basesrc: handle flush events on the element as well

Handle flush-start and flush-stop sent on the element as well and send them
downstream. Make sure to send a segment event after the flush stop.

diff --git a/libs/gst/base/gstbasesrc.c b/libs/gst/base/gstbasesrc.c
index 2d99fd3..e034580 100644 (file)
--- a/libs/gst/base/gstbasesrc.c
+++ b/libs/gst/base/gstbasesrc.c
@@ -1675,9 +1675,19 @@ gst_base_src_send_event (GstElement * element, GstEvent * event)
   switch (GST_EVENT_TYPE (event)) {
       /* bidirectional events */
     case GST_EVENT_FLUSH_START:
+      GST_DEBUG_OBJECT (src, "pushing flush-start event downstream");
+      result = gst_pad_push_event (src->srcpad, event);
+      event = NULL;
+      break;
     case GST_EVENT_FLUSH_STOP:
+      GST_LIVE_LOCK (src->srcpad);
+      src->priv->segment_pending = TRUE;
       /* sending random flushes downstream can break stuff,
        * especially sync since all segment info will get flushed */
+      GST_DEBUG_OBJECT (src, "pushing flush-stop event downstream");
+      result = gst_pad_push_event (src->srcpad, event);
+      GST_LIVE_UNLOCK (src->srcpad);
+      event = NULL;
       break;
 
       /* downstream serialized events */