[vdr] Re: Recordings menu sluggish - *the* solution.

[Michael Hoffmann <linux@f-j-hoffmann.de>]

Am Sonntag, 5. Oktober 2003 14:34 schrieben Sie:

> So I think a kind of I/O subsystem must be implemented that suites our
> needs, i.e.
> Playback:
> - random access to every octet in the stream translating it to the
> required buffer(s),
> - a limited cache of a few minutes or less (sometimes you skip back to
> replay a szene, e.g. when a phone call interrupts you, or you want to
> enjoy the last goal of your favorite soccer team in slow motion ;-)).
> - a "big" readahead buffer that minimizes the read accesses while
> fetching "new" data
> Record:
> - a minimum write-section size. Probably we would need a bigger ring
> buffer for this (?)
>
> Any more requirements?

Has anyone tried this?
Linux: O_STREAMING - optimal streaming I/O
http://kerneltrap.org/node/view/460
Sounds very interesting.

Michael



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