From 66e29226d27784e39cddc7ff61240087f3618e88 Mon Sep 17 00:00:00 2001
From: Gilles Boccon-Gibod <bok@bok.net>
Date: Sat, 17 Feb 2024 10:14:50 -0800
Subject: [PATCH] fix #914

---
 Source/C++/Core/Ap4Dec3Atom.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/C++/Core/Ap4Dec3Atom.cpp b/Source/C++/Core/Ap4Dec3Atom.cpp
index 9ebadcb4..e45219d9 100644
--- a/Source/C++/Core/Ap4Dec3Atom.cpp
+++ b/Source/C++/Core/Ap4Dec3Atom.cpp
@@ -141,7 +141,7 @@ AP4_Dec3Atom::AP4_Dec3Atom(AP4_UI32 size, const AP4_UI08* payload) :
     payload_size -= 2;
     m_SubStreams.SetItemCount(substream_count);
     for (unsigned int i=0; i<substream_count; i++) {
-        if (payload_size < 3) {
+        if (payload_size < 4) {
             m_SubStreams[i].fscod       = 0;
             m_SubStreams[i].bsid        = 0;
             m_SubStreams[i].bsmod       = 0;