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g723.1: replace loop of normalize_bits( by av_log2()

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idea by vitor
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2011-09-29 21:39:08 +02:00
parent 6e505547f1
commit 431f8af824
1 changed files with 2 additions and 2 deletions
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4
libavcodec/g723_1.c
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@@ -216,8 +216,8 @@ static int normalize_bits(int num, int width)
return bits; return bits;
if (num < 0) if (num < 0)
num = ~num; num = ~num;
for (i = 0; num < limit; i++) i= bits - av_log2(num) - 1;
num <<= 1; i= FFMAX(i, 0);
} }
return i; return i;
} }