#32 Overlay mixer doesn't work

open
nobody
None
5
2004-11-04
2004-11-04
Anonymous
No

I have a Sensoray 611 frame grabber and successfully
installed your WDM driver. It's very good. I like it,
however, I couldn't draw an overlay on video. I tested
my app. with nVidia's WDM driver and its FX5200
graphics card. My app. is working under the nVidia's.

I've got Pentium III 1 GHz machine with Windows 2000
that has two frame grabbers, one is an nVidia FX5200
and the other is the Sensoray 611. I directly created
Direct Show interfaces and the Overlay Mixer filter.

Furthermore, when I capture video image by switching
the video mode from preview mode to capture mode, and
take just one frame out of an AVI file and convert the
frame to a JPEG image, a captured image is horizontally
shifted, around 40 percent. I can still see the image
but it's shifted.

I verified my app. with the nVidia FX5200 card first
and then installed the Sensoray 611 in an empty PCI slot.

When I captured video through the AMCAP app. and then
played back on the media player, everything looked okay.

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