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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-05-27 01:33:12 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-06-04 02:03:33 +0200 |
| commit | 4fb4bf7289de2ceb58d1700f60b5c049f7907391 (patch) | |
| tree | 3009830d1a493b2431c08edee7c68764f31f46ca /libavcodec/lagarithrac.h | |
| parent | 625ffa145704458b4cf85ef558221b2e50628877 (diff) | |
| download | ffmpeg-4fb4bf7289de2ceb58d1700f60b5c049f7907391.tar.gz | |
avcodec/lagarithrac.h/lag_get_rac: drop apparently unneeded operations
Diffstat (limited to 'libavcodec/lagarithrac.h')
| -rw-r--r-- | libavcodec/lagarithrac.h | 5 |
1 files 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++; } |