Promise.newWithChangeFunc
func will be called exactly once when transitioning out of gst.types.PromiseResult.Pending into any of the other #GstPromiseResult states.
Parameters
func | a #GstPromiseChangeFunc to call |
Returns
a new #GstPromise
func will be called exactly once when transitioning out of gst.types.PromiseResult.Pending into any of the other #GstPromiseResult states.
func | a #GstPromiseChangeFunc to call |