LEADTOOLS Multimedia (Leadtools.Multimedia assembly) Send comments on this topic. | Back to Introduction | Help Version 17.0.3.22
SourceAudioFOURCC Property
See Also 
Leadtools.Multimedia Namespace > PlayCtrl Class : SourceAudioFOURCC Property



Gets the FOURCC format id for the the source audio.

Syntax

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

Property Value

A value representing a FOURCC code for the audio format.

Example

Visual BasicCopy Code
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 17\Media"
End Class
C#Copy Code
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 17\Media";
}

Remarks

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.

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