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AllowedStreams Property

Summary

Gets or sets which streams can be converted.

Syntax

C++

public virtual StreamFormatType AllowedStreams { get; set; }

Public Overridable Property AllowedStreams As StreamFormatType

public: 
virtual property StreamFormatType AllowedStreams { 
   StreamFormatType get(); 
   void set (    StreamFormatType ); 
}

Property Value

A combination of StreamFormatType enumeration values.

Remarks

For a list of possible values, refer to the StreamFormatType enumerations. Individual values may be logically OR-ed to create a combination.

Example

using Leadtools; 
using Leadtools.Multimedia; 
using LeadtoolsMultimediaExamples.Fixtures; 
 
public bool _result = false; 
public ConvertCtrlForm _form = new ConvertCtrlForm(); 
 
public void TargetFormatsExample() 
{ 
   // reference the convert control 
   ConvertCtrl convertctrl = _form.ConvertCtrl; 
 
   // input and output files 
   string inFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi"); 
   string outFileDVDPath = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_TargetFormatsExample_DVD"); 
 
   try 
   { 
      // set the video capture device, use your capture device's name here 
      convertctrl.SourceFile = inFile; 
 
      // select video and audio compressors 
      convertctrl.VideoCompressors.Mpeg2.Selected = true; 
      convertctrl.AudioCompressors.AC3.Selected = true; 
 
      // select the DVD target format 
      TargetFormat tf = convertctrl.TargetFormats[TargetFormatType.DVD]; 
      tf.Selected = true; 
 
      // set the allow capture streams  
      convertctrl.AllowedStreams = tf.Streams; 
 
      // check it directly 
      TargetFormatType tft = convertctrl.TargetFormat; 
 
      // set the result to what we expect 
      _result = (tft == TargetFormatType.DVD); 
 
      // set the target file 
      convertctrl.TargetFile = outFileDVDPath; 
 
      // convert it now! 
      convertctrl.StartConvert(); 
   } 
   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:\Program Files (x86)\LEAD Technologies\LEADTOOLS 20\Media"; 
}

Imports Leadtools 
Imports Leadtools.Multimedia 
Imports LeadtoolsMultimediaExamples.Fixtures 
 
Public _result As Boolean = False 
Public _form As ConvertCtrlForm = New ConvertCtrlForm() 
 
Public Sub TargetFormatsExample() 
   ' reference the convert control 
   Dim convertctrl As ConvertCtrl = _form.ConvertCtrl 
 
   ' input and output files 
   Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi") 
   Dim outFileDVDPath As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_TargetFormatsExample_DVD") 
 
   Try 
      ' set the video capture device, use your capture device name here 
      convertctrl.SourceFile = inFile 
 
      ' select the video and audio compressors 
      convertctrl.VideoCompressors.Mpeg2.Selected = True 
      convertctrl.AudioCompressors.AC3.Selected = True 
 
      ' select the DVD target format 
      Dim tf As TargetFormat = convertctrl.TargetFormats(TargetFormatType.DVD) 
      tf.Selected = True 
 
      ' set the allowed capture streams  
      convertctrl.AllowedStreams = tf.Streams 
 
      ' check it directly 
      Dim tft As TargetFormatType = convertctrl.TargetFormat 
 
      ' set the result to what we expect 
      _result = (tft = TargetFormatType.DVD) 
 
      ' set the target file 
      convertctrl.TargetFile = outFileDVDPath 
 
      ' convert it now! 
      convertctrl.StartConvert() 
   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:\Program Files (x86)\LEAD Technologies\LEADTOOLS 20\Media" 
End Class

Requirements

Target Platforms

Reference

ConvertCtrl Class

ConvertCtrl Members

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Help Version 20.0.2020.4.2

Leadtools.Multimedia Assembly

Introduction

Getting Started

Namespaces

Leadtools.Multimedia Namespace

Leadtools.Multimedia.Common Namespace

Assemblies