Instead of rounding toward zero and thus producing
darker output.
Signed-off-by: Paul B Mahol <one...@gmail.com>
---
libavfilter/vf_nlmeans.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/vf_nlmeans.c b/libavfilter/vf_nlmeans.c
index dcb5a03953..06233b0dd4 100644
--- a/libavfilter/vf_nlmeans.c
+++ b/libavfilter/vf_nlmeans.c
@@ -419,7 +419,7 @@ static void weight_averages(uint8_t *dst, ptrdiff_t
dst_linesize,
// Also weight the centered pixel
wa[x].total_weight += 1.f;
wa[x].sum += 1.f * src[x];
- dst[x] = av_clip_uint8(wa[x].sum / wa[x].total_weight);
+ dst[x] = av_clip_uint8(wa[x].sum / wa[x].total_weight + 0.5f);
}
dst += dst_linesize;
src += src_linesize;
--
2.17.1
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