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標題: reveb效果器 [打印本頁]

作者: zzh199110 時間: 2017-9-1 22:43
標題: reveb效果器
int Reverb_eye(int InData,int RvbLvl)
{
long  PsDt;
int RbLenTp1=2477;
int RbLenTp2=2441;
int RbLenTp3=2383;
int RbLenTp4=2333;
int RbLenTp5=2281;
int RbLenTp6=2203;
//int RbLenTp7=2099;
//int RbLenTp8=1987;
RvbLvl=RvbLvl>>5;
// RvbDcy=(RvbLvl>>1)+46;
     /////////////%%%%%%%%%parallel one%%%%%%%%%%%%%%%%%%%%%%%%%%%
PsDt=(long)InData<<4;//21
FdBkDt=((ReOutf1<<4)*RvbDcy>>7)+PsDt;
if(FdBkDt>524287) FdBkDt=524287;
if(FdBkDt<-524287) FdBkDt=-524287;
RevbBuf1[RvI1]=(FdBkDt>>4);
RvI1++;
if(RvI1>=RbLenTp1)
RvI1=0;
ReOutf1=RevbBuf1[RvI1];
/////////////%%%%%%%%%parallel two%%%%%%%%%%%%%%%%%%%%%%%%%%%
//PsDt=(long)InData;//

FdBkDt=((ReOutf2<<4)*RvbDcy>>7)+PsDt;
if(FdBkDt>524287) FdBkDt=524287;
if(FdBkDt<-524287) FdBkDt=-524287;
RevbBuf2[RvI2]=(FdBkDt>>4);
RvI2++;
if(RvI2>=RbLenTp2)
RvI2=0;
ReOutf2=RevbBuf2[RvI2];
/////////////%%%%%%%%%parallel three%%%%%%%%%%%%%%%%%%%%%%%%%%%
#if 1
FdBkDt=((ReOutf3<<4)*RvbDcy>>7)+PsDt;
  if(FdBkDt>524287) FdBkDt=524287;
if(FdBkDt<-524287) FdBkDt=-524287;
RevbBuf3[RvI3]=(FdBkDt>>4);
RvI3++;
if(RvI3>=RbLenTp3)
RvI3=0;
ReOutf3=RevbBuf3[RvI3];
#endif

/////////////%%%%%%%%%parallel four%%%%%%%%%%%%%%%%%%%%%%%%%%%
#if 1
FdBkDt=((ReOutf4<<4)*RvbDcy>>7)+PsDt;
  if(FdBkDt>524287) FdBkDt=524287;
if(FdBkDt<-524287) FdBkDt=-524287;
RevbBuf4[RvI4]=(FdBkDt>>4);
RvI4++;
if(RvI4>=RbLenTp4)
RvI4=0;
ReOutf4=RevbBuf4[RvI4];
#endif

/////////////%%%%%%%%%parallel five%%%%%%%%%%%%%%%%%%%%%%%%%%%
#if 1
FdBkDt=((ReOutf5<<4)*RvbDcy>>7)+PsDt;
if(FdBkDt>524287) FdBkDt=524287;
if(FdBkDt<-524287) FdBkDt=-524287;
RevbBuf5[RvI5]=(FdBkDt>>4);
RvI5++;
if(RvI5>=RbLenTp5)
RvI5=0;
ReOutf5=RevbBuf5[RvI5];
#endif
#if 1
/////////////%%%%%%%%%parallel six%%%%%%%%%%%%%%%%%%%%%%%%%%%
FdBkDt=((ReOutf6)*RvbDcy>>7)+PsDt;
if(FdBkDt>524287) FdBkDt=524287;
if(FdBkDt<-524287) FdBkDt=-524287;
RevbBuf6[RvI6]=(FdBkDt>>4);
RvI6++;
if(RvI6>=RbLenTp6)
RvI6=0;
ReOutf6=RevbBuf6[RvI6];
#endif
/////////////%%%%%%%%%parallel seven%%%%%%%%%%%%%%%%%%%%%%%%%%%
#if 0
FdBkDt=((ReOutf7)*RvbDcy>>7)+PsDt;
if(FdBkDt>524287) FdBkDt=524287;
if(FdBkDt<-524287) FdBkDt=-524287;
RevbBuf7[RvI7]=(FdBkDt);
RvI7++;
if(RvI7>=RbLenTp7)
RvI7=0;
ReOutf7=RevbBuf7[RvI7];
#endif
#if 0
/////////////%%%%%%%%%parallel eight%%%%%%%%%%%%%%%%%%%%%%%%%%%
FdBkDt=((ReOutf8)*RvbDcy>>7)+PsDt;
if(FdBkDt>524287) FdBkDt=524287;
if(FdBkDt<-524287) FdBkDt=-524287;
RevbBuf8[RvI8]=(FdBkDt);
RvI8++;
if(RvI8>=RbLenTp8)
RvI8=0;
ReOutf8=RevbBuf8[RvI8];
#endif

//Prl_OutData=(long)RevboutSum;
Prl_OutData=ReOutf1+ReOutf2+ReOutf3+ReOutf4+ReOutf5+ReOutf6;//+ReOutf7+ReOutf8;
#if 0
/////////////%%%%%%%%%series one%%%%%%%%%%%%%%%%%%%%%%%%%%%
FdBkDt=(ReOutf6*12>>6);
//if(FdBkDt>32767) FdBkDt=32767;
//if(FdBkDt<-32767) FdBkDt=-32767;
RevbBuf6[RvI6]=FdBkDt;
RvI6++;
if(RvI6>=RbLenTp6)
RvI6=0;
ReOutf6=Prl_OutData+RevbBuf6[RvI6];
//ReOutf6>>=1;
//ReOutf6>>=4;

//if(ReOutf6>32767) ReOutf6=32767;
//if(ReOutf6<-32767) ReOutf6=-32767;
#endif
/////////////////////out///////////////////
//OutData=ReOutf6;
OutData=Prl_OutData>>3;
if(OutData>32767) OutData=32767;
if(OutData<-32767) OutData=-32767;
//===============================RbTone==============================
Rbfout=(long)((OutData<<4)*(RvbTone+0)+Rbfout_1*(1024-RvbTone))>>10;
Rbfout_1=Rbfout;

//===============================RbLEVEL=========================
PsDt=(long)(Rbfout>>4)*10000>>14;//
PsDt=(((long)PsDt)*RvbLvl>>7)+InData;//*((127-RvbLvl)>>5);

if(PsDt>32767) PsDt=32767;
if(PsDt<-32767) PsDt=-32767;
return PsDt;

}

Reverb_eye.zip

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