Merge remote-tracking branch 'cus/stable'

* cus/stable:
  ffplay: flush subtitle codecs as well with null packets
  ffplay: reorder the filters to ensure that inputs of the custom filters are merged first

Merged-by: Michael Niedermayer <michaelni@gmx.at>

ffplay.c

@@ -1727,7 +1727,8 @@ static int get_video_frame(VideoState *is, AVFrame *frame, AVPacket *pkt, int *s
 static int configure_filtergraph(AVFilterGraph *graph, const char *filtergraph,
                                  AVFilterContext *source_ctx, AVFilterContext *sink_ctx)
 {
-    int ret;
+    int ret, i;
+    int nb_filters = graph->nb_filters;
     AVFilterInOut *outputs = NULL, *inputs = NULL;
 
     if (filtergraph) {
@@ -1755,6 +1756,10 @@ static int configure_filtergraph(AVFilterGraph *graph, const char *filtergraph,
             goto fail;
     }
 
+    /* Reorder the filters to ensure that inputs of the custom filters are merged first */
+    for (i = 0; i < graph->nb_filters - nb_filters; i++)
+        FFSWAP(AVFilterContext*, graph->filters[i], graph->filters[i + nb_filters]);
+
     ret = avfilter_graph_config(graph, NULL);
 fail:
     avfilter_inout_free(&outputs);
@@ -2943,6 +2948,8 @@ static int read_thread(void *arg)
                 packet_queue_put_nullpacket(&is->videoq, is->video_stream);
             if (is->audio_stream >= 0)
                 packet_queue_put_nullpacket(&is->audioq, is->audio_stream);
+            if (is->subtitle_stream >= 0)
+                packet_queue_put_nullpacket(&is->subtitleq, is->subtitle_stream);
             SDL_Delay(10);
             eof=0;
             continue;