avfilter/f_ebur128: check if frame clone is set

diff --git a/libavfilter/f_ebur128.c b/libavfilter/f_ebur128.c
index f25d5f096e50de42a066d84e45ec9c1008ef1c1a..31b75ab097effda9de8d3a09ae1c342e68d57b82 100644 (file)
--- a/libavfilter/f_ebur128.c
+++ b/libavfilter/f_ebur128.c
@@ -774,6 +774,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
 
             /* push one video frame */
             if (ebur128->do_video) {
+                AVFrame *clone;
                 int x, y, ret;
                 uint8_t *p;
                 double gauge_value;
@@ -823,7 +824,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *insamples)
 
                 /* set pts and push frame */
                 pic->pts = pts;
-                ret = ff_filter_frame(outlink, av_frame_clone(pic));
+                clone = av_frame_clone(pic);
+                if (!clone)
+                    return AVERROR(ENOMEM);
+                ret = ff_filter_frame(outlink, clone);
                 if (ret < 0)
                     return ret;
             }