types

package
v1.2.5 Latest Latest
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 Go to latest Published: Oct 20, 2022 License: Apache-2.0 Imports: 8 Imported by: 9

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Constants

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const CurrentProtocol = 8

Variables

This section is empty.

Functions

This section is empty.

Types

type AddSubscriberParams added in v0.15.2 

type AddSubscriberParams struct {
	AllTracks bool
	TrackIDs  []livekit.TrackID
}

type AddTrackParams added in v1.2.5 

type AddTrackParams struct {
	Stereo bool
}

type ICEConnectionType added in v1.2.1 

type ICEConnectionType string
const (
	ICEConnectionTypeUDP     ICEConnectionType = "udp"
	ICEConnectionTypeTCP     ICEConnectionType = "tcp"
	ICEConnectionTypeTURN    ICEConnectionType = "turn"
	ICEConnectionTypeUnknown ICEConnectionType = "unknown"
)

type IceConfig added in v1.1.0 

type IceConfig struct {
	PreferSub PreferCandidateType
	PreferPub PreferCandidateType
}

type LocalMediaTrack added in v0.15.3 

type LocalMediaTrack interface {
	MediaTrack

	Restart()

	SignalCid() string
	HasSdpCid(cid string) bool

	GetAudioLevel() (level float64, active bool)
	GetConnectionScore() float32

	SetRTT(rtt uint32)

	NotifySubscriberNodeMaxQuality(nodeID livekit.NodeID, qualities []SubscribedCodecQuality)
	NotifySubscriberNodeMediaLoss(nodeID livekit.NodeID, fractionalLoss uint8)
}

type LocalParticipant added in v0.15.3 

type LocalParticipant interface {
	Participant

	// getters
	GetLogger() logger.Logger
	GetAdaptiveStream() bool
	ProtocolVersion() ProtocolVersion
	ConnectedAt() time.Time
	State() livekit.ParticipantInfo_State
	IsReady() bool
	SubscriberAsPrimary() bool
	GetClientConfiguration() *livekit.ClientConfiguration
	GetICEConnectionType() ICEConnectionType

	SetResponseSink(sink routing.MessageSink)
	CloseSignalConnection()

	// permissions
	ClaimGrants() *auth.ClaimGrants
	SetPermission(permission *livekit.ParticipantPermission) bool
	CanPublish() bool
	CanSubscribe() bool
	CanPublishData() bool

	// PeerConnection
	AddICECandidate(candidate webrtc.ICECandidateInit, target livekit.SignalTarget)
	HandleOffer(sdp webrtc.SessionDescription)
	AddTrack(req *livekit.AddTrackRequest)
	SetTrackMuted(trackID livekit.TrackID, muted bool, fromAdmin bool)

	HandleAnswer(sdp webrtc.SessionDescription)
	Negotiate(force bool)
	ICERestart(iceConfig *IceConfig)
	AddTrackToSubscriber(trackLocal webrtc.TrackLocal, params AddTrackParams) (*webrtc.RTPSender, *webrtc.RTPTransceiver, error)
	AddTransceiverFromTrackToSubscriber(trackLocal webrtc.TrackLocal, params AddTrackParams) (*webrtc.RTPSender, *webrtc.RTPTransceiver, error)
	RemoveTrackFromSubscriber(sender *webrtc.RTPSender) error

	// subscriptions
	AddSubscribedTrack(st SubscribedTrack)
	RemoveSubscribedTrack(st SubscribedTrack)
	UpdateSubscribedTrackSettings(trackID livekit.TrackID, settings *livekit.UpdateTrackSettings) error
	GetSubscribedTracks() []SubscribedTrack

	// returns list of participant identities that the current participant is subscribed to
	GetSubscribedParticipants() []livekit.ParticipantID
	IsSubscribedTo(sid livekit.ParticipantID) bool
	IsPublisher() bool

	GetAudioLevel() (smoothedLevel float64, active bool)
	GetConnectionQuality() *livekit.ConnectionQualityInfo

	// server sent messages
	SendJoinResponse(joinResponse *livekit.JoinResponse) error
	SendParticipantUpdate(participants []*livekit.ParticipantInfo) error
	SendSpeakerUpdate(speakers []*livekit.SpeakerInfo) error
	SendDataPacket(packet *livekit.DataPacket) error
	SendRoomUpdate(room *livekit.Room) error
	SendConnectionQualityUpdate(update *livekit.ConnectionQualityUpdate) error
	SubscriptionPermissionUpdate(publisherID livekit.ParticipantID, trackID livekit.TrackID, allowed bool)
	SendRefreshToken(token string) error

	// callbacks
	OnStateChange(func(p LocalParticipant, oldState livekit.ParticipantInfo_State))
	// OnTrackPublished - remote added a track
	OnTrackPublished(func(LocalParticipant, MediaTrack))
	// OnTrackUpdated - one of its publishedTracks changed in status
	OnTrackUpdated(callback func(LocalParticipant, MediaTrack))
	// OnParticipantUpdate - metadata or permission is updated
	OnParticipantUpdate(callback func(LocalParticipant))
	OnDataPacket(callback func(LocalParticipant, *livekit.DataPacket))
	OnSubscribedTo(callback func(LocalParticipant, livekit.ParticipantID))
	OnClose(callback func(LocalParticipant, map[livekit.TrackID]livekit.ParticipantID))
	OnClaimsChanged(callback func(LocalParticipant))

	// session migration
	MaybeStartMigration(force bool, onStart func()) bool
	SetMigrateState(s MigrateState)
	MigrateState() MigrateState
	SetMigrateInfo(previousOffer, previousAnswer *webrtc.SessionDescription, mediaTracks []*livekit.TrackPublishedResponse, dataChannels []*livekit.DataChannelInfo)

	UpdateRTT(rtt uint32)

	CacheDownTrack(trackID livekit.TrackID, rtpTransceiver *webrtc.RTPTransceiver, downTrackState sfu.DownTrackState)
	UncacheDownTrack(rtpTransceiver *webrtc.RTPTransceiver)
	GetCachedDownTrack(trackID livekit.TrackID) (*webrtc.RTPTransceiver, sfu.DownTrackState)

	EnqueueSubscribeTrack(trackID livekit.TrackID, isRelayed bool, f func(sub LocalParticipant) error)
	EnqueueUnsubscribeTrack(trackID livekit.TrackID, isRelayed bool, willBeResumed bool, f func(subscriberID livekit.ParticipantID, willBeResumed bool) error)
	ProcessSubscriptionRequestsQueue(trackID livekit.TrackID)
	ClearInProgressAndProcessSubscriptionRequestsQueue(trackID livekit.TrackID)

	SetICEConfig(iceConfig IceConfig)
	OnICEConfigChanged(callback func(participant LocalParticipant, iceConfig IceConfig))

	UpdateSubscribedQuality(nodeID livekit.NodeID, trackID livekit.TrackID, maxQualities []SubscribedCodecQuality) error
	UpdateMediaLoss(nodeID livekit.NodeID, trackID livekit.TrackID, fractionalLoss uint32) error
}

type MediaTrack added in v0.15.0 

type MediaTrack interface {
	ID() livekit.TrackID
	Kind() livekit.TrackType
	Name() string
	Source() livekit.TrackSource

	ToProto() *livekit.TrackInfo

	PublisherID() livekit.ParticipantID
	PublisherIdentity() livekit.ParticipantIdentity
	PublisherVersion() uint32

	IsMuted() bool
	SetMuted(muted bool)

	UpdateVideoLayers(layers []*livekit.VideoLayer)
	IsSimulcast() bool

	Close(willBeResumed bool)

	// callbacks
	AddOnClose(func())

	// subscribers
	AddSubscriber(participant LocalParticipant) error
	RemoveSubscriber(participantID livekit.ParticipantID, willBeResumed bool)
	IsSubscriber(subID livekit.ParticipantID) bool
	RevokeDisallowedSubscribers(allowedSubscriberIdentities []livekit.ParticipantIdentity) []livekit.ParticipantIdentity
	GetAllSubscribers() []livekit.ParticipantID
	GetNumSubscribers() int

	// returns quality information that's appropriate for width & height
	GetQualityForDimension(width, height uint32) livekit.VideoQuality

	Receivers() []sfu.TrackReceiver
	ClearAllReceivers(willBeResumed bool)
}

MediaTrack represents a media track

type MigrateState added in v0.15.3 

type MigrateState int32
const (
	MigrateStateInit MigrateState = iota
	MigrateStateSync
	MigrateStateComplete
)

func (MigrateState) String added in v0.15.3 

func (m MigrateState) String() string

type OperationMonitor added in v1.2.2 

type OperationMonitor interface {
	PostEvent(ome OperationMonitorEvent, omd OperationMonitorData)
	Check() error
	IsIdle() bool
}

type OperationMonitorData added in v1.2.2 

type OperationMonitorData interface{}

type OperationMonitorEvent added in v1.2.2 

type OperationMonitorEvent int

Supervisor/operation monitor related definitions 

const (
	OperationMonitorEventUpdateSubscription OperationMonitorEvent = iota
	OperationMonitorEventSetSubscribedTrack
	OperationMonitorEventClearSubscribedTrack
	OperationMonitorEventPublisherPeerConnectionConnected
	OperationMonitorEventAddPendingPublication
	OperationMonitorEventSetPublicationMute
	OperationMonitorEventSetPublishedTrack
	OperationMonitorEventClearPublishedTrack
)

func (OperationMonitorEvent) String added in v1.2.2 

func (o OperationMonitorEvent) String() string

type Participant 

type Participant interface {
	ID() livekit.ParticipantID
	Identity() livekit.ParticipantIdentity

	ToProto() *livekit.ParticipantInfo

	SetMetadata(metadata string)

	GetPublishedTrack(sid livekit.TrackID) MediaTrack
	GetPublishedTracks() []MediaTrack
	RemovePublishedTrack(track MediaTrack, willBeResumed bool, shouldClose bool)

	AddSubscriber(op LocalParticipant, params AddSubscriberParams) (int, error)
	RemoveSubscriber(op LocalParticipant, trackID livekit.TrackID, resume bool)

	// permissions
	Hidden() bool
	IsRecorder() bool

	Start()
	Close(sendLeave bool, reason ParticipantCloseReason) error

	SubscriptionPermission() (*livekit.SubscriptionPermission, *livekit.TimedVersion)

	// updates from remotes
	UpdateSubscriptionPermission(
		subscriptionPermission *livekit.SubscriptionPermission,
		timedVersion *livekit.TimedVersion,
		resolverByIdentity func(participantIdentity livekit.ParticipantIdentity) LocalParticipant,
		resolverBySid func(participantID livekit.ParticipantID) LocalParticipant,
	) error
	UpdateVideoLayers(updateVideoLayers *livekit.UpdateVideoLayers) error

	DebugInfo() map[string]interface{}
}

type ParticipantCloseReason added in v1.1.0 

type ParticipantCloseReason int
const (
	ParticipantCloseReasonClientRequestLeave ParticipantCloseReason = iota
	ParticipantCloseReasonRoomManagerStop
	ParticipantCloseReasonRoomClose
	ParticipantCloseReasonVerifyFailed
	ParticipantCloseReasonJoinFailed
	ParticipantCloseReasonJoinTimeout
	ParticipantCloseReasonStateDisconnected
	ParticipantCloseReasonPeerConnectionDisconnected
	ParticipantCloseReasonDuplicateIdentity
	ParticipantCloseReasonMigrationComplete
	ParticipantCloseReasonStale
	ParticipantCloseReasonServiceRequestRemoveParticipant
	ParticipantCloseReasonServiceRequestDeleteRoom
	ParticipantCloseReasonSimulateMigration
	ParticipantCloseReasonSimulateNodeFailure
	ParticipantCloseReasonSimulateServerLeave
	ParticipantCloseReasonNegotiateFailed
	ParticipantCloseReasonMigrationRequested
	ParticipantCloseReasonOvercommitted
)

func (ParticipantCloseReason) String added in v1.1.0 

func (p ParticipantCloseReason) String() string

func (ParticipantCloseReason) ToDisconnectReason added in v1.1.1 

func (p ParticipantCloseReason) ToDisconnectReason() livekit.DisconnectReason

type PreferCandidateType added in v1.2.0 

type PreferCandidateType int
const (
	PreferNone PreferCandidateType = iota
	PreferTcp
	PreferTls
)

type ProtocolVersion 

type ProtocolVersion int

func (ProtocolVersion) HandlesDataPackets 

func (v ProtocolVersion) HandlesDataPackets() bool

func (ProtocolVersion) SubscriberAsPrimary added in v0.13.0 

func (v ProtocolVersion) SubscriberAsPrimary() bool

SubscriberAsPrimary indicates clients initiate subscriber connection as primary

func (ProtocolVersion) SupportFastStart added in v1.1.0 

func (v ProtocolVersion) SupportFastStart() bool

SupportFastStart - if client supports fast start, server side will send media streams in the first offer

func (ProtocolVersion) SupportsConnectionQuality added in v0.14.0 

func (v ProtocolVersion) SupportsConnectionQuality() bool

SupportsConnectionQuality - avoid sending frequent ConnectionQuality updates for lower protocol versions

func (ProtocolVersion) SupportsICELite added in v0.15.4 

func (v ProtocolVersion) SupportsICELite() bool

func (ProtocolVersion) SupportsPackedStreamId 

func (v ProtocolVersion) SupportsPackedStreamId() bool

func (ProtocolVersion) SupportsProtobuf added in v0.11.0 

func (v ProtocolVersion) SupportsProtobuf() bool

func (ProtocolVersion) SupportsSessionMigrate added in v0.15.3 

func (v ProtocolVersion) SupportsSessionMigrate() bool

func (ProtocolVersion) SupportsSpeakerChanged added in v0.13.0 

func (v ProtocolVersion) SupportsSpeakerChanged() bool

SupportsSpeakerChanged - if client handles speaker info deltas, instead of a comprehensive list

func (ProtocolVersion) SupportsTransceiverReuse added in v0.13.3 

func (v ProtocolVersion) SupportsTransceiverReuse() bool

SupportsTransceiverReuse - if transceiver reuse is supported, optimizes SDP size

func (ProtocolVersion) SupportsUnpublish added in v0.15.6 

func (v ProtocolVersion) SupportsUnpublish() bool

type Room added in v0.15.0 

type Room interface {
	Name() livekit.RoomName
	ID() livekit.RoomID
	RemoveParticipant(identity livekit.ParticipantIdentity, reason ParticipantCloseReason)
	UpdateSubscriptions(participant LocalParticipant, trackIDs []livekit.TrackID, participantTracks []*livekit.ParticipantTracks, subscribe bool) error
	UpdateSubscriptionPermission(participant LocalParticipant, permissions *livekit.SubscriptionPermission) error
	SyncState(participant LocalParticipant, state *livekit.SyncState) error
	SimulateScenario(participant LocalParticipant, scenario *livekit.SimulateScenario) error
	SetParticipantPermission(participant LocalParticipant, permission *livekit.ParticipantPermission) error
	UpdateVideoLayers(participant Participant, updateVideoLayers *livekit.UpdateVideoLayers) error
}

Room is a container of participants, and can provide room-level actions

type SubscribedCodecQuality added in v1.1.0 

type SubscribedCodecQuality struct {
	CodecMime string
	Quality   livekit.VideoQuality
}

type SubscribedTrack 

type SubscribedTrack interface {
	OnBind(f func())
	ID() livekit.TrackID
	PublisherID() livekit.ParticipantID
	PublisherIdentity() livekit.ParticipantIdentity
	PublisherVersion() uint32
	SubscriberID() livekit.ParticipantID
	SubscriberIdentity() livekit.ParticipantIdentity
	Subscriber() LocalParticipant
	DownTrack() *sfu.DownTrack
	MediaTrack() MediaTrack
	IsMuted() bool
	SetPublisherMuted(muted bool)
	UpdateSubscriberSettings(settings *livekit.UpdateTrackSettings)
	// selects appropriate video layer according to subscriber preferences
	UpdateVideoLayer()
}

MediaTrack is the main interface representing a track published to the room

type WebsocketClient 

type WebsocketClient interface {
	ReadMessage() (messageType int, p []byte, err error)
	WriteMessage(messageType int, data []byte) error
	WriteControl(messageType int, data []byte, deadline time.Time) error
}

Source Files

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