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VideoProcessors Property
See Also 
Leadtools.Multimedia Namespace > PlayCtrl Class : VideoProcessors Property



Gets the registered video processors collection object.

Syntax

Visual Basic (Declaration) 
Public ReadOnly Property VideoProcessors As VideoProcessors
Visual Basic (Usage)Copy Code
Dim instance As PlayCtrl
Dim value As VideoProcessors
 
value = instance.VideoProcessors
C# 
public VideoProcessors VideoProcessors {get;}
C++/CLI 
public:
property VideoProcessors^ VideoProcessors {
   VideoProcessors^ get();
}

Property Value

A VideoProcessors collection object representing the available video processors.

Example

Visual BasicCopy Code
Public _result As Boolean = False
      Public _form As PlayCtrlForm = New PlayCtrlForm()
      Public Sub ProcessorsExample()
         ' reference the convert control
         Dim playctrl As PlayCtrl = _form.PlayCtrl

         ' input and output files
         Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi")

         Try
            ' disable auto start
            playctrl.AutoStart = False

            ' set the event handler for state changes
            AddHandler playctrl.StateChanged, AddressOf PlayCtrl_StateChanged
            ' set source file
            playctrl.SourceFile = inFile

            ' if we have a video stream
            If (playctrl.AllowedStreams And StreamFormatType.Video) = StreamFormatType.Video Then
               ' set the video processor to the Dizzy filter 
               playctrl.SelectedVideoProcessors.Add(playctrl.VideoProcessors.EFXDizzy)
               Dim vproc As Processor = playctrl.SelectedVideoProcessors.EFXDizzy

               ' set the video processor properties
               If vproc.HasDialog(ProcessorDlg.Properties) Then
                  vproc.ShowDialog(ProcessorDlg.Properties, _form)
               End If
            End If

            ' if we have an audio stream
            If (playctrl.AllowedStreams And StreamFormatType.Audio) = StreamFormatType.Audio Then
               ' set the audio processor to the Chorus filter 
               playctrl.SelectedAudioProcessors.Add(playctrl.AudioProcessors.Chorus)
               Dim aproc As Processor = playctrl.SelectedAudioProcessors.Chorus

               ' set the audio processor properties
               If aproc.HasDialog(ProcessorDlg.Properties) Then
                  aproc.ShowDialog(ProcessorDlg.Properties, _form)
               End If
            End If

            ' start the playback now
            playctrl.Run()

            ' 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 playctrl.State = PlayState.Running
               Application.DoEvents()
            Loop
         Catch e1 As Exception
            _result = False
         End Try
      End Sub

      Private Sub PlayCtrl_StateChanged(ByVal sender As Object, ByVal e As StateChangedEventArgs)
         ' set the result to what we expect
         _result = (e.lastState = PlayState.Running AndAlso e.state = PlayState.Stopped)
      End Sub

Public NotInheritable Class LEAD_VARS
   Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 17\Media"
End Class
C#Copy Code
public bool _result = false;
      public PlayCtrlForm _form = new PlayCtrlForm();
      public void ProcessorsExample()
      {
         // reference the convert control
         PlayCtrl playctrl = _form.PlayCtrl;

         // input and output files
         string inFile = Path.Combine(LEAD_VARS.MediaDir,"ConvertCtrl_Source.avi");

         try
         {
            // disable auto start
            playctrl.AutoStart = false;

            // set the event handler for state changes
            playctrl.StateChanged += new StateChangedEventHandler(PlayCtrl_StateChanged);
            // set source file
            playctrl.SourceFile = inFile;

            // if we have a video stream
            if ((playctrl.AllowedStreams & StreamFormatType.Video) == StreamFormatType.Video)
            {
               // set the video processor to the Dizzy filter 
               playctrl.SelectedVideoProcessors.Add(playctrl.VideoProcessors.EFXDizzy);
               Processor vproc = playctrl.SelectedVideoProcessors.EFXDizzy;

               // set the video processor properties
               if (vproc.HasDialog(ProcessorDlg.Properties))
                  vproc.ShowDialog(ProcessorDlg.Properties, _form);
            }

            // if we have an audio stream
            if ((playctrl.AllowedStreams & StreamFormatType.Audio) == StreamFormatType.Audio)
            {
               // set the audio processor to the Chorus filter 
               playctrl.SelectedAudioProcessors.Add(playctrl.AudioProcessors.Chorus);
               Processor aproc = playctrl.SelectedAudioProcessors.Chorus;

               // set the audio processor properties
               if (aproc.HasDialog(ProcessorDlg.Properties))
                  aproc.ShowDialog(ProcessorDlg.Properties, _form);
            }

            // start the playback now
            playctrl.Run();

            // 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 (playctrl.State == PlayState.Running)
               Application.DoEvents();
         }
         catch (Exception)
         {
            _result = false;
         }
      }

      void PlayCtrl_StateChanged(object sender, StateChangedEventArgs e)
      {
         // set the result to what we expect
         _result = (e.lastState == PlayState.Running && e.state == PlayState.Stopped);
      }

static class LEAD_VARS
{
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 17\Media";
}

Remarks

Gets the Processors collection object, containing registered video processors. This VideoProcessors object is used to enumerate the available video and audio processing filters.

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7

See Also