Implement utility function for making an instance of Array

Eyevinn · Jun 5, 2018 · e131eda · e131eda
1 parent 2306a46
commit e131eda
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Showing 2 changed files with 8 additions and 4 deletions.
diff --git a/src/remux/mp4-generator.js b/src/remux/mp4-generator.js
@@ -3,11 +3,10 @@
 */
 
 // import Hex from '../utils/hex';
+import makeArrayFromArrayLike from '../utils/make-array-from-array-like';
 
 const UINT32_MAX = Math.pow(2, 32) - 1;
 
-const copyAsArray = typeof Array.from === 'function' ? Array.from : Array.prototype.slice.call;
-
 class MP4 {
   static init () {
     MP4.types = {
@@ -336,7 +335,7 @@ class MP4 {
       len = data.byteLength;
       sps.push((len >>> 8) & 0xFF);
       sps.push((len & 0xFF));
-      sps = sps.concat(copyAsArray(data)); // SPS
+      sps = sps.concat(makeArrayFromArrayLike(data)); // SPS
     }
 
     // assemble the PPSs
@@ -345,7 +344,7 @@ class MP4 {
       len = data.byteLength;
       pps.push((len >>> 8) & 0xFF);
       pps.push((len & 0xFF));
-      pps = pps.concat(copyAsArray(data));
+      pps = pps.concat(makeArrayFromArrayLike(data));
     }
 
     let avcc = MP4.box(MP4.types.avcC, new Uint8Array([

diff --git a/src/utils/make-array-from-array-like.js b/src/utils/make-array-from-array-like.js
@@ -0,0 +1,5 @@
+'use strict';
+
+const MakeArrayFromArrayLike = typeof Array.from === 'function' ? Array.from : Array.prototype.slice.call;
+
+export default MakeArrayFromArrayLike;