LEADTOOLS Multimedia (Leadtools.MediaFoundation assembly)

VideoInputs Property

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Example 



Gets the video input collection object.
Syntax
'Declaration
 
Public Overridable ReadOnly Property VideoInputs As CaptureInputs
'Usage
 
Dim instance As CaptureCtrl
Dim value As CaptureInputs
 
value = instance.VideoInputs
public virtual CaptureInputs VideoInputs {get;}
public:
virtual property CaptureInputs^ VideoInputs {
   CaptureInputs^ get();
}

Property Value

A CaptureInputs collection containing video inputs.
Remarks
Gets the CaptureInputs collection object containing the video inputs. The CaptureInput object is used to enumerate the available video capture inputs.
Example
Copy Code  
Imports Leadtools
Imports Leadtools.MediaFoundation
Imports LeadtoolsMediaFoundationExamples.Fixtures

Public _result As Boolean = False
Public _form As CaptureCtrlForm = New CaptureCtrlForm()
Public Sub CaptureInputsExample()
   Dim inputName, inputFriendlyName As String
   Dim selection As Integer

   ' reference the capture control
   Dim capturectrl As CaptureCtrl = _form.CaptureCtrl

   ' select a video device, use your device name here instead of Analog
   If capturectrl.VideoDevices("Analog") Is Nothing Then
      Throw New Exception("No Analog video tuner device available")
   End If

   capturectrl.VideoDevices("Analog").Selected = True

   ' get the audio inputs object
   Dim inputs As CaptureInputs = capturectrl.VideoInputs

   Try
      ' select an input by name if possible
      If Not inputs("Video Composite") Is Nothing Then
         inputs("Video Composite").Selected = True
      End If

      ' get the current selected input
      selection = inputs.Selection

      For Each ci As CaptureInput In inputs
         ' get the inputs properties
         inputName = ci.Name
         inputFriendlyName = ci.FriendlyName

         ' if we found the video tuner input
         If inputFriendlyName = "Video Tuner" Then
            ' select it and break
            ci.Selected = True
            Exit For
         End If
      Next ci

      ' set the result to what we expect
      _result = (selection <> inputs.Selection)

   Catch e1 As Exception
      _result = False
   End Try
End Sub
using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;

public bool _result = false;
public CaptureCtrlForm _form = new CaptureCtrlForm();
public void CaptureInputsExample()
{
   string inputName, inputFriendlyName;
   int selection;

   // reference the capture control
   CaptureCtrl capturectrl = _form.CaptureCtrl;

   // select a video device, use your device name here instead of Analog
   if (capturectrl.VideoDevices["Analog"] == null)
      throw new Exception("No Analog video tuner device available");

   capturectrl.VideoDevices["Analog"].Selected = true;

   // get the audio inputs object
   CaptureInputs inputs = capturectrl.VideoInputs;

   try
   {
      // select an input by name if possible
      if (inputs["Video Composite"] != null)
         inputs["Video Composite"].Selected = true;

      // get the current selected input
      selection = inputs.Selection;

      foreach (CaptureInput ci in inputs)
      {
         // get the inputs properties
         inputName = ci.Name;
         inputFriendlyName = ci.FriendlyName;

         // if we found the video tuner input
         if (inputFriendlyName == "Video Tuner")
         {
            // select it and break
            ci.Selected = true;
            break;
         }
      }

      // set the result to what we expect
      _result = (selection != inputs.Selection);

   }
   catch (Exception)
   {
      _result = false;
   }
}
Requirements

Target Platforms

See Also

Reference

CaptureCtrl Class
CaptureCtrl Members

 

 


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