voicemail

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Hi,

The main performance hit I get is dtmf and stripping silence.  I have
menus and the script plays certain files and records depending on the key
and the epart of the script it's in.  I have autostop on but it's still a
bit slow responding.  I don't like autostop though because I don't want it
to stop when the user presses an invalid key.

- -- 
Shane Wegner: shane@cm.nu
Sysadmin, Continuum Systems: http://www.cm.nu
Vice President, W.A.P.V.I.
Personal website: http://www.cm.nu/~shane
PGP key: http://www.cm.nu/~shane/pgp.txt
ICQ UIN: 15706546

On Sun, 27 Sep 1998, Gert Doering wrote:

> Hi,
> 
> On Sun, Sep 27, 1998 at 01:09:27AM +0200, Shane Wegner wrote:
> > I wrote a voicemail program for vgetty in perl using the shell script
> > interface.  I am trying to get better performance out of it so figured I'd
> > rewrite it in c.  Since the advent of the perl interface to vgetty, is it
> > advisable to write a c program to interface with it.  
> 
> Not really.  There isn't really anything performance critical in the perl
> stuff (and perl is not THAT much slower as C anyway), except if you do
> lots of things like bit shifting and bit arithmetic in perl.
> 
> What kind of "performance problems" are you experiencing?
> 
> > Also, I noticed that
> > vgetty has a voicelib directory.  Could I just link against that and use
> > its functions E.G. record, play, events, etc instead of the shell script
> > interface.  
> 
> Umm, you could, but it won't be trivial.  What you would be doing is
> reimplementing "vm" - doable, but no man has been here before.
> 
> gert
> 

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