[vdr] Re: Improvement tip

[Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>]

Emil Naepflein wrote:
> 
> On Fri, 14 Sep 2001 13:44:37 +0200 (CEST), Matthias Fechner
> <idefix@fechner.net> wrote:
> 
> > is it possible to display "Bitte warten..." if I go into
> > recordings("Aufzeichnungen"), because my Harddisks are
> > very big and it takes a long time to display the
> > recordings.
> > So i know that i in the right menu and vdr is running.
> 
> Much better would be to replace the shell command by C code, or keep the
> data cached until the primary directory has changed or at least replace
> the find with a ls command.
> 
> The first should be ok regarding performance, but has the disadvantage
> that a change of the sorting order is not so easy to implement. I.e. I
> use a different command sequence which moves the permanent recordings at
> the end of the list (name starting with % and probably a lifetime of
> 99).
> 
> The second will still be slow occasionally, but will be fast most of the
> time. Each new or deleted recording will change the modified time of
> this directory.
> 
> The third should be easy to implement and be considerably faster than
> the find command. How is this:
> #define FINDCMD "cd %s; ls -d %s 2> /dev/null | sort -df"
> 
> I will try the last one this evening.

I am planning on implementing a new video directory scanner which keeps
the data in memory and only re-scans if a directory has been modified.
I'll do this when I implement the hierarchical "Recordings" menu.

Klaus
-- 
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Klaus Schmidinger                       Phone: +49-8635-6989-10
CadSoft Computer GmbH                   Fax:   +49-8635-6989-40
Hofmark 2                               Email:   kls@cadsoft.de
D-84568 Pleiskirchen, Germany           URL:     www.cadsoft.de
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