Hi,
I have a new Canon Powershot G9 and I would like to use it as v4l
device. I know there is gphoto2 or the convert programm (not
Imagemagick) to access the camera. convert also creates a viewfinder
as GTK Window and you can see, what the camera sees in her viewfinder.
I now have the idea to use this ptp feature (redirecting the
viewfinder image to the ram and then read it out by a programm) to a /
dev/video device, which I can then access for example with xawtv or
something else.
My Problem is:
I don't know where to start. Is it possible to use the libptp in a
driver? There is this wall between kernel space and user space, isn't
it? Is it possible to access the cam's viewfinder via libptp and
redirect it to a / dev/video device? How can I "create" a device for
that?
Can someone of you give me a hint?
Would be great to get something from you.
Thanks.
Mike
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