Wait for promise to move out of the gst.types.PromiseResult.Pending state. If promise is not in gst.types.PromiseResult.Pending then it will return immediately with the current result.
the result of the promise
Wait for promise to move out of the gst.types.PromiseResult.Pending state. If promise is not in gst.types.PromiseResult.Pending then it will return immediately with the current result.