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51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
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#pragma once
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#define SAFE_RELEASE(p) { if(p) { (p)->Release(); (p)=NULL; } }
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// Define max 1 of these:
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//#define RIFF_SPKR
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//#define RIFF_MB
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typedef struct
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{
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LPDIRECTSOUNDBUFFER lpDSBvoice;
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LPDIRECTSOUNDNOTIFY lpDSNotify;
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bool bActive; // Playback is active
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bool bMute;
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LONG nVolume; // Current volume (as used by DirectSound)
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LONG nFadeVolume; // Current fade volume (as used by DirectSound)
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DWORD dwUserVolume; // Volume from slider on Property Sheet (0=Max)
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bool bIsSpeaker;
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bool bRecentlyActive; // (Speaker only) false after 0.2s of speaker inactivity
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} VOICE, *PVOICE;
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bool DSGetLock(LPDIRECTSOUNDBUFFER pVoice, DWORD dwOffset, DWORD dwBytes,
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SHORT** ppDSLockedBuffer0, DWORD* pdwDSLockedBufferSize0,
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SHORT** ppDSLockedBuffer1, DWORD* pdwDSLockedBufferSize1);
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HRESULT DSGetSoundBuffer(VOICE* pVoice, DWORD dwFlags, DWORD dwBufferSize, DWORD nSampleRate, int nChannels);
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void DSReleaseSoundBuffer(VOICE* pVoice);
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bool DSZeroVoiceBuffer(PVOICE Voice, char* pszDevName, DWORD dwBufferSize);
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bool DSZeroVoiceWritableBuffer(PVOICE Voice, char* pszDevName, DWORD dwBufferSize);
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enum eFADE {FADE_NONE, FADE_IN, FADE_OUT};
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void SoundCore_SetFade(eFADE FadeType);
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bool SoundCore_GetTimerState();
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bool DSInit();
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void DSUninit();
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LONG NewVolume(DWORD dwVolume, DWORD dwVolumeMax);
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void SysClk_WaitTimer();
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void SysClk_InitTimer();
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void SysClk_UninitTimer();
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void SysClk_StartTimerUsec(DWORD dwUsecPeriod);
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void SysClk_StopTimer();
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//
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extern bool g_bDSAvailable;
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