public async Task Run()
{
string header = "HTTP/1.1 200 OK\r\n" +
$"Content-Type: multipart/x-mixed-replace; boundary={Boundary}\r\n" +
"Server: LibMJPEGStreamer\r\n";
try
{
TargetClient.Send(Encoding.UTF8.GetBytes(header));
while (_streamActive)
{
_newFrameAvailableEvent.WaitOne();
_newFrameAvailableEvent.Reset();
if (!_streamActive)
{
break;
}
await SendFrame();
}
}
catch
{
// Shit happens...
// Client probably disconnected.
}
}
private async Task SendFrame()
{
if (_lastQuality <= 0)
{
_lastQuality = Encoder.GetQuality();
}
MemoryStream frameStream = await Encoder.GetCurrentFrame(_lastQuality);
string header = $"\r\n{Boundary}\r\n" +
"Content-Type: image/jpeg\r\n" +
$"Content-Length: {frameStream.Length}\r\n\r\n";
_stopwatch.Restart();
{
TargetClient.Send(Encoding.UTF8.GetBytes(header));
TargetClient.Send(frameStream);
TargetClient.Send(Encoding.UTF8.GetBytes("\r\n"));
}
_stopwatch.Stop();
int nextTransmissionTime = (int)_stopwatch.ElapsedMilliseconds;
if (_lastTransmissionTimes.Count >= TransmissionUpdateCount)
{
_lastQuality = Encoder.GetQuality(_lastQuality, (int)_lastTransmissionTimes.Average());
_lastTransmissionTimes.Clear();
}
// 1000 FPS ist good enough...
if (nextTransmissionTime <= 0)
{
nextTransmissionTime = 1;
}
_lastTransmissionTimes.Add(nextTransmissionTime);
}