From: Michael Niedermayer <michaelni@gmx.at>
Date: Fri, 16 May 2008 21:28:55 +0000 (+0000)
Subject: Avoid using log2() freebsd does not support it.
X-Git-Tag: v0.5~4747
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ee83232aa9c28eec951aa09a8fa8ca6eae668c46;p=platform%2Fupstream%2Flibav.git

Avoid using log2() freebsd does not support it.

Originally committed as revision 13184 to svn://svn.ffmpeg.org/ffmpeg/trunk
---

diff --git a/libavcodec/zmbvenc.c b/libavcodec/zmbvenc.c
index f51688e..a12c014 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;