65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
/*****************************************************************************\
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Snes9x - Portable Super Nintendo Entertainment System (TM) emulator.
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This file is licensed under the Snes9x License.
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For further information, consult the LICENSE file in the root directory.
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\*****************************************************************************/
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// CDirectSound.h: interface for the CDirectSound class.
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//
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//////////////////////////////////////////////////////////////////////
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#if !defined(DIRECTSOUND_H_INCLUDED)
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#define DIRECTSOUND_H_INCLUDED
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#include <windows.h>
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#include "IS9xSoundOutput.h"
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#if _MSC_VER >= 1000
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#pragma once
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#endif // _MSC_VER >= 1000
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class CDirectSound : public IS9xSoundOutput
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{
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private:
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LPDIRECTSOUND lpDS;
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LPDIRECTSOUNDBUFFER lpDSB; // the buffer used for mixing
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LPDIRECTSOUNDBUFFER lpDSBPrimary;
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int blockCount; // number of blocks in the buffer
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int blockSize; // bytes in one block
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int blockSamples; // samples in one block
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int bufferSize; // bytes in the whole buffer
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int blockTime; // ms in one block
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DWORD last_block; // the last block that was mixed
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bool initDone; // has init been called successfully?
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DWORD hTimer; // mixing timer
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bool InitDirectSound ();
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void DeInitDirectSound();
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bool InitSoundBuffer();
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void DeInitSoundBuffer();
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static VOID CALLBACK SoundTimerCallback(UINT uTimerID, UINT uMsg, DWORD_PTR dwUser, DWORD_PTR dw1, DWORD_PTR dw2);
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void ProcessSound();
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void MixSound();
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public:
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CDirectSound();
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~CDirectSound();
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// Inherited from IS9xSoundOutput
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bool InitSoundOutput(void) { return InitDirectSound(); }
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void DeInitSoundOutput(void) { DeInitDirectSound(); }
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bool SetupSound(void);
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void SetVolume(double volume);
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};
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extern CDirectSound DirectSound;
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#endif // !defined(DIRECTSOUND_H_INCLUDED)
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