[mythtv-users] Surely 2x P3 1Ghz is ENOUGH!!!
Steve Smith
st3v3.sm1th at gmail.com
Tue Jul 10 10:52:43 UTC 2007
On 10/07/07, David Watkins <watkinshome at gmail.com> wrote:
>
> On 10/07/07, Steve Smith <st3v3.sm1th at gmail.com> wrote:
> >
> >
> > Folks,
> >
> > I'm trying to get SD playback (yes that's SD!) to my TV working
> smoothly.
> >
> > My current track is to use a PVR-350. That works fine for stuff sourced
> from
> > my PVR-350 or PVR-150,
> > but for content from my DVB-T card the 350 can't play the TS streams.
> >
> >
> >
> > I'm trying to play MPEG TS streams using the 350.
> > At the moment it's playing using XVideo.
> > Spec is: 2x Pentium 3 1Ghz
> > 1 Gig RAM
> > Mythbuntu sourced 0.20-fixes
> >
> > But I'm regularly getting stuttering, with CPU utilisation exceeding 1
> > processor. The playback logs indicate
> > that the video is ahead of the audio.
> >
> > Surely a single 1Ghz P3 is enough to playback ordinary SD content?
> >
> > Anyone got any tips here?
>
> Try doing a lossless transcode on your DVB material before you play it
> back on the PVR-350. I believe this does a TS->PS conversion. Under
> the transcoder setup I made sure the mpeg2 autodetect transcoder was
> set to lossless, then when watching the recording press 'M' for menu
> and select 'Transcode'. I always do this before re-encoding (eg to
> DVD or onto my PSP) ; it seems to make the recordings more 'friendly'
> to other software, so it may help in your case.
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David,
Thanks for that I hadn't spotted the "lossless" setting before. I've been
experimenting with
replexing, lossless transcoding from TS->PS.
This has 2 issues:
1) Sound goes out of sync... a known issue I'm trying "mythcommflag
--rebuild" to see if that fixes it
2) Worse still. Now it's a PS the 350 can play it using its hardware
decoder. GREAT!
But it ignores the flags that say it's 16:9 and plays it 4:3,
suddenly everyone is really tall!!!
There's a real dearth of info on the 350 decoder out there...
I'll try turning off the 350 decoder and see how the transcoded files play
thru XV.
Cheers
Steve
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