*.}" +# artist=$(basename "$file" | cut -d '-' -f 1) +# title=$(basename "$file" | cut -d '-' -f 2- | cut -d '.' -f 1) +# outputfile="$(dirname "$file")/$title.flac" + +# # Delete all tags using mid3v2 +# mid3v2 --delete-all "$file" + +# # If file is not already flac, convert it +# if [ "$extension" != "flac" ]; then +# ffmpeg -i "$file" -vn -c:a flac "$outputfile" +# file="$outputfile" # Now we're working with the new FLAC file +# fi + +# # Set artist and song title tags using metaflac +# metaflac --set-tag="ARTIST=$artist" --set-tag="TITLE=$title" "$file" +# done +# } + +# tag_music_file() { +# while IFS= read -r file; do +# # Extract artist and song title from filename +# artist=$(basename "$file" | cut -d '-' -f 1) +# title=$(basename "$file" | cut -d '-' -f 2- | cut -d '.' -f 1) +# outputfile="$(dirname "$file")/$title.flac" + +# # Delete all tags using mid3v2 +# mid3v2 --delete-all "$file" + +# # Convert to flac and save to new file +# ffmpeg -i "$file" -vn -c:a flac "$outputfile" + +# # Set artist and song title tags using metaflac +# metaflac --set-tag="ARTIST=$artist" --set-tag="TITLE=$title" "$outputfile" +# done +# } + +# tag_music_file() { +# while IFS= read -r file; do +# # Extract artist and song title from filename +# artist=$(basename "$file" | cut -d '-' -f 1) +# title=$(basename "$file" | cut -d '-' -f 2 | cut -d '.' -f 1) +# outputfile="$(dirname "$file")/$title.flac" + +# # Delete all tags using mid3v2 +# mid3v2 --delete-all "$file" + +# # Set artist and song title tags using mid3v2 +# mid3v2 --artist="$artist" --song="$title" "$file" +# # Convert to flac and save to new file +# ffmpeg -i "$file" -vn -c:a flac "$outputfile" +# done +# } + +# tag_music_file() { +# while IFS= read -r file; do +# # Extract artist and song title from filename +# artist=$(basename "$file" | cut -d '-' -f 1) +# title=$(basename "$file" | cut -d '-' -f 2 | cut -d '.' -f 1) + +# # Delete all tags using mid3v2 +# mid3v2 --delete-all "$file" + +# # Set artist and song title tags using mid3v2 +# mid3v2 --artist="$artist" --song="$title" "$file" +# done +# } + + generate_music_m3u() { + printf "retagging music files....\n" + find "$(pwd)" -print | file -if - | grep -E '(audio)' | awk -F: '{print $1}' | tag_music_file + + printf "generating playlist.'%s'...\n" "$LOCAL_PLAYLIST" + find "$(pwd)" -print | file -if - | grep -E '(video|audio)' | + awk -F: '{print $1}' | while read -r line; do basename "$line"; done > "$LOCAL_PLAYLIST" + printf "generating playlist '%s'....\n" "$MUSIC_PLAYLIST" + find "$(pwd)" -print | file -if - | grep -E '(video|audio)' | awk -F: '{print $1}' > "$MUSIC_PLAYLIST" + printf "Done.\n\n" + } + + # ----------------------------- Script ---------------------------- + + # display usage if user specifically requests it + TYPE=$(tr '[a-z]' '[A-Z]' <<< "$@"); + [ "$TYPE" = "HELP" ] && usage && exit 1 + [ "$TYPE" = "-H" ] && usage&& exit 1 + + # check that all necessary tools are installed + for tool in ${REQUIRED_TOOLS[@]}; do + if ! type "$tool" >/dev/null 2>&1; then + printf "ERROR: The script requires '%s' but it is not installed or not in PATH.\n" "$tool" + exit 1 + fi + done + + # use directory name for playlist name when parameter doesn't exist + if [ $# -eq 0 ] + then + set -- "$(basename "$PWD")" + echo "no playlist name entered, so using directory name: '$(basename "$PWD")'" + fi + + # ask to overwrite if the playlist already exists + MUSIC_PLAYLIST="$MUSIC_DIR/$@.m3u" + LOCAL_PLAYLIST="./$@.m3u" + + if [ -f "$MUSIC_PLAYLIST" ]; then + read -p "$MUSIC_PLAYLIST exists. Overwrite (y/n) " yn + if [ "$yn" != "y" ] && [ "$yn" != "Y" ]; then + exit 0 + fi + fi + + generate_music_m3u |
