AuroraMiddleware/AuroraOpenALSoft
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Zero out wet send params when calculating source params

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Instead of using a check in the mix loop
This commit is contained in:
Chris Robinson 2007-12-31 19:13:18 -08:00
parent d6288d63c6
commit 5a2f509104
1 changed files with 62 additions and 38 deletions
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100
Alc/ALu.c
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@ -411,16 +411,34 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource,
case AL_FORMAT_MONO16:
drysend[0] = ConeVolume * ListenerGain * DryMix * aluSqrt(1.0f); //Direct
drysend[1] = ConeVolume * ListenerGain * DryMix * aluSqrt(1.0f); //Direct
wetsend[0] = ListenerGain * WetMix * aluSqrt(1.0f); //Room
wetsend[1] = ListenerGain * WetMix * aluSqrt(1.0f); //Room
if(ALSource->Send[0].Slot.effectslot)
{
wetsend[0] = ListenerGain * WetMix * aluSqrt(1.0f); //Room
wetsend[1] = ListenerGain * WetMix * aluSqrt(1.0f); //Room
}
else
{
wetsend[0] = 0.0f;
wetsend[1] = 0.0f;
*wetgainhf = 1.0f;
}
break;
case AL_FORMAT_STEREO8:
case AL_FORMAT_STEREO16:
PanningLR = 0.5f + 0.5f*Position[0];
drysend[0] = ConeVolume * ListenerGain * DryMix * aluSqrt(1.0f-PanningLR); //L Direct
drysend[1] = ConeVolume * ListenerGain * DryMix * aluSqrt( PanningLR); //R Direct
wetsend[0] = ListenerGain * WetMix * aluSqrt(1.0f-PanningLR); //L Room
wetsend[1] = ListenerGain * WetMix * aluSqrt( PanningLR); //R Room
if(ALSource->Send[0].Slot.effectslot)
{
wetsend[0] = ListenerGain * WetMix * aluSqrt(1.0f-PanningLR); //L Room
wetsend[1] = ListenerGain * WetMix * aluSqrt( PanningLR); //R Room
}
else
{
wetsend[0] = 0.0f;
wetsend[1] = 0.0f;
*wetgainhf = 1.0f;
}
break;
case AL_FORMAT_QUAD8:
case AL_FORMAT_QUAD16:
@ -435,10 +453,21 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource,
drysend[1] = ConeVolume * ListenerGain * DryMix * aluSqrt(( PanningLR)*(1.0f-PanningFB)); //FR Direct
drysend[2] = ConeVolume * ListenerGain * DryMix * aluSqrt((1.0f-PanningLR)*( PanningFB)); //BL Direct
drysend[3] = ConeVolume * ListenerGain * DryMix * aluSqrt(( PanningLR)*( PanningFB)); //BR Direct
wetsend[0] = ListenerGain * WetMix * aluSqrt((1.0f-PanningLR)*(1.0f-PanningFB)); //FL Room
wetsend[1] = ListenerGain * WetMix * aluSqrt(( PanningLR)*(1.0f-PanningFB)); //FR Room
wetsend[2] = ListenerGain * WetMix * aluSqrt((1.0f-PanningLR)*( PanningFB)); //BL Room
wetsend[3] = ListenerGain * WetMix * aluSqrt(( PanningLR)*( PanningFB)); //BR Room
if(ALSource->Send[0].Slot.effectslot)
{
wetsend[0] = ListenerGain * WetMix * aluSqrt((1.0f-PanningLR)*(1.0f-PanningFB)); //FL Room
wetsend[1] = ListenerGain * WetMix * aluSqrt(( PanningLR)*(1.0f-PanningFB)); //FR Room
wetsend[2] = ListenerGain * WetMix * aluSqrt((1.0f-PanningLR)*( PanningFB)); //BL Room
wetsend[3] = ListenerGain * WetMix * aluSqrt(( PanningLR)*( PanningFB)); //BR Room
}
else
{
wetsend[0] = 0.0f;
wetsend[1] = 0.0f;
wetsend[2] = 0.0f;
wetsend[3] = 0.0f;
*wetgainhf = 1.0f;
}
break;
default:
break;
@ -446,20 +475,24 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource,
}
else
{
*drygainhf = DryGainHF;
*wetgainhf = WetGainHF;
//1. Multi-channel buffers always play "normal"
drysend[0] = SourceVolume * 1.0f * ListenerGain;
drysend[1] = SourceVolume * 1.0f * ListenerGain;
drysend[2] = SourceVolume * 1.0f * ListenerGain;
drysend[3] = SourceVolume * 1.0f * ListenerGain;
wetsend[0] = SourceVolume * 0.0f * ListenerGain;
wetsend[1] = SourceVolume * 0.0f * ListenerGain;
wetsend[2] = SourceVolume * 0.0f * ListenerGain;
wetsend[3] = SourceVolume * 0.0f * ListenerGain;
if(ALSource->Send[0].Slot.effectslot)
{
wetsend[0] = SourceVolume * 0.0f * ListenerGain;
wetsend[1] = SourceVolume * 0.0f * ListenerGain;
wetsend[2] = SourceVolume * 0.0f * ListenerGain;
wetsend[3] = SourceVolume * 0.0f * ListenerGain;
*wetgainhf = 1.0f;
}
pitch[0] = Pitch;
*drygainhf = DryGainHF;
*wetgainhf = WetGainHF;
}
}
@ -603,37 +636,28 @@ ALvoid aluMixData(ALCcontext *ALContext,ALvoid *buffer,ALsizei size,ALenum forma
DryBuffer[j][2] += value*DrySend[2];
DryBuffer[j][3] += value*DrySend[3];
if(ALSource->Send[0].Slot.effectslot)
{
//Room path final mix buffer and panning
value = aluComputeWetSample(ALSource, WetGainHF, sample);
WetBuffer[j][0] += value*WetSend[0];
WetBuffer[j][1] += value*WetSend[1];
WetBuffer[j][2] += value*WetSend[2];
WetBuffer[j][3] += value*WetSend[3];
}
//Room path final mix buffer and panning
value = aluComputeWetSample(ALSource, WetGainHF, sample);
WetBuffer[j][0] += value*WetSend[0];
WetBuffer[j][1] += value*WetSend[1];
WetBuffer[j][2] += value*WetSend[2];
WetBuffer[j][3] += value*WetSend[3];
}
else
{
ALfloat value2;
//First order interpolator (left)
value = (ALfloat)((ALshort)(((Data[k*2 ]*((1L<<FRACTIONBITS)-fraction))+(Data[k*2+2]*(fraction)))>>FRACTIONBITS));
//First order interpolator (right)
value2 = (ALfloat)((ALshort)(((Data[k*2+1]*((1L<<FRACTIONBITS)-fraction))+(Data[k*2+3]*(fraction)))>>FRACTIONBITS));
//Direct path final mix buffer and panning (left)
DryBuffer[j][0] += value*DrySend[0];
//Direct path final mix buffer and panning (right)
DryBuffer[j][1] += value2*DrySend[1];
//Room path final mix buffer and panning (left)
WetBuffer[j][0] += value*WetSend[0];
if(ALSource->Send[0].Slot.effectslot)
{
//Room path final mix buffer and panning (left)
WetBuffer[j][0] += value*WetSend[0];
//Room path final mix buffer and panning (right)
WetBuffer[j][1] += value2*WetSend[1];
}
//First order interpolator (right)
value = (ALfloat)((ALshort)(((Data[k*2+1]*((1L<<FRACTIONBITS)-fraction))+(Data[k*2+3]*(fraction)))>>FRACTIONBITS));
//Direct path final mix buffer and panning (right)
DryBuffer[j][1] += value*DrySend[1];
//Room path final mix buffer and panning (right)
WetBuffer[j][1] += value*WetSend[1];
}
DataPosFrac += increment;
j++;