fg->graph->scale_sws_opts = av_strdup(args);
args[0] = 0;
+ if (ost->swr_filter_type != SWR_FILTER_TYPE_KAISER)
+ av_strlcatf(args, sizeof(args), "filter_type=%d:", (int)ost->swr_filter_type);
if (ost->swr_dither_method)
av_strlcatf(args, sizeof(args), "dither_method=%d:", (int)ost->swr_dither_method);
if (ost->swr_dither_scale != 1.0)