From 406263b485a3c1f2383089c0e8e6649b2ac13d78 Mon Sep 17 00:00:00 2001
From: Mattias Wadman <mattias.wadman@gmail.com>
Date: Wed, 8 Dec 2021 10:45:10 +0100
Subject: [PATCH] mp4: Add comment about hdlr.component_name prefix byte

---
 format/mp4/boxes.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/format/mp4/boxes.go b/format/mp4/boxes.go
index 2f8eb828..9cc4a06e 100644
--- a/format/mp4/boxes.go
+++ b/format/mp4/boxes.go
@@ -290,6 +290,7 @@ func init() {
 			d.FieldUTF8NullFixedLen("component_manufacturer", 4)
 			d.FieldU32("component_flags")
 			d.FieldU32("component_flags_mask")
+			// TODO: sometimes has a length prefix byte, how to know?
 			d.FieldUTF8NullFixedLen("component_name", int(d.BitsLeft()/8))
 
 			if ctx.currentTrack != nil {
@@ -300,7 +301,6 @@ func init() {
 				}
 			}
 		},
-
 		"minf": decodeBoxes,
 		"dinf": decodeBoxes,
 		"dref": func(_ *decodeContext, d *decode.D) {