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authorChris Robinson <[email protected]>2018-01-13 09:14:46 -0800
committerChris Robinson <[email protected]>2018-01-13 09:14:46 -0800
commit78cb70a5f9f2782e1335aea03168ffee2fea0122 (patch)
tree7bb585fdfb3fd0a4c310d50c45de1b4092400535 /Alc/effects/equalizer.c
parent16e4e0fa7c97d8b7273e590adc9432f317f93d57 (diff)
Replace some freq_mult variable names with f0norm
The latter is a bit more descriptive as f0 is often used to denote the reference frequency of a filter, so f0norm indicates the normalized reference frequency (ref_freq / sample_rate).
Diffstat (limited to 'Alc/effects/equalizer.c')
-rw-r--r--Alc/effects/equalizer.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/Alc/effects/equalizer.c b/Alc/effects/equalizer.c
index 7df15380..bc84f87f 100644
--- a/Alc/effects/equalizer.c
+++ b/Alc/effects/equalizer.c
@@ -125,7 +125,7 @@ static ALvoid ALequalizerState_update(ALequalizerState *state, const ALCcontext
{
const ALCdevice *device = context->Device;
ALfloat frequency = (ALfloat)device->Frequency;
- ALfloat gain, freq_mult;
+ ALfloat gain, f0norm;
ALuint i;
STATIC_CAST(ALeffectState,state)->OutBuffer = device->FOAOut.Buffer;
@@ -139,31 +139,31 @@ static ALvoid ALequalizerState_update(ALequalizerState *state, const ALCcontext
* of the transition band.
*/
gain = maxf(sqrtf(props->Equalizer.LowGain), 0.0625f); /* Limit -24dB */
- freq_mult = props->Equalizer.LowCutoff/frequency;
+ f0norm = props->Equalizer.LowCutoff/frequency;
ALfilterState_setParams(&state->Chans[0].filter[0], ALfilterType_LowShelf,
- gain, freq_mult, calc_rcpQ_from_slope(gain, 0.75f)
+ gain, f0norm, calc_rcpQ_from_slope(gain, 0.75f)
);
gain = maxf(props->Equalizer.Mid1Gain, 0.0625f);
- freq_mult = props->Equalizer.Mid1Center/frequency;
+ f0norm = props->Equalizer.Mid1Center/frequency;
ALfilterState_setParams(&state->Chans[0].filter[1], ALfilterType_Peaking,
- gain, freq_mult, calc_rcpQ_from_bandwidth(
- freq_mult, props->Equalizer.Mid1Width
+ gain, f0norm, calc_rcpQ_from_bandwidth(
+ f0norm, props->Equalizer.Mid1Width
)
);
gain = maxf(props->Equalizer.Mid2Gain, 0.0625f);
- freq_mult = props->Equalizer.Mid2Center/frequency;
+ f0norm = props->Equalizer.Mid2Center/frequency;
ALfilterState_setParams(&state->Chans[0].filter[2], ALfilterType_Peaking,
- gain, freq_mult, calc_rcpQ_from_bandwidth(
- freq_mult, props->Equalizer.Mid2Width
+ gain, f0norm, calc_rcpQ_from_bandwidth(
+ f0norm, props->Equalizer.Mid2Width
)
);
gain = maxf(sqrtf(props->Equalizer.HighGain), 0.0625f);
- freq_mult = props->Equalizer.HighCutoff/frequency;
+ f0norm = props->Equalizer.HighCutoff/frequency;
ALfilterState_setParams(&state->Chans[0].filter[3], ALfilterType_HighShelf,
- gain, freq_mult, calc_rcpQ_from_slope(gain, 0.75f)
+ gain, f0norm, calc_rcpQ_from_slope(gain, 0.75f)
);
/* Copy the filter coefficients for the other input channels. */