internal void UpdateReceiver()
{
if (_receiver != null)
{
var transceiver = Transceiver;
Debug.Assert(transceiver != null);
bool wasReceiving = _isReceiverPaired;
bool hasRemoteTrack = (transceiver.RemoteTrack != null);
// Note the extra "hasRemoteTrack" check, which ensures that when the remote track was
// just removed by OnUnpaired(RemoteTrack) from the TrackRemoved event then it is not
// immediately re-added by mistake.
if (hasRemoteTrack && !wasReceiving)
{
// Transceiver started receiving, and user actually wants to receive
_peer.InvokeOnAppThread(() => _receiver.OnPaired(transceiver.RemoteTrack));
_isReceiverPaired = true;
}
else if (!hasRemoteTrack && wasReceiving)
{
// Transceiver stopped receiving (user intent does not matter here)
_peer.InvokeOnAppThread(() => _receiver.OnUnpaired(transceiver.RemoteTrack));
_isReceiverPaired = false;
}
}
}
internal void UpdateReceiverPairingIfNeeded()
{
Debug.Assert(Transceiver != null);
// Callbacks must be called on the main Unity app thread.
_peer.EnsureIsMainAppThread();
var newRemoteTrack = Transceiver.RemoteTrack;
if (_receiver != null)
{
bool wasReceiving = _remoteTrack != null;
bool isReceiving = newRemoteTrack != null;
if (isReceiving && !wasReceiving)
{
// Transceiver started receiving, and user actually wants to receive
_receiver.OnPaired(newRemoteTrack);
}
else if (!isReceiving && wasReceiving)
{
// Transceiver stopped receiving (user intent does not matter here)
_receiver.OnUnpaired(_remoteTrack);
}
}
_remoteTrack = newRemoteTrack;
}
