avfilter/af_crossfeed: Use ff_exp10()
authorMichael Niedermayer <michael@niedermayer.cc>
Mon, 31 Dec 2018 20:08:06 +0000 (21:08 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Tue, 1 Jan 2019 20:11:47 +0000 (21:11 +0100)
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavfilter/af_crossfeed.c

index a0af280..beee679 100644 (file)
@@ -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;