void StartRecord()
{
job = new ScreenCaptureJob();
System.Drawing.Size WorkingArea = SystemInformation.WorkingArea.Size;
Rectangle captureRect = new Rectangle(0, 0, WorkingArea.Width, WorkingArea.Height);
job.CaptureRectangle = captureRect;
job.ShowFlashingBoundary = false;
job.ShowCountdown = false;
job.CaptureMouseCursor = false;
job.OutputPath = @"C:\Users\Public\Videos";
job.ScreenCaptureVideoProfile.Quality = 95;
var audioDevices = Microsoft.Expression.Encoder.Devices.EncoderDevices.FindDevices(Microsoft.Expression.Encoder.Devices.EncoderDeviceType.Audio);
job.AddAudioDeviceSource(audioDevices.ElementAt(1));
Microsoft.Expression.Encoder.Profiles.ConstantBitrate b = new Microsoft.Expression.Encoder.Profiles.ConstantBitrate(135000);
job.ScreenCaptureVideoProfile.Bitrate = b;
job.ScreenCaptureVideoProfile.FrameRate = 25.0;
job.Start();
}
private void InitializeScreenCaptureJob()
{
// **************************************************
System.Windows.Forms.Screen screen =
System.Windows.Forms.Screen.AllScreens[0];
int width = (int)(screen.Bounds.Width * ScreenScalingFactor);
int height = (int)(screen.Bounds.Height * ScreenScalingFactor);
System.Drawing.Rectangle captureRectangle =
new System.Drawing.Rectangle(x: 0, y: 0, width: width, height: height);
// **************************************************
ScreenCaptureJob =
new Microsoft.Expression.Encoder.ScreenCapture.ScreenCaptureJob();
// **************************************************
var audioDeviceSources =
Microsoft.Expression.Encoder.Devices.EncoderDevices
.FindDevices(Microsoft.Expression.Encoder.Devices.EncoderDeviceType.Audio);
foreach (var currentAudioDeviceSource in audioDeviceSources)
{
string message =
$"Name: { currentAudioDeviceSource.Name }\r\nCategory: { currentAudioDeviceSource.Category }\r\n Device Path: { currentAudioDeviceSource.DevicePath }";
//System.Windows.Forms.MessageBox.Show(message);
if (string.Compare(currentAudioDeviceSource.Category.ToString(), "Capture", ignoreCase: true) == 0)
{
ScreenCaptureJob.AddAudioDeviceSource(source: currentAudioDeviceSource);
}
}
// **************************************************
// Default Value: [false]
ScreenCaptureJob.CaptureFollowCursor = false;
// Default Value: [false]
ScreenCaptureJob.CaptureLargeMouseCursor = false;
// Default Value: [true]
ScreenCaptureJob.CaptureLayeredWindow = true;
// Default Value: [true]
ScreenCaptureJob.CaptureMouseCursor = true;
ScreenCaptureJob.CaptureRectangle = captureRectangle;
System.TimeSpan maxDuration =
new System.TimeSpan(hours: 2, minutes: 0, seconds: 0);
// Default Value: [00:00:00] - Seconds
//screenCaptureJob.Duration = maxDuration;
ScreenCaptureJob.OutputError +=
ScreenCaptureJob_OutputError;
//screenCaptureJob.OutputPath = ""; // Default: [""]
string pathName =
$"D:\\_TEMP\\CAPTURE_{ System.DateTime.Now.ToString("yyyy-MM-dd-HH-mm-ss") }.mp4";
ScreenCaptureJob.OutputScreenCaptureFileName = pathName; // Default: [null]
// Default Value: [192]
Microsoft.Expression.Encoder.Profiles.Bitrate
audioBitrate = new Microsoft.Expression.Encoder.Profiles.ConstantBitrate(bitrate: 192);
// Default Value: [30000]
Microsoft.Expression.Encoder.Profiles.Bitrate
videoBitrate = new Microsoft.Expression.Encoder.Profiles.ConstantBitrate(bitrate: 30000);
ScreenCaptureJob.ScreenCaptureAudioProfile.Bitrate = audioBitrate;
// Default Value: [16]
ScreenCaptureJob.ScreenCaptureAudioProfile.BitsPerSample = 16;
// Default Value: [2]
ScreenCaptureJob.ScreenCaptureAudioProfile.Channels = 2;
// Default Value: [Wma]
ScreenCaptureJob.ScreenCaptureAudioProfile.Codec =
Microsoft.Expression.Encoder.Profiles.AudioCodec.Wma;
bool isValid =
ScreenCaptureJob.ScreenCaptureAudioProfile.IsValid;
// Default: [48000]
ScreenCaptureJob.ScreenCaptureAudioProfile.SamplesPerSecond = 48000;
ScreenCaptureJob.ScreenCaptureCommandFinished +=
ScreenCaptureJob_ScreenCaptureCommandFinished;
string pathNameTemp =
ScreenCaptureJob.ScreenCaptureFileName;
ScreenCaptureJob.ScreenCaptureFinished +=
ScreenCaptureJob_ScreenCaptureFinished;
ScreenCaptureJob.ScreenCaptureStart +=
ScreenCaptureJob_ScreenCaptureStart;
// Default Value: []
//screenCaptureJob.ScreenCaptureVideoProfile.AspectRatio = null;
// Default Value: [true]
ScreenCaptureJob.ScreenCaptureVideoProfile.AutoFit = true;
ScreenCaptureJob.ScreenCaptureVideoProfile.Bitrate = videoBitrate;
var currentVideoCodec =
ScreenCaptureJob.ScreenCaptureVideoProfile.Codec;
// Default Value: [false]
ScreenCaptureJob.ScreenCaptureVideoProfile.Force16Pixels = true;
// Default Value: [15]
ScreenCaptureJob.ScreenCaptureVideoProfile.FrameRate = 15;
// Default Value: [00:00:06] (Seconds)
System.TimeSpan keyFrameDistance =
new System.TimeSpan(hours: 0, minutes: 0, seconds: 6);
ScreenCaptureJob.ScreenCaptureVideoProfile.KeyFrameDistance = keyFrameDistance;
// Default Value: [0]
ScreenCaptureJob.ScreenCaptureVideoProfile.NumberOfEncoderThreads = 0;
// Default Value: [95]
ScreenCaptureJob.ScreenCaptureVideoProfile.Quality = 95;
// Default Value: [true]
ScreenCaptureJob.ScreenCaptureVideoProfile.SeparateFilesPerStream = true;
//System.Drawing.Size size =
// new System.Drawing.Size(width: screen.Bounds.Width, height: screen.Bounds.Height);
System.Drawing.Size size =
new System.Drawing.Size(width: 320, height: 240);
ScreenCaptureJob.ScreenCaptureVideoProfile.Size = size;
// Default Value: [false]
ScreenCaptureJob.ScreenCaptureVideoProfile.SmoothStreaming = false;
// Default Value: [false]
ScreenCaptureJob.ShowCountdown = true;
// Default Value: [true]
ScreenCaptureJob.ShowFlashingBoundary = false;
//screenCaptureJob.VideoDeviceSource
ScreenCaptureJob.WebcamError +=
ScreenCaptureJob_WebcamError;
//ScreenCaptureJob.WebcamFileName
//ScreenCaptureJob.WebcamVideoProfile
}
