Neville Scott wrote:
>
> Hi,
>
> I am using i2c-991123 and bttv-v4l2-000321 to simply capture PAL
> images from the composite source input using:
>
> vctrl /dev/video0 -w 384 -h 288 -b 24 -i 1 -p
> and
> vcrtl /dev/video0
> reports
> 384x288 @ 24 bpp from input 1 (composite(0))
> The inputs are: 0 = Television: 1 = Composite (0): 2 = S-Video:
> The video standard is PAL
> and
> cat /dev/video0 |rawtoppm -bgr 384 288 > image.ppm
> works just fine !!!
>
> However when I try to it set to 768x576x24 using:
> vctrl /dev/video0 -w 768 -h 576 -b 24 -i 1 -p
> then
> vctrl /dev/video0
> reports
> 384x288 @ 24 bpp from input 1 (composite(0))
> The inputs are: 0 = Television: 1 = Composite (0): 2 = S-Video:
> The video standard is PAL
>
> It appears that it doesn't accept the image size I set and of course my
> corresponding cat command ends up with a garbled image.
>
> Has the error in the attached /var/log/messages go anything to do with this ?
>
> Is there something I'm missing or is v4l2 vctrl and videodev unable to do
> 768x576x24 on a HauppaugeTV-GO ?
>
> Am I better off with V4L and not V4L2 and borrowing a capture application ?
>
> Any suggestions ?
>
> Best Regards
>
> Neville
Make sure you are using vctrl from the utils directory of the bttv-v4l2
distribution. Other versions may refuse to capture interlaced images.
-justin
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