Signed-off-by: Wu Jianhua <[email protected]>
---
libavfilter/vf_blend.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/libavfilter/vf_blend.c b/libavfilter/vf_blend.c
index b6f3c4fed3..2d433e439f 100644
--- a/libavfilter/vf_blend.c
+++ b/libavfilter/vf_blend.c
@@ -279,7 +279,11 @@ static AVFrame *blend_frame(AVFilterContext *ctx, AVFrame
*top_buf,
dst_buf = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!dst_buf)
return top_buf;
- av_frame_copy_props(dst_buf, top_buf);
+
+ if (av_frame_copy_props(dst_buf, top_buf) < 0) {
+ av_frame_free(&dst_buf);
+ return top_buf;
+ }
for (plane = 0; plane < s->nb_planes; plane++) {
int hsub = plane == 1 || plane == 2 ? s->hsub : 0;
--
2.25.1
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