72 lines
2.1 KiB
C++
72 lines
2.1 KiB
C++
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/*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is MPEG4IP.
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*
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* The Initial Developer of the Original Code is Cisco Systems Inc.
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* Portions created by Cisco Systems Inc. are
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* Copyright (C) Cisco Systems Inc. 2001. All Rights Reserved.
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*
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* Contributor(s):
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* Dave Mackie dmackie@cisco.com
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*/
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#include "mp4common.h"
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MP4FtypAtom::MP4FtypAtom()
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: MP4Atom("ftyp")
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{
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MP4StringProperty* pProp = new MP4StringProperty("majorBrand");
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pProp->SetFixedLength(4);
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AddProperty(pProp); /* 0 */
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AddProperty( /* 1 */
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new MP4Integer32Property("minorVersion"));
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MP4Integer32Property* pCount =
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new MP4Integer32Property("compatibleBrandsCount");
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pCount->SetImplicit();
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AddProperty(pCount); /* 2 */
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MP4TableProperty* pTable =
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new MP4TableProperty("compatibleBrands", pCount);
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AddProperty(pTable); /* 3 */
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pProp = new MP4StringProperty("brand");
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pProp->SetFixedLength(4);
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pTable->AddProperty(pProp);
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}
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void MP4FtypAtom::Generate()
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{
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MP4Atom::Generate();
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((MP4StringProperty*)m_pProperties[0])->SetValue("mp42");
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MP4StringProperty* pBrandProperty = (MP4StringProperty*)
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((MP4TableProperty*)m_pProperties[3])->GetProperty(0);
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ASSERT(pBrandProperty);
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pBrandProperty->AddValue("mp42");
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pBrandProperty->AddValue("isom");
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((MP4Integer32Property*)m_pProperties[2])->IncrementValue();
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((MP4Integer32Property*)m_pProperties[2])->IncrementValue();
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}
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void MP4FtypAtom::Read()
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{
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// table entry count computed from atom size
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((MP4Integer32Property*)m_pProperties[2])->SetReadOnly(false);
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((MP4Integer32Property*)m_pProperties[2])->SetValue((m_size - 8) / 4);
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((MP4Integer32Property*)m_pProperties[2])->SetReadOnly(true);
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MP4Atom::Read();
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}
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