dolphin/Source/Core/AudioCommon/Src/DSoundStream.h

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// Copyright (C) 2003 Dolphin Project.
// This program 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, version 2.0.
// This program 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 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#ifndef _DSOUNDSTREAM_H_
#define _DSOUNDSTREAM_H_
#include "SoundStream.h"
#include "Thread.h"
#ifdef _WIN32
#include <mmsystem.h>
#include <dsound.h>
#define BUFSIZE (1024 * 8 * 4)
#endif
class DSound : public SoundStream
{
#ifdef _WIN32
Common::Thread *thread;
Common::EventEx soundSyncEvent;
void *hWnd;
IDirectSound8* ds;
IDirectSoundBuffer* dsBuffer;
int bufferSize; //i bytes
int m_volume;
// playback position
int currentPos;
int lastPos;
short realtimeBuffer[BUFSIZE / sizeof(short)];
inline int FIX128(int x)
{
return x & (~127);
}
inline int ModBufferSize(int x)
{
return (x + bufferSize) % bufferSize;
}
bool CreateBuffer();
bool WriteDataToBuffer(DWORD dwOffset, char* soundData, DWORD dwSoundBytes);
public:
DSound(CMixer *mixer, void *hWnd = NULL)
: SoundStream(mixer)
, bufferSize(0)
, currentPos(0)
, lastPos(0)
, dsBuffer(0)
, ds(0)
{}
virtual ~DSound() {}
virtual bool Start();
virtual void SoundLoop();
virtual void SetVolume(int volume);
virtual void Stop();
virtual void Clear(bool mute);
static bool isValid() { return true; }
virtual bool usesMixer() const { return true; }
virtual void Update();
#else
public:
DSound(CMixer *mixer, void *hWnd = NULL)
: SoundStream(mixer)
{}
#endif
};
#endif //_DSOUNDSTREAM_H_