--- /dev/null
+#! /bin/bash
+#
+# This script converts a directory containing .flac files to MP3 using lame encoder
+#
+# Basic logic for FLAC --> ID3v1, v2 conversion
+# If ALBUMARTIST defined then ALBUMARTIST --> (-, TPE2)
+# else if BAND defined then BAND --> (-, TPE2)
+# else ARTIST --> (-, TPE2)
+# ALBUM --> (ALBUM, TALB)
+# ARTIST --> (ARTIST, TPE1)
+# TRACKNUMBER --> (TRACK, TRCK)
+# TITLE --> (TITLE, TIT2)
+# GENRE --> (GENRE, TCON)
+# COMMENT --> (COMMENT, COMM)
+# If DATE defined then DATE --> (YEAR, TYER)
+# else if YEAR defined then YEAR --> (YEAR, TYER)
+# If DISCNUMBER defined then DISCNUMBER --> (-, TPOS)
+# else TPOS=1
+# If coverfile defined, add that to MP3 as well (ID3v2 only, APIC):
+# search order for cover images: TPE2 - TALB.*, TALB.*, cover.* Cover.*
+# folder.* Folder.* front.* Front.*
+# where extension can be jpg, png or gif
+# Version history
+# 1.0 first version
+# 2.0 extended with command line options
+# 2.1 in case of error in processing, dumps the content of lame command line
+# to help debug
+# uses mktemp instead of using fixed file names
+# (can run multiple instances of script)
+# 3.0 full directory walk added, so entire trees can be converted (if not existing already)
+#
+
+#set -xv
+
+VERSION="3.0"
+
+print_usage ()
+{
+ echo "Usage: `basename $0` [options] <src-path>"
+ echo "Options: -h Print usage"
+ echo " -d Debug level (0..2)"
+ echo " -r Remove FLAC input file after processing"
+ echo " -D<dest-path> Path to output MP3 files (default is ../Mp3)"
+ echo " -Vn Set the target bitrate (quality) of LAME VBR encoder"
+ echo " where n = 0 target bitrate 245 kbit/s"
+ echo " n = 1 target bitrate 225 kbit/s"
+ echo " n = 2 target bitrate 190 kbit/s"
+ echo " n = 3 target bitrate 175 kbit/s"
+ echo " n = 4 target bitrate 165 kbit/s"
+ echo " n = 5 target bitrate 130 kbit/s (default)"
+ echo " n = 6 target bitrate 115 kbit/s"
+ echo " n = 7 target bitrate 100 kbit/s"
+ echo " n = 8 target bitrate 85 kbit/s"
+ echo " n = 9 target bitrate 65 kbit/s"
+ echo ""
+ echo "Converts all *.flac files under <src-path> to MP3 format using LAME encoder"
+ echo "result files are placed to <dest-path>/<src-path>, default is ../Mp3/<src-path>"
+ echo "<src-path> should be a relative path for correct operation"
+}
+
+# Print diagnostic and error messages to stderr
+# $1: diagnostic level. Message printed if parameter <= set debug level
+# $2: message to be printed
+#
+printmsg ()
+{
+ if [ $(($1)) -le $((DBG_LEVEL)) ]
+ then
+ (>&2 echo "$2")
+ fi
+}
+
+
+# Traverse directory trees
+# $1: source path
+# $2: dest path
+#
+function traverse()
+{
+ for file in "$1"/* ; do
+ if [ ! -d "${file}" ]
+ then
+ printmsg 2 "__Checking file: ${file} for processing, extension: ${file##*.}"
+ if [ "${file##*.}" = "flac" ]
+ then
+ printmsg 1 "__File ${file} is a FLAC file and to be processed"
+ if [ ! -e "$2/${file%.*}.mp3" ]
+ then
+ printmsg 0 "__Converting file: ${file%.*}.flac"
+ printmsg 1 "__Destination file: $2/${file%.*}.mp3"
+ convertf2m "${file%.*}" "$2/${file%.*}"
+ else
+ printmsg 1 "__No conversion: $2/${file%.*}.mp3 exists"
+ fi
+ fi
+ else
+ printmsg 2 "__${file} is a directory, entering recursively"
+ printmsg 1 "__Checking existense of $2/${file}"
+ if [ ! -e "$2/${file}" ]
+ then
+ printmsg 2 "__Destination directory $2/${file} does not exist"
+ COUNTFILES=`ls -1 "${file}"/*.* 2>/dev/null | wc -l`
+ COUNTFLAC=`ls -1 "${file}"/*.flac 2>/dev/null | wc -l`
+ if [ $COUNTFILES == 0 ] || [ $COUNTFLAC != 0 ]
+ then
+ CRPATH="$2/${file}"
+ CRDIRSCRIPT=$(mktemp)
+ printmsg 0 "__Creating directory: $CRPATH"
+ echo "mkdir \"$CRPATH\"" >"$CRDIRSCRIPT"
+ chmod 700 "$CRDIRSCRIPT"
+ "$CRDIRSCRIPT"
+ rm "$CRDIRSCRIPT"
+ else
+ printmsg 1 "__Directory $2/${file} not created as source not empty and does not have FLAC files, files: $COUNTFILES, FLACs: $COUNTFLAC"
+ fi
+ else
+ printmsg 2 "__Directory $2/${file} exists"
+ fi
+ traverse "${file}" "$2"
+ fi
+ done
+}
+
+# Convert single FLAC file to Mp3
+# $1: source file with path (without .flac extension)
+# $2: destination file with path (without .mp3 extension)
+#
+convertf2m ()
+{
+ declare -i RESULT
+ declare -i COVEREXIST
+
+ printmsg 0 "============================================================"
+ printmsg 0 "File to be processed: $1.flac"
+ OUTF=$2.mp3
+ printmsg 0 "Output file name: `basename "$OUTF"`"
+
+ printmsg 0 "-------------------- Source tags ---------------------------"
+ ALBUM=`metaflac "$1.flac" --show-tag=ALBUM | sed s/.*=//g`
+ printmsg 0 "Album: <$ALBUM>"
+ ALBUMARTIST=`metaflac "$1.flac" --show-tag=ALBUMARTIST | sed s/.*=//g`
+ if [ -n "$ALBUMARTIST" ]
+ then
+ printmsg 0 "Album artist: <$ALBUMARTIST>"
+ fi
+ ARTIST=`metaflac "$1.flac" --show-tag=ARTIST | sed s/.*=//g`
+ printmsg 0 "Artist: <$ARTIST>"
+ BAND=`metaflac "$1.flac" --show-tag=BAND | sed s/.*=//g`
+ if [ -n "$BAND" ]
+ then
+ printmsg 0 "Band/orchesra: <$BAND>"
+ fi
+ COMMENT=`metaflac "$1.flac" --show-tag=COMMENT | sed s/.*=//g`
+ if [ -n "$COMMENT" ]
+ then
+ printmsg 0 "Comment: <$COMMENT>"
+ fi
+ COMPOSER=`metaflac "$1.flac" --show-tag=COMPOSER | sed s/.*=//g`
+ if [ -n "$COMPOSER" ]
+ then
+ printmsg 0 "Composer: <$COMPOSER>"
+ fi
+ DATE=`metaflac "$1.flac" --show-tag=DATE | sed s/.*=//g`
+ if [ -n "$DATE" ]
+ then
+ printmsg 0 "Date: <$DATE>"
+ fi
+ DISCNUMBER=`metaflac "$1.flac" --show-tag=DISCNUMBER | sed s/.*=//g`
+ if [ -n "$DISCNUMBER" ]
+ then
+ printmsg 0 "Disc #: <$DISCNUMBER>"
+ fi
+ GENRE=`metaflac "$1.flac" --show-tag=GENRE | sed s/.*=//g`
+ if [ -n "$GENRE" ]
+ then
+ printmsg 0 "Genre: <$GENRE>"
+ fi
+ TITLE=`metaflac "$1.flac" --show-tag=TITLE | sed s/.*=//g`
+ printmsg 0 "Title: <$TITLE>"
+ TOTALDISCS=`metaflac "$1.flac" --show-tag=TOTALDISCS | sed s/.*=//g`
+ if [ -n "$TOTALDISCS" ]
+ then
+ printmsg 0 "# of Discs: <$TOTALDISCS>"
+ fi
+ TOTALTRACKS=`metaflac "$1.flac" --show-tag=TOTALTRACKS | sed s/.*=//g`
+ if [ -n "$TOTALTRACKS" ]
+ then
+ printmsg 0 "# of Tracks: <$TOTALTRACKS>"
+ fi
+ TRACKNUMBER=`metaflac "$1.flac" --show-tag=TRACKNUMBER | sed s/.*=//g`
+ printmsg 0 "Track #: <$TRACKNUMBER>"
+ YEAR=`metaflac "$1.flac" --show-tag=YEAR | sed s/.*=//g`
+ if [ -n "$YEAR" ]
+ then
+ printmsg 0 "Year: <$YEAR>"
+ fi
+
+ if [ -n "$ALBUMARTIST" ]
+ then
+ TPE2=$ALBUMARTIST
+ else
+ if [ -n "$BAND" ]
+ then
+ TPE2=$BAND
+ else
+ TPE2=$ARTIST
+ fi
+ fi
+ if [ -n "$DATE" ]
+ then
+ TYER=$DATE
+ else
+ if [ -n $YEAR ]
+ then
+ TYER=$YEAR
+ fi
+ fi
+ TALB=$ALBUM
+ TPE1=$ARTIST
+ TRCK=$TRACKNUMBER
+ TIT2=$TITLE
+ TCON=$GENRE
+ COMM=$COMMENT
+ if [ -n "$DISCNUMBER" ]
+ then
+ TPOS=$DISCNUMBER
+ else
+ TPOS="1"
+ fi
+ if [ -n "$TOTALDISCS" ]
+ then
+ TPOS="$TPOS/$TOTALDISCS"
+ else
+ TPOS="$TPOS/1"
+ fi
+ COVEREXIST=0
+ for img in "$TPE2 - $TALB" "$TALB" "cover" "Cover" "folder" "Folder" "front" "Front"
+ do
+ for ext in "jpg" "gif" "png"
+ do
+ COVERFILE="`dirname "$1"`/"$img"."$ext""
+ printmsg 2 "Trying: $COVERFILE"
+ if [ -e "$COVERFILE" ]
+ then
+ COVEREXIST=1
+ break
+ fi
+ done
+ if [ $COVEREXIST -eq 1 ]
+ then
+ printmsg 1 "Cover image file found: <`basename "$COVERFILE"`>"
+ APIC=$COVERFILE
+ break
+ fi
+ done
+ if [ $COVEREXIST -eq 0 ]
+ then
+ printmsg 0 "Cover image file: <-none->"
+ fi
+
+ printmsg 0 "-------------------- Output tags ---------------------------"
+ printmsg 0 "TPOS (Disc number): <$TPOS>"
+ printmsg 0 "TPE2 (Album artist/band): <$TPE2>"
+ printmsg 0 "TALB (Album): <$TALB>"
+ printmsg 0 "TRCK (Track number): <$TRCK>"
+ printmsg 0 "TPE1 (Track artist): <$TPE1>"
+ printmsg 0 "TIT2 (Track title): <$TIT2>"
+ printmsg 0 "TCON (Genre): <$TCON>"
+ printmsg 0 "TYER (Album date/year): <$TYER>"
+ printmsg 0 "COMM (Comment): <$COMM>"
+ if [ $COVEREXIST -eq 1 ]
+ then
+ printmsg 0 "APIC (Cover art file): <`basename "$APIC"`>"
+ else
+ printmsg 0 "APIC (Cover art file): <-none->"
+ fi
+ printmsg 0 ""
+
+ LAMEPARAMS="--ta \"${TPE1}\" --tl \"${TALB}\" --tn \"$TRCK\" --tt \"$TIT2\" "
+ if [ -n "$TPOS" ]
+ then
+ LAMEPARAMS="$LAMEPARAMS --tv TPOS=\"$TPOS\""
+ fi
+ if [ -n "$TPE2" ]
+ then
+ LAMEPARAMS="$LAMEPARAMS --tv TPE2=\"$TPE2\""
+ fi
+ if [ -n "$TCON" ]
+ then
+ LAMEPARAMS="$LAMEPARAMS --tg \"$TCON\""
+ fi
+ if [ -n "$TYER" ]
+ then
+ LAMEPARAMS="$LAMEPARAMS --ty \"$TYER\""
+ fi
+ if [ -n "$COMM" ]
+ then
+ LAMEPARAMS="$LAMEPARAMS --tc \"$COMM\""
+ fi
+ if [ -n "$APIC" ]
+ then
+ LAMEPARAMS="$LAMEPARAMS --ti \"$APIC\""
+ fi
+
+ LAMEPARAMS="flac -c -d \"$1.flac\" | lame -V$LAME_VBR --add-id3v2 --pad-id3v2 $LAMEPARAMS - \"$OUTF\""
+ LAMESCRIPT=$(mktemp)
+ printmsg 2 "Temporary file for lame parameters: $LAMESCRIPT"
+ echo $LAMEPARAMS > $LAMESCRIPT
+ chmod 700 $LAMESCRIPT
+ $LAMESCRIPT
+ RESULT=$?
+ RESULTALL=$RESULTALL+$RESULT
+ if [ $RESULT = 0 ]
+ then
+ printmsg 0 "Current operation result: OK ($RESULT)"
+ else
+ printmsg 0 "Current operation result: *** Error *** ($RESULT)"
+ cat "$LAMESCRIPT"
+ fi
+ if [ -e "$LAMESCRIPT" ]
+ then
+ rm $LAMESCRIPT
+ fi
+ if [ $FLAC_DELETE -eq 1 ] && [ $RESULT -eq 0 ]; then
+ rm "$1.flac"
+ printmsg 0 "Input file $1.flac deleted."
+ fi
+ (( NUMFILES++ ))
+}
+
+NO_ARGS=0
+E_OPTERROR=85
+FLAC_DELETE=0
+MP3PATH="../Mp3"
+LAME_VBR=5
+DBG_LEVEL=0
+declare -i RESULTALL
+declare -i NUMFILES
+RESULTALL=0
+NUMFILES=0
+
+echo "$(basename $0) [$VERSION] - FLAC to MP3 conversion script"
+
+# Test if script invoked without command-line arguments
+if [ $# -eq "$NO_ARGS" ]
+then
+ print_usage
+ exit $E_OPTERROR
+fi
+
+while getopts "d:rhD:V:" OPTION
+ do
+ case $OPTION in
+ d ) if [ "$OPTARG" -ge 0 ] && [ "$OPTARG" -le 2 ]
+ then
+ DBG_LEVEL=$OPTARG
+ echo "Debug level is set to $DBG_LEVEL"
+ else
+ print_usage
+ fi;;
+ r ) FLAC_DELETE=1
+ printmsg 0 "FLAC source files will be deleted after conversion";;
+ h ) print_usage;;
+ D ) MP3PATH=$OPTARG
+ printmsg 0 "MP3 output files will be written directory (relative to source dir): $MP3PATH";;
+ V ) if [ "$OPTARG" -ge 0 ] && [ "$OPTARG" -le 9 ]
+ then
+ LAME_VBR=$OPTARG
+ printmsg 0 "LAME VBR quality is set to $LAME_VBR"
+ else
+ print_usage
+ fi;;
+ esac
+ done
+shift $(($OPTIND - 1))
+
+traverse $1 $MP3PATH
+
+printmsg 0 "============================================================"
+printmsg 0 "Conversion complete"
+printmsg 0 "Files processed: $NUMFILES"
+if [ $RESULTALL = 0 ]
+then
+ printmsg 0 "Conversion process result: OK ($RESULTALL)"
+else
+ printmsg 0 "Conversion process result: *** Error *** ($RESULTALL)"
+fi
+
+exit $RESULTALL
projects / dotfiles.git / commitdiff