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path: root/ext/resindvd/resindvdsrc.c
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Diffstat (limited to 'ext/resindvd/resindvdsrc.c')
-rw-r--r--ext/resindvd/resindvdsrc.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/ext/resindvd/resindvdsrc.c b/ext/resindvd/resindvdsrc.c
index 3f06855e..7f07f0bf 100644
--- a/ext/resindvd/resindvdsrc.c
+++ b/ext/resindvd/resindvdsrc.c
@@ -1556,8 +1556,10 @@ rsn_dvdsrc_nav_clock_cb (GstClock * clock, GstClockTime time, GstClockID id,
g_mutex_lock (src->dvd_lock);
/* Destroy the clock id that caused this callback */
- gst_clock_id_unref (src->nav_clock_id);
- src->nav_clock_id = NULL;
+ if (src->nav_clock_id) {
+ gst_clock_id_unref (src->nav_clock_id);
+ src->nav_clock_id = NULL;
+ }
while (src->pending_nav_blocks) {
RsnDvdPendingNav *cur = (RsnDvdPendingNav *) src->pending_nav_blocks->data;