On Wednesday 20 February 2008 06:21:24 Warren Sturm wrote:
> On Sat, 2008-02-16 at 09:26 -0500, Andy Walls wrote:
> > Warren Sturm wrote:
> > > I am also running fedora 8 x86_64. The cx18 driver compiles and
> > > loads except I have not compiled it for the last release of the
> > > kernel yet. The firmware was obtained via the link on the cx18
> > > page. I have not been able to get it to work reliably with
> > > mythtv. There is a message about a select timeout that happens
> > > twice about every 40 seconds.
> >
> > I plan on working the MythTV problem for myself as time permits
> > this weekend. Something in the MPEGRecorder class in
> > mpegrecorder.cpp probably needs to be fixed. I doubt lengthening
> > the select timeout will work - the one that's there is already
> > pretty long.
> >
> > My plan is to turn on debug flags for ivtv and cx18 modules and do
> > a differential comparison, to figure out where MythTV's
> > MPEGRecorder class may be failing to set up the cx18 properly.
> >
> > If I can find and fix the problem, I'll post a MythTV patch here.
>
> It almost looks like there should be a similar set of modules for the
> cx18 as there is for ivtv. I think the reason the ivtv driver is
> involved is because in setup we are attempting to piggyback off the
> PVR150,250,350 cardtype in mythtv-setup
The behavior of cx18 is very similar to ivtv. Not surprisingly since the
cx23418 and cx23415/6 share the same MPEG encoder hardware. So they
both have almost identical features.
It suspect it might be something simple why MythTV won't work with the
cx18.
Regards,
Hans
>
> > > I did try a dd from the /dev/video0 device to a file for a few
> > > minutes and then mplayer that file and there were no timeouts.
> > > mplayer directly
> > > against /dev/video0 would eventually display rubbish and the
> > > sound is way out of synch.
> >
> > Hmm. My computer sometimes, but rarely, does that with mplayer and
> > ivtv after a brief period of high cpu load during playback. I have
> > never encountered it with ivtv and MythTV - go figure. I have a
> > dual-core processor so maybe that makes a difference with mplayer -
> > I don't know.
> >
> > -Andy
> >
> >
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>
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