From 5e38691180e848a250848a82e5ae754baa5c3d5a Mon Sep 17 00:00:00 2001
From: Muaz Ahmad <mahmad2000@protonmail.com>
Date: Fri, 22 Sep 2023 15:21:10 +0500
Subject: [PATCH] vpcc bit depth fix

---
 mp4-tree.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mp4-tree.js b/mp4-tree.js
index 4fa241a..185e227 100644
--- a/mp4-tree.js
+++ b/mp4-tree.js
@@ -89,7 +89,7 @@ class MP4Tree {
 		this.parse_into('vpcC', 12);
 		const profile = this.data.getUint8(this.idx).toString().padStart(2, "0");
 		const level = this.data.getUint8(this.idx + 1).toString();
-		const depth = (this.data.getUint8(this.idx + 2) & 0xf0).toString().padStart(2, "0");
+		const depth = (this.data.getUint8(this.idx + 2) >> 4).toString().padStart(2, "0");
 		this.codecs.push(["vp09", profile, level, depth].join('.'));
 	}