From 20d28e80a5c861a9d5f449ea911ab75b4f37ad0d Mon Sep 17 00:00:00 2001
From: Jef <jef@targetspot.com>
Date: Tue, 24 Sep 2024 14:54:57 +0200
Subject: Initial community commit

---
 Src/external_dependencies/libmp4v2/atom_dref.cpp | 56 ++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 Src/external_dependencies/libmp4v2/atom_dref.cpp

(limited to 'Src/external_dependencies/libmp4v2/atom_dref.cpp')

diff --git a/Src/external_dependencies/libmp4v2/atom_dref.cpp b/Src/external_dependencies/libmp4v2/atom_dref.cpp
new file mode 100644
index 00000000..133b3ee8
--- /dev/null
+++ b/Src/external_dependencies/libmp4v2/atom_dref.cpp
@@ -0,0 +1,56 @@
+/*
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ * 
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ * 
+ * The Original Code is MPEG4IP.
+ * 
+ * The Initial Developer of the Original Code is Cisco Systems Inc.
+ * Portions created by Cisco Systems Inc. are
+ * Copyright (C) Cisco Systems Inc. 2001.  All Rights Reserved.
+ * 
+ * Contributor(s): 
+ *		Dave Mackie		dmackie@cisco.com
+ */
+
+#include "mp4common.h"
+
+MP4DrefAtom::MP4DrefAtom() 
+	: MP4Atom("dref") 
+{
+	AddVersionAndFlags();
+
+	MP4Integer32Property* pCount = 
+		new MP4Integer32Property("entryCount"); 
+	pCount->SetReadOnly();
+	AddProperty(pCount);
+
+	ExpectChildAtom("url ", Optional, Many);
+	ExpectChildAtom("urn ", Optional, Many);
+	ExpectChildAtom("alis", Optional, Many);
+}
+
+void MP4DrefAtom::Read() 
+{
+	/* do the usual read */
+	MP4Atom::Read();
+
+	// check that number of children == entryCount
+	MP4Integer32Property* pCount = 
+		(MP4Integer32Property*)m_pProperties[2];
+
+	if (m_pChildAtoms.Size() != pCount->GetValue()) {
+		//VERBOSE_READ(GetVerbosity(), MP4Printf("Warning: dref inconsistency with number of entries"));
+
+		/* fix it */
+		pCount->SetReadOnly(false);
+		pCount->SetValue(m_pChildAtoms.Size());
+		pCount->SetReadOnly(true);
+	}
+}
-- 
cgit