EncryptedMediaExtensionsAPI

Types

mediaKeys

This EncryptedMediaExtensions API interface the represents a set of keys that an associated HTMLMediaElement can use for decryption of media data during playback. See MediaKeys on MDN

type mediaKeys = {}

Module

There are methods and helpers defined in MediaKeys .

mediaKeySession

This EncryptedMediaExtensions API interface represents a context for message exchange with a content decryption module (CDM). See MediaKeySession on MDN

type mediaKeySession = {
  sessionId: string,
  expiration: float,
  closed: Promise.t<mediaKeySessionClosedReason>,
  keyStatuses: mediaKeyStatusMap,
}

Record fields

sessionId

string

Read more on MDN

expiration

float

Read more on MDN

closed

Promise.t< mediaKeySessionClosedReason >

Read more on MDN

keyStatuses

mediaKeyStatusMap

Read more on MDN

Module

There are methods and helpers defined in MediaKeySession .

mediaKeySessionClosedReason

type mediaKeySessionClosedReason =
  | @as("closed-by-application") ClosedByApplication
  | @as("hardware-context-reset") HardwareContextReset
  | @as("internal-error") InternalError
  | @as("release-acknowledged") ReleaseAcknowledged
  | @as("resource-evicted") ResourceEvicted

mediaKeySessionType

type mediaKeySessionType =
  | @as("persistent-license") PersistentLicense
  | @as("temporary") Temporary

mediaKeysPolicy

type mediaKeysPolicy = {mutable minHdcpVersion?: string}

Record fields

minHdcpVersion

option< string >

mediaKeysRequirement

type mediaKeysRequirement =
  | @as("not-allowed") NotAllowed
  | @as("optional") Optional
  | @as("required") Required

mediaKeyStatus

type mediaKeyStatus =
  | @as("expired") Expired
  | @as("internal-error") InternalError
  | @as("output-downscaled") OutputDownscaled
  | @as("output-restricted") OutputRestricted
  | @as("released") Released
  | @as("status-pending") StatusPending
  | @as("usable") Usable
  | @as("usable-in-future") UsableInFuture

mediaKeyStatusMap

This EncryptedMediaExtensions API interface is a read-only map of media key statuses by key IDs. See MediaKeyStatusMap on MDN

type mediaKeyStatusMap = {size: int}

Record fields

size

int

Read more on MDN

Module

There are methods and helpers defined in MediaKeyStatusMap .

mediaKeySystemAccess

This EncryptedMediaExtensions API interface provides access to a Key System for decryption and/or a content protection provider. You can request an instance of this object using the Navigator.requestMediaKeySystemAccess method. See MediaKeySystemAccess on MDN

type mediaKeySystemAccess = {keySystem: string}

Record fields

keySystem

string

Read more on MDN

Module

There are methods and helpers defined in MediaKeySystemAccess .

mediaKeySystemConfiguration

type mediaKeySystemConfiguration = {
  mutable label?: string,
  mutable initDataTypes?: array<string>,
  mutable audioCapabilities?: array<
    mediaKeySystemMediaCapability,
  >,
  mutable videoCapabilities?: array<
    mediaKeySystemMediaCapability,
  >,
  mutable distinctiveIdentifier?: mediaKeysRequirement,
  mutable persistentState?: mediaKeysRequirement,
  mutable sessionTypes?: array<string>,
}

Record fields

label

option< string >

initDataTypes

option< array< string > >

audioCapabilities

option< array< mediaKeySystemMediaCapability > >

videoCapabilities

option< array< mediaKeySystemMediaCapability > >

distinctiveIdentifier

option< mediaKeysRequirement >

persistentState

option< mediaKeysRequirement >

sessionTypes

option< array< string > >

mediaKeySystemMediaCapability

type mediaKeySystemMediaCapability = {
  mutable contentType?: string,
  mutable encryptionScheme?: Null.t<string>,
  mutable robustness?: string,
}

Record fields

contentType

option< string >

encryptionScheme

option< Null.t< string > >

robustness

option< string >