diff options
Diffstat (limited to 'libavfilter/af_biquads.c')
| -rw-r--r-- | libavfilter/af_biquads.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavfilter/af_biquads.c b/libavfilter/af_biquads.c index ae5e1c6ade..86cd10df3b 100644 --- a/libavfilter/af_biquads.c +++ b/libavfilter/af_biquads.c @@ -63,6 +63,7 @@ */ #include "libavutil/avassert.h" +#include "libavutil/ffmath.h" #include "libavutil/opt.h" #include "audio.h" #include "avfilter.h" @@ -245,7 +246,7 @@ static int config_filter(AVFilterLink *outlink, int reset) AVFilterContext *ctx = outlink->src; BiquadsContext *s = ctx->priv; AVFilterLink *inlink = ctx->inputs[0]; - double A = exp(s->gain / 40 * log(10.)); + double A = ff_exp10(s->gain / 40); double w0 = 2 * M_PI * s->frequency / inlink->sample_rate; double alpha, beta; |