feat: add files

.editorconfig

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+root = true
+
+[*]
+charset = utf-8
+indent_style = space
+indent_size = 2
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[Makefile]
+charset = utf-8
+indent_style = tabs
+indent_size = 2
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.sh]
+insert_final_newline = false

.gitignore

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+node_modules
+.DS_Store
+npm-debug.log
+test/.tmp

.travis.yml

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+language: node_js
+node_js:
+  - "0.10"
+  - "0.12"
+script: npm test

README.md

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+# audioconcat [![Build Status](https://api.travis-ci.org/h2non/audioconcat.svg?branch=master)][travis] [![Code Climate](https://codeclimate.com/github/h2non/audioconcat/badges/gpa.svg)](https://codeclimate.com/github/h2non/audioconcat) [![NPM](https://img.shields.io/npm/v/audioconcat.svg)][npm] [![Dependency Status](https://gemnasium.com/h2non/audioconcat.svg)][gemnasium]
+
+Tiny [node.js](http://nodejs.org) module to concat multiple audio files using ffmpeg
+
+## Requirements
+
+- **[ffmpeg](http://ffmpeg.org)** with additional compilation flags `--enable-libass --enable-libmp3lame`
+
+You can download static builds of ffmpeg from [here](http://johnvansickle.com/ffmpeg/).
+
+If you want to use `audioconcat` in Heroku, you could use the [ffmpeg2](https://github.com/h2non/heroku-buildpack-ffmpeg2) buildpack
+
+## Install
+
+```bash
+npm install audioconcat
+```
+
+## Usage
+
+```js
+var videoshow = require('audioconcat')
+
+var songs = [
+  'beatles.mp3',
+  'greenday.mp3',
+  'u2.mp3'
+]
+
+audioconcat(songs)
+  .save('all.mp3')
+  .on('start', function (command) {
+    console.log('ffmpeg process started:', command)
+  })
+  .on('error', function (err, stdout, stderr) {
+    console.error('Error:', err)
+    console.error('ffmpeg stderr:', stderr)
+  })
+  .on('end', function (output) {
+    console.error('Audio created in:', output)
+  })
+```
+
+Take a look to the [programmatic API](#api) for more details
+
+## API
+
+### audioconcat(images, [ options ])
+Return: `audioconcat`
+
+audioconcat constructor. You should pass an `array<string>` with the desired audio files,
+and optionally passing the video render `options` object per each image.
+
+Supported audio formats: `mp3`, `acc`, `ogg` (based on your ffmpeg compilation)
+
+#### audioconcat#options(arguments)
+
+Add multiple output options as command-line flags to pass to `ffmpeg`.
+The argument must be an `array`
+
+### audioconcat.VERSION
+Type: `string`
+
+Current package semantic version
+
+### audioconcat.ffmpeg
+Type: `function`
+
+[fluent-ffmpeg](https://github.com/fluent-ffmpeg/node-fluent-ffmpeg) API constructor
+
+## License
+
+[MIT](http://opensource.org/licenses/MIT) © Tomas Aparicio
+
+[travis]: http://travis-ci.org/h2non/audioconcat
+[gemnasium]: https://gemnasium.com/h2non/audioconcat
+[npm]: http://npmjs.org/package/audioconcat
+[ffmpeg-api]: https://github.com/fluent-ffmpeg/node-fluent-ffmpeg#creating-an-ffmpeg-command
+[ffmpeg-colors]: https://www.ffmpeg.org/ffmpeg-utils.html#Color

index.js

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+var merge = require('lodash.merge')
+var ffmpeg = require('fluent-ffmpeg')
+
+module.exports = function audioconcat(inputs, opts) {
+  return new Audioconcat(inputs, opts)
+}
+
+function Audioconcat(inputs) {
+  this.inputs = inputs || []
+  this.opts = opts || {}
+}
+
+Audioconcat.prototype.options = function (opts) {
+  merge(this.opts, opts)
+  return this
+}
+
+Audioconcat.prototype.concat = function (file) {
+  if (file) {
+    this.opts.output = file
+  }
+  return concat(this.inputs, this.opts)
+}
+
+function concat(inputs, opts) {
+  var first = inputs.slice(0, 1).shift()
+  var output = this.opts.output
+  var filter = 'concat:' + inputs.join('|')
+
+  var renderer = ffmpeg(first)
+    .filter(filer)
+
+  if (opts.output) {
+    renderer.save(opts.output)
+  }
+
+  return renderer
+}

package.json

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+{
+  "name": "audioconcat",
+  "version": "0.1.0",
+  "description": "Concat multiple audio files into a unique one (uses ffmpeg)",
+  "repository": "h2non/audioconcat",
+  "author": "Tomas Aparicio",
+  "license": "MIT",
+  "main": "lib",
+  "directories": {
+    "lib": "./lib"
+  },
+  "scripts": {
+    "test": "./node_modules/.bin/mocha"
+  },
+  "keywords": [
+    "audio",
+    "mp3",
+    "acc",
+    "join",
+    "concat",
+    "merge",
+    "song",
+    "ffmpeg"
+  ],
+  "dependencies": {
+    "fluent-ffmpeg": "^2.0.0",
+    "lodash.merge": "^3.0.0"
+  },
+  "devDependencies": {
+    "chai": "^1.10.0",
+    "mocha": "^2.0.1",
+    "rimraf": "^2.2.8"
+  }
+}