fix some streaming metadata issues

src/decode.c

@@ -393,7 +393,9 @@ void handleMetadata(OutputBuffer * cb, PlayerControl * pc, int * previous,
 	if(cb->begin!=cb->end) {
 		int meta = cb->metaChunk[cb->begin];
 		if( meta != *previous ) {
+			DEBUG("player: metadata change\n");
 			if( meta >= 0 && cb->metaChunkSet[meta]) {
+				DEBUG("player: new metadata from decoder!\n");
 				memcpy(currentChunk, 
 					cb->metadataChunks+meta,
 					sizeof(MetadataChunk));
@@ -625,6 +627,7 @@ void decode() {
 
 	cb = &(getPlayerData()->buffer);
 
+	clearAllMetaChunkSets(cb);
 	cb->begin = 0;
 	cb->end = 0;
 	pc = &(getPlayerData()->playerControl);
@@ -634,7 +637,6 @@ void decode() {
         dc->seek = 0;
         dc->stop = 0;
 	dc->start = 1;
-	clearAllMetaChunkSets(cb);
         
 	if(decode_pid==NULL || *decode_pid<=0) {
 		if(decoderInit(pc,cb,dc)<0) return;

src/inputPlugins/ogg_plugin.c

@@ -206,6 +206,9 @@ void putOggCommentsIntoOutputBuffer(OutputBuffer * cb, char * streamName,
 	MpdTag * tag;
 
 	tag = oggCommentsParse(comments);
+	if(!tag && streamName) {
+		tag = newMpdTag();
+	}
 	if(!tag) return;
 
 	/*if(tag->artist) printf("Artist: %s\n", tag->artist);

src/outputBuffer.c

@@ -21,6 +21,7 @@
 #include "pcm_utils.h"
 #include "playerData.h"
 #include "utils.h"
+#include "log.h"
 
 #include <string.h>
 
@@ -154,10 +155,12 @@ int copyMpdTagToOutputBuffer(OutputBuffer * cb, MpdTag * tag) {
 		sendMetaChunk = 0;
 		if(last) free(last);
 		last = NULL;
+		DEBUG("copyMpdTagToOB: !acceptMetadata || !tag\n");
 		return 0;
 	}
 
 	if(last && mpdTagsAreEqual(last, tag)) {
+		DEBUG("copyMpdTagToOB: same as last\n");
 		return 0;
 	}
 
@@ -167,7 +170,11 @@ int copyMpdTagToOutputBuffer(OutputBuffer * cb, MpdTag * tag) {
 	nextChunk = currentMetaChunk+1;
 	if(nextChunk >= BUFFERED_METACHUNKS) nextChunk = 0;
 
-	if(cb->metaChunkSet[nextChunk]) return -1;
+	if(cb->metaChunkSet[nextChunk]) {
+		sendMetaChunk = 0;
+		DEBUG("copyMpdTagToOB: metachunk in use!\n");
+		return -1;
+	}
 
 	sendMetaChunk = 1;
 	currentMetaChunk = nextChunk;
@@ -178,5 +185,7 @@ int copyMpdTagToOutputBuffer(OutputBuffer * cb, MpdTag * tag) {
 
 	cb->metaChunkSet[nextChunk] = 1;
 
+	DEBUG("copyMpdTagToOB: copiedTag\n");
+
 	return 0;
 }

src/player.c

@@ -473,11 +473,8 @@ Song * playerCurrentDecodeSong() {
 	Song * ret = NULL;
 	PlayerControl * pc = &(getPlayerData()->playerControl);
 
-        if(pc->metadataState == PLAYER_METADATA_STATE_READ && 
-                        ((!song || strcmp(song->utf8url, pc->currentUrl))
-                        || (!prev || memcmp(prev, &(pc->metadataChunk), 
-			sizeof(MetadataChunk))))) 
-        {
+        if(pc->metadataState == PLAYER_METADATA_STATE_READ) {
+		DEBUG("playerCurrentDecodeSong: caught new metadata!\n");
                 if(prev) free(prev);
                 prev = malloc(sizeof(MetadataChunk));
 		memcpy(prev, &(pc->metadataChunk), sizeof(MetadataChunk));
@@ -488,9 +485,8 @@ Song * playerCurrentDecodeSong() {
 		song->tag = metadataChunkToMpdTagDup(prev);
                 validateUtf8Tag(song->tag);
                 ret =  song;
+        	resetPlayerMetadata();
         }
 
-        resetPlayerMetadata();
-
         return ret;
 }