lavfi/cellauto: raise filter_frame() error.

diff --git a/libavfilter/vsrc_cellauto.c b/libavfilter/vsrc_cellauto.c
index cadd9fd..c783efd 100644 (file)
--- a/libavfilter/vsrc_cellauto.c
+++ b/libavfilter/vsrc_cellauto.c
@@ -318,9 +318,7 @@ static int request_frame(AVFilterLink *outlink)
 #ifdef DEBUG
     show_cellauto_row(outlink->src);
 #endif
-    ff_filter_frame(outlink, picref);
-
-    return 0;
+    return ff_filter_frame(outlink, picref);
 }
 
 static int query_formats(AVFilterContext *ctx)