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|
/*****************************************************************
|
| AP4 - pssh Atoms
|
| Copyright 2002-2012 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_PSSH_ATOM_H_
#define _AP4_PSSH_ATOM_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Ap4Atom.h"
/*----------------------------------------------------------------------
| AP4_PsshAtom
+---------------------------------------------------------------------*/
class AP4_PsshAtom : public AP4_Atom
{
public:
AP4_IMPLEMENT_DYNAMIC_CAST_D(AP4_PsshAtom, AP4_Atom)
// class methods
static AP4_PsshAtom* Create(AP4_Size size, AP4_ByteStream& stream);
// methods
AP4_PsshAtom(const unsigned char* system_id);
virtual AP4_Result InspectFields(AP4_AtomInspector& inspector);
virtual AP4_Result WriteFields(AP4_ByteStream& stream);
// accessors
const unsigned char* GetSystemId() { return m_SystemId; }
void SetSystemId(const unsigned char system_id[16]);
AP4_UI32 GetKidCount() { return m_KidCount; }
const unsigned char* GetKid(unsigned int index);
void SetKids(const unsigned char* kids, AP4_UI32 kid_count);
const AP4_DataBuffer& GetData() { return m_Data; }
AP4_Result SetData(const unsigned char* data, unsigned int data_size);
AP4_Result SetData(AP4_Atom& atom);
AP4_Result SetPadding(AP4_Byte* data, unsigned int data_size);
private:
// methods
AP4_PsshAtom(AP4_UI32 size,
AP4_UI08 version,
AP4_UI32 flags,
AP4_ByteStream& stream);
AP4_UI32 GetComputedSize();
void RecomputeSize();
// members
unsigned char m_SystemId[16];
AP4_DataBuffer m_Data;
AP4_UI32 m_KidCount;
AP4_DataBuffer m_Kids;
AP4_DataBuffer m_Padding;
};
#endif // _AP4_PSSH_ATOM_H_
|
