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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 dmackie@cisco.com
*/
#include "mp4common.h"
MP4FtypAtom::MP4FtypAtom()
: MP4Atom("ftyp")
{
MP4StringProperty* pProp = new MP4StringProperty("majorBrand");
pProp->SetFixedLength(4);
AddProperty(pProp); /* 0 */
AddProperty( /* 1 */
new MP4Integer32Property("minorVersion"));
MP4Integer32Property* pCount =
new MP4Integer32Property("compatibleBrandsCount");
pCount->SetImplicit();
AddProperty(pCount); /* 2 */
MP4TableProperty* pTable =
new MP4TableProperty("compatibleBrands", pCount);
AddProperty(pTable); /* 3 */
pProp = new MP4StringProperty("brand");
pProp->SetFixedLength(4);
pTable->AddProperty(pProp);
}
void MP4FtypAtom::Generate()
{
MP4Atom::Generate();
((MP4StringProperty*)m_pProperties[0])->SetValue("mp42");
MP4StringProperty* pBrandProperty = (MP4StringProperty*)
((MP4TableProperty*)m_pProperties[3])->GetProperty(0);
ASSERT(pBrandProperty);
pBrandProperty->AddValue("mp42");
pBrandProperty->AddValue("isom");
((MP4Integer32Property*)m_pProperties[2])->IncrementValue();
((MP4Integer32Property*)m_pProperties[2])->IncrementValue();
}
void MP4FtypAtom::Read()
{
// table entry count computed from atom size
((MP4Integer32Property*)m_pProperties[2])->SetReadOnly(false);
((MP4Integer32Property*)m_pProperties[2])->SetValue((m_size - 8) / 4);
((MP4Integer32Property*)m_pProperties[2])->SetReadOnly(true);
MP4Atom::Read();
}
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