[FFmpeg-cvslog] avfilter/vf_gblur: allow filtering with zero horizontal sigma

[Paul B Mahol]

ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | Sat Sep 10 22:06:16 2022 +0200| [09cce812453f989a0537c62b6db1020ea266553d] | committer: Paul B Mahol

avfilter/vf_gblur: allow filtering with zero horizontal sigma

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=09cce812453f989a0537c62b6db1020ea266553d
---

 libavfilter/vf_gblur.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavfilter/vf_gblur.c b/libavfilter/vf_gblur.c
index bb4c342116..ca1dcb3dab 100644
--- a/libavfilter/vf_gblur.c
+++ b/libavfilter/vf_gblur.c
@@ -125,7 +125,7 @@ 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)
+    if (s->sigma < 0 || s->steps < 0)
         return;
 
     td.width = width;
@@ -247,7 +247,7 @@ 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],