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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

A AudioProcessors object representing the audio processor collection.

Remarks

The AudioProcessors object is used to build a list of audio processing transforms to use during the conversion process. See AudioProcessors object for more details on processor collections.

Example

using Leadtools; 
using Leadtools.MediaFoundation; 
using LeadtoolsMediaFoundationExamples.Fixtures; 
 
 
public bool _result = false; 
public ConvertCtrlForm _form = new ConvertCtrlForm(); 
 
public void ProcessorsExample() 
{ 
   // reference the convert control 
   ConvertCtrl convertctrl = _form.ConvertCtrl; 
 
   // input and output files 
   string inFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi"); 
   string outFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_ProcessorsExample.avi"); 
 
   try 
   { 
      // set source file 
      convertctrl.SourceFile = inFile; 
 
      // set the selected video processor to the first one in the video processors list  
      convertctrl.SelectedVideoProcessors.Add(convertctrl.VideoProcessors[0]); 
      Processor vproc = convertctrl.SelectedVideoProcessors[0]; 
 
      // set the selected audio processor to the first one in the audio processors list  
      convertctrl.SelectedAudioProcessors.Add(convertctrl.AudioProcessors[0]); 
      Processor aproc = convertctrl.SelectedAudioProcessors[0]; 
 
      // 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); 
 
      // select MP4 target format 
      convertctrl.TargetFormat = TargetFormatType.MP4; 
 
      // select H264 video target format 
      int index = -1; 
      TargetVideoFormats targetvideoformats = convertctrl.TargetFormats[convertctrl.TargetFormat].VideoFormats; 
      index = targetvideoformats.IndexOf("{34363248-0000-0010-8000-00AA00389B71}");// H264 
      targetvideoformats.Selection = index; 
 
      // select AAC audio target format 
      TargetAudioFormats targetaudioformats = convertctrl.TargetFormats[convertctrl.TargetFormat].AudioFormats; 
      index = targetaudioformats.IndexOf("{00001610-0000-0010-8000-00AA00389B71}");// AAC 
      targetaudioformats.Selection = index; 
 
      // set the target output file and format 
      convertctrl.TargetFile = outFile; 
 
      // start the capture process 
      convertctrl.StartConvert(); 
 
      // 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(); 
 
      // set the result to what we expect 
      _result = File.Exists(outFile); 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string MediaDir = @"C:\LEADTOOLS23\Media"; 
}

Requirements

Target Platforms

Reference

ConvertCtrl Class

ConvertCtrl Members

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Help Version 23.0.2024.2.29

Leadtools.MediaFoundation Assembly

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Leadtools.MediaFoundation Namespace

Leadtools.MediaFoundation.Common Namespace

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