#### Beyond Linux® From Scratch (System V Edition) - Version 12.3

### Chapter 43. Audio Utilities

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# mpg123-1.32.10

## Introduction to mpg123

The mpg123 package contains a console-based MP3 player. It claims to be the fastest MP3 decoder for Unix.

This package is known to build and work properly using an LFS 12.3 platform.

### Package Information

- Download (HTTP): https://downloads.sourceforge.net/mpg123/mpg123-1.32.10.tar.bz2

- Download MD5 sum: f6d1a69dbf340c8d889b64772e8e0a61

- Download size: 1.1 MB

- Estimated disk space required: 16 MB (with tests)

- Estimated build time: 0.2 SBU (with tests)

### mpg123 Dependencies

#### Recommended

alsa-lib-1.2.13

#### Optional

PulseAudio-17.0, SDL2-2.30.11, JACK, OpenAL and PortAudio

## Installation of mpg123

Install mpg123 by running the following commands:

    ./configure --prefix=/usr &&
    make

To test the results, issue: make check.

Now, as the `root` user:

    make install

## Contents

Installed Programs: mpg123, mpg123-id3dump, mpg123-strip, and out123
Installed Libraries: libmpg123.so, libout123.so, and libsyn123.so
Installed Directory: /usr/lib/mpg123

### Short Descriptions

mpg123 | is used for playing MP3 files via the console
mpg123-id3dump | is a tool to dump ID3 meta data from MPEG audio files using libmpg123
mpg123-strip | extracts only MPEG frames from a stream using libmpg123 (stdin to stdout)
out123 | plays raw PCM audio to an output device
`libmpg123.so` | contains the mpg123 API functions
`libout123.so` | contains the out123 API functions
`libsyn123.so` | contains some audio signal synthesis and format conversion functions

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