/*
 * 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"

MP4UdtaAtom::MP4UdtaAtom() 
	: MP4Atom("udta") 
{
	ExpectChildAtom("cprt", Optional, Many);
	ExpectChildAtom("hnti", Optional, OnlyOne);
	ExpectChildAtom("meta", Optional, OnlyOne);
	ExpectChildAtom("\251cpy", Optional, OnlyOne);
	ExpectChildAtom("\251des", Optional, OnlyOne);
	ExpectChildAtom("\251nam", Optional, OnlyOne);
	ExpectChildAtom("\251cmt", Optional, OnlyOne);
	ExpectChildAtom("\251prd", Optional, OnlyOne);
}

void MP4UdtaAtom::Read() 
{
	if (ATOMID(m_pParentAtom->GetType()) == ATOMID("trak")) {
		ExpectChildAtom("hinf", Optional, OnlyOne);
	}

	MP4Atom::Read();
}
