[mythtv-users] Channel Hopping

Paul Wheeler paulrwheeler at gmail.com
Wed Oct 5 13:26:01 UTC 2005


I have to say I have always wondered this too. More from a keeping the
history point of view than the channel hopping.

Paul

On 10/5/05, Fred Squires <fsquires at gmail.com> wrote:
>
> On 10/6/05, James Hansen <mythtv-users at f0rmula.com> wrote:
> >
> > Lee wrote:
> >
> > >
> > >> There was a recent lengthy (and somewhat heated) thread in the dev
> > list
> > >> about this. The technical reason for the delay is because the system
> > >> has to do the following things when changing a channel on "Live TV":
> > >>
> > >> 1) Tune the channel.
> > >> 2) Start encoding the feed.
> > >> 3) Store the file.
> > >> 4) Decode the file.
> > >>
> > >> Each of these steps takes a little time. If you don't do them, you
> > lost
> > >> the ability to pause or rewind Live TV, which is one of the sexy
> > things
> > >> about a PVR.
> >
>
> My question is, why delete the ringbuffer at all when changing channels?
> Just tune to the new channel and continue writing to the same buffer as
> before. That might make changing channels faster and you'd be able to skip
> back to something from before the channel change. It would also make
> accidental channel changes less costly.
>
> --
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> Drop me a line (off list) if you'd like an account.
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