13 lines
377 B
Diff
13 lines
377 B
Diff
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--- a/src/effects_i_dsp.c
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+++ b/src/effects_i_dsp.c
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@@ -362,6 +362,9 @@
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assert(Fc >= 0 && Fc <= 1);
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lsx_debug("make_lpf(n=%i Fc=%.7g β=%g ρ=%g dc-norm=%i scale=%g)", num_taps, Fc, beta, rho, dc_norm, scale);
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+ if (!h)
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+ return NULL;
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+
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for (i = 0; i <= m / 2; ++i) {
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double z = i - .5 * m, x = z * M_PI, y = z * mult1;
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h[i] = x? sin(Fc * x) / x : Fc;
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