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# Ap4ContainerAtom.h

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    00001 /*****************************************************************
    00002 |
    00003 |    AP4 - Container Atoms
    00004 |
    00005 |    Copyright 2002-2006 Gilles Boccon-Gibod & Julien Boeuf
    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_CONTAINER_ATOM_H_
    00030 #define _AP4_CONTAINER_ATOM_H_
    00031
    00032 /*----------------------------------------------------------------------
    00033 |   includes
    00034 +---------------------------------------------------------------------*/
    00035 #include "Ap4Types.h"
    00036 #include "Ap4List.h"
    00037 #include "Ap4Atom.h"
    00038
    00039 /*----------------------------------------------------------------------
    00040 |   class references
    00041 +---------------------------------------------------------------------*/
    00042 class AP4_ByteStream;
    00043 class AP4_AtomFactory;
    00044
    00045 /*----------------------------------------------------------------------
    00046 |   AP4_ContainerAtom
    00047 +---------------------------------------------------------------------*/
    00048 class AP4_ContainerAtom : public AP4_Atom, public AP4_AtomParent
    00049 {
    00050 public:
    00051     // class methods
    00052     static AP4_ContainerAtom* Create(Type             type,
    00053                                      AP4_UI64         size,
    00054                                      bool             is_full,
    00055                                      bool             force_64,
    00056                                      AP4_ByteStream&  stream,
    00057                                      AP4_AtomFactory& atom_factory);
    00058
    00059     // methods
    00060     explicit AP4_ContainerAtom(Type type);
    00061     explicit AP4_ContainerAtom(Type type, AP4_UI32 version, AP4_UI32 flags);
    00062     explicit AP4_ContainerAtom(Type type, AP4_UI64 size, bool force_64);
    00063     explicit AP4_ContainerAtom(Type type, AP4_UI64 size, bool force_64, AP4_UI32 version, AP4_UI32 flags);
    00064     AP4_List<AP4_Atom>& GetChildren() { return m_Children; }
    00065     virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
    00066     virtual AP4_Result InspectChildren(AP4_AtomInspector& inspector);
    00067     virtual AP4_Result WriteFields(AP4_ByteStream& stream);
    00068     virtual AP4_Atom*  Clone();
    00069
    00070     // AP4_AtomParent methods
    00071     virtual void OnChildChanged(AP4_Atom* child);
    00072     virtual void OnChildAdded(AP4_Atom* child);
    00073     virtual void OnChildRemoved(AP4_Atom* child);
    00074
    00075 protected:
    00076     // constructors
    00077     AP4_ContainerAtom(Type             type,
    00078                       AP4_UI64         size,
    00079                       bool             force_64,
    00080                       AP4_UI32         version,
    00081                       AP4_UI32         flags,
    00082                       AP4_ByteStream&  stream,
    00083                       AP4_AtomFactory& atom_factory);
    00084     AP4_ContainerAtom(Type             type,
    00085                       AP4_UI64         size,
    00086                       bool             force_64,
    00087                       AP4_ByteStream&  stream,
    00088                       AP4_AtomFactory& atom_factory);
    00089
    00090     // methods
    00091     void ReadChildren(AP4_AtomFactory& atom_factory,
    00092                       AP4_ByteStream&  stream,
    00093                       AP4_UI64         size);
    00094 };
    00095
    00096 #endif // _AP4_CONTAINER_ATOM_H_