Fix: encode() return a even number of samples

CHANGELOG.md

@@ -1,5 +1,8 @@
 # CHANGELOG
 
+## v4.1.1 (2019-09-11)
+- Fix: encode() should always return a even number of samples
+
 ## v4.1.0 (2019-09-06)
 - No clicks or time changes when compressing/decompressing
 - Fix: Range error bug when compressing

dist/imaadpcm.cjs.js

@@ -105,7 +105,11 @@ function encode(samples) {
     }
     block.push(samples[i]);
   }
-  return adpcmSamples.slice(0, (samples.length/2) + 512);
+  let samplesLength = (samples.length / 2);
+  if (samplesLength % 2) {
+    samplesLength--;
+  }
+  return adpcmSamples.slice(0, samplesLength + 512);
 }
 
 /**

dist/imaadpcm.js

@@ -101,7 +101,11 @@ function encode(samples) {
     }
     block.push(samples[i]);
   }
-  return adpcmSamples.slice(0, (samples.length/2) + 512);
+  let samplesLength = (samples.length / 2);
+  if (samplesLength % 2) {
+    samplesLength--;
+  }
+  return adpcmSamples.slice(0, samplesLength + 512);
 }
 
 /**

dist/imaadpcm.umd.js

@@ -107,7 +107,11 @@
       }
       block.push(samples[i]);
     }
-    return adpcmSamples.slice(0, (samples.length/2) + 512);
+    let samplesLength = (samples.length / 2);
+    if (samplesLength % 2) {
+      samplesLength--;
+    }
+    return adpcmSamples.slice(0, samplesLength + 512);
   }
 
   /**

docs/index.html

@@ -225,7 +225,7 @@ <h2>
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Sep 06 2019 13:38:13 GMT-0300 (Hora oficial do Brasil) using the <a href="https://github.com/clenemt/docdash">docdash</a> theme.
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Wed Sep 11 2019 04:25:44 GMT-0300 (Hora oficial do Brasil) using the <a href="https://github.com/clenemt/docdash">docdash</a> theme.
 </footer>
 
 <script>prettyPrint();</script>

docs/index.js.html

@@ -145,7 +145,11 @@ <h1 class="page-title">index.js</h1>
     }
     block.push(samples[i]);
   }
-  return adpcmSamples.slice(0, (samples.length/2) + 512);
+  let samplesLength = (samples.length / 2);
+  if (samplesLength % 2) {
+    samplesLength--;
+  }
+  return adpcmSamples.slice(0, samplesLength + 512);
 }
 
 /**
@@ -370,7 +374,7 @@ <h1 class="page-title">index.js</h1>
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Sep 06 2019 13:38:13 GMT-0300 (Hora oficial do Brasil) using the <a href="https://github.com/clenemt/docdash">docdash</a> theme.
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Wed Sep 11 2019 04:25:44 GMT-0300 (Hora oficial do Brasil) using the <a href="https://github.com/clenemt/docdash">docdash</a> theme.
 </footer>
 
 <script>prettyPrint();</script>

docs/module-imaadpcm.html

@@ -84,7 +84,7 @@ <h4 class="name" id=".decode"><span class="type-signature">(static) </span>decod
 
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="index.js.html">index.js</a>, <a href="index.js.html#line118">line 118</a>
+        <a href="index.js.html">index.js</a>, <a href="index.js.html#line122">line 122</a>
     </li></ul></dd>
 
 
@@ -258,7 +258,7 @@ <h4 class="name" id=".decodeBlock"><span class="type-signature">(static) </span>
 
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="index.js.html">index.js</a>, <a href="index.js.html#line160">line 160</a>
+        <a href="index.js.html">index.js</a>, <a href="index.js.html#line164">line 164</a>
     </li></ul></dd>
 
 
@@ -560,7 +560,7 @@ <h4 class="name" id=".encodeBlock"><span class="type-signature">(static) </span>
 
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="index.js.html">index.js</a>, <a href="index.js.html#line142">line 142</a>
+        <a href="index.js.html">index.js</a>, <a href="index.js.html#line146">line 146</a>
     </li></ul></dd>
 
 
@@ -712,7 +712,7 @@ <h5>Returns:</h5>
 <br class="clear">
 
 <footer>
-    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Fri Sep 06 2019 13:38:13 GMT-0300 (Hora oficial do Brasil) using the <a href="https://github.com/clenemt/docdash">docdash</a> theme.
+    Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.5.5</a> on Wed Sep 11 2019 04:25:44 GMT-0300 (Hora oficial do Brasil) using the <a href="https://github.com/clenemt/docdash">docdash</a> theme.
 </footer>
 
 <script>prettyPrint();</script>

index.js

@@ -106,7 +106,11 @@ export function encode(samples) {
     }
     block.push(samples[i]);
   }
-  return adpcmSamples.slice(0, (samples.length/2) + 512);
+  let samplesLength = (samples.length / 2);
+  if (samplesLength % 2) {
+    samplesLength--;
+  }
+  return adpcmSamples.slice(0, samplesLength + 512);
 }
 
 /**

package.json

@@ -1,6 +1,6 @@
 {
   "name": "imaadpcm",
-  "version": "4.1.0",
+  "version": "4.1.1",
   "description": "IMA ADPCM codec in JavaScript.",
   "homepage": "https://github.com/rochars/imaadpcm",
   "author": "Rafael S. Rocha <[email protected]>",