Refactor, allow MP3s as input files
Adds dependency on exiftool
This commit is contained in:
parent
23666cf899
commit
a432811b34
252
transcode.sh
252
transcode.sh
|
|
@ -1,106 +1,176 @@
|
|||
#!/bin/sh
|
||||
#!/bin/bash
|
||||
|
||||
output_owner=fruchti:data
|
||||
lockfile=/tmp/music-transcode.lock
|
||||
output_owner=
|
||||
input_directory=/data/music
|
||||
|
||||
if [ -f "$lockfile" ] ; then
|
||||
tmp_directory=/data/tmp
|
||||
lock_file=/tmp/music-transcode.lock
|
||||
|
||||
function die()
|
||||
{
|
||||
printf '%s\n' "$1" >&2
|
||||
exit "${2-1}"
|
||||
}
|
||||
|
||||
if [ -f "$lock_file" ] ; then
|
||||
echo "Another instance is already running. Exiting."
|
||||
echo "If you are certain this is the only instance, you can delete the lock file $lockfile"
|
||||
exit
|
||||
else
|
||||
touch "$lockfile"
|
||||
touch "$lock_file" || die "Could not create lock file."
|
||||
fi
|
||||
|
||||
tmpdir=/data/tmp
|
||||
|
||||
if [ ! -d "$tmpdir" ] ; then
|
||||
mkdir -p "$tmpdir"
|
||||
if [ ! -d "$tmp_directory" ] ; then
|
||||
mkdir -p "$tmp_directory" || die "Could not create temporary directory \"$tmp_directory\"."
|
||||
fi
|
||||
|
||||
function mp3()
|
||||
{
|
||||
output_directory="/data/mp3"
|
||||
|
||||
input_file="$1"
|
||||
output_file="`echo "$input_file" | sed -E "s#^$input_directory(.+)\\.[a-z0-9]+\\$#$output_directory\\1.mp3#g"`"
|
||||
|
||||
directory="`dirname "$output_file"`"
|
||||
if [ ! -d "$directory" ] ; then
|
||||
echo "New Directory: \"$directory\""
|
||||
mkdir -p "$directory" || die "Could not create directory \"$directory\"."
|
||||
fi
|
||||
|
||||
transcode=false
|
||||
|
||||
if [ ! -f "$output_file" ] ; then
|
||||
echo "New MP3: \"$output_file\""
|
||||
transcode=true
|
||||
elif [ "$input_file" -nt "$output_file" ] ; then
|
||||
echo "Input file is newer: \"$output_file\""
|
||||
transcode=true
|
||||
fi
|
||||
|
||||
if [ "$transcode" = true ] ; then
|
||||
input_type="`file -b --mime-type "$input_file"`"
|
||||
case "$input_type" in
|
||||
audio/flac)
|
||||
tmp_file="$tmp_directory/`basename "$output_file"`"
|
||||
echo "Transcoding MP3..."
|
||||
ffmpeg -hide_banner -loglevel fatal -i "$input_file" -y -b:a 320k -qscale:a 2 -id3v2_version 3 -f mp3 "$tmp_file" || die "Failed to transcode to \"$tmp_file\"."
|
||||
mv -f "$tmp_file" "$output_file" || die "Could not move file to \"$output_file\"."
|
||||
;;
|
||||
|
||||
audio/mpeg)
|
||||
echo "Copying MP3..."
|
||||
cp -f "$input_file" "$output_file"
|
||||
;;
|
||||
|
||||
*)
|
||||
die "Unsupported input type $input_type (\"$input_file\")"
|
||||
;;
|
||||
esac
|
||||
|
||||
if [ ! "$output_owner" = "" ] ; then
|
||||
chown $output_owner "$output_file" || die "Could not change permissions on \"$output_file\"."
|
||||
fi
|
||||
fi
|
||||
}
|
||||
|
||||
function ogg_add_cover()
|
||||
{
|
||||
ogg_file="$1"
|
||||
cover_file="$2"
|
||||
|
||||
tmp_metafile="$tmp_directory/metadata"
|
||||
tmp_mdimg="$tmp_directory/image-with-header"
|
||||
|
||||
cover_mime_type="`file -b --mime-type "$cover_file"`"
|
||||
|
||||
description=""
|
||||
vorbiscomment --list --raw "$ogg_file" > "$tmp_metafile" && \
|
||||
sed -i -e '/^metadata_block_picture/d' "$tmp_metafile" && \
|
||||
echo -n "" > "$tmp_mdimg" && \
|
||||
printf "0: %.8x" 3 | xxd -r -g0 >> "$tmp_mdimg" && \
|
||||
printf "0: %.8x" $(echo -n "$cover_mime_type" | wc -c) | xxd -r -g0 >> "$tmp_mdimg" && \
|
||||
echo -n "$cover_mime_type" >> "$tmp_mdimg" && \
|
||||
printf "0: %.8x" $(echo -n "$description" | wc -c) | xxd -r -g0 >> "$tmp_mdimg" && \
|
||||
echo -n "$description" >> "$tmp_mdimg" && \
|
||||
printf "0: %.8x" 0 | xxd -r -g0 >> "$tmp_mdimg" && \
|
||||
printf "0: %.8x" 0 | xxd -r -g0 >> "$tmp_mdimg" && \
|
||||
printf "0: %.8x" 0 | xxd -r -g0 >> "$tmp_mdimg" && \
|
||||
printf "0: %.8x" 0 | xxd -r -g0 >> "$tmp_mdimg" && \
|
||||
printf "0: %.8x" $(wc -c "$cover_file" | cut --delimiter=' ' --fields=1) | xxd -r -g0 >> "$tmp_mdimg" && \
|
||||
cat "$tmp_cover" >> "$tmp_mdimg" && \
|
||||
echo "metadata_block_picture=$(base64 --wrap=0 < "$tmp_mdimg")" >> "$tmp_metafile" && \
|
||||
vorbiscomment --write --raw --commentfile "$tmp_metafile" "$ogg_file" && \
|
||||
rm "$tmp_metafile" "$tmp_mdimg"
|
||||
}
|
||||
|
||||
function ogg()
|
||||
{
|
||||
output_directory="/data/ogg"
|
||||
|
||||
input_file="$1"
|
||||
output_file="`echo "$input_file" | sed -E "s#^$input_directory(.+)\\.[a-z0-9]+\\$#$output_directory\\1.ogg#g"`"
|
||||
|
||||
directory="`dirname "$output_file"`"
|
||||
if [ ! -d "$directory" ] ; then
|
||||
echo "New Directory: \"$directory\""
|
||||
mkdir -p "$directory" || die "Could not create directory \"$directory\"."
|
||||
fi
|
||||
|
||||
transcode=false
|
||||
|
||||
if [ ! -f "$output_file" ] ; then
|
||||
echo "New OGG: \"$output_file\""
|
||||
transcode=true
|
||||
elif [ "$input_file" -nt "$output_file" ] ; then
|
||||
echo "Input file is newer: \"$output_file\""
|
||||
transcode=true
|
||||
fi
|
||||
|
||||
if [ "$transcode" = true ] ; then
|
||||
input_type="`file -b --mime-type "$input_file"`"
|
||||
|
||||
tmp_ogg="$tmp_directory/`basename "$output_file"`"
|
||||
tmp_cover="$tmp_directory/cover"
|
||||
|
||||
case "$input_type" in
|
||||
audio/flac)
|
||||
echo "Transcoding OGG..."
|
||||
ffmpeg -hide_banner -loglevel fatal -i "$input_file" -y -map a -qscale:a 6 -id3v2_version 3 -f ogg "$tmp_ogg" || die "Could not transcode to \"$tmp_ogg\"."
|
||||
|
||||
echo "Adding OGG cover image..."
|
||||
metaflac --export-picture-to="$tmp_cover" "$input_file" && \
|
||||
ogg_add_cover "$tmp_ogg" "$tmp_cover" || die "Could not add cover image to \"$tmp_ogg\"."
|
||||
|
||||
mv -f "$tmp_ogg" "$output_file" || die "Could not move file to \"$output_file\"."
|
||||
;;
|
||||
|
||||
audio/mpeg)
|
||||
echo "Transcoding OGG..."
|
||||
ffmpeg -hide_banner -loglevel fatal -i "$input_file" -y -map a -qscale:a 6 -id3v2_version 3 -f ogg "$tmp_ogg" || die "Could not transcode to \"$tmp_ogg\"."
|
||||
|
||||
echo "Adding OGG cover image..."
|
||||
exiftool -Picture -b "$input_file" > "$tmp_cover" && \
|
||||
ogg_add_cover "$tmp_ogg" "$tmp_cover" || die "Could not add cover image to \"$tmp_ogg\"."
|
||||
|
||||
mv -f "$tmp_ogg" "$output_file" || die "Could not move file to \"$output_file\"."
|
||||
;;
|
||||
|
||||
*)
|
||||
die "Unsupported input type $input_type (\"$input_file\")"
|
||||
;;
|
||||
esac
|
||||
|
||||
if [ ! "$output_owner" = "" ] ; then
|
||||
chown $output_owner "$output_file" || die "Could not change permissions on \"$output_file\"."
|
||||
fi
|
||||
fi
|
||||
}
|
||||
|
||||
SAVEIFS=$IFS
|
||||
IFS=`echo -ne "\n\b"`
|
||||
for flac in `find /data/music -name '*.flac' | sort`; do
|
||||
# MP3
|
||||
|
||||
mp3=`echo "$flac" | sed -e 's/^\/data\/music/\/data\/mp3/' -e 's/.flac$/.mp3/'`
|
||||
tmpmp3="$tmpdir/`basename "$mp3"`"
|
||||
mp3dir=`dirname "$mp3"`
|
||||
transcodemp3=false
|
||||
|
||||
if [ ! -d "$mp3dir" ] ; then
|
||||
echo "New Directory: \"$mp3dir\""
|
||||
mkdir -p "$mp3dir"
|
||||
fi
|
||||
|
||||
if [ ! -f "$mp3" ] ; then
|
||||
echo "New MP3: \"$mp3\""
|
||||
transcodemp3=true
|
||||
elif [ "$flac" -nt "$mp3" ] ; then
|
||||
echo "FLAC is newer: \"$mp3\""
|
||||
transcodemp3=true
|
||||
fi
|
||||
|
||||
if [ "$transcodemp3" = true ] ; then
|
||||
echo "Transcoding MP3..."
|
||||
# ffmpeg -i "$flac" -y -b:a 320k -qscale:a 2 -f mp3 "$mp3"
|
||||
ffmpeg -hide_banner -loglevel fatal -i "$flac" -y -b:a 320k -qscale:a 2 -id3v2_version 3 -f mp3 "$tmpmp3" && \
|
||||
mv -f "$tmpmp3" "$mp3" && \
|
||||
chown $output_owner "$mp3"
|
||||
echo -e "Done.\n"
|
||||
fi
|
||||
|
||||
# OGG
|
||||
|
||||
ogg=`echo "$flac" | sed -e 's/^\/data\/music/\/data\/ogg/' -e 's/.flac$/.ogg/'`
|
||||
tmpogg="$tmpdir/`basename "$ogg"`"
|
||||
tmpcover="$tmpdir/cover"
|
||||
tmpmetafile="$tmpdir/metadata"
|
||||
tmpmdimg="$tmpdir/image-with-header"
|
||||
oggdir=`dirname "$ogg"`
|
||||
transcodeogg=false
|
||||
|
||||
if [ ! -d "$oggdir" ] ; then
|
||||
echo "New Directory: \"$oggdir\""
|
||||
mkdir -p "$oggdir"
|
||||
fi
|
||||
|
||||
if [ ! -f "$ogg" ] ; then
|
||||
echo "New OGG: \"$ogg\""
|
||||
transcodeogg=true
|
||||
elif [ "$flac" -nt "$ogg" ] ; then
|
||||
echo "FLAC is newer: \"$ogg\""
|
||||
transcodeogg=true
|
||||
fi
|
||||
|
||||
if [ "$transcodeogg" = true ] ; then
|
||||
echo "Transcoding OGG..."
|
||||
|
||||
ffmpeg -hide_banner -loglevel fatal -i "$flac" -y -map a -qscale:a 6 -id3v2_version 3 -f ogg "$tmpogg" && \
|
||||
mv -f "$tmpogg" "$ogg" && \
|
||||
metaflac --export-picture-to="$tmpcover" "$flac" && \
|
||||
covermimetype="image/png" && \
|
||||
covermimetype="`file -b --mime-type "$tmpcover"`" && \
|
||||
description="" && \
|
||||
vorbiscomment --list --raw "$ogg" > "$tmpmetafile" && \
|
||||
sed -i -e '/^metadata_block_picture/d' "$tmpmetafile" && \
|
||||
echo -n "" > "$tmpmdimg" && \
|
||||
printf "0: %.8x" 3 | xxd -r -g0 >> "$tmpmdimg" && \
|
||||
printf "0: %.8x" $(echo -n "$covermimetype" | wc -c) | xxd -r -g0 >> "$tmpmdimg" && \
|
||||
echo -n "$covermimetype" >> "$tmpmdimg" && \
|
||||
printf "0: %.8x" $(echo -n "$description" | wc -c) | xxd -r -g0 >> "$tmpmdimg" && \
|
||||
echo -n "$description" >> "$tmpmdimg" && \
|
||||
printf "0: %.8x" 0 | xxd -r -g0 >> "$tmpmdimg" && \
|
||||
printf "0: %.8x" 0 | xxd -r -g0 >> "$tmpmdimg" && \
|
||||
printf "0: %.8x" 0 | xxd -r -g0 >> "$tmpmdimg" && \
|
||||
printf "0: %.8x" 0 | xxd -r -g0 >> "$tmpmdimg" && \
|
||||
printf "0: %.8x" $(wc -c "$tmpcover" | cut --delimiter=' ' --fields=1) | xxd -r -g0 >> "$tmpmdimg" && \
|
||||
cat "$tmpcover" >> "$tmpmdimg" && \
|
||||
echo "metadata_block_picture=$(base64 --wrap=0 < "$tmpmdimg")" >> "$tmpmetafile" && \
|
||||
vorbiscomment --write --raw --commentfile "$tmpmetafile" "$ogg" && \
|
||||
chown $output_owner "$ogg"
|
||||
|
||||
echo -e "Done.\n"
|
||||
fi
|
||||
for file in `find "$input_directory" -name '*.flac' -or -name '*.mp3' | sort`; do
|
||||
mp3 "$file"
|
||||
ogg "$file"
|
||||
done
|
||||
|
||||
echo "Done Transcoding."
|
||||
|
|
|
|||
Loading…
Reference in a new issue