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-rw-r--r--libavcodec/zmbvenc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/zmbvenc.c b/libavcodec/zmbvenc.c
index f51688eea8..a12c014b9b 100644
--- a/libavcodec/zmbvenc.c
+++ b/libavcodec/zmbvenc.c
@@ -246,7 +246,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
int lvl = 9;
for(i=1; i<256; i++)
- score_tab[i]= -i * log2(i/(double)(ZMBV_BLOCK*ZMBV_BLOCK)) * 256;
+ score_tab[i]= -i * log(i/(double)(ZMBV_BLOCK*ZMBV_BLOCK)) * (256/M_LN2);
c->avctx = avctx;