> > Likewise alternating fields are passed in transmitted = temporal order,
> > starting with what? One could check V4L2_BUF_FLAG_TOPFIELD/BOTFIELD, but
> > it seems they're gone.
>
> enum v4l2_field {
> [..]
> V4L2_FIELD_TOP = 2, /* top field only */
> V4L2_FIELD_BOTTOM = 3, /* bottom field only */
> [..]
> };
>
> Isn't that what you're looking for?
Exactly this I have in mind: If one uses V4L2_FIELD_ALTERNATE in S_FMT,
the driver will set buffer->field to V4L2_FIELD_TOP or V4L2_FIELD_BOTTOM
depending on what the field actually is.
> I hope this is clear.
If not I suggest to read the libjpeg docs ...
Gerd
--
You can't please everybody. And usually if you _try_ to please
everybody, the end result is one big mess.
-- Linus Torvalds, 2002-04-20
