[FFmpeg-devel] [PATCH] avfilter/vf_guided: add null pointer check of ref_frame and main_frame

[Steven Liu]

fix CID: 1484785
check ref_frame and main_frame before use them

Signed-off-by: Steven Liu <liuqi05 at kuaishou.com>
---
 libavfilter/vf_guided.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavfilter/vf_guided.c b/libavfilter/vf_guided.c
index e7c689e7be..0868b9cd4f 100644
--- a/libavfilter/vf_guided.c
+++ b/libavfilter/vf_guided.c
@@ -334,7 +334,7 @@ static int process_frame(FFFrameSync *fs)
     }
     av_frame_copy_props(out_frame, main_frame);
 
-    if (ctx->is_disabled || !ref_frame) {
+    if ((ctx->is_disabled || !ref_frame) && ref_frame && main_frame) {
         av_frame_copy_props(ref_frame, main_frame);
     }
 
-- 
2.25.0