private void SetupVideoSource(VideoStreamSettings settings)
{
logger.Debug("SetupVideoSource(...)");
try
{
var captureDescr = settings.CaptureDescription;
captureDescr.Resolution = videoSettings.EncodingParams.Resolution;
if (captureDescr.CaptureMode == CaptureMode.CaptDevice)
{
videoSource = new VideoCaptureSource();
videoSource.Setup(captureDescr);
}
else if (captureDescr.CaptureMode == CaptureMode.Screen)
{
videoSource = new ScreenSource();
videoSource.Setup(captureDescr);
}
videoSource.CaptureStarted += VideoSource_CaptureStarted;
videoSource.CaptureStopped += VideoSource_CaptureStopped;
}
catch (Exception ex)
{
logger.Error(ex);
if (videoSource != null)
{
videoSource.CaptureStarted -= VideoSource_CaptureStarted;
videoSource.CaptureStopped -= VideoSource_CaptureStopped;
videoSource.Close();
videoSource = null;
}
throw;
}
}
private void previewButton_Click(object sender, EventArgs e)
{
logger.Debug("previewButton_Click(...)");
if (VideoSettings == null)
{
return;
}
try
{
var captureDevice = this.VideoSettings.CaptureDevice;
if (videoSource == null)
{
if (captureDevice.CaptureMode == CaptureMode.UvcDevice)
{
videoSource = new VideoCaptureSource();
videoSource.Setup(captureDevice);
}
else if (captureDevice.CaptureMode == CaptureMode.Screen)
{
videoSource = new ScreenSource();
videoSource.Setup(captureDevice);
}
else if (captureDevice.CaptureMode == CaptureMode.AppWindow)
{
videoSource = new ScreenSource();
videoSource.Setup(captureDevice);
}
videoSource.CaptureStarted += VideoSource_CaptureStarted;
videoSource.CaptureStopped += VideoSource_CaptureStopped;
videoSource.BufferUpdated += VideoSource_BufferUpdated;
}
if (videoSource.State == CaptureState.Capturing)
{
videoSource.Stop();
}
else
{
videoSource.Start();
}
this.Cursor = Cursors.WaitCursor;
this.Enabled = false;
}
catch (Exception ex)
{
this.Cursor = Cursors.Default;
this.Enabled = true;
MessageBox.Show(ex.Message);
if (videoSource != null)
{
videoSource.BufferUpdated -= VideoSource_BufferUpdated;
videoSource.CaptureStarted -= VideoSource_CaptureStarted;
videoSource.CaptureStopped -= VideoSource_CaptureStopped;
videoSource.Close(true);
videoSource = null;
}
}
}
// private Screen currentScreen = null;
private void httpStartButton_Click(object sender, EventArgs e)
{
//currentScreen = HttpGetCurrentScreen();
var srcRect = HttpGetCurrentScreen(); //currentScreen.Bounds;
//var srcRect = currentScreen.Bounds;
var _destWidth = (int)httpDestWidthNumeric.Value;
var _destHeight = (int)httpDestHeightNumeric.Value;
var destSize = new Size(_destWidth, _destHeight);
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 fps = httpFpsNumeric.Value;
var addr = httpAddrTextBox.Text;
var port = (int)httpPortNumeric.Value;
VideoCaptureType captureType = (VideoCaptureType)captureTypesComboBox.SelectedItem;
httpScreenSource = new ScreenSource();
ScreenCaptureDevice captureParams = new ScreenCaptureDevice
{
CaptureRegion = srcRect,
Resolution = destSize,
};
captureParams.Properties.CaptureType = captureType;//CaptureType.DXGIDeskDupl,
captureParams.Properties.Fps = (int)fps;
captureParams.Properties.CaptureMouse = true;
captureParams.Properties.AspectRatio = true;
captureParams.Properties.UseHardware = false;
if (captureType == VideoCaptureType.GDI || captureType == VideoCaptureType.GDIPlus)
{// масштабируем на энкодере
captureParams.Resolution = new Size(srcRect.Width, srcRect.Height);
}
httpScreenSource.Setup(captureParams);
httpStreamer = new VideoHttpStreamer(httpScreenSource);
NetworkSettings networkParams = new NetworkSettings
{
RemoteAddr = addr,
RemotePort = port,
};
VideoEncoderSettings encodingParams = new VideoEncoderSettings
{
Width = destSize.Width, // options.Width,
Height = destSize.Height, // options.Height,
//Resolution = destSize,
FrameRate = new MediaRatio((int)fps, 1),
EncoderId = "mjpeg",
};
httpStreamer.Setup(encodingParams, networkParams);
httpStreamer.Start();
httpScreenSource.Start();
statisticForm.Location = srcRect.Location;
// statisticForm.Start();
}
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;
}
}