[mythtv] IVTV VBI reading

Daniel Kristjansson danielk at cuymedia.net
Tue Jun 12 22:18:04 UTC 2007

On Mon, 2007-06-11 at 10:19 -0700, Bruce Markey wrote:
> Bruce Markey wrote:
> > Hans Verkuil wrote:
> >>>>  but scaling does introduce slight amount of
> >>>> ghosting. Whether this is a driver, firmware or hardware bug is
> >>>> something that I need to look into one of these days.

> While doing some other unrelated testing, I set my myth recording
> profiles for "MPEG-2 Encoders (PVR-250, PVR-350)" (ivtv) to widths
> lower than 720. I noticed that I didn't notice any of the broken,
> misaligned frames described earlier in this thread. Therefore, I
> also tried different temporal_filter values and didn't see any
> ghosting for 8, 12 or 24 for resolutions 352x480, 480x480 or 544x480. 

I believe Hans now disables the filter in the driver when
using resolutions it doesn't work at. Or at least that was
what I gathered his plan was from the discussions on the
ivtv mailing about 6 months back.

-- Daniel

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