From a16d4d7f6a210030b5ce283d6d80083569799c77 Mon Sep 17 00:00:00 2001
From: Ulrich Eckhardt <ulrich.eckhardt@base-42.de>
Date: Wed, 17 Jul 2024 22:10:09 +0200
Subject: [PATCH] UUIDBox: Fix parsing

This stored all input data as payload. However, the first 16 bytes
are a UUID and only the rest is actual payload.
---
 src/jumbf/UUIDBox.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/jumbf/UUIDBox.ts b/src/jumbf/UUIDBox.ts
index 62006fc3..1d38b582 100644
--- a/src/jumbf/UUIDBox.ts
+++ b/src/jumbf/UUIDBox.ts
@@ -11,7 +11,10 @@ export class UUIDBox extends Box {
     }
 
     public parse(buf: Uint8Array) {
-        this.content = buf;
+        if (buf.length < 16) throw new Error('UUIDBox: Data too short');
+
+        this.uuid = buf.subarray(0, 16);
+        this.content = buf.subarray(16);
     }
 
     public toString(prefix?: string | undefined): string {