MP3SPI

_{🅮 fraunhofer}

MP3 Java Sound SPI.

• decider is powered by jlayer
• encoder is powered by java-lame

Both are in pure Java.

Install

• maven

Usage

• decode
• encode

References

• Java Sound Programmer Guide

TODO

• encoder using https://github.com/nwaldispuehl/java-lame
• rename project as vavi-sound-mp3
• out source tag parser (use like vavi-util-tag)
• out source version
• jsidplay2:jump3r is the origin of java-lame (replace?)

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Original

JavaZOOM 1999-2005

Project Homepage :
http://www.javazoom.net/mp3spi/mp3spi.html

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

DESCRIPTION

MP3SPI is a SPI (Service Provider Interface) that adds MP3 support for JavaSound. It allows to play MPEG 1/2/2.5 Layer 1/2/3 files thanks to underlying JLayer and Tritonus libraries. This is a non-commercial project and anyone can add his contribution. MP3SPI is licensed under LGPL (see LICENSE).

FAQ

How to install MP3SPI ?

• https://github.com/umjammer/mp3spi/packages/1067666
• this project uses github packages. add a personal access token to ~/.m2/settings.xml
• see https://docs.github.com/en/packages/working-with-a-github-packages-registry/working-with-the-apache-maven-registry

Do I need JMF to run MP3SPI player ?

No, JMF is not required. You just need a JVM JavaSound 1.0 compliant. (i.e. JVM1.3 or higher). However, MP3SPI is not JMF compliant.

Does MP3SPI support streaming ?

Yes, it has been successfully tested with SHOUTCast and ICEcast streaming servers.

Does MP3SPI support MPEG 2.5 ?

Yes, MP3SPI includes same features as JLayer.

Does MP3SPI support VBR ?

Yes, It supports XING and VBRI VBR header too.

How to get ID3v2 tags from MP3SPI API ?

MP3SPI exposes many audio properties such as ID3v1/v2 frames, VBR, bitrate ... See online examples from MP3SPI homepage to learn how to get them. MP3SPI supports most used ID3v1.0, v1.1, v2.2, v2.3, v2.4 tags.

How to skip frames to have a seek feature ?

Call skip(long bytes) on AudioInputStream.

How to run jUnit tests ?

Run mvn test. You can update src/test/resources/test.mp3.properties file with the audio properties of the MP3 you want to use for testing.

How to enable debug/traces for the MP3SPI ?

Set the following system variable : "tritonus.TraceAudioFileReader=true" It means java.exe -Dtritonus.TraceAudioFileReader=true your.package.Player

How to contact MP3SPI developers ?

Try to post a thread on Java&MP3 online forums at : http://www.javazoom.net/services/forums/index.jsp You can also contact us at [email protected] for contributions. or me.

How to specify mp3 tag's encoding

Set the system property javazoom.spi.mpeg.encoding. e.g javazoom.spi.mpeg.encoding=MS932