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-rw-r--r--Alc/ALu.c31
-rw-r--r--Alc/effects/autowah.c6
-rw-r--r--Alc/effects/compressor.c2
-rw-r--r--Alc/effects/distortion.c2
-rw-r--r--Alc/effects/equalizer.c2
-rw-r--r--Alc/effects/modulator.c2
-rw-r--r--Alc/effects/reverb.c46
7 files changed, 30 insertions, 61 deletions
diff --git a/Alc/ALu.c b/Alc/ALu.c
index 49ebd0c2..547a00a4 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -287,12 +287,12 @@ ALvoid CalcNonAttnSourceParams(ALvoice *voice, const ALsource *ALSource, const A
ALfloat WetGain[MAX_SENDS];
ALfloat WetGainHF[MAX_SENDS];
ALfloat WetGainLF[MAX_SENDS];
- ALint NumSends, Frequency;
+ ALuint NumSends, Frequency;
const struct ChanMap *chans = NULL;
- ALint num_channels = 0;
+ ALuint num_channels = 0;
ALboolean DirectChannels;
ALfloat Pitch;
- ALint i, j, c;
+ ALuint i, j, c;
/* Get device properties */
NumSends = Device->NumAuxSends;
@@ -464,7 +464,7 @@ ALvoid CalcNonAttnSourceParams(ALvoice *voice, const ALsource *ALSource, const A
Target[chans[c].channel] = DryGain;
ok = true;
}
- else for(i = 0;i < (ALint)Device->NumSpeakers;i++)
+ else for(i = 0;i < Device->NumSpeakers;i++)
{
/* Attempt to match the input channel to an output based on its
* location. */
@@ -937,32 +937,21 @@ ALvoid CalcSourceParams(ALvoice *voice, const ALsource *ALSource, const ALCconte
else
{
MixGains *gains = voice->Direct.Mix.Gains[0];
+ ALfloat Target[MaxChannels];
/* Normalize the length, and compute panned gains. */
- if(!(Distance > FLT_EPSILON))
- {
- ALfloat gain = 1.0f / sqrtf((float)Device->NumSpeakers);
- for(j = 0;j < MaxChannels;j++)
- gains[j].Target = 0.0f;
- for(i = 0;i < (ALint)Device->NumSpeakers;i++)
- {
- enum Channel chan = Device->Speaker[i].ChanName;
- gains[chan].Target = gain;
- }
- }
- else
+ if(Distance > FLT_EPSILON)
{
ALfloat radius = ALSource->Radius;
- ALfloat Target[MaxChannels];
ALfloat invlen = 1.0f/maxf(Distance, radius);
Position[0] *= invlen;
Position[1] *= invlen;
Position[2] *= invlen;
-
- ComputeDirectionalGains(Device, Position, DryGain, Target);
- for(j = 0;j < MaxChannels;j++)
- gains[j].Target = Target[j];
}
+ ComputeDirectionalGains(Device, Position, DryGain, Target);
+
+ for(j = 0;j < MaxChannels;j++)
+ gains[j].Target = Target[j];
UpdateDryStepping(&voice->Direct, 1);
voice->IsHrtf = AL_FALSE;
diff --git a/Alc/effects/autowah.c b/Alc/effects/autowah.c
index 09474d56..f4aaf49f 100644
--- a/Alc/effects/autowah.c
+++ b/Alc/effects/autowah.c
@@ -31,8 +31,8 @@
/* Auto-wah is simply a low-pass filter with a cutoff frequency that shifts up
* or down depending on the input signal, and a resonant peak at the cutoff.
*
- * Currently, we assume a cutoff frequency range of 500hz (no amplitude) to
- * 3khz (peak gain). Peak gain is assumed to be in normalized scale.
+ * Currently, we assume a cutoff frequency range of 20hz (no amplitude) to
+ * 20khz (peak gain). Peak gain is assumed to be in normalized scale.
*/
typedef struct ALautowahState {
@@ -76,7 +76,7 @@ static ALvoid ALautowahState_update(ALautowahState *state, ALCdevice *device, co
state->PeakGain = slot->EffectProps.Autowah.PeakGain;
state->Resonance = slot->EffectProps.Autowah.Resonance;
- gain = sqrtf(1.0f / device->NumSpeakers) * slot->Gain;
+ gain = 1.0f/device->NumSpeakers * slot->Gain;
SetGains(device, gain, state->Gain);
}
diff --git a/Alc/effects/compressor.c b/Alc/effects/compressor.c
index 1c0054e7..9554a0f2 100644
--- a/Alc/effects/compressor.c
+++ b/Alc/effects/compressor.c
@@ -61,7 +61,7 @@ static ALvoid ALcompressorState_update(ALcompressorState *state, ALCdevice *Devi
state->Enabled = Slot->EffectProps.Compressor.OnOff;
- gain = sqrtf(1.0f / Device->NumSpeakers) * Slot->Gain;
+ gain = 1.0f/Device->NumSpeakers * Slot->Gain;
SetGains(Device, gain, state->Gain);
}
diff --git a/Alc/effects/distortion.c b/Alc/effects/distortion.c
index 04a05d99..9e36ea20 100644
--- a/Alc/effects/distortion.c
+++ b/Alc/effects/distortion.c
@@ -82,7 +82,7 @@ static ALvoid ALdistortionState_update(ALdistortionState *state, ALCdevice *Devi
ALfilterState_setParams(&state->bandpass, ALfilterType_BandPass, 1.0f,
cutoff / (frequency*4.0f), bandwidth);
- gain = sqrtf(1.0f / Device->NumSpeakers) * Slot->Gain;
+ gain = 1.0f/Device->NumSpeakers * Slot->Gain;
SetGains(Device, gain, state->Gain);
}
diff --git a/Alc/effects/equalizer.c b/Alc/effects/equalizer.c
index 5677426d..d04f36ee 100644
--- a/Alc/effects/equalizer.c
+++ b/Alc/effects/equalizer.c
@@ -93,7 +93,7 @@ static ALboolean ALequalizerState_deviceUpdate(ALequalizerState *UNUSED(state),
static ALvoid ALequalizerState_update(ALequalizerState *state, ALCdevice *device, const ALeffectslot *slot)
{
ALfloat frequency = (ALfloat)device->Frequency;
- ALfloat gain = sqrtf(1.0f / device->NumSpeakers) * slot->Gain;
+ ALfloat gain = 1.0f/device->NumSpeakers * slot->Gain;
SetGains(device, gain, state->Gain);
diff --git a/Alc/effects/modulator.c b/Alc/effects/modulator.c
index 0665ad6c..e57040b3 100644
--- a/Alc/effects/modulator.c
+++ b/Alc/effects/modulator.c
@@ -149,7 +149,7 @@ static ALvoid ALmodulatorState_update(ALmodulatorState *state, ALCdevice *Device
state->Filter.a[1] = -a;
state->Filter.a[2] = 0.0f;
- gain = sqrtf(1.0f/Device->NumSpeakers) * Slot->Gain;
+ gain = 1.0f/Device->NumSpeakers * Slot->Gain;
SetGains(Device, gain, state->Gain);
}
diff --git a/Alc/effects/reverb.c b/Alc/effects/reverb.c
index 8c17076a..45d25da7 100644
--- a/Alc/effects/reverb.c
+++ b/Alc/effects/reverb.c
@@ -1033,52 +1033,31 @@ static ALvoid Update3DPanning(const ALCdevice *Device, const ALfloat *Reflection
{
ALfloat earlyPan[3] = { ReflectionsPan[0], ReflectionsPan[1], ReflectionsPan[2] };
ALfloat latePan[3] = { LateReverbPan[0], LateReverbPan[1], LateReverbPan[2] };
- ALfloat earlyLen = 0.0f;
- ALfloat lateLen = 0.0f;
ALfloat length, invlen;
- ALfloat ambientGain;
- ALuint i;
-
- Gain *= ReverbBoost;
-
- /* Attenuate reverb according to its coverage (len=0 will give
- * ambientGain, and len>=1 will be fully panned using Gain). */
- ambientGain = minf(sqrtf(2.0f/Device->NumSpeakers), 1.0f) * Gain;
length = earlyPan[0]*earlyPan[0] + earlyPan[1]*earlyPan[1] + earlyPan[2]*earlyPan[2];
- if(length > FLT_EPSILON)
+ if(!(length > FLT_EPSILON))
+ earlyPan[0] = earlyPan[1] = earlyPan[2] = 0.0f;
+ else
{
- length = sqrtf(length);
-
- invlen = 1.0f / length;
+ invlen = 1.0f / sqrtf(length);
earlyPan[0] *= invlen;
earlyPan[1] *= invlen;
earlyPan[2] *= invlen;
-
- earlyLen = minf(1.0f, length);
- ComputeDirectionalGains(Device, earlyPan, Gain, State->Early.PanGain);
}
+ ComputeDirectionalGains(Device, earlyPan, Gain, State->Early.PanGain);
length = latePan[0]*latePan[0] + latePan[1]*latePan[1] + latePan[2]*latePan[2];
- if(length > FLT_EPSILON)
+ if(!(length > FLT_EPSILON))
+ latePan[0] = latePan[1] = latePan[2] = 0.0f;
+ else
{
- length = sqrtf(length);
-
- invlen = 1.0f / length;
+ invlen = 1.0f / sqrtf(length);
latePan[0] *= invlen;
latePan[1] *= invlen;
latePan[2] *= invlen;
-
- lateLen = minf(1.0f, length);
- ComputeDirectionalGains(Device, latePan, Gain, State->Late.PanGain);
- }
-
- for(i = 0;i < Device->NumSpeakers;i++)
- {
- enum Channel chan = Device->Speaker[i].ChanName;
- State->Early.PanGain[chan] = lerp(ambientGain, State->Early.PanGain[chan], earlyLen);
- State->Late.PanGain[chan] = lerp(ambientGain, State->Late.PanGain[chan], lateLen);
}
+ ComputeDirectionalGains(Device, latePan, Gain, State->Late.PanGain);
}
static ALvoid ALreverbState_update(ALreverbState *State, ALCdevice *Device, const ALeffectslot *Slot)
@@ -1163,12 +1142,13 @@ static ALvoid ALreverbState_update(ALreverbState *State, ALCdevice *Device, cons
// Update early and late 3D panning.
Update3DPanning(Device, Slot->EffectProps.Reverb.ReflectionsPan,
- Slot->EffectProps.Reverb.LateReverbPan, Slot->Gain, State);
+ Slot->EffectProps.Reverb.LateReverbPan,
+ Slot->Gain * ReverbBoost, State);
}
else
{
/* Update channel gains */
- ALfloat gain = sqrtf(2.0f/Device->NumSpeakers) * ReverbBoost * Slot->Gain;
+ ALfloat gain = 2.0f/Device->NumSpeakers * Slot->Gain * ReverbBoost;
SetGains(Device, gain, State->Gain);
}
}