[mythtv-users] PVR-150 not recording the entire screen

[Paul Harvey]

Scaling was just fixed in one of the more recent 0.3.3 version of the
IVTV driver.  "Scaling" in versions prior to that did cropping.

On 4/26/05, Al Faller <faller at alfaller.com> wrote:
> Hi all -
> 
> Just this weekend I upgraded from an analog haupphauge card to a PVR-150.
> It *almost* works fine.  It appears to be recording at something slightly
> larger than 720x480, as even 720x480 appears to be missing a few lines
> (not enough to really complain about).  Ideally I would like to work at
> 480x480, but this is even worse when it comes to chopping the recording.
> 
> I am using the ivtv-0.2.0-rc3j drivers (which contain the pvr-150
> backport) on a debian sarge machine running 2.6.11.  I'm in the USA, so
> NTSC is the format I am working in.  I switched to the recommended
> firmware from ivtv, but still the same results.
> 
> I see the following output in dmesg which pops up every time I try to
> record something:
> 
> cx25840: Decoder set size 720x480 (from 720x487) -> scale  0x65529, filter
> 0
> 
> So, I am guessing that it really isn't downshifting from the 720x487 it
> claims to be using (although ivtvctl never says that value - it says the
> one I last used).  I see the same 720x487 when attempting to have myth use
> 480x480 to record in.  This occurs in both live and recorded shows.
> 
> I also tested it via the simple "cat /dev/video > file.mpg" test, and even
> after forcing it to 480x480 with ivtvctl, it still chops the screen.  its
> hard to tell if it was chopping the screen at 720x480 because it is only a
> few lines.
> 
> Has anyone successfully made the pvr-150 work properly with mythtv for
> NTSC?  Any recommendations on what to try (maybe the newer ivtv drivers?).
> 
> I appreciate in advance any help!  Also, thats for such a great piece of
> software.  I absolutely love playing with all this stuff.
> 
> Al
> 
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