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ra144: factor division out

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer 2012-09-23 18:30:41 +02:00
parent 7200fecd9b
commit 127b70e423
1 changed files with 2 additions and 1 deletions
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libavcodec/ra144.c
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@ -1566,8 +1566,9 @@ int ff_eval_refl(int *refl, const int16_t *coefs, AVCodecContext *avctx)
if (!b) if (!b)
b = -2; b = -2;
b = 0x1000000 / b;
for (j=0; j <= i; j++) for (j=0; j <= i; j++)
bp1[j] = ((bp2[j] - ((refl[i+1] * bp2[i-j]) >> 12)) * (0x1000000 / b)) >> 12; bp1[j] = ((bp2[j] - ((refl[i+1] * bp2[i-j]) >> 12)) * b) >> 12;
if ((unsigned) bp1[i] + 0x1000 > 0x1fff) if ((unsigned) bp1[i] + 0x1000 > 0x1fff)
return 1; return 1;