@@ -37,6 +37,7 @@

 static const AVOption options[]={

 {"scale_sws_opts"       , "default scale filter options"        , OFFSET(scale_sws_opts)        ,  AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, 0 },

+{"aresample_swr_opts"   , "default aresample filter options"    , OFFSET(aresample_swr_opts)    ,  AV_OPT_TYPE_STRING, {.str = NULL}, 0, 0, 0 },

 {0}

 };

@@ -66,6 +67,7 @@ void avfilter_graph_free(AVFilterGraph **graph)

         avfilter_free((*graph)->filters[(*graph)->filter_count - 1]);

     av_freep(&(*graph)->sink_links);

     av_freep(&(*graph)->scale_sws_opts);

+    av_freep(&(*graph)->aresample_swr_opts);

     av_freep(&(*graph)->filters);

     av_freep(graph);

 }

@@ -386,7 +388,7 @@ static int query_formats(AVFilterGraph *graph, AVClass *log_ctx)

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

                              resampler_count++);

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

-                                                            inst_name, NULL, NULL, graph)) < 0)

+                                                            inst_name, graph->aresample_swr_opts, NULL, graph)) < 0)

                         return ret;

                     break;

                 default:

@@ -32,6 +32,8 @@ typedef struct AVFilterGraph {

     char *scale_sws_opts; ///< sws options to use for the auto-inserted scale filters

+    char *aresample_swr_opts; ///< swr options to use for the auto-inserted aresample filters, Access ONLY through AVOptions

+

     /**

      * Private fields

      *