From bb234313db9e662965a36a28ddcab68496e515c3 Mon Sep 17 00:00:00 2001
From: nkming2 <nkming2@gmail.com>
Date: Wed, 26 Nov 2025 21:29:39 +0800
Subject: [PATCH] fix reading mp4 url box nested in non video/audio track

---
 src/quicktimevideo.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/quicktimevideo.cpp b/src/quicktimevideo.cpp
index 583f595937..44229f7480 100644
--- a/src/quicktimevideo.cpp
+++ b/src/quicktimevideo.cpp
@@ -687,6 +687,8 @@ void QuickTimeVideo::tagDecoder(Exiv2::DataBuf& buf, size_t size, size_t recursi
       xmpData_["Xmp.video.URL"] = readString(*io_, size);
     else if (currentStream_ == Audio)
       xmpData_["Xmp.audio.URL"] = readString(*io_, size);
+    else
+      discard(size);
   }
 
   else if (equalsQTimeTag(buf, "urn ")) {
@@ -694,6 +696,8 @@ void QuickTimeVideo::tagDecoder(Exiv2::DataBuf& buf, size_t size, size_t recursi
       xmpData_["Xmp.video.URN"] = readString(*io_, size);
     else if (currentStream_ == Audio)
       xmpData_["Xmp.audio.URN"] = readString(*io_, size);
+    else
+      discard(size);
   }
 
   else if (equalsQTimeTag(buf, "dcom")) {