[FFmpeg-devel] [PATCH 1/9] avfilter/vsrc_mptestsrc: use lrint instead of floor hack

Ganesh Ajjanagadde gajjanagadde at gmail.com
Wed Dec 2 01:27:50 CET 2015


lrint is faster, and is more consistent across the codebase.

Signed-off-by: Ganesh Ajjanagadde <gajjanagadde at gmail.com>
---
 libavfilter/vsrc_mptestsrc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/vsrc_mptestsrc.c b/libavfilter/vsrc_mptestsrc.c
index 668a001..1cdd3a4 100644
--- a/libavfilter/vsrc_mptestsrc.c
+++ b/libavfilter/vsrc_mptestsrc.c
@@ -121,7 +121,7 @@ static void idct(uint8_t *dst, int dst_linesize, int src[64])
             for (k = 0; k < 8; k++)
                 sum += c[k*8+i]*tmp[8*k+j];
 
-            dst[dst_linesize*i + j] = av_clip_uint8((int)floor(sum+0.5));
+            dst[dst_linesize*i + j] = av_clip_uint8(lrint(sum));
         }
     }
 }
-- 
2.6.2



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