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Change a / 256 into a >> 8.

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Originally committed as revision 23718 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ronald S. Bultje 2010-06-22 19:19:13 +00:00
parent a815602aa3
commit c6ef6e14cf
1 changed files with 1 additions and 1 deletions
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libavcodec/vp56.h
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@ -192,7 +192,7 @@ static inline void vp56_init_range_decoder(VP56RangeCoder *c,
static inline int vp56_rac_get_prob(VP56RangeCoder *c, uint8_t prob) static inline int vp56_rac_get_prob(VP56RangeCoder *c, uint8_t prob)
{ {
unsigned int low = 1 + (((c->high - 1) * prob) / 256); unsigned int low = 1 + (((c->high - 1) * prob) >> 8);
unsigned int low_shift = low << 8; unsigned int low_shift = low << 8;
int bit = c->code_word >= low_shift; int bit = c->code_word >= low_shift;