[mythtv-users] MythTV channel buffer

Felix Rubinstein felixru at gmail.com
Sat Apr 15 11:45:11 UTC 2006


I reply to this post as Stef understood me better than anybody.
I use hauppauge pvr 150 running on fedora core 5 and I use the latest and
greates 0.19 downloaded from svn and compiled.

I live outside US and don't have EPG functionality in MythTV yet as didn't
have time to get my hands dirty to parse XML from local content provider. I
have TV and satellite receiver and 2 remote controls for receiver and
MythTV. Receiver is connected to my PVR via S-Video and PVR to TV using
S-Video.
Since MythTV is not fed with EPG, I use my receiver to help me see shows
scheduling, using receiver's remote control and on any key press I get a
popup showing me the starting and ending time of the show and short
description.
Now, suppose I like tennis and I watch eurosport, and suppose MythTV is on,
and suppose it's 10 a.m. I want to know when there will be tennis if at all.
I press a button on receiver remote control to see what show is at 10 a.m.
I get delay of 4 secs until I see that from 10 to 11 a.m. there is a soccer,
then I press next and only after 4 secs of delay I see that there is some
other show, etc. Now interleave 4 sec delay for every key press on my
satellite remote control all of you would understand that it's unacceptable!

If you say that I should first to see the scheduling and only then to turn
on the MythTV, I'd answer I don't want to play with S-Video connectors,
acceptable wish, right?
I treat MythTV as a generic program, otherwise I would add lots of cron jobs
for:
cat /dev/video0 > somefileX
for every show I want to watch later on, BTW, it's an answer to those how
say I use it this way or other way, is it a generic or not?

All of you, would it be acceptable if you move a mouse and get 4 secs delay
of mouse coursor, or if you press a button on a keyboard and get it shown
after the same delay?
It's funny when I hear that there are people who have smaller delay, any
delay is unacceptable!
When I say unacceptable I don't demand anything, and I'm thankful to all of
you for attention and to any developer who created MythTV, I'm here to help,
but unfortunately my hands are too much dirty on hacking other things.

BTW, my 3 years old Philips has all this, as you call, fancy functionality:
pausing rewinding, etc. with 0 (zero) delay!
All I wanted is to setup the PVR to my friend who doesn't have lots of
experience in Linux.
What I mean is that instead of having many features like games and weather
report, I'd like as a professional, for MythTV to do one thing but to do it
well, instead of many half-well!

If you open documentation of MythTV
http://www.mythtv.org/docs/mythtv-HOWTO-1.html
you'd see the first bullet says the following -

MythTV has a number of capabilities:
* You may pause, fast-forward and rewind live Television.

Did you point out live TV, not buffered for 4 secs, once again live TV!!!
Live TV is a zero-delay stream of bits.



On 4/14/06, Brad Benson <bbenso1 at gmail.com> wrote:
>
> On 4/14/06, Stef Coene <stef.coene at docum.org> wrote:
>
> > stand.  What benefit are you getting from watching TV under
>
>
> > Myth?  You're not using Myth to change channels and you're not talking
> > about recording stuff, just watching TV.  So why bother doing through
> Myth?
> >  Just use your TV.
> Mythtv knows the name of the show, short description, when it will ends,
> ...
> That's why I should use live tv.  So you know what you are watching.
>
>
> Yes, Myth does know that if it's set up correctly.  However, the OP said
> he isn't using Myth to change channels, he's doing it directly via his STB.
> So, when he changes channels on the STB he has a several second delay while
> the previously buffered content clears out and he *still* doesn't know what
> he's watching.  Unless, of course, his STB has it's own EPG in which case my
> original question remains:  Why not just use your TV?
>
>
>
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>
>
>
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