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a-comp: Fix peak level on both stereo and mono plugins

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This commit is contained in:
Damien Zammit 2016-07-05 15:07:06 +10:00
parent fef79d46bb
commit bf7c4c7d60
1 changed files with 8 additions and 6 deletions
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14
libs/plugins/a-comp.lv2/a-comp.c
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@ -308,9 +308,9 @@ run_mono(LV2_Handle instance, uint32_t n_samples)
for (i = 0; i < n_samples; i++) {
in0 = input[i];
sc0 = sc[i];
ingain = usesidechain ? sc0 : in0;
ingain = usesidechain ? fabs(sc0) : fabs(in0);
Lyg = 0.f;
Lxg = (ingain==0.f) ? -160.f : to_dB(fabs(ingain));
Lxg = (ingain==0.f) ? -160.f : to_dB(ingain);
Lxg = sanitize_denormal(Lxg);
Lyg = Lxg + (1.f/ratio-1.f)*(Lxg-thresdb+width/2.f)*(Lxg-thresdb+width/2.f)/(2.f*width);
@ -336,8 +336,8 @@ run_mono(LV2_Handle instance, uint32_t n_samples)
*(acomp->gainr) = Lyl;
if (in0 > in_peak) {
in_peak = in0;
if (ingain > in_peak) {
in_peak = ingain;
}
lgaininp = in0 * Lgain;
output[i] = lgaininp * from_dB(*(acomp->makeup));
@ -398,6 +398,7 @@ run_stereo(LV2_Handle instance, uint32_t n_samples)
float in0;
float in1;
float sc0;
float maxabslr;
float ratio = *(acomp->ratio);
float thresdb = *(acomp->thresdb);
@ -424,7 +425,8 @@ run_stereo(LV2_Handle instance, uint32_t n_samples)
in0 = input0[i];
in1 = input1[i];
sc0 = sc[i];
ingain = usesidechain ? fabs(sc0) : fmaxf(fabs(in0), fabs(in1));
maxabslr = fmaxf(fabs(in0), fabs(in1));
ingain = usesidechain ? fabs(sc0) : maxabslr;
Lyg = 0.f;
Lxg = (ingain==0.f) ? -160.f : to_dB(ingain);
Lxg = sanitize_denormal(Lxg);
@ -460,7 +462,7 @@ run_stereo(LV2_Handle instance, uint32_t n_samples)
output0[i] = lgaininp * from_dB(*(acomp->makeup));
output1[i] = rgaininp * from_dB(*(acomp->makeup));
max = (fmaxf(fabsf(output0[i]), fabsf(output1[i])) > max) ? fmaxf(fabsf(output0[i]), fabsf(output1[i])) : sanitize_denormal(max);
max = (fmaxf(fabs(output0[i]), fabs(output1[i])) > max) ? fmaxf(fabs(output0[i]), fabs(output1[i])) : sanitize_denormal(max);
// TODO re-use local variables on stack
// store values back to acomp at the end of the inner-loop