From d3a0269695a49e221d688faefdef763fe1e4ac82 Mon Sep 17 00:00:00 2001
From: Mark Nauwelaerts <mark.nauwelaerts@collabora.co.uk>
Date: Wed, 5 Sep 2012 16:59:12 +0200
Subject: [PATCH] streamsynchronizer: use GAP event to trigger preroll

... rather than an empty buffer
---
 gst/playback/gststreamsynchronizer.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/gst/playback/gststreamsynchronizer.c b/gst/playback/gststreamsynchronizer.c
index 14a7a77a64..7510f15f61 100644
--- a/gst/playback/gststreamsynchronizer.c
+++ b/gst/playback/gststreamsynchronizer.c
@@ -451,9 +451,10 @@ gst_stream_synchronizer_sink_event (GstPad * pad, GstObject * parent,
         /* if EOS, but no data has passed, then send something to replace EOS
          * for preroll purposes */
         if (!seen_data) {
-          GstBuffer *buf = gst_buffer_new ();
+          GstEvent *event;
 
-          gst_pad_push (srcpad, buf);
+          event = gst_event_new_gap (0, 0);
+          gst_pad_push_event (srcpad, event);
         }
       }
       gst_object_unref (srcpad);