UnrenderedStreams Property

Summary

Gets the streams that have not been rendered.

Syntax
C#
VB
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
C#
VB
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

Help Version 20.0.2019.11.25
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Leadtools.Multimedia Assembly