Ap4DataBuffer.h
Go to the documentation of this file.00001 /***************************************************************** 00002 | 00003 | AP4 - Data Buffer Objects 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_DATA_BUFFER_H_ 00030 #define _AP4_DATA_BUFFER_H_ 00031 00032 /*---------------------------------------------------------------------- 00033 | includes 00034 +---------------------------------------------------------------------*/ 00035 #include "Ap4Types.h" 00036 00037 /*---------------------------------------------------------------------- 00038 | AP4_DataBuffer 00039 +---------------------------------------------------------------------*/ 00040 class AP4_DataBuffer 00041 { 00042 public: 00043 // constructors & destructor 00044 AP4_DataBuffer(); 00045 AP4_DataBuffer(AP4_Size size); 00046 AP4_DataBuffer(const void* data, AP4_Size data_size); 00047 AP4_DataBuffer(const AP4_DataBuffer& other); 00048 virtual ~AP4_DataBuffer(); 00049 00050 // data buffer handling methods 00051 AP4_Result SetBuffer(AP4_Byte* buffer, AP4_Size buffer_size); 00052 AP4_Result SetBufferSize(AP4_Size buffer_size); 00053 AP4_Size GetBufferSize() const { return m_BufferSize; } 00054 00055 // data handling methods 00056 const AP4_Byte* GetData() const { return m_Buffer; } 00057 AP4_Byte* UseData() { return m_Buffer; }; 00058 AP4_Size GetDataSize() const { return m_DataSize; } 00059 AP4_Result SetDataSize(AP4_Size size); 00060 AP4_Result SetData(const AP4_Byte* data, AP4_Size data_size); 00061 00062 // memory management 00063 AP4_Result Reserve(AP4_Size size); 00064 00065 protected: 00066 // members 00067 bool m_BufferIsLocal; 00068 AP4_Byte* m_Buffer; 00069 AP4_Size m_BufferSize; 00070 AP4_Size m_DataSize; 00071 00072 // methods 00073 AP4_Result ReallocateBuffer(AP4_Size size); 00074 00075 private: 00076 // forbid this 00077 AP4_DataBuffer& operator=(const AP4_DataBuffer& other); 00078 }; 00079 00080 #endif // _AP4_DATA_BUFFER_H_ 00081
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