From 7f6ee3204f05689a6df8befd9c87bb4570b4a161 Mon Sep 17 00:00:00 2001
From: Jake Archibald <jaffathecake@gmail.com>
Date: Wed, 3 Mar 2021 12:02:43 +0000
Subject: [PATCH] Remove mt AVIF encoder for now (#964)

---
 src/features/encoders/avif/worker/avifEncode.ts | 11 -----------
 src/sw/to-cache.ts                              | 15 +--------------
 2 files changed, 1 insertion(+), 25 deletions(-)

diff --git a/src/features/encoders/avif/worker/avifEncode.ts b/src/features/encoders/avif/worker/avifEncode.ts
index c5103c2b..69aee72b 100644
--- a/src/features/encoders/avif/worker/avifEncode.ts
+++ b/src/features/encoders/avif/worker/avifEncode.ts
@@ -13,22 +13,11 @@
 import type { AVIFModule } from 'codecs/avif/enc/avif_enc';
 import type { EncodeOptions } from '../shared/meta';
 import wasmUrlWithoutMT from 'url:codecs/avif/enc/avif_enc.wasm';
-import wasmUrlWithMT from 'url:codecs/avif/enc/avif_enc_mt.wasm';
-import workerUrl from 'omt:codecs/avif/enc/avif_enc_mt.worker.js';
 import { initEmscriptenModule } from 'features/worker-utils';
-import { threads } from 'wasm-feature-detect';
 
 let emscriptenModule: Promise<AVIFModule>;
 
 async function init() {
-  if (await threads()) {
-    const avifEncoder = await import('codecs/avif/enc/avif_enc_mt');
-    return initEmscriptenModule<AVIFModule>(
-      avifEncoder.default,
-      wasmUrlWithMT,
-      workerUrl,
-    );
-  }
   const avifEncoder = await import('codecs/avif/enc/avif_enc.js');
   return initEmscriptenModule(avifEncoder.default, wasmUrlWithoutMT);
 }
diff --git a/src/sw/to-cache.ts b/src/sw/to-cache.ts
index 72adfc2f..ed377415 100644
--- a/src/sw/to-cache.ts
+++ b/src/sw/to-cache.ts
@@ -68,9 +68,6 @@ import webpDecWasm from 'url:codecs/webp/dec/webp_dec.wasm';
 import wp2DecWasm from 'url:codecs/wp2/dec/wp2_dec.wasm';
 
 // AVIF
-import * as avifEncMtWorker from 'entry-data:codecs/avif/enc/avif_enc_mt.worker.js';
-import * as avifEncMt from 'entry-data:codecs/avif/enc/avif_enc_mt';
-import avifEncMtWasm from 'url:codecs/avif/enc/avif_enc_mt.wasm';
 import avifEncWasm from 'url:codecs/avif/enc/avif_enc.wasm';
 import * as avifEnc from 'entry-data:codecs/avif/enc/avif_enc.js';
 
@@ -141,17 +138,7 @@ export const theRest = (async () => {
   if (!supportsWebP) items.push(webpDec.main, ...webpDec.deps, webpDecWasm);
 
   // AVIF
-  if (supportsThreads) {
-    items.push(
-      avifEncMtWorker.main,
-      ...avifEncMtWorker.deps,
-      avifEncMt.main,
-      ...avifEncMt.deps,
-      avifEncMtWasm,
-    );
-  } else {
-    items.push(avifEnc.main, ...avifEnc.deps, avifEncWasm);
-  }
+  items.push(avifEnc.main, ...avifEnc.deps, avifEncWasm);
 
   // JXL
   if (supportsThreads && supportsSimd) {