Signed-off-by: Michael Niedermayer <[email protected]>
---
libavfilter/af_crossfeed.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavfilter/af_crossfeed.c b/libavfilter/af_crossfeed.c
index a0af280432..beee67964d 100644
--- a/libavfilter/af_crossfeed.c
+++ b/libavfilter/af_crossfeed.c
@@ -17,6 +17,7 @@
*/
#include "libavutil/channel_layout.h"
+#include "libavutil/ffmath.h"
#include "libavutil/opt.h"
#include "avfilter.h"
#include "audio.h"
@@ -57,7 +58,7 @@ static int config_input(AVFilterLink *inlink)
{
AVFilterContext *ctx = inlink->dst;
CrossfeedContext *s = ctx->priv;
- double A = exp(s->strength * -30 / 40 * log(10.));
+ double A = ff_exp10(s->strength * -30 / 40);
double w0 = 2 * M_PI * (1. - s->range) * 2100 / inlink->sample_rate;
double alpha;
--
2.20.1
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