SourceStream Property (PlayCtrl)

Visual Basic
C#
C++/CLI

'Declaration
 
Public Overridable Property SourceStream As Stream

'Usage
 
Dim instance As PlayCtrl
Dim value As Stream
 
instance.SourceStream = value
 
value = instance.SourceStream

public virtual Stream SourceStream {get; set;}

public:
virtual property Stream^ SourceStream {
   Stream^ get();
   void set (    Stream^ value);
}

Property Value

A System.IO.Stream object for the media source stream.

Use this property to assign a Stream-derived object as the media source for the conversion process. The SourceType will be set to SourceObjectType.Stream. Assignment can raise an error exception. For more information, refer to the Error Codes. Note: When setting this property, the Play control must be in the stopped state.

Visual Basic
C#
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools
Imports Leadtools.Multimedia
Imports LeadtoolsMultimediaExamples.Fixtures

Public _result As Boolean = False
Public _form As PlayCtrlForm = New PlayCtrlForm()
Public Sub SourceStreamExample()
   ' reference the play control
   Dim playctrl As PlayCtrl = _form.PlayCtrl

   ' input and output file names
   Dim inFile As String = Path.Combine(LEAD_VARS.MediaDir, "PlayCtrl_Source.avi")

   Try
      ' turn off auto start
      playctrl.AutoStart = False

      ' subscribe to the complete event to check our result
      AddHandler playctrl.MediaEvent, AddressOf PlayCtrl_MediaEvent

      ' set the source stream
      playctrl.SourceStream = New StreamReader(inFile).BaseStream

      ' set the allowed streams
      playctrl.AllowedStreams = StreamFormatType.AudioVideoCC

      ' play it!
      playctrl.Run()
   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 playctrl.State = PlayState.Running
      Application.DoEvents()
   Loop
End Sub

Private Sub PlayCtrl_MediaEvent(ByVal sender As Object, ByVal e As MediaEventArgs)
   ' set the result
   If e.eventCode = MediaEventCode.EC_COMPLETE Then
      _result = True
   End If
End Sub

Public NotInheritable Class LEAD_VARS
Public Const MediaDir As String = "C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media"
End Class

using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;

public bool _result = false;
public PlayCtrlForm _form = new PlayCtrlForm();
public void SourceStreamExample()
{
   // reference the play control
   PlayCtrl playctrl = _form.PlayCtrl;

   // input and output file names
   string inFile = Path.Combine(LEAD_VARS.MediaDir,"PlayCtrl_Source.avi");

   try
   {
      // turn off auto start
      playctrl.AutoStart = false;

      // subscribe to the complete event to check our result
      playctrl.MediaEvent += new MediaEventHandler(PlayCtrl_MediaEvent);

      // set the source stream
      playctrl.SourceStream = new StreamReader(inFile).BaseStream;

      // set the allowed streams
      playctrl.AllowedStreams = StreamFormatType.AudioVideoCC;

      // play it!
      playctrl.Run();
   }
   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 (playctrl.State == PlayState.Running)
      Application.DoEvents();
}

void PlayCtrl_MediaEvent(object sender, MediaEventArgs e)
{
   // set the result
   if (e.eventCode == MediaEventCode.EC_COMPLETE)
      _result = true;
}

static class LEAD_VARS
{
public const string MediaDir = @"C:\Program Files (x86)\LEAD Technologies\LEADTOOLS 18\Media";
}

Target Platforms

Reference

PlayCtrl Class
PlayCtrl Members
ResetSource Method