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-rw-r--r--libavfilter/vf_gradfun.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavfilter/vf_gradfun.c b/libavfilter/vf_gradfun.c
index 05412cffcc..ca7ef69144 100644
--- a/libavfilter/vf_gradfun.c
+++ b/libavfilter/vf_gradfun.c
@@ -193,6 +193,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in)
direct = 1;
out = in;
} else {
+ direct = 0;
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!out) {
av_frame_free(&in);