[Asterisk-Users] mpg123 issue and solution

[Justin Carlson]

I have a suse 8.2 installation of mpg123 and I have no problems with the id3
tags

-----Original Message-----
From: asterisk-users-admin at lists.digium.com
[mailto:asterisk-users-admin at lists.digium.com]On Behalf Of Philipp von
Klitzing
Sent: Tuesday, April 06, 2004 11:37 AM
To: asterisk-users at lists.digium.com
Subject: Re: [Asterisk-Users] mpg123 issue and solution


Hi!

> If you put mp3 files into your mohmp3 directory and these files have ID3v2
> tags, mpg123 will throw an error message "Found new ID3 Header",
> regardless of the -q flag.
>
> This, in turn, will cause Asterisk to crash (yes), although it's a soft
> crash (exits cleanly).
>
> It took me forever to figure this out, since the default mp3 and
> everything else was working fine.  And the lack of any meaningfull error
> messages made diagnosis even more difficult....
>
> My work around was to open the file in WinAmp and remove the ID3 tags
> entirely.  mpg123 and Asterisk were both happy and there was much
> rejoycing.

See also:
http://www.voip-info.org/wiki-Asterisk+config+musiconhold.conf
(as well as the Wiki Asterisk FAQ section concerning variable bit rate)

> It might be a good idea to move away from mpg123 as it is no longer
> supported and there are bound to be more problems like this.  MAD seems to
> be what everyone is migrating to...

Indeed mpg123 is known to be the cause for many problems.

Cheers, Philipp

> Finally, if anyone has any ideas about how to improve IAX voice quality,
> I'd be happy to hear them.  Everything is hearable, but there are an
> awfull lot of clicks and pops in the background.

This is probably due to the IAX software phone that you are using (and
its underlying library). On * server to * server connections this
shouldn't be the case (if yes: try to enable/disable the jitter buffer,
see other mails here).

-Philipp-


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