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////////////////////////////////////////////////////////////////////////////////////////
//
// Nestopia - NES/Famicom emulator written in C++
//
// Copyright (C) 2003-2008 Martin Freij
//
// This file is part of Nestopia.
//
// Nestopia 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 of the License, or
// (at your option) any later version.
//
// Nestopia 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 Nestopia; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
////////////////////////////////////////////////////////////////////////////////////////
#ifndef NST_IO_WAVE_H
#define NST_IO_WAVE_H
#pragma once
#include "language/resource.h"
#include "NstString.hpp"
#include <windows.h>
#if NST_MSVC >= 1200
#pragma warning( push )
#pragma warning( disable : 4201 )
#endif
#include <MMSystem.h>
#if NST_MSVC >= 1200
#pragma warning( pop )
#endif
namespace Nestopia
{
namespace Io
{
class Wave
{
public:
enum Mode
{
MODE_READ = MMIO_ALLOCBUF|MMIO_READ,
MODE_WRITE = MMIO_ALLOCBUF|MMIO_READWRITE|MMIO_CREATE|MMIO_EXCLUSIVE
};
explicit Wave(Mode);
~Wave();
enum Exception
{
ERR_OPEN = IDS_WAVE_ERR_OPEN,
ERR_WRITE = IDS_WAVE_ERR_WRITE,
ERR_READ = IDS_WAVE_ERR_READ,
ERR_FINALIZE = IDS_WAVE_ERR_FINALIZE
};
uint Open(const GenericString,WAVEFORMATEX&);
uint Open(const void*,uint,WAVEFORMATEX&);
void Write(const void*,uint);
void Read(void*);
void Close();
private:
uint Open(WAVEFORMATEX&);
void Abort();
void CreateChunk(MMCKINFO&,FOURCC,uint,uint,uint) const;
void AscendChunk(MMCKINFO&) const;
void DescendChunk(MMCKINFO&,const MMCKINFO*,uint) const;
template<typename T> void WriteChunk(const T&,int) const;
template<typename T> void ReadChunk(T&,int) const;
HMMIO handle;
const Mode mode;
MMCKINFO chunkRiff;
MMCKINFO chunkData;
MMIOINFO info;
Path fileName;
public:
bool IsOpen() const
{
return handle;
}
const Path& GetName() const
{
return fileName;
}
};
}
}
#endif
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