mirror of https://github.com/snes9xgit/snes9x.git
69 lines
2.3 KiB
C++
69 lines
2.3 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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#ifndef CXHAUDIO2_H
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#define CXAUDIO2_H
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#include "XAudio2.h"
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#include "../snes9x.h"
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#include <windows.h>
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#include "IS9xSoundOutput.h"
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class CXAudio2 : public IXAudio2VoiceCallback, public IS9xSoundOutput
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{
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private:
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IXAudio2SourceVoice *pSourceVoice;
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IXAudio2 *pXAudio2;
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IXAudio2MasteringVoice* pMasterVoice;
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bool initDone; // has init been called successfully?
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volatile LONG bufferCount; // currently submitted XAudio2 buffers
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UINT32 sum_bufferSize; // the size of soundBuffer
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UINT32 singleBufferSamples; // samples in one block
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UINT32 singleBufferBytes; // bytes in one block
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UINT32 blockCount; // soundBuffer is divided into blockCount blocks
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// currently set to 8
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UINT32 writeOffset; // offset into the buffer for the next block
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UINT32 partialOffset; // offset into non-complete block
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uint8 *soundBuffer; // the buffer itself
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bool InitVoices(void);
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void DeInitVoices(void);
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void PushBuffer(UINT32 AudioBytes,BYTE *pAudioData,void *pContext);
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void BeginPlayback(void);
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void StopPlayback(void);
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void ProcessSound(void);
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bool InitXAudio2(void);
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void DeInitXAudio2(void);
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std::vector<std::wstring> GetDeviceList();
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int FindDeviceIndex(TCHAR *audio_device);
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public:
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CXAudio2(void);
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~CXAudio2(void);
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// inherited from IXAudio2VoiceCallback - we only use OnBufferEnd
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STDMETHODIMP_(void) OnBufferEnd(void *pBufferContext);
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STDMETHODIMP_(void) OnBufferStart(void *pBufferContext){}
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STDMETHODIMP_(void) OnLoopEnd(void *pBufferContext){}
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STDMETHODIMP_(void) OnStreamEnd() {}
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STDMETHODIMP_(void) OnVoiceError(void *pBufferContext, HRESULT Error) {}
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STDMETHODIMP_(void) OnVoiceProcessingPassEnd() {}
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STDMETHODIMP_(void) OnVoiceProcessingPassStart(UINT32 BytesRequired) {}
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// Inherited from IS9xSoundOutput
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bool InitSoundOutput(void) { return InitXAudio2(); }
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void DeInitSoundOutput(void) { DeInitXAudio2(); }
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bool SetupSound(void);
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void SetVolume(double volume);
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};
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#endif
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