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Re: Welcome to the "mythtvnz" mailing list

 

 

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legge at alcatel-lucent

Jun 17, 2009, 4:56 PM

Post #1 of 4 (934 views)
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Re: Welcome to the "mythtvnz" mailing list

> Welcome to the mythtvnz [at] lists mailing list! When you
> join the list, it would be nice if you would post a brief "new to
> list" message introducing yourself. Cheers.
>

OK, here you go.

I'm a linuxmce user trying to get DVB-T working for freeview in NZ, based in wellington.
After much mucking about, I have come to the point where I can get a picture on most channels (some cause a crash), but no sound on any. Which means I only use my linux MCE box for watching material from the hard drive.
I understand there may be a patch available for the sound, but am not sure how to apply it on linuxmce.

Also, I'd like to investigate the hardware acceleration (NVIDIA), I'm unsure if my card will support it, but believe it should be capable of the older purevideo (nvidia's hardware acceleration PRE VDPAU (Video Decode and Presentation API for Unix)), this would be great as when I can see a DVB-T freeview picture on my screen, it's not very smooth, and I'm sure that offloading decoding to the video card would help. I'm pretty sure my video card is to old to do VDPAU.

Cheers
Gavin

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nick.rout at gmail

Jun 17, 2009, 5:34 PM

Post #2 of 4 (861 views)
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Re: Welcome to the "mythtvnz" mailing list [In reply to]

On Thu, Jun 18, 2009 at 11:56 AM, LEGGE, GAVIN (GAVIN) <
legge [at] alcatel-lucent> wrote:

> > Welcome to the mythtvnz [at] lists mailing list! When you
> > join the list, it would be nice if you would post a brief "new to
> > list" message introducing yourself. Cheers.
> >
>
> OK, here you go.
>
> I'm a linuxmce user trying to get DVB-T working for freeview in NZ, based
> in wellington.
> After much mucking about, I have come to the point where I can get a
> picture on most channels (some cause a crash), but no sound on any. Which
> means I only use my linux MCE box for watching material from the hard drive.
> I understand there may be a patch available for the sound, but am not sure
> how to apply it on linuxmce.


Welcome aboard.

I looked at the linuxmce source code a while ago and it seemed to be based
on an older version of myth than 0.21-fixes. Therefore I doubt that any of
the current patches will apply cleanly. I could be wrong or way out of date
on that though. Perhaps you should be asking the linuxmce devs to add the
changes to their source tree.


>
>
> Also, I'd like to investigate the hardware acceleration (NVIDIA), I'm
> unsure if my card will support it, but believe it should be capable of the
> older purevideo (nvidia's hardware acceleration PRE VDPAU (Video Decode and
> Presentation API for Unix)), this would be great as when I can see a DVB-T
> freeview picture on my screen, it's not very smooth, and I'm sure that
> offloading decoding to the video card would help. I'm pretty sure my video
> card is to old to do VDPAU.
>


Tell us what the card is and we can advise. But purevideo is NOT available
on linux and a card that can do purevideo on windows cannot necessarily do
vdpau on linux.

Same comment on the vdpau patches too, I doubt that they will apply cleanly
to linuxmce source, but you never know!


legge at alcatel-lucent

Jun 18, 2009, 1:53 PM

Post #3 of 4 (847 views)
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Re: Welcome to the "mythtvnz" mailing list [In reply to]

<snip>

>> Welcome aboard.
Thank you very much..


>> I looked at the linuxmce source code a while ago and it seemed to be based on an older version of myth than
>> 0.21-fixes. Therefore I doubt that any of the current patches will apply cleanly. I could be wrong or way out of
>> date on that though. Perhaps you should be asking the linuxmce devs to add the changes to their source tree.

I'll check it out, I may also try a later version of linuxmce as they have released a few since I installed.


> Also, I'd like to investigate the hardware acceleration (NVIDIA), I'm unsure if my card will support it, but
<snip>

>> Tell us what the card is and we can advise. But purevideo is NOT available on linux and a card that can do purevideo >>on windows cannot necessarily do vdpau on linux.

>> Same comment on the vdpau patches too, I doubt that they will apply cleanly to linuxmce source, but you never know!

My card is 01:00.0 VGA compatible controller: nVidia Corporation NV18 [GeForce4 MX 440 AGP 8x] (rev a2) according to lspci (it's an AGP card of course 8x speed)
I'm thinking this card will be to old for all but purevideo.



Many thanks for your help.
I'll probably end up ditching linuxmce for something else in the end, but I think it's just a waiting game now until the dvb-t becomes stable(I mean 'out of the box' stable) for freeview NZ.

Cheers

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nick.rout at gmail

Jun 18, 2009, 3:13 PM

Post #4 of 4 (850 views)
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Re: Welcome to the "mythtvnz" mailing list [In reply to]

On Fri, Jun 19, 2009 at 8:53 AM, LEGGE, GAVIN
(GAVIN)<legge [at] alcatel-lucent> wrote:

>
> My card is 01:00.0 VGA compatible controller: nVidia Corporation NV18 [GeForce4 MX 440 AGP 8x] (rev a2) according to lspci (it's an AGP card of course 8x speed)
> I'm thinking this card will be to old for all but purevideo.

Certainly is too old for vdpau. You need a 8xxx or 9xxx series card to
do vdpau. If you look at the archives for this mailing list and the
mythtv-users mailing list there are plenty of discussions on what are
the best cards to get.

Also none of those cards seem to be available in AGP versions - you
need pci-e or plain pci (and the plain pci aren't that plentiful
either). So its probably new motherboard time if you want vdpau.

>
>
>
> Many thanks for your help.
> I'll probably end up ditching linuxmce for something else in the end, but I think it's just a waiting game now until the dvb-t becomes stable(I mean 'out of the box' stable) for freeview NZ.

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http://lists.ourshack.com/mailman/listinfo/mythtvnz
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