1. Hardware A43S
2. OS: Windows 7 x 64
3. Tools: VS 2010, Expression 4 Pro
4. Download Expression SP2 http://www.microsoft.com/zh-tw/download/details.aspx?id=27870
Ref: http://stackoverflow.com/questions/6173914/realtime-stream-from-screencapture-with-microsoft-expression-encoder
5. Notes:
N1. SP1 or SP2 download and upgrade. Restart was required.
N2. Capture screen and then broadcasting into internet.
6. Coding:
LiveJob job = new LiveJob(); // Create Broadcasting object
Collection<EncoderDevice> devices = EncoderDevices.FindDevices(EncoderDeviceType.Video);
EncoderDevice device=null;
for (int i=0; i< devices.Count; i++)
if (devices[i].Name == "Screen Capture Source") device = devices[i]; // Select Screen Capture
//Source as the input device
if (device != null)
{
LiveDeviceSource source = job.AddDeviceSource(device, null);
source.ScreenCaptureSourceProperties = new ScreenCaptureSourceProperties
{
CaptureCursor = true,
CaptureLargeCursor = false,
FrameRate = 6,
CaptureLayeredWindow = true,
Height = 600,
Width = 800,
Left = 0,
Top = 0,
};
job.ActivateSource(source);
// Finds and applys a smooth streaming preset
job.ApplyPreset(LivePresets.VC1256kDSL16x9);
// Sets up variable for fomat data
var format = new PullBroadcastPublishFormat { BroadcastPort = 8080 };
job.PublishFormats.Add(format);
var data = job.BufferWindowSize;
job.StartEncoding();
Console.Write("Press Enter then to stop the broadcasting.");
Console.ReadLine();
job.StopEncoding();
}
else
{
Console.WriteLine("Can't find Screen Capture Source.");
}
}
7.
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