In This Topic ▼

SourceAudioFOURCC Property

Summary

Gets the FOURCC format id of the source audio.

Syntax

C++

public virtual int SourceAudioFOURCC { get; }

Public Overridable ReadOnly Property SourceAudioFOURCC As Integer

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

Property Value

A value representing a FOURCC code for the audio format.

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.

Example

using Leadtools; 
using Leadtools.MediaFoundation; 
using LeadtoolsMediaFoundationExamples.Fixtures; 
 
public bool _result = false; 
public ConvertCtrlForm _form = new ConvertCtrlForm(); 
 
public void SourceAudioFOURCCExample() 
{ 
   ConvertCtrl convertctrl = _form.ConvertCtrl; 
   string inFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi"); 
   string txtInfo; 
 
   try 
   { 
      convertctrl.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?", 
                              convertctrl.SourceVideoType, 
                              convertctrl.SourceAudioType, 
                              convertctrl.SourceVideoFOURCC, 
                              convertctrl.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 (convertctrl.State == ConvertState.Running) 
      Application.DoEvents(); 
} 
 
static class LEAD_VARS 
{ 
   public const string MediaDir = @"C:\LEADTOOLS21\Media"; 
}

Imports Leadtools 
Imports Leadtools.MediaFoundation 
Imports LeadtoolsMediaFoundationExamples.Fixtures 
 
Public _result As Boolean = False 
Public _form As ConvertCtrlForm = New ConvertCtrlForm() 
 
Public Sub SourceAudioFOURCCExample() 
   Dim convertctrl As ConvertCtrl = _form.ConvertCtrl 
   Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi") 
   Dim txtInfo As String 
 
   Try 
      convertctrl.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?", 
                              convertctrl.SourceVideoType, 
                              convertctrl.SourceAudioType, 
                              convertctrl.SourceVideoFOURCC, 
                              convertctrl.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 convertctrl.State = ConvertState.Running 
      Application.DoEvents() 
   Loop 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const MediaDir As String = "C:\LEADTOOLS21\Media" 
End Class

Requirements

Target Platforms

Reference

ConvertCtrl Class

ConvertCtrl Members

Download our FREE evaluation

Help Version 21.0.2021.7.2

Leadtools.MediaFoundation Assembly

Introduction

Getting Started

Namespaces

Leadtools.MediaFoundation Namespace

Leadtools.MediaFoundation.Common Namespace

Assemblies