[mythtv] Channel change speed

[Michael Foley]

Thanks Willy, my main purpose of this post was to
start an open dialog on the subject.  I've searched
the posts and have seen complaints on the subject, but
I haven't seen any real substance as to the reason for
the problem or anyone spending time on resolving the
issue.  Without a good user experience when using
MythTV as a TV PVR, Myth will not make it to the
Living Room whether someone develops the
MythEtch-A-Sketch module or ports it to a Atari 2600
or not.  

-Mike

--- "Boyd II, Willy" <wboyd at fulbright.com> wrote:
> Ok I'm going to chime in here with a "me too" saying
> that this is very much
> something I'd like to see as well, so much though
> that I'll say here & now
> I'll start sometime this week at getting up to speed
> with the code, and see
> what I can come up with.  This will be my first
> attempt at improving on a
> project like this, but I've wanted to contribute to
> something like this for
> a while.  And the channel-change issue (along with
> my crappy kt133 chipset)
> is the single solitary reason I won't let myself try
> to show off MythTV to
> any of my less-technical friends.
>  
> This is mainly in response to the standard
> disclaimer: "If someone submits a
> patch it will get fixed".  Wow what a no-brainer: 
> of course if a patch is
> submitted then one can logically assume a fix will
> eventually follow ;-)  I
> think a more constructive response (which no-doubt
> has already been posted,
> before the flames start ;-) is something like "it's
> really hard to do
> because _____  but if you or anyone else wants to
> figure that out, please
> do..."  OR "it's not hard but we like it the slow
> way because _______ "
> (separate frontend / backend over network) "... but
> if you want to submit a
> patch to make that an option go ahead..."  I think
> it's easy to get tired of
> answering the same old questions, but for new list
> users it's also easier to
> send an email than search the Gossamer archive so
> people tend to communicate
> rather than go read...
>  
> I think I remember reading something about the
> ringbuffer not really being a
> "ring" right now... if that can work will that help?
>  I also wonder about
> somehow flagging the channel change in the buffer,
> so you can keep on
> buffering, just the REW will know not to spill over
> into the previous
> channel data.
>  
> Again I'll start reading code so I can do my part,
> just some thoughts...
>  
> - Willy
> 
> -----Original Message-----
> From: Reza Naima [mailto:reza at reza.net]
> Sent: Wednesday, September 10, 2003 2:26 PM
> To: Development of mythtv
> Subject: Re: [mythtv] Channel change speed
> 
> 
> would it be possible to _not_ tear down the
> ringbuffer and just issue the
> change channel command instead.  perhaps jump to
> just before the head of the
> ringbuffer before changing the channel.  It just
> means you can back up the
> view something on the previous channel...
> 
> -r
> 
> Isaac Richards wrote:
> 
> 
> On Wednesday 10 September 2003 02:45 pm, Michael
> Foley wrote:
> 
>   
> 
> I was wondering if anyone was activly working or
> 
> planning to work on this issue.  I understand that
> 
> when viewing tv through Myth, the tv is not actually
> 
> "Live", but Microsoft is able to do it on the same
> 
> hardware with only approximatly a 1 second delay.  I
> 
> wanted to see if this is going to be possible with
> 
> Myth anytime in the near future.
> 
>     
> 
> 
> 
> If someone submits a patch, sure.
> 
> 
> 
> Isaac
> 
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> 
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