[mythtv-users] LiveTV stutter while in EPG/Guide

[Monkey Pet]

The LiveTV stuttering during tv guide got much better almost unnoticeable
after I did the mysql optimization stuff.  See the mailing thread
"Performance MySQL on RAM".

On Wed, Oct 24, 2012 at 9:52 PM, Monkey Pet <monkeypet at gmail.com> wrote:

>
>
> On Wed, Oct 24, 2012 at 7:43 AM, Matt Piermarini <mattpiermarini at yahoo.com
> > wrote:
>
>>
>> On 10/24/2012 09:57 AM, Scott Harris wrote:
>>
>>>  I'm working on wife factor here.. Live TV does work, with a couple
>>>>>>> sub-second pauses here and there, but wife acceptable.  The problems
>>>>>>> I'm
>>>>>>> having is while watching liveTV, and I bring up the EPG, the
>>>>>>> >>smaller TV
>>>>>>> picture in the corner will stutter.  A couple seconds after bringing
>>>>>>> up the
>>>>>>> guide, it will be fine.  Then, after each up/down arrow press to
>>>>>>> browse the
>>>>>>> guide will result in the same stutter, level >>out, stutter, level
>>>>>>> out,
>>>>>>> stutter, level out, etc. It works, but is very annoying.
>>>>>>>
>>>>>>> This happens on both frontends: (core2duo/NV G210 and Nvidia ION --
>>>>>>> both
>>>>>>> using vdpau). -- HDHR Prime directly connected to backend. Tried
>>>>>>> both .25
>>>>>>> and .26.  I did NOT have this problem on .24. >>Happens on any VDPAU
>>>>>>> profile.. happens on any content (1080i, standard-def (which
>>>>>>> actually is
>>>>>>> worse believe it or not)).
>>>>>>>
>>>>>>> Does anybody else see this, and if so, do you just deal with it?
>>>>>>>
>>>>>>>  This is not much help but I'm having the same issue too. 0.24 was
>>>>>> fine
>>>>>> but on 0.26 every time I press the mouse while the EPG is up the
>>>>>> picture
>>>>>> stutters. I kind of just deal with it but it's got to the stage
>>>>>> >where I'm
>>>>>> contemplating going back to 0.24 because it's so annoying.
>>>>>>
>>>>>
>>>>>  Mark
>>>>>>
>>>>>
>>>>> In 0.25, apparently code was changed so that every time you jump to a
>>>>> new
>>>>> channel (you'll notice there is no stutter if you scroll horizontally
>>>>> across
>>>>> the time), some stuff including a sql query is done to determine if the
>>>>> channel you just navigated to would be tunable (i.e. it doesn't have a
>>>>> scheduled recording with new free tuners, etc).  The "stuff" that
>>>>> happens
>>>>> causes the stutter while it processes.  I agree, it's annoying, but
>>>>> apparently necessary.
>>>>> ______________________________**_________________
>>>>>
>>>>>  I agree that it does more "work" when moving channel to channel in the
>>>> guide, but I can't believe that it's so much as to cause the video to
>>>> get
>>>> starved for resources.. the CPU's are only at 5%.   The network might
>>>> get
>>>> saturated for the SQL queries, as it is streaming the video from the BE
>>>> and
>>>> the mysql engine is on that same backend. I'll check that.  Has anybody
>>>> tried jumbo frames (MTU 9000)? Good/bad/no difference?
>>>>
>>>> Matt
>>>>
>>> All I can tell you is that was the explanation that I was given by
>>> those "in the know" when I raised the issue when it appeared in 0.25.
>>> Since I have no reason to doubt it, and it made sense (though
>>> admittedly my first, unspoken thought was "then there must be a better
>>> way to do it"), I never pursued it any further.  TBH, sadly Live TV
>>> issues do not get much love (other than being told you're doing it
>>> wrong if you're using Live TV, so avoid the issues by doing it
>>> "right") ...
>>> ______________________________**_________________
>>> mythtv-users mailing list
>>> mythtv-users at mythtv.org
>>> http://www.mythtv.org/mailman/**listinfo/mythtv-users<http://www.mythtv.org/mailman/listinfo/mythtv-users>
>>>
>>
>> Funny -- Almost sounds like when I was told "I was holding it wrong" by
>> Apple & the iPhone4 debacle.  It's too bad though -- there are some of us
>> "old-timers" which still like to channel surf!
>>
>
> I don't channel surf (just too many damn channels to go through), but I
> love LiveTV!  However, LiveTV doesn't seem to get any love around here.
>
>
>>
>> Thanks for the input though..
>>
>> Matt
>>
>> ______________________________**_________________
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>>
>
>
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