concat: Reset last_stop on FLUSH_STOP too

Otherwise when seeking backwards we would keep the last_stop at the last
position we saw until playback passed the seek position again, and if
switching to the next pad happens in the meantime we would set the wrong
offset in the outgoing segment.

diff --git a/plugins/elements/gstconcat.c b/plugins/elements/gstconcat.c
index f449340..0495546 100644 (file)
--- a/plugins/elements/gstconcat.c
+++ b/plugins/elements/gstconcat.c
@@ -672,6 +672,7 @@ gst_concat_sink_event (GstPad * pad, GstObject * parent, GstEvent * event)
           GST_DEBUG_OBJECT (self,
               "resetting start offset to 0 after flushing with reset_time = TRUE");
           self->current_start_offset = 0;
+          self->last_stop = GST_CLOCK_TIME_NONE;
         }
         ret = gst_pad_event_default (pad, parent, event);
       } else {