+
+ 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)
+ av_strlcatf(args, sizeof(args), "dither_scale=%f:", ost->swr_dither_scale);
+ if (strlen(args))
+ args[strlen(args)-1] = 0;
+ av_opt_set(fg->graph, "aresample_swr_opts", args, 0);