Invalid, sigma can be 0.
On 1/4/20, quinkbl...@foxmail.com <quinkbl...@foxmail.com> wrote:
> From: Zhao Zhili <zhiliz...@tencent.com>
>
> ---
> libavfilter/vf_gblur.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/libavfilter/vf_gblur.c b/libavfilter/vf_gblur.c
> index e057937fb7..0d7d5438d1 100644
> --- a/libavfilter/vf_gblur.c
> +++ b/libavfilter/vf_gblur.c
> @@ -189,9 +189,6 @@ static void gaussianiir2d(AVFilterContext *ctx, int
> plane)
> const int nb_threads = ff_filter_get_nb_threads(ctx);
> ThreadData td;
>
> - if (s->sigma <= 0 || s->steps < 0)
> - return;
> -
> td.width = width;
> td.height = height;
> ctx->internal->execute(ctx, filter_horizontally, &td, NULL,
> FFMIN(height, nb_threads));
> @@ -301,7 +298,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame
> *in)
> uint16_t *dst16 = (uint16_t *)out->data[plane];
> int y, x;
>
> - if (!s->sigma || !(s->planes & (1 << plane))) {
> + if (!(s->planes & (1 << plane))) {
> if (out != in)
> av_image_copy_plane(out->data[plane], out->linesize[plane],
> in->data[plane], in->linesize[plane],
> --
> 2.22.0
>
>
>
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