ffmpeg | branch: master | Paul B Mahol <[email protected]> | Tue Oct 15 17:59:43 
2019 +0200| [f2598484b8301d8836ec34c45a9003d99c2bd606] | committer: Paul B Mahol

avfilter/vf_bm3d: make sure nb_jobs is at least 1

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f2598484b8301d8836ec34c45a9003d99c2bd606
---

 libavfilter/vf_bm3d.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/vf_bm3d.c b/libavfilter/vf_bm3d.c
index 3196b63884..a602283e38 100644
--- a/libavfilter/vf_bm3d.c
+++ b/libavfilter/vf_bm3d.c
@@ -748,7 +748,7 @@ static int filter_frame(AVFilterContext *ctx, AVFrame 
**out, AVFrame *in, AVFram
     av_frame_copy_props(*out, in);
 
     for (p = 0; p < s->nb_planes; p++) {
-        const int nb_jobs = FFMIN(s->nb_threads, s->planeheight[p] / 
s->block_size);
+        const int nb_jobs = FFMAX(1, FFMIN(s->nb_threads, s->planeheight[p] / 
s->block_size));
         ThreadData td;
 
         if (!((1 << p) & s->planes) || ctx->is_disabled) {

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