[FFmpeg-devel] [PATCH] VP8: slightly faster loopfilter sharpness logic

Jason Garrett-Glaser jason
Fri Feb 4 08:37:58 CET 2011


---
 libavcodec/vp8.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index dce090f..c714f0e 100644
--- 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);
-- 
1.7.3.2.451.g1c2ab.dirty




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