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Implement AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO property

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This commit is contained in:
Chris Robinson
2007-12-18 16:54:22 -08:00
parent 9adc20e4e7
commit 233e6f1765
3 changed files with 24 additions and 3 deletions
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Alc/ALu.c
+9 -3
View File
@@ -225,7 +225,7 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource,
InnerAngle = ALSource->flInnerAngle;
OuterAngle = ALSource->flOuterAngle;
HeadRelative = ALSource->bHeadRelative;
OuterGainHF = (ALSource->DryGainHFAuto ? ALSource->OuterGainHF : 1.0f);
OuterGainHF = ALSource->OuterGainHF;
//Set working variables
DryMix = (ALfloat)(1.0f);
@@ -310,12 +310,18 @@ static ALvoid CalcSourceParams(ALCcontext *ALContext, ALsource *ALSource,
{
ALfloat scale = (Angle-InnerAngle) / (OuterAngle-InnerAngle);
ConeVolume = (1.0f+(OuterGain-1.0f)*scale);
DryGainHF *= (1.0f+(OuterGainHF-1.0f)*scale);
if(ALSource->DryGainHFAuto)
DryGainHF *= (1.0f+(OuterGainHF-1.0f)*scale);
if(ALSource->WetGainHFAuto)
WetGainHF *= (1.0f+(OuterGainHF-1.0f)*scale);
}
else if(Angle > OuterAngle)
{
ConeVolume = (1.0f+(OuterGain-1.0f));
DryGainHF *= (1.0f+(OuterGainHF-1.0f));
if(ALSource->DryGainHFAuto)
DryGainHF *= (1.0f+(OuterGainHF-1.0f));
if(ALSource->WetGainHFAuto)
WetGainHF *= (1.0f+(OuterGainHF-1.0f));
}
else
ConeVolume = 1.0f;
OpenAL32/Include/alSource.h
+1
View File
@@ -72,6 +72,7 @@ typedef struct ALsource_struct
ALfloat LastWetSample;
ALboolean DryGainHFAuto;
ALboolean WetGainHFAuto;
ALfloat OuterGainHF;
ALfloat AirAbsorptionFactor;
OpenAL32/alSource.c
+14
View File
@@ -675,6 +675,13 @@ ALAPI ALvoid ALAPIENTRY alSourcei(ALuint source,ALenum eParam,ALint lValue)
alSetError(AL_INVALID_VALUE);
break;
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
if(lValue == AL_TRUE || lValue == AL_FALSE)
pSource->WetGainHFAuto = lValue;
else
alSetError(AL_INVALID_VALUE);
break;
default:
alSetError(AL_INVALID_ENUM);
break;
@@ -757,6 +764,7 @@ ALAPI void ALAPIENTRY alSourceiv(ALuint source, ALenum eParam, const ALint* plVa
case AL_REFERENCE_DISTANCE:
case AL_DIRECT_FILTER:
case AL_DIRECT_FILTER_GAINHF_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
alSourcei(source, eParam, plValues[0]);
break;
@@ -1103,6 +1111,10 @@ ALAPI ALvoid ALAPIENTRY alGetSourcei(ALuint source, ALenum eParam, ALint *plValu
*plValue = pSource->DryGainHFAuto;
break;
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
*plValue = pSource->WetGainHFAuto;
break;
default:
alSetError(AL_INVALID_ENUM);
break;
@@ -1214,6 +1226,7 @@ ALAPI void ALAPIENTRY alGetSourceiv(ALuint source, ALenum eParam, ALint* plValue
case AL_SOURCE_TYPE:
case AL_DIRECT_FILTER:
case AL_DIRECT_FILTER_GAINHF_AUTO:
case AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO:
alGetSourcei(source, eParam, plValues);
break;
@@ -1892,6 +1905,7 @@ static ALvoid InitSourceParams(ALsource *pSource)
pSource->flOuterGain = 0.0f;
pSource->DryGainHFAuto = AL_TRUE;
pSource->WetGainHFAuto = AL_TRUE;
pSource->AirAbsorptionFactor = 0.0f;
pSource->state = AL_INITIAL;