Regarding to the AES-128 bit encryption for HLS streaming on Roku, if Roku fails to retrieve the AES key (for example due to key rotation), does Roku have any retry mechanism to get the new AES key?
You trying like swift language delegate method. correct? But, Roku doesn't provide anything like this. Roku's first priority regarding AES-128 right key must available on the server. Please refer to this article. It's available on the Partner knowledge center.