Bento4 MP4 SDK: Ap4GrpiAtom.h Source File

Bento4 MP4 SDK

previous page next page
Ap4GrpiAtom.h

00001 /*****************************************************************
00002 |
00003 |    AP4 - grpi 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_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     AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_GrpiAtom, AP4_Atom)
00047 
00048     // class methods
00049     static AP4_GrpiAtom* Create(AP4_Size        size, 
00050                                 AP4_ByteStream& stream);
00051 
00052     // constructor
00053     AP4_GrpiAtom(AP4_UI08        key_encryption_method, 
00054                  const char*     group_id,
00055                  const AP4_UI08* group_key,
00056                  AP4_Size        group_key_length);
00057                  
00058     // methods
00059     virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
00060     virtual AP4_Result WriteFields(AP4_ByteStream& stream);
00061     virtual AP4_Atom*  Clone();
00062 
00063     // accessors
00064     AP4_UI08              GetKeyEncryptionMethod() const { return m_KeyEncryptionMethod; } 
00065     void                  SetKeyEncryptionMethod(AP4_UI08 encryption_method) { m_KeyEncryptionMethod = encryption_method; }
00066     const AP4_String&     GetGroupId()  const { return m_GroupId; }
00067     const AP4_DataBuffer& GetGroupKey() const { return m_GroupKey;  }
00068     
00069 private:
00070     // methods
00071     AP4_GrpiAtom(AP4_UI32         size, 
00072                  AP4_UI32         version,
00073                  AP4_UI32         flags,
00074                  AP4_ByteStream&  stream);
00075 
00076     // members
00077     AP4_UI08       m_KeyEncryptionMethod; 
00078     AP4_String     m_GroupId;
00079     AP4_DataBuffer m_GroupKey;
00080 };
00081 
00082 #endif // _AP4_GRPI_ATOM_H_
Generated on Thu May 13 16:36:32 2010 for Bento4 MP4 SDK by
1.6.3
previous page start next page