jitterbuffer: reset element base_time upon flush

... to arrange for properly scheduled timeout (following seek).

diff --git a/gst/rtpmanager/gstrtpjitterbuffer.c b/gst/rtpmanager/gstrtpjitterbuffer.c
index fcaef01..ca83642 100644 (file)
--- a/gst/rtpmanager/gstrtpjitterbuffer.c
+++ b/gst/rtpmanager/gstrtpjitterbuffer.c
@@ -881,6 +881,8 @@ static void
 gst_rtp_jitter_buffer_flush_stop (GstRtpJitterBuffer * jitterbuffer)
 {
   GstRtpJitterBufferPrivate *priv;
+  GstClock *clock;
+  GstClockTime ts;
 
   priv = jitterbuffer->priv;
 
@@ -902,6 +904,18 @@ gst_rtp_jitter_buffer_flush_stop (GstRtpJitterBuffer * jitterbuffer)
   GST_DEBUG_OBJECT (jitterbuffer, "flush and reset jitterbuffer");
   rtp_jitter_buffer_flush (priv->jbuf);
   rtp_jitter_buffer_reset_skew (priv->jbuf);
+  /* sync_time for scheduling timeouts needs proper element base_time
+   * However, following a seek new base_time only trickles down upon PLAYING
+   * upon which time quite some processing has already passed
+   * (which also needs correct base time) */
+  clock = gst_element_get_clock (GST_ELEMENT_CAST (jitterbuffer));
+  if (clock) {
+    ts = gst_clock_get_time (clock);
+    GST_DEBUG_OBJECT (jitterbuffer, "new base time %" GST_TIME_FORMAT,
+        GST_TIME_ARGS (ts));
+    gst_object_unref (clock);
+    gst_element_set_base_time (GST_ELEMENT_CAST (jitterbuffer), ts);
+  }
   JBUF_UNLOCK (priv);
 }