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|
/*****************************************************************
|
| AP4 - ohdr Atom
|
| Copyright 2002-2008 Axiomatic Systems, LLC
|
|
| This file is part of Bento4/AP4 (MP4 Atom Processing Library).
|
| Unless you have obtained Bento4 under a difference license,
| this version of Bento4 is Bento4|GPL.
| Bento4|GPL is free software; you can redistribute it and/or modify
| it under the terms of the GNU General Public License as published by
| the Free Software Foundation; either version 2, or (at your option)
| any later version.
|
| Bento4|GPL is distributed in the hope that it will be useful,
| but WITHOUT ANY WARRANTY; without even the implied warranty of
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
| GNU General Public License for more details.
|
| You should have received a copy of the GNU General Public License
| along with Bento4|GPL; see the file COPYING. If not, write to the
| Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
| 02111-1307, USA.
|
****************************************************************/
#ifndef _AP4_OHDR_ATOM_H_
#define _AP4_OHDR_ATOM_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Ap4Types.h"
#include "Ap4Atom.h"
#include "Ap4ContainerAtom.h"
#include "Ap4String.h"
#include "Ap4OmaDcf.h"
/*----------------------------------------------------------------------
| constants
+---------------------------------------------------------------------*/
const AP4_UI08 AP4_OMA_DCF_ENCRYPTION_METHOD_NULL = 0;
const AP4_UI08 AP4_OMA_DCF_ENCRYPTION_METHOD_AES_CBC = 1;
const AP4_UI08 AP4_OMA_DCF_ENCRYPTION_METHOD_AES_CTR = 2;
const AP4_UI08 AP4_OMA_DCF_PADDING_SCHEME_NONE = 0;
const AP4_UI08 AP4_OMA_DCF_PADDING_SCHEME_RFC_2630 = 1;
/*----------------------------------------------------------------------
| AP4_OhdrAtom
+---------------------------------------------------------------------*/
class AP4_OhdrAtom : public AP4_ContainerAtom, public AP4_OmaDrmInfo
{
public:
AP4_IMPLEMENT_DYNAMIC_CAST_D2(AP4_OhdrAtom, AP4_ContainerAtom, AP4_OmaDrmInfo)
// class methods
static AP4_OhdrAtom* Create(AP4_Size size,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory);
// constructor
AP4_OhdrAtom(AP4_UI08 encryption_method,
AP4_UI08 padding_scheme,
AP4_UI64 plaintext_length,
const char* content_id,
const char* rights_issuer_url,
const AP4_Byte* textual_headers,
AP4_Size textual_headers_size);
// methods
virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
virtual AP4_Result WriteFields(AP4_ByteStream& stream);
virtual AP4_Atom* Clone();
// accessors
AP4_UI08 GetEncryptionMethod() const { return m_EncryptionMethod; }
void SetEncryptionMethod(AP4_UI08 encryption_method) { m_EncryptionMethod = encryption_method; }
AP4_UI08 GetPaddingScheme() const { return m_PaddingScheme; }
void SetPaddingScheme(AP4_UI08 padding_scheme) { m_PaddingScheme = padding_scheme; }
AP4_UI64 GetPlaintextLength() const { return m_PlaintextLength; }
// AP4_OmaDrmInfo implementation
const AP4_String& GetContentId() const { return m_ContentId; }
const AP4_String& GetRightsIssuerUrl() const { return m_RightsIssuerUrl; }
const AP4_DataBuffer& GetTextualHeaders() const { return m_TextualHeaders; }
private:
// methods
AP4_OhdrAtom(AP4_UI32 size,
AP4_UI08 version,
AP4_UI32 flags,
AP4_ByteStream& stream,
AP4_AtomFactory& atom_factory);
// members
AP4_UI08 m_EncryptionMethod;
AP4_UI08 m_PaddingScheme;
AP4_UI64 m_PlaintextLength;
AP4_String m_ContentId;
AP4_String m_RightsIssuerUrl;
AP4_DataBuffer m_TextualHeaders;
};
#endif // _AP4_OHDR_ATOM_H_
|
