Re: V4L2 and norm switching

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Michael Hunold (hunold@xxxxxxxxxxxxxx):

> >  Wait, why S_FREQ?  Was that a typo?
> 
> No. S_FREQ heavily disturbes the capture process (it's very likely
> that frames are dropped), so IMHO it should be forbidden.

  Just a note on this, if the spec should be that capture should stop
before S_FREQ, you may as well not allow multiple opens on the device.
I know that most of the PVR apps are using this feature just for that:
have one process that continually captures, another controller app that
controls channel changes.

  -Billy




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