@wasm-audio-decoders/flac - npm Package Compare versions

Comparing version 0.2.4 to 0.2.5

package.json

 {
   "name": "@wasm-audio-decoders/flac",
-  "version": "0.2.4",
+  "version": "0.2.5",
   "description": "Web Assembly streaming FLAC decoder",
@@ -55,4 +55,4 @@ "type": "module",
     "@wasm-audio-decoders/common": "9.0.5",
-    "codec-parser": "2.4.3"
+    "codec-parser": "2.5.0"
   }
 }

README.md

 # `@wasm-audio-decoders/flac`
 
 `@wasm-audio-decoders/flac` is a Web Assembly FLAC / Ogg FLAC audio decoder.
-  * 64.8 KiB minified bundle size
+  * 65.3 KiB minified bundle size
   * Browser and NodeJS support
@@ -6,0 +6,0 @@ * Built in Web Worker support

src/FLACDecoder.js

 import { WASMAudioDecoderCommon } from "@wasm-audio-decoders/common";
 import CodecParser, {
   data,
-  absoluteGranulePosition,
-  samples,
+  totalSamples,
   codecFrames,
@@ -189,2 +188,3 @@ isLastPage,
 const init = Symbol();
+const totalSamplesDecoded = Symbol();
 
@@ -209,4 +209,4 @@ export default class FLACDecoder {
     this[decodeMethod] = placeholderDecodeMethod;
+    this[totalSamplesDecoded] = 0;
     this._codecParser = null;
-    this._beginningSampleOffset = undefined;
   }
@@ -260,25 +260,19 @@
     const oggPage = oggPages[oggPages.length - 1];
-    if (oggPages.length && Number(oggPage[absoluteGranulePosition]) > -1) {
-      if (this._beginningSampleOffset === undefined) {
-        this._beginningSampleOffset =
-          oggPage[absoluteGranulePosition] - BigInt(oggPage[samples]);
-      }
+    if (oggPage && oggPage[isLastPage]) {
+      // trim any extra samples that are decoded beyond the absoluteGranulePosition, relative to where we started in the stream
+      const samplesToTrim = this[totalSamplesDecoded] - oggPage[totalSamples];
 
-      if (oggPage[isLastPage]) {
-        // trim any extra samples that are decoded beyond the absoluteGranulePosition, relative to where we started in the stream
-        const samplesToTrim =
-          decoded.samplesDecoded - Number(oggPage[absoluteGranulePosition]);
+      if (samplesToTrim > 0) {
+        for (let i = 0; i < decoded.channelData.length; i++)
+          decoded.channelData[i] = decoded.channelData[i].subarray(
+            0,
+            decoded.samplesDecoded - samplesToTrim,
+          );
 
-        if (samplesToTrim > 0) {
-          for (let i = 0; i < decoded.channelData.length; i++)
-            decoded.channelData[i] = decoded.channelData[i].subarray(
-              0,
-              decoded.samplesDecoded - samplesToTrim,
-            );
-
-          decoded.samplesDecoded -= samplesToTrim;
-        }
+        decoded.samplesDecoded -= samplesToTrim;
       }
     }
 
+    this[totalSamplesDecoded] += decoded.samplesDecoded;
+
     return decoded;
@@ -285,0 +279,0 @@ }

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Improved metrics

Total package byte prevSize

193347

increased by0.64%

Worsened metrics

Lines of code

953

decreased by-0.52%

Dependency changes

• + Addedcodec-parser@2.5.0(transitive)

• - Removedcodec-parser@2.4.3(transitive)

• Updatedcodec-parser@2.5.0