[vtkusers] Re: Some question of the using of vtkWin32VideoSource

[zhangzhijun]

Dear david:

this is the header information:

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkWin32VideoSource.h,v $
  Language:  C++
  Date:      $Date: 2000/12/10 20:08:28 $
  Version:   $Revision: 1.7 $
  Thanks:    Thanks to David G. Gobbi who developed this class.

regards,
zj zhang

----- Original Message -----
From: David Gobbi <dgobbi at irus.rri.on.ca>
To: zhangzhijun <zjzhang at ee.cuhk.edu.hk>
Cc: <vtkusers at public.kitware.com>
Sent: Tuesday, May 22, 2001 2:28 AM
Subject: Re: Some question of the using of vtkWin32VideoSource


> Tell me which version of vtkWin32VideoSource.cxx you are using.
> The most recent revision is 1.10 (written at the top of the file).
> With older version you have to call ReleaseSystemResources() yourself
> (or explicitly delete the vtkWin32VideoSource) to ensure that VTK
> releases the driver.  With version 1.10, this is automatically done
> when the application exits.
>
>  - David
>
> On Tue, 22 May 2001, zhangzhijun wrote:
>
> > Dear david:
> >         But actually when I run the video.tcl the second time after I
reset
> > my computer , there will be the "can't find video card" .
> >         also I have use the multi-thread in a MFC based application
> > and every time in the work thread it will  gives a update message to
call
> > update redraw the video window, and in the update function for the video
> > window function these code is written: but I can only get a static image
in
> >  the video window, and it doesn't change with the frames of image
changes.
> >  and the program also turns to be very slow.
>
>