audio-buffer-list - npm Package Compare versions

Comparing version 4.1.0 to 5.0.0

index.js

@@ -19,3 +19,3 @@ /**
 
-
+// @constructor
 function AudioBufferList(arg, options) {
@@ -47,6 +47,2 @@ if (!(this instanceof AudioBufferList)) return new AudioBufferList(arg, options)
 
-//test instance
-AudioBufferList.isInstance = function (a) {
-  return a instanceof AudioBufferList
-}
 
@@ -114,3 +110,2 @@ //copy from channel into destination array
 
-
 //patch BufferList methods
@@ -142,15 +137,2 @@ AudioBufferList.prototype.append = function (buf) {
 
-
-AudioBufferList.prototype.offset = function _offset (offset) {
-  var tot = 0, i = 0, _t
-  if (offset === 0) return [ 0, 0 ]
-  for (; i < this.buffers.length; i++) {
-    _t = tot + this.buffers[i].length
-    if (offset < _t || i == this.buffers.length - 1)
-      return [ i, offset - tot ]
-    tot = _t
-  }
-}
-
-
 AudioBufferList.prototype._appendBuffer = function (buf) {
@@ -178,2 +160,16 @@ if (!buf) return this
 
+
+AudioBufferList.prototype.offset = function _offset (offset) {
+  var tot = 0, i = 0, _t
+  if (offset === 0) return [ 0, 0 ]
+  for (; i < this.buffers.length; i++) {
+    _t = tot + this.buffers[i].length
+    if (offset < _t || i == this.buffers.length - 1)
+      return [ i, offset - tot ]
+    tot = _t
+  }
+}
+
+
+
 //copy data to destination audio buffer
@@ -257,2 +253,12 @@ AudioBufferList.prototype.copy = function copy (dst, dstStart, srcStart, srcEnd) {
 
+//create a new list with the same data
+AudioBufferList.prototype.clone = function clone (start, end) {
+  var i = 0, copy = new AudioBufferList(0, this.numberOfChannels), sublist = this.slice(start, end)
+
+  for (; i < sublist.buffers.length; i++)
+    copy.append(util.clone(sublist.buffers[i]))
+
+  return copy
+}
+
 //do superficial handle
@@ -288,12 +294,3 @@ AudioBufferList.prototype.slice = function slice (start, end) {
 
-//clone with preserving data
-AudioBufferList.prototype.clone = function clone (start, end) {
-  var i = 0, copy = new AudioBufferList(0, this.numberOfChannels), sublist = this.slice(start, end)
 
-  for (; i < sublist.buffers.length; i++)
-    copy.append(util.clone(sublist.buffers[i]))
-
-  return copy
-}
-
 //clean up
@@ -313,3 +310,3 @@ AudioBufferList.prototype.destroy = function destroy () {
   if (!times) {
-    this.consume(this.length)
+    this.remove(0, this.length)
     return this
@@ -345,4 +342,5 @@ }
   source = new AudioBufferList(source)
-  this.buffers.splice.apply(this.buffers, [offset[0], 0].concat(source.buffers))
 
+  this.buffers.splice.apply(this.buffers, [offset[0] + (offset[1] ? 1 : 0), 0].concat(source.buffers))
+
   //update params
@@ -392,27 +390,2 @@ this.length += source.length
 
-//delete samples from the list, return self
-AudioBufferList.prototype.delete = function () {
-  this.remove.apply(this, arguments)
-  return this
-}
-
-//remove N sampled from the beginning
-AudioBufferList.prototype.consume = function consume (size) {
-  while (this.buffers.length) {
-    if (size >= this.buffers[0].length) {
-      size -= this.buffers[0].length
-      this.length -= this.buffers[0].length
-      this.buffers.shift()
-    } else {
-      //util.subbuffer would remain buffer in memory though it is faster
-      this.buffers[0] = util.subbuffer(this.buffers[0], size)
-      this.length -= size
-      break
-    }
-  }
-  this.duration = this.length / this.sampleRate
-  return this
-}
-
-
 //return new list via applying fn to each buffer from the indicated range
@@ -419,0 +392,0 @@ AudioBufferList.prototype.map = function map (fn, from, to) {

package.json

 {
   "name": "audio-buffer-list",
-  "version": "4.1.0",
+  "version": "5.0.0",
   "description": "Data structure for sequence of AudioBuffers",
@@ -5,0 +5,0 @@ "main": "index.js",

readme.md

@@ -30,8 +30,4 @@ # audio-buffer-list [![Build Status](https://travis-ci.org/audiojs/audio-buffer-list.svg?branch=master)](https://travis-ci.org/audiojs/audio-buffer-list) [![unstable](https://img.shields.io/badge/stability-unstable-green.svg)](http://github.com/badges/stability-badges) [![Greenkeeper badge](https://badges.greenkeeper.io/audiojs/audio-buffer-list.svg)](https://greenkeeper.io/)
 * [list.remove(idx?, len)](#listremoveoffset0-count)
-* [list.delete(idx?, len)](#listdeleteoffset0-count)
-* [list.consume(len)](#listconsumecount)
 * [list.slice(from?, to?)](#listslicestart0-end-0)
-* [list.clone(from?, to?)](#listclonestart0-end-0)
-* [list.map(fn, from?, to?)](#listmapbuffer-index-offset--bufferbool-from0-to-0)
-* [list.repeat(times)](#listrepeatcount)
+* [list.map(val|fn, from?, to?)](#listmapbuffer-index-offset--bufferbool-from0-to-0)
 * [list.copy(dst?, from?, to?)](#listcopydest-start0-end-0)
@@ -44,4 +40,5 @@ * [list.copyFromChannel(dst, ch, from?, to?)](#listcopyfromchannelarr-channel-startinchannel0)
 * [list.destroy()](#listdestroy)
-* [AudioBufferList.isInatance(arg)](#audiobufferlistisinstancearg)
 
+<!-- * [list.repeat(times)](#listrepeatcount) -->
+
 ### `new AudioBufferList(source, options?)`
@@ -76,10 +73,3 @@
 
-### `list.delete(offset=0, count)`
 
-Same as `list.remove`, but returns current list with deleted part being lost. That allows for different type of chainability.
-
-### `list.consume(count)`
-
-Delete data from the beginning. Returns current list.
-
 ### `list.slice(start=0, end=-0)`
@@ -89,9 +79,5 @@
 
-### `list.clone(start=0, end=-0)`
-
-Return copy of the list, consisting of cloned buffers.
-
 ### `list.map(mapper, from=0, to=-0, {reversed: false})`
 
-Map buffers of part of the list, defined by `from` and `to` arguments. Modifies list in-place.
+Map buffers from the interval defined by `from` and `to` arguments. Modifies list in-place.
 
@@ -148,6 +134,3 @@ Mapper function has signature `(buffer, idx, offset) => buffer`. `buffer` is an audio buffer to process, `idx` is buffer number, and `offset` is first buffer sample absolute offset. If mapper returns `undefined`, the buffer is preserved. If mapper returns `null`, the buffer is discarded. If mapper returns `false`, iterations are stopped.
 
-### `AudioBufferList.isInstance(arg)`
 
-Check if passed argument is instance of _AudioBufferList_.
-
 ## See also
@@ -154,0 +137,0 @@

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Worsened metrics

Total package byte prevSize

21076

decreased by-6.47%

Number of package files

5

decreased by-16.67%

Lines of code

425

decreased by-5.56%

Number of lines in readme file

137

decreased by-11.04%

No dependency changes