pub unsafe extern "C" fn gst_harness_stress_push_buffer_with_cb_start_full(
h: *mut GstHarness,
caps: *mut GstCaps,
segment: *const GstSegment,
func: GstHarnessPrepareBufferFunc,
data: gpointer,
notify: GDestroyNotify,
sleep: c_ulong,
) -> *mut GstHarnessThread