es_out: Add intended audio audience to meta data if present.

src/input/es_out.c

@@ -2707,6 +2707,12 @@ static void EsOutUpdateInfo( es_out_t *out, es_out_id_t *es, const es_format_t *
             input_Control( p_input, INPUT_ADD_INFO, psz_cat,
                            psz_name, _("%.2f dB"), p_rg->pf_gain[i] );
         }
+
+        if( fmt->psz_description )
+        {
+            input_Control( p_input, INPUT_ADD_INFO, psz_cat, _("Audience"),
+                           "%s", fmt->psz_description );
+        }
         break;
 
     case VIDEO_ES: