@@ -690,6 +690,12 @@ struct AVFilterLink {

     AVRational time_base;

     struct AVFilterPool *pool;

+

+    /**

+     * Graph the filter belongs to.

+     */

+    struct AVFilterGraph *graph;

+

 };

 /**

@@ -374,6 +374,21 @@ int ff_avfilter_graph_config_formats(AVFilterGraph *graph, AVClass *log_ctx)

     return 0;

 }

+static void ff_avfilter_graph_config_pointers(AVFilterGraph *graph,

+                                              AVClass *log_ctx)

+{

+    unsigned i, j;;

+    AVFilterContext *f;

+

+    for (i = 0; i < graph->filter_count; i++) {

+        f = graph->filters[i];

+        for (j = 0; j < f->input_count; j++)

+            f->inputs[j]->graph = graph;

+        for (j = 0; j < f->output_count; j++)

+            f->outputs[j]->graph = graph;

+    }

+}

+

 int avfilter_graph_config(AVFilterGraph *graphctx, void *log_ctx)

 {

     int ret;

@@ -384,6 +399,7 @@ int avfilter_graph_config(AVFilterGraph *graphctx, void *log_ctx)

         return ret;

     if ((ret = ff_avfilter_graph_config_links(graphctx, log_ctx)))

         return ret;

+    ff_avfilter_graph_config_pointers(graphctx, log_ctx);

     return 0;

 }