- Main Page
- Classes
- Files

# Ap4OhdrAtom.h

Go to the documentation of this file.

    00001 /*****************************************************************
    00002 |
    00003 |    AP4 - ohdr Atom
    00004 |
    00005 |    Copyright 2002-2005 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_OHDR_ATOM_H_
    00030 #define _AP4_OHDR_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 |   constants
    00042 +---------------------------------------------------------------------*/
    00043 const AP4_UI08 AP4_OMA_DCF_ENCRYPTION_METHOD_NULL    = 0;
    00044 const AP4_UI08 AP4_OMA_DCF_ENCRYPTION_METHOD_AES_CBC = 1;
    00045 const AP4_UI08 AP4_OMA_DCF_ENCRYPTION_METHOD_AES_CTR = 2;
    00046
    00047 const AP4_UI08 AP4_OMA_DCF_PADDING_SCHEME_NONE     = 0;
    00048 const AP4_UI08 AP4_OMA_DCF_PADDING_SCHEME_RFC_2630 = 1;
    00049
    00050 /*----------------------------------------------------------------------
    00051 |   AP4_OhdrAtom
    00052 +---------------------------------------------------------------------*/
    00053 class AP4_OhdrAtom : public AP4_ContainerAtom
    00054 {
    00055 public:
    00056     // class methods
    00057     static AP4_OhdrAtom* Create(AP4_Size         size,
    00058                                 AP4_ByteStream&  stream,
    00059                                 AP4_AtomFactory& atom_factory);
    00060
    00061     // constructor
    00062     AP4_OhdrAtom(AP4_UI08        encryption_method,
    00063                  AP4_UI08        padding_scheme,
    00064                  AP4_UI64        plaintext_length,
    00065                  const char*     content_id,
    00066                  const char*     rights_issuer_url,
    00067                  const AP4_Byte* textual_headers,
    00068                  AP4_Size        textual_headers_size);
    00069
    00070     // methods
    00071     virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
    00072     virtual AP4_Result WriteFields(AP4_ByteStream& stream);
    00073     virtual AP4_Atom*  Clone();
    00074
    00075     // accessors
    00076     AP4_UI08          GetEncryptionMethod()   const { return m_EncryptionMethod; }
    00077     void              SetEncryptionMethod(AP4_UI08 encryption_method) { m_EncryptionMethod = encryption_method; }
    00078     AP4_UI08          GetPaddingScheme()      const { return m_PaddingScheme;    }
    00079     void              SetPaddingScheme(AP4_UI08 padding_scheme) { m_PaddingScheme = padding_scheme; }
    00080     AP4_UI64          GetPlaintextLength()    const { return m_PlaintextLength;  }
    00081     const AP4_String& GetContentId()          const { return m_ContentId;        }
    00082     const AP4_String& GetRightsIssuerUrl()    const { return m_RightsIssuerUrl;  }
    00083     const AP4_DataBuffer& GetTextualHeaders() const { return m_TextualHeaders;   }
    00084
    00085 private:
    00086     // methods
    00087     AP4_OhdrAtom(AP4_UI32         size,
    00088                  AP4_UI32         version,
    00089                  AP4_UI32         flags,
    00090                  AP4_ByteStream&  stream,
    00091                  AP4_AtomFactory& atom_factory);
    00092
    00093     // members
    00094     AP4_UI08       m_EncryptionMethod;
    00095     AP4_UI08       m_PaddingScheme;
    00096     AP4_UI64       m_PlaintextLength;
    00097     AP4_String     m_ContentId;
    00098     AP4_String     m_RightsIssuerUrl;
    00099     AP4_DataBuffer m_TextualHeaders;
    00100 };
    00101
    00102 #endif // _AP4_OHDR_ATOM_H_