public void CaptureVideo()
{
b = new Bitmap(ScreenWidth, ScreenHeight);
g = Graphics.FromImage(b);
g.CopyFromScreen(Point.Empty, Point.Empty, Screen.PrimaryScreen.Bounds.Size);
//auto set options for video recording
//(description for each option availible at http://msdn.microsoft.com/en-us/library/windows/desktop/dd756832(v=vs.85).aspx)
Avi.AVICOMPRESSOPTIONS aviOptions = new Avi.AVICOMPRESSOPTIONS();
aviOptions.fccType = (uint)Avi.streamtypeVIDEO;
//codec to use MSVC = Microsoft Video 1
aviOptions.fccHandler = (uint)Avi.mmioStringToFOURCC("MSVC", 0);
//quality option go from 0-10000
aviOptions.dwQuality = 5000;
//change aviOptions to "true" to enable the popup window asking for codec options eg. aviStream = aviManager.AddVideoStream(true, 4, b);
aviStream = aviManager.AddVideoStream(aviOptions, 4, b);
Bitmap tempBmp;
while (!pause)
{
tempBmp = new Bitmap(ScreenWidth, ScreenHeight);
g = Graphics.FromImage(tempBmp);
g.CopyFromScreen(Point.Empty, Point.Empty, Screen.PrimaryScreen.Bounds.Size);
g.FillEllipse(fillBrush, currentPoint.X, currentPoint.Y, 10, 10);
g.FillRectangle(new SolidBrush(Color.Black), ScreenWidth - 100, ScreenHeight - 30, 100, 30);
g.DrawString(elapsedTime, new Font("Arial", 12), new SolidBrush(Color.White), new PointF(ScreenWidth - 95, ScreenHeight - 25));
if (tempBmp != null)
{
try
{
aviStream.AddFrame(tempBmp);
}
catch
{
Bitmap bmp2 = tempBmp;
tempBmp.Dispose();
tempBmp = new Bitmap((Image)bmp2);
aviStream.AddFrame(tempBmp);
}
}
tempBmp.Dispose();
Thread.Sleep(50);
}
aviManager.Close();
}
private Avi.AVICOMPRESSOPTIONS createCompressedOptions()
{
Avi.AVICOMPRESSOPTIONS opts = new Avi.AVICOMPRESSOPTIONS();
opts.fccType = (UInt32)Avi.mmioStringToFOURCC("vids", 0);
opts.fccHandler = (UInt32)Avi.mmioStringToFOURCC("CVID", 0);
opts.dwKeyFrameEvery = 0;
opts.dwQuality = 0; // 0 .. 10000
opts.dwFlags = Avi.AVICOMPRESSF_DATARATE; // AVICOMRPESSF_KEYFRAMES = 4
opts.dwBytesPerSecond = 0;
opts.lpFormat = new IntPtr(0);
opts.cbFormat = 0;
opts.lpParms = new IntPtr(0);
opts.cbParms = 0;
opts.dwInterleaveEvery = 0;
return(opts);
}