Initial community commit

Src/external_dependencies/libmp4v2/atom_free.cpp

@@ -0,0 +1,49 @@
+/*
+ * 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"
+
+MP4FreeAtom::MP4FreeAtom() 
+	: MP4Atom("free") 
+{
+}
+
+void MP4FreeAtom::Read() 
+{
+	Skip();
+}
+
+void MP4FreeAtom::Write() 
+{
+	ASSERT(m_pFile);
+
+	bool use64 = (GetSize() > (0xFFFFFFFF - 8)); 
+	BeginWrite(use64);
+#if 1
+	for (uint64_t ix = 0; ix < GetSize(); ix++) {
+	  m_pFile->WriteUInt8(0);
+	}
+#else
+	m_pFile->SetPosition(m_pFile->GetPosition() + GetSize());
+#endif
+	FinishWrite(use64);
+}
+