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avfilter/af_crossfeed: Use ff_exp10()

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Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2018-12-31 21:08:06 +01:00
parent 796807022c
commit 5785e0e9c4
1 changed files with 2 additions and 1 deletions
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libavfilter/af_crossfeed.c
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@ -17,6 +17,7 @@
*/ */
#include "libavutil/channel_layout.h" #include "libavutil/channel_layout.h"
#include "libavutil/ffmath.h"
#include "libavutil/opt.h" #include "libavutil/opt.h"
#include "avfilter.h" #include "avfilter.h"
#include "audio.h" #include "audio.h"
@ -57,7 +58,7 @@ static int config_input(AVFilterLink *inlink)
{ {
AVFilterContext *ctx = inlink->dst; AVFilterContext *ctx = inlink->dst;
CrossfeedContext *s = ctx->priv; 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 w0 = 2 * M_PI * (1. - s->range) * 2100 / inlink->sample_rate;
double alpha; double alpha;