[mythtv-users] mythtv newer than 0.21 (july2008) screws up PVR500 picture

Kevin Kuphal kkuphal at gmail.com
Mon Nov 16 22:49:14 UTC 2009

On Mon, Nov 16, 2009 at 4:40 PM, Matt Beadon <matt.beadon at gmail.com> wrote:

> > My backend uses a PVR500 PCI card. It works nicely with the
>> > ivtv driver and it has been so for as long as I can
>> > remember.
>> >
>> > However, mythtv is now screwing up the picture whenever I
>> > watch liveTV. If I do not use mythbackend, just use a cat
>> > /dev/video0 or 1 > somefile.mpg and play this back with
>> > say mplayer, it is as nice as usual. As soon as I use
>> > mythtv, the picture gets scrambled, as if something was
>> > wrong with VBI.
> Maybe if you sent the relevant dmesg output and the mythtv frontend/backend
> logs during the problem people might have a better chance of helping out.
> I'm using a PVR500 with 0.22 and have no problems with it and I'm sure
> there are others using the card.  I'm guessing there's something
> unusual/broken about your config.

I believe also that 0.22 uses the latest IVTV IOCTL and such.  Would also be
worth ensuring you are on the latest version of the IVTV driver and not an
older version that maybe shipped with the OS.

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