On Wednesday 06 February 2008 08:24:07 Levente Novák wrote:
> This is something I do not quite understand: why is the temporal
> filter set initially to 8, since this produces ghosting and jerky
> movement most of the time? Setting it to 0 (or to 1-4) produces far
> better results for me, but judging from the freevo as well as other
> mailing lists most people do likewise.
This value was copied from the Windows driver and I've never seen
problems with it (at least not with PAL), provided you capture at full
resolution (720x480/576). If you capture at less than the full
resolution, then the temporal filter should be set to 0. Some older
kernels did not do this which led to ghosting, but anything after
2.6.20 or so should work well.
>
> Levente
>
> PS: is there a module parameter for switching the filter off, or
> should I always use v4l2-ctl for this purpose?
v4l2-ctl is the only way to change it.
Regards,
Hans
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