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Video capture with Direct show (DirectX 8)

Posted on 2001-09-14
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Last Modified: 2010-04-06
Hi!

I need source for video capture with DX

I've done it with vfw and it is out of the queston
no VFW !!!
it can contain any FREEware components with SOURCE
it must have the ability to capture a frame at any time
record AVI to disk (with compression as chosen ...)

I've used DSPack components but it's to robust
and the grabber demo just can't stop eating RAM !
I'd love to experiment, develop this .. but time is not something I have in a bundance

it can be written with DSPack .. but no memory leaks, and all the capabilities that I've mentioned

I don't need it to be flexible
just for capturing web cam input..
tnx
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Question by:Lee_Nover
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by:
mnasman earned 300 total points
ID: 6482198
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by:Dennis9
ID: 6482244
listening...
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by:alexstewart@beta
ID: 6482734
The graphics page of the Delphi Jedi has a dscap demo.

as
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by:Lee_Nover
ID: 6486730
sunu 4x

mnasman : been there, done that ... nothing works as I want it to (it's where I got vcap, dscap, ...)

dennis9 ... ya..

alex: been there, done that (demo uses vwf !)
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by:bullen
ID: 6486889
Listening
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Author Comment

by:Lee_Nover
ID: 6486938
You cannot exceed 300 points for any single question
????
anyway none of the components found works (as I want 'em to)
the thing is one requires dx8 but with it doesn't work at all (VCap)
others use VFW which is out of the question (the window has to be visible in order to get callbacks)
...
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Expert Comment

by:alexstewart@beta
ID: 6487536
Hmm Lee,

Can you put the vfw window offscreen (-500,-500), I used vfw, I dont remember needing a visible window, I just needed a handle.

I am going to play with the stuff tonight, maybe I will have something, if you dont hear from me, Dx8 trashed my machine.

as.
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by:Lee_Nover
ID: 6489596
nope .. the window MUST be visible
at least one pixel must be visible
anyway .. my app will run in backgroud
with DX it uses about 1% proc. if it's hidden
otherwise it depend on the size of the preview screen
and the preview is much more smoother
anyway I've modified the VCap component
aparentely I needed to rebuild the graph and control the sream with _CAPTURE not _PREVIEW paramters
the only problem is I still can't get single frames
I'll get this done today I think
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by:Lee_Nover
ID: 6661519
anyway .. TVideoCapture is rewriten ..
I've worked with the author and we worked stuff out ...
now the compo works great
get it at www.torry.net/video.htm
TVideoCapture 1.09
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by:Asta Cu
ID: 6931872
Hopefully you've already been helped with this question, but thought you'd appreciate knowing this.  It would be great if you could bring this question to a conclusion, awarding the experts above who helped you with points or a comment to them on your status today.

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Asta


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by:Lee_Nover
ID: 6936619
mnasman: sorry for the C, but your comment didn't solve my problem
tnx anyway

astaec: was just about to anyway :)
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