squeezelite: add new interface/mac address selection

allow dynamic linking to either vorbisifile or vorbisidec

Signed-off-by: Ted Hess <thess@kitschensync.net>

sound/squeezelite/files/squeezelite.conf

@@ -9,4 +9,5 @@ config options 'options'
 	option decoder_auto_conf '1'
 	option dsd_over_pcm '0'
 	option ircontrol '0'
+	option interface ''
 	option enabled '1'

sound/squeezelite/files/squeezelite.init

@@ -51,6 +51,9 @@ make_cmdline() {
 	config_get model_name options model_name "SqueezeLite"
 	cmdline="$cmdline -M $model_name"
 
+	config_get interface options interface ""
+	[ -n $interface ] && cmdline="$cmdline -I $interface"
+
 	config_get device options device ""
 	[ -n $device ] && cmdline="$cmdline -o $device"
 
@@ -96,10 +99,15 @@ make_cmdline() {
 	# ***NOTE: codec lib names are in squeezelite.h (set decode_auto_conf to 0 to ignore)
 	#
 	local excl_codecs=""
+	local vorbis_lib="libvorbisidec.so.1"
+
 	excl_codecs=`checkcodec decode_flac "libFLAC.so.8" flac "$excl_codecs"`
 	excl_codecs=`checkcodec decode_mp3 "libmad.so.0" mp3 "$excl_codecs"`
 	excl_codecs=`checkcodec decode_aac "libfaad.so.2" aac "$excl_codecs"`
-	excl_codecs=`checkcodec decode_ogg "libvorbisfile.so.3" ogg "$excl_codecs"`
+
+	[ -e "/usr/lib/$vorbis_lib" ] || vorbis_lib="libvorbisfile.so.3"
+
+	excl_codecs=`checkcodec decode_ogg "$vorbis_lib" ogg "$excl_codecs"`
 	excl_codecs=`checkcodec decode_wma_alac "libavcodec.so.56" wma,alac "$excl_codecs"`
 	cmdline="$cmdline $excl_codecs"