Page History

@startuml

autonumber

box "Container" #LightGreen
participant Netflix
participant DPI
participant rialtoClient
end box

box "Platform" #LightBlue
participant rialtoServer
end box

Netflix      ->  DPI:           createDrmSession(media_keys, content_id, license_type, drm_header)
DPI          ->  DPI:           Create DPI session object
DPI          ->  DPI:           Store content_id, & license_type &\ndrm_headernin in session object
DPI          --> Netflix:       session_handle

Netflix      ->  DPI:                getChallengeData(is_LDLgenerateChallenge(drmHeader, licenseChallenge)
DPI          ->  rialtoClient:  createKeySession(media_keys_handle, session_type=TEMPORARY, is_LDL)
rialtoClient ->  rialtoServer:  createKeySession(media_keys_handle, session_type, is_LDL)
note over rialtoServer: As createKeySession() in Cobalt diagram above
rialtoServer --> rialtoClient:  status, key_session_id
rialtoClient --> DPI:           status, key_session_id

DPI          ->  rialtoClient:  setDrmHeader(media_keys_handle, key_session_id, drmHeader)
rialtoClient ->  rialtoServer:  setDrmHeader(media_keys_handle, key_session_id, drmHeader) 
rialtoServer --> rialtoClient:  status
rialtoClient --> DPI:           status

DPI          ->  rialtoClient:  generateRequest(key_session_id, init_data_type=DRMHEADER, init_data=drm_header)
rialtoClient ->  rialtoServer:  generateRequest(key_session_id, init_data_type, init_data)
note over rialtoServer:As generateRequest() in Cobalt diagram above,\nsee note that opendm_session_get_challenge_data()
rialtoServer --> rialtoClient:  status
rialtoClient --> DPI:           status
note over DPI: getChallengeData() must block until onLicenseRequest() callback received
rialtoServer -/  rialtoClient:  onLicenseRequest(key_session_id, challenge, url)
rialtoClient -/  DPI:           onLicenseRequest(key_session_id, challenge, url)
DPI          --> Netflix:       status, challenge


@enduml