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-rw-r--r--Alc/ALu.c53
-rw-r--r--Alc/mixer.c25
2 files changed, 68 insertions, 10 deletions
diff --git a/Alc/ALu.c b/Alc/ALu.c
index 8baa5a4f..fa2cba6f 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -281,9 +281,10 @@ ALvoid CalcNonAttnSourceParams(ALactivesource *src, const ALCcontext *ALContext)
ALfloat SourceVolume,ListenerGain,MinVolume,MaxVolume;
ALbufferlistitem *BufferListItem;
enum FmtChannels Channels;
- ALfloat DryGain, DryGainHF;
+ ALfloat DryGain, DryGainHF, DryGainLF;
ALfloat WetGain[MAX_SENDS];
ALfloat WetGainHF[MAX_SENDS];
+ ALfloat WetGainLF[MAX_SENDS];
ALint NumSends, Frequency;
const struct ChanMap *chans = NULL;
enum Resampler Resampler;
@@ -349,11 +350,13 @@ ALvoid CalcNonAttnSourceParams(ALactivesource *src, const ALCcontext *ALContext)
DryGain = clampf(SourceVolume, MinVolume, MaxVolume);
DryGain *= ALSource->Direct.Gain * ListenerGain;
DryGainHF = ALSource->Direct.GainHF;
+ DryGainLF = ALSource->Direct.GainLF;
for(i = 0;i < NumSends;i++)
{
WetGain[i] = clampf(SourceVolume, MinVolume, MaxVolume);
WetGain[i] *= ALSource->Send[i].Gain * ListenerGain;
WetGainHF[i] = ALSource->Send[i].GainHF;
+ WetGainLF[i] = ALSource->Send[i].GainLF;
}
switch(Channels)
@@ -582,27 +585,43 @@ ALvoid CalcNonAttnSourceParams(ALactivesource *src, const ALCcontext *ALContext)
{
ALfloat gainhf = maxf(0.01f, DryGainHF);
+ ALfloat gainlf = maxf(0.01f, DryGainLF);
ALfloat hfscale = ALSource->Direct.HFReference / Frequency;
+ ALfloat lfscale = ALSource->Direct.LFReference / Frequency;
for(c = 0;c < num_channels;c++)
{
- src->Direct.Filters[c] = (gainhf != 1.0f) ? AF_LowPass : AF_None;
+ src->Direct.Filters[c] = (gainhf != 1.0f && gainlf != 1.0f) ? AF_BandPass :
+ (gainhf != 1.0f) ? AF_LowPass :
+ (gainlf != 1.0f) ? AF_HighPass : AF_None;
ALfilterState_setParams(
&src->Direct.LpFilter[c], ALfilterType_HighShelf, gainhf,
hfscale, 0.0f
);
+ ALfilterState_setParams(
+ &src->Direct.HpFilter[c], ALfilterType_LowShelf, gainlf,
+ lfscale, 0.0f
+ );
}
}
for(i = 0;i < NumSends;i++)
{
ALfloat gainhf = maxf(0.01f, WetGainHF[i]);
+ ALfloat gainlf = maxf(0.01f, WetGainLF[i]);
ALfloat hfscale = ALSource->Send[i].HFReference / Frequency;
+ ALfloat lfscale = ALSource->Send[i].LFReference / Frequency;
for(c = 0;c < num_channels;c++)
{
- src->Send[i].Filters[c] = (gainhf != 1.0f) ? AF_LowPass : AF_None;
+ src->Send[i].Filters[c] = (gainhf != 1.0f && gainlf != 1.0f) ? AF_BandPass :
+ (gainhf != 1.0f) ? AF_LowPass :
+ (gainlf != 1.0f) ? AF_HighPass : AF_None;
ALfilterState_setParams(
&src->Send[i].LpFilter[c], ALfilterType_HighShelf, gainhf,
hfscale, 0.0f
);
+ ALfilterState_setParams(
+ &src->Send[i].HpFilter[c], ALfilterType_LowShelf, gainlf,
+ lfscale, 0.0f
+ );
}
}
}
@@ -627,9 +646,11 @@ ALvoid CalcSourceParams(ALactivesource *src, const ALCcontext *ALContext)
ALfloat DecayDistance[MAX_SENDS];
ALfloat DryGain;
ALfloat DryGainHF;
+ ALfloat DryGainLF;
ALboolean DryGainHFAuto;
ALfloat WetGain[MAX_SENDS];
ALfloat WetGainHF[MAX_SENDS];
+ ALfloat WetGainLF[MAX_SENDS];
ALboolean WetGainAuto;
ALboolean WetGainHFAuto;
enum Resampler Resampler;
@@ -639,8 +660,12 @@ ALvoid CalcSourceParams(ALactivesource *src, const ALCcontext *ALContext)
ALint i, j;
DryGainHF = 1.0f;
+ DryGainLF = 1.0f;
for(i = 0;i < MAX_SENDS;i++)
+ {
WetGainHF[i] = 1.0f;
+ WetGainLF[i] = 1.0f;
+ }
/* Get context/device properties */
DopplerFactor = ALContext->DopplerFactor * ALSource->DopplerFactor;
@@ -885,10 +910,12 @@ ALvoid CalcSourceParams(ALactivesource *src, const ALCcontext *ALContext)
/* Apply gain and frequency filters */
DryGain *= ALSource->Direct.Gain * ListenerGain;
DryGainHF *= ALSource->Direct.GainHF;
+ DryGainLF *= ALSource->Direct.GainLF;
for(i = 0;i < NumSends;i++)
{
WetGain[i] *= ALSource->Send[i].Gain * ListenerGain;
WetGainHF[i] *= ALSource->Send[i].GainHF;
+ WetGainLF[i] *= ALSource->Send[i].GainLF;
}
/* Calculate velocity-based doppler effect */
@@ -1089,22 +1116,38 @@ ALvoid CalcSourceParams(ALactivesource *src, const ALCcontext *ALContext)
{
ALfloat gainhf = maxf(0.01f, DryGainHF);
+ ALfloat gainlf = maxf(0.01f, DryGainLF);
ALfloat hfscale = ALSource->Direct.HFReference / Frequency;
- src->Direct.Filters[0] = (gainhf != 1.0f) ? AF_LowPass : AF_None;
+ ALfloat lfscale = ALSource->Direct.LFReference / Frequency;
+ src->Direct.Filters[0] = (gainhf != 1.0f && gainlf != 1.0f) ? AF_BandPass :
+ (gainhf != 1.0f) ? AF_LowPass :
+ (gainlf != 1.0f) ? AF_HighPass : AF_None;
ALfilterState_setParams(
&src->Direct.LpFilter[0], ALfilterType_HighShelf, gainhf,
hfscale, 0.0f
);
+ ALfilterState_setParams(
+ &src->Direct.HpFilter[0], ALfilterType_LowShelf, gainlf,
+ lfscale, 0.0f
+ );
}
for(i = 0;i < NumSends;i++)
{
ALfloat gainhf = maxf(0.01f, WetGainHF[i]);
+ ALfloat gainlf = maxf(0.01f, WetGainLF[i]);
ALfloat hfscale = ALSource->Send[i].HFReference / Frequency;
- src->Direct.Filters[0] = (gainhf != 1.0f) ? AF_LowPass : AF_None;
+ ALfloat lfscale = ALSource->Send[i].LFReference / Frequency;
+ src->Direct.Filters[0] = (gainhf != 1.0f && gainlf != 1.0f) ? AF_BandPass :
+ (gainhf != 1.0f) ? AF_LowPass :
+ (gainlf != 1.0f) ? AF_HighPass : AF_None;
ALfilterState_setParams(
&src->Send[i].LpFilter[0], ALfilterType_HighShelf, gainhf,
hfscale, 0.0f
);
+ ALfilterState_setParams(
+ &src->Send[i].HpFilter[0], ALfilterType_LowShelf, gainlf,
+ lfscale, 0.0f
+ );
}
}
diff --git a/Alc/mixer.c b/Alc/mixer.c
index ac433e35..32d4d308 100644
--- a/Alc/mixer.c
+++ b/Alc/mixer.c
@@ -84,7 +84,8 @@ static void SilenceData(ALfloat *dst, ALuint samples)
}
-static void DoFilters(ALfilterState *lpfilter, ALfloat *restrict dst, const ALfloat *restrict src,
+static void DoFilters(ALfilterState *lpfilter, ALfilterState *hpfilter,
+ ALfloat *restrict dst, const ALfloat *restrict src,
ALuint numsamples, enum ActiveFilters type)
{
ALuint i;
@@ -98,6 +99,18 @@ static void DoFilters(ALfilterState *lpfilter, ALfloat *restrict dst, const ALfl
for(i = 0;i < numsamples;i++)
dst[i] = ALfilterState_processSingle(lpfilter, src[i]);
break;
+
+ case AF_HighPass:
+ for(i = 0;i < numsamples;i++)
+ dst[i] = ALfilterState_processSingle(hpfilter, src[i]);
+ break;
+
+ case AF_BandPass:
+ for(i = 0;i < numsamples;i++)
+ dst[i] = ALfilterState_processSingle(hpfilter,
+ ALfilterState_processSingle(lpfilter, src[i])
+ );
+ break;
}
}
@@ -332,8 +345,9 @@ ALvoid MixSource(ALactivesource *src, ALCdevice *Device, ALuint SamplesToDo)
{
DirectParams *directparms = &src->Direct;
- DoFilters(&directparms->LpFilter[chan], SrcData, ResampledData,
- DstBufferSize, directparms->Filters[chan]);
+ DoFilters(&directparms->LpFilter[chan], &directparms->HpFilter[chan],
+ SrcData, ResampledData, DstBufferSize,
+ directparms->Filters[chan]);
src->DryMix(directparms, SrcData, chan, OutPos, DstBufferSize);
}
@@ -343,8 +357,9 @@ ALvoid MixSource(ALactivesource *src, ALCdevice *Device, ALuint SamplesToDo)
if(!sendparms->OutBuffer)
continue;
- DoFilters(&sendparms->LpFilter[chan], SrcData, ResampledData,
- DstBufferSize, sendparms->Filters[chan]);
+ DoFilters(&sendparms->LpFilter[chan], &sendparms->HpFilter[chan],
+ SrcData, ResampledData, DstBufferSize,
+ sendparms->Filters[chan]);
src->WetMix(sendparms, SrcData, OutPos, DstBufferSize);
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 19:31:36 +0000