SourceAudioFOURCC Property (PlayCtrl)

Visual Basic
C#
C++/CLI

'Declaration
 
Public Overridable ReadOnly Property SourceAudioFOURCC As Integer

'Usage
 
Dim instance As PlayCtrl
Dim value As Integer
 
value = instance.SourceAudioFOURCC

public virtual int SourceAudioFOURCC {get;}

public:
virtual property int SourceAudioFOURCC {
   int get();
}

Property Value

A value representing a FOURCC code for the audio format.

If the source audio format is not a standard format, then this property is set to 0. For a list of audio format values, refer to the Microsoft documentation for FOURCC Codes.

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

Copy Code

Imports Leadtools
Imports Leadtools.MediaFoundation
Imports LeadtoolsMediaFoundationExamples.Fixtures

Public _result As Boolean = False
Public _form As PlayCtrlForm = New PlayCtrlForm()
Public Sub SourceAudioFOURCCExample()
   Dim playctrl As PlayCtrl = _form.PlayCtrl
   Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_Source.avi")
   Dim txtInfo As String

   Try
      playctrl.SourceFile = inFile

      txtInfo = String.Format("Source video type {0}" & Microsoft.VisualBasic.Constants.vbLf _
                              & "Source audio type {1}" _
                              & Microsoft.VisualBasic.Constants.vbLf _
                              & "Source video FOURCC {2}" & Microsoft.VisualBasic.Constants.vbLf _
                              & "Source audio FOURCC {3}" _
                              & Microsoft.VisualBasic.Constants.vbLf _
                              + Microsoft.VisualBasic.Constants.vbLf _
                              & "Are these values correct?", _
                              playctrl.SourceVideoType, _
                              playctrl.SourceAudioType, _
                              playctrl.SourceVideoFOURCC, _
                              playctrl.SourceAudioFOURCC)

      _result = (MessageBox.Show(_form, txtInfo, "Test Verify", MessageBoxButtons.YesNo) = DialogResult.Yes)
   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 playctrl.State = PlayState.Running
      Application.DoEvents()
   Loop
End Sub

Public NotInheritable Class LEAD_VARS
Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media"
End Class

using Leadtools;
using Leadtools.MediaFoundation;
using LeadtoolsMediaFoundationExamples.Fixtures;

public bool _result = false;
public PlayCtrlForm _form = new PlayCtrlForm();
public void SourceAudioFOURCCExample()
{
   PlayCtrl playctrl = _form.PlayCtrl;
   string inFile =Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_Source.avi");
   string txtInfo;

   try
   {
      playctrl.SourceFile = inFile;

      txtInfo = string.Format("Source video type {0}\n" +
                              "Source audio type {1}\n" +
                              "Source video FOURCC {2}\n" +
                              "Source audio FOURCC {3}\n\n" +
                              "Are these values correct?",
                              playctrl.SourceVideoType,
                              playctrl.SourceAudioType,
                              playctrl.SourceVideoFOURCC,
                              playctrl.SourceAudioFOURCC);

      _result = (MessageBox.Show(_form, txtInfo, "Test Verify", MessageBoxButtons.YesNo) == DialogResult.Yes);
   }
   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 (playctrl.State == PlayState.Running)
      Application.DoEvents();
}

static class LEAD_VARS
{
public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media";
}

Target Platforms

Reference

PlayCtrl Class
PlayCtrl Members