Re: Genius Look 317

[CityK <cityk@rogers.com>]

Sergei Antonov wrote:
> Hi!
> I'm trying to make 'Genius Look 317' (0c45:60b0, gspca recognizes it)
> webcam work.
>
> v4lgrab.c (from linux-2.6.28.5\Documentation\video4linux) loops
> infinitely in this code:
>
>  do {
>    int newbright;
>    read(fd, buffer, win.width * win.height * bpp);
>    f = get_brightness_adj(buffer, win.width * win.height, &newbright);
>    if (f) {
>      vpic.brightness += (newbright << 8);
>      if(ioctl(fd, VIDIOCSPICT, &vpic)==-1) {
>        perror("VIDIOSPICT");
>        break;
>      }
>    }
>  } while (f);
>
> because variable 'f' is always non-zero.
> If I write 'while(0);' the resulting .ppm contains some random pixels
> in the top and the rest of the picture is black.
> Need help.

Hi, I'd re-title your message to include the fact that its a gspca based
webcam (to attract those developers attention) and send it off to the
linux-media mailing list (which is where discussion is transitioning to:
http://www.linuxtv.org/news.php?entry=2009-01-06.mchehab)

Cheers

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