lame4j's Introduction

Lame4J

A Java wrapper for LAME written in Rust using JNI. This also includes minimp3 to decode mp3 files.

This library includes natives for:

Windows x86
Windows x64
MacOS x64
MacOS aarch64
Linux x86
Linux x64
Linux aarch64

Usage

Maven

<dependency>
  <groupId>de.maxhenkel.lame4j</groupId>
  <artifactId>lame4j</artifactId>
  <version>2.0.3</version>
</dependency>

<repositories>
  <repository>
    <id>henkelmax.public</id>
    <url>https://maven.maxhenkel.de/repository/public</url>
  </repository>
</repositories>

Gradle

dependencies {
  implementation 'de.maxhenkel.lame4j:lame4j:2.0.3'
}

repositories {
  maven {
    name = "henkelmax.public"
    url = 'https://maven.maxhenkel.de/repository/public'
  }
}

Example

DecodedAudio decodedAudio = Mp3Decoder.decode(Files.newInputStream(Paths.get("myfile.mp3")));

short[] decode = decodedAudio.getSamples();

System.out.println("Sample Rate: " + decodedAudio.getSampleRate());
System.out.println("Bit Rate: " + decodedAudio.getBitRate());
System.out.println("Channels: " + decodedAudio.getChannelCount());
System.out.println("Frame Size: " + decodedAudio.getSampleSizeInBits());

System.out.println("Length: " + decode.length + " samples");
System.out.println("Duration: " + ((float) decode.length / (float) decodedAudio.getSampleRate()) + " seconds");

Mp3Encoder encoder = new Mp3Encoder(decodedAudio.getChannelCount(), decodedAudio.getSampleRate(), decodedAudio.getBitRate(), 5, Files.newOutputStream(Paths.get(args[1])));
encoder.write(decode);
encoder.close();