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avfilter/vf_nlmeans: round values toward nearest integer

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Instead of rounding toward zero and thus producing
darker output.
This commit is contained in:
Paul B Mahol 2019-10-20 21:53:11 +02:00
parent 0afc1fe147
commit a174e5f8da
1 changed files with 1 additions and 1 deletions
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2
libavfilter/vf_nlmeans.c
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@ -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;