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# Ap4GrpiAtom.h

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    00001 /*****************************************************************
    00002 |
    00003 |    AP4 - grpi Atom
    00004 |
    00005 |    Copyright 2008 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_GRPI_ATOM_H_
    00030 #define _AP4_GRPI_ATOM_H_
    00031
    00032 /*----------------------------------------------------------------------
    00033 |   includes
    00034 +---------------------------------------------------------------------*/
    00035 #include "Ap4Types.h"
    00036 #include "Ap4Atom.h"
    00037 #include "Ap4String.h"
    00038 #include "Ap4DataBuffer.h"
    00039
    00040 /*----------------------------------------------------------------------
    00041 |   AP4_GrpiAtom
    00042 +---------------------------------------------------------------------*/
    00043 class AP4_GrpiAtom : public AP4_Atom
    00044 {
    00045 public:
    00046     // class methods
    00047     static AP4_GrpiAtom* Create(AP4_Size        size,
    00048                                 AP4_ByteStream& stream);
    00049
    00050     // constructor
    00051     AP4_GrpiAtom(AP4_UI08        key_encryption_method,
    00052                  const char*     group_id,
    00053                  const AP4_UI08* group_key,
    00054                  AP4_Size        group_key_length);
    00055
    00056     // methods
    00057     virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
    00058     virtual AP4_Result WriteFields(AP4_ByteStream& stream);
    00059     virtual AP4_Atom*  Clone();
    00060
    00061     // accessors
    00062     AP4_UI08              GetKeyEncryptionMethod() const { return m_KeyEncryptionMethod; }
    00063     void                  SetKeyEncryptionMethod(AP4_UI08 encryption_method) { m_KeyEncryptionMethod = encryption_method; }
    00064     const AP4_String&     GetGroupId()  const { return m_GroupId; }
    00065     const AP4_DataBuffer& GetGroupKey() const { return m_GroupKey;  }
    00066
    00067 private:
    00068     // methods
    00069     AP4_GrpiAtom(AP4_UI32         size,
    00070                  AP4_UI32         version,
    00071                  AP4_UI32         flags,
    00072                  AP4_ByteStream&  stream);
    00073
    00074     // members
    00075     AP4_UI08       m_KeyEncryptionMethod;
    00076     AP4_String     m_GroupId;
    00077     AP4_DataBuffer m_GroupKey;
    00078 };
    00079
    00080 #endif // _AP4_GRPI_ATOM_H_