[mythtv-users] Can this be done, if yes, HOW ?

belcampo belcampo at zonnet.nl
Fri Oct 31 09:52:57 UTC 2008


belcampo wrote:
> Robert Moss wrote:
>> As I understand it, you want to ssh in and play a file on your
>> mythbackend server, but you want to select the file via SSH instead of
>> the menus?
> Not instead of the menus, I now have a little script which has the name 
> of the backend
> -----
> #!/bin/sh
> ssh `basename $0` $*
> -----
> it accepts a command which is mythfrontend. I have ssh keys and 
> therefore I can login passwordless.
> 'server mythfrontend'
> gives me mythfrontend on any X capable client. I can browse the menu 
> perfectly in recordings I can watch the 'preview' everything is fine.
> But as mentioned by several people you can't get the uncompressed data 
> to your client this way.
> A wanted option would be that instead of playing on the backend and 
> forwarding to the client, the file would be played on the clients 
> mplayer/xine/vlc or whatever.
> 
> An option like redirecting the output to a PVR-350, but then to the 
> clients-mediaplayer
Here's a movie with a netflix/roku-like system, they've done it this way
http://free-electrons.com/pub/video/elc2006-klaas-de-waal-mythtv-nexperia.ogg
> 
>> I don't think you can SSH in as mythtv, so I chose to use root, but you
>> should create your own user with sudo access
>>
>> ssh root at ip.of.mythbackend 'su - mythtv -c "export DISPLAY=:0.0; mplayer
>> /path/to/file"'
>> DSPLAY=:0.0 means the local X connection
>>
>> You can replace mplayer with the mythtv mplayer-resume.pl file also
>>
>> If you are talking about playing the video on the mythbackend server and
>> forwarding the video over ssh/X forwarding to your local machine, then
>> that will not work very well: the uncompressed video feed is huge and
>> would saturate you connection giving you very choppy video and possibly
>> inaccurate colours.  You're better off sharing the directory via nfs or
>> smb as Brad says, or copy the file locally via SCP (scp
>> user at host:/directory/file /local/directory/file) and play it locally
>>
>> Even if you were on local gigabit ethernet, playing a video file over
>> ssh/X would be awful -- SSH would be encrypting the data, your end would
>> be decrypting,then displaying locally at maybe a few frames per second
>>
>>
>> On Thu, 30 Oct 2008 14:42:11 -0700, "Brad DerManouelian"
>> <myth at dermanouelian.com> said:
>>> On Oct 30, 2008, at 2:34 PM, belcampo wrote:
>>>
>>>> What I would like is the following:
>>>> ssh ip.of.mythbackend mythfrontend ;select video I'm interested in
>>>> local mplayer 'the-selected-file'
>>>> after exit
>>>> ssh ip.of.mythbackend mythfrontend ;again
>>>> quit mythfrontend
>>>> back in my host system.
>>>>
>>>> The only thing needed on the frontend is ssh mplayer/xine and X
>>>>
>>>> This way every X capable system (OSX, M$ with Xming and linux of  
>>>> course,
>>>> and maybe PopCornHour et all with added X) would be able to use this.
>>> So you just want to be able to browse the files on the remote system?  
>>> You can use SMB or NFS along with mythrename.pl --link to get a list  
>>> of files named in the format of your choice. Then just point your  
>>> player to the program you want.
>>>
>>> -Brad
>>>
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