In This Topic ▼

UnrenderedStreams Property

Summary

Gets the streams that have not been rendered.

Syntax

C++

public virtual StreamFormatType UnrenderedStreams { get; }

Public Overridable ReadOnly Property UnrenderedStreams As StreamFormatType

public: 
virtual property StreamFormatType UnrenderedStreams { 
   StreamFormatType get(); 
}

Property Value

A combination of the StreamFormatType enumeration values, indicating unrendered streams.

Remarks

The value is a combination of the StreamFormatType enumeration values, indicating which streams have not been rendered.

Example

using Leadtools; 
using Leadtools.Multimedia; 
using LeadtoolsMultimediaExamples.Fixtures; 
 
public bool _result = false; 
public StreamFormatType _renderedStreams = StreamFormatType.None; 
public StreamFormatType _unrenderedStreams = StreamFormatType.None; 
public ConvertCtrlForm _form = new ConvertCtrlForm(); 
 
public void RenderedStreamsExample() 
{ 
   // reference the convert control 
   ConvertCtrl convertctrl = _form.ConvertCtrl; 
 
   string inFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_SourceVideoOnly.avi"); 
   string outFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_RenderedStreamsExample.avi"); 
 
   try 
   { 
      // set the input and output files 
      convertctrl.SourceFile = inFile; 
      convertctrl.TargetFile = outFile; 
 
      // select video and audio compressors for the output 
      convertctrl.VideoCompressors.H264.Selected = true; 
      convertctrl.AudioCompressors.AMR.Selected = true; 
 
      // run it! 
      convertctrl.StartConvert(); 
 
      // get the reported duration 
      _renderedStreams = convertctrl.RenderedStreams; 
      _unrenderedStreams = convertctrl.UnrenderedStreams; 
 
      // set the result to what we expect (for the sample source video we should render all streams) 
      _result = (_renderedStreams == StreamFormatType.Video && _unrenderedStreams == StreamFormatType.None); 
   } 
   catch (Exception) 
   { 
      _result = false; 
   } 
} 
 
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 _renderedStreams As StreamFormatType = StreamFormatType.None 
Public _unrenderedStreams As StreamFormatType = StreamFormatType.None 
Public _form As ConvertCtrlForm = New ConvertCtrlForm() 
 
Public Sub RenderedStreamsExample() 
   ' reference the convert control 
   Dim convertctrl As ConvertCtrl = _form.ConvertCtrl 
 
   Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_SourceVideoOnly.avi") 
   Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_RenderedStreamsExample.avi") 
 
   Try 
      ' set the input and output files 
      convertctrl.SourceFile = inFile 
      convertctrl.TargetFile = outFile 
 
      ' select the video and audio compressors for the output 
      convertctrl.VideoCompressors.H264.Selected = True 
      convertctrl.AudioCompressors.AMR.Selected = True 
 
      ' run it! 
      convertctrl.StartConvert() 
 
      ' get the reported duration 
      _renderedStreams = convertctrl.RenderedStreams 
      _unrenderedStreams = convertctrl.UnrenderedStreams 
 
      ' set the result to what we expect (for the sample source video we should render all streams) 
      _result = (_renderedStreams = StreamFormatType.Video AndAlso _unrenderedStreams = StreamFormatType.None) 
   Catch e1 As Exception 
      _result = False 
   End Try 
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

Download our FREE evaluation

Help Version 20.0.2020.4.2

Leadtools.Multimedia Assembly

Introduction

Getting Started

Namespaces

Leadtools.Multimedia Namespace

Leadtools.Multimedia.Common Namespace

Assemblies