reversebuffer - npm Package Compare versions

Comparing version 2.0.0 to 3.0.0

dist/reverseplayer.js

@@ -5,35 +5,32 @@ (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
 /*
-	constructor
-	var revBuffer = new ReverseBuffer({buffer: audioBuffer, context: AudioContext});
+	var revBuffer = reversebuffer({buffer: audioBuffer, context: AudioContext});
+	var revBuffer = reversebuffer(audioBuffer);
 */
-function ReverseBuffer(options){
+function reversebuffer(options){
 
-	if(!(this instanceof ReverseBuffer)){
-		throw new TypeError("ReverseBuffer constructor cannot be called as a function.");
-	}
-
 	window.AudioContext = window.AudioContext || window.webkitAudioContext;
 
-	window.ReverseBuffer = this;
+	var buffer;
+	var context;
+	var reverseBuffer;
 
-	options = options || {};
-	for (var opt in options){
-		if (this.hasOwnProperty(opt) && options[opt] !== undefined){
-			this[opt] = options[opt];
-		}
-	}
-	this.context = options.context || window.AudioContext;
-	this._buffer = options.buffer;
-	this.reverseBuffer = null;
 	var _chIndex = 0;
 	var _sIndex = 0;
 
-	if (this._buffer) {
-	   this.reverseBuffer = this.context.createBuffer(this._buffer.numberOfChannels, this._buffer.length, this._buffer.sampleRate);
+	if (options instanceof AudioBuffer){
+		buffer = options;
+		context = new window.AudioContext();
+	}else{
+		context = options.context || new window.AudioContext();
+		buffer = options.buffer;
+	}
 
-	   for (_chIndex = 0; _chIndex < this._buffer.numberOfChannels; _chIndex++){
-	      var dest = this.reverseBuffer.getChannelData(_chIndex);
-	      var src = this._buffer.getChannelData(_chIndex);
-	      for (_sIndex = 0; _sIndex < this._buffer.length; _sIndex++){
-	         dest[_sIndex] = src[this._buffer.length-_sIndex];
+	if (buffer) {
+	   reverseBuffer = context.createBuffer(buffer.numberOfChannels, buffer.length, buffer.sampleRate);
+
+	   for (_chIndex = 0; _chIndex < buffer.numberOfChannels; _chIndex++){
+	      var dest = reverseBuffer.getChannelData(_chIndex);
+	      var src = buffer.getChannelData(_chIndex);
+	      for (_sIndex = 0; _sIndex < buffer.length; _sIndex++){
+	         dest[_sIndex] = src[buffer.length-_sIndex];
 	      }
@@ -43,7 +40,7 @@ }
 
-   return this.reverseBuffer;
-
+  return reverseBuffer;
 }
 
-module.exports = ReverseBuffer;
+module.exports = reversebuffer;
+
 },{}]},{},[1]);

lib/reversebuffer.js

 "use strict";
 
 /*
-	constructor
-	var revBuffer = new ReverseBuffer({buffer: audioBuffer, context: AudioContext});
+	var revBuffer = reversebuffer({buffer: audioBuffer, context: AudioContext});
+	var revBuffer = reversebuffer(audioBuffer);
 */
-function ReverseBuffer(options){
+function reversebuffer(options){
 
-	if(!(this instanceof ReverseBuffer)){
-		throw new TypeError("ReverseBuffer constructor cannot be called as a function.");
-	}
-
 	window.AudioContext = window.AudioContext || window.webkitAudioContext;
 
-	window.ReverseBuffer = this;
+	var buffer;
+	var context;
+	var reverseBuffer;
 
-	options = options || {};
-	for (var opt in options){
-		if (this.hasOwnProperty(opt) && options[opt] !== undefined){
-			this[opt] = options[opt];
-		}
-	}
-	this.context = options.context || window.AudioContext;
-	this._buffer = options.buffer;
-	this.reverseBuffer = null;
 	var _chIndex = 0;
 	var _sIndex = 0;
 
-	if (this._buffer) {
-	   this.reverseBuffer = this.context.createBuffer(this._buffer.numberOfChannels, this._buffer.length, this._buffer.sampleRate);
+	if (options instanceof AudioBuffer){
+		buffer = options;
+		context = new window.AudioContext();
+	}else{
+		context = options.context || new window.AudioContext();
+		buffer = options.buffer;
+	}
 
-	   for (_chIndex = 0; _chIndex < this._buffer.numberOfChannels; _chIndex++){
-	      var dest = this.reverseBuffer.getChannelData(_chIndex);
-	      var src = this._buffer.getChannelData(_chIndex);
-	      for (_sIndex = 0; _sIndex < this._buffer.length; _sIndex++){
-	         dest[_sIndex] = src[this._buffer.length-_sIndex];
+	if (buffer) {
+	   reverseBuffer = context.createBuffer(buffer.numberOfChannels, buffer.length, buffer.sampleRate);
+
+	   for (_chIndex = 0; _chIndex < buffer.numberOfChannels; _chIndex++){
+	      var dest = reverseBuffer.getChannelData(_chIndex);
+	      var src = buffer.getChannelData(_chIndex);
+	      for (_sIndex = 0; _sIndex < buffer.length; _sIndex++){
+	         dest[_sIndex] = src[buffer.length-_sIndex];
 	      }
@@ -41,6 +38,5 @@ }
 
-   return this.reverseBuffer;
-
+  return reverseBuffer;
 }
 
-module.exports = ReverseBuffer;
+module.exports = reversebuffer;

package.json

 {
   "name": "reversebuffer",
-  "version": "2.0.0",
+  "version": "3.0.0",
   "description": "Give a reversed Audio Buffer from a forward playing buffer",
@@ -17,3 +17,5 @@ "main": "lib/reversebuffer.js",
     "playback",
-    "mp3"
+    "mp3",
+    "audio",
+    "audiobuffer"
   ],
@@ -20,0 +22,0 @@ "author": "Yap Hong Kheng",

README.md

@@ -1,4 +0,4 @@
-# ReverseBuffer
+# reversebuffer
 
-Returns a reverse buffer of AudioBuffer from an original forward playing AudioBuffer.
+Returns a reverse buffer of [AudioBuffer](http://webaudio.github.io/web-audio-api/#the-audiobuffer-interface) from an original AudioBuffer.
 
@@ -12,12 +12,12 @@ A reverse buffer mimics a "backward" playback of an audio source when it is being played forward normally.
 ```
-var ReverseBuffer = require("reversebuffer");
+var reversebuffer = require("reversebuffer");
 
 var audioContext = new AudioContext();
 
-// Make an AudioBuffer
+// Make an AudioBuffer or get decode it from a file.
 var bufferSource = audioContext.createBuffer();
 
 // In turn returns a reversed AudioBuffer
-var revBuffer = new ReverseBuffer({
-	buffer: bufferSource, 
+var revBuffer = reversebuffer({
+	buffer: bufferSource,
 	context: audioContext
@@ -34,3 +34,3 @@ });
 var WebAudioLoader = require("webaudioloader");
-var ReverseBuffer = require("reversebuffer");
+var reversebuffer = require("reversebuffer");
 
@@ -59,4 +59,4 @@ var audioContext = new AudioContext();
 
-var reverseBuffer = new ReverseBuffer({
-	buffer: originalBuffer, 
+var reverseBuffer = reversebuffer({
+	buffer: originalBuffer,
 	context: audioContext
@@ -70,9 +70,9 @@ });
 1. npm
-	
+
 	``` npm install --save-dev reversebuffer```
 
 2. Using browserify
-	
-	```var ReverseBuffer = require("reversebuffer");```
 
+	```var reversebuffer = require("reversebuffer");```
+
 3. Standalone (global object, AMD) [builds are here](https://github.com/Sonoport/reversebuffer/tree/master/dist)
@@ -82,13 +82,13 @@
 
-### Constructor
+```var revBuffer = reversebuffer(options);```
 
-```var revBuffer = new ReverseBuffer(options);```
-
 * option object have this arguments
 	- `buffer`: AudioBuffer - buffer source to be reversed
 	- `context`: AudioContext - an AudioContext to use for decoding the audio
+* returns an AudioBuffer which is reversed.
 
-### Properties
+```var revBuffer = reversebuffer(audioBuffer);```
 
-* `reverseBuffer` : AudioBuffer - Reversed audio buffer
+* `buffer`: AudioBuffer - buffer source to be reversed
+* returns an AudioBuffer which is reversed.
 
@@ -95,0 +95,0 @@ ## License

New alerts

New author

Supply chain risk

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

Found 1 instance in 1 package

Worsened metrics

Total package byte prevSize

8136

-2.92%

Lines of code

72

-6.49%

Number of medium supply chain risk alerts

1

Infinity%

No dependency changes