public virtual bool ForceNoRecompressionPreview { get; set; }
Public Overridable Property ForceNoRecompressionPreview As Boolean
true if Forcing No Recompression Preview is enabled; false, otherwise.
Enabling this property slows down the file conversions. Use this when converting input streams without recompression. The default value is false.
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;
public bool _result = false;
public ConvertCtrlForm _form = new ConvertCtrlForm();
public void ForceNoRecompressionPreviewExample()
{
// reference the convert control
ConvertCtrl convertctrl = _form.ConvertCtrl;
// input and output files
string inFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_Source.avi");
string outFile = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_ForceNoRecompressionPreviewExample.avi");
try
{
// set the source for conversion
convertctrl.SourceFile = inFile;
// set the target output format
convertctrl.TargetFormat = TargetFormatType.ISO;
// no recompression for video and audio
convertctrl.VideoCompressors.Selection = -1;
convertctrl.AudioCompressors.Selection = -1;
// set the target output file and format
convertctrl.TargetFile = outFile;
// enable preview
convertctrl.Preview = true;
// force preview to be active even the conversion is without recompression
convertctrl.ForceNoRecompressionPreview = true;
// start convert
convertctrl.StartConvert();
// set the result
_result = true;
}
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:\LEADTOOLS21\Media";
}
Imports Leadtools
Imports Leadtools.Multimedia
Imports LeadtoolsMultimediaExamples.Fixtures
Public _result As Boolean = False
Public _form As ConvertCtrlForm = New ConvertCtrlForm()
Public Sub ForceNoRecompressionPreviewExample()
' 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 outFile As String = Path.Combine(LEAD_VARS.MediaDir, "ConvertCtrl_ForceNoRecompressionPreviewExample.avi")
Try
' set the source for conversion
convertctrl.SourceFile = inFile
' set the target output format
convertctrl.TargetFormat = TargetFormatType.ISO
' no recompression for video and audio
convertctrl.VideoCompressors.Selection = -1
convertctrl.AudioCompressors.Selection = -1
' set the target output file and format
convertctrl.TargetFile = outFile
' enable preview
convertctrl.Preview = True
' force preview to be active even though the conversion is without recompression
convertctrl.ForceNoRecompressionPreview = True
' start convert
convertctrl.StartConvert()
' set the result
_result = True
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:\LEADTOOLS21\Media"
End Class
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
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Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
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