internal void OnRemoteTrackAdded(Client client, IPeerConnection peerConnection, RtpTransceiver transceiver)
{
_signallingThread.EnsureCurrentThread();
Require.NotNull(peerConnection);
VideoRouterThrowHelper.WhenInvalidReceiver(transceiver);
// Ignore audio tracks for now
if (transceiver.Receiver.Track.Kind != MediaKind.Video)
{
return;
}
// What's the video source that this track should be connected to?
var transceiverMid = transceiver.Mid;
var videoSource = client.VideoSources
.FirstOrDefault(kv => string.Equals(kv.Value.ExpectedTransceiverMid, transceiverMid, StringComparison.InvariantCultureIgnoreCase))
.Value;
// videoSource could be null when the client doesn't have any input devices,
// therefore it never calls SetRemoteTransceiverMetadata()
if (videoSource != null)
{
VideoRouterThrowHelper.WhenSourceIsEmpty(videoSource, transceiver.Receiver);
var remoteVideoLink = new RemoteVideoLink(peerConnection, videoSource, transceiver.Receiver);
_remoteVideoLinks.AddOrUpdate(remoteVideoLink);
_logger.Info($"Added {remoteVideoLink} into {_remoteVideoLinks}");
}
}
internal void OnRemoteTrackRemoved(RtpTransceiver transceiver)
{
_signallingThread.EnsureCurrentThread();
VideoRouterThrowHelper.WhenInvalidReceiver(transceiver);
_remoteVideoLinks.RemoveByRemoteTrack(transceiver.Receiver);
_logger.Info($"Removed {transceiver.Receiver} from {_remoteVideoLinks}");
}
