From 4fb4bf7289de2ceb58d1700f60b5c049f7907391 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 27 May 2014 01:33:12 +0200 Subject: [PATCH] avcodec/lagarithrac.h/lag_get_rac: drop apparently unneeded operations --- libavcodec/lagarithrac.h | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/libavcodec/lagarithrac.h b/libavcodec/lagarithrac.h index 9892d11fb3..ebc6bef22d 100644 --- a/libavcodec/lagarithrac.h +++ b/libavcodec/lagarithrac.h @@ -93,10 +93,9 @@ static inline uint8_t lag_get_rac(lag_rac *l) */ low_scaled = FASTDIV(l->low - (l->low >> 24), div); shift -= l->hash_shift; - shift &= 31; - low_scaled = (low_scaled << shift) | (low_scaled >> (32 - shift)); + low_scaled = (low_scaled >> (32 - shift)); /* low_scaled is now a lower bound of low/range_scaled */ - val = l->range_hash[(uint8_t) low_scaled]; + val = l->range_hash[low_scaled]; while (l->low >= range_scaled * l->prob[val + 1]) val++; }