пн, 24 мая 2021 г., 6:42 Valerii Zapodovnikov <val.zapod...@gmail.com>:
> ---
> libavfilter/vf_hqdn3d.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavfilter/vf_hqdn3d.c b/libavfilter/vf_hqdn3d.c
> index 8d71ae316d..bd3eb2d01c 100644
> --- a/libavfilter/vf_hqdn3d.c
> +++ b/libavfilter/vf_hqdn3d.c
> @@ -179,7 +179,7 @@ static void precalc_coefs(double dist25, int depth,
> int16_t *ct)
>
> gamma = log(0.25) / log(1.0 - FFMIN(dist25,252.0)/255.0 - 0.00001);
>
> - for (i = -256<<LUT_BITS; i < 256<<LUT_BITS; i++) {
> + for (i = -(256<<LUT_BITS); i < 256<<LUT_BITS; i++) {
> double f = ((i<<(9-LUT_BITS)) + (1<<(8-LUT_BITS)) - 1) / 512.0;
> // midpoint of the bin
> simil = FFMAX(0, 1.0 - fabs(f) / 255.0);
> C = pow(simil, gamma) * 256.0 * f;
> --
> 2.30.2
>
Ping.
>
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