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45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
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#ifndef NULLSOFT_OUT_DS_VOLCTRL_H
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#define NULLSOFT_OUT_DS_VOLCTRL_H
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#include <windows.h>
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#include <mmsystem.h>
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#include <dsound.h>
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class DsVolCtrl
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{
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public:
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DsVolCtrl(int VolMode, double LogVolMin, bool logfades);
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void SetFade(__int64 duration, double destvol, double destpan);
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inline void SetFadeVol(__int64 duration, double destvol) {SetFade(duration, destvol, DestPanHack);}
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inline void SetFadePan(__int64 duration, double destpan) {SetFade(duration, DestVolHack, destpan);}
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__int64 RelFade(__int64 max, double destvol);
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void SetTime(__int64 time);
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void SetVolume(double vol);
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void SetPan(double pan);
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void Apply(IDirectSoundBuffer * pDSB);
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// inline double GetCurVol() {return CurVol;}
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inline double GetDestVol() { return DestVolHack;}
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inline void Reset() {CurTime = 0;FadeDstTime = -1;}
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double Stat_GetVolLeft();
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double Stat_GetVolRight();
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bool Fading();
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private:
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bool IsFading;
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int VolMode;
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double LogVolMin;
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double FadeSrcVol, FadeDstVol, FadeSrcPan, FadeDstPan;
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__int64 FadeSrcTime, FadeDstTime;
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__int64 CurTime;
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double CurVol, CurPan, LastVol, LastPan;
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double DestVolHack, DestPanHack;
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bool LogFades;
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void MapVol(double Vol, double Pan, double &NewVol, double &NewPan);
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};
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#endif
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