1 files changed, 8 insertions, 0 deletions
diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index 7362bcdab5..1f37a70179 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -1559,6 +1559,14 @@ int ff_outlink_get_status(AVFilterLink *link)
     return link->status_in;
 }
 
+int ff_inoutlink_check_flow(AVFilterLink *inlink, AVFilterLink *outlink)
+{
+    return ff_outlink_frame_wanted(outlink) ||
+           ff_inlink_check_available_frame(inlink) ||
+           inlink->status_out;
+}
+
+
 const AVClass *avfilter_get_class(void)
 {
     return &avfilter_class;