atom_sinf.cpp

来自「AAC编解码源码」· C++ 代码 · 共 35 行

/*
 * 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]
 *		Alix Marchandise-Franquet  [e-mail]
 *
 * Add the ProtectionInfoBox for ISMACrypt
 */

#include "mp4common.h"

MP4SinfAtom::MP4SinfAtom() 
	: MP4Atom("sinf") 
{
	AddVersionAndFlags();
	ExpectChildAtom("frma", Required, OnlyOne);
	ExpectChildAtom("schm", Required, OnlyOne);
	ExpectChildAtom("schi", Required, OnlyOne);
}