From 809ebffa20c03dbd9a2aa8bd98342a0121e1afa0 Mon Sep 17 00:00:00 2001
From: ThatcherC <j.thatcher.c@gmail.com>
Date: Wed, 22 Jul 2015 17:27:59 -0400
Subject: [PATCH 1/3] Added code for the getSamples function

---
 wav.js | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/wav.js b/wav.js
index fc8b7f5..cba1dde 100644
--- a/wav.js
+++ b/wav.js
@@ -15,6 +15,9 @@ NOTE: Does not auto-correct:
 @author  David Lindkvist
 @twitter ffdead
 
+@author Thatcher Chamberlin
+Added code for the getSamples function
+
 */
 
 
@@ -39,6 +42,8 @@ function wav(file) {
   this.file          = file instanceof Blob ? file : undefined;
   this.buffer        = file instanceof ArrayBuffer ? file : undefined;;
   
+  this.dataBuffer	 = file instanceof ArrayBuffer ? file : undefined;;
+  
   // format
   this.chunkID       = undefined; // must be RIFF
   this.chunkSize     = undefined; // size of file after this field
@@ -75,7 +80,7 @@ wav.prototype.peek = function () {
   
   // only load the first 44 bytes of the header
   var headerBlob = this.sliceFile(0, 44);
-  reader.readAsArrayBuffer(headerBlob);
+  reader.readAsArrayBuffer(this.file);
   
   reader.onloadend = function() {  
     that.buffer = this.result;
@@ -87,6 +92,7 @@ wav.prototype.parseArrayBuffer = function () {
   try {
     this.parseHeader();
     this.parseData();
+    this.getSamples();
     this.readyState = this.DONE;
   }
   catch (e) {
@@ -185,16 +191,16 @@ wav.prototype.slice = function (start, length, callback) {
 
 /*
  * do we need direct access to  samples?
- *
+ * Yes, definitely
+ * Samples can be accessed from the dataSamples variable
+ */
 wav.prototype.getSamples = function () {
-
-  // TODO load data chunk into buffer
+  
   if (this.bitsPerSample === 8)
-    this.dataSamples = new Uint8Array(this.buffer, 44, chunkSize/this.blockAlign);
+    this.dataSamples = new Uint8Array(this.buffer, 44, this.dataLength/this.blockAlign);
   else if (this.bitsPerSample === 16)
-    this.dataSamples = new Int16Array(this.buffer, 44, chunkSize/this.blockAlign);
+    this.dataSamples = new Int16Array(this.buffer, 44, this.dataLength/this.blockAlign);
 }
-*/
 
 /**
  * Reads slice from buffer as String

From 2c2acaed27bb08b53cf24810a90c4f755682b721 Mon Sep 17 00:00:00 2001
From: ThatcherC <j.thatcher.c@gmail.com>
Date: Wed, 22 Jul 2015 17:32:53 -0400
Subject: [PATCH 2/3] Added info about how to get samples from a file

---
 README.md | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/README.md b/README.md
index 9c06aea..706736b 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,18 @@ Slice file into a smaller wav chunk:
 
 The success callback is passed the resulting slice as an ArrayBuffer - this buffer represents a new WAVE file of the slice (with WAVE headers).
 
+Read samples from a wav file:
+
+    var fileInput = document.getElementById('fileInput');
+    var file = fileInput.files[0];
+    var wavFile = new wav(file);
+    
+    wavFile.onloadend = function () {
+        //Print out all the samples
+        console.log(wavFile.dataSamples);
+    };
+
+
 Example
 -----
 

From c409631906895fd4629cc17cba470cd4d637d715 Mon Sep 17 00:00:00 2001
From: ThatcherC <j.thatcher.c@gmail.com>
Date: Wed, 22 Jul 2015 17:35:24 -0400
Subject: [PATCH 3/3] Changed sample-loading to be optional

---
 README.md | 2 ++
 wav.js    | 1 -
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 706736b..478dfba 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,8 @@ Read samples from a wav file:
     var wavFile = new wav(file);
     
     wavFile.onloadend = function () {
+        //Load all samples
+        wavFile.getSamples();
         //Print out all the samples
         console.log(wavFile.dataSamples);
     };
diff --git a/wav.js b/wav.js
index cba1dde..d1dc3f1 100644
--- a/wav.js
+++ b/wav.js
@@ -92,7 +92,6 @@ wav.prototype.parseArrayBuffer = function () {
   try {
     this.parseHeader();
     this.parseData();
-    this.getSamples();
     this.readyState = this.DONE;
   }
   catch (e) {