Message ID | 20191020195416.29732-1-onemda@gmail.com |
---|---|
State | Accepted |
Commit | a174e5f8da77d17dc16227f94eb14db7fd0365a4 |
Headers | show |
On Sun, Oct 20, 2019 at 09:54:16PM +0200, Paul B Mahol wrote: > Instead of rounding toward zero and thus producing > darker output. > > Signed-off-by: Paul B Mahol <onemda@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; LGTM
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;
Instead of rounding toward zero and thus producing darker output. Signed-off-by: Paul B Mahol <onemda@gmail.com> --- libavfilter/vf_nlmeans.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)