@@ -314,7 +314,7 @@ static int request_frame(AVFilterLink *link)

     AVFilterContext *ctx = link->src;

     IDETContext *idet = ctx->priv;

-    do {

+    // TODO reindent

         int ret;

         if (idet->eof)

@@ -328,14 +328,11 @@ static int request_frame(AVFilterLink *link)

             if (!next)

                 return AVERROR(ENOMEM);

-            filter_frame(link->src->inputs[0], next);

+            ret = filter_frame(link->src->inputs[0], next);

             idet->eof = 1;

-        } else if (ret < 0) {

-            return ret;

         }

-    } while (link->frame_requested);

-    return 0;

+    return ret;

 }

 static av_cold void uninit(AVFilterContext *ctx)