implement MP3 encoding

atom

@@ -1068,14 +1068,24 @@ getDestFile() {
 	fi
 }
 
-transcodeFile() {
-	#sox -> wav
-	for format in $targets["format"]
-	do
-		#encodeFile::$format
-		:
-	done
-	#signal and of encoding to parent
+encodeFile::mp3() {
+	lameopts="--quiet -v --abr ${destinationquality[$destination]}"
+	[ -n "$album"	] && lameopts+=" --tl \"$album\""
+	[ -n "$artist"	] && lameopts+=" --ta \"$artist\""
+	[ -n "$genre"	] && lameopts+=" --tg \"$genre\""
+	[ -n "$title"	] && lameopts+=" --tt \"$title\""
+	[ -n "$track"	] && lameopts+=" --tn \"$track\""
+	[ -n "$year"	] && lameopts+=" --ty \"$year\""
+	encodetaskid=$(
+		Insert tasks <<-EOInsert
+			key		${fileid}lame$destination
+			requires	${soxtaskid:-$decodetaskid}
+			command_line	lame $lameopts "$tempdir/$tmpfile.wav" "$destdir/$destfile.mp3"
+			source_file	$fileid
+			status		0
+		EOInsert
+	)
+	progressSpin
 }
 
 checkFinished() {