X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavfilter%2Fvf_idet.c;h=9a25042a8954faba759bb7925e25370fa3b183e6;hb=0c7733904e54472fa5bea04b4a7c35ff6fea9890;hp=ed21eea4678b20e32a3cb3b7424e5d086824bf44;hpb=ba1a19bc35e4a6b9dc421feb92e3f15fa16adb8b;p=ffmpeg

diff --git a/libavfilter/vf_idet.c b/libavfilter/vf_idet.c
index ed21eea4678..9a25042a895 100644
--- a/libavfilter/vf_idet.c
+++ b/libavfilter/vf_idet.c
@@ -241,11 +241,12 @@ static int filter_frame(AVFilterLink *link, AVFrame *picref)
     idet->cur  = idet->next;
     idet->next = picref;
 
-    if (!idet->cur)
-        return 0;
+    if (!idet->cur &&
+        !(idet->cur = av_frame_clone(idet->next)))
+        return AVERROR(ENOMEM);
 
     if (!idet->prev)
-        idet->prev = av_frame_clone(idet->cur);
+        return 0;
 
     if (!idet->csp)
         idet->csp = av_pix_fmt_desc_get(link->format);
@@ -284,7 +285,7 @@ static int request_frame(AVFilterLink *link)
         } else if (ret < 0) {
             return ret;
         }
-    } while (!idet->cur);
+    } while (!idet->prev);
 
     return 0;
 }