@@ -273,13 +273,9 @@ static int query_formats(AVFilterGraph *graph, AVClass *log_ctx)

                     snprintf(inst_name, sizeof(inst_name), "auto-inserted scaler %d",

                              scaler_count++);

-                    av_strlcpy(scale_args, "0:0", sizeof(scale_args));

-                    if (graph->scale_sws_opts) {

-                        av_strlcat(scale_args, ":", sizeof(scale_args));

-                        av_strlcat(scale_args, graph->scale_sws_opts, sizeof(scale_args));

-                    }

+

                     if ((ret = avfilter_graph_create_filter(&convert, filter,

-                                                            inst_name, scale_args, NULL,

+                                                            inst_name, graph->scale_sws_opts, NULL,

                                                             graph)) < 0)

                         return ret;

                     break;