OPT_ALSA	-		-	YESNO
ALSA_OSS_EMUL	OPT_ALSA	-	ALSA_OSS_EMUL
ALSA_DRV	OPT_ALSA	-	ALSA_DRV

OPT_MPD		-		-	YESNO
MPD_DIR		OPT_MPD		-	ABS_PATH
MPD_VERBOSE	OPT_MPD		-	YESNO

OPT_EMPCD	-		-	YESNO
+EMPCD_LOG_LVL	OPT_EMPCD	-	NUMERIC
+EMPCD_CONF	OPT_EMPCD	-	ABS_PATH

OPT_MPC		-		-	YESNO
MPC_PLAY_SONG	OPT_MPC		-	REL_PATH