View Source WebRTC Endpoint
The WebRTC Endpoint is responsible for sending/receiving media tracks to/from a web borwser.
architecture
Architecture
track-sender
Track Sender
TrackSender is responsible for observing track activity and publishing track data to the engine.
In particular, it is responsible for sending Membrane.RTC.Engine.Event.TrackVariantResumed
and Membrane.RTC.Engine.Event.TrackVariantPaused
events, and replying to Membrane.KeyframeRequestEvent
.
VariantTracker
A browser can pause sending some encoding when e.g. it doesn't have enough bandwidth.
This fact is not communicated to the server.
VariantTracker
is responsible for tracking variant activity i.e. whether it is still active.
track-receiver
Track Receiver
TrackReceiver is responsible for receiving a track from the engine.
In particular, it is responsible for sending the Membrane.RTC.Engine.Event.RequestTrackVariant
event,
forwarding keyframe requests from the browser to the TrackSender
and repairing RTP packets after
switching track variants.