[mythtv-users] artifacts in pvr-150 recordings, only recently

[John Drescher]

On Tue, Mar 10, 2009 at 9:59 PM,  <jarpublic at gmail.com> wrote:
> At this point I am out of ideas. Almost all of my recordings are
> corrupt. One or two have slipped through unscathed. The only thing I
> haven't tried yet is changing the PCI latency. I haven't found a good
> guide on how to do this, although many older post suggest this is
> often a problem. Is that worth looking into? Most recently the audio
> has started to drop out occasionally. It will just be static for a
> very brief moment. Could there be issues with the analog signal that
> would cause the intermittent macroblocking and now the audio drop outs
> (I don't see them on my regular TV)? Or is my pvr-150 just dying? Has
> anybody seen a capture card die with this type of behavior? What is
> the best way to test the card, perhaps outside of mythtv to eliminate
> as many variables as possible? I have a couple of other windows and
> linux pcs, but they aren't setup with mythtv.
>

How about direct recording from the card with ivtv or direct playing
with mplayer


mplayer /dev/video0

with mythbackend stopped.

or

cat /dev/video0 > mpeg.mpg

then hit ctrlc after 1 hour.

John