public void Capture(IStreamEncoder encoder)
{
if (!RetrieveFrame())
{
return;
}
try
{
var mapSource = _captureDevice.ImmediateContext.MapSubresource(_desktopImageTexture, 0, MapMode.Read, MapFlags.None);
try
{
// Get the desktop capture texture
encoder.CodeImage(mapSource.DataPointer, PixelFormat.Format32bppArgb);
}
finally
{
_captureDevice.ImmediateContext.UnmapSubresource(_desktopImageTexture, 0);
}
}
finally
{
ReleaseFrame();
}
}
public void Capture(IStreamEncoder encoder)
{
using (var graphics = Graphics.FromImage(_currentImage))
{
var deviceContext = graphics.GetHdc();
NativeMethods.BitBlt(deviceContext, 0, 0, _screenBounds.Width, _screenBounds.Height, _screenDeviceContext, _screenBounds.X,
_screenBounds.Y, SRCCOPY);
graphics.ReleaseHdc(deviceContext);
var bitmapData = _currentImage.LockBits(new Rectangle(0, 0, _currentImage.Width, _currentImage.Height), ImageLockMode.ReadOnly,
_currentImage.PixelFormat);
try
{
encoder.CodeImage(bitmapData.Scan0, bitmapData.PixelFormat);
}
finally
{
_currentImage.UnlockBits(bitmapData);
}
}
}
