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mp3d

v2.1.1

Published

Get the duration of an MP3 file

Downloads

5

Readme

mp3d

Calculate duration of an MP3

The original version has a bug that output mp3 duration is seconds instead of milliseconds. In order to prevent any future api change risk. A fork version is created here.

Install

$ npm install --save mp3d

Usage

var mp3Duration = require('mp3d');

mp3Duration('file.mp3', function (err, duration) {
  if (err) return console.log(err.message);
  console.log('Your file is ' + duration + ' seconds long');
});

API

mp3Duration(filePathOrBuffer [, cbrEstimate] [, callback])

filePathOrBuffer

Type: string | Buffer

Path to the file or a buffer with the file's contents

cbrEstimate

Defaults to false. When set to true, will estimate the length of a constant-bitrate mp3. This speeds up the calculation a lot but isn't guaranteed to be accurate.

callback(error, duration)

Type: function

Callback to be called once duration is calculated. It's also possible to instead use the returned Promise. duration is the duration of the mp3 in ms.

Return value

mp3Duration returns a Promise that resolves to the duration of the mp3 in seconds or rejects with some error.

License

MIT © Han de Boer