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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.
*
* 3GPP features implementation is based on 3GPP's TS26.234-v5.60,
* and was contributed by Ximpo Group Ltd.
*
* Portions created by Ximpo Group Ltd. are
* Copyright (C) Ximpo Group Ltd. 2003, 2004. All Rights Reserved.
*
* Contributor(s):
* Ximpo Group Ltd. mp4v2@ximpo.com
*/
#include "src/impl.h"
namespace mp4v2 {
namespace impl {
///////////////////////////////////////////////////////////////////////////////
#define H263_VENDOR 0x6d346970
MP4D263Atom::MP4D263Atom()
: MP4Atom("d263")
{
AddProperty( /* 0 */
new MP4Integer32Property("vendor"));
AddProperty( /* 1 */
new MP4Integer8Property("decoderVersion"));
AddProperty( /* 2 */
new MP4Integer8Property("h263Level"));
AddProperty( /* 3 */
new MP4Integer8Property("h263Profile"));
ExpectChildAtom("bitr", Optional, OnlyOne);
}
void MP4D263Atom::Generate()
{
MP4Atom::Generate();
((MP4Integer32Property*)m_pProperties[0])->SetValue(H263_VENDOR);
((MP4Integer8Property*)m_pProperties[1])->SetValue(1);
}
void MP4D263Atom::Write()
{
// Check whether we have valid values in the bitr atom
// (if it exists, of course)
MP4Atom* bitrAtom = FindAtom("d263.bitr");
if (bitrAtom) {
uint32_t avgBitrate;
uint32_t maxBitrate;
MP4Integer32Property* pProp;
bitrAtom->FindProperty("bitr.avgBitrate",
(MP4Property**)&pProp,
NULL);
ASSERT(pProp);
avgBitrate = pProp->GetValue();
bitrAtom->FindProperty("bitr.maxBitrate",
(MP4Property**)&pProp,
NULL);
ASSERT(pProp);
maxBitrate = pProp->GetValue();
if (!maxBitrate && !avgBitrate) {
DeleteChildAtom(bitrAtom);
}
}
MP4Atom::Write();
}
///////////////////////////////////////////////////////////////////////////////
}
} // namespace mp4v2::impl
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