forked from dolphin-emu/dolphin
		
	git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3898 8ced0084-cf51-0410-be5f-012b33b47a6e
		
			
				
	
	
		
			94 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#ifndef _DSOUNDSTREAM_H_
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#define _DSOUNDSTREAM_H_
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#include "SoundStream.h"
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#include "Thread.h"
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#ifdef _WIN32
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#include <mmsystem.h>
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#include <dsound.h>
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#define BUFSIZE 32768
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#define MAXWAIT 70   // miliseconds
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#endif
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class DSound : public SoundStream
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{
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#ifdef _WIN32
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    Common::Thread *thread;
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    Common::CriticalSection soundCriticalSection;
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    Common::Event soundSyncEvent;
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    void  *hWnd;
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    IDirectSound8* ds;
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    IDirectSoundBuffer* dsBuffer;
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    int bufferSize;     //i bytes
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    int totalRenderedBytes;
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	int m_volume;
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    // playback position
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    int currentPos;
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    int lastPos;
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    short realtimeBuffer[1024 * 1024];
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    inline int FIX128(int x) {
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		return x & (~127);
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    }
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    inline int ModBufferSize(int x) {
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		return (x + bufferSize) % bufferSize;
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    }
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    bool CreateBuffer();
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    bool WriteDataToBuffer(DWORD dwOffset, char* soundData,
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			   DWORD dwSoundBytes);
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public:
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	DSound(CMixer *mixer, void *hWnd = NULL)
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		: SoundStream(mixer)
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		, bufferSize(0)
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		, totalRenderedBytes(0)
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		, currentPos(0)
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		, lastPos(0)
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		, dsBuffer(0)
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		, ds(0)
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	{}
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    virtual ~DSound() {}
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	virtual bool Start();
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    virtual void SoundLoop();
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	virtual void SetVolume(int volume);
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    virtual void Stop();
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    static bool isValid() { return true; }
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    virtual bool usesMixer() const { return true; }
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    virtual void Update();
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#else
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public:
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	DSound(CMixer *mixer, void *hWnd = NULL)
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		: SoundStream(mixer)
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	{}
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#endif
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};
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#endif //_DSOUNDSTREAM_H_
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