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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 "src/impl.h"
namespace mp4v2 {
namespace impl {
///////////////////////////////////////////////////////////////////////////////
MP4UrlAtom::MP4UrlAtom(MP4File &file, const char *type)
: MP4Atom(file, type)
{
AddVersionAndFlags();
AddProperty(new MP4StringProperty(*this, "location"));
}
void MP4UrlAtom::Read()
{
// read the version and flags properties
ReadProperties(0, 2);
// check if self-contained flag is set
if (!(GetFlags() & 1)) {
// if not then read url location
ReadProperties(2);
}
Skip(); // to end of atom
}
void MP4UrlAtom::Write()
{
MP4StringProperty* pLocationProp =
(MP4StringProperty*)m_pProperties[2];
// if no url location has been set
// then set self-contained flag
// and don't attempt to write anything
if (pLocationProp->GetValue() == NULL) {
SetFlags(GetFlags() | 1);
pLocationProp->SetImplicit(true);
} else {
SetFlags(GetFlags() & 0xFFFFFE);
pLocationProp->SetImplicit(false);
}
// write atom as usual
MP4Atom::Write();
}
///////////////////////////////////////////////////////////////////////////////
}
} // namespace mp4v2::impl
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