JLayer

MP3 Decoder in pure Java.

Install

• maven

Usage

• i recommend to use this library via mp3spi
• direct usage sample

References

• https://www.baeldung.com/java-play-sound

TODO

• javazoom
  • Implement high-level Player and Converter classes.
  • Add MP1 and MP2 support and test.
  • Add option to run each "stage" on own thread.
    • E.g. read & parse input, decode subbands, subband synthesis, audio output.
  • Retrofit seek support (temporarily removed when reworking classes.)
  • Document and give example code.

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Original

JavaZOOM 1999-2008

Project Homepage :
http://www.javazoom.net/javalayer/javalayer.html

JAVA and MP3 online Forums :
http://www.javazoom.net/services/forums/index.jsp

DESCRIPTION

JLayer is a library that decodes/plays/converts MPEG 1/2/2.5 Layer 1/2/3 (i.e. MP3) in real time for the JAVA(tm) platform. This is a non-commercial project and anyone can add his contribution. JLayer is licensed under LGPL (see LICENSE).

FAQ

How to install JLayer ?

• https://jitpack.io/#umjammer/jlayer

Do I need JMF to run JLayer player ?

No, JMF is not required. You just need a JVM JavaSound 1.0 compliant. (i.e. JVM1.3 or higher).

How to run the MP3TOWAV converter ?

  java javazoom.jl.converter.jlc -v -p output.wav yourfile.mp3

(Note : MP3TOWAV converter should work under jdk1.1.x or higher)

How to run the simple MP3 player ?

  java javazoom.jl.player.jlp localfile.mp3

or

  java javazoom.jl.player.jlp -url http://www.aserver.com/remotefile.mp3

Note : MP3 simple player only works under JVM that supports JavaSound 1.0 (i.e JDK1.3.x+)

How to run the advanced (threaded) MP3 player ?

  java javazoom.jl.player.advanced.jlap localfile.mp3

Does simple MP3 player support streaming ?

Yes, use the following command to play music from stream :

  java javazoom.jl.player.jlp -url http://www.shoutcastserver.com:8000

(If JLayer returns without playing SHOUTcast stream then it might mean that the server expect a winamp like "User-Agent" in HTTP request).

Does JLayer support MPEG 2.5 ?

Yes, it works fine for all files generated with LAME.

Does JLayer support VBR ?

Yes, It supports VBRI and XING VBR header too.

How to get ID3v1 or ID3v2 tags from JLayer API ?

The API provides a getRawID3v2() method to get an InputStream on ID3v2 frames.

How to skip frames to have a seek feature ?

See javazoom.jl.player.advanced.jlap source to learn how to skip frames.

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_{image designed by @umjammer, drawn by nano banana}