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- /*
- * 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 [email protected]
- */
- #include "mp4common.h"
- MP4Mp4aAtom::MP4Mp4aAtom()
- : MP4Atom("mp4a")
- {
- AddReserved("reserved1", 6); /* 0 */
- AddProperty( /* 1 */
- new MP4Integer16Property("dataReferenceIndex"));
- AddReserved("reserved2", 16); /* 2 */
- AddProperty( /* 3 */
- new MP4Integer16Property("timeScale"));
- AddReserved("reserved3", 2); /* 4 */
- ExpectChildAtom("esds", Required, OnlyOne);
- }
- void MP4Mp4aAtom::Generate()
- {
- MP4Atom::Generate();
- ((MP4Integer16Property*)m_pProperties[1])->SetValue(1);
- // property reserved2 has non-zero fixed values
- static u_int8_t reserved2[16] = {
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x02, 0x00, 0x10,
- 0x00, 0x00, 0x00, 0x00,
- };
- m_pProperties[2]->SetReadOnly(false);
- ((MP4BytesProperty*)m_pProperties[2])->
- SetValue(reserved2, sizeof(reserved2));
- m_pProperties[2]->SetReadOnly(true);
- }
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