Shell: audio transcoder with tag parameters.
Pierre Neidhardt
parent
5097953f76
commit
349eea6ea6
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@ -80,11 +80,7 @@ tc_text_2utf8 ()
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## You can easily set output folder to current folder with TC_AUDIO_DEST=".".
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TC_AUDIO_DEST="/media/data1/Musics/"
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## OGG quality ranges from -1 to 10. If TC_AUDIO_QUAL is 0, bitrate will be set
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## automatically according to the source.
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TC_AUDIO_QUAL=0
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## OGG values.
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## OGG quality ranges from -1 to 10.
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## -q-1 45 kbit/s
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## -q0 64 kbit/s
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## -q1 80 kbit/s
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@ -99,11 +95,10 @@ TC_AUDIO_QUAL=0
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## -q10 500 kbit/s
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## Artists: we use same value for artist and album_artist.
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## Genres: since this is not universal by nature, we do not put a genre in tags.
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## Composer: not universal neither, we prefer ARTIST over COMPOSER, so COMPOSER will be empty.
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## Genres: since this is not universal by nature, we do not put a genre in tags,
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## except for Classical and Soundtrack.
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TC_AUDIO_GENRE=""
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## TODO: implement.
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## Check for
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# MP3 CBR
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# In-tag Covers
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@ -113,17 +108,9 @@ tc_audio_scan()
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echo "void"
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}
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## TEST: move png,jpg and name $ALBUM - Cover.$EXT. if multiple png,jpg, append counter. TEST.
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## TEST: tr some chars like ´ to '. TEST.
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## TEST: remove useless tags. TEST.
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## TEST: dynamic quality. If aac or OGG, do not reencode. If FLAC or WavPack, reencode -q9. TEST.
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## TEST: remove cover from tags. TEST.
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## TEST: case checking. handle roman numerals. Handle initials. Handle exception list. TEST.
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## TEST: if dest exist, append date.
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## TODO: Empty composer field.
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## TODO: cover resolution check. Should be > 100x100. Above <1000x1000 should give a warning.
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## TODO: extract cover from tags if checksum does not match any from current folder.
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## TODO: Empty composer field.
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## TODO: tag parameters.
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# -a artist
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@ -141,6 +128,125 @@ tc_audio_scan()
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## should leave the only covers you want to keep in the working folder.
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tc_audio_transcode()
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{
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_printhelp ()
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{
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cat <<EOF
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Usage: $0 [OPTIONS] FILE
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Options:
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-p : preview (do not change file)
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-s : skip encoding
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Tags:
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-a : artist
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-d : date
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-g : genre
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-l : album
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-n : track number
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-t : title
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You can use the following variables to refer to existing tags:
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\$ALBUM
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\$ALBUM_ARTIST
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\$ARTIST
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\$COMPOSER
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\$DATE
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\$TYER
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\$GENRE
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\$TRACK
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Default output:
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\$TC_AUDIO_DEST/\$ARTIST/{{\$YEAR - }\$ALBUM/}\$ARTIST - {\$TRACK - }\$TITLE.\$OUTPUT_FORMAT
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Braces mean it is conditional.
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Examples:
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Set the 'artist' tag:
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$0 -a 'Franz Lizst' file.ogg
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Set 'artist' to be 'composer', and 'title' to be preceeded by 'artist'.
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$0 -a '\$COMPOSER' -t '$ARTIST - $TITLE' file.ogg
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IMPORTANT: you *must* use single quotes when using variables.
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EOF
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}
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## OPTIONS
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local SKIP
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SKIP=0
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local PREVIEW
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PREVIEW=0
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## TAGS
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local OUTPUT_ALBUM
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OUTPUT_ALBUM='$ALBUM'
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local OUTPUT_ARTIST
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OUTPUT_ARTIST='$ARTIST'
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local OUTPUT_DATE
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OUTPUT_DATE='$DATE'
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local OUTPUT_GENRE
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OUTPUT_GENRE=''
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local OUTPUT_TITLE
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OUTPUT_TITLE='$TITLE'
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local OUTPUT_TRACK
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OUTPUT_TRACK='$TRACK'
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## PROPERTIES
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local OUTPUT_FORMAT
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OUTPUT_FORMAT="ogg"
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local OUTPUT_BITRATE
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local OUTPUT_FILE
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local OGG_PARAM
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OGG_PARAM="-c:a libvorbis -b:a ${OUTPUT_BITRATE}k"
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while getopts ":a:d:g:l:n:t:hps" opt; do
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case $opt in
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a) OUTPUT_ARTIST=$OPTARG ;;
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d) OUTPUT_DATE=$OPTARG ;;
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g) OUTPUT_GENRE=$OPTARG ;;
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l) OUTPUT_ALBUM=$OPTARG ;;
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n) OUTPUT_TRACK=$OPTARG ;;
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t) OUTPUT_TITLE=$OPTARG ;;
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h)
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_printhelp "$0"
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return 1
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;;
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p)
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PREVIEW=1
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;;
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s)
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SKIP=1
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;;
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?)
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_printhelp "$0"
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return 1
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;;
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:)
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echo "Missing argument."
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echo "Use $0 -h for help."
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return 1
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;;
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esac
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done
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shift $(($OPTIND - 1))
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if [ $# -eq 0 ]; then
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_printhelp "$0"
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return
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fi
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##================================================================================
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## Get metadata.
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local METADATA
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local STREAM
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@ -173,12 +279,8 @@ tc_audio_transcode()
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local TITLE
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TITLE=$(_metadata_filter "title")
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[ -z "$TITLE" ] && TITLE="Unknown"
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local ARTIST
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ARTIST=$(_metadata_filter "artist")
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[ -z "$ARTIST" ] && ARTIST="Unknown"
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local ALBUM
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ALBUM=$(_metadata_filter "album")
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local ALBUM_ARTIST
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@ -190,41 +292,117 @@ tc_audio_transcode()
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local GENRE
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GENRE=""
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## We remove the track count if any
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local TRACK
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TRACK=$(_metadata_filter "track" | sed -e 's/^0*//' -e 's|/.*||')
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local DATE
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DATE=$(_metadata_filter "date")
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local TYER
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TYER=$(_metadata_filter "TYER" | sed -n 's/.*\([[:digit:]]\{4\}\).*/\1/p')
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##================================================================================
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## OUTPUT_* variables.
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## If DATE is not a year, we use TYER if it is a year.
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if [ ${#DATE} -ne 4 ] && [ ${#TYER} -eq 4 ]; then
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DATE="$TYER"
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OUTPUT_DATE="$TYER"
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fi
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[ -z "$TITLE" ] && OUTPUT_TITLE="Unknown"
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[ -z "$ARTIST" ] && OUTPUT_ARTIST="Unknown"
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eval OUTPUT_ARTIST=$OUTPUT_ARTIST
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eval OUTPUT_ALBUM=$OUTPUT_ALBUM
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eval OUTPUT_TITLE=$OUTPUT_TITLE
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eval OUTPUT_GENRE=$OUTPUT_GENRE
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eval OUTPUT_TRACK=$OUTPUT_TRACK
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eval OUTPUT_DATE=$OUTPUT_DATE
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## Only reencode if not in OGG and if SKIP not set..
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[ $SKIP -ne 0 ] && OGG_PARAM="" && OUTPUT_FORMAT="$FORMAT"
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[ "$FORMAT" = "ogg" ] && OGG_PARAM=""
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## TODO: test w/o qual to see default param.
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## QUALITY
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eval OUTPUT_BITRATE=${BITRATE}
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# if [ $OUTPUT_BITRATE -eq 0 ]; then
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# [ $BITRATE -le 45 ] && OUTPUT_BITRATE=45k
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# [ $BITRATE -gt 45 ] && OUTPUT_BITRATE=64k
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# [ $BITRATE -gt 64 ] && OUTPUT_BITRATE=80k
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# [ $BITRATE -gt 80 ] && OUTPUT_BITRATE=96k
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# [ $BITRATE -gt 96 ] && OUTPUT_BITRATE=112k
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# [ $BITRATE -gt 112 ] && OUTPUT_BITRATE=128k
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# [ $BITRATE -gt 128 ] && OUTPUT_BITRATE=160k
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# [ $BITRATE -gt 160 ] && OUTPUT_BITRATE=192k
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# [ $BITRATE -gt 192 ] && OUTPUT_BITRATE=224k
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# [ $BITRATE -gt 224 ] && OUTPUT_BITRATE=256k
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# [ $BITRATE -gt 256 ] && OUTPUT_BITRATE=320k
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# [ $BITRATE -gt 320 ] && OUTPUT_BITRATE=500k
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# fi
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## SET OUTPUT{,_FILE,_COVER} according to other OUTPUT_* variables.
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local OUTPUT
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local OUTPUT_FILE
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OUTPUT="$TC_AUDIO_DEST/$OUTPUT_ARTIST/"
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if [ -n "$OUTPUT_ALBUM" ]; then
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[ -n "$OUTPUT_DATE" ] && OUTPUT="$OUTPUT$OUTPUT_DATE - "
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OUTPUT="$OUTPUT$OUTPUT_ALBUM"
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fi
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OUTPUT_FILE="$OUTPUT/$OUTPUT_ARTIST"
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if [ -n "$OUTPUT_TRACK" ]; then
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## Make sure track number has two digits.
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if [ ${OUTPUT_TRACK} -lt 10 ]; then
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OUTPUT_FILE="$OUTPUT_FILE - 0$OUTPUT_TRACK"
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else
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OUTPUT_FILE="$OUTPUT_FILE - $OUTPUT_TRACK"
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fi
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fi
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OUTPUT_FILE="$OUTPUT_FILE - $OUTPUT_TITLE"
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## If file exist, we append a uniq timestamp to the name.
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[ -e "${OUTPUT_FILE}.$OUTPUT_FORMAT" ] && OUTPUT_FILE="$OUTPUT_FILE-$(date '+%F-%H%M%S')"
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##==============================================================================
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## PREVIEW
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echo "#### BEFORE"
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echo "ALBUM [$ALBUM]"
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echo "ALBUM_ARTIST [$ALBUM_ARTIST]"
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echo "ARTIST [$ARTIST]"
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echo "BITRATE [$BITRATE]"
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echo "COMPOSER [$COMPOSER]"
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echo "DATE [$DATE]"
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echo "DISC [$DISC]"
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echo "FORMAT [$FORMAT]"
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echo "GENRE [$GENRE]"
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echo "TITLE [$TITLE]"
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echo "TRACK [$TRACK]"
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echo "TYER [$TYER]"
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echo
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echo "#### AFTER"
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echo "ALBUM [$OUTPUT_ALBUM]"
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echo "ARTIST [$OUTPUT_ARTIST]"
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echo "BITRATE [$OUTPUT_BITRATE]"
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echo "DATE [$OUTPUT_DATE]"
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echo "FORMAT [$OUTPUT_FORMAT]"
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echo "GENRE [$OUTPUT_GENRE]"
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echo "TITLE [$OUTPUT_TITLE]"
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echo "TRACK [$OUTPUT_TRACK]"
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echo "===="
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echo "OUTPUT [$OUTPUT_FILE]"
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## DEBUG only.
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# echo "[$ALBUM]"
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# echo "[$ALBUM_ARTIST]"
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# echo "[$ARTIST]"
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# echo "[$BITRATE]"
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# echo "[$COMPOSER]"
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# echo "[$DATE]"
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# echo "[$DISC]"
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# echo "[$FORMAT]"
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# echo "[$GENRE]"
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# echo "[$TITLE]"
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# echo "[$TRACK]"
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# echo "[$TYER]"
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# echo "FORMAT: [$FORMAT]"
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# echo "BITRATE: [$TC_AUDIO_QUAL]"
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# echo "OUTPUT: [$OUTPUT_TRACK]"
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## OUTPUT
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local OUTPUT
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local OUTPUT_TRACK
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local OUTPUT_COVER
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OUTPUT="$TC_AUDIO_DEST/$ARTIST/"
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if [ -n "$ALBUM" ]; then
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[ -n "$DATE" ] && OUTPUT="$OUTPUT$DATE - "
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OUTPUT="$OUTPUT$ALBUM"
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fi
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[ $PREVIEW -ne 0 ] && return
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##==============================================================================
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## RUN PROCESS
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## Make sure directory exists.
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mkdir -p "$OUTPUT"
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@ -233,20 +411,9 @@ tc_audio_transcode()
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return
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fi
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OUTPUT_TRACK="$OUTPUT/$ARTIST"
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if [ -n "$TRACK" ]; then
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## Make sure track number has two digits.
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if [ ${TRACK} -lt 10 ]; then
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OUTPUT_TRACK="$OUTPUT_TRACK - 0$TRACK"
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else
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OUTPUT_TRACK="$OUTPUT_TRACK - $TRACK"
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fi
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fi
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OUTPUT_TRACK="$OUTPUT_TRACK - $TITLE"
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## If file exist, we append a uniq timestamp to the name.
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[ -e "${OUTPUT_TRACK}.ogg" ] && OUTPUT_TRACK="$OUTPUT_TRACK-$(date '+%F-%H%M%S')"
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## COVER
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local OUTPUT_COVER
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local COVER_COUNTER
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OUTPUT_COVER="$OUTPUT/"
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[ -n "$ALBUM" ] && OUTPUT_COVER="$OUTPUT_COVER$ALBUM - "
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@ -272,38 +439,20 @@ tc_audio_transcode()
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fi
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done
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## TODO: test w/o qual to see default param.
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## QUALITY
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if [ $TC_AUDIO_QUAL -eq 0 ]; then
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[ $BITRATE -le 45 ] && TC_AUDIO_QUAL=45k
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[ $BITRATE -gt 45 ] && TC_AUDIO_QUAL=64k
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[ $BITRATE -gt 64 ] && TC_AUDIO_QUAL=80k
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[ $BITRATE -gt 80 ] && TC_AUDIO_QUAL=96k
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[ $BITRATE -gt 96 ] && TC_AUDIO_QUAL=112k
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[ $BITRATE -gt 112 ] && TC_AUDIO_QUAL=128k
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[ $BITRATE -gt 128 ] && TC_AUDIO_QUAL=160k
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[ $BITRATE -gt 160 ] && TC_AUDIO_QUAL=192k
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[ $BITRATE -gt 192 ] && TC_AUDIO_QUAL=224k
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[ $BITRATE -gt 224 ] && TC_AUDIO_QUAL=256k
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[ $BITRATE -gt 256 ] && TC_AUDIO_QUAL=320k
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[ $BITRATE -gt 320 ] && TC_AUDIO_QUAL=500k
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fi
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## Zsh compatibility. We need it otherwise word splitting of parameter like
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## TC_SAMPLE will not work.
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local STATUS
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STATUS="$(set -o | grep 'shwordsplit' | awk '{print $2}')"
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[ "$STATUS" = "off" ] && set -o shwordsplit
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## DEBUG only.
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# echo "FORMAT: [$FORMAT]"
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# echo "BITRATE: [$TC_AUDIO_QUAL]"
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# echo "OUTPUT: [$OUTPUT_TRACK]"
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## TAG/RECODE
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ffmpeg -i "$1" $OGG_PARAM -metadata \
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title="$OUTPUT_TITLE",artist="$OUTPUT_ARTIST",track="$OUTPUT_TRACK",date="$OUTPUT_DATE",album="$OUTPUT_ALBUM",album_artist="$OUTPUT_ARTIST",genre="$OUTPUT_GENRE",composer="",TYER="",disc="" \
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"$OUTPUT_FILE.$OUTPUT_FORMAT"
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## TODO: set -o shwordsplit
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## Only reencode if not in OGG.
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local OGG_PARAM
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OGG_PARAM="-c:a libvorbis -b:a $TC_AUDIO_QUAL"
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[ "$FORMAT" = "ogg" ] && OGG_PARAM=""
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# ffmpeg -i "$1" $OGG_PARAM \
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ffmpeg -i "$1" -c:a libvorbis -b:a $TC_AUDIO_QUAL -metadata \
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title="$TITLE",artist="$ARTIST",track="$TRACK",date="$DATE",album="$ALBUM",album_artist="$ARTIST",genre="$GENRE",composer="$COMPOSER" \
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"$OUTPUT_TRACK.ogg"
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## Restore Zsh previous options. This will not turn off shwordsplit if it
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## was on before calling the function.
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[ "$STATUS" = "off" ] && set +o shwordsplit
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}
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@ -355,6 +504,9 @@ tc_video_audio2ogg()
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ffmpeg -threads 4 -i "$1" -vn -c:a libvorbis -b:a $TC_VIDEO_AUDIO_QUAL "${1%.*}-$(date '+%F-%H%M%S').ogg"
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}
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## TODO: separate functions.
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## tc_video_batch
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## tc_video_transcode
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tc_video_transcode()
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{
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_printhelp()
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Reference in New Issue