Bento4 MP4 SDK: Ap4Interfaces.h Source File

Bento4 MP4 SDK

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Ap4Interfaces.h

00001 /*****************************************************************
00002 |
00003 |    AP4 - Common Interfaces
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_INTERFACES_H_
00030 #define _AP4_INTERFACES_H_
00031 
00032 /*----------------------------------------------------------------------
00033 |   includes
00034 +---------------------------------------------------------------------*/
00035 #include "Ap4Types.h"
00036 
00037 /*----------------------------------------------------------------------
00038 |   macros
00039 +---------------------------------------------------------------------*/
00040 #define AP4_RELEASE(o) do { if (o) (o)->Release(); (o) = NULL; } while (0)
00041 #define AP4_ADD_REFERENCE(o) do { if (o) (o)->AddReference(); } while (0)
00042 
00043 #if !defined(AP4_CONFIG_NO_EXCEPTIONS)
00044 /*----------------------------------------------------------------------
00045 |   AP4_Exception
00046 +---------------------------------------------------------------------*/
00047 class AP4_Exception
00048 {
00049 public:
00050     // methods
00051     AP4_Exception(AP4_Result error) : m_Error(error) {}
00052 
00053     // members
00054     AP4_Result m_Error;
00055 };
00056 #endif
00057 
00058 /*----------------------------------------------------------------------
00059 |   AP4_Referenceable
00060 +---------------------------------------------------------------------*/
00061 class AP4_Referenceable
00062 {
00063  public:
00064     // methods
00065     virtual ~AP4_Referenceable() {}
00066     virtual void AddReference() = 0;
00067     virtual void Release() = 0;
00068 };
00069 
00070 #endif // _AP4_INTERFACES_H_
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