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|
/*****************************************************************
|
| AP4 - Data Buffer Objects
|
| 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_DATA_BUFFER_H_
#define _AP4_DATA_BUFFER_H_
/*----------------------------------------------------------------------
| includes
+---------------------------------------------------------------------*/
#include "Ap4Types.h"
/*----------------------------------------------------------------------
| AP4_DataBuffer
+---------------------------------------------------------------------*/
class AP4_DataBuffer
{
public:
// constructors & destructor
AP4_DataBuffer();
AP4_DataBuffer(AP4_Size size);
AP4_DataBuffer(const void* data, AP4_Size data_size);
AP4_DataBuffer(const AP4_DataBuffer& other);
virtual ~AP4_DataBuffer();
// data buffer handling methods
AP4_Result SetBuffer(AP4_Byte* buffer, AP4_Size buffer_size);
AP4_Result SetBufferSize(AP4_Size buffer_size);
AP4_Size GetBufferSize() const { return m_BufferSize; }
// data handling methods
const AP4_Byte* GetData() const { return m_Buffer; }
AP4_Byte* UseData() { return m_Buffer; };
AP4_Size GetDataSize() const { return m_DataSize; }
AP4_Result SetDataSize(AP4_Size size);
AP4_Result SetData(const AP4_Byte* data, AP4_Size data_size);
AP4_Result AppendData(const AP4_Byte* data, AP4_Size data_size);
// memory management
AP4_Result Reserve(AP4_Size size);
protected:
// members
bool m_BufferIsLocal;
AP4_Byte* m_Buffer;
AP4_Size m_BufferSize;
AP4_Size m_DataSize;
// methods
AP4_Result ReallocateBuffer(AP4_Size size);
private:
// forbid this
AP4_DataBuffer& operator=(const AP4_DataBuffer& other);
};
#endif // _AP4_DATA_BUFFER_H_
|
