public void Enqueue(Data <TPayload> data)
{
long payloadPts = data.Payload.GetPts();
long payloadTime = payloadPts * Fps / 10_000_000;
lock (this)
{
if (_version != -1 && _version != data.Version)
{
_next.Enqueue(data);
}
else if (_currentTimeTick == -1) // init
{
if (payloadTime != 0)
{
_currentTimeTick = payloadTime;
}
_next.Enqueue(data);
}
else
{
long bestTime = _currentTimeTick + 1;
if (payloadTime < bestTime - _maxDeviation)
{
_payloadPool.Back(data.Payload);
_statisticKeeper.Data.Dropped++;
}
else
{
long sendCount = 1;
if (payloadTime > bestTime + _maxDeviation)
{
sendCount += payloadTime - bestTime - _maxDeviation + 1;
if (sendCount > Fps * 1.5) // > 1.5 sec gap
{
_statisticKeeper.Data.Errors++;
Core.LogWarning($"FPS filtering {Name} encountered gap of {sendCount} packets", "FPS filtering encountered gap");
}
}
if (_overloadController != null)
{
_overloadController.Increment(ref _currentTimeTick, sendCount);
}
else
{
_currentTimeTick += sendCount;
}
_next.Enqueue(data);
}
}
}
}
public ErrorCodes Read(Frame resultPayload, out PayloadTrace resultTrace)
{
long now = Core.GetCurrentTime();
_lastReadTime = now;
long currentFpsTime = ToTime(_currentFpsTicks);
long currentFrameDelay = now - currentFpsTime;
if (currentFrameDelay > _setup.MaxDelay) //2 sec
{
// we too late
Core.LogError($"Blender skips batch due to high delay from now {currentFrameDelay / 10_000}ms");
_currentFpsTicks = ToTicks(now - _setup.ComebackDelay); // -300 ms
currentFpsTime = ToTime(_currentFpsTicks);
currentFrameDelay = now - currentFpsTime;
}
bool runtimesReady = currentFrameDelay > 0; // don't go behind real-time. Especially relevant for cases when all _inputRuntimes are Fixed images
if (currentFrameDelay > 0 && currentFrameDelay <= _delayFromRuntime)
{
foreach (var runtime in _inputRuntimes)
{
bool ok = false;
if (runtime.Frames.Count > 0)
{
long first = ToTicks(runtime.Frames.First.Value.Payload.GetPts());
long last = ToTicks(runtime.Frames.Last.Value.Payload.GetPts());
if (_currentFpsTicks <= last)
{
ok = true;
}
}
else if (runtime.FixedFrame != null)
{
ok = true;
}
if (!ok)
{
runtimesReady = false;
break;
}
}
}
// prepare frame
if (runtimesReady)
{
bool hasAnyContent;
if (_setup.Dx == null)
{
hasAnyContent = RenderFFMpeg(resultPayload, out resultTrace);
}
else
{
hasAnyContent = RenderDirectX(resultPayload, out resultTrace);
}
if (hasAnyContent)
{
if (_overloadController == null)
{
_currentFpsTicks += 1;
}
else
{
_overloadController.Increment(ref _currentFpsTicks, 1);
}
return(ErrorCodes.Ok);
}
}
resultTrace = null;
return(ErrorCodes.TryAgainLater);
}