Gets the total number of frames that have been delivered during capture.
public virtual int DeliveredFrames { get; }
Public Overridable ReadOnly Property DeliveredFrames As Integer
public:
virtual property int DeliveredFrames {
int get();
}
A value representing the number of delivered frames.
The value is reset to zero when you start a new capture.
using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
// capture control
CaptureCtrl capturectrl;
// output file
string outFile = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_DeliveredFramesExample.avi");
public void DeliveredFramesExample()
{
// reference the capture control
capturectrl = _form.CaptureCtrl;
// delivered frames
int DeliveredFrames;
try
{
// set the source video device, select using your device name here
if (capturectrl.VideoDevices["USB"] == null)
{
throw new Exception("No USB video device available");
}
capturectrl.VideoDevices["USB"].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 delivered frames
DeliveredFrames = capturectrl.DeliveredFrames;
// set the result to what we expect
_result = (DeliveredFrames >= 0);
}
catch (COMException)
{
_result = false;
}
catch (Exception)
{
_result = false;
}
}
void CaptureCtrl_Started(object sender, EventArgs e)
{
// stop the capture (we don't need a complete capture for this example)
capturectrl.StopCapture();
}
static class LEAD_VARS
{
public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 20\Media";
}
Imports Leadtools
Imports Leadtools.MediaFoundation
Imports LeadtoolsMediaFoundationExamples.Fixtures
Public _result As Boolean = False
Public _form As New CaptureCtrlForm()
' capture control
Private capturectrl As CaptureCtrl
' output file
Private outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_DeliveredFramesExample.avi")
Public Sub DeliveredFramesExample()
' reference the capture control
capturectrl = _form.CaptureCtrl
' delivered frames
Dim DeliveredFrames 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
' 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 delivered frames
DeliveredFrames = capturectrl.DeliveredFrames
' set the result to what we expect
_result = (DeliveredFrames >= 0)
Catch generatedExceptionName As COMException
_result = False
Catch generatedExceptionName As Exception
_result = False
End Try
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:\Program Files (x86)\LEAD Technologies\LEADTOOLS 20\Media"
End Class
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