Avoid using log2() freebsd does not support it.
Originally committed as revision 13184 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -246,7 +246,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
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int lvl = 9;
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int lvl = 9;
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for(i=1; i<256; i++)
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for(i=1; i<256; i++)
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score_tab[i]= -i * log2(i/(double)(ZMBV_BLOCK*ZMBV_BLOCK)) * 256;
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score_tab[i]= -i * log(i/(double)(ZMBV_BLOCK*ZMBV_BLOCK)) * (256/M_LN2);
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c->avctx = avctx;
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c->avctx = avctx;
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