mpg123 is a

free and open-source Free and open-source software (FOSS) is a term used to refer to groups of software consisting of both free software and open-source software where anyone is freely licensed to use, copy, study, and change the software in any way, and the source ...

audio player. It supports

MPEG The Moving Picture Experts Group (MPEG) is an alliance of working groups established jointly by ISO and IEC that sets standards for media coding, including compression coding of audio, video, graphics, and genomic data; and transmission and fi ...

audio formats, including

MP3 MP3 (formally MPEG-1 Audio Layer III or MPEG-2 Audio Layer III) is a coding format for digital audio developed largely by the Fraunhofer Society in Germany, with support from other digital scientists in the United States and elsewhere. Orig ...

. As a

console application A console application is a computer program designed to be used via a text-only computer interface, such as a text terminal, the command-line interface of some operating systems (Unix, DOS, etc.) or the text-based interface included with most ...

, it has no

graphical user interface The GUI ( "UI" by itself is still usually pronounced . or ), graphical user interface, is a form of user interface that allows User (computing), users to Human–computer interaction, interact with electronic devices through graphical icon (comp ...

. mpg123's

Assembly Assembly may refer to: Organisations and meetings * Deliberative assembly, a gathering of members who use parliamentary procedure for making decisions * General assembly, an official meeting of the members of an organization or of their representa ...

code is optimized with

SIMD Single instruction, multiple data (SIMD) is a type of parallel processing in Flynn's taxonomy. SIMD can be internal (part of the hardware design) and it can be directly accessible through an instruction set architecture (ISA), but it should ...

instructions to improve the performance of the iDCT part of the MPEG decoding. mpg123's decoding library, libmpg123 is used by

DeaDBeeF DeaDBeeF is an audio player software available for Linux, Android and other Unix-like operating systems. DeaDBeeF is free and open-source software, except on Android. History The player was first published in August 2009. Its author cited ...

Audacious Audacious may refer to: * ''Audacious'' (album), a 2016 album by Cupcakke * Audacious (software), an open-source media player Ships * List of ships named ''Audacious'' * HMS ''Audacious'', various ships of the British Royal Navy * ''Audac ...

XMMS X Multimedia System (XMMS) is an audio player for Unix-like systems released under a free software license. History XMMS was originally written as ''X11Amp'' by Peter and Mikael Alm in November 1997. The player was made to resemble Winamp, which ...

and

Winamp Winamp is a media player for Microsoft Windows originally developed by Justin Frankel and Dmitry Boldyrev by their company Nullsoft, which they later sold to AOL in 1999 for $80 million. It was then acquired by Radionomy in 2014. Sin ...

(version 5.8) for MP3 playback and can be used in Winamp before version 5.8 via a plugin.

History

The license for the last release (0.59r / 19 June 1999) from the original authors included restrictive (non-commercial, no-derivative) terms, although the source code was available. This led to the creation of mpg321, a similar program (based on

MAD Mad, mad, or MAD may refer to: Geography * Mad (village), a village in the Dunajská Streda District of Slovakia * Mád, a village in Hungary * Adolfo Suárez Madrid–Barajas Airport, by IATA airport code * Mad River (disambiguation), several ri ...

) licensed under the

GPLv2 The GNU General Public License (GNU GPL or simply GPL) is a series of widely used free software licenses that guarantee end users the four freedoms to run, study, share, and modify the software. The license was the first copyleft for general u ...

. Official development of mpg123 and its library mpglib stalled, and serious security holes emerged. Patches were applied downstream for packages provided by various

Linux Linux ( or ) is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged as a Linux distribution, which i ...

and

BSD The Berkeley Software Distribution or Berkeley Standard Distribution (BSD) is a discontinued operating system based on Research Unix, developed and distributed by the Computer Systems Research Group (CSRG) at the University of California, Be ...

operating systems. In 2006, a new maintainer started work towards the release of a new official mpg123 package. After several security rollup releases in the 0.6.x series, version 1.0 was released in 2007 under the LGPLv2.1, with libmpg123 as a replacement for mpglib.

References

External links

* {{Media player (application software), free Free audio software Audio player software for Linux Free media players Linux media players Free software primarily written in assembly language Free software programmed in C C (programming language) libraries

History

See also

References

External links