public virtual int AverageFrameSize { get; }
Public Overridable ReadOnly Property AverageFrameSize As Integer
public:
virtual property int AverageFrameSize {
int get();
}
A value representing the average frame size, in bytes, of the captured frames.
The value is reset to zero when you start a new capture.
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
// capture control
CaptureCtrl capturectrl;
// output file
string outFile = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_AverageFrameSizeExample.avi");
public void AverageFrameSizeExample()
{
// reference the capture control
capturectrl = _form.CaptureCtrl;
// average frame size
int AverageFrameSize = 0;
try
{
// set the source video device. use your device's name here
if (capturectrl.VideoDevices["USB"] == null)
{
throw new Exception("No USB video device available");
}
capturectrl.VideoDevices["USB"].Selected = true;
// select a video compressor
capturectrl.VideoCompressors.Mpeg4.Selected = true;
// set the target output file
capturectrl.TargetFile = outFile;
// subscribe to the started event
capturectrl.Started += new System.EventHandler(CaptureCtrl_Started);
// start capture
capturectrl.StartCapture(CaptureMode.Video);
// get the average frame size
AverageFrameSize = capturectrl.AverageFrameSize;
// set the result to what we expect
_result = (AverageFrameSize > 0);
}
catch (COMException)
{
_result = false;
}
catch (Exception)
{
_result = false;
}
}
void CaptureCtrl_Started(object sender, EventArgs e)
{
// stop the capture (we do not need a complete capture for this example)
capturectrl.StopCapture();
}
static class LEAD_VARS
{
public const string MediaDir = @"C:\LEADTOOLS21\Media";
}
Imports Leadtools
Imports Leadtools.Multimedia
Imports LeadtoolsMultimediaExamples.Fixtures
Public _result As Boolean = False
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public _capturectrl As CaptureCtrl
Public Sub AverageFrameSizeExample()
' reference the capture control
_capturectrl = _form.CaptureCtrl
' output file
Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_AverageFrameSizeExample.avi")
' average frame size
Dim AverageFrameSize As Integer
Try
' set the source video device, select using your device name here
If _capturectrl.VideoDevices("USB") Is Nothing Then
Throw New Exception("No USB video device available")
End If
_capturectrl.VideoDevices("USB").Selected = True
' select a video compressor
_capturectrl.VideoCompressors.Mpeg4.Selected = True
' set the target output file
_capturectrl.TargetFile = outFile
' subscribe to the started event
AddHandler _capturectrl.Started, AddressOf CaptureCtrl_Started
' start capture
_capturectrl.StartCapture(CaptureMode.Video)
' get the average frame size
AverageFrameSize = _capturectrl.AverageFrameSize
' set the result to what we expect
_result = (AverageFrameSize > 0)
Catch e1 As Exception
_result = False
End Try
' we'll loop on the state and pump messages for this example.
' but you should not need to if running from a Windows Forms application.
Do While _capturectrl.State = CaptureState.Running
Application.DoEvents()
Loop
End Sub
Private Sub CaptureCtrl_Started(ByVal sender As Object, ByVal e As EventArgs)
' stop the capture (we don't need a complete capture for this example)
_capturectrl.StopCapture()
End Sub
Public NotInheritable Class LEAD_VARS
Public Const MediaDir As String = "C:\LEADTOOLS21\Media"
End Class
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
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