From: Wim Taymans <wim.taymans@collabora.co.uk>
Date: Fri, 4 Dec 2009 13:01:11 +0000 (+0100)
Subject: oggdemux: don't do math with invalid granulepos
X-Git-Tag: 1.19.3~511^2~8917
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9e222a385cd6ac3cc1ac3aca47f131c08e0b34b5;p=platform%2Fupstream%2Fgstreamer.git

oggdemux: don't do math with invalid granulepos

When the current granulepos is unknown and set to -1, don't try to add durations
to it.
---

diff --git a/ext/ogg/gstoggdemux.c b/ext/ogg/gstoggdemux.c
index a5b047c..5b1e6f1 100644
--- a/ext/ogg/gstoggdemux.c
+++ b/ext/ogg/gstoggdemux.c
@@ -521,7 +521,8 @@ gst_ogg_demux_chain_peer (GstOggPad * pad, ogg_packet * packet)
     GST_BUFFER_OFFSET (buf) = 0;
     GST_BUFFER_OFFSET_END (buf) = -1;
   } else {
-    pad->current_granule += duration;
+    if (pad->current_granule != -1)
+      pad->current_granule += duration;
     if (packet->granulepos != -1) {
       pad->current_granule = gst_ogg_stream_granulepos_to_granule (&pad->map,
           packet->granulepos);