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LINUX下非常有名的视频采集和显示源代码,直接安装后可以使用,效果很好

gqcam 0.9
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Gqcam is a program originally created to pull frames from a greyscale
Connectix QuickCam, but that has grown into a frame grabber for most any
Video4Linux compatible webcam-like camera.  It should work with any camera
that supports the read() method of grabbing frames from /dev/video and may
someday support mmap() too (if you have no idea what I am talking about
there, don't worry - you don't need to know about it to use the program).
Right now it is still in rather heavy development, but as of late I think
it is actually becoming quite useful and I even use it when I need a
picture.  Perhaps we are getting close to a stable release...  Anyway, if
you want some instructions on building gqcam and getting it to work with
your camera, read the included INSTALL file and have fun...

By the way, BIG thanks to Steve Romero for sending me his color camera to
work with.  That was a HUGE help.  Thanks!

Current Status:

Gqcam Features
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View live video: done
Change brightness: done
Change white balance: done
Change contrast: done
Change image size (3 settings): done
Change depth (2 settings): done
Freeze picture: done
Snap picture: done
Automatic brightness: NOT done.
Filters: NOT done
Support for color cameras: done
Timer: done
Anything else?

Overall
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At the moment this code is still very developmental.  I am releasing it to
get feedback on it and see what people think of it.  I realize that it
needs a _lot_ of cleaning up and a few things could be done better.  I am
open to suggestions on anything that looks _really_ funky...

-Cory Lueninghoener
[e-mail]