[mythtv-users] pvr-350: mythtv won't use /dev/video16

[Scott Anderson]

Some additional information:

2004-02-29 10:47:01 mythfrontend version: 0.14.20040123-1 www.mythtv.org
2004-02-29 10:47:01 Enabled verbose msgs : important general
2004-02-29 10:47:01 Registering Internal as a media playback plugin.
2004-02-29 10:47:01 Starting media monitor.
2004-02-29 10:47:05 Connecting to backend server: 127.0.0.1:6543 (try 1 
of 5)
2004-02-29 10:47:05 Using protocol version 1
2004-02-29 10:47:05 Using protocol version 1
2004-02-29 10:47:05 Using protocol version 1
2004-02-29 10:47:14 Opening OSS audio device '/dev/dsp'.
2004-02-29 10:47:14 Using XV port 74
2004-02-29 10:47:15 Changing from None to WatchingLiveTV
2004-02-29 10:47:20 Changing from WatchingLiveTV to None
2004-02-29 10:47:20 Changing from None to None

Where does the frontend keep its settings for the output device? And is 
there perhaps a higher debug level that I can enable to discover why it 
is preferring xv over /dev/video16? If not, I'll just put some printfs 
in and install from source, I suppose.

Regards,
-scott

Jarod C. Wilson wrote:

> On Feb 27, 2004, at 21:05, Scott Anderson wrote:
>
>> 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?
>
>
> Only thing that comes to mind is possibly a permissions problem on 
> /dev/video16. If you did the dd as root, you wouldn't have the 
> problem, but perhaps the user mythtv runs as doesn't have rw access to 
> that device.
>
>> 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?
>
>
> Nope, but I'd search the mailing list archive and/or the ivtv wiki.
>
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