From 43803d9080d3fcdeaeca5c721e9327ea27f7b0e2 Mon Sep 17 00:00:00 2001
From: Alexey Korepanov <grazder@yandex.ru>
Date: Thu, 12 Oct 2023 14:06:46 +0400
Subject: [PATCH] fix ring buffer indexes

---
 .../design-pattern/lib/wasm-audio-helper.js            | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/src/audio-worklet/design-pattern/lib/wasm-audio-helper.js b/src/audio-worklet/design-pattern/lib/wasm-audio-helper.js
index 7b2826225..1ea76b5fd 100644
--- a/src/audio-worklet/design-pattern/lib/wasm-audio-helper.js
+++ b/src/audio-worklet/design-pattern/lib/wasm-audio-helper.js
@@ -222,10 +222,7 @@ class RingBuffer {
       }
     }
 
-    this._writeIndex += sourceLength;
-    if (this._writeIndex >= this._length) {
-      this._writeIndex = 0;
-    }
+    this._writeIndex = (this._writeIndex + sourceLength) % this._length;
 
     // For excessive frames, the buffer will be overwritten.
     this._framesAvailable += sourceLength;
@@ -258,10 +255,7 @@ class RingBuffer {
       }
     }
 
-    this._readIndex += destinationLength;
-    if (this._readIndex >= this._length) {
-      this._readIndex = 0;
-    }
+    this._readIndex = (this._readIndex + destinationLength) % this._length;
 
     this._framesAvailable -= destinationLength;
     if (this._framesAvailable < 0) {