Gets or sets the user defined frame rate in frames per second.
public virtual double FrameRate {get; set;}
Public Overridable Property FrameRate As Double
A value representing the user defined frame rate.
The FrameRate property is only used if the UseFrameRate property is set to true. Assignment can raise an error exception. For more information, refer to the Error Codes.
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;
public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void GetSubObjectExample()
{
// reference the capture control
CaptureCtrl capturectrl = _form.CaptureCtrl;
// input and output files
string inFile = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_Source.avi");
string outFile = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_GetSubObjectExample.avi");
try
{
// set the source video device
if (capturectrl.VideoDevices["USB"] == null)
throw new Exception("No USB video device available");
capturectrl.VideoDevices["USB"].Selected = true;
// set the source audio device
if (capturectrl.AudioDevices["USB"] == null)
throw new Exception("No USB audio device available");
capturectrl.AudioDevices["USB"].Selected = true;
// set the output files
capturectrl.TargetFile = outFile;
// set the audio and video compression
capturectrl.VideoCompressors.Mpeg2.Selected = true;
capturectrl.AudioCompressors.AC3.Selected = true;
// add the color adjustment processor
capturectrl.SelectedVideoProcessors.Add(capturectrl.VideoProcessors.Color);
// access the Color filter directly via the GetSubObject method
LMVColor lmvc = capturectrl.GetSubObject(CaptureObject.SelVideoProcessor) as LMVColor;
if (lmvc != null)
{
// change some settings
lmvc.Brightness = 85;
lmvc.Contrast = 85;
lmvc.Enabled = true;
lmvc.EffectAreaEnabled = false;
Marshal.ReleaseComObject(lmvc);
}
// check whether we can capture video
if (capturectrl.IsModeAvailable(CaptureMode.VideoAndAudio))
{
capturectrl.FrameRate = 5; // 5 frames per second
capturectrl.UseFrameRate = true;
capturectrl.TimeLimit = 10; // just 10 seconds of capture time
capturectrl.UseTimeLimit = true;
// start the capture process
capturectrl.StartCapture(CaptureMode.VideoAndAudio);
// 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.
while (capturectrl.State == CaptureState.Running)
Application.DoEvents();
}
}
catch (Exception)
{
_result = false;
}
// 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.
while (capturectrl.State == CaptureState.Running)
Application.DoEvents();
}
static class LEAD_VARS
{
public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 19\Media";
}
Imports Leadtools
Imports Leadtools.Multimedia
Imports LeadtoolsMultimediaExamples.Fixtures
Public _result As Boolean = False
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public Sub GetSubObjectExample()
' reference the capture control
Dim capturectrl As CaptureCtrl = _form.CaptureCtrl
' input and output files
Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_Source.avi")
Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_GetSubObjectExample.avi")
Try
' set the source video device
If capturectrl.VideoDevices("USB") Is Nothing Then
Throw New Exception("No USB video device available")
End If
capturectrl.VideoDevices("USB").Selected = True
' set the source audio device
If capturectrl.AudioDevices("USB") Is Nothing Then
Throw New Exception("No USB audio device available")
End If
capturectrl.AudioDevices("USB").Selected = True
' set the output files
capturectrl.TargetFile = outFile
' set the audio and video compression
capturectrl.VideoCompressors.Mpeg2.Selected = True
capturectrl.AudioCompressors.AC3.Selected = True
' add the color adjustment processor
capturectrl.SelectedVideoProcessors.Add(capturectrl.VideoProcessors.Color)
' access the Color filter directly via the GetSubObject method
Dim lmvc As LMVColor = TryCast(capturectrl.GetSubObject(CaptureObject.SelVideoProcessor), LMVColor)
If Not lmvc Is Nothing Then
' change some settings
lmvc.Brightness = 85
lmvc.Contrast = 85
lmvc.Enabled = True
lmvc.EffectAreaEnabled = False
Marshal.ReleaseComObject(lmvc)
End If
' check if we have can capture video
If capturectrl.IsModeAvailable(CaptureMode.VideoAndAudio) Then
capturectrl.FrameRate = 5 ' 5 frames per second
capturectrl.UseFrameRate = True
capturectrl.TimeLimit = 10 ' just 10 seconds of capture time
capturectrl.UseTimeLimit = True
' start the capture process
capturectrl.StartCapture(CaptureMode.VideoAndAudio)
' 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 If
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
Public NotInheritable Class LEAD_VARS
Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 19\Media"
End Class
Products |
Support |
Feedback: FrameRate Property (CaptureCtrl) - Leadtools.Multimedia |
Introduction |
Help Version 19.0.2017.6.16
|
Raster .NET | C API | C++ Class Library | JavaScript HTML5
Document .NET | C API | C++ Class Library | JavaScript HTML5
Medical .NET | C API | C++ Class Library | JavaScript HTML5
Medical Web Viewer .NET
Your email has been sent to support! Someone should be in touch! If your matter is urgent please come back into chat.
Chat Hours:
Monday - Friday, 8:30am to 6pm ET
Thank you for your feedback!
Please fill out the form again to start a new chat.
All agents are currently offline.
Chat Hours:
Monday - Friday
8:30AM - 6PM EST
To contact us please fill out this form and we will contact you via email.