X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavcodec%2Fopus_celt.c;h=61a9dc61d334dfc0f764fbbb6b0a7f779a7addc0;hb=5dc37a5d8abd18755c5a2cae0840c32579ec299c;hp=474452f29341eb79e1cb35778197f5f85b708356;hpb=a240aefc7a2591f7b307e2910df655801ae6ca44;p=ffmpeg

diff --git a/libavcodec/opus_celt.c b/libavcodec/opus_celt.c
index 474452f2934..61a9dc61d33 100644
--- a/libavcodec/opus_celt.c
+++ b/libavcodec/opus_celt.c
@@ -27,6 +27,7 @@
 #include <stdint.h>
 
 #include "libavutil/float_dsp.h"
+#include "libavutil/libm.h"
 
 #include "imdct15.h"
 #include "opus.h"
@@ -1839,7 +1840,7 @@ static void process_anticollapse(CeltContext *s, CeltFrame *frame, float *X)
 
         /* depth in 1/8 bits */
         depth = (1 + s->pulses[i]) / (celt_freq_range[i] << s->duration);
-        thresh = pow(2, -1.0 - 0.125f * depth);
+        thresh = exp2f(-1.0 - 0.125f * depth);
         sqrt_1 = 1.0f / sqrtf(celt_freq_range[i] << s->duration);
 
         xptr = X + (celt_freq_bands[i] << s->duration);