VP8: slightly faster loopfilter sharpness logic

(cherry picked from commit 8a2c99b4)

VP8: slightly faster loopfilter sharpness logic
(cherry picked from commit 8a2c99b4)
e9266a2b · Jason Garrett-Glaser · Michael Niedermayer · 9efa368f · e9266a2b
Commit e9266a2b authored Feb 04, 2011 by Jason Garrett-Glaser Committed by Michael Niedermayer Feb 06, 2011
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vp8.c libavcodec/vp8.c +1 -1

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--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -1487,7 +1487,7 @@ static av_always_inline void filter_level_for_mb(VP8Context *s, VP8Macroblock *m

    interior_limit = filter_level;
    if (s->filter.sharpness) {
-        interior_limit >>= s->filter.sharpness > 4 ? 2 : 1;
+        interior_limit >>= (s->filter.sharpness + 3) >> 2;
        interior_limit = FFMIN(interior_limit, 9 - s->filter.sharpness);
    }
    interior_limit = FFMAX(interior_limit, 1);