Update (bug): Re: [mythtv-users] pvr-350: mythtv won't use /dev/video16

[Scott Anderson]

This looks very much like a Myth bug.

I decided to go through myth-setup again. After I had finished 
configuring everything the same way I had the first time, I set X to use 
the framebuffer, and bingo: everything works (well, almost). Sound and 
video were perfect, as was the OSD.  There were some issues changing 
channels, but I'm reasonably certain I have that figured out.

So then I rebooted and myth-backend failed with MySQL errors. All of the 
configuration information was completely wiped out or something. So I 
set up the box again, same settings, and it did *not* work - XV was 
being used instead of /dev/video16. So I ran setup again, same settings, 
and this time it *did* work.

Very odd. Is anyone else running 0.14 with a PVR-350? I'm wondering if 
back-revving to 0.13 would help.

-scott

Scott Anderson wrote:

> Hi all,
>
> First time mythtv user... I decided to go all out and buy a pvr-350.
>
> I'm using ivtv 0.1.9 and mythtv 0.14 (debian binary package).
>
> Well, I have things to this point:
>
> 1) dd if=/dev/video of=/dev/video16 works wonderfully. Beautiful 
> picture, great sound.
> 2) mythfrontend runs on X, and I've set it up (ostensibly) to use the 
> pvr-350 /dev/video16 for output.
> 3) ivtv-fb works; I can set up the X server to use /dev/fb0 as a 
> screen and get the myth GUI on the TV set.
>
> The problem: mythtv refuses to use /dev/video16 for output, instead 
> using XV. The picture is, of course, horrible, and there is no sound. 
> I get the picture on the TV when using the framebuffer, and on the 
> monitor when I don't. I've tried turning the pvr-350 setting on and 
> off, but the log shows myth blithely going to XV either way.
>
> I've read a bazillion how-tos, as well as the mailing list archives... 
> have I missed something obvious?
>
> Also, I've been told that it's possible to get myth to run directly on 
> the framebuffer without X as an intermediary, but I haven't come 
> across any documentation describing the functionality. Does anyone 
> have a quick pointer?
>
> Thanks gratefully in advance,
> -scott
>
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