scratch-audio - npm Package Compare versions

Comparing version 0.1.0-prerelease.20181023202904 to 0.1.0-prerelease.20190108181031

package.json

 {
   "name": "scratch-audio",
-  "version": "0.1.0-prerelease.20181023202904",
+  "version": "0.1.0-prerelease.20190108181031",
   "description": "audio engine for scratch 3.0",
@@ -5,0 +5,0 @@ "main": "dist.js",

src/ArrayBufferStream.js

@@ -153,3 +153,12 @@ class ArrayBufferStream {
     readInt32 () {
-        const val = new Int32Array(this.arrayBuffer, this._position, 1)[0];
+        let val;
+        if (this._position % 4 === 0) {
+            val = new Int32Array(this.arrayBuffer, this._position, 1)[0];
+        } else {
+            // Cannot read Int32 directly out because offset is not multiple of 4
+            // Need to slice out the values first
+            val = new Int32Array(
+                this.arrayBuffer.slice(this._position, this._position + 4)
+            )[0];
+        }
         this._position += 4; // one 32 bit int is 4 bytes
@@ -156,0 +165,0 @@ return val;

src/AudioEngine.js

@@ -157,2 +157,7 @@ const StartAudioContext = require('./StartAudioContext');
             .catch(() => {
+                // If the file is empty, create an empty sound
+                if (sound.data.length === 0) {
+                    return Promise.resolve(this.audioContext.createBuffer(1, 1, this.audioContext.sampleRate));
+                }
+
                 // The audio context failed to parse the sound data
@@ -159,0 +164,0 @@ // we gave it, so try to decode as 'adpcm'

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Improved metrics

Total package byte prevSize

589318

increased by0.43%

Lines of code

4578

increased by0.53%

No dependency changes