Bento4 MP4 SDK: Ap4OddaAtom.h Source File

Bento4 MP4 SDK

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Ap4OddaAtom.h

00001 /*****************************************************************
00002 |
00003 |    AP4 - odda 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_ODDA_ATOM_H_
00030 #define _AP4_ODDA_ATOM_H_
00031 
00032 /*----------------------------------------------------------------------
00033 |   includes
00034 +---------------------------------------------------------------------*/
00035 #include "Ap4Types.h"
00036 #include "Ap4Atom.h"
00037 #include "Ap4String.h"
00038 
00039 /*----------------------------------------------------------------------
00040 |   AP4_OddaAtom
00041 +---------------------------------------------------------------------*/
00042 class AP4_OddaAtom : public AP4_Atom
00043 {
00044 public:
00045     AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_OddaAtom, AP4_Atom)
00046 
00047     // class methods
00048     static AP4_OddaAtom* Create(AP4_UI64        size, 
00049                                 AP4_ByteStream& stream);
00050 
00051     // constructor
00052     AP4_OddaAtom(AP4_ByteStream& encrypted_payload);
00053      
00054     // destructor
00055     ~AP4_OddaAtom();
00056 
00057     // methods
00058     virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
00059     virtual AP4_Result WriteFields(AP4_ByteStream& stream);
00060     
00061     // accessors
00062     AP4_UI64 GetEncryptedDataLength() { return m_EncryptedDataLength; }
00063 
00067     AP4_Result SetEncryptedPayload(AP4_ByteStream& stream);
00068     AP4_Result SetEncryptedPayload(AP4_ByteStream& stream, AP4_LargeSize length);
00069 
00073     AP4_ByteStream& GetEncryptedPayload() { return *m_EncryptedPayload; }
00074 
00075 private:
00076     // methods
00077     AP4_OddaAtom(AP4_UI64         size, 
00078                  AP4_UI32         version,
00079                  AP4_UI32         flags,
00080                  AP4_ByteStream&  stream);
00081 
00082     // members
00083     AP4_UI64        m_EncryptedDataLength;
00084     AP4_ByteStream* m_EncryptedPayload;
00085 };
00086 
00087 #endif // _AP4_ODDA_ATOM_H_
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