[mythtv] ... channel change times....?

Erez D erez0001 at gmail.com
Thu Jul 12 08:25:20 UTC 2007

i do not agree

timeshift does work when i do:
myapp > file & tail -f file|mplayer -

without taking long time to switch channels.

On 7/12/07, me at blaue0.net <me at blaue0.net> wrote:
> Quoting Erez D <erez0001 at gmail.com>:
> > so i really do not see the reason it takes so much time to change
> channels
> > in myth
> > if the frontend will know in advance what the pids are (this info can be
> > cached as channles do not change pids so often)
> > and will not need to scan the stream for it.
> > note also that when changing channels, as we usually watch in no delay
> > related to real time, if frontend and backend are on the same machine,
> then
> > the data written to file still sits in the kernel's cache and it should
> not
> > need time to get it from disk
> >
> >
> > so as far as i see it. channel changing speeds, could be a lot faster in
> > myth.
> The reason for channel changing taking longer than with your app is
> that mythtv needs to record a given amount of video before it starts
> to play, in order for timeshifting to work.
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