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SelectedAudioProcessors Property

Summary

Gets the selected audio processor collection object.

Syntax

C++/CLI

[EditorAttribute(System.Type, System.Type)] 
public AudioProcessors SelectedAudioProcessors { get; }

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

Property Value

An AudioProcessors object representing the audio processor collection.

Remarks

The AudioProcessors object is used to build a list of audio processing filters to use during the capturing process. For more information on audio processor collections, refer to AudioProcessors object.

Example

using Leadtools; 
using Leadtools.Multimedia; 
using LeadtoolsMultimediaExamples.Fixtures; 
 
 
public bool _result = false; 
public CaptureCtrlForm _form = new CaptureCtrlForm(); 
 
public void ProcessorsExample() 
{ 
   CaptureCtrl capturectrl = _form.CaptureCtrl; 
   string outFile = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_ProcessorsExample.avi"); 
 
   try 
   { 
      // try to find a USB camera 
      if (capturectrl.VideoDevices["USB"] == null) 
         throw new Exception("No USB video device available"); 
 
      capturectrl.VideoDevices["USB"].Selected = true; 
 
      // try to find a USB audio device 
      if (capturectrl.AudioDevices["USB"] == null) 
         throw new Exception("No USB audio device available"); 
 
      capturectrl.AudioDevices["USB"].Selected = true; 
 
      // set the video processor to the Dizzy filter  
      capturectrl.SelectedVideoProcessors.Add(capturectrl.VideoProcessors.EFXDizzy); 
      Processor vproc = capturectrl.SelectedVideoProcessors.EFXDizzy; 
 
      // set the audio processor to the Chorus filter  
      capturectrl.SelectedAudioProcessors.Add(capturectrl.AudioProcessors.Chorus); 
      Processor aproc = capturectrl.SelectedAudioProcessors.Chorus; 
 
      // set the video processor properties 
      if (vproc.HasDialog(ProcessorDlg.Properties)) 
         vproc.ShowDialog(ProcessorDlg.Properties, _form); 
 
      // set the audio processor properties 
      if (aproc.HasDialog(ProcessorDlg.Properties)) 
         aproc.ShowDialog(ProcessorDlg.Properties, _form); 
 
      // set MPEG2 as the video compressor 
      capturectrl.VideoCompressors.Mpeg2.Selected = true; 
 
      // set AC3 as the audio compressor 
      capturectrl.AudioCompressors.AC3.Selected = true; 
 
      // set the target output file and format 
      capturectrl.TargetFile = outFile; 
 
      // set the target output format 
      capturectrl.TargetFormat = TargetFormatType.AVI; 
 
      // check whether we can capture video 
      if (capturectrl.IsModeAvailable(CaptureMode.VideoAndAudio)) 
      { 
         capturectrl.FrameRate = 5;       // 5 frames per second  
         capturectrl.UseFrameRate = true; 
         capturectrl.TimeLimit = 10;      // just 10 seconds of capture time 
         capturectrl.UseTimeLimit = true; 
 
         // subscribe to the complete event 
         capturectrl.Complete += new EventHandler(CaptureCtrl_Complete); 
 
         // start the capture process 
         capturectrl.StartCapture(CaptureMode.VideoAndAudio); 
 
         // 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 (capturectrl.State == CaptureState.Running) 
            Application.DoEvents(); 
      } 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
} 
 
public void CaptureCtrl_Complete(object sender, EventArgs e) 
{ 
   // set result 
   _result = true; 
} 
 
static class LEAD_VARS 
{ 
   public const string MediaDir = @"C:\LEADTOOLS23\Media"; 
}

Requirements

Target Platforms

Reference

CaptureCtrl Class

CaptureCtrl Members

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Help Version 23.0.2024.2.29

Leadtools.Multimedia Assembly

Introduction

Getting Started

Namespaces

Leadtools.Multimedia Namespace

Leadtools.Multimedia.Common Namespace

Assemblies