From 12f91210474cbb949f3be7d3150257cbfc59ce6e Mon Sep 17 00:00:00 2001
From: trav90 <travawine@palemoon.org>
Date: Wed, 20 Sep 2023 14:06:59 -0500
Subject: [PATCH] Issue #2311 - Part 5 - Only load function pointer in FFTBlock
 once

---
 dom/media/webaudio/FFTBlock.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/dom/media/webaudio/FFTBlock.h b/dom/media/webaudio/FFTBlock.h
index f540f3a85d..072c9c0916 100644
--- a/dom/media/webaudio/FFTBlock.h
+++ b/dom/media/webaudio/FFTBlock.h
@@ -44,7 +44,9 @@ public:
   {
 #ifdef MOZ_LIBAV_FFT
     FFVPXRuntimeLinker::Init();
-    FFVPXRuntimeLinker::GetRDFTFuncs(&sRDFTFuncs);
+    if (!sRDFTFuncs.init) {
+      FFVPXRuntimeLinker::GetRDFTFuncs(&sRDFTFuncs);
+    }
 #endif
   }