mpg123 is a free and open-source audio player. It supports MPEG audio formats, including MP3. As a console application, it has no graphical user interface. mpg123's Assembly code is optimized with SIMD instructions to improve the performance of the iDCT part of the MPEG decoding. mpg123's decoding library, libmpg123 is used by DeaDBeeF, Audacious, XMMS and Winamp (version 5.8) for MP3 playback and can be used in Winamp before version 5.8 via a plugin. 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) licensed under the GPLv2. More information...
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