[mythtv-users] Re: PVR-250: Vertical green bands in recording
Andy Grundman
andy at hybridized.org
Wed Jan 14 18:34:07 EST 2004
Jason Miller wrote:
> On 14/01/04 18:03 -0500, IvanK. wrote:
>
>>On Wednesday 14 January 2004 05:47 pm, Andy Grundman wrote:
>>
>>>Douglas Beck wrote:
>>>
>>>>Hey, Andy. I have this problem when my card switches to 720x480
>>>>spontaneously from 640x480. I just make sure I'm not watching live tv
>>>>or recording anything and issue this command:
>>>>
>>>># /usr/lib/ivtv/test_ioctl -f width=640,height=480
>>>>
>>>>If you're running PAL you're going to have a different vertical res.
>>>>
>>>>Doug
>>>
>>>Interesting. I switched to 640x480 and the problem persisted. It was
>>>still there when I switched back to 720x480 too. :( I am going to try
>>>disconnecting the cable and rebooting. I had the cable guy over
>>>yesterday to install a new PVR box and he had to disconnect the cable
>>>outside for a few seconds. I think the problem might have started after
>>>that... maybe it confused the card somewhat. I have loaded and unloaded
>>>the module several times since then though, so it's a longshot.
>>
>>
>>Unlikely, that is disconnecting the cable outside the house caused the green
>>vertical lines. I believe it's a known bug in ivtv, cause many people have
>>experienced it. What is surprising is that different people report
>>differently colored bars -- mine are redish to pinkish (though I can't
>>remember when was the last time I had them). I remember someone else
>>reporting whitish patterns. Might be that whatever color the picture is,
>>that color will be the vertical lines as well. Just a conjecture on my part,
>>though.
>>
>>I'd suggest you get and compile the newest, released only last night,
>>ivtv-0.1.9 and try that.
>>
>>IvanK.
>
>
> I'm not sure this is the same issue but there is one banding problem that is
> solved by chaning inputs. Ie:
>
> 'test_ioctl -p <incorrect tuner>; sleep 5; test_ioctl -p <your correct tuner>'
>
> I believe there are still a lot of us with that in our crontab :)
That's a good idea... it might have worked without having to disconnect
the cable. I will try it if it happens again.
More information about the mythtv-users
mailing list