convert the metadata to uint8 like other sound data buffers so we can…

… aggregate them

git-svn-id: https://xpra.org/svn/Xpra/trunk@15710 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/html5/js/Client.js

@@ -1897,7 +1897,7 @@ XpraClient.prototype._process_sound_data_aurora = function(packet) {
 	if(metadata) {
 		//push metadata first:
 		for(var i = 0; i < metadata.length; i++) {
-			this.audio_aurora_ctx.asset.source._on_data(metadata[i]);
+			this.audio_aurora_ctx.asset.source._on_data(Utilities.StringToUint8(metadata[i]));
 		}
 	}
 	this.audio_aurora_ctx.asset.source._on_data(buf);
@@ -1929,7 +1929,7 @@ XpraClient.prototype._process_sound_data_mediasource = function(packet) {
 		if(metadata) {
 			//push metadata first:
 			for(var i = 0; i < metadata.length; i++) {
-				this.audio_buffers.push(metadata[i]);
+				this.audio_buffers.push(Utilities.StringToUint8(metadata[i]));
 			}
 			//since we have the metadata, we should be good to go:
 			MIN_START_BUFFERS = 1;

src/html5/js/Utilities.js

@@ -285,6 +285,14 @@ var Utilities = {
         window.URL.revokeObjectURL(url);
 	},
 
+	StringToUint8 : function(str) {
+		var u8a = new Uint8Array(str.length);
+		for(var i=0,j=str.length;i<j;++i){
+			u8a[i] = str.charCodeAt(i);
+		}
+		return u8a;
+	},
+
 	Uint8ToString : function(u8a){
 		var CHUNK_SZ = 0x8000;
 		var c = [];