On Sunday 18 September 2005 13:13, Leonard Orb wrote:
> Hans Verkuil wrote:
> > You also have to specify -d /dev/video1 when querying with -X. Can you
> > try again? I looked at the 0.2.0-rc3k source and it should work. You
> > should also use the ivtvctl from the same version as the driver (if you
> > weren't doing that already).
>
> I just had copied the wrong lines. There was a recording on video0, and i
> queried both cards with the same results, then set video1 to -x 0 and
> there was no difference. With 0.2.0 both would ever say "vbi embedded in
> MPEG stream: on". The tools' version was always the same as the driver's
> version.
>
> But with 0.3.8 it looks like this:
> --->
> pvr:/usr/src/testing/utils$ ./ivtvctl -X
> ioctl IVTV_IOC_G_VBI_EMBED ok
> vbi embedded in MPEG stream: off
> <---
>
> > Anyway, these tests should be done without using embedded VBI. If the
> > dropouts happen only with embedded VBI then that would of course be a
> > strong indication of were to look.
>
> If the output of 0.2.0 is right and for whatever reason vbi embedding is
> always on for 0.2.0, then it is just the other way round: No drop outs
> with vbi and probs without it.
>
> Is there a chance to check for vbi data in the mpeg stream? Mplayer
> won't show any difference with vbi data turned on (just tested that with
> 0.3.8).
It's all a false alarm: the ivtvctl in 0.2.0 has a buggy implementation of the
-X option. It always reports on :-)
Hans
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