On 12/29/2014 02:33 PM, Ondrej Zary wrote:
> Hello,
> I'm working on an old driver called "qcamvc" for Connectix QuickCam VC
> webcams
> (parallel port and USB models), found here:
> http://sourceforge.net/projects/usb-quickcam-vc/
>
> Luckily, it was modified last year to compile with 3.x kernels.
>
> After trivial modification (mfr and model), it works with parallel-port
> QuickCam Pro (sort of - only at 320x240 and with vertical lines on the left
> and blank part at the top). I don't have QuickCam VC (yet).
>
> After removing a lot of code (it's now around 1200 [main] + 660 [parallel] +
> 320 [usb] lines), one problem still remains: in-kernel colour conversion with
> software contrast, hue, saturation and gamma.
>
> According to comments in the code, the camera sensor seems to have a CMYG
> filter, like no other linux-supported camera. So the proper way to support
> these cameras is to introduce a new pixel format, move the conversion to
> libv4lconvert and remove all controls not provided by hardware?
>
Correct.
Regards,
Hans
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