Re: video4linux: planB
the picture doesnt look like a format problem, more like you are
capturing more than one frame for some reason...
david
On Thu, 2004-04-22 at 16:43, dylan wrote:
> hi!
>
> i am trying to get video4linux to work on an old powermac, using the
> built-in planB video digitizer...
>
> i can get webcam to capture frames from the device, but the colors are all
> messed up, and the alignment is a little wrong...
> here is a sample: http://iici.no-ip.org/~dylan/webcam.jpg
>
> ...could this be a PAL/NTSC problem?
>
> also, i have noticed while trying to use certain video capture programs such
> as hasciicam, i get the following output:
>
> ----------------------------------------------------
> -- detecting hardware
> Device used is /dev/video
> Apple PlanB Video-In
> 2 channels detected
> maximum capture size is 768x576
> minimum capture size is 32x32
> Video capabilities:
> VID_TYPE_CAPTURE can capture to memory
> VID_TYPE_OVERLAY can overlay its image onto the frame buffer
> VID_TYPE_CLIPPING overlay clipping supported
> VID_TYPE_FRAMERAM overlay overwrites frame buffer memory
> VID_TYPE_SCALES supports image scaling
>
> -- going capture
> grabbed image is 160x80 - ascii context is 80x40
> using LIVE mode
>
> ioctl VIDIOCMCAPTURE: Invalid argument
> ----------------------------------------------------
>
> does anyone have any ideas on what that last error is all about?
>
> thanks in advance!
>
> dylan
>
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