diff options
| -rw-r--r-- | libavfilter/af_anlmdn.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavfilter/af_anlmdn.c b/libavfilter/af_anlmdn.c index 62931e37cc..a6422c1748 100644 --- a/libavfilter/af_anlmdn.c +++ b/libavfilter/af_anlmdn.c @@ -168,7 +168,10 @@ static int filter_channel(AVFilterContext *ctx, void *arg, int ch, int nb_jobs) float w; av_assert0(distance >= 0.f); - w = expf(-distance * sw); + w = -distance * sw; + if (w < -11.f) + continue; + w = expf(w); P += w * f[i - S + j + (j >= S)]; Q += w; } |