From 699e0abd492be2c740e75b3ff569aa84d35e03a7 Mon Sep 17 00:00:00 2001
From: Lasse Laukkanen <lasse.laukkanen@digia.com>
Date: Fri, 17 Dec 2010 19:41:25 +0200
Subject: [PATCH] qtmux: allow zero duration tracks

---
 gst/qtmux/gstqtmux.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gst/qtmux/gstqtmux.c b/gst/qtmux/gstqtmux.c
index 5ef009a7cf..2cd848b222 100644
--- a/gst/qtmux/gstqtmux.c
+++ b/gst/qtmux/gstqtmux.c
@@ -1645,6 +1645,11 @@ gst_qt_mux_stop_file (GstQTMux * qtmux)
     GstCollectData *cdata = (GstCollectData *) walk->data;
     GstQTPad *qtpad = (GstQTPad *) cdata;
 
+    if (!qtpad->last_buf) {
+      GST_DEBUG_OBJECT (qtmux, "Pad %s has no buffers",
+          GST_PAD_NAME (qtpad->collect.pad));
+      continue;
+    }
     /* send last buffer */
     GST_DEBUG_OBJECT (qtmux, "Sending the last buffer for pad %s",
         GST_PAD_NAME (qtpad->collect.pad));