View the most recent changes for the mpg123 port at: mpg123.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for mpg123.
The raw portfile for mpg123 1.9.0 is located here:
http://mpg123.darwinports.com/dports/audio/mpg123/Portfile
Find related portfiles with the unique DarwinPorts.com search feature.
Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/mpg123

The mpg123 Portfile 56681 2009-09-01 05:22:16Z toby macports.org $

PortSystem 1.0
Name: mpg123
Version: 1.9.0
Category: audio
Maintainers: gmx.at:astifter openmaintainer
Description: fast mp3 player for linux and unix systems
Long Description: Mpg123 is a fast, free and portable MPEG audio player for Unix. It supports MPEG 1.0/2.0 layers 1, 2 and 3. For full CD quality playback (44 kHz, 16 bit, stereo) a Pentium, SPARCstation10, DEC Alpha or similar CPU is required. Mono and/or reduced quality playback (22 kHz or 11 kHz) is even possible on 486 CPUs. This version uses EsounD on a pure Darwin install and CoreAudio on Mac OS X.

Homepage: http://www.mpg123.de/
Platform: darwin
Master Sites: http://www.mpg123.de/download/
use_bzip2 yes
Checksums: md5 0ea1a5d45680c847a9594188f582d284

depends_lib port:libtool

platform macosx {
configure.args-append --with-audio=coreaudio
}

platform darwin powerpc {
configure.args-append --with-cpu=altivec
}

if {${configure.build_arch} == "x86_64"} {
configure.args-append --with-cpu=x86-64
}

universal_variant no

If you haven't already installed Darwin Ports, you can find easy instructions for doing so at the main Darwin Ports page.
Once Darwin Ports has been installed, in a terminal window and while online, type the following and hit return:

%  cd /opt/local/bin/portslocation/dports/mpg123
%  sudo port install mpg123  
Password: 

You will then be prompted for your root password, which you should enter. You may have to wait for a few minutes while the software is retrieved from the network and installed for you. Y ou should see something that looks similar to:

--->  Fetching mpg123
--->  Verifying checksum for mpg123
--->  Extracting mpg123
--->  Configuring mpg123
--->  Building mpg123 with target all

--->  Staging mpg123 into destroot

--->  Installing mpg123

- Make sure that you do not close the terminal window while Darwin Ports is working. Once the software has been installed, you can find further information about using mpg123 with these commands:

%  man mpg123
%  apropos mpg123
%  which mpg123
%  locate mpg123

 Where to find more information: