Page History

@startuml

autonumber

box "Container" #LightGreen
participant Cobalt
participant Starboard
participant ocdmProxy
participant rialtoClient
end box

box "Platform" #LightBlue
participant rialtoServer
participant Ocdm
end box

Cobalt       ->  Starboard:     SbDrmUpdateSession(media_keys_handle, ticket, key, session_id)
Starboard    ->  ocdmProxy:     opencdm_session_update(session_id, key)
ocdmProxy    ->  ocdmProxy:     Lookup MediaKeys object for session_id
ocdmProxy    ->  rialtoClient:  updateKeySessionupdateSession(media_keys_handle, session_id, key)
rialtoClient ->  rialtoServer:  updateKeySessionupdateSession(media_keys_handle, session_id, key)

opt media_keys.key_system == "com.netflix.playready"
rialtoServer ->  Ocdm:          opencdm_session_store_license_data(session_id, license_data=key)
Ocdm         --> rialtoServer:  status, secure_stop_id
note left: Secure stop ID ignored as\nnot supported by Rialto
else
rialtoServer ->  Ocdm:          opencdm_session_update(session_id, key)
Ocdm         --> rialtoServer:  status
end

rialtoServer --> rialtoClient:  status
rialtoClient --> ocdmProxy:     status

opt update successful

ocdmProxy    --> Starboard:     status=OK
Starboard    --> Cobalt:        status=OK

loop For each key updated
Ocdm         -/  rialtoServer:  OnKeyUpdated(session_id, key_id)
rialtoServer ->  rialtoServer:  Store updated key_id
end
Ocdm         -/  rialtoServer:  OnAllKeysUpdated(session_id)
rialtoServer -/  rialtoClient:  onKeyStatusesChanged(session_id, key_statuses)
rialtoClient -/  ocdmProxy:     onKeyStatusesChanged(session_id, key_statuses)
loop For each key updated
ocdmProxy    -/  Starboard:     OnKeyUpdated(session_id, key_id)
end
ocdmProxy    -/  Starboard:     OnAllKeysUpdated(session_id)
Starboard    -/  Cobalt:        SbDrmSessionUpdatedFunc(media_keys_handle, context, ticket, kSbDrmStatusSuccess, nullptr, session_id);
Starboard    -/  Cobalt:        SbDrmSessionKeyStatusesChangedFunc(media_keys_handle, context, session_id, key_ids, key_statuses);

else update failed

ocdmProxy    --> Starboard:     status=NOK
Starboard    -/  Cobalt:        SbDrmSessionUpdatedFunc(media_keys_handle, context, ticket, kSbDrmStatusUnknownError, nullptr, session_id);
Starboard    --> Cobalt:        status=NOK

end

@enduml