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authorGanesh Ajjanagadde <gajjanagadde@gmail.com>2015-10-29 00:10:45 -0400
committerGanesh Ajjanagadde <gajjanagadde@gmail.com>2015-10-29 18:46:00 -0400
commit603d62745710220f9ecd97f4d0cc6831394ebcd3 (patch)
treeeb8797a12553e876b14c7754b0680ba134f643a6 /libavcodec/zmbvenc.c
parent68ba63ebd5fa4e42423def1d8b0d38b5b8593e7f (diff)
downloadffmpeg-603d62745710220f9ecd97f4d0cc6831394ebcd3.tar.gz
avcodec/zmbvenc: use log2 instead of log()/M_LN2
This is likely more precise and conveys the intent better. Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
Diffstat (limited to 'libavcodec/zmbvenc.c')
-rw-r--r--libavcodec/zmbvenc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/zmbvenc.c b/libavcodec/zmbvenc.c
index df06e37cb2..e832bedbb2 100644
--- a/libavcodec/zmbvenc.c
+++ b/libavcodec/zmbvenc.c
@@ -277,7 +277,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
int lvl = 9;
for(i=1; i<256; i++)
- score_tab[i]= -i * log(i/(double)(ZMBV_BLOCK*ZMBV_BLOCK)) * (256/M_LN2);
+ score_tab[i]= -i * log2(i/(double)(ZMBV_BLOCK*ZMBV_BLOCK)) * 256;
c->avctx = avctx;