HP EW192AA Webcam Logo
Posted on Sep 14, 2008
Answered by a Fixya Expert

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DirectShow amcap sample fail to run my HP web cam.

Hi,
I would like to capture from a web cam from my app.
I started by trying to run it from the DirectShow amcap sample but It fails. My HP web cam works well with the release version of amcap but not with the dedbug version.
I am not familiar with DirectShow. Can someone help me understand what is the problem?
Here are the details :
The amcap crash on InitCapFilters(). The method that crashed is :
hr = gcap.pmVideo->BindToObject(0, 0, IID_IBaseFilter, (void**)&gcap.pVCap);
gcap.pmVideo looks ok.
At first, I got this message : First-chance exception at 0x7c90eb74 in amcap.exe: 0xC0000008: An invalid handle was specified.
I pressed continue and a second message is pop up : Unhandled exception at 0x7c90eb74 in amcap.exe: 0xC0000008: An invalid handle was specified.
If I press continue again and check the error using GetLastError(), the return value is : 1170 = The property set specified does not exist on the object.
Thanks in advance,
Udi Raz

1 Answer

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  • Posted on Apr 20, 2009
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Normal 0 Double Click on this site
http://www.free-codecs.com/download/AMCap.htm
to download the Free AMCAP Video Capture Program.
AMCap v9.20 AMCap is a small yet fully functional video capture application compatible with Microsoft DirectShow. It is based on the sample AMCap from the Microsoft DirectX 9 SDK. AMCap supports still captures to BMP, JPEG and PNG formats and it remembers your Video Input, Video Standard and Video size settings from previous session. It has some nice features like multimonitoring support, zooming, aspect ratio and deinterlacing features.

AMCap is a small and effictive piece of software and definitely worth trying. Hope this will help. Bud

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