private void button2_Click(object sender, EventArgs e)
{
try
{
if (httpScreenStreamer == null)
{
httpScreenStreamer = new HttpScreenStreamer();
httpScreenStreamer.StreamerStarted += HttpScreenStreamer_StreamerStarted;
httpScreenStreamer.StreamerStopped += HttpScreenStreamer_StreamerStopped;
}
var srcRect = HttpGetCurrentScreen(); //currentScreen.Bounds;
var _destWidth = (int)httpDestWidthNumeric.Value;
var _destHeight = (int)httpDestHeightNumeric.Value;
var destSize = new Size(_destWidth, _destHeight);
VideoCaptureType captureType = (VideoCaptureType)captureTypesComboBox.SelectedItem;
HttpScreenStreamerArgs args = new HttpScreenStreamerArgs
{
Addres = httpAddrTextBox.Text,
Port = (int)httpPortNumeric.Value,
CaptureRegion = srcRect,
Resolution = destSize,
Fps = (int)httpFpsNumeric.Value,
CaptureTypes = captureType,
CaptureMouse = true,
//UseDesktopDuplApi = (captureType == VideoCaptureType.DXGIDeskDupl),
};
httpScreenStreamer.Setup(args);
httpScreenStreamer.Start();
this.Cursor = Cursors.WaitCursor;
this.Enabled = false;
}
catch (Exception ex)
{
logger.Error(ex);
MessageBox.Show(ex.ToString());
}
}
public void Setup(HttpScreenStreamerArgs args)
{
logger.Debug("HttpScreenStreamer::Setup() " + args.ToString());
if (state != MediaState.Closed)
{
throw new InvalidOperationException("Invalid state " + State);
}
errorCode = 0;
//var srcRect = System.Windows.Forms.Screen.PrimaryScreen.Bounds;
//var destSize = new Size(1920, 1080);
var srcRect = args.CaptureRegion;
var destSize = args.Resolution;
var ratio = srcRect.Width / (double)srcRect.Height;
int destWidth = destSize.Width;
int destHeight = (int)(destWidth / ratio);
if (ratio < 1)
{
destHeight = destSize.Height;
destWidth = (int)(destHeight * ratio);
}
destSize = new Size(destWidth, destHeight);
var captureType = args.CaptureTypes;
var captureProp = new ScreenCaptureProperties
{
CaptureType = captureType,
Fps = (int)args.Fps,
CaptureMouse = args.CaptureMouse,
AspectRatio = true,
UseHardware = false,
};
ScreenCaptureDevice captureParams = new ScreenCaptureDevice
{
CaptureRegion = srcRect,
Resolution = destSize,
Properties = captureProp,
//CaptureType = captureType,
//Fps = (int)args.Fps,
//CaptureMouse = args.CaptureMouse,
//AspectRatio = true,
//UseHardware = false,
};
if (captureType == VideoCaptureType.GDI ||
captureType == VideoCaptureType.GDILayered ||
captureType == VideoCaptureType.GDIPlus ||
captureType == VideoCaptureType.Datapath)
{// масштабируем на энкодере
captureParams.Resolution = new Size(srcRect.Width, srcRect.Height);
}
VideoEncoderSettings encodingParams = new VideoEncoderSettings
{
EncoderFormat = VideoCodingFormat.JPEG,
//Resolution = destSize,
Width = destSize.Width,
Height = destSize.Height,
FrameRate = new MediaRatio(captureParams.Properties.Fps, 1),
EncoderId = "mjpeg",
};
NetworkSettings networkParams = new NetworkSettings
{
RemoteAddr = args.Addres,
RemotePort = args.Port,
};
try
{
httpScreenSource = new ScreenSource();
httpScreenSource.Setup(captureParams);
httpScreenSource.CaptureStopped += HttpScreenSource_CaptureStopped;
httpStreamer = new VideoHttpStreamer(httpScreenSource);
httpStreamer.Setup(encodingParams, networkParams);
httpStreamer.StreamerStopped += HttpStreamer_StreamerStopped;
state = MediaState.Initialized;
}
catch (Exception ex)
{
logger.Error(ex);
errorCode = 100503;
Close();
throw;
}
}
