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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.MediaFoundation; 
using LeadtoolsMediaFoundationExamples.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.MP4"); 
 
   try 
   { 
      // set the input and output files 
      convertctrl.SourceFile = inFile; 
      convertctrl.TargetFile = outFile; 
 
      // select the target format 
      convertctrl.TargetFormat = TargetFormatType.MP4; 
 
      // select video and audio target formats for the output 
      int index = -1; 
      TargetVideoFormats targetvideoformats = convertctrl.TargetFormats[convertctrl.TargetFormat].VideoFormats; 
      index = targetvideoformats.IndexOf("{34363248-0000-0010-8000-00AA00389B71}");// H264 
      targetvideoformats.Selection = index; 
      TargetAudioFormats targetaudioformats = convertctrl.TargetFormats[convertctrl.TargetFormat].AudioFormats; 
      index = targetaudioformats.IndexOf("{00001610-0000-0010-8000-00AA00389B71}");// AAC 
      targetaudioformats.Selection = index; 
 
      // 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:\LEADTOOLS21\Media"; 
}

Imports Leadtools 
Imports Leadtools.MediaFoundation 
Imports LeadtoolsMediaFoundationExamples.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 MP4 target format 
      convertctrl.TargetFormat = TargetFormatType.MP4 
 
      ' select H264 video target format 
      Dim index As Integer = -1 
      Dim trgvideoformats As TargetVideoFormats = convertctrl.TargetFormats(convertctrl.TargetFormat).VideoFormats 
      index = trgvideoformats.IndexOf("{34363248-0000-0010-8000-00AA00389B71}") ' H264 
      trgvideoformats.Selection = index 
 
      ' select AAC audio target format 
      Dim trgaudioformats As TargetAudioFormats = convertctrl.TargetFormats(convertctrl.TargetFormat).AudioFormats 
      index = trgaudioformats.IndexOf("{00001610-0000-0010-8000-00AA00389B71}") ' AAC 
      trgaudioformats.Selection = index 
 
      ' 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:\LEADTOOLS21\Media" 
End Class

Requirements

Target Platforms

Reference

ConvertCtrl Class

ConvertCtrl Members

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Help Version 21.0.2021.7.2

Leadtools.MediaFoundation Assembly

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Leadtools.MediaFoundation Namespace

Leadtools.MediaFoundation.Common Namespace

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