[FFmpeg-cvslog] avfilter/af_crossfeed: Use ff_exp10()

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Mon Dec 31 21:08:06 2018 +0100| [5785e0e9c401e3bb2c5af5096209ba560c9a2c0e] | committer: Michael Niedermayer

avfilter/af_crossfeed: Use ff_exp10()

Reviewed-by: Paul B Mahol <onemda at gmail.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=5785e0e9c401e3bb2c5af5096209ba560c9a2c0e
---

 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;