Commit 2f37321a authored by Justin Ruggles's avatar Justin Ruggles
Browse files

iirfilter: fix biquad filter coefficients.

The current filter implementation should only have the cx coefficients
divided by gain in order to give the correct output scale.
parent edeb56fa
......@@ -151,8 +151,6 @@ static int biquad_init_coeffs(void *avc, struct FFIIRFilterCoeffs *c,
// during filtering, the delay state will include the gain multiplication
c->cx[0] = lrintf(x0 / c->gain);
c->cx[1] = lrintf(x1 / c->gain);
c->cy[0] /= c->gain;
c->cy[1] /= c->gain;
return 0;
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