From 4f81aa8742ffd154dfbc72653e8dc34bb36d6139 Mon Sep 17 00:00:00 2001
From: Mathieu Duponchelle <mathieu.duponchelle@opencreed.com>
Date: Thu, 13 Apr 2017 22:11:55 +0200
Subject: [PATCH] aggregator: Invalidate pad's tail position ...

when dequeuing a segment event.

https://bugzilla.gnome.org/show_bug.cgi?id=784593
---
 libs/gst/base/gstaggregator.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libs/gst/base/gstaggregator.c b/libs/gst/base/gstaggregator.c
index 3a2daf8..315b8b8 100644
--- a/libs/gst/base/gstaggregator.c
+++ b/libs/gst/base/gstaggregator.c
@@ -1430,6 +1430,10 @@ gst_aggregator_default_sink_event (GstAggregator * self,
       PAD_LOCK (aggpad);
       GST_OBJECT_LOCK (aggpad);
       gst_event_copy_segment (event, &aggpad->segment);
+      /* We've got a new segment, tail_position is now meaningless
+       * and may interfere with the time_level calculation
+       */
+      aggpad->priv->tail_position = GST_CLOCK_TIME_NONE;
       update_time_level (aggpad, FALSE);
       GST_OBJECT_UNLOCK (aggpad);
       PAD_UNLOCK (aggpad);
-- 
2.7.4