private void Update()
{
if (!videoUpdateStarted)
{
return;
}
int localTimestamp = (int)(Time.realtimeSinceStartup * 1000);
encoder.SetValue(localTimestamp);
Graphics.Blit(sourceImage.texture, destTexture, encoder.Material);
int remoteTimestamp = decoder.GetValue(receiveImage.texture);
textLocalTimestamp.text = localTimestamp.ToString();
textRemoteTimestamp.text = remoteTimestamp.ToString();
int latency = localTimestamp - remoteTimestamp;
UpdateLatencyInfo(latency);
}