asdf

Also limit the workaround for memory usage to large images.

.gitattributes

@@ -0,0 +1,2 @@
+/codecs/**/*.js linguist-generated=true
+/codecs/*/pkg*/*.d.ts linguist-generated=true

.github/workflows/node.js.yml

@@ -0,0 +1,22 @@
+name: Node.js CI
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+
+    steps:
+    - uses: actions/checkout@v2
+    - id: nvmrc
+      uses: browniebroke/read-nvmrc-action@v1
+    - uses: actions/setup-node@v1
+      with:
+        node-version: '${{ steps.nvmrc.outputs.node_version }}'
+    - run: npm ci
+    - run: npm run build

.gitignore

@@ -1,6 +1,11 @@
+.tmp
 node_modules
-/build
-/*.log
 *.scss.d.ts
 *.css.d.ts
+build
 *.o
+
+# Auto-generated by lib/feature-plugin.js
+src/features-worker/index.ts
+src/client/lazy-app/worker-bridge/meta.ts
+src/client/lazy-app/feature-meta/index.ts

.nvmrc

@@ -1 +1 @@
-10.16.2
+14.15.1

.prettierignore

@@ -0,0 +1,12 @@
+codecs
+.tmp
+node_modules
+*.scss.d.ts
+*.css.d.ts
+build
+*.o
+
+# Auto-generated by lib/feature-plugin.js
+src/features-worker/index.ts
+src/client/lazy-app/worker-bridge/meta.ts
+src/client/lazy-app/feature-meta/index.ts

.prettierrc.json

@@ -0,0 +1,4 @@
+{
+  "singleQuote": true,
+  "trailingComma": "all"
+}

.travis.yml

@@ -1,7 +0,0 @@
-language: node_js
-cache: npm
-script: npm run build
-after_success: npm run sizereport
-os:
-  - linux
-  - windows

_headers.ejs

@@ -1,18 +0,0 @@
-# Long-term cache by default.
-/*
-  Cache-Control: max-age=31536000
-
-# And here are the exceptions:
-/
-  Cache-Control: no-cache
-
-/serviceworker.js
-  Cache-Control: no-cache
-
-/manifest.json
-  Cache-Control: must-revalidate, max-age=3600
-
-# URLs in /assets do not include a hash and are mutable.
-# But it isn't a big deal if the user gets an old version.
-/assets/*
-  Cache-Control: must-revalidate, max-age=3600

client-tsconfig.json

@@ -0,0 +1,19 @@
+{
+  "extends": "./generic-tsconfig.json",
+  "compilerOptions": {
+    "lib": ["esnext", "dom", "dom.iterable"],
+    "types": []
+  },
+  "include": [
+    "src/features/**/client/**/*",
+    "src/features/**/shared/**/*",
+    "src/features/client-utils/**/*",
+    "src/shared/**/*",
+    "src/client/**/*",
+    // Not really clean, but we need these to access the type of the functions
+    // for comlink
+    "src/features/**/worker/**/*",
+    "src/features-worker/**/*",
+    "src/features/worker-utils/**/*"
+  ]
+}

codecs/avif/Makefile

@@ -1,138 +1,84 @@
-CODEC_URL = https://github.com/AOMediaCodec/libavif/archive/v0.8.1.tar.gz
+CODEC_URL = https://github.com/AOMediaCodec/libavif/archive/31d7c6d1e32cf467ac24fb8c7a76c4902a4c00db.tar.gz
 CODEC_PACKAGE = node_modules/libavif.tar.gz
 
-CODEC_ENC_DIR = node_modules/libavif-enc
-CODEC_ENC_BUILD_DIR := $(CODEC_ENC_DIR)/build
-CODEC_ENC_OUT := $(CODEC_ENC_BUILD_DIR)/libavif.a
-
-CODEC_DEC_DIR = node_modules/libavif-dec
-CODEC_DEC_BUILD_DIR := $(CODEC_DEC_DIR)/build
-CODEC_DEC_OUT := $(CODEC_DEC_BUILD_DIR)/libavif.a
-
 LIBAOM_URL = https://aomedia.googlesource.com/aom/+archive/v2.0.0.tar.gz
 LIBAOM_PACKAGE = node_modules/libaom.tar.gz
 
-LIBAOM_ENC_DIR := $(CODEC_ENC_DIR)/ext/aom
-LIBAOM_ENC_BUILD_DIR := $(LIBAOM_ENC_DIR)/build.libavif
-LIBAOM_ENC_OUT := $(LIBAOM_ENC_BUILD_DIR)/libaom.a
-
-LIBAOM_DEC_DIR := $(CODEC_DEC_DIR)/ext/aom
-LIBAOM_DEC_BUILD_DIR := $(LIBAOM_DEC_DIR)/build.libavif
-LIBAOM_DEC_OUT := $(LIBAOM_DEC_BUILD_DIR)/libaom.a
+export CODEC_DIR = node_modules/libavif
+BUILD_DIR := node_modules/build
+ENC_BUILD_DIR := $(BUILD_DIR)/enc
+ENC_MT_BUILD_DIR := $(BUILD_DIR)/enc-mt
+DEC_BUILD_DIR := $(BUILD_DIR)/dec
+export LIBAOM_DIR = node_modules/libaom
 
 OUT_ENC_JS = enc/avif_enc.js
-OUT_ENC_CPP = $(OUT_ENC_JS:.js=.cpp)
-OUT_ENC_WASM = $(OUT_ENC_JS:.js=.wasm)
-
+OUT_ENC_MT_JS = enc/avif_enc_mt.js
 OUT_DEC_JS = dec/avif_dec.js
-OUT_DEC_CPP = $(OUT_DEC_JS:.js=.cpp)
-OUT_DEC_WASM = $(OUT_DEC_JS:.js=.wasm)
 
-# ERROR_ON_UNDEFINED_SYMBOLS=0 is needed to seperate the encoder and decoder
-EMSCRIPTEN_FLAGS = ${CXXFLAGS} \
-	${LDFLAGS} \
-	--bind \
-	--closure 1 \
-	-s ALLOW_MEMORY_GROWTH=1 \
-	-s MODULARIZE=1 \
-	-s ERROR_ON_UNDEFINED_SYMBOLS=0
+OUT_ENC_CPP = enc/avif_enc.cpp
+OUT_DEC_CPP = dec/avif_dec.cpp
 
-CODEC_EMCMAKE = emcmake cmake \
-	-DCMAKE_BUILD_TYPE=Release \
-	-DBUILD_SHARED_LIBS=0 \
-	-DAVIF_CODEC_AOM=1 \
-	-DAVIF_LOCAL_AOM=1 \
-	../
-
-LIBAOM_FLAGS = -DCMAKE_BUILD_TYPE=Release \
-	-DENABLE_CCACHE=0 \
-	-DAOM_TARGET_CPU=generic \
-	-DENABLE_DOCS=0 \
-	-DENABLE_TESTS=0 \
-	-DENABLE_EXAMPLES=0 \
-	-DENABLE_TOOLS=0 \
-	-DCONFIG_ACCOUNTING=1 \
-	-DCONFIG_INSPECTION=0 \
-	-DCONFIG_MULTITHREAD=0 \
-	-DCONFIG_RUNTIME_CPU_DETECT=0 \
-	-DCONFIG_WEBM_IO=0
+HELPER_MAKEFLAGS := -f helper.Makefile
 
 .PHONY: all clean
 
-all: $(OUT_ENC_JS) $(OUT_DEC_JS)
+all: $(OUT_ENC_JS) $(OUT_DEC_JS) $(OUT_ENC_MT_JS)
 
-$(OUT_ENC_JS): $(OUT_ENC_CPP) $(LIBAOM_ENC_OUT) $(CODEC_ENC_OUT)
-	$(CXX) \
-		-I $(CODEC_ENC_DIR)/include \
-		${EMSCRIPTEN_FLAGS} \
-		-s 'EXPORT_NAME="$(basename $(@F))"' \
-		-o $@ \
-		$+
+$(OUT_ENC_JS): $(OUT_ENC_CPP) $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_DIR)/CMakeLists.txt
+	$(MAKE) \
+		$(HELPER_MAKEFLAGS) \
+		BUILD_DIR=$(ENC_BUILD_DIR) \
+		OUT_JS=$@ \
+		OUT_CPP=$< \
+		LIBAOM_FLAGS="\
+			-DCONFIG_AV1_DECODER=0 \
+			-DCONFIG_MULTITHREAD=0 \
+			-DCONFIG_AV1_HIGHBITDEPTH=0 \
+		" \
+		LIBAVIF_FLAGS="-DAVIF_CODEC_AOM_DECODE=0"
 
-$(OUT_DEC_JS): $(OUT_DEC_CPP) $(LIBAOM_DEC_OUT) $(CODEC_DEC_OUT)
-	$(CXX) \
-		-I $(CODEC_DEC_DIR)/include \
-		${EMSCRIPTEN_FLAGS} \
-		-s 'EXPORT_NAME="$(basename $(@F))"' \
-		-o $@ \
-		$+
+$(OUT_ENC_MT_JS): $(OUT_ENC_CPP) $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_DIR)/CMakeLists.txt
+	$(MAKE) \
+		$(HELPER_MAKEFLAGS) \
+		BUILD_DIR=$(ENC_MT_BUILD_DIR) \
+		OUT_JS=$@ \
+		OUT_CPP=$< \
+		LIBAOM_FLAGS="\
+			-DCONFIG_AV1_DECODER=0 \
+			-DCONFIG_AV1_HIGHBITDEPTH=0 \
+		" \
+		LIBAVIF_FLAGS="-DAVIF_CODEC_AOM_DECODE=0" \
+		OUT_FLAGS="-pthread"
 
-$(CODEC_ENC_OUT): $(CODEC_ENC_DIR)/CMakeLists.txt $(LIBAOM_ENC_OUT)
-	mkdir -p $(CODEC_ENC_BUILD_DIR)
-	cd $(CODEC_ENC_BUILD_DIR) && \
-	$(CODEC_EMCMAKE) && \
-	$(MAKE)
-
-$(CODEC_DEC_OUT): $(CODEC_DEC_DIR)/CMakeLists.txt $(LIBAOM_DEC_OUT)
-	mkdir -p $(CODEC_DEC_BUILD_DIR)
-	cd $(CODEC_DEC_BUILD_DIR) && \
-	$(CODEC_EMCMAKE) && \
-	$(MAKE)
-
-$(LIBAOM_ENC_OUT): $(LIBAOM_ENC_DIR)/CMakeLists.txt
-	mkdir -p $(LIBAOM_ENC_BUILD_DIR)
-	cd $(LIBAOM_ENC_BUILD_DIR) && \
-	emcmake cmake \
-		$(LIBAOM_FLAGS) \
-		-DCONFIG_AV1_DECODER=0 \
-		-DCONFIG_AV1_HIGHBITDEPTH=0 \
-		../ && \
-	$(MAKE)
-
-$(LIBAOM_DEC_OUT): $(LIBAOM_DEC_DIR)/CMakeLists.txt
-	mkdir -p $(LIBAOM_DEC_BUILD_DIR)
-	cd $(LIBAOM_DEC_BUILD_DIR) && \
-	emcmake cmake \
-		$(LIBAOM_FLAGS) \
-		-DCONFIG_AV1_ENCODER=0 \
-		../ && \
-	$(MAKE)
-
-$(CODEC_ENC_DIR)/CMakeLists.txt: $(CODEC_ENC_DIR)
-$(CODEC_DEC_DIR)/CMakeLists.txt: $(CODEC_DEC_DIR)
-
-$(LIBAOM_ENC_DIR)/CMakeLists.txt: $(LIBAOM_ENC_DIR)
-$(LIBAOM_DEC_DIR)/CMakeLists.txt: $(LIBAOM_DEC_DIR)
+$(OUT_DEC_JS): $(OUT_DEC_CPP) $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_DIR)/CMakeLists.txt
+	$(MAKE) \
+		$(HELPER_MAKEFLAGS) \
+		BUILD_DIR=$(DEC_BUILD_DIR) \
+		OUT_JS=$@ \
+		OUT_CPP=$< \
+		LIBAOM_FLAGS="\
+			-DCONFIG_AV1_ENCODER=0 \
+			-DCONFIG_MULTITHREAD=0 \
+		" \
+		LIBAVIF_FLAGS="-DAVIF_CODEC_AOM_ENCODE=0"
 
 $(CODEC_PACKAGE):
-	mkdir -p $(dir $@)
+	mkdir -p $(@D)
 	curl -sL $(CODEC_URL) -o $@
 
 $(LIBAOM_PACKAGE):
-	mkdir -p $(dir $@)
+	mkdir -p $(@D)
 	curl -sL $(LIBAOM_URL) -o $@
 
-$(CODEC_ENC_DIR) $(CODEC_DEC_DIR): $(CODEC_PACKAGE)
-	mkdir -p $@
-	tar xz --strip 1 -C $@ -f $(CODEC_PACKAGE)
+$(CODEC_DIR)/CMakeLists.txt: $(CODEC_PACKAGE)
+	mkdir -p $(@D)
+	tar xzm --strip 1 -C $(@D) -f $(CODEC_PACKAGE)
 
-$(LIBAOM_ENC_DIR) $(LIBAOM_DEC_DIR): $(LIBAOM_PACKAGE)
-	mkdir -p $@
-	tar xz -C $@ -f $(LIBAOM_PACKAGE)
+$(LIBAOM_DIR)/CMakeLists.txt: $(LIBAOM_PACKAGE)
+	mkdir -p $(@D)
+	tar xzm -C $(@D) -f $(LIBAOM_PACKAGE)
 
 clean:
-	$(RM) $(LIBAOM_PACKAGE) $(CODEC_PACKAGE) $(OUT_ENC_JS) $(OUT_ENC_WASM) $(OUT_DEC_JS) $(OUT_DEC_WASM)
-	$(MAKE) -C $(CODEC_ENC_BUILD_DIR) clean
-	$(MAKE) -C $(CODEC_DEC_BUILD_DIR) clean
-	$(MAKE) -C $(LIBAOM_ENC_BUILD_DIR) clean
-	$(MAKE) -C $(LIBAOM_DEC_BUILD_DIR) clean
+	$(MAKE) $(HELPER_MAKEFLAGS) BUILD_DIR=$(ENC_BUILD_DIR) OUT_JS=$(OUT_ENC_JS) clean
+	$(MAKE) $(HELPER_MAKEFLAGS) BUILD_DIR=$(ENC_MT_BUILD_DIR) OUT_JS=$(OUT_ENC_MT_JS) clean
+	$(MAKE) $(HELPER_MAKEFLAGS) BUILD_DIR=$(DEC_BUILD_DIR) OUT_JS=$(OUT_DEC_JS) clean

codecs/avif/dec/avif_dec.cpp

@@ -8,15 +8,10 @@ thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");
 thread_local const val ImageData = val::global("ImageData");
 
 val decode(std::string avifimage) {
-  // point raw.data and raw.size to the contents of an .avif(s)
-  avifROData raw = {
-    .data = (uint8_t*)avifimage.c_str(),
-    .size = avifimage.length()
-  };
-
   avifImage* image = avifImageCreateEmpty();
   avifDecoder* decoder = avifDecoderCreate();
-  avifResult decodeResult = avifDecoderRead(decoder, image, &raw);
+  avifResult decodeResult =
+      avifDecoderReadMemory(decoder, image, (uint8_t*)avifimage.c_str(), avifimage.length());
   // image is an independent copy of decoded data, decoder may be destroyed here
   avifDecoderDestroy(decoder);
 
@@ -25,7 +20,8 @@ val decode(std::string avifimage) {
   if (decodeResult == AVIF_RESULT_OK) {
     // Convert to interleaved RGB(A)/BGR(A) using a libavif-allocated buffer.
     avifRGBImage rgb;
-    avifRGBImageSetDefaults(&rgb, image);  // Defaults to AVIF_RGB_FORMAT_RGBA which is what we want.
+    avifRGBImageSetDefaults(&rgb,
+                            image);  // Defaults to AVIF_RGB_FORMAT_RGBA which is what we want.
     rgb.depth = 8;  // Does not need to match image->depth. We always want 8-bit pixels.
 
     avifRGBImageAllocatePixels(&rgb);
@@ -33,7 +29,9 @@ val decode(std::string avifimage) {
 
     // We want to create a *copy* of the decoded data to be owned by the JavaScript side.
     // For that, we perform `new Uint8Array(wasmMemBuffer, wasmPtr, wasmSize).slice()`:
-    result = ImageData.new_(Uint8ClampedArray.new_(typed_memory_view(rgb.rowBytes * rgb.height, rgb.pixels)), rgb.width, rgb.height);
+    result = ImageData.new_(
+        Uint8ClampedArray.new_(typed_memory_view(rgb.rowBytes * rgb.height, rgb.pixels)), rgb.width,
+        rgb.height);
 
     // Now we can safely free the RGB pixels:
     avifRGBImageFreePixels(&rgb);

codecs/avif/dec/avif_dec.d.ts

@@ -1,6 +1,7 @@
-interface AVIFModule extends EmscriptenWasm.Module {
+export interface AVIFModule extends EmscriptenWasm.Module {
   decode(data: BufferSource): ImageData | null;
 }
 
-export default function(opts: EmscriptenWasm.ModuleOpts): AVIFModule;
+declare var moduleFactory: EmscriptenWasm.ModuleFactory<AVIFModule>;
 
+export default moduleFactory;

codecs/avif/enc/avif_enc.cpp

@@ -1,4 +1,5 @@
 #include <emscripten/bind.h>
+#include <emscripten/threading.h>
 #include <emscripten/val.h>
 #include "avif/avif.h"
 
@@ -50,13 +51,10 @@ val encode(std::string buffer, int width, int height, AvifOptions options) {
 
   avifImage* image = avifImageCreate(width, height, depth, format);
 
-  if (
-    options.maxQuantizer == AVIF_QUANTIZER_LOSSLESS &&
-    options.minQuantizer == AVIF_QUANTIZER_LOSSLESS &&
-    options.minQuantizerAlpha == AVIF_QUANTIZER_LOSSLESS &&
-    options.maxQuantizerAlpha == AVIF_QUANTIZER_LOSSLESS &&
-    format == AVIF_PIXEL_FORMAT_YUV444
-  ) {
+  if (options.maxQuantizer == AVIF_QUANTIZER_LOSSLESS &&
+      options.minQuantizer == AVIF_QUANTIZER_LOSSLESS &&
+      options.minQuantizerAlpha == AVIF_QUANTIZER_LOSSLESS &&
+      options.maxQuantizerAlpha == AVIF_QUANTIZER_LOSSLESS && format == AVIF_PIXEL_FORMAT_YUV444) {
     image->matrixCoefficients = AVIF_MATRIX_COEFFICIENTS_IDENTITY;
   } else {
     image->matrixCoefficients = AVIF_MATRIX_COEFFICIENTS_BT709;
@@ -71,7 +69,7 @@ val encode(std::string buffer, int width, int height, AvifOptions options) {
   avifImageRGBToYUV(image, &srcRGB);
 
   avifEncoder* encoder = avifEncoderCreate();
-  encoder->maxThreads = 1;
+  encoder->maxThreads = emscripten_num_logical_cores();
   encoder->minQuantizer = options.minQuantizer;
   encoder->maxQuantizer = options.maxQuantizer;
   encoder->minQuantizerAlpha = options.minQuantizerAlpha;

codecs/avif/enc/avif_enc.d.ts

@@ -1,7 +1,23 @@
-import { EncodeOptions } from '../../../src/codecs/avif/encoder-meta';
-
-interface AVIFModule extends EmscriptenWasm.Module {
-  encode(data: BufferSource, width: number, height: number, options: EncodeOptions): Uint8Array | null;
+export interface EncodeOptions {
+  minQuantizer: number;
+  maxQuantizer: number;
+  minQuantizerAlpha: number;
+  maxQuantizerAlpha: number;
+  tileRowsLog2: number;
+  tileColsLog2: number;
+  speed: number;
+  subsample: number;
 }
 
-export default function(opts: EmscriptenWasm.ModuleOpts): AVIFModule;
+export interface AVIFModule extends EmscriptenWasm.Module {
+  encode(
+    data: BufferSource,
+    width: number,
+    height: number,
+    options: EncodeOptions,
+  ): Uint8Array | null;
+}
+
+declare var moduleFactory: EmscriptenWasm.ModuleFactory<AVIFModule>;
+
+export default moduleFactory;

codecs/avif/enc/avif_enc_mt.d.ts

@@ -0,0 +1,2 @@
+export * from './avif_enc';
+export { default } from './avif_enc';

codecs/avif/enc/avif_enc_mt.worker.js

@@ -0,0 +1,103 @@
+var threadInfoStruct = 0;
+var selfThreadId = 0;
+var parentThreadId = 0;
+var initializedJS = false;
+var Module = {};
+function threadPrintErr() {
+  var text = Array.prototype.slice.call(arguments).join(' ');
+  console.error(text);
+}
+function threadAlert() {
+  var text = Array.prototype.slice.call(arguments).join(' ');
+  postMessage({ cmd: 'alert', text: text, threadId: selfThreadId });
+}
+var err = threadPrintErr;
+this.alert = threadAlert;
+Module['instantiateWasm'] = function (info, receiveInstance) {
+  var instance = new WebAssembly.Instance(Module['wasmModule'], info);
+  Module['wasmModule'] = null;
+  receiveInstance(instance);
+  return instance.exports;
+};
+this.onmessage = function (e) {
+  try {
+    if (e.data.cmd === 'load') {
+      Module['wasmModule'] = e.data.wasmModule;
+      Module['wasmMemory'] = e.data.wasmMemory;
+      Module['buffer'] = Module['wasmMemory'].buffer;
+      Module['ENVIRONMENT_IS_PTHREAD'] = true;
+      import(e.data.urlOrBlob)
+        .then(function (avif_enc_mt) {
+          return avif_enc_mt.default(Module);
+        })
+        .then(function (instance) {
+          Module = instance;
+          postMessage({ cmd: 'loaded' });
+        });
+    } else if (e.data.cmd === 'objectTransfer') {
+      Module['PThread'].receiveObjectTransfer(e.data);
+    } else if (e.data.cmd === 'run') {
+      Module['__performance_now_clock_drift'] = performance.now() - e.data.time;
+      threadInfoStruct = e.data.threadInfoStruct;
+      Module['registerPthreadPtr'](
+        threadInfoStruct,
+        /*isMainBrowserThread=*/ 0,
+        /*isMainRuntimeThread=*/ 0,
+      );
+      selfThreadId = e.data.selfThreadId;
+      parentThreadId = e.data.parentThreadId;
+      var max = e.data.stackBase;
+      var top = e.data.stackBase + e.data.stackSize;
+      Module['establishStackSpace'](top, max);
+      Module['_emscripten_tls_init']();
+      Module['PThread'].receiveObjectTransfer(e.data);
+      Module['PThread'].setThreadStatus(Module['_pthread_self'](), 1);
+      if (!initializedJS) {
+        Module['___embind_register_native_and_builtin_types']();
+        initializedJS = true;
+      }
+      try {
+        var result = Module['dynCall']('ii', e.data.start_routine, [
+          e.data.arg,
+        ]);
+        if (!Module['getNoExitRuntime']()) Module['PThread'].threadExit(result);
+      } catch (ex) {
+        if (ex === 'Canceled!') {
+          Module['PThread'].threadCancel();
+        } else if (ex != 'unwind') {
+          Atomics.store(
+            Module['HEAPU32'],
+            (threadInfoStruct + 4) >> /*C_STRUCTS.pthread.threadExitCode*/ 2,
+            ex instanceof Module['ExitStatus'] ? ex.status : -2,
+          );
+          /*A custom entry specific to Emscripten denoting that the thread crashed.*/ Atomics.store(
+            Module['HEAPU32'],
+            (threadInfoStruct + 0) >> /*C_STRUCTS.pthread.threadStatus*/ 2,
+            1,
+          );
+          Module['_emscripten_futex_wake'](
+            threadInfoStruct + 0,
+            /*C_STRUCTS.pthread.threadStatus*/ 2147483647,
+          );
+          if (!(ex instanceof Module['ExitStatus'])) throw ex;
+        }
+      }
+    } else if (e.data.cmd === 'cancel') {
+      if (threadInfoStruct) {
+        Module['PThread'].threadCancel();
+      }
+    } else if (e.data.target === 'setimmediate') {
+    } else if (e.data.cmd === 'processThreadQueue') {
+      if (threadInfoStruct) {
+        Module['_emscripten_current_thread_process_queued_calls']();
+      }
+    } else {
+      err('worker.js received unknown command ' + e.data.cmd);
+      err(e.data);
+    }
+  } catch (ex) {
+    err('worker.js onmessage() captured an uncaught exception: ' + ex);
+    if (ex && ex.stack) err(ex.stack);
+    throw ex;
+  }
+};

codecs/avif/helper.Makefile

@@ -0,0 +1,75 @@
+# This is a helper Makefile for building LibAVIF + LibAOM with given params.
+#
+# Params that must be supplied by the caller:
+#   $(CODEC_DIR)
+#   $(LIBAOM_DIR)
+#   $(BUILD_DIR)
+#   $(OUT_JS)
+#   $(OUT_CPP)
+#   $(LIBAOM_FLAGS)
+#   $(LIBAVIF_FLAGS)
+
+CODEC_BUILD_DIR := $(BUILD_DIR)/libavif
+CODEC_OUT := $(CODEC_BUILD_DIR)/libavif.a
+
+LIBAOM_BUILD_DIR := $(BUILD_DIR)/libaom
+LIBAOM_OUT := $(LIBAOM_BUILD_DIR)/libaom.a
+
+OUT_WASM = $(OUT_JS:.js=.wasm)
+OUT_WORKER=$(OUT_JS:.js=.worker.js)
+
+.PHONY: all clean
+
+all: $(OUT_JS)
+
+$(OUT_JS): $(OUT_CPP) $(LIBAOM_OUT) $(CODEC_OUT)
+	$(CXX) \
+		-I $(CODEC_DIR)/include \
+		$(CXXFLAGS) \
+		$(LDFLAGS) \
+		$(OUT_FLAGS) \
+		--bind \
+		--closure 1 \
+		-s ALLOW_MEMORY_GROWTH=1 \
+		-s MODULARIZE=1 \
+		-s TEXTDECODER=2 \
+		-s ENVIRONMENT='worker' \
+		-s EXPORT_ES6=1 \
+		-s EXPORT_NAME="$(basename $(@F))" \
+		-o $@ \
+		$+
+
+$(CODEC_OUT): $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_OUT)
+	emcmake cmake \
+		-DCMAKE_BUILD_TYPE=Release \
+		-DBUILD_SHARED_LIBS=0 \
+		-DAVIF_CODEC_AOM=1 \
+		-DAOM_LIBRARY=$(LIBAOM_OUT) \
+		-DAOM_INCLUDE_DIR=$(LIBAOM_DIR) \
+		$(LIBAVIF_FLAGS) \
+		-B $(CODEC_BUILD_DIR) \
+		$(CODEC_DIR) && \
+	$(MAKE) -C $(CODEC_BUILD_DIR)
+
+$(LIBAOM_OUT): $(LIBAOM_DIR)/CMakeLists.txt
+	emcmake cmake \
+		-DCMAKE_BUILD_TYPE=Release \
+		-DENABLE_CCACHE=0 \
+		-DAOM_TARGET_CPU=generic \
+		-DENABLE_DOCS=0 \
+		-DENABLE_TESTS=0 \
+		-DENABLE_EXAMPLES=0 \
+		-DENABLE_TOOLS=0 \
+		-DCONFIG_ACCOUNTING=1 \
+		-DCONFIG_INSPECTION=0 \
+		-DCONFIG_RUNTIME_CPU_DETECT=0 \
+		-DCONFIG_WEBM_IO=0 \
+		$(LIBAOM_FLAGS) \
+		-B $(LIBAOM_BUILD_DIR) \
+		$(LIBAOM_DIR) && \
+	$(MAKE) -C $(LIBAOM_BUILD_DIR)
+
+clean:
+	$(RM) $(OUT_JS) $(OUT_WASM) $(OUT_WORKER)
+	$(MAKE) -C $(CODEC_BUILD_DIR) clean
+	$(MAKE) -C $(LIBAOM_BUILD_DIR) clean

codecs/build-rust.sh

@@ -1,4 +1,10 @@
 set -e
 
-docker build -t squoosh-rust - < ../rust.Dockerfile
-docker run --rm -v $PWD:/src squoosh-rust "$@"
+if [ ! -z "$RUST_IMG" ]
+then
+  # Get part after ":" (https://stackoverflow.com/a/15149278/439965).
+  IMG_SUFFIX=-${RUST_IMG#*:}
+fi
+IMG_NAME=squoosh-rust$IMG_SUFFIX
+docker build -t $IMG_NAME --build-arg RUST_IMG - < ../rust.Dockerfile
+docker run --rm -v $PWD:/src $IMG_NAME "$@"

codecs/cpp.Dockerfile

@@ -1,8 +1,8 @@
-FROM emscripten/emsdk:1.40.0
+FROM emscripten/emsdk:2.0.8
 RUN apt-get update && apt-get install -qqy autoconf libtool pkg-config
-ENV CFLAGS "-Os -flto"
+ENV CFLAGS "-O3 -flto"
 ENV CXXFLAGS "${CFLAGS} -std=c++17"
-ENV LDFLAGS "${CFLAGS}"
+ENV LDFLAGS "${CFLAGS} -s PTHREAD_POOL_SIZE=navigator.hardwareConcurrency"
 # Build and cache standard libraries with these flags
 RUN emcc ${CXXFLAGS} --bind -xc++ /dev/null -o /dev/null
 WORKDIR /src

codecs/hqx/Dockerfile

@@ -1,11 +0,0 @@
-# This is intentionally an old version of Rust. Newer versions
-# generate _significantly_ bigger Wasm binaries.
-FROM rust:1.37
-RUN rustup target add wasm32-unknown-unknown
-RUN curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
-
-RUN mkdir /opt/binaryen && \
- curl -L https://github.com/WebAssembly/binaryen/releases/download/1.38.32/binaryen-1.38.32-x86-linux.tar.gz  | tar -xzf - -C /opt/binaryen --strip 1
-
-ENV PATH="/opt/binaryen:${PATH}"
-WORKDIR /src

codecs/hqx/build.sh

@@ -1,21 +0,0 @@
-#!/bin/bash
-
-set -e
-
-echo "============================================="
-echo "Compiling wasm"
-echo "============================================="
-(
-  wasm-pack build -- --verbose --locked
-  rm pkg/.gitignore
-)
-echo "============================================="
-echo "Compiling wasm  done"
-echo "============================================="
-
-echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
-echo "Did you update your docker image?"
-echo "Run \`docker pull ubuntu\`"
-echo "Run \`docker pull rust\`"
-echo "Run \`docker build -t squoosh-hqx .\`"
-echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

codecs/hqx/package.json

@@ -1,7 +1,6 @@
 {
   "name": "hqx",
   "scripts": {
-    "build:image": "docker build -t squoosh-hqx - < Dockerfile",
-    "build": "docker run --rm -v $(pwd):/src squoosh-hqx ./build.sh"
+    "build": "RUST_IMG=rust:1.40 ../build-rust.sh"
   }
 }

codecs/hqx/pkg/README.md

@@ -0,0 +1,5 @@
+# HQX
+
+- Source: <https://github.com/CryZe/wasmboy-rs>
+- Version: v0.1.2
+- License: Apache 2.0

codecs/hqx/pkg/squooshhqx.d.ts

@@ -1,10 +1,48 @@
 /* tslint:disable */
 /* eslint-disable */
 /**
-* @param {Uint32Array} input_image
-* @param {number} input_width
-* @param {number} input_height
-* @param {number} factor
-* @returns {Uint32Array}
-*/
-export function resize(input_image: Uint32Array, input_width: number, input_height: number, factor: number): Uint32Array;
+ * @param {Uint32Array} input_image
+ * @param {number} input_width
+ * @param {number} input_height
+ * @param {number} factor
+ * @returns {Uint32Array}
+ */
+export function resize(
+  input_image: Uint32Array,
+  input_width: number,
+  input_height: number,
+  factor: number,
+): Uint32Array;
+
+export type InitInput =
+  | RequestInfo
+  | URL
+  | Response
+  | BufferSource
+  | WebAssembly.Module;
+
+export interface InitOutput {
+  readonly memory: WebAssembly.Memory;
+  readonly resize: (
+    a: number,
+    b: number,
+    c: number,
+    d: number,
+    e: number,
+    f: number,
+  ) => void;
+  readonly __wbindgen_malloc: (a: number) => number;
+  readonly __wbindgen_free: (a: number, b: number) => void;
+}
+
+/**
+ * If `module_or_path` is {RequestInfo} or {URL}, makes a request and
+ * for everything else, calls `WebAssembly.instantiate` directly.
+ *
+ * @param {InitInput | Promise<InitInput>} module_or_path
+ *
+ * @returns {Promise<InitOutput>}
+ */
+export default function init(
+  module_or_path?: InitInput | Promise<InitInput>,
+): Promise<InitOutput>;

codecs/hqx/pkg/squooshhqx.js

@@ -1,2 +1,107 @@
-import * as wasm from "./squooshhqx_bg.wasm";
-export * from "./squooshhqx_bg.js";
+let wasm;
+
+let cachegetUint32Memory0 = null;
+function getUint32Memory0() {
+  if (
+    cachegetUint32Memory0 === null ||
+    cachegetUint32Memory0.buffer !== wasm.memory.buffer
+  ) {
+    cachegetUint32Memory0 = new Uint32Array(wasm.memory.buffer);
+  }
+  return cachegetUint32Memory0;
+}
+
+let WASM_VECTOR_LEN = 0;
+
+function passArray32ToWasm0(arg, malloc) {
+  const ptr = malloc(arg.length * 4);
+  getUint32Memory0().set(arg, ptr / 4);
+  WASM_VECTOR_LEN = arg.length;
+  return ptr;
+}
+
+let cachegetInt32Memory0 = null;
+function getInt32Memory0() {
+  if (
+    cachegetInt32Memory0 === null ||
+    cachegetInt32Memory0.buffer !== wasm.memory.buffer
+  ) {
+    cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer);
+  }
+  return cachegetInt32Memory0;
+}
+
+function getArrayU32FromWasm0(ptr, len) {
+  return getUint32Memory0().subarray(ptr / 4, ptr / 4 + len);
+}
+/**
+ * @param {Uint32Array} input_image
+ * @param {number} input_width
+ * @param {number} input_height
+ * @param {number} factor
+ * @returns {Uint32Array}
+ */
+export function resize(input_image, input_width, input_height, factor) {
+  var ptr0 = passArray32ToWasm0(input_image, wasm.__wbindgen_malloc);
+  var len0 = WASM_VECTOR_LEN;
+  wasm.resize(8, ptr0, len0, input_width, input_height, factor);
+  var r0 = getInt32Memory0()[8 / 4 + 0];
+  var r1 = getInt32Memory0()[8 / 4 + 1];
+  var v1 = getArrayU32FromWasm0(r0, r1).slice();
+  wasm.__wbindgen_free(r0, r1 * 4);
+  return v1;
+}
+
+async function load(module, imports) {
+  if (typeof Response === 'function' && module instanceof Response) {
+    if (typeof WebAssembly.instantiateStreaming === 'function') {
+      try {
+        return await WebAssembly.instantiateStreaming(module, imports);
+      } catch (e) {
+        if (module.headers.get('Content-Type') != 'application/wasm') {
+          console.warn(
+            '`WebAssembly.instantiateStreaming` failed because your server does not serve wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n',
+            e,
+          );
+        } else {
+          throw e;
+        }
+      }
+    }
+
+    const bytes = await module.arrayBuffer();
+    return await WebAssembly.instantiate(bytes, imports);
+  } else {
+    const instance = await WebAssembly.instantiate(module, imports);
+
+    if (instance instanceof WebAssembly.Instance) {
+      return { instance, module };
+    } else {
+      return instance;
+    }
+  }
+}
+
+async function init(input) {
+  if (typeof input === 'undefined') {
+    input = import.meta.url.replace(/\.js$/, '_bg.wasm');
+  }
+  const imports = {};
+
+  if (
+    typeof input === 'string' ||
+    (typeof Request === 'function' && input instanceof Request) ||
+    (typeof URL === 'function' && input instanceof URL)
+  ) {
+    input = fetch(input);
+  }
+
+  const { instance, module } = await load(await input, imports);
+
+  wasm = instance.exports;
+  init.__wbindgen_wasm_module = module;
+
+  return wasm;
+}
+
+export default init;

codecs/hqx/pkg/squooshhqx_bg.js

@@ -1,48 +0,0 @@
-import * as wasm from './squooshhqx_bg.wasm';
-
-let cachegetUint32Memory0 = null;
-function getUint32Memory0() {
-    if (cachegetUint32Memory0 === null || cachegetUint32Memory0.buffer !== wasm.memory.buffer) {
-        cachegetUint32Memory0 = new Uint32Array(wasm.memory.buffer);
-    }
-    return cachegetUint32Memory0;
-}
-
-let WASM_VECTOR_LEN = 0;
-
-function passArray32ToWasm0(arg, malloc) {
-    const ptr = malloc(arg.length * 4);
-    getUint32Memory0().set(arg, ptr / 4);
-    WASM_VECTOR_LEN = arg.length;
-    return ptr;
-}
-
-let cachegetInt32Memory0 = null;
-function getInt32Memory0() {
-    if (cachegetInt32Memory0 === null || cachegetInt32Memory0.buffer !== wasm.memory.buffer) {
-        cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer);
-    }
-    return cachegetInt32Memory0;
-}
-
-function getArrayU32FromWasm0(ptr, len) {
-    return getUint32Memory0().subarray(ptr / 4, ptr / 4 + len);
-}
-/**
-* @param {Uint32Array} input_image
-* @param {number} input_width
-* @param {number} input_height
-* @param {number} factor
-* @returns {Uint32Array}
-*/
-export function resize(input_image, input_width, input_height, factor) {
-    var ptr0 = passArray32ToWasm0(input_image, wasm.__wbindgen_malloc);
-    var len0 = WASM_VECTOR_LEN;
-    wasm.resize(8, ptr0, len0, input_width, input_height, factor);
-    var r0 = getInt32Memory0()[8 / 4 + 0];
-    var r1 = getInt32Memory0()[8 / 4 + 1];
-    var v1 = getArrayU32FromWasm0(r0, r1).slice();
-    wasm.__wbindgen_free(r0, r1 * 4);
-    return v1;
-}
-

codecs/imagequant/Makefile

@@ -18,7 +18,9 @@ all: $(OUT_JS)
 		--closure 1 \
 		-s ALLOW_MEMORY_GROWTH=1 \
 		-s MODULARIZE=1 \
-		-s 'EXPORT_NAME="$(basename $(@F))"' \
+		-s TEXTDECODER=2 \
+		-s ENVIRONMENT='worker' \
+		-s EXPORT_ES6=1 \
 		-o $@ \
 		$+
 

codecs/imagequant/example.html

@@ -1,18 +1,17 @@
-<!doctype html>
+<!DOCTYPE html>
 <style>
   canvas {
     image-rendering: pixelated;
   }
 </style>
-<script src='imagequant.js'></script>
-<script>
-  const Module = imagequant();
+<script type="module">
+  import imagequant from './imagequant.js';
 
   async function loadImage(src) {
     // Load image
     const img = document.createElement('img');
     img.src = src;
-    await new Promise(resolve => img.onload = resolve);
+    await new Promise((resolve) => (img.onload = resolve));
     // Make canvas same size as image
     const canvas = document.createElement('canvas');
     [canvas.width, canvas.height] = [img.width, img.height];
@@ -22,19 +21,32 @@
     return ctx.getImageData(0, 0, img.width, img.height);
   }
 
-  Module.onRuntimeInitialized = async _ => {
-    console.log('Version:', Module.version().toString(16));
+  async function main() {
+    const module = await imagequant();
+
+    console.log('Version:', module.version().toString(16));
     const image = await loadImage('../example.png');
-    // const rawImage = Module.quantize(image.data, image.width, image.height, 256, 1.0);
-    const rawImage = Module.zx_quantize(image.data, image.width, image.height, 1.0);
+    const rawImage = module.quantize(
+      image.data,
+      image.width,
+      image.height,
+      256,
+      1.0,
+    );
     console.log('done');
 
-    const imageData = new ImageData(new Uint8ClampedArray(rawImage.buffer), image.width, image.height);
+    const imageData = new ImageData(
+      new Uint8ClampedArray(rawImage.buffer),
+      image.width,
+      image.height,
+    );
     const canvas = document.createElement('canvas');
     canvas.width = image.width;
     canvas.height = image.height;
     const ctx = canvas.getContext('2d');
     ctx.putImageData(imageData, 0, 0);
     document.body.appendChild(canvas);
-  };
+  }
+
+  main();
 </script>

codecs/imagequant/imagequant.d.ts

@@ -1,6 +1,19 @@
-interface QuantizerModule extends EmscriptenWasm.Module {
-  quantize(data: BufferSource, width: number, height: number, numColors: number, dither: number): Uint8ClampedArray;
-  zx_quantize(data: BufferSource, width: number, height: number, dither: number): Uint8ClampedArray;
+export interface QuantizerModule extends EmscriptenWasm.Module {
+  quantize(
+    data: BufferSource,
+    width: number,
+    height: number,
+    numColors: number,
+    dither: number,
+  ): Uint8ClampedArray;
+  zx_quantize(
+    data: BufferSource,
+    width: number,
+    height: number,
+    dither: number,
+  ): Uint8ClampedArray;
 }
 
-export default function(opts: EmscriptenWasm.ModuleOpts): QuantizerModule;
+declare var moduleFactory: EmscriptenWasm.ModuleFactory<QuantizerModule>;
+
+export default moduleFactory;

codecs/jxl/Makefile

@@ -0,0 +1,59 @@
+CODEC_URL = https://gitlab.com/wg1/jpeg-xl.git
+CODEC_VERSION = v0.1
+CODEC_DIR = node_modules/jxl
+CODEC_BUILD_DIR := $(CODEC_DIR)/build
+CODEC_OUT := $(CODEC_BUILD_DIR)/lib/libjxl.a
+
+OUT_JS = enc/jxl_enc.js dec/jxl_dec.js
+OUT_WASM = $(OUT_JS:.js=.wasm)
+
+.PHONY: all clean
+
+all: $(OUT_JS)
+
+%.js: %.cpp $(LIBAOM_OUT) $(CODEC_OUT)
+	$(CXX) \
+		-I $(CODEC_DIR) \
+		-I $(CODEC_DIR)/lib \
+		-I $(CODEC_DIR)/lib/include \
+		-I $(CODEC_BUILD_DIR)/lib/include \
+		-I $(CODEC_DIR)/third_party/highway \
+		-I $(CODEC_DIR)/third_party/skcms \
+		-I $(CODEC_DIR)/third_party/brunsli \
+		-I $(CODEC_DIR)/third_party/brunsli/c/include \
+		${CXXFLAGS} \
+		${LDFLAGS} \
+		--bind \
+		--closure 1 \
+		-s ALLOW_MEMORY_GROWTH=1 \
+		-s MODULARIZE=1 \
+		-s TEXTDECODER=2 \
+		-s ENVIRONMENT='worker' \
+		-s EXPORT_ES6=1 \
+		-s EXPORT_NAME="$(basename $(@F))" \
+		-o $@ \
+		$+ \
+		$(CODEC_BUILD_DIR)/artifacts/libbrunslienc-static.bc \
+		$(CODEC_BUILD_DIR)/artifacts/libbrunslicommon-static.bc \
+		$(CODEC_BUILD_DIR)/artifacts/libbrunslidec-static.bc \
+		$(CODEC_BUILD_DIR)/third_party/brotli/libbrotlidec-static.a \
+		$(CODEC_BUILD_DIR)/third_party/brotli/libbrotlienc-static.a \
+		$(CODEC_BUILD_DIR)/third_party/brotli/libbrotlicommon-static.a \
+		$(CODEC_BUILD_DIR)/third_party/libskcms.a \
+		$(CODEC_BUILD_DIR)/third_party/highway/libhwy.a
+
+$(CODEC_OUT): $(CODEC_DIR)/CMakeLists.txt
+	mkdir -p $(CODEC_BUILD_DIR)
+	cd $(CODEC_BUILD_DIR) && \
+	emcmake cmake ../ && \
+	$(MAKE) jxl-static
+
+$(CODEC_DIR)/CMakeLists.txt: $(CODEC_DIR)
+
+$(CODEC_DIR):
+	mkdir -p $@
+	git clone $(CODEC_URL) --recursive -j`nproc` --depth 1 --branch $(CODEC_VERSION) $@
+
+clean:
+	$(RM) $(OUT_JS) $(OUT_WASM)
+	$(MAKE) -C $(CODEC_BUILD_DIR) clean

codecs/jxl/dec/jxl_dec.cpp

@@ -0,0 +1,93 @@
+#include <emscripten/bind.h>
+#include <emscripten/val.h>
+
+#include <jxl/decode.h>
+#include "lib/jxl/color_encoding_internal.h"
+
+#include "skcms.h"
+
+using namespace emscripten;
+
+thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");
+thread_local const val ImageData = val::global("ImageData");
+
+// R, G, B, A
+#define COMPONENTS_PER_PIXEL 4
+
+#ifndef JXL_DEBUG_ON_ALL_ERROR
+#define JXL_DEBUG_ON_ALL_ERROR 0
+#endif
+
+#if JXL_DEBUG_ON_ALL_ERROR
+#define EXPECT_TRUE(a)                                             \
+  if (!(a)) {                                                      \
+    fprintf(stderr, "Assertion failure (%d): %s\n", __LINE__, #a); \
+    return val::null();                                            \
+  }
+#define EXPECT_EQ(a, b)                                                                          \
+  {                                                                                              \
+    int a_ = a;                                                                                  \
+    int b_ = b;                                                                                  \
+    if (a_ != b_) {                                                                              \
+      fprintf(stderr, "Assertion failure (%d): %s (%d) != %s (%d)\n", __LINE__, #a, a_, #b, b_); \
+      return val::null();                                                                        \
+    }                                                                                            \
+  }
+#else
+#define EXPECT_TRUE(a)  \
+  if (!(a)) {           \
+    return val::null(); \
+  }
+
+#define EXPECT_EQ(a, b) EXPECT_TRUE((a) == (b));
+#endif
+
+val decode(std::string data) {
+  std::unique_ptr<JxlDecoder,
+                  std::integral_constant<decltype(&JxlDecoderDestroy), JxlDecoderDestroy>>
+      dec(JxlDecoderCreate(nullptr));
+  EXPECT_EQ(JXL_DEC_SUCCESS,
+            JxlDecoderSubscribeEvents(
+                dec.get(), JXL_DEC_BASIC_INFO | JXL_DEC_COLOR_ENCODING | JXL_DEC_FULL_IMAGE));
+
+  auto next_in = (const uint8_t*)data.c_str();
+  auto avail_in = data.size();
+  EXPECT_EQ(JXL_DEC_BASIC_INFO, JxlDecoderProcessInput(dec.get(), &next_in, &avail_in));
+  JxlBasicInfo info;
+  EXPECT_EQ(JXL_DEC_SUCCESS, JxlDecoderGetBasicInfo(dec.get(), &info));
+  size_t pixel_count = info.xsize * info.ysize;
+  size_t component_count = pixel_count * COMPONENTS_PER_PIXEL;
+
+  EXPECT_EQ(JXL_DEC_COLOR_ENCODING, JxlDecoderProcessInput(dec.get(), &next_in, &avail_in));
+  static const JxlPixelFormat format = {COMPONENTS_PER_PIXEL, JXL_TYPE_FLOAT, JXL_LITTLE_ENDIAN, 0};
+  size_t icc_size;
+  EXPECT_EQ(JXL_DEC_SUCCESS, JxlDecoderGetICCProfileSize(dec.get(), &format,
+                                                         JXL_COLOR_PROFILE_TARGET_DATA, &icc_size));
+  std::vector<uint8_t> icc_profile(icc_size);
+  EXPECT_EQ(JXL_DEC_SUCCESS,
+            JxlDecoderGetColorAsICCProfile(dec.get(), &format, JXL_COLOR_PROFILE_TARGET_DATA,
+                                           icc_profile.data(), icc_profile.size()));
+
+  auto float_pixels = std::make_unique<float[]>(component_count);
+  EXPECT_EQ(JXL_DEC_SUCCESS, JxlDecoderSetImageOutBuffer(dec.get(), &format, float_pixels.get(),
+                                                         component_count * sizeof(float)));
+  EXPECT_EQ(JXL_DEC_FULL_IMAGE, JxlDecoderProcessInput(dec.get(), &next_in, &avail_in));
+
+  auto byte_pixels = std::make_unique<uint8_t[]>(component_count);
+  // Convert to sRGB.
+  skcms_ICCProfile jxl_profile;
+  EXPECT_TRUE(skcms_Parse(icc_profile.data(), icc_profile.size(), &jxl_profile));
+  EXPECT_TRUE(skcms_Transform(
+      float_pixels.get(), skcms_PixelFormat_RGBA_ffff,
+      info.alpha_premultiplied ? skcms_AlphaFormat_PremulAsEncoded : skcms_AlphaFormat_Unpremul,
+      &jxl_profile, byte_pixels.get(), skcms_PixelFormat_RGBA_8888, skcms_AlphaFormat_Unpremul,
+      skcms_sRGB_profile(), pixel_count));
+
+  return ImageData.new_(
+      Uint8ClampedArray.new_(typed_memory_view(component_count, byte_pixels.get())), info.xsize,
+      info.ysize);
+}
+
+EMSCRIPTEN_BINDINGS(my_module) {
+  function("decode", &decode);
+}

codecs/jxl/dec/jxl_dec.d.ts

@@ -0,0 +1,7 @@
+export interface JXLModule extends EmscriptenWasm.Module {
+  decode(data: BufferSource): ImageData | null;
+}
+
+declare var moduleFactory: EmscriptenWasm.ModuleFactory<JXLModule>;
+
+export default moduleFactory;

codecs/jxl/enc/jxl_enc.cpp

@@ -0,0 +1,124 @@
+#include <emscripten/bind.h>
+#include <emscripten/val.h>
+
+#include "lib/jxl/enc_file.h"
+#include "lib/jxl/external_image.h"
+
+using namespace emscripten;
+
+thread_local const val Uint8Array = val::global("Uint8Array");
+
+struct JXLOptions {
+  // 1 = slowest
+  // 7 = fastest
+  int speed;
+  float quality;
+  bool progressive;
+  int epf;
+  int nearLossless;
+  bool lossyPalette;
+};
+
+val encode(std::string image, int width, int height, JXLOptions options) {
+  jxl::CompressParams cparams;
+  jxl::PassesEncoderState passes_enc_state;
+  jxl::CodecInOut io;
+  jxl::PaddedBytes bytes;
+  jxl::ImageBundle* main = &io.Main();
+
+  cparams.epf = options.epf;
+  cparams.speed_tier = static_cast<jxl::SpeedTier>(options.speed);
+  cparams.near_lossless = options.nearLossless;
+
+  if (options.lossyPalette) {
+    cparams.lossy_palette = true;
+    cparams.palette_colors = 0;
+    cparams.options.predictor = jxl::Predictor::Zero;
+  }
+
+  // Reduce memory usage of tree learning for lossless data.
+  // TODO(veluca93): this is a mitigation for excessive memory usage in the JXL encoder.
+  float megapixels = width * height * 0.000001;
+  if (megapixels > 8) {
+    cparams.options.nb_repeats = 0.1;
+  } else if (megapixels > 4) {
+    cparams.options.nb_repeats = 0.3;
+  } else {
+    // default is OK.
+  }
+
+  float quality = options.quality;
+
+  // Quality settings roughly match libjpeg qualities.
+  if (quality < 7 || quality == 100) {
+    cparams.modular_mode = true;
+    // Internal modular quality to roughly match VarDCT size.
+    cparams.quality_pair.first = cparams.quality_pair.second =
+        std::min(35 + (quality - 7) * 3.0f, 100.0f);
+  } else {
+    cparams.modular_mode = false;
+    if (quality >= 30) {
+      cparams.butteraugli_distance = 0.1 + (100 - quality) * 0.09;
+    } else {
+      cparams.butteraugli_distance = 6.4 + pow(2.5, (30 - quality) / 5.0f) / 6.25f;
+    }
+  }
+
+  if (options.progressive) {
+    cparams.qprogressive_mode = true;
+    cparams.responsive = 1;
+    if (!cparams.modular_mode) {
+      cparams.progressive_dc = 1;
+    }
+  }
+
+  if (cparams.modular_mode) {
+    if (cparams.quality_pair.first != 100 || cparams.quality_pair.second != 100) {
+      cparams.color_transform = jxl::ColorTransform::kXYB;
+    } else {
+      cparams.color_transform = jxl::ColorTransform::kNone;
+    }
+  }
+
+  if (cparams.near_lossless) {
+    // Near-lossless assumes -R 0
+    cparams.responsive = 0;
+    cparams.modular_mode = true;
+  }
+
+  io.metadata.m.SetAlphaBits(8);
+  if (!io.metadata.size.Set(width, height)) {
+    return val::null();
+  }
+
+  uint8_t* inBuffer = (uint8_t*)image.c_str();
+
+  auto result = jxl::ConvertImage(
+      jxl::Span<const uint8_t>(reinterpret_cast<const uint8_t*>(image.data()), image.size()), width,
+      height, jxl::ColorEncoding::SRGB(/*is_gray=*/false), /*has_alpha=*/true,
+      /*alpha_is_premultiplied=*/false, /*bits_per_alpha=*/8, /*bits_per_sample=*/8,
+      /*big_endian=*/false, /*flipped_y=*/false, /*pool=*/nullptr, main);
+
+  if (!result) {
+    return val::null();
+  }
+
+  auto js_result = val::null();
+  if (EncodeFile(cparams, &io, &passes_enc_state, &bytes)) {
+    js_result = Uint8Array.new_(typed_memory_view(bytes.size(), bytes.data()));
+  }
+
+  return js_result;
+}
+
+EMSCRIPTEN_BINDINGS(my_module) {
+  value_object<JXLOptions>("JXLOptions")
+      .field("speed", &JXLOptions::speed)
+      .field("quality", &JXLOptions::quality)
+      .field("progressive", &JXLOptions::progressive)
+      .field("nearLossless", &JXLOptions::nearLossless)
+      .field("lossyPalette", &JXLOptions::lossyPalette)
+      .field("epf", &JXLOptions::epf);
+
+  function("encode", &encode);
+}

codecs/jxl/enc/jxl_enc.d.ts

@@ -0,0 +1,21 @@
+export interface EncodeOptions {
+  speed: number;
+  quality: number;
+  progressive: boolean;
+  epf: number;
+  nearLossless: number;
+  lossyPalette: boolean;
+}
+
+export interface JXLModule extends EmscriptenWasm.Module {
+  encode(
+    data: BufferSource,
+    width: number,
+    height: number,
+    options: EncodeOptions,
+  ): Uint8Array | null;
+}
+
+declare var moduleFactory: EmscriptenWasm.ModuleFactory<JXLModule>;
+
+export default moduleFactory;

codecs/jxl/package.json

@@ -0,0 +1,6 @@
+{
+  "name": "jxl",
+  "scripts": {
+    "build": "../build-cpp.sh"
+  }
+}

codecs/mozjpeg_enc/Makefile

@@ -14,11 +14,13 @@ all: $(OUT_JS)
 		-I $(CODEC_DIR) \
 		${CXXFLAGS} \
 		${LDFLAGS} \
-		--bind \
 		--closure 1 \
+		--bind \
 		-s ALLOW_MEMORY_GROWTH=1 \
 		-s MODULARIZE=1 \
-		-s 'EXPORT_NAME="$(basename $(@F))"' \
+		-s TEXTDECODER=2 \
+		-s ENVIRONMENT='worker' \
+		-s EXPORT_ES6=1 \
 		-o $@ \
 		$+
 

codecs/mozjpeg_enc/example.html

@@ -1,13 +1,12 @@
-<!doctype html>
-<script src='mozjpeg_enc.js'></script>
-<script>
-  const module = mozjpeg_enc();
+<!DOCTYPE html>
+<script type="module">
+  import mozjpeg_enc from './mozjpeg_enc.js';
 
   async function loadImage(src) {
     // Load image
     const img = document.createElement('img');
     img.src = src;
-    await new Promise(resolve => img.onload = resolve);
+    await new Promise((resolve) => (img.onload = resolve));
     // Make canvas same size as image
     const canvas = document.createElement('canvas');
     [canvas.width, canvas.height] = [img.width, img.height];
@@ -17,7 +16,9 @@
     return ctx.getImageData(0, 0, img.width, img.height);
   }
 
-  module.onRuntimeInitialized = async _ => {
+  async function main() {
+    const module = await mozjpeg_enc();
+
     console.log('Version:', module.version().toString(16));
     const image = await loadImage('../example.png');
     const result = module.encode(image.data, image.width, image.height, {
@@ -39,10 +40,12 @@
       chroma_quality: 75,
     });
 
-    const blob = new Blob([result], {type: 'image/jpeg'});
+    const blob = new Blob([result], { type: 'image/jpeg' });
     const blobURL = URL.createObjectURL(blob);
     const img = document.createElement('img');
     img.src = blobURL;
     document.body.appendChild(img);
-  };
+  }
+
+  main();
 </script>

codecs/mozjpeg_enc/mozjpeg_enc.d.ts

@@ -1,7 +1,37 @@
-import { EncodeOptions } from '../../src/codecs/mozjpeg/encoder-meta';
-
-interface MozJPEGModule extends EmscriptenWasm.Module {
-  encode(data: BufferSource, width: number, height: number, options: EncodeOptions): Uint8Array;
+export const enum MozJpegColorSpace {
+  GRAYSCALE = 1,
+  RGB,
+  YCbCr,
 }
 
-export default function(opts: EmscriptenWasm.ModuleOpts): MozJPEGModule;
+export interface EncodeOptions {
+  quality: number;
+  baseline: boolean;
+  arithmetic: boolean;
+  progressive: boolean;
+  optimize_coding: boolean;
+  smoothing: number;
+  color_space: MozJpegColorSpace;
+  quant_table: number;
+  trellis_multipass: boolean;
+  trellis_opt_zero: boolean;
+  trellis_opt_table: boolean;
+  trellis_loops: number;
+  auto_subsample: boolean;
+  chroma_subsample: number;
+  separate_chroma_quality: boolean;
+  chroma_quality: number;
+}
+
+export interface MozJPEGModule extends EmscriptenWasm.Module {
+  encode(
+    data: BufferSource,
+    width: number,
+    height: number,
+    options: EncodeOptions,
+  ): Uint8Array;
+}
+
+declare var moduleFactory: EmscriptenWasm.ModuleFactory<MozJPEGModule>;
+
+export default moduleFactory;

codecs/oxipng/Cargo.lock

@@ -1,16 +1,22 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
-name = "adler32"
-version = "1.1.0"
+name = "adler"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "567b077b825e468cc974f0020d4082ee6e03132512f207ef1a02fd5d00d1f32d"
+checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
+
+[[package]]
+name = "adler32"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"
 
 [[package]]
 name = "autocfg"
-version = "1.0.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
+checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "bit-vec"
@@ -38,9 +44,9 @@ checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
 
 [[package]]
 name = "bytemuck"
-version = "1.2.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37fa13df2292ecb479ec23aa06f4507928bef07839be9ef15281411076629431"
+checksum = "41aa2ec95ca3b5c54cf73c91acf06d24f4495d5f1b1c12506ae3483d646177ac"
 
 [[package]]
 name = "byteorder"
@@ -50,9 +56,9 @@ checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 
 [[package]]
 name = "cc"
-version = "1.0.58"
+version = "1.0.62"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9a06fb2e53271d7c279ec1efea6ab691c35a2ae67ec0d91d7acec0caf13b518"
+checksum = "f1770ced377336a88a67c473594ccc14eca6f4559217c34f64aac8f83d641b40"
 
 [[package]]
 name = "cfg-if"
@@ -60,6 +66,12 @@ version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
 
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
 [[package]]
 name = "cloudflare-zlib"
 version = "0.2.5"
@@ -78,6 +90,18 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "color_quant"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
+
+[[package]]
+name = "const_fn"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c478836e029dcef17fb47c89023448c64f781a046e0300e257ad8225ae59afab"
+
 [[package]]
 name = "crc"
 version = "1.8.1"
@@ -89,58 +113,57 @@ dependencies = [
 
 [[package]]
 name = "crc32fast"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba125de2af0df55319f41944744ad91c71113bf74a4646efff39afe1f6842db1"
+checksum = "81156fece84ab6a9f2afdb109ce3ae577e42b1228441eded99bd77f627953b1a"
 dependencies = [
- "cfg-if",
+ "cfg-if 1.0.0",
+]
+
+[[package]]
+name = "crossbeam-channel"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dca26ee1f8d361640700bde38b2c37d8c22b3ce2d360e1fc1c74ea4b0aa7d775"
+dependencies = [
+ "cfg-if 1.0.0",
+ "crossbeam-utils",
 ]
 
 [[package]]
 name = "crossbeam-deque"
-version = "0.7.3"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02af974daeee82218205558e51ec8768b48cf524bd01d550abe5573a608285"
+checksum = "94af6efb46fef72616855b036a624cf27ba656ffc9be1b9a3c931cfc7749a9a9"
 dependencies = [
+ "cfg-if 1.0.0",
  "crossbeam-epoch",
  "crossbeam-utils",
- "maybe-uninit",
 ]
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.8.2"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "058ed274caafc1f60c4997b5fc07bf7dc7cca454af7c6e81edffe5f33f70dace"
+checksum = "ec0f606a85340376eef0d6d8fec399e6d4a544d648386c6645eb6d0653b27d9f"
 dependencies = [
- "autocfg",
- "cfg-if",
+ "cfg-if 1.0.0",
+ "const_fn",
  "crossbeam-utils",
  "lazy_static",
- "maybe-uninit",
  "memoffset",
  "scopeguard",
 ]
 
-[[package]]
-name = "crossbeam-queue"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "774ba60a54c213d409d5353bda12d49cd68d14e45036a285234c8d6f91f92570"
-dependencies = [
- "cfg-if",
- "crossbeam-utils",
- "maybe-uninit",
-]
-
 [[package]]
 name = "crossbeam-utils"
-version = "0.7.2"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
+checksum = "ec91540d98355f690a86367e566ecad2e9e579f230230eb7c21398372be73ea5"
 dependencies = [
  "autocfg",
- "cfg-if",
+ "cfg-if 1.0.0",
+ "const_fn",
  "lazy_static",
 ]
 
@@ -156,27 +179,34 @@ dependencies = [
 
 [[package]]
 name = "either"
-version = "1.5.3"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb1f6b1ce1c140482ea30ddd3335fc0024ac7ee112895426e0a629a6c20adfe3"
+checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
+
+[[package]]
+name = "hashbrown"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.15"
+version = "0.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3deed196b6e7f9e44a2ae8d94225d80302d81208b1bb673fd21fe634645c85a9"
+checksum = "5aca5565f760fb5b220e499d72710ed156fdb74e631659e99377d9ebfbd13ae8"
 dependencies = [
  "libc",
 ]
 
 [[package]]
 name = "image"
-version = "0.23.7"
+version = "0.23.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2397fc43bd5648b7117aabb3c5e62d0e62c194826ec77b0b4d0c41e62744635"
+checksum = "b4f0a8345b33b082aedec2f4d7d4a926b845cee184cbe78b703413066564431b"
 dependencies = [
  "bytemuck",
  "byteorder",
+ "color_quant",
  "num-iter",
  "num-rational",
  "num-traits",
@@ -185,11 +215,12 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.4.0"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c398b2b113b55809ceb9ee3e753fcbac793f1956663f3c36549c1346015c2afe"
+checksum = "55e2e4c765aa53a0424761bf9f41aa7a6ac1efa87238f59560640e27fca028f2"
 dependencies = [
  "autocfg",
+ "hashbrown",
  "rayon",
 ]
 
@@ -210,39 +241,42 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.72"
+version = "0.2.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9f8082297d534141b30c8d39e9b1773713ab50fdbe4ff30f750d063b3bfd701"
+checksum = "4d58d1b70b004888f764dfbf6a26a3b0342a1632d33968e4a179d8011c760614"
 
 [[package]]
-name = "libdeflater"
-version = "0.2.0"
+name = "libdeflate-sys"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66dca08b13369865b2f6dca1dd05f833985cbe6c12a676b04d55f78b85e80246"
+checksum = "2f5b1582a0ebf8c55a46166c04d7c66f6bb17add3a6cbf69a082ac2219f31671"
 dependencies = [
  "cc",
 ]
 
 [[package]]
-name = "log"
-version = "0.4.8"
+name = "libdeflater"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
+checksum = "93edd93a53970951da84ef733a8b6e30189a8f8a9e19610f69e4cc5bb1f4d654"
 dependencies = [
- "cfg-if",
+ "libdeflate-sys",
 ]
 
 [[package]]
-name = "maybe-uninit"
-version = "2.0.0"
+name = "log"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
+checksum = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"
+dependencies = [
+ "cfg-if 0.1.10",
+]
 
 [[package]]
 name = "memoffset"
-version = "0.5.5"
+version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c198b026e1bbf08a937e94c6c60f9ec4a2267f5b0d2eec9c1b21b061ce2be55f"
+checksum = "043175f069eda7b85febe4a74abbaeff828d9f8b448515d3151a14a3542811aa"
 dependencies = [
  "autocfg",
 ]
@@ -257,10 +291,20 @@ dependencies = [
 ]
 
 [[package]]
-name = "num-integer"
-version = "0.1.43"
+name = "miniz_oxide"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d59457e662d541ba17869cf51cf177c0b5f0cbf476c66bdc90bf1edac4f875b"
+checksum = "0f2d26ec3309788e423cfbf68ad1800f061638098d76a83681af979dc4eda19d"
+dependencies = [
+ "adler",
+ "autocfg",
+]
+
+[[package]]
+name = "num-integer"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
 dependencies = [
  "autocfg",
  "num-traits",
@@ -268,9 +312,9 @@ dependencies = [
 
 [[package]]
 name = "num-iter"
-version = "0.1.41"
+version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6e6b7c748f995c4c29c5f5ae0248536e04a5739927c74ec0fa564805094b9f"
+checksum = "b2021c8337a54d21aca0d59a92577a029af9431cb59b909b03252b9c164fad59"
 dependencies = [
  "autocfg",
  "num-integer",
@@ -279,9 +323,9 @@ dependencies = [
 
 [[package]]
 name = "num-rational"
-version = "0.3.0"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5b4d7360f362cfb50dde8143501e6940b22f644be75a4cc90b2d81968908138"
+checksum = "12ac428b1cb17fce6f731001d307d351ec70a6d202fc2e60f7d4c5e42d8f4f07"
 dependencies = [
  "autocfg",
  "num-integer",
@@ -290,9 +334,9 @@ dependencies = [
 
 [[package]]
 name = "num-traits"
-version = "0.2.12"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac267bcc07f48ee5f8935ab0d24f316fb722d7a1292e2913f0cc196b29ffd611"
+checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
 dependencies = [
  "autocfg",
 ]
@@ -308,42 +352,59 @@ dependencies = [
 ]
 
 [[package]]
-name = "oxipng"
-version = "3.0.0"
+name = "once_cell"
+version = "1.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d5fd695858078338d73862ff3755f820eff0bf4f3304e4b52f22aba53463183a"
+checksum = "13bd41f508810a131401606d54ac32a467c97172d74ba7662562ebba5ad07fa0"
+
+[[package]]
+name = "oxipng"
+version = "4.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9fefb26bde273c3db896a313151301a69e698a7495ee577fe2168ed7065c29c4"
 dependencies = [
  "bit-vec",
  "byteorder",
  "cloudflare-zlib",
  "crc",
+ "crossbeam-channel",
  "image",
  "indexmap",
  "itertools",
  "libdeflater",
  "log",
- "miniz_oxide",
+ "miniz_oxide 0.4.3",
+ "rayon",
  "rgb",
- "zopfli",
+ "rustc_version",
+]
+
+[[package]]
+name = "pest"
+version = "2.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10f4872ae94d7b90ae48754df22fd42ad52ce740b8f370b03da4835417403e53"
+dependencies = [
+ "ucd-trie",
 ]
 
 [[package]]
 name = "png"
-version = "0.16.6"
+version = "0.16.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c150bf7479fafe3dd8740dbe48cc33b2a3efb7b0fe3483aced8bbc39f6d0238d"
+checksum = "dfe7f9f1c730833200b134370e1d5098964231af8450bce9b78ee3ab5278b970"
 dependencies = [
  "bitflags",
  "crc32fast",
  "deflate",
- "miniz_oxide",
+ "miniz_oxide 0.3.7",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.18"
+version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "beae6331a816b1f65d04c45b078fd8e6c93e8071771f41b8163255bbd8d7c8fa"
+checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
 dependencies = [
  "unicode-xid",
 ]
@@ -359,9 +420,9 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "1.3.1"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62f02856753d04e03e26929f820d0a0a337ebe71f849801eea335d464b349080"
+checksum = "8b0d8e0819fadc20c74ea8373106ead0600e3a67ef1fe8da56e39b9ae7275674"
 dependencies = [
  "autocfg",
  "crossbeam-deque",
@@ -371,12 +432,12 @@ dependencies = [
 
 [[package]]
 name = "rayon-core"
-version = "1.7.1"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e92e15d89083484e11353891f1af602cc661426deb9564c298b270c726973280"
+checksum = "9ab346ac5921dc62ffa9f89b7a773907511cdfa5490c572ae9be1be33e8afa4a"
 dependencies = [
+ "crossbeam-channel",
  "crossbeam-deque",
- "crossbeam-queue",
  "crossbeam-utils",
  "lazy_static",
  "num_cpus",
@@ -384,33 +445,63 @@ dependencies = [
 
 [[package]]
 name = "rgb"
-version = "0.8.20"
+version = "0.8.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90ef54b45ae131327a88597e2463fee4098ad6c88ba7b6af4b3987db8aad4098"
+checksum = "287f3c3f8236abb92d8b7e36797f19159df4b58f0a658cc3fb6dd3004b1f3bd3"
 dependencies = [
  "bytemuck",
 ]
 
+[[package]]
+name = "rustc_version"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "65c94201b44764d6d1f7e37c15a8289ed55e546c1762c7f1d57f616966e0c181"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
+[[package]]
+name = "semver"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f301af10236f6df4160f7c3f04eec6dbc70ace82d23326abad5edee88801c6b6"
+dependencies = [
+ "semver-parser",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42ef146c2ad5e5f4b037cd6ce2ebb775401729b19a82040c1beac9d36c7d1428"
+dependencies = [
+ "pest",
+]
+
 [[package]]
 name = "squoosh-oxipng"
 version = "0.1.0"
 dependencies = [
+ "crossbeam-channel",
  "log",
+ "once_cell",
  "oxipng",
+ "rayon",
  "wasm-bindgen",
 ]
 
 [[package]]
 name = "syn"
-version = "1.0.34"
+version = "1.0.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "936cae2873c940d92e697597c5eee105fb570cd5689c695806f672883653349b"
+checksum = "cc371affeffc477f42a221a1e4297aedcea33d47d19b61455588bd9d8f6b19ac"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -418,10 +509,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "typed-arena"
-version = "1.7.0"
+name = "ucd-trie"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9b2228007eba4120145f785df0f6c92ea538f5a3635a612ecf4e334c8c1446d"
+checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
 
 [[package]]
 name = "unicode-xid"
@@ -431,19 +522,19 @@ checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.64"
+version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a634620115e4a229108b71bde263bb4220c483b3f07f5ba514ee8d15064c4c2"
+checksum = "1ac64ead5ea5f05873d7c12b545865ca2b8d28adfc50a49b84770a3a97265d42"
 dependencies = [
- "cfg-if",
+ "cfg-if 0.1.10",
  "wasm-bindgen-macro",
 ]
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.64"
+version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e53963b583d18a5aa3aaae4b4c1cb535218246131ba22a71f05b518098571df"
+checksum = "f22b422e2a757c35a73774860af8e112bff612ce6cb604224e8e47641a9e4f68"
 dependencies = [
  "bumpalo",
  "lazy_static",
@@ -456,9 +547,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.64"
+version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fcfd5ef6eec85623b4c6e844293d4516470d8f19cd72d0d12246017eb9060b8"
+checksum = "6b13312a745c08c469f0b292dd2fcd6411dba5f7160f593da6ef69b64e407038"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -466,9 +557,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.64"
+version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9adff9ee0e94b926ca81b57f57f86d5545cdcb1d259e21ec9bdd95b901754c75"
+checksum = "f249f06ef7ee334cc3b8ff031bfc11ec99d00f34d86da7498396dc1e3b1498fe"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -479,18 +570,6 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.64"
+version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f7b90ea6c632dd06fd765d44542e234d5e63d9bb917ecd64d79778a13bd79ae"
-
-[[package]]
-name = "zopfli"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4079b79464426ade2a1b0177fb0ce8396ba6b4084267407e333573c666073964"
-dependencies = [
- "adler32",
- "byteorder",
- "crc",
- "typed-arena",
-]
+checksum = "1d649a3145108d7d3fbcde896a468d1bd636791823c9921135218ad89be08307"

codecs/oxipng/Cargo.toml

@@ -5,14 +5,23 @@ authors = ["Ingvar Stepanyan <me@rreverser.com>"]
 edition = "2018"
 publish = false
 
+[package.metadata.wasm-pack.profile.release]
+wasm-opt = ["-O", "--no-validation"]
+
 [lib]
 crate-type = ["cdylib"]
 
 [dependencies]
-oxipng = { version = "3.0.0", default-features = false }
-wasm-bindgen = "0.2.64"
-log = { version = "0.4", features = ["release_max_level_off"] }
+oxipng = { version = "4.0.0", default-features = false, features = ["libdeflater"] }
+wasm-bindgen = "0.2.68"
+log = { version = "0.4.11", features = ["release_max_level_off"] }
+rayon = { version = "1.5.0", optional = true }
+once_cell = { version = "1.5.2", optional = true }
+crossbeam-channel = { version = "0.5.0", optional = true }
 
 [profile.release]
 lto = true
 opt-level = "s"
+
+[features]
+parallel = ["oxipng/parallel", "rayon", "crossbeam-channel", "once_cell"]

codecs/oxipng/Dockerfile

@@ -1,12 +0,0 @@
-FROM rust
-RUN rustup target add wasm32-unknown-unknown
-RUN curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
-
-RUN mkdir /opt/wabt && \
-  curl -L https://github.com/WebAssembly/wabt/releases/download/1.0.17/wabt-1.0.17-ubuntu.tar.gz  | tar -xzf - -C /opt/wabt --strip 1
-
-RUN mkdir /opt/wasi-sdk && \
-  curl -L https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-11/wasi-sdk-11.0-linux.tar.gz | tar -xzf - -C /opt/wasi-sdk --strip 1
-
-ENV PATH="/opt/wabt/bin:/opt/wasi-sdk/bin:${PATH}"
-WORKDIR /src

codecs/oxipng/build.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+set -e
+
+rm -rf pkg,{-parallel}
+wasm-pack build -t web
+RUSTFLAGS='-C target-feature=+atomics,+bulk-memory' wasm-pack build -t web -d pkg-parallel -- -Z build-std=panic_abort,std --features=parallel
+# Workaround https://github.com/rustwasm/wasm-bindgen/issues/2133:
+sed -i "s|maybe_memory:|maybe_memory?:|" pkg-parallel/squoosh_oxipng.d.ts
+rm pkg{,-parallel}/.gitignore

codecs/oxipng/package.json

@@ -1,6 +1,6 @@
 {
   "name": "oxipng",
   "scripts": {
-    "build": "../build-rust.sh"
+    "build": "RUST_IMG=rustlang/rust@sha256:744aeea5a38f95aa7a96ec37269a65f0c6197a1cdd87d6534e12bb869141d807 ../build-rust.sh ./build.sh"
   }
 }

codecs/oxipng/pkg-parallel/README.md

@@ -0,0 +1,5 @@
+# OxiPNG
+
+- Source: <https://github.com/shssoichiro/oxipng>
+- Version: v3.0.0
+- License: MIT

codecs/oxipng/pkg-parallel/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "squoosh-oxipng",
+  "collaborators": [
+    "Ingvar Stepanyan <me@rreverser.com>"
+  ],
+  "version": "0.1.0",
+  "files": [
+    "squoosh_oxipng_bg.wasm",
+    "squoosh_oxipng.js",
+    "squoosh_oxipng.d.ts"
+  ],
+  "module": "squoosh_oxipng.js",
+  "types": "squoosh_oxipng.d.ts",
+  "sideEffects": false
+}

codecs/oxipng/pkg-parallel/squoosh_oxipng.d.ts

@@ -0,0 +1,46 @@
+/* tslint:disable */
+/* eslint-disable */
+/**
+* @param {Uint8Array} data
+* @param {number} level
+* @returns {Uint8Array}
+*/
+export function optimise(data: Uint8Array, level: number): Uint8Array;
+/**
+* @param {number} num
+* @returns {any}
+*/
+export function worker_initializer(num: number): any;
+/**
+*/
+export function start_main_thread(): void;
+/**
+*/
+export function start_worker_thread(): void;
+
+export type InitInput = RequestInfo | URL | Response | BufferSource | WebAssembly.Module;
+
+export interface InitOutput {
+  readonly optimise: (a: number, b: number, c: number, d: number) => void;
+  readonly malloc: (a: number) => number;
+  readonly free: (a: number) => void;
+  readonly worker_initializer: (a: number) => number;
+  readonly start_main_thread: () => void;
+  readonly start_worker_thread: () => void;
+  readonly __wbindgen_export_0: WebAssembly.Memory;
+  readonly __wbindgen_malloc: (a: number) => number;
+  readonly __wbindgen_free: (a: number, b: number) => void;
+  readonly __wbindgen_start: () => void;
+}
+
+/**
+* If `module_or_path` is {RequestInfo} or {URL}, makes a request and
+* for everything else, calls `WebAssembly.instantiate` directly.
+*
+* @param {InitInput | Promise<InitInput>} module_or_path
+* @param {WebAssembly.Memory} maybe_memory
+*
+* @returns {Promise<InitOutput>}
+*/
+export default function init (module_or_path?: InitInput | Promise<InitInput>, maybe_memory?: WebAssembly.Memory): Promise<InitOutput>;
+        

codecs/oxipng/pkg-parallel/squoosh_oxipng.js

@@ -0,0 +1,180 @@
+
+let wasm;
+let memory;
+
+const heap = new Array(32).fill(undefined);
+
+heap.push(undefined, null, true, false);
+
+let heap_next = heap.length;
+
+function addHeapObject(obj) {
+    if (heap_next === heap.length) heap.push(heap.length + 1);
+    const idx = heap_next;
+    heap_next = heap[idx];
+
+    heap[idx] = obj;
+    return idx;
+}
+
+let cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });
+
+cachedTextDecoder.decode();
+
+let cachegetUint8Memory0 = null;
+function getUint8Memory0() {
+    if (cachegetUint8Memory0 === null || cachegetUint8Memory0.buffer !== wasm.__wbindgen_export_0.buffer) {
+        cachegetUint8Memory0 = new Uint8Array(wasm.__wbindgen_export_0.buffer);
+    }
+    return cachegetUint8Memory0;
+}
+
+function getStringFromWasm0(ptr, len) {
+    return cachedTextDecoder.decode(getUint8Memory0().slice(ptr, ptr + len));
+}
+
+let WASM_VECTOR_LEN = 0;
+
+function passArray8ToWasm0(arg, malloc) {
+    const ptr = malloc(arg.length * 1);
+    getUint8Memory0().set(arg, ptr / 1);
+    WASM_VECTOR_LEN = arg.length;
+    return ptr;
+}
+
+let cachegetInt32Memory0 = null;
+function getInt32Memory0() {
+    if (cachegetInt32Memory0 === null || cachegetInt32Memory0.buffer !== wasm.__wbindgen_export_0.buffer) {
+        cachegetInt32Memory0 = new Int32Array(wasm.__wbindgen_export_0.buffer);
+    }
+    return cachegetInt32Memory0;
+}
+
+function getArrayU8FromWasm0(ptr, len) {
+    return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
+}
+/**
+* @param {Uint8Array} data
+* @param {number} level
+* @returns {Uint8Array}
+*/
+export function optimise(data, level) {
+    try {
+        const retptr = wasm.__wbindgen_export_1.value - 16;
+        wasm.__wbindgen_export_1.value = retptr;
+        var ptr0 = passArray8ToWasm0(data, wasm.__wbindgen_malloc);
+        var len0 = WASM_VECTOR_LEN;
+        wasm.optimise(retptr, ptr0, len0, level);
+        var r0 = getInt32Memory0()[retptr / 4 + 0];
+        var r1 = getInt32Memory0()[retptr / 4 + 1];
+        var v1 = getArrayU8FromWasm0(r0, r1).slice();
+        wasm.__wbindgen_free(r0, r1 * 1);
+        return v1;
+    } finally {
+        wasm.__wbindgen_export_1.value += 16;
+    }
+}
+
+function getObject(idx) { return heap[idx]; }
+
+function dropObject(idx) {
+    if (idx < 36) return;
+    heap[idx] = heap_next;
+    heap_next = idx;
+}
+
+function takeObject(idx) {
+    const ret = getObject(idx);
+    dropObject(idx);
+    return ret;
+}
+/**
+* @param {number} num
+* @returns {any}
+*/
+export function worker_initializer(num) {
+    var ret = wasm.worker_initializer(num);
+    return takeObject(ret);
+}
+
+/**
+*/
+export function start_main_thread() {
+    wasm.start_main_thread();
+}
+
+/**
+*/
+export function start_worker_thread() {
+    wasm.start_worker_thread();
+}
+
+async function load(module, imports, maybe_memory) {
+    if (typeof Response === 'function' && module instanceof Response) {
+        memory = imports.wbg.memory = new WebAssembly.Memory({initial:17,maximum:16384,shared:true});
+        if (typeof WebAssembly.instantiateStreaming === 'function') {
+            try {
+                return await WebAssembly.instantiateStreaming(module, imports);
+
+            } catch (e) {
+                if (module.headers.get('Content-Type') != 'application/wasm') {
+                    console.warn("`WebAssembly.instantiateStreaming` failed because your server does not serve wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n", e);
+
+                } else {
+                    throw e;
+                }
+            }
+        }
+
+        const bytes = await module.arrayBuffer();
+        return await WebAssembly.instantiate(bytes, imports);
+
+    } else {
+        memory = imports.wbg.memory = maybe_memory;
+        const instance = await WebAssembly.instantiate(module, imports);
+
+        if (instance instanceof WebAssembly.Instance) {
+            return { instance, module };
+
+        } else {
+            return instance;
+        }
+    }
+}
+
+async function init(input, maybe_memory) {
+    if (typeof input === 'undefined') {
+        input = import.meta.url.replace(/\.js$/, '_bg.wasm');
+    }
+    const imports = {};
+    imports.wbg = {};
+    imports.wbg.__wbindgen_module = function() {
+        var ret = init.__wbindgen_wasm_module;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbindgen_memory = function() {
+        var ret = wasm.__wbindgen_export_0;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_of_6510501edc06d65e = function(arg0, arg1) {
+        var ret = Array.of(takeObject(arg0), takeObject(arg1));
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbindgen_throw = function(arg0, arg1) {
+        throw new Error(getStringFromWasm0(arg0, arg1));
+    };
+
+    if (typeof input === 'string' || (typeof Request === 'function' && input instanceof Request) || (typeof URL === 'function' && input instanceof URL)) {
+        input = fetch(input);
+    }
+
+    const { instance, module } = await load(await input, imports, maybe_memory);
+
+    wasm = instance.exports;
+    init.__wbindgen_wasm_module = module;
+    wasm.__wbindgen_start();
+    return wasm;
+}
+
+export default init;
+

codecs/oxipng/pkg-parallel/squoosh_oxipng_bg.wasm.d.ts

@@ -0,0 +1,12 @@
+/* tslint:disable */
+/* eslint-disable */
+export function optimise(a: number, b: number, c: number, d: number): void;
+export function malloc(a: number): number;
+export function free(a: number): void;
+export function worker_initializer(a: number): number;
+export function start_main_thread(): void;
+export function start_worker_thread(): void;
+export const __wbindgen_export_0: WebAssembly.Memory;
+export function __wbindgen_malloc(a: number): number;
+export function __wbindgen_free(a: number, b: number): void;
+export function __wbindgen_start(): void;

codecs/oxipng/pkg/README.md

@@ -0,0 +1,5 @@
+# OxiPNG
+
+- Source: <https://github.com/shssoichiro/oxipng>
+- Version: v3.0.0
+- License: MIT

codecs/oxipng/pkg/squoosh_oxipng.d.ts

@@ -6,3 +6,25 @@
 * @returns {Uint8Array}
 */
 export function optimise(data: Uint8Array, level: number): Uint8Array;
+
+export type InitInput = RequestInfo | URL | Response | BufferSource | WebAssembly.Module;
+
+export interface InitOutput {
+  readonly memory: WebAssembly.Memory;
+  readonly optimise: (a: number, b: number, c: number, d: number) => void;
+  readonly malloc: (a: number) => number;
+  readonly free: (a: number) => void;
+  readonly __wbindgen_malloc: (a: number) => number;
+  readonly __wbindgen_free: (a: number, b: number) => void;
+}
+
+/**
+* If `module_or_path` is {RequestInfo} or {URL}, makes a request and
+* for everything else, calls `WebAssembly.instantiate` directly.
+*
+* @param {InitInput | Promise<InitInput>} module_or_path
+*
+* @returns {Promise<InitOutput>}
+*/
+export default function init (module_or_path?: InitInput | Promise<InitInput>): Promise<InitOutput>;
+        

codecs/oxipng/pkg/squoosh_oxipng.js

@@ -1,2 +1,118 @@
-import * as wasm from "./squoosh_oxipng_bg.wasm";
-export * from "./squoosh_oxipng_bg.js";
+
+let wasm;
+
+let cachedTextDecoder = new TextDecoder('utf-8', { ignoreBOM: true, fatal: true });
+
+cachedTextDecoder.decode();
+
+let cachegetUint8Memory0 = null;
+function getUint8Memory0() {
+    if (cachegetUint8Memory0 === null || cachegetUint8Memory0.buffer !== wasm.memory.buffer) {
+        cachegetUint8Memory0 = new Uint8Array(wasm.memory.buffer);
+    }
+    return cachegetUint8Memory0;
+}
+
+function getStringFromWasm0(ptr, len) {
+    return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len));
+}
+
+let WASM_VECTOR_LEN = 0;
+
+function passArray8ToWasm0(arg, malloc) {
+    const ptr = malloc(arg.length * 1);
+    getUint8Memory0().set(arg, ptr / 1);
+    WASM_VECTOR_LEN = arg.length;
+    return ptr;
+}
+
+let cachegetInt32Memory0 = null;
+function getInt32Memory0() {
+    if (cachegetInt32Memory0 === null || cachegetInt32Memory0.buffer !== wasm.memory.buffer) {
+        cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer);
+    }
+    return cachegetInt32Memory0;
+}
+
+function getArrayU8FromWasm0(ptr, len) {
+    return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
+}
+/**
+* @param {Uint8Array} data
+* @param {number} level
+* @returns {Uint8Array}
+*/
+export function optimise(data, level) {
+    try {
+        const retptr = wasm.__wbindgen_export_0.value - 16;
+        wasm.__wbindgen_export_0.value = retptr;
+        var ptr0 = passArray8ToWasm0(data, wasm.__wbindgen_malloc);
+        var len0 = WASM_VECTOR_LEN;
+        wasm.optimise(retptr, ptr0, len0, level);
+        var r0 = getInt32Memory0()[retptr / 4 + 0];
+        var r1 = getInt32Memory0()[retptr / 4 + 1];
+        var v1 = getArrayU8FromWasm0(r0, r1).slice();
+        wasm.__wbindgen_free(r0, r1 * 1);
+        return v1;
+    } finally {
+        wasm.__wbindgen_export_0.value += 16;
+    }
+}
+
+async function load(module, imports) {
+    if (typeof Response === 'function' && module instanceof Response) {
+
+        if (typeof WebAssembly.instantiateStreaming === 'function') {
+            try {
+                return await WebAssembly.instantiateStreaming(module, imports);
+
+            } catch (e) {
+                if (module.headers.get('Content-Type') != 'application/wasm') {
+                    console.warn("`WebAssembly.instantiateStreaming` failed because your server does not serve wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n", e);
+
+                } else {
+                    throw e;
+                }
+            }
+        }
+
+        const bytes = await module.arrayBuffer();
+        return await WebAssembly.instantiate(bytes, imports);
+
+    } else {
+
+        const instance = await WebAssembly.instantiate(module, imports);
+
+        if (instance instanceof WebAssembly.Instance) {
+            return { instance, module };
+
+        } else {
+            return instance;
+        }
+    }
+}
+
+async function init(input) {
+    if (typeof input === 'undefined') {
+        input = import.meta.url.replace(/\.js$/, '_bg.wasm');
+    }
+    const imports = {};
+    imports.wbg = {};
+    imports.wbg.__wbindgen_throw = function(arg0, arg1) {
+        throw new Error(getStringFromWasm0(arg0, arg1));
+    };
+
+    if (typeof input === 'string' || (typeof Request === 'function' && input instanceof Request) || (typeof URL === 'function' && input instanceof URL)) {
+        input = fetch(input);
+    }
+
+    const { instance, module } = await load(await input, imports);
+
+    wasm = instance.exports;
+    init.__wbindgen_wasm_module = module;
+
+    return wasm;
+}
+
+export default init;
+

codecs/oxipng/pkg/squoosh_oxipng_bg.js

@@ -1,60 +0,0 @@
-import * as wasm from './squoosh_oxipng_bg.wasm';
-
-const lTextDecoder = typeof TextDecoder === 'undefined' ? (0, module.require)('util').TextDecoder : TextDecoder;
-
-let cachedTextDecoder = new lTextDecoder('utf-8', { ignoreBOM: true, fatal: true });
-
-cachedTextDecoder.decode();
-
-let cachegetUint8Memory0 = null;
-function getUint8Memory0() {
-    if (cachegetUint8Memory0 === null || cachegetUint8Memory0.buffer !== wasm.memory.buffer) {
-        cachegetUint8Memory0 = new Uint8Array(wasm.memory.buffer);
-    }
-    return cachegetUint8Memory0;
-}
-
-function getStringFromWasm0(ptr, len) {
-    return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len));
-}
-
-let WASM_VECTOR_LEN = 0;
-
-function passArray8ToWasm0(arg, malloc) {
-    const ptr = malloc(arg.length * 1);
-    getUint8Memory0().set(arg, ptr / 1);
-    WASM_VECTOR_LEN = arg.length;
-    return ptr;
-}
-
-let cachegetInt32Memory0 = null;
-function getInt32Memory0() {
-    if (cachegetInt32Memory0 === null || cachegetInt32Memory0.buffer !== wasm.memory.buffer) {
-        cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer);
-    }
-    return cachegetInt32Memory0;
-}
-
-function getArrayU8FromWasm0(ptr, len) {
-    return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
-}
-/**
-* @param {Uint8Array} data
-* @param {number} level
-* @returns {Uint8Array}
-*/
-export function optimise(data, level) {
-    var ptr0 = passArray8ToWasm0(data, wasm.__wbindgen_malloc);
-    var len0 = WASM_VECTOR_LEN;
-    wasm.optimise(8, ptr0, len0, level);
-    var r0 = getInt32Memory0()[8 / 4 + 0];
-    var r1 = getInt32Memory0()[8 / 4 + 1];
-    var v1 = getArrayU8FromWasm0(r0, r1).slice();
-    wasm.__wbindgen_free(r0, r1 * 1);
-    return v1;
-}
-
-export const __wbindgen_throw = function(arg0, arg1) {
-    throw new Error(getStringFromWasm0(arg0, arg1));
-};
-

codecs/oxipng/rust-toolchain

@@ -0,0 +1 @@
+nightly

codecs/oxipng/src/lib.rs

@@ -1,18 +1,21 @@
+use oxipng::AlphaOptim;
+use wasm_bindgen::prelude::*;
+
 mod malloc_shim;
 
-use wasm_bindgen::prelude::*;
-use oxipng::AlphaOptim;
+#[cfg(feature = "parallel")]
+pub mod parallel;
 
-#[wasm_bindgen(catch)]
+#[wasm_bindgen]
 pub fn optimise(data: &[u8], level: u8) -> Vec<u8> {
-  let mut options = oxipng::Options::from_preset(level);
-  options.alphas.insert(AlphaOptim::Black);
-  options.alphas.insert(AlphaOptim::White);
-  options.alphas.insert(AlphaOptim::Up);
-  options.alphas.insert(AlphaOptim::Down);
-  options.alphas.insert(AlphaOptim::Left);
-  options.alphas.insert(AlphaOptim::Right);
+    let mut options = oxipng::Options::from_preset(level);
+    options.alphas.insert(AlphaOptim::Black);
+    options.alphas.insert(AlphaOptim::White);
+    options.alphas.insert(AlphaOptim::Up);
+    options.alphas.insert(AlphaOptim::Down);
+    options.alphas.insert(AlphaOptim::Left);
+    options.alphas.insert(AlphaOptim::Right);
 
-  options.deflate = oxipng::Deflaters::Libdeflater;
-  oxipng::optimize_from_memory(data, &options).unwrap_throw()
+    options.deflate = oxipng::Deflaters::Libdeflater;
+    oxipng::optimize_from_memory(data, &options).unwrap_throw()
 }

codecs/oxipng/src/parallel.rs

@@ -0,0 +1,62 @@
+use crossbeam_channel::{bounded, Receiver, Sender};
+use once_cell::sync::OnceCell;
+use wasm_bindgen::prelude::*;
+use wasm_bindgen::JsValue;
+
+#[wasm_bindgen]
+extern "C" {
+    #[wasm_bindgen(js_namespace = Array, js_name = of)]
+    fn array_of_2(a: JsValue, b: JsValue) -> JsValue;
+}
+
+// This is one of the parts that work around Chromium incorrectly implementing postMessage:
+// https://bugs.chromium.org/p/chromium/issues/detail?id=1075645
+//
+// rayon::ThreadPoolBuilder (used below) executes spawn handler to populate the worker pool,
+// and then blocks the current thread until each worker unblocks its (opaque) lock.
+//
+// Normally, we could use postMessage directly inside the spawn handler to
+// post module + memory + threadPtr to each worker, and the block the current thread.
+//
+// However, that bug means that postMessage is currently delayed until the next event loop,
+// which will never spin since we block the current thread, and so the other workers will
+// never be able to unblock us.
+//
+// To work around this problem, we:
+// 1) Expose `worker_initializer` that returns module + memory pair (without threadPtr)
+//    that workers can be initialised with to become native threads.
+//    JavaScript can postMessage this pair in advance, and asynchronously wait for workers
+//    to acknowledge the receipt.
+// 2) Create a global communication channel on the Rust side using crossbeam.
+//    It will be used to send threadPtr to the pre-initialised workers
+//    instead of postMessage.
+// 3) Provide a separate `start_main_thread` that expects all workers to be ready,
+//    and just uses the provided channel to send `threadPtr`s using the
+//    shared memory and blocks the current thread until they're all grabbed.
+// 4) Provide a `worker_initializer` that is expected to be invoked from various workers,
+//    reads one `threadPtr` from the shared channel and starts running it.
+static CHANNEL: OnceCell<(Sender<rayon::ThreadBuilder>, Receiver<rayon::ThreadBuilder>)> =
+    OnceCell::new();
+
+#[wasm_bindgen]
+pub fn worker_initializer(num: usize) -> JsValue {
+    CHANNEL.get_or_init(|| bounded(num));
+    array_of_2(wasm_bindgen::module(), wasm_bindgen::memory())
+}
+
+#[wasm_bindgen]
+pub fn start_main_thread() {
+    let (sender, _) = CHANNEL.get().unwrap();
+
+    rayon::ThreadPoolBuilder::new()
+        .num_threads(sender.capacity().unwrap())
+        .spawn_handler(|thread| Ok(sender.send(thread).unwrap_throw()))
+        .build_global()
+        .unwrap_throw()
+}
+
+#[wasm_bindgen]
+pub fn start_worker_thread() {
+    let (_, receiver) = CHANNEL.get().unwrap();
+    receiver.recv().unwrap_throw().run()
+}

codecs/resize/pkg/squoosh_resize.d.ts

@@ -1,14 +1,60 @@
 /* tslint:disable */
 /* eslint-disable */
 /**
-* @param {Uint8Array} input_image
-* @param {number} input_width
-* @param {number} input_height
-* @param {number} output_width
-* @param {number} output_height
-* @param {number} typ_idx
-* @param {boolean} premultiply
-* @param {boolean} color_space_conversion
-* @returns {Uint8Array}
-*/
-export function resize(input_image: Uint8Array, input_width: number, input_height: number, output_width: number, output_height: number, typ_idx: number, premultiply: boolean, color_space_conversion: boolean): Uint8Array;
+ * @param {Uint8Array} input_image
+ * @param {number} input_width
+ * @param {number} input_height
+ * @param {number} output_width
+ * @param {number} output_height
+ * @param {number} typ_idx
+ * @param {boolean} premultiply
+ * @param {boolean} color_space_conversion
+ * @returns {Uint8Array}
+ */
+export function resize(
+  input_image: Uint8Array,
+  input_width: number,
+  input_height: number,
+  output_width: number,
+  output_height: number,
+  typ_idx: number,
+  premultiply: boolean,
+  color_space_conversion: boolean,
+): Uint8Array;
+
+export type InitInput =
+  | RequestInfo
+  | URL
+  | Response
+  | BufferSource
+  | WebAssembly.Module;
+
+export interface InitOutput {
+  readonly memory: WebAssembly.Memory;
+  readonly resize: (
+    a: number,
+    b: number,
+    c: number,
+    d: number,
+    e: number,
+    f: number,
+    g: number,
+    h: number,
+    i: number,
+    j: number,
+  ) => void;
+  readonly __wbindgen_malloc: (a: number) => number;
+  readonly __wbindgen_free: (a: number, b: number) => void;
+}
+
+/**
+ * If `module_or_path` is {RequestInfo} or {URL}, makes a request and
+ * for everything else, calls `WebAssembly.instantiate` directly.
+ *
+ * @param {InitInput | Promise<InitInput>} module_or_path
+ *
+ * @returns {Promise<InitOutput>}
+ */
+export default function init(
+  module_or_path?: InitInput | Promise<InitInput>,
+): Promise<InitOutput>;

codecs/resize/pkg/squoosh_resize.js

@@ -1,2 +1,131 @@
-import * as wasm from "./squoosh_resize_bg.wasm";
-export * from "./squoosh_resize_bg.js";
+let wasm;
+
+let cachegetUint8Memory0 = null;
+function getUint8Memory0() {
+  if (
+    cachegetUint8Memory0 === null ||
+    cachegetUint8Memory0.buffer !== wasm.memory.buffer
+  ) {
+    cachegetUint8Memory0 = new Uint8Array(wasm.memory.buffer);
+  }
+  return cachegetUint8Memory0;
+}
+
+let WASM_VECTOR_LEN = 0;
+
+function passArray8ToWasm0(arg, malloc) {
+  const ptr = malloc(arg.length * 1);
+  getUint8Memory0().set(arg, ptr / 1);
+  WASM_VECTOR_LEN = arg.length;
+  return ptr;
+}
+
+let cachegetInt32Memory0 = null;
+function getInt32Memory0() {
+  if (
+    cachegetInt32Memory0 === null ||
+    cachegetInt32Memory0.buffer !== wasm.memory.buffer
+  ) {
+    cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer);
+  }
+  return cachegetInt32Memory0;
+}
+
+function getArrayU8FromWasm0(ptr, len) {
+  return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
+}
+/**
+ * @param {Uint8Array} input_image
+ * @param {number} input_width
+ * @param {number} input_height
+ * @param {number} output_width
+ * @param {number} output_height
+ * @param {number} typ_idx
+ * @param {boolean} premultiply
+ * @param {boolean} color_space_conversion
+ * @returns {Uint8Array}
+ */
+export function resize(
+  input_image,
+  input_width,
+  input_height,
+  output_width,
+  output_height,
+  typ_idx,
+  premultiply,
+  color_space_conversion,
+) {
+  var ptr0 = passArray8ToWasm0(input_image, wasm.__wbindgen_malloc);
+  var len0 = WASM_VECTOR_LEN;
+  wasm.resize(
+    8,
+    ptr0,
+    len0,
+    input_width,
+    input_height,
+    output_width,
+    output_height,
+    typ_idx,
+    premultiply,
+    color_space_conversion,
+  );
+  var r0 = getInt32Memory0()[8 / 4 + 0];
+  var r1 = getInt32Memory0()[8 / 4 + 1];
+  var v1 = getArrayU8FromWasm0(r0, r1).slice();
+  wasm.__wbindgen_free(r0, r1 * 1);
+  return v1;
+}
+
+async function load(module, imports) {
+  if (typeof Response === 'function' && module instanceof Response) {
+    if (typeof WebAssembly.instantiateStreaming === 'function') {
+      try {
+        return await WebAssembly.instantiateStreaming(module, imports);
+      } catch (e) {
+        if (module.headers.get('Content-Type') != 'application/wasm') {
+          console.warn(
+            '`WebAssembly.instantiateStreaming` failed because your server does not serve wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n',
+            e,
+          );
+        } else {
+          throw e;
+        }
+      }
+    }
+
+    const bytes = await module.arrayBuffer();
+    return await WebAssembly.instantiate(bytes, imports);
+  } else {
+    const instance = await WebAssembly.instantiate(module, imports);
+
+    if (instance instanceof WebAssembly.Instance) {
+      return { instance, module };
+    } else {
+      return instance;
+    }
+  }
+}
+
+async function init(input) {
+  if (typeof input === 'undefined') {
+    input = import.meta.url.replace(/\.js$/, '_bg.wasm');
+  }
+  const imports = {};
+
+  if (
+    typeof input === 'string' ||
+    (typeof Request === 'function' && input instanceof Request) ||
+    (typeof URL === 'function' && input instanceof URL)
+  ) {
+    input = fetch(input);
+  }
+
+  const { instance, module } = await load(await input, imports);
+
+  wasm = instance.exports;
+  init.__wbindgen_wasm_module = module;
+
+  return wasm;
+}
+
+export default init;

codecs/resize/pkg/squoosh_resize_bg.js

@@ -1,52 +0,0 @@
-import * as wasm from './squoosh_resize_bg.wasm';
-
-let cachegetUint8Memory0 = null;
-function getUint8Memory0() {
-    if (cachegetUint8Memory0 === null || cachegetUint8Memory0.buffer !== wasm.memory.buffer) {
-        cachegetUint8Memory0 = new Uint8Array(wasm.memory.buffer);
-    }
-    return cachegetUint8Memory0;
-}
-
-let WASM_VECTOR_LEN = 0;
-
-function passArray8ToWasm0(arg, malloc) {
-    const ptr = malloc(arg.length * 1);
-    getUint8Memory0().set(arg, ptr / 1);
-    WASM_VECTOR_LEN = arg.length;
-    return ptr;
-}
-
-let cachegetInt32Memory0 = null;
-function getInt32Memory0() {
-    if (cachegetInt32Memory0 === null || cachegetInt32Memory0.buffer !== wasm.memory.buffer) {
-        cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer);
-    }
-    return cachegetInt32Memory0;
-}
-
-function getArrayU8FromWasm0(ptr, len) {
-    return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
-}
-/**
-* @param {Uint8Array} input_image
-* @param {number} input_width
-* @param {number} input_height
-* @param {number} output_width
-* @param {number} output_height
-* @param {number} typ_idx
-* @param {boolean} premultiply
-* @param {boolean} color_space_conversion
-* @returns {Uint8Array}
-*/
-export function resize(input_image, input_width, input_height, output_width, output_height, typ_idx, premultiply, color_space_conversion) {
-    var ptr0 = passArray8ToWasm0(input_image, wasm.__wbindgen_malloc);
-    var len0 = WASM_VECTOR_LEN;
-    wasm.resize(8, ptr0, len0, input_width, input_height, output_width, output_height, typ_idx, premultiply, color_space_conversion);
-    var r0 = getInt32Memory0()[8 / 4 + 0];
-    var r1 = getInt32Memory0()[8 / 4 + 1];
-    var v1 = getArrayU8FromWasm0(r0, r1).slice();
-    wasm.__wbindgen_free(r0, r1 * 1);
-    return v1;
-}
-

codecs/rust.Dockerfile

@@ -1,9 +1,13 @@
-FROM emscripten/emsdk:1.39.19 AS wasm-tools
+ARG RUST_IMG=rust:1.47
+
+FROM emscripten/emsdk:2.0.8 AS wasm-tools
 WORKDIR /opt/wasm-tools
 RUN wget -qO- https://github.com/rustwasm/wasm-pack/releases/download/v0.9.1/wasm-pack-v0.9.1-x86_64-unknown-linux-musl.tar.gz | tar -xzf - --strip 1
 
-FROM rust:1.44-stretch AS rust
+FROM $RUST_IMG AS rust
+ARG RUST_IMG
 RUN rustup target add wasm32-unknown-unknown
+RUN case $RUST_IMG in rustlang/rust@*) rustup component add rust-src; esac
 COPY --from=wasm-tools /emsdk/upstream/bin/wasm-opt /emsdk/upstream/bin/clang /usr/local/bin/
 COPY --from=wasm-tools /emsdk/upstream/lib/ /usr/local/lib/
 COPY --from=wasm-tools /emsdk/upstream/emscripten/system/include/libc/ /wasm32/include/
@@ -12,4 +16,4 @@ COPY --from=wasm-tools /opt/wasm-tools/wasm-pack /usr/local/cargo/bin/
 
 ENV CPATH="/wasm32/include"
 WORKDIR /src
-CMD ["sh", "-c", "rm -rf pkg && wasm-pack build -- --verbose --locked && rm pkg/.gitignore"]
+CMD ["sh", "-c", "rm -rf pkg && wasm-pack build --target web -- --verbose --locked && rm pkg/.gitignore"]

codecs/webp/Makefile

@@ -1,4 +1,4 @@
-CODEC_URL := https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-1.0.2.tar.gz
+CODEC_URL := https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-1.1.0.tar.gz
 CODEC_DIR = node_modules/libwebp
 CODEC_OUT_RELATIVE = src/.libs/libwebp.a
 CODEC_OUT := $(addprefix $(CODEC_DIR)/, $(CODEC_OUT_RELATIVE))
@@ -18,7 +18,9 @@ all: $(OUT_JS)
 		--closure 1 \
 		-s ALLOW_MEMORY_GROWTH=1 \
 		-s MODULARIZE=1 \
-		-s 'EXPORT_NAME="$(basename $(@F))"' \
+		-s TEXTDECODER=2 \
+		-s ENVIRONMENT='worker' \
+		-s EXPORT_ES6=1 \
 		-o $@ \
 		$+
 

codecs/webp/dec/example.html

@@ -1,22 +1,20 @@
 <!doctype html>
 <script src='webp_dec.js'></script>
 <script>
-  const Module = webp_dec();
-
   async function loadFile(src) {
     const resp = await fetch(src);
     return await resp.arrayBuffer();
   }
 
-  Module.onRuntimeInitialized = async _ => {
-    console.log('Version:', Module.version().toString(16));
+  webp_dec().then(async module => {
+    console.log('Version:', module.version().toString(16));
     const image = await loadFile('../../example.webp');
-    const imageData = Module.decode(image);
+    const imageData = module.decode(image);
     const canvas = document.createElement('canvas');
-    canvas.width = result.width;
-    canvas.height = result.height;
+    canvas.width = imageData.width;
+    canvas.height = imageData.height;
     document.body.appendChild(canvas);
     const ctx = canvas.getContext('2d');
     ctx.putImageData(imageData, 0, 0);
-  };
+  });
 </script>

codecs/webp/dec/webp_dec.cpp

@@ -17,7 +17,10 @@ val decode(std::string buffer) {
   int width, height;
   std::unique_ptr<uint8_t[]> rgba(
       WebPDecodeRGBA((const uint8_t*)buffer.c_str(), buffer.size(), &width, &height));
-  return rgba ? ImageData.new_(Uint8ClampedArray.new_(typed_memory_view(width * height * 4, rgba.get())), width, height) : val::null();
+  return rgba ? ImageData.new_(
+                    Uint8ClampedArray.new_(typed_memory_view(width * height * 4, rgba.get())),
+                    width, height)
+              : val::null();
 }
 
 EMSCRIPTEN_BINDINGS(my_module) {

codecs/webp/dec/webp_dec.d.ts

@@ -1,5 +1,7 @@
-interface WebPModule extends EmscriptenWasm.Module {
+export interface WebPModule extends EmscriptenWasm.Module {
   decode(data: BufferSource): ImageData | null;
 }
 
-export default function(opts: EmscriptenWasm.ModuleOpts): WebPModule;
+declare var moduleFactory: EmscriptenWasm.ModuleFactory<WebPModule>;
+
+export default moduleFactory;

codecs/webp/enc/example.html

@@ -1,8 +1,6 @@
 <!doctype html>
 <script src='webp_enc.js'></script>
 <script>
-  const module = webp_enc();
-
   async function loadImage(src) {
     // Load image
     const img = document.createElement('img');
@@ -17,7 +15,7 @@
     return ctx.getImageData(0, 0, img.width, img.height);
   }
 
-  module.onRuntimeInitialized = async _ => {
+  webp_enc().then(async module => {
     console.log('Version:', module.version().toString(16));
     const image = await loadImage('../../example.png');
     const result = module.encode(image.data, image.width, image.height, {
@@ -56,5 +54,5 @@
     const img = document.createElement('img');
     img.src = blobURL;
     document.body.appendChild(img);
-  };
+  });
 </script>

codecs/webp/enc/webp_enc.d.ts

@@ -1,7 +1,42 @@
-import { EncodeOptions } from '../../../src/codecs/webp/encoder-meta';
-
-interface WebPModule extends EmscriptenWasm.Module {
-  encode(data: BufferSource, width: number, height: number, options: EncodeOptions): Uint8Array | null;
+export interface EncodeOptions {
+  quality: number;
+  target_size: number;
+  target_PSNR: number;
+  method: number;
+  sns_strength: number;
+  filter_strength: number;
+  filter_sharpness: number;
+  filter_type: number;
+  partitions: number;
+  segments: number;
+  pass: number;
+  show_compressed: number;
+  preprocessing: number;
+  autofilter: number;
+  partition_limit: number;
+  alpha_compression: number;
+  alpha_filtering: number;
+  alpha_quality: number;
+  lossless: number;
+  exact: number;
+  image_hint: number;
+  emulate_jpeg_size: number;
+  thread_level: number;
+  low_memory: number;
+  near_lossless: number;
+  use_delta_palette: number;
+  use_sharp_yuv: number;
 }
 
-export default function(opts: EmscriptenWasm.ModuleOpts): WebPModule;
+export interface WebPModule extends EmscriptenWasm.Module {
+  encode(
+    data: BufferSource,
+    width: number,
+    height: number,
+    options: EncodeOptions,
+  ): Uint8Array | null;
+}
+
+declare var moduleFactory: EmscriptenWasm.ModuleFactory<WebPModule>;
+
+export default moduleFactory;

codecs/wp2/Makefile

@@ -0,0 +1,50 @@
+CODEC_URL = https://chromium.googlesource.com/codecs/libwebp2/+archive/c90b5b476004c9a98731ae1c175cebab5de50fbf.tar.gz
+CODEC_DIR = node_modules/wp2
+CODEC_BUILD_DIR := $(CODEC_DIR)/.build
+CODEC_OUT := $(CODEC_BUILD_DIR)/libwebp2.a
+
+OUT_JS = enc/wp2_enc.js dec/wp2_dec.js
+OUT_WASM = $(OUT_JS:.js=.wasm)
+
+.PHONY: all clean
+
+all: $(OUT_JS)
+
+%.js: %.cpp $(CODEC_OUT)
+	$(CXX) \
+		-I $(CODEC_DIR) \
+		${CXXFLAGS} \
+		${LDFLAGS} \
+		--bind \
+		--closure 1 \
+		-s ALLOW_MEMORY_GROWTH=1 \
+		-s MODULARIZE=1 \
+		-s TEXTDECODER=2 \
+		-s ENVIRONMENT='worker' \
+		-s EXPORT_ES6=1 \
+		-s EXPORT_NAME="$(basename $(@F))" \
+		-o $@ \
+		$+
+
+$(CODEC_OUT): $(CODEC_BUILD_DIR)/Makefile
+	cd $(CODEC_BUILD_DIR) && \
+	$(MAKE)
+
+$(CODEC_BUILD_DIR)/Makefile: $(CODEC_DIR)/CMakeLists.txt
+	mkdir -p $(CODEC_BUILD_DIR)
+	cd $(CODEC_BUILD_DIR) && \
+	emcmake cmake \
+		-DWP2_ENABLE_SIMD=0 \
+		-DWP2_BUILD_TESTS=0 \
+		-DWP2_ENABLE_TESTS=0 \
+		-DWP2_BUILD_EXAMPLES=0 \
+		-DWP2_BUILD_EXTRAS=0 \
+		../
+
+$(CODEC_DIR)/CMakeLists.txt:
+	mkdir -p $(CODEC_DIR)
+	curl -sL $(CODEC_URL) | tar xz -C $(CODEC_DIR)
+
+clean:
+	$(RM) $(OUT_JS) $(OUT_WASM)
+	$(MAKE) -C $(CODEC_BUILD_DIR) clean

codecs/wp2/dec/README.md

@@ -0,0 +1,17 @@
+# WebP2 decoder
+
+- Source: <https://chromium.googlesource.com/codecs/libwebp2>
+
+## Dependencies
+
+- Docker
+
+## Example
+
+N/A
+
+## API
+
+### `ImageData decode(uint8_t* image_buffer, int image_width, int image_height)`
+
+Decodes the given WebP2 buffer into raw RGBA represented as an `ImageData`.

codecs/wp2/dec/wp2_dec.cpp

@@ -0,0 +1,24 @@
+#include <emscripten/bind.h>
+#include <emscripten/val.h>
+#include <cstdio>
+#include "src/wp2/decode.h"
+
+using namespace emscripten;
+
+thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");
+thread_local const val ImageData = val::global("ImageData");
+
+val decode(std::string image_in) {
+  WP2::ArgbBuffer buffer(WP2_rgbA_32);
+  WP2Status status = WP2::Decode(image_in, &buffer);
+  if (status != WP2_STATUS_OK) {
+    return val::null();
+  }
+  return ImageData.new_(
+      Uint8ClampedArray.new_(typed_memory_view(buffer.stride * buffer.height, buffer.GetRow8(0))),
+      buffer.width, buffer.height);
+}
+
+EMSCRIPTEN_BINDINGS(my_module) {
+  function("decode", &decode);
+}

codecs/wp2/dec/wp2_dec.d.ts

@@ -0,0 +1,7 @@
+export interface WP2Module extends EmscriptenWasm.Module {
+  decode(data: BufferSource): ImageData | null;
+}
+
+declare var moduleFactory: EmscriptenWasm.ModuleFactory<WP2Module>;
+
+export default moduleFactory;

codecs/wp2/enc/README.md

@@ -0,0 +1,17 @@
+# WebP2 encoder
+
+- Source: <https://chromium.googlesource.com/codecs/libwebp2>
+
+## Dependencies
+
+- Docker
+
+## Example
+
+N/A
+
+## API
+
+### `UInt8Array encode(uint8_t* image_buffer, int image_width, int image_height, WP2::EncoderConfig config)`
+
+Encodes the given image with given dimension to WebP2.

codecs/wp2/enc/wp2_enc.cpp

@@ -0,0 +1,66 @@
+#include <emscripten/bind.h>
+#include <emscripten/val.h>
+#include <cstdio>
+#include "src/wp2/encode.h"
+
+using namespace emscripten;
+
+thread_local const val Uint8Array = val::global("Uint8Array");
+
+struct WP2Options {
+  float quality;
+  float alpha_quality;
+  int speed;
+  int pass;
+  int uv_mode;
+  float sns;
+  int csp_type;
+  int error_diffusion;
+  bool use_random_matrix;
+};
+
+val encode(std::string image_in, int image_width, int image_height, WP2Options options) {
+  WP2::EncoderConfig config = {};
+
+  config.quality = options.quality;
+  config.alpha_quality = options.alpha_quality;
+  config.speed = options.speed;
+  config.pass = options.pass;
+  config.uv_mode = static_cast<WP2::EncoderConfig::UVMode>(options.uv_mode);
+  config.csp_type = static_cast<WP2::Csp>(options.csp_type);
+  config.sns = options.sns;
+  config.error_diffusion = options.error_diffusion;
+  config.use_random_matrix = options.use_random_matrix;
+
+  uint8_t* image_buffer = (uint8_t*)image_in.c_str();
+  WP2::ArgbBuffer src = WP2::ArgbBuffer();
+  WP2Status status =
+      src.Import(WP2_rgbA_32,  // Format. WP2_RGBA_32 is the same but NOT premultiplied alpha
+                 image_width, image_height, image_buffer, 4 * image_width);
+  if (status != WP2_STATUS_OK) {
+    return val::null();
+  }
+
+  WP2::MemoryWriter memory_writer;
+  status = WP2::Encode(src, &memory_writer, config);
+  if (status != WP2_STATUS_OK) {
+    return val::null();
+  }
+
+  return Uint8Array.new_(typed_memory_view(memory_writer.size_, memory_writer.mem_));
+}
+
+EMSCRIPTEN_BINDINGS(my_module) {
+  value_object<WP2Options>("WP2Options")
+      .field("quality", &WP2Options::quality)
+      .field("alpha_quality", &WP2Options::alpha_quality)
+      .field("speed", &WP2Options::speed)
+      .field("pass", &WP2Options::pass)
+      .field("uv_mode", &WP2Options::uv_mode)
+      .field("csp_type", &WP2Options::csp_type)
+      .field("error_diffusion", &WP2Options::error_diffusion)
+      .field("use_random_matrix", &WP2Options::use_random_matrix)
+      .field("sns", &WP2Options::sns);
+
+  function("encode", &encode);
+}

codecs/wp2/enc/wp2_enc.d.ts

@@ -0,0 +1,38 @@
+export interface EncodeOptions {
+  quality: number;
+  alpha_quality: number;
+  speed: number;
+  pass: number;
+  sns: number;
+  uv_mode: UVMode;
+  csp_type: Csp;
+  error_diffusion: number;
+  use_random_matrix: boolean;
+}
+
+export const enum UVMode {
+  UVModeAdapt = 0, // Mix of 420 and 444 (per block)
+  UVMode420, // All blocks 420
+  UVMode444, // All blocks 444
+  UVModeAuto, // Choose any of the above automatically
+}
+
+export const enum Csp {
+  kYCoCg,
+  kYCbCr,
+  kCustom,
+  kYIQ,
+}
+
+export interface WP2Module extends EmscriptenWasm.Module {
+  encode(
+    data: BufferSource,
+    width: number,
+    height: number,
+    options: EncodeOptions,
+  ): Uint8Array | null;
+}
+
+declare var moduleFactory: EmscriptenWasm.ModuleFactory<WP2Module>;
+
+export default moduleFactory;