protected override void ReceiveCallback(IAsyncResult ar)
{
//check network delay
var receiveTime = FStopWatch.Elapsed.TotalSeconds;
var netDelay = (receiveTime - FSendTime) * 0.5;
netDelay = FNetDelayFilter.Update(netDelay);
base.ReceiveCallback(ar);
if (FReceiveSuccess)
{
double serverTime = BitConverter.ToDouble(FReceivedBytes, 0);
Debug.WriteLine(serverTime);
//estimate offset
var offset = serverTime - (receiveTime - netDelay);
FTimeOffsetFilter.Update(offset);
Debug.WriteLine("offset: " + FTimeOffsetFilter.Value);
if (Math.Abs(FTimeOffsetFilter.Value) > 0.01)
{
Offset = FTimeOffsetFilter.Value;
}
}
}
protected void ClientEvaluate()
{
var fCount = 5;
lock (FLock)
{
var offset = FIsClient[0] ? FHalfRoundTripDelay : FTimeStamp - FReceivedTimeStamp;
var streamDiff = FReceivedStreamTime - FStreamTime + offset + FFineOffset[0] * 0.001;
streamDiff = Math.Abs(streamDiff) > FLength[0] * 0.5 ? streamDiff - FLength[0] * Math.Sign(streamDiff) : streamDiff;
var doSeek = Math.Abs(streamDiff) > 1;
FStreamDiffFilter.Update(streamDiff);
FDoSeekOut[0] = doSeek;
FSeekTimeOut[0] = FReceivedStreamTime + offset + 0.05;
var doAdjust = Math.Abs(FStreamDiffFilter.Value) > 0.001;
if (!doSeek && FFrameCounter == 0 && doAdjust)
{
FAdjustTimeOut[0] = FStreamDiffFilter.Value * 50;
}
else
{
FAdjustTimeOut[0] = 0;
}
FStreamOffsetOut[0] = FStreamDiffFilter.Value;
FOffsetOut[0] = offset;
FFrameCounter = (++FFrameCounter) % fCount;
}
}