NUERNBERGER CHRISTOPHER PETER wrote:

> How to set the channel type (us-cable, etc.) and the actual channel using
> the V4L2 API?  The documentation didn't say very much.  Chris

http://www.thedirks.org/v4l2/v4l2cap.htm

Use VIDIOC_G_TUNER to see if the input has a tuner, and 
VIDIOC_S_FREQUENCY to adjust it.  The actual channel<->frequency mapping 
is done in userspace.  xawtv has a fairly complete mapping.

-justin



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