releasecountry: attempt to write to destination

Limited support for MP3, ID3v2 is quite limited

lib/encode/mp3

@@ -11,6 +11,8 @@ encodeFile::mp3() {
 	[ -n "$albumartist" ] && lameopts+=(--tv TPE2="$albumartist")
 	[ -n "$composer" ] && lameopts+=(--tv TCOM="$composer")
 	[ -n "$performer" ] && lameopts+=(--tv TOPE="$performer")
+	[ -n "$releasecountry" ] \
+		&& lameopts+=(--tv TXXX="MusicBrainz Album Release Country=$releasecountry")
 	[ -n "$disc"	] && lameopts+=(--tv TPOS="$disc")
 	if (( ${destinationnoresample[$destination]:-0} == 1 ))
 	then

lib/encode/opus

@@ -11,6 +11,8 @@ encodeFile::opus() {
 	[ -n "$disc"	] && opusencopts+=(--comment "DISCNUMBER=$disc")
 	[ -n "$genre"	] && opusencopts+=(--comment "GENRE=$genre")
 	[ -n "$performer" ] && opusencopts+=(--comment "PERFORMER=$performer")
+	[ -n "$releasecountry" ] \
+		&& opusencopts+=(--comment "RELEASECOUNTRY=$releasecountry")
 	[ -n "$title"	] && opusencopts+=(--title "$title")
 	[ -n "$track"	] && opusencopts+=(--comment "TRACKNUMBER=${track%/*}")
 	[ -n "${track#*/}" ] && opusencopts+=(--comment "TRACKTOTAL=${track#*/}")

lib/encode/vorbis

@@ -8,6 +8,8 @@ encodeFile::vorbis() {
 	[ -n "$disc"	] && oggencopts+=(-c "DISCNUMBER=$disc")
 	[ -n "$genre"	] && oggencopts+=(-G "$genre")
 	[ -n "$performer" ] && oggencopts+=(-c "PERFORMER=$performer")
+	[ -n "$releasecountry" ] \
+		&& oggencopts+=(--comment "RELEASECOUNTRY=$releasecountry")
 	[ -n "$title"	] && oggencopts+=(-t "$title")
 	[ -n "$track"	] && oggencopts+=(-N "$track")
 	[ -n "$year"	] && oggencopts+=(-d "$year")