LEADTOOLS Multimedia (Leadtools.Multimedia assembly)
LEAD Technologies, Inc

DVDecoderResolution Property (CaptureCtrl)

Example 





Gets or sets a DVResolution constant that represents the currently set DV Decoder resolution.
Syntax
public virtual DVResolution DVDecoderResolution {get; set;}
'Declaration
 
Public Overridable Property DVDecoderResolution As DVResolution
'Usage
 
Dim instance As CaptureCtrl
Dim value As DVResolution
 
instance.DVDecoderResolution = value
 
value = instance.DVDecoderResolution
public virtual DVResolution DVDecoderResolution {get; set;}
 get_DVDecoderResolution();
set_DVDecoderResolution(value);
public:
virtual property DVResolution DVDecoderResolution {
   DVResolution get();
   void set (    DVResolution value);
}

Property Value

An DVResolution value representing the DV Decoder resolution.
Example
Copy CodeCopy Code  
Public _result As Boolean = False
      Public _form As CaptureCtrlForm = New CaptureCtrlForm()
      Public Sub UsingDVDecoderExample()
         ' reference the capture control
         Dim capturectrl As CaptureCtrl = _form.CaptureCtrl

         ' output file
         Dim outFile As String = Path.Combine(LEAD_VARS.MediaDir, "CaptureCtrl_UsingDVDecoderExample.avi")

         Try
            ' set the video capture device, use your capture device name here
            If capturectrl.VideoDevices("USB") Is Nothing Then
               Throw New Exception("No USB video device available")
            End If

            capturectrl.VideoDevices("USB").Selected = True

            ' try to find a USB audio device
            If capturectrl.AudioDevices("USB") Is Nothing Then
               Throw New Exception("No USB audio device available")
            End If

            capturectrl.AudioDevices("USB").Selected = True

            ' set the video and audio compressors
            capturectrl.VideoCompressors.DVVideo.Selected = True
            capturectrl.AudioCompressors.AC3.Selected = True

            ' set the target output file and format
            capturectrl.TargetFile = outFile

            ' set the target output format
            capturectrl.TargetFormat = TargetFormatType.DVSDAVI

            ' check to see if we have a video compressor dialog and show it
            If capturectrl.HasDialog(CaptureDlg.VideoCompressor) Then
               capturectrl.ShowDialog(CaptureDlg.VideoCompressor, _form)
            End If

            ' check if we have can capture video and audio
            If capturectrl.IsModeAvailable(CaptureMode.VideoAndAudio) Then
               ' ready the capture graph
               capturectrl.ReadyCapture(CaptureMode.VideoAndAudio Or CaptureMode.InhibitRun)

               ' check to see if we are using the DVDecoder
               If capturectrl.UsingDVDecoder Then
                  ' set the DV resolution to full
                  capturectrl.DVDecoderResolution = DVResolution.Full
                  ' set the result
                  _result = True
               End If

               capturectrl.FrameRate = 5 ' 5 frames per second
               capturectrl.UseFrameRate = True
               capturectrl.TimeLimit = 10 ' just 10 seconds of capture time
               capturectrl.UseTimeLimit = True

               ' start the capture process
               capturectrl.StartCapture(CaptureMode.VideoAndAudio)
            End If

            ' 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 capturectrl.State = CaptureState.Running
               Application.DoEvents()
            Loop
         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 175\Media";
End Class
public bool _result = false;
      public CaptureCtrlForm _form = new CaptureCtrlForm();
      public void UsingDVDecoderExample()
      {
         // reference the capture control
         CaptureCtrl capturectrl = _form.CaptureCtrl;

         // output file
         string outFile = Path.Combine(LEAD_VARS.MediaDir,"CaptureCtrl_UsingDVDecoderExample.avi");

         try
         {
            // set the video capture device, use your capture device name here
            if (capturectrl.VideoDevices["USB"] == null)
               throw new Exception("No USB video device available");

            capturectrl.VideoDevices["USB"].Selected = true;

            // try to find a USB audio device
            if (capturectrl.AudioDevices["USB"] == null)
               throw new Exception("No USB audio device available");

            capturectrl.AudioDevices["USB"].Selected = true;

            // set the video and audio compressors
            capturectrl.VideoCompressors.DVVideo.Selected = true;
            capturectrl.AudioCompressors.AC3.Selected = true;

            // set the target output file and format
            capturectrl.TargetFile = outFile;

            // set the target output format
            capturectrl.TargetFormat = TargetFormatType.DVSDAVI;

            // check to see whether we have a video compressor dialog and show it
            if (capturectrl.HasDialog(CaptureDlg.VideoCompressor))
               capturectrl.ShowDialog(CaptureDlg.VideoCompressor, _form);

            // check whether we can capture video and audio
            if (capturectrl.IsModeAvailable(CaptureMode.VideoAndAudio))
            {
               // ready the capture graph
               capturectrl.ReadyCapture(CaptureMode.VideoAndAudio | CaptureMode.InhibitRun);

               // check to see whether we are using the DVDecoder
               if (capturectrl.UsingDVDecoder)
               {
                  // set the DV resolution to full
                  capturectrl.DVDecoderResolution = DVResolution.Full;
                  // set the result
                  _result = true;
               }

               capturectrl.FrameRate = 5;       // 5 frames per second 
               capturectrl.UseFrameRate = true;
               capturectrl.TimeLimit = 10;      // just 10 seconds of capture time
               capturectrl.UseTimeLimit = true;

               // start the capture process
               capturectrl.StartCapture(CaptureMode.VideoAndAudio);
            }

            // 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 (capturectrl.State == CaptureState.Running)
               Application.DoEvents();
         }
         catch (Exception)
         {
            _result = false;
         }
      }

static class LEAD_VARS
{
   public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 175\Media";
}
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

CaptureCtrl Class
CaptureCtrl Members

 

 


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