Bento4 MP4 SDK: Ap4OdheAtom.h Source File

Bento4 MP4 SDK

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Ap4OdheAtom.h

00001 /*****************************************************************
00002 |
00003 |    AP4 - odhe Atom
00004 |
00005 |    Copyright 2002-2008 Axiomatic Systems, LLC
00006 |
00007 |
00008 |    This file is part of Bento4/AP4 (MP4 Atom Processing Library).
00009 |
00010 |    Unless you have obtained Bento4 under a difference license,
00011 |    this version of Bento4 is Bento4|GPL.
00012 |    Bento4|GPL is free software; you can redistribute it and/or modify
00013 |    it under the terms of the GNU General Public License as published by
00014 |    the Free Software Foundation; either version 2, or (at your option)
00015 |    any later version.
00016 |
00017 |    Bento4|GPL is distributed in the hope that it will be useful,
00018 |    but WITHOUT ANY WARRANTY; without even the implied warranty of
00019 |    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00020 |    GNU General Public License for more details.
00021 |
00022 |    You should have received a copy of the GNU General Public License
00023 |    along with Bento4|GPL; see the file COPYING.  If not, write to the
00024 |    Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
00025 |    02111-1307, USA.
00026 |
00027 ****************************************************************/
00028 
00029 #ifndef _AP4_ODHE_ATOM_H_
00030 #define _AP4_ODHE_ATOM_H_
00031 
00032 /*----------------------------------------------------------------------
00033 |   includes
00034 +---------------------------------------------------------------------*/
00035 #include "Ap4Types.h"
00036 #include "Ap4Atom.h"
00037 #include "Ap4ContainerAtom.h"
00038 #include "Ap4String.h"
00039 
00040 /*----------------------------------------------------------------------
00041 |   class references
00042 +---------------------------------------------------------------------*/
00043 class AP4_OhdrAtom;
00044 
00045 /*----------------------------------------------------------------------
00046 |   AP4_OdheAtom
00047 +---------------------------------------------------------------------*/
00048 class AP4_OdheAtom : public AP4_ContainerAtom
00049 {
00050 public:
00051     AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_OdheAtom, AP4_ContainerAtom)
00052 
00053     // class methods
00054     static AP4_OdheAtom* Create(AP4_Size         size, 
00055                                 AP4_ByteStream&  stream, 
00056                                 AP4_AtomFactory& atom_factory);
00057 
00058     // constructor
00062     AP4_OdheAtom(const char* content_type, AP4_OhdrAtom* ohdr);
00063                  
00064     // AP4_Atom methods
00065     virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
00066     virtual AP4_Result WriteFields(AP4_ByteStream& stream);
00067     
00068     // AP4_AtomParent methods
00069     virtual void OnChildChanged(AP4_Atom* child);
00070     
00071     // methods
00072     const AP4_String& GetContentType() { return m_ContentType; }
00073     
00074 private:
00075     // methods
00076     AP4_OdheAtom(AP4_UI32         size, 
00077                  AP4_UI32         version,
00078                  AP4_UI32         flags,
00079                  AP4_ByteStream&  stream,
00080                  AP4_AtomFactory& atom_factory);
00081 
00082     // members
00083     AP4_String m_ContentType;
00084 
00085 };
00086 
00087 #endif // _AP4_ODHE_ATOM_H_
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