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Remove unnecessary casting

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This commit is contained in:
Chris Robinson
2008-08-08 00:21:25 -07:00
parent 453b015225
commit cfe620ccb5
1 changed files with 16 additions and 8 deletions
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Alc/ALu.c
+16 -8
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@@ -785,11 +785,13 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
{
ALfloat samp1, samp2;
//First order interpolator (front left)
samp1 = (ALfloat)((ALshort)(((Data[k*Channels ]*((1L<<FRACTIONBITS)-fraction))+(Data[(k+1)*Channels ]*(fraction)))>>FRACTIONBITS));
samp1 = (Data[k*Channels]*((1<<FRACTIONBITS)-fraction) +
Data[(k+1)*Channels]*fraction) >> FRACTIONBITS;
DryBuffer[j][FRONT_LEFT] += samp1*DrySend[FRONT_LEFT];
WetBuffer[j][FRONT_LEFT] += samp1*WetSend[FRONT_LEFT];
//First order interpolator (front right)
samp2 = (ALfloat)((ALshort)(((Data[k*Channels+1]*((1L<<FRACTIONBITS)-fraction))+(Data[(k+1)*Channels+1]*(fraction)))>>FRACTIONBITS));
samp2 = (Data[k*Channels+1]*((1<<FRACTIONBITS)-fraction) +
Data[(k+1)*Channels+1]*fraction) >> FRACTIONBITS;
DryBuffer[j][FRONT_RIGHT] += samp2*DrySend[FRONT_RIGHT];
WetBuffer[j][FRONT_RIGHT] += samp2*WetSend[FRONT_RIGHT];
if(Channels >= 4)
@@ -800,36 +802,42 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
if(Channels != 7)
{
//First order interpolator (center)
value = (ALfloat)((ALshort)(((Data[k*Channels+i]*((1L<<FRACTIONBITS)-fraction))+(Data[(k+1)*Channels+i]*(fraction)))>>FRACTIONBITS));
value = (Data[k*Channels+i]*((1<<FRACTIONBITS)-fraction) +
Data[(k+1)*Channels+i]*fraction) >> FRACTIONBITS;
DryBuffer[j][CENTER] += value*DrySend[CENTER];
WetBuffer[j][CENTER] += value*WetSend[CENTER];
i++;
}
//First order interpolator (lfe)
value = (ALfloat)((ALshort)(((Data[k*Channels+i]*((1L<<FRACTIONBITS)-fraction))+(Data[(k+1)*Channels+i]*(fraction)))>>FRACTIONBITS));
value = (Data[k*Channels+i]*((1<<FRACTIONBITS)-fraction) +
Data[(k+1)*Channels+i]*fraction) >> FRACTIONBITS;
DryBuffer[j][LFE] += value*DrySend[LFE];
WetBuffer[j][LFE] += value*WetSend[LFE];
i++;
}
//First order interpolator (back left)
value = (ALfloat)((ALshort)(((Data[k*Channels+i]*((1L<<FRACTIONBITS)-fraction))+(Data[(k+1)*Channels+i]*(fraction)))>>FRACTIONBITS));
value = (Data[k*Channels+i]*((1<<FRACTIONBITS)-fraction) +
Data[(k+1)*Channels+i]*fraction) >> FRACTIONBITS;
DryBuffer[j][BACK_LEFT] += value*DrySend[BACK_LEFT];
WetBuffer[j][BACK_LEFT] += value*WetSend[BACK_LEFT];
i++;
//First order interpolator (back right)
value = (ALfloat)((ALshort)(((Data[k*Channels+i]*((1L<<FRACTIONBITS)-fraction))+(Data[(k+1)*Channels+i]*(fraction)))>>FRACTIONBITS));
value = (Data[k*Channels+i]*((1<<FRACTIONBITS)-fraction) +
Data[(k+1)*Channels+i]*fraction) >> FRACTIONBITS;
DryBuffer[j][BACK_RIGHT] += value*DrySend[BACK_RIGHT];
WetBuffer[j][BACK_RIGHT] += value*WetSend[BACK_RIGHT];
i++;
if(Channels >= 7)
{
//First order interpolator (side left)
value = (ALfloat)((ALshort)(((Data[k*Channels+i]*((1L<<FRACTIONBITS)-fraction))+(Data[(k+1)*Channels+i]*(fraction)))>>FRACTIONBITS));
value = (Data[k*Channels+i]*((1<<FRACTIONBITS)-fraction) +
Data[(k+1)*Channels+i]*fraction) >> FRACTIONBITS;
DryBuffer[j][SIDE_LEFT] += value*DrySend[SIDE_LEFT];
WetBuffer[j][SIDE_LEFT] += value*WetSend[SIDE_LEFT];
i++;
//First order interpolator (side right)
value = (ALfloat)((ALshort)(((Data[k*Channels+i]*((1L<<FRACTIONBITS)-fraction))+(Data[(k+1)*Channels+i]*(fraction)))>>FRACTIONBITS));
value = (Data[k*Channels+i]*((1<<FRACTIONBITS)-fraction) +
Data[(k+1)*Channels+i]*fraction) >> FRACTIONBITS;
DryBuffer[j][SIDE_RIGHT] += value*DrySend[SIDE_RIGHT];
WetBuffer[j][SIDE_RIGHT] += value*WetSend[SIDE_RIGHT];
i++;