Mailing List Archive: MythTV: Users

remote frontend problems

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geoflyer at centurytel

Nov 5, 2005, 1:07 PM

Post #1 of 10 (2008 views)
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remote frontend problems

I have a perfectly working install of mythtv on a fc4 machine. I decided
to put a frontend on another fc4 machine and link them wirelessly. the
remote frontend can watch tv, browse the program guide, delete
recordings, program to record etc, but it will not allow me to view a
prerecorded show. mplayer will not run by itself on either machine, it
just freaks out and quits when you try to open it. I can watch the
prerec. shows with totem through an nfs share. I have no clue where to
even begin to troubleshoot this glitch. any help would be appr.
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cymenvig at gmail

Nov 5, 2005, 2:25 PM

Post #2 of 10 (1946 views)
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Re: remote frontend problems [In reply to]

On 11/5/05, RDMathews <geoflyer[at]centurytel.net> wrote:
> I have a perfectly working install of mythtv on a fc4 machine. I decided
> to put a frontend on another fc4 machine and link them wirelessly. the
> remote frontend can watch tv, browse the program guide, delete
> recordings, program to record etc, but it will not allow me to view a
> prerecorded show. mplayer will not run by itself on either machine, it
> just freaks out and quits when you try to open it. I can watch the
> prerec. shows with totem through an nfs share. I have no clue where to
> even begin to troubleshoot this glitch. any help would be appr.

Is the directory containing the recorded material mounted on the
frontend via NFS to the same place it is mounted on the backend in the
file system?
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knowledgejunkie at gmail

Nov 5, 2005, 8:31 PM

Post #3 of 10 (1938 views)
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Re: remote frontend problems [In reply to]

On 05/11/05, RDMathews <geoflyer[at]centurytel.net> wrote:
> I have a perfectly working install of mythtv on a fc4 machine. I decided
> to put a frontend on another fc4 machine and link them wirelessly. the
> remote frontend can watch tv, browse the program guide, delete
> recordings, program to record etc, but it will not allow me to view a
> prerecorded show. mplayer will not run by itself on either machine, it
> just freaks out and quits when you try to open it. I can watch the
> prerec. shows with totem through an nfs share. I have no clue where to
> even begin to troubleshoot this glitch. any help would be appr.

What does the remote frontend's mythfrontend logfile say when you try
and watch a recording? Do they show up normally in the Watch
Recordings list?

Nick
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geoflyer at centurytel

Nov 5, 2005, 9:25 PM

Post #4 of 10 (1930 views)
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Re: remote frontend problems [In reply to]

That fixed it. Its always the little details that trip u up. I had
mounted it in /mnt with some win partitions. It never crossed my mind
that i needed to mirror its location on the other box. Thanks much! rdm
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myth at borntreger

Nov 6, 2005, 2:33 AM

Post #5 of 10 (1935 views)
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Re: remote frontend problems [In reply to]

On Sat, 2005-11-05 at 16:25 -0600, Cymen Vig wrote:
> On 11/5/05, RDMathews <geoflyer[at]centurytel.net> wrote:
> > I have a perfectly working install of mythtv on a fc4 machine. I decided
> > to put a frontend on another fc4 machine and link them wirelessly. the
> > remote frontend can watch tv, browse the program guide, delete
> > recordings, program to record etc, but it will not allow me to view a
> > prerecorded show. mplayer will not run by itself on either machine, it
> > just freaks out and quits when you try to open it. I can watch the
> > prerec. shows with totem through an nfs share. I have no clue where to
> > even begin to troubleshoot this glitch. any help would be appr.
>
> Is the directory containing the recorded material mounted on the
> frontend via NFS to the same place it is mounted on the backend in the
> file system?

I'm not sure I understand why NFS, mplayer, and totem even come up for
watching prerecorded shows on a frontend. I put the frontend on a
laptop, told it where the backend was, didn't mount anything, and watch
prerecorded (and live) shows through MythTV itself - streamed across the
network from the backend (just like live tv).

Lonnie Borntreger

mtdean at thirdcontact

Nov 6, 2005, 4:45 PM

Post #6 of 10 (1935 views)
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Re: remote frontend problems [In reply to]

Lonnie Borntreger wrote:

>On Sat, 2005-11-05 at 16:25 -0600, Cymen Vig wrote:
>
>
>>On 11/5/05, RDMathews <geoflyer[at]centurytel.net> wrote:
>>
>>
>>>I have a perfectly working install of mythtv on a fc4 machine. I decided
>>>to put a frontend on another fc4 machine and link them wirelessly. the
>>>remote frontend can watch tv, browse the program guide, delete
>>>recordings, program to record etc, but it will not allow me to view a
>>>prerecorded show. mplayer will not run by itself on either machine, it
>>>just freaks out and quits when you try to open it. I can watch the
>>>prerec. shows with totem through an nfs share. I have no clue where to
>>>even begin to troubleshoot this glitch. any help would be appr.
>>>
>>>
>>Is the directory containing the recorded material mounted on the
>>frontend via NFS to the same place it is mounted on the backend in the
>>file system?
>>
>>
>I'm not sure I understand why NFS, mplayer, and totem even come up for
>watching prerecorded shows on a frontend. I put the frontend on a
>laptop, told it where the backend was, didn't mount anything, and watch
>prerecorded (and live) shows through MythTV itself - streamed across the
>network from the backend (just like live tv).
>
>
For efficiency. Why make mythbackend go to the trouble of streaming the
file if the frontend can just read the file directly?

Mike

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chris at cpr

Nov 6, 2005, 4:48 PM

Post #7 of 10 (1926 views)
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Re: remote frontend problems [In reply to]

On Sun, Nov 06, 2005 at 02:33:01AM -0800, Lonnie Borntreger wrote:
> I'm not sure I understand why NFS, mplayer, and totem even come up for
> watching prerecorded shows on a frontend. I put the frontend on a
> laptop, told it where the backend was, didn't mount anything, and watch
> prerecorded (and live) shows through MythTV itself - streamed across the
> network from the backend (just like live tv).

That works for shows that were recorded using MythTV. If you rip a DVD
or use nuvexport to convert files to another format then the MythTV
backend will not stream them. That's why the mythvideo plugin was
created. It runs on the frontend and must have independent access to
the storage area. Since it keeps a list of known videos in the mysql
database, every frontend must use the same storage path or else they
will constantly overwrite the video list with the ones visible from that
frontend. The typical solution is to create /nfs/video on the machine
with the big drive and export that directory so that everyone else can
mount /nfs/video and see the same files.

myth at borntreger

Nov 7, 2005, 3:54 AM

Post #8 of 10 (1924 views)
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Re: remote frontend problems [In reply to]

On Sun, 2005-11-06 at 19:45 -0500, Michael T. Dean wrote:
> Lonnie Borntreger wrote:
> >I'm not sure I understand why NFS, mplayer, and totem even come up for
> >watching prerecorded shows on a frontend. I put the frontend on a
> >laptop, told it where the backend was, didn't mount anything, and watch
> >prerecorded (and live) shows through MythTV itself - streamed across the
> >network from the backend (just like live tv).
> >
> >
> For efficiency. Why make mythbackend go to the trouble of streaming the
> file if the frontend can just read the file directly?

I guess if you don't mind losing commercial skipping and other features.
For me, that's >90% of the reason to use MythTV in the first place.

(of course, this has no bearing on any media that MythTV can't stream)

Lonnie

cymenvig at gmail

Nov 7, 2005, 6:07 AM

Post #9 of 10 (1930 views)
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Re: remote frontend problems [In reply to]

On 11/6/05, Lonnie Borntreger <myth[at]borntreger.com> wrote:
> On Sat, 2005-11-05 at 16:25 -0600, Cymen Vig wrote:
> > On 11/5/05, RDMathews <geoflyer[at]centurytel.net> wrote:
> > > I have a perfectly working install of mythtv on a fc4 machine. I decided
> > > to put a frontend on another fc4 machine and link them wirelessly. the
> > > remote frontend can watch tv, browse the program guide, delete
> > > recordings, program to record etc, but it will not allow me to view a
> > > prerecorded show. mplayer will not run by itself on either machine, it
> > > just freaks out and quits when you try to open it. I can watch the
> > > prerec. shows with totem through an nfs share. I have no clue where to
> > > even begin to troubleshoot this glitch. any help would be appr.
> >
> > Is the directory containing the recorded material mounted on the
> > frontend via NFS to the same place it is mounted on the backend in the
> > file system?
>
> I'm not sure I understand why NFS, mplayer, and totem even come up for
> watching prerecorded shows on a frontend. I put the frontend on a
> laptop, told it where the backend was, didn't mount anything, and watch
> prerecorded (and live) shows through MythTV itself - streamed across the
> network from the backend (just like live tv).

So this is supposed to work? I was testing this with the latest
(problematic) KnoppMyth release and found I couldn't watch recorded
shows (recorded by Myth) unless I mounted the directory containing the
records in the same place as the back end server.

For various reasons, I gave up on KnoppMyth after getting a feel for
Myth and went to Gentoo with the ebuild and than the SVN so I'll have
to try a remote front end again.

Thanks for pointing out it *should* work as the documentation is
somewhat unclear -- some hints at NFS so I concluded, when it didn't
work with KnoppMyth, that it was required.
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cymenvig at gmail

Nov 7, 2005, 6:16 AM

Post #10 of 10 (1924 views)
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Re: remote frontend problems [In reply to]

On 11/7/05, Lonnie Borntreger <myth[at]borntreger.com> wrote:
> On Sun, 2005-11-06 at 19:45 -0500, Michael T. Dean wrote:
> > Lonnie Borntreger wrote:
> > >I'm not sure I understand why NFS, mplayer, and totem even come up for
> > >watching prerecorded shows on a frontend. I put the frontend on a
> > >laptop, told it where the backend was, didn't mount anything, and watch
> > >prerecorded (and live) shows through MythTV itself - streamed across the
> > >network from the backend (just like live tv).
> > >
> > >
> > For efficiency. Why make mythbackend go to the trouble of streaming the
> > file if the frontend can just read the file directly?
>
> I guess if you don't mind losing commercial skipping and other features.
> For me, that's >90% of the reason to use MythTV in the first place.
>
> (of course, this has no bearing on any media that MythTV can't stream)

Perhaps you mean playing outside of MythTV on the front end? I seem to
recall that commericial skipping still worked on the remote front end
when I was playing the video mounted via NFS. This is probably 100%
related to the KnoppMyth issue and not the normal stable release. I
wonder if RDMathews is running KnoppMyth.
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