From 1be86ebb2a45e1a784f12b44c655c4a32cfc4a1b Mon Sep 17 00:00:00 2001
From: Vincent Penquerc'h <vincent.penquerch@collabora.co.uk>
Date: Fri, 2 May 2014 10:21:09 +0100
Subject: [PATCH] qtmux: handle 0 size packets without dividing by 0

Coverity 1139691
---
 gst/isomp4/gstqtmux.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gst/isomp4/gstqtmux.c b/gst/isomp4/gstqtmux.c
index 52b60c7707..b33904168a 100644
--- a/gst/isomp4/gstqtmux.c
+++ b/gst/isomp4/gstqtmux.c
@@ -2387,7 +2387,10 @@ gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
     } else {
       nsamples = gst_buffer_get_size (last_buf) / sample_size;
     }
-    duration = GST_BUFFER_DURATION (last_buf) / nsamples;
+    if (nsamples > 0)
+      duration = GST_BUFFER_DURATION (last_buf) / nsamples;
+    else
+      duration = 0;
 
     /* timescale = samplerate */
     scaled_duration = 1;