Add metadata read/write support for Ogg

src/misc.ts

@@ -702,3 +702,24 @@ export const imageMimeTypeToExtension = (mimeType: string) => {
 			return null;
 	}
 };
+
+export const base64ToBytes = (base64: string) => {
+	const decoded = atob(base64);
+	const bytes = new Uint8Array(decoded.length);
+
+	for (let i = 0; i < decoded.length; i++) {
+		bytes[i] = decoded.charCodeAt(i);
+	}
+
+	return bytes;
+};
+
+export const bytesToBase64 = (bytes: Uint8Array) => {
+	let string = '';
+
+	for (let i = 0; i < bytes.length; i++) {
+		string += String.fromCharCode(bytes[i]!);
+	}
+
+	return btoa(string);
+};