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VideoProcessors Property

Summary

Gets the registered video processors collection object.

Syntax

C++/CLI

public VideoProcessors VideoProcessors { get; }

public: 
property VideoProcessors^ VideoProcessors { 
   VideoProcessors^ get(); 
}

Property Value

A VideoProcessors collection object representing the available video processors.

Remarks

Gets the Processors collection object, containing registered video processors. This VideoProcessors object is used to enumerate the available video and audio processing transforms.

Example

using Leadtools; 
using Leadtools.MediaFoundation; 
using LeadtoolsMediaFoundationExamples.Fixtures; 
 
 
public bool _result = false; 
public PlayCtrlForm _form = new PlayCtrlForm(); 
 
public void ProcessorsExample() 
{ 
   // reference the convert control 
   PlayCtrl playctrl = _form.PlayCtrl; 
 
   // input and output files 
   string inFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi"); 
 
   try 
   { 
      // disable auto start 
      playctrl.AutoStart = false; 
 
      // set the event handler for state changes 
      playctrl.StateChanged += new StateChangedEventHandler(PlayCtrl_StateChanged); 
      // set source file 
      playctrl.SourceFile = inFile; 
 
      // if we have a video stream 
      if ((playctrl.AllowedStreams & StreamFormatType.Video) == StreamFormatType.Video) 
      { 
         // add the first video processor for playback 
         playctrl.SelectedVideoProcessors.Add(playctrl.VideoProcessors[0]); 
         Processor vproc = playctrl.SelectedVideoProcessors[0]; 
 
         // set the video processor properties 
         if (vproc.HasDialog(ProcessorDlg.Properties)) 
            vproc.ShowDialog(ProcessorDlg.Properties, _form); 
      } 
 
      // if we have an audio stream 
      if ((playctrl.AllowedStreams & StreamFormatType.Audio) == StreamFormatType.Audio) 
      { 
         // add the first audio processor for playback 
         playctrl.SelectedAudioProcessors.Add(playctrl.AudioProcessors[0]); 
         Processor aproc = playctrl.SelectedAudioProcessors[0]; 
 
         // set the audio processor properties 
         if (aproc.HasDialog(ProcessorDlg.Properties)) 
            aproc.ShowDialog(ProcessorDlg.Properties, _form); 
      } 
 
      // start the playback now 
      playctrl.Run(); 
 
      // 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(); 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
} 
 
void PlayCtrl_StateChanged(object sender, StateChangedEventArgs e) 
{ 
   // set the result to what we expect 
   _result = (e.lastState == PlayState.Running && e.state == PlayState.Stopped); 
} 
 
static class LEAD_VARS 
{ 
   public const string MediaDir = @"C:\LEADTOOLS22\Media"; 
}

Requirements

Target Platforms

Reference

PlayCtrl Class

PlayCtrl Members

VideoProcessors Class

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Help Version 22.0.2022.12.7

Leadtools.MediaFoundation Assembly

Introduction

Getting Started

Namespaces

Leadtools.MediaFoundation Namespace

Leadtools.MediaFoundation.Common Namespace

Assemblies