Initial community commit

Src/external_dependencies/libmp4v2/atom_url.cpp

@@ -0,0 +1,63 @@
+/*
+ * 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"
+
+MP4UrlAtom::MP4UrlAtom(const char *type) 
+	: MP4Atom(type)
+{
+	AddVersionAndFlags();
+	AddProperty(new MP4StringProperty("location"));
+}
+
+void MP4UrlAtom::Read() 
+{
+	// read the version and flags properties
+	ReadProperties(0, 2);
+
+	// check if self-contained flag is set
+	if (!(GetFlags() & 1)) {
+		// if not then read url location
+		ReadProperties(2);
+	}
+
+	Skip();	// to end of atom
+}
+
+void MP4UrlAtom::Write() 
+{
+	MP4StringProperty* pLocationProp =
+		(MP4StringProperty*)m_pProperties[2];
+
+	// if no url location has been set
+	// then set self-contained flag
+	// and don't attempt to write anything
+	if (pLocationProp->GetValue() == NULL) {
+		SetFlags(GetFlags() | 1);
+		pLocationProp->SetImplicit(true);
+	} else {
+		SetFlags(GetFlags() & 0xFFFFFE);
+		pLocationProp->SetImplicit(false);
+	}
+
+	// write atom as usual
+	MP4Atom::Write();
+}