diff options
| author | Chris Robinson <[email protected]> | 2017-02-22 18:07:41 -0800 |
|---|---|---|
| committer | Chris Robinson <[email protected]> | 2017-02-22 18:07:41 -0800 |
| commit | d04cc28f33c5a21273fc42c023b41dbcfa89632b (patch) | |
| tree | cbd5673166d0656cff03ed95d3deffe96c02be1a /Alc/effects/equalizer.c | |
| parent | 629980d15ee8f87c916cefee79bbb692e34a1266 (diff) | |
Limit filter gains to -24dB
Diffstat (limited to 'Alc/effects/equalizer.c')
| -rw-r--r-- | Alc/effects/equalizer.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Alc/effects/equalizer.c b/Alc/effects/equalizer.c index 13826a3b..36683d79 100644 --- a/Alc/effects/equalizer.c +++ b/Alc/effects/equalizer.c @@ -138,7 +138,7 @@ static ALvoid ALequalizerState_update(ALequalizerState *state, const ALCdevice * * filters' gain is for the reference frequency, which is the centerpoint * of the transition band. */ - gain = sqrtf(props->Equalizer.LowGain); + gain = maxf(sqrtf(props->Equalizer.LowGain), 0.0625f); /* Limit -24dB */ freq_mult = props->Equalizer.LowCutoff/frequency; ALfilterState_setParams(&state->filter[0][0], ALfilterType_LowShelf, gain, freq_mult, calc_rcpQ_from_slope(gain, 0.75f) @@ -153,7 +153,7 @@ static ALvoid ALequalizerState_update(ALequalizerState *state, const ALCdevice * state->filter[0][i].a2 = state->filter[0][0].a2; } - gain = props->Equalizer.Mid1Gain; + gain = maxf(props->Equalizer.Mid1Gain, 0.0625f); freq_mult = props->Equalizer.Mid1Center/frequency; ALfilterState_setParams(&state->filter[1][0], ALfilterType_Peaking, gain, freq_mult, calc_rcpQ_from_bandwidth( @@ -169,7 +169,7 @@ static ALvoid ALequalizerState_update(ALequalizerState *state, const ALCdevice * state->filter[1][i].a2 = state->filter[1][0].a2; } - gain = props->Equalizer.Mid2Gain; + gain = maxf(props->Equalizer.Mid2Gain, 0.0625f); freq_mult = props->Equalizer.Mid2Center/frequency; ALfilterState_setParams(&state->filter[2][0], ALfilterType_Peaking, gain, freq_mult, calc_rcpQ_from_bandwidth( @@ -185,7 +185,7 @@ static ALvoid ALequalizerState_update(ALequalizerState *state, const ALCdevice * state->filter[2][i].a2 = state->filter[2][0].a2; } - gain = sqrtf(props->Equalizer.HighGain); + gain = maxf(sqrtf(props->Equalizer.HighGain), 0.0625f); freq_mult = props->Equalizer.HighCutoff/frequency; ALfilterState_setParams(&state->filter[3][0], ALfilterType_HighShelf, gain, freq_mult, calc_rcpQ_from_slope(gain, 0.75f) |