[mythtv-users] Performance of the HD MPEG2 decoders

[Todd Ignasiak]

On 11/18/05, Cymen Vig <cymenvig at gmail.com> wrote:
> On 11/18/05, Todd Ignasiak <ignasiak at gmail.com> wrote:
> > On 11/17/05, Robert Tsai <rtsai1111 at comcast.net> wrote:
> <snip>
> > >         http://www.gossamer-threads.com/lists/mythtv/users/127168
> > >
> > > --Rob
> >
> > Thanks for the link.  I missed that thread in all my searches.  There
> > is a lot of good AMD64 info there.
> >
> > I guess ffmpeg is optimized for 64 bit, libmpeg2 is not, so that
> > explains the performance I'm seeing.
> >
> >
> > Now, if I could find a solution for the stuttering related to XvMC +
> > OSD, I would be all set.
>
> What version of mythtv are you running? The current stable release has
> the known bug with XvMC and the OSD. If you use the SVN version
> (search around -- I think 7738 or 7739 was the latest before Live TV
> was disabled for development work *) you'll get a grayscale OSD but
> the stutter is pretty much gone.
>
> Maybe the above is common knowledge but I was surprised to see the
> option to enable XvMC but no warnings about the stutter issue. Perhaps
> I missed a glaring warning and rationally, an 0.18.1 release is
> supposed to have issues so I'm not *too* surprised.
>
> (*) I'm not certain about this -- maybe Live TV is fixed in current SVN.
>

I'm using SVN 7737, which was shortly before Live TV was disabled, but
I don't think it was the last one before the change.       I'll check
it out tonight & see if I'm getting the grayscale OSD  (gray OSD would
be fine with me, if it enabled smooth playback all the time).