I found a nice little .dll that captures webcam input, and I've been toying around with manipulating the image in real time. I'm having a fair bit of fun with it... not as hard as I thought it would be, either.
Re: Anyone ever play around with video manipulation?
It's really just a matter of capturing each frame as it comes in, applying the desired filter and then displaying it. I hope you're using C++ for manipulation or the lag will be dreadful.
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Re: Anyone ever play around with video manipulation?
C#, and I can't complain. Sometimes it's slower than others, but I think that's just a webcam limitation. This thing is kinda old, and they aren't exactly known for mind-boggling framerates.
Re: Anyone ever play around with video manipulation?
i have a digital camera i paid $8 for that doubles as a web cam. Really crappy stuff. You need to be in daylight to get a good frame rate. Anyway i've done some video editing but nothing on a live feed.
Re: Anyone ever play around with video manipulation?
Originally Posted by MaximilianMayrhofer
I love C#, don't get me wrong, but image manipulation without some unsafe methods is going to definitely show a performance hit.
As it stands right now, running any of my filters has zero impact on the framerate. I haven't put a timer in to see exactly how fast the filtering is, but I'd imagine pretty fast. Maybe I'll do that a little later today.
Re: Anyone ever play around with video manipulation?
I found a library that handles webcam I/O at CodeProject... from there, I just figured out how they were doing their filters, and set mine up on the same basic idea. It's been working pretty well so far.
Re: Anyone ever play around with video manipulation?
I'm still working on a revised version of the iCam class I released agers ago. Will support video recording this time as well as custom filters, i've found it to be pretty interesting to work with. I will check out your upload when i get home.
Re: Anyone ever play around with video manipulation?
If you see anything I could be doing better, please do tell... I'm doing this strictly for fun (contradictory?), and I have a feeling it could turn into a whole lot of fun. I've seen some pretty cool stuff done with a webcam, and I love doing graphics stuff... this is just a merge of cool stuff!
that is the coolest thing ever. There is some multi-touch work being done using a web cam and projector to give a multi-touch interface. http://revision3.com/hak5/notfound/ start watching at about 14 minutes.
Re: Anyone ever play around with video manipulation?
Hmm... what do you think would happen if I tore an LCD screen apart and pulled out the display sheets, and used that instead of paper? Faux touch screen?
Re: Anyone ever play around with video manipulation?
Originally Posted by timeshifter
Hmm... what do you think would happen if I tore an LCD screen apart and pulled out the display sheets, and used that instead of paper? Faux touch screen?
you read my mind. I was wondering about that myself. I can only guess that it may trigger on colors you display on the screen.