gst/rtpmanager/rtpjitterbuffer.*: Fix undefined overflow prone ts_diff handling.

Original commit message from CVS:
* gst/rtpmanager/rtpjitterbuffer.c:
(rtp_jitter_buffer_get_ts_diff):
* gst/rtpmanager/rtpjitterbuffer.h:
Fix undefined overflow prone ts_diff handling.

1 files changed, 5 insertions, 3 deletions

diff --git a/gst/rtpmanager/rtpjitterbuffer.c b/gst/rtpmanager/rtpjitterbuffer.c
index 1ba1c819..c36a25c5 100644
--- a/gst/rtpmanager/rtpjitterbuffer.c
+++ b/gst/rtpmanager/rtpjitterbuffer.c
@@ -215,8 +215,9 @@ rtp_jitter_buffer_num_packets (RTPJitterBuffer * jbuf)
 guint32
 rtp_jitter_buffer_get_ts_diff (RTPJitterBuffer * jbuf)
 {
-  guint32 high_ts, low_ts;
+  guint64 high_ts, low_ts;
   GstBuffer *high_buf, *low_buf;
+  guint32 result;
 
   g_return_val_if_fail (jbuf != NULL, 0);
 
@@ -231,8 +232,9 @@ rtp_jitter_buffer_get_ts_diff (RTPJitterBuffer * jbuf)
 
   /* it needs to work if ts wraps */
   if (high_ts >= low_ts) {
-    return high_ts - low_ts;
+    result = (guint32) (high_ts - low_ts);
   } else {
-    return high_ts + G_MAXUINT32 + 1 - low_ts;
+    result = (guint32) (high_ts + G_MAXUINT32 + 1 - low_ts);
   }
+  return result;
 }