atom_stdp.cpp

AAC编解码源码

/*
 * 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		[e-mail]
 */

#include "mp4common.h"

MP4StdpAtom::MP4StdpAtom() 
	: MP4Atom("stdp") 
{
	AddVersionAndFlags();

	MP4Integer32Property* pCount = 
		new MP4Integer32Property("entryCount"); 
	pCount->SetImplicit();
	AddProperty(pCount);

	MP4TableProperty* pTable = new MP4TableProperty("entries", pCount);
	AddProperty(pTable);

	pTable->AddProperty(
		new MP4Integer16Property("priority"));
}

void MP4StdpAtom::Read() 
{
	// table entry count computed from atom size
	((MP4Integer32Property*)m_pProperties[2])->SetReadOnly(false);
	((MP4Integer32Property*)m_pProperties[2])->SetValue((m_size - 4) / 2);
	((MP4Integer32Property*)m_pProperties[2])->SetReadOnly(true);

	MP4Atom::Read();
}