SelectedAudioProcessors Property (PlayCtrl)

Visual Basic
C#
WinRT C#
WinRT JavaScript
C++

public AudioProcessors SelectedAudioProcessors {get;}

'Declaration
 
Public ReadOnly Property SelectedAudioProcessors As AudioProcessors

'Usage
 
Dim instance As PlayCtrl
Dim value As AudioProcessors
 
value = instance.SelectedAudioProcessors

public AudioProcessors SelectedAudioProcessors {get;}

 get_SelectedAudioProcessors();

public:
property AudioProcessors^ SelectedAudioProcessors {
   AudioProcessors^ get();
}

Property Value

An AudioProcessors object representing the audio processors collection.

Use the AudioProcessors object to build a list of audio processing filters to use during playback. See the AudioProcessors object for more details on audio processors collections.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy 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 175\Media";
End Class

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 175\Media";
}

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

PlayCtrl Class
PlayCtrl Members