atom_treftype.cpp

/*
 * 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     dmackie@cisco.com
 */

#include "src/impl.h"

namespace mp4v2 {
namespace impl {

///////////////////////////////////////////////////////////////////////////////

MP4TrefTypeAtom::MP4TrefTypeAtom(MP4File &file, const char* type)
        : MP4Atom(file, type)
{
    MP4Integer32Property* pCount =
        new MP4Integer32Property(*this, "entryCount");
    pCount->SetImplicit();
    AddProperty(pCount); /* 0 */

    MP4TableProperty* pTable = new MP4TableProperty(*this, "entries", pCount);
    AddProperty(pTable); /* 1 */

    pTable->AddProperty( /* 1, 0 */
        new MP4Integer32Property(pTable->GetParentAtom(), "trackId"));
}

void MP4TrefTypeAtom::Read()
{
    // table entry count computed from atom size
    ((MP4Integer32Property*)m_pProperties[0])->SetReadOnly(false);
    ((MP4Integer32Property*)m_pProperties[0])->SetValue(m_size / 4);
    ((MP4Integer32Property*)m_pProperties[0])->SetReadOnly(true);

    MP4Atom::Read();
}

///////////////////////////////////////////////////////////////////////////////

}
} // namespace mp4v2::impl