[mythtv] MythTV & R5000-HD

Mark Buechler mark.buechler at gmail.com
Wed Sep 24 11:01:10 UTC 2008


On Tue, Sep 23, 2008 at 12:08 PM, Alan Nisota <alannisota at gmail.com> wrote:

> Info at quantum-sci.com wrote:
> > On Monday 22 September 2008 12:28:07 Alan Nisota wrote:
> >
> >> I expect to start working on R5000 (and coreavc) stuff again in a few
> weeks.
> >>
> >
> > Good to know, thanks Alan.
> >
> >
> > Configuring MythTV with R5000 patches, I am stumped...  it says to run
> the configure script first, but eh, that is what I was running.  It does not
> recognize my libfftw3 support even with the -dev installed, and root is not
> being allowed to create symlinks (Kubuntu 8.10a5):
> >
> ...
> > R5000 support             yes
> >
> This is good at least.  Your problems likely have nothing to do with the
> R5000 patches, since no symlinks are changed when applying the patch.
> One thing to note about the R5000.  Make sure that you use the r5ktest
> application to verify everything works before testing it in mythtv.
> You should be able to toggle power, change channels, detect the serial
> number, and capture streams.  If you can't do that with r5ktest, you
> won't get it working with mythtv.
> Playback of HD streams can be tricky, since the players I've tried don't
> like them (mplayer, xine with dshowserver patch).  In my testing, Myth
> plays back better than most when using coreavc
> with the dshowserver patch, but it has its own limitations (mostly fast
> forward and commercial detection don't work), and user expereince with
> coreavc in linux is highly mixed.
> I am not sure whether the recent ffh264 patches on this list will make
> playback possible, but it would sure make things easier if they do.
>  <http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev>

Playback is perfect with the latest ffmpeg merge without using coreavc.
However, you'll need a faster CPU since ffmpeg won't spread the decoding
across 2 or more CPUs whereas coreavc can use two CPUs to decode.

- Mark.
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