Add back the id3v1_encoding option. Now it really will convert id3v1 only.

doc/mpdconf.example

@@ -200,6 +200,10 @@ pid_file 		"~/.mpd/mpd.pid"
 #
 #port	"6600"
 #
+# This determines what encoding ID3v1 tags should be converted from.
+#
+#id3v1_encoding         "ISO-8859-1"
+#
 # This sets the metadata mpd will use, to disable all metadata, set to "none"
 # NOTE: comments are disabled by default
 #

src/conf.c

@@ -119,6 +119,7 @@ void finishConf() {
 void initConf() {
 	configEntriesList = makeList((ListFreeDataFunc *)freeConfigEntry, 1);
 
+	/* registerConfigParam(name,                   repeatable,  block); */
 	registerConfigParam(CONF_PORT, 				0,	0);
 	registerConfigParam(CONF_PID_FILE, 			0,	0);
 	registerConfigParam(CONF_MUSIC_DIR,			0,	0);
@@ -155,6 +156,7 @@ void initConf() {
 	registerConfigParam(CONF_HTTP_PREBUFFER_SIZE,		0,	0);
 	registerConfigParam(CONF_REPLAYGAIN_PREAMP,		0,	0);
 	registerConfigParam(CONF_METADATA_TO_USE,		0,	0);
+	registerConfigParam(CONF_ID3V1_ENCODING,                0,      0);
 }
 
 static void addBlockParam(ConfigParam * param, char * name, char * value,

src/conf.h

@@ -57,6 +57,7 @@
 #define CONF_HTTP_BUFFER_SIZE		"http_buffer_size"
 #define CONF_HTTP_PREBUFFER_SIZE	"http_prebuffer_size"
 #define CONF_METADATA_TO_USE		"metadata_to_use"
+#define CONF_ID3V1_ENCODING		"id3v1_encoding"
 
 typedef struct _BlockParam {
 	char * name;

src/tag.c

@@ -138,6 +138,8 @@ MpdTag * getID3Info(struct id3_tag * tag, char * id, int type, MpdTag * mpdTag)
 	union id3_field const * field;
 	unsigned int nstrings;
 	int i;
+	char * isostr;
+	char * encoding;
 
 	frame = id3_tag_findframe(tag, id, 0);
 	if(!frame || frame->nfields < 2) return mpdTag;
@@ -154,6 +156,18 @@ MpdTag * getID3Info(struct id3_tag * tag, char * id, int type, MpdTag * mpdTag)
 		utf8 = id3_ucs4_utf8duplicate(ucs4);
 		if(!utf8) continue;
 
+		if(isId3v1(tag)) {
+			encoding = getConfigParamValue(CONF_ID3V1_ENCODING);
+			if(encoding) {
+				setCharSetConversion("ISO-8859-1", "UTF-8");
+				isostr = convStrDup(utf8);
+				free(utf8);
+				setCharSetConversion("UTF-8", encoding);
+				utf8 = convStrDup(isostr);
+				free(isostr);
+			}
+		}
+
 		if(mpdTag == NULL) mpdTag = newMpdTag();
 		addItemToMpdTag(mpdTag, type, utf8);