v4l2transform: Enabled QoS
diff --git a/sys/v4l2/gstv4l2transform.c b/sys/v4l2/gstv4l2transform.c
index 9a03d29..e155091 100644
--- a/sys/v4l2/gstv4l2transform.c
+++ b/sys/v4l2/gstv4l2transform.c
@@ -597,6 +597,8 @@
 gst_v4l2_transform_init (GstV4l2Transform * self)
 {
   /* V4L2 object are created in subinstance_init */
+  /* enable QoS */
+  gst_base_transform_set_qos_enabled (GST_BASE_TRANSFORM (self), TRUE);
 }
 
 static void