Update avif_enc_mt.js

Update JPEG XL.

.babelrc

@@ -1,31 +0,0 @@
-{
-	"presets": [
-		[
-			"env",
-			{
-				"loose": true,
-				"uglify": false,
-				"modules": false,
-				"targets": {
-					"browsers": "last 2 versions"
-				},
-				"exclude": [
-					"transform-regenerator",
-					"transform-es2015-typeof-symbol"
-				]
-			}
-		]
-	],
-	"plugins": [
-		"transform-decorators-legacy",
-		"transform-class-properties",
-		"transform-react-constant-elements",
-		"transform-react-remove-prop-types",
-		[
-			"transform-react-jsx",
-			{
-				"pragma": "h"
-			}
-		]
-	]
-}

.clang-format

@@ -0,0 +1,2 @@
+BasedOnStyle: Chromium
+ColumnLimit: 100

.editorconfig

@@ -7,3 +7,6 @@ end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
+
+[Makefile]
+indent_style = tab

.gitattributes

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

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,36 @@
+---
+name: Bug report
+about: Something is not working as expected
+labels: 
+
+---
+
+**Before you start**
+Please take a look at the [FAQ](https://github.com/GoogleChromeLabs/squoosh/wiki/FAQ) as well as the already opened issues! If nothing fits your problem, go ahead and fill out the following template:
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Version:**
+ - OS w/ version: [e.g. iOS 12]
+ - Browser w/ version [e.g. Chrome 70]
+ - Node version: [e.g. 10.11.0]
+ - npm version: [e.g. 6.4.1]
+
+**Is your issue related to the quality of image compression?**
+Please attach original and output images (you can drag & drop to attach). 
+- Original image 
+- Output image from Squoosh
+
+**Additional context, screenshots, screencasts**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,18 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+labels: 
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Does other service/app have this feature?**
+Add any service you know/use that has this feature (We want to know for research)
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.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

@@ -1,3 +1,12 @@
+.tmp
 node_modules
-/build
-/*.log
+*.scss.d.ts
+*.css.d.ts
+build
+*.o
+.DS_Store
+
+# 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

@@ -0,0 +1 @@
+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"
+}

README.md

@@ -1,5 +1,36 @@
-# Squoosh!
+# [Squoosh]!
 
-Squoosh will be an image compression web app that allows you to dive into the
-advanced options provided by various image compressors.
+[Squoosh] is an image compression web app that allows you to dive into the advanced options provided
+by various image compressors.
 
+# CLI
+
+[Squoosh now has a CLI](https://github.com/GoogleChromeLabs/squoosh/tree/dev/cli) that allows you to compress many images at once.
+
+# Privacy
+
+Google Analytics is used to record the following:
+
+- [Basic visit data](https://support.google.com/analytics/answer/6004245?ref_topic=2919631).
+- Before and after image size once an image is downloaded. These values are rounded to the nearest
+  kilobyte.
+- If install is available, when Squoosh is installed, and what method was used to install Squoosh.
+
+Image compression is handled locally; no additional data is sent to the server.
+
+# Building locally
+
+Clone the repo, and:
+
+```sh
+npm install
+npm run build
+```
+
+You can run the development server with:
+
+```sh
+npm run dev
+```
+
+[squoosh]: https://squoosh.app

cli/.gitignore

@@ -0,0 +1,3 @@
+node_modules
+build
+.DS_Store

cli/.npmignore

@@ -0,0 +1 @@
+node_modules

cli/README.md

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+# Squoosh CLI
+
+Squoosh CLI is an _experimental_ way to run all the codecs you know from the [Squoosh] web app on your command line using WebAssembly. The Squoosh CLI uses a worker pool to parallelize processing images. This way you can apply the same codec to many images at once.
+
+Squoosh CLI is currently not the fastest image compression tool in town and doesn’t aim to be. It is, however, fast enough to compress many images sufficiently quick at once.
+
+## Installation
+
+The Squoosh CLI can be used straight from the command line without installing using `npx`:
+
+```
+$ npx @squoosh/cli <options...>
+```
+
+Of course, you can also install the Squoosh CLI:
+
+```
+$ npm i -g @squoosh/cli
+$ squoosh-cli <options...>
+```
+
+## Usage
+
+```
+Usage: squoosh-cli [options] <files...>
+
+Options:
+  -V, --version                                          output the version number
+  -d, --output-dir <dir>                                 Output directory (default: ".")
+  -s, --suffix <suffix>                                  Append suffix to output files (default: "")
+  --max-optimizer-rounds <rounds>                        Maximum number of compressions to use for auto optimizations (default: "6")
+  --optimizer-butteraugli-target <butteraugli distance>  Target Butteraugli distance for auto optimizer (default: "1.4")
+  --resize [config]                                      Resize the image before compressing
+  --quant [config]                                       Reduce the number of colors used (aka. paletting)
+  --rotate [config]                                      Rotate image
+  --mozjpeg [config]                                     Use MozJPEG to generate a .jpg file with the given configuration
+  --webp [config]                                        Use WebP to generate a .webp file with the given configuration
+  --avif [config]                                        Use AVIF to generate a .avif file with the given configuration
+  --jxl [config]                                         Use JPEG-XL to generate a .jxl file with the given configuration
+  --wp2 [config]                                         Use WebP2 to generate a .wp2 file with the given configuration
+  --oxipng [config]                                      Use OxiPNG to generate a .png file with the given configuration
+  -h, --help                                             display help for command
+```
+
+The default values for each `config` option can be found in the [`codecs.js`][codecs.js] file under `defaultEncoderOptions`. Every unspecified value will use the default value specified here. _Better documentation is needed here._
+
+## Auto optimizer
+
+Squoosh CLI has an _experimental_ auto optimizer that compresses an image as much as possible, trying to hit a specific [Butteraugli] target value. The higher the Butteraugli target value, the more artifacts can be introduced.
+
+You can make use of the auto optimizer by using “auto” as the config object.
+
+```
+$ npx @squoosh/cli --wp2 auto test.png
+```
+
+[squoosh]: https://squoosh.app
+[codecs.js]: https://github.com/GoogleChromeLabs/squoosh/blob/dev/cli/src/codecs.js
+[butteraugli]: https://github.com/google/butteraugli

cli/lib/asset-plugin.js

@@ -0,0 +1,75 @@
+/**
+ * Copyright 2020 Google Inc. All Rights Reserved.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { promises as fs } from "fs";
+import { basename } from "path";
+
+const defaultOpts = {
+  prefix: "asset-url"
+};
+
+export default function assetPlugin(opts) {
+  opts = { ...defaultOpts, ...opts };
+
+  /** @type {Map<string, Buffer>} */
+  let assetIdToSourceBuffer;
+
+  const prefix = opts.prefix + ":";
+  return {
+    name: "asset-plugin",
+    buildStart() {
+      assetIdToSourceBuffer = new Map();
+    },
+    augmentChunkHash(info) {
+      // Get the sources for all assets imported by this chunk.
+      const buffers = Object.keys(info.modules)
+        .map(moduleId => assetIdToSourceBuffer.get(moduleId))
+        .filter(Boolean);
+
+      if (buffers.length === 0) return;
+
+      for (const moduleId of Object.keys(info.modules)) {
+        const buffer = assetIdToSourceBuffer.get(moduleId);
+        if (buffer) buffers.push(buffer);
+      }
+
+      const combinedBuffer =
+        buffers.length === 1 ? buffers[0] : Buffer.concat(buffers);
+
+      return combinedBuffer;
+    },
+    async resolveId(id, importer) {
+      if (!id.startsWith(prefix)) return;
+      const realId = id.slice(prefix.length);
+      const resolveResult = await this.resolve(realId, importer);
+
+      if (!resolveResult) {
+        throw Error(`Cannot find ${realId}`);
+      }
+      // Add an additional .js to the end so it ends up with .js at the end in the _virtual folder.
+      return prefix + resolveResult.id + ".js";
+    },
+    async load(id) {
+      if (!id.startsWith(prefix)) return;
+      const realId = id.slice(prefix.length, -".js".length);
+      const source = await fs.readFile(realId);
+      assetIdToSourceBuffer.set(id, source);
+      this.addWatchFile(realId);
+
+      return `export default import.meta.ROLLUP_FILE_URL_${this.emitFile({
+        type: "asset",
+        source,
+        name: basename(realId)
+      })}`;
+    }
+  };
+}

cli/lib/autojson-plugin.js

@@ -0,0 +1,12 @@
+import { promises as fsp } from 'fs';
+
+export default function autojsonPlugin() {
+  return {
+    name: 'autojson-plugin',
+    async load(id) {
+      if (id.endsWith('.json') && !id.startsWith('json:')) {
+        return 'export default ' + await fsp.readFile(id, 'utf8');
+      }
+    }
+  };
+};

cli/lib/json-plugin.js

@@ -0,0 +1,38 @@
+import { promises as fsp } from 'fs';
+
+const prefix = 'json:';
+
+const reservedKeys = ['public'];
+
+export default function jsonPlugin() {
+  return {
+    name: 'json-plugin',
+    async resolveId(id, importer) {
+      if (!id.startsWith(prefix)) return;
+      const realId = id.slice(prefix.length);
+      const resolveResult = await this.resolve(realId, importer);
+
+      if (!resolveResult) {
+        throw Error(`Cannot find ${realId}`);
+      }
+      // Add an additional .js to the end so it ends up with .js at the end in the _virtual folder.
+      return prefix + resolveResult.id;
+    },
+    async load(id) {
+      if (!id.startsWith(prefix)) return;
+      const realId = id.slice(prefix.length);
+      const source = await fsp.readFile(realId, 'utf8');
+
+      let code = '';
+      for (const [key, value] of Object.entries(JSON.parse(source))) {
+        if (reservedKeys.includes(key)) {
+          continue;
+        }
+        code += `
+        export const ${key} = ${JSON.stringify(value)};
+      `;
+      }
+      return code;
+    },
+  };
+}

cli/package.json

@@ -0,0 +1,32 @@
+{
+  "name": "@squoosh/cli",
+  "version": "0.6.0",
+  "description": "A CLI for Squoosh",
+  "public": true,
+  "bin": {
+    "squoosh-cli": "build/index.js",
+    "@squoosh/cli": "build/index.js"
+  },
+  "scripts": {
+    "build": "rollup -c"
+  },
+  "keywords": [],
+  "author": "Google Chrome Developers <chromium-dev@google.com>",
+  "license": "Apache-2.0",
+  "dependencies": {
+    "web-streams-polyfill": "^3.0.0"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.11.6",
+    "@babel/preset-env": "^7.11.5",
+    "@rollup/plugin-babel": "^5.2.1",
+    "@rollup/plugin-commonjs": "^15.0.0",
+    "@rollup/plugin-node-resolve": "^9.0.0",
+    "commander": "^6.0.0",
+    "json5": "^2.1.3",
+    "kleur": "^4.1.3",
+    "ora": "^5.1.0",
+    "rollup": "^2.26.11",
+    "rollup-plugin-terser": "^7.0.2"
+  }
+}

cli/rollup.config.js

@@ -0,0 +1,45 @@
+import resolve from '@rollup/plugin-node-resolve';
+import cjs from '@rollup/plugin-commonjs';
+import asset from './lib/asset-plugin.js';
+import json from './lib/json-plugin.js';
+import autojson from './lib/autojson-plugin.js';
+import { getBabelOutputPlugin } from '@rollup/plugin-babel';
+import { builtinModules } from 'module';
+
+/** @type {import('rollup').RollupOptions} */
+export default {
+  input: 'src/index.js',
+  output: {
+    dir: 'build',
+    format: 'cjs',
+    assetFileNames: '[name]-[hash][extname]',
+    // This is needed so the resulting `index.js` can be
+    // executed by `npx`.
+    banner: '#!/usr/bin/env node',
+  },
+  plugins: [
+    resolve(),
+    cjs(),
+    asset(),
+    autojson(),
+    json(),
+    getBabelOutputPlugin({
+      babelrc: false,
+      configFile: false,
+      minified: process.env.DEBUG != '',
+      comments: false,
+      presets: [
+        [
+          '@babel/preset-env',
+          {
+            targets: {
+              node: 12,
+            },
+            loose: true,
+          },
+        ],
+      ],
+    }),
+  ],
+  external: builtinModules,
+};

cli/src/auto-optimizer.js

@@ -0,0 +1,70 @@
+import { instantiateEmscriptenWasm } from "./emscripten-utils.js";
+
+import visdif from "../../codecs/visdif/visdif.js";
+import visdifWasm from "asset-url:../../codecs/visdif/visdif.wasm";
+
+// `measure` is a (async) function that takes exactly one numeric parameter and
+// returns a value. The function is assumed to be monotonic (an increase in `parameter`
+// will result in an increase in the return value. The function uses binary search
+// to find `parameter` such that `measure` returns `measureGoal`, within an error
+// of `epsilon`. It will use at most `maxRounds` attempts.
+export async function binarySearch(
+  measureGoal,
+  measure,
+  { min = 0, max = 100, epsilon = 0.1, maxRounds = 8 } = {}
+) {
+  let parameter = (max - min) / 2 + min;
+  let delta = (max - min) / 4;
+  let value;
+  let round = 1;
+  while (true) {
+    value = await measure(parameter);
+    if (Math.abs(value - measureGoal) < epsilon || round >= maxRounds) {
+      return { parameter, round, value };
+    }
+    if (value > measureGoal) {
+      parameter -= delta;
+    } else if (value < measureGoal) {
+      parameter += delta;
+    }
+    delta /= 2;
+    round++;
+  }
+}
+
+export async function autoOptimize(
+  bitmapIn,
+  encode,
+  decode,
+  { butteraugliDistanceGoal = 1.4, ...otherOpts } = {}
+) {
+  const { VisDiff } = await instantiateEmscriptenWasm(visdif, visdifWasm);
+
+  const comparator = new VisDiff(
+    bitmapIn.data,
+    bitmapIn.width,
+    bitmapIn.height
+  );
+
+  let bitmapOut;
+  let binaryOut;
+  // Increasing quality means _decrease_ in Butteraugli distance.
+  // `binarySearch` assumes that increasing `parameter` will
+  // increase the metric value. So multipliy Butteraugli values by -1.
+  const { parameter } = await binarySearch(
+    -1 * butteraugliDistanceGoal,
+    async quality => {
+      binaryOut = await encode(bitmapIn, quality);
+      bitmapOut = await decode(binaryOut);
+      return -1 * comparator.distance(bitmapOut.data);
+    },
+    otherOpts
+  );
+  comparator.delete();
+
+  return {
+    bitmap: bitmapOut,
+    binary: binaryOut,
+    quality: parameter
+  };
+}

cli/src/codecs.js

@@ -0,0 +1,361 @@
+import { promises as fsp } from 'fs';
+import { instantiateEmscriptenWasm, pathify } from './emscripten-utils.js';
+
+// MozJPEG
+import mozEnc from '../../codecs/mozjpeg/enc/mozjpeg_node_enc.js';
+import mozEncWasm from 'asset-url:../../codecs/mozjpeg/enc/mozjpeg_node_enc.wasm';
+import mozDec from '../../codecs/mozjpeg/dec/mozjpeg_node_dec.js';
+import mozDecWasm from 'asset-url:../../codecs/mozjpeg/dec/mozjpeg_node_dec.wasm';
+
+// WebP
+import webpEnc from '../../codecs/webp/enc/webp_node_enc.js';
+import webpEncWasm from 'asset-url:../../codecs/webp/enc/webp_node_enc.wasm';
+import webpDec from '../../codecs/webp/dec/webp_node_dec.js';
+import webpDecWasm from 'asset-url:../../codecs/webp/dec/webp_node_dec.wasm';
+
+// AVIF
+import avifEnc from '../../codecs/avif/enc/avif_node_enc.js';
+import avifEncWasm from 'asset-url:../../codecs/avif/enc/avif_node_enc.wasm';
+import avifDec from '../../codecs/avif/dec/avif_node_dec.js';
+import avifDecWasm from 'asset-url:../../codecs/avif/dec/avif_node_dec.wasm';
+
+// JXL
+import jxlEnc from '../../codecs/jxl/enc/jxl_node_enc.js';
+import jxlEncWasm from 'asset-url:../../codecs/jxl/enc/jxl_node_enc.wasm';
+import jxlDec from '../../codecs/jxl/dec/jxl_node_dec.js';
+import jxlDecWasm from 'asset-url:../../codecs/jxl/dec/jxl_node_dec.wasm';
+
+// WP2
+import wp2Enc from '../../codecs/wp2/enc/wp2_node_enc.js';
+import wp2EncWasm from 'asset-url:../../codecs/wp2/enc/wp2_node_enc.wasm';
+import wp2Dec from '../../codecs/wp2/dec/wp2_node_dec.js';
+import wp2DecWasm from 'asset-url:../../codecs/wp2/dec/wp2_node_dec.wasm';
+
+// PNG
+import * as pngEncDec from '../../codecs/png/pkg/squoosh_png.js';
+import pngEncDecWasm from 'asset-url:../../codecs/png/pkg/squoosh_png_bg.wasm';
+const pngEncDecPromise = pngEncDec.default(
+  fsp.readFile(pathify(pngEncDecWasm)),
+);
+
+// OxiPNG
+import * as oxipng from '../../codecs/oxipng/pkg/squoosh_oxipng.js';
+import oxipngWasm from 'asset-url:../../codecs/oxipng/pkg/squoosh_oxipng_bg.wasm';
+const oxipngPromise = oxipng.default(fsp.readFile(pathify(oxipngWasm)));
+
+// Resize
+import * as resize from '../../codecs/resize/pkg/squoosh_resize.js';
+import resizeWasm from 'asset-url:../../codecs/resize/pkg/squoosh_resize_bg.wasm';
+const resizePromise = resize.default(fsp.readFile(pathify(resizeWasm)));
+
+// rotate
+import rotateWasm from 'asset-url:../../codecs/rotate/rotate.wasm';
+
+// ImageQuant
+import imageQuant from '../../codecs/imagequant/imagequant_node.js';
+import imageQuantWasm from 'asset-url:../../codecs/imagequant/imagequant_node.wasm';
+const imageQuantPromise = instantiateEmscriptenWasm(imageQuant, imageQuantWasm);
+
+// Our decoders currently rely on a `ImageData` global.
+import ImageData from './image_data.js';
+globalThis.ImageData = ImageData;
+
+function resizeNameToIndex(name) {
+  switch (name) {
+    case 'triangle':
+      return 0;
+    case 'catrom':
+      return 1;
+    case 'mitchell':
+      return 2;
+    case 'lanczos3':
+      return 3;
+    default:
+      throw Error(`Unknown resize algorithm "${name}"`);
+  }
+}
+
+function resizeWithAspect({
+  input_width,
+  input_height,
+  target_width,
+  target_height,
+}) {
+  if (!target_width && !target_height) {
+    throw Error('Need to specify at least width or height when resizing');
+  }
+  if (target_width && target_height) {
+    return { width: target_width, height: target_height };
+  }
+  if (!target_width) {
+    return {
+      width: Math.round((input_width / input_height) * target_height),
+      height: target_height,
+    };
+  }
+  if (!target_height) {
+    return {
+      width: target_width,
+      height: Math.round((input_height / input_width) * target_width),
+    };
+  }
+}
+
+export const preprocessors = {
+  resize: {
+    name: 'Resize',
+    description: 'Resize the image before compressing',
+    instantiate: async () => {
+      await resizePromise;
+      return (
+        buffer,
+        input_width,
+        input_height,
+        { width, height, method, premultiply, linearRGB },
+      ) => {
+        ({ width, height } = resizeWithAspect({
+          input_width,
+          input_height,
+          target_width: width,
+          target_height: height,
+        }));
+        return new ImageData(
+          resize.resize(
+            buffer,
+            input_width,
+            input_height,
+            width,
+            height,
+            resizeNameToIndex(method),
+            premultiply,
+            linearRGB,
+          ),
+          width,
+          height,
+        );
+      };
+    },
+    defaultOptions: {
+      method: 'lanczos3',
+      fitMethod: 'stretch',
+      premultiply: true,
+      linearRGB: true,
+    },
+  },
+  // // TODO: Need to handle SVGs and HQX
+  quant: {
+    name: 'ImageQuant',
+    description: 'Reduce the number of colors used (aka. paletting)',
+    instantiate: async () => {
+      const imageQuant = await imageQuantPromise;
+      return (buffer, width, height, { numColors, dither }) =>
+        new ImageData(
+          imageQuant.quantize(buffer, width, height, numColors, dither),
+          width,
+          height,
+        );
+    },
+    defaultOptions: {
+      numColors: 255,
+      dither: 1.0,
+    },
+  },
+  rotate: {
+    name: 'Rotate',
+    description: 'Rotate image',
+    instantiate: async () => {
+      return async (buffer, width, height, { numRotations }) => {
+        const degrees = (numRotations * 90) % 360;
+        const sameDimensions = degrees == 0 || degrees == 180;
+        const size = width * height * 4;
+        const { instance } = await WebAssembly.instantiate(
+          await fsp.readFile(pathify(rotateWasm)),
+        );
+        const { memory } = instance.exports;
+        const additionalPagesNeeded = Math.ceil(
+          (size * 2 - memory.buffer.byteLength + 8) / (64 * 1024),
+        );
+        if (additionalPagesNeeded > 0) {
+          memory.grow(additionalPagesNeeded);
+        }
+        const view = new Uint8ClampedArray(memory.buffer);
+        view.set(buffer, 8);
+        instance.exports.rotate(width, height, degrees);
+        return new ImageData(
+          view.slice(size + 8, size * 2 + 8),
+          sameDimensions ? width : height,
+          sameDimensions ? height : width,
+        );
+      };
+    },
+    defaultOptions: {
+      numRotations: 0,
+    },
+  },
+};
+
+export const codecs = {
+  mozjpeg: {
+    name: 'MozJPEG',
+    extension: 'jpg',
+    detectors: [/^\xFF\xD8\xFF/],
+    dec: () => instantiateEmscriptenWasm(mozDec, mozDecWasm),
+    enc: () => instantiateEmscriptenWasm(mozEnc, mozEncWasm),
+    defaultEncoderOptions: {
+      quality: 75,
+      baseline: false,
+      arithmetic: false,
+      progressive: true,
+      optimize_coding: true,
+      smoothing: 0,
+      color_space: 3 /*YCbCr*/,
+      quant_table: 3,
+      trellis_multipass: false,
+      trellis_opt_zero: false,
+      trellis_opt_table: false,
+      trellis_loops: 1,
+      auto_subsample: true,
+      chroma_subsample: 2,
+      separate_chroma_quality: false,
+      chroma_quality: 75,
+    },
+    autoOptimize: {
+      option: 'quality',
+      min: 0,
+      max: 100,
+    },
+  },
+  webp: {
+    name: 'WebP',
+    extension: 'webp',
+    detectors: [/^RIFF....WEBPVP8[LX ]/],
+    dec: () => instantiateEmscriptenWasm(webpDec, webpDecWasm),
+    enc: () => instantiateEmscriptenWasm(webpEnc, webpEncWasm),
+    defaultEncoderOptions: {
+      quality: 75,
+      target_size: 0,
+      target_PSNR: 0,
+      method: 4,
+      sns_strength: 50,
+      filter_strength: 60,
+      filter_sharpness: 0,
+      filter_type: 1,
+      partitions: 0,
+      segments: 4,
+      pass: 1,
+      show_compressed: 0,
+      preprocessing: 0,
+      autofilter: 0,
+      partition_limit: 0,
+      alpha_compression: 1,
+      alpha_filtering: 1,
+      alpha_quality: 100,
+      lossless: 0,
+      exact: 0,
+      image_hint: 0,
+      emulate_jpeg_size: 0,
+      thread_level: 0,
+      low_memory: 0,
+      near_lossless: 100,
+      use_delta_palette: 0,
+      use_sharp_yuv: 0,
+    },
+    autoOptimize: {
+      option: 'quality',
+      min: 0,
+      max: 100,
+    },
+  },
+  avif: {
+    name: 'AVIF',
+    extension: 'avif',
+    detectors: [/^\x00\x00\x00 ftypavif\x00\x00\x00\x00/],
+    dec: () => instantiateEmscriptenWasm(avifDec, avifDecWasm),
+    enc: () => instantiateEmscriptenWasm(avifEnc, avifEncWasm),
+    defaultEncoderOptions: {
+      minQuantizer: 33,
+      maxQuantizer: 63,
+      minQuantizerAlpha: 33,
+      maxQuantizerAlpha: 63,
+      tileColsLog2: 0,
+      tileRowsLog2: 0,
+      speed: 8,
+      subsample: 1,
+    },
+    autoOptimize: {
+      option: 'maxQuantizer',
+      min: 0,
+      max: 62,
+    },
+  },
+  jxl: {
+    name: 'JPEG-XL',
+    extension: 'jxl',
+    detectors: [/^\xff\x0a/],
+    dec: () => instantiateEmscriptenWasm(jxlDec, jxlDecWasm),
+    enc: () => instantiateEmscriptenWasm(jxlEnc, jxlEncWasm),
+    defaultEncoderOptions: {
+      speed: 4,
+      quality: 75,
+      progressive: false,
+      epf: -1,
+      nearLossless: 0,
+      lossyPalette: false,
+    },
+    autoOptimize: {
+      option: 'quality',
+      min: 0,
+      max: 100,
+    },
+  },
+  wp2: {
+    name: 'WebP2',
+    extension: 'wp2',
+    detectors: [/^\xF4\xFF\x6F/],
+    dec: () => instantiateEmscriptenWasm(wp2Dec, wp2DecWasm),
+    enc: () => instantiateEmscriptenWasm(wp2Enc, wp2EncWasm),
+    defaultEncoderOptions: {
+      quality: 75,
+      alpha_quality: 75,
+      effort: 5,
+      pass: 1,
+      sns: 50,
+      uv_mode: 0 /*UVMode.UVModeAuto*/,
+      csp_type: 0 /*Csp.kYCoCg*/,
+      error_diffusion: 0,
+      use_random_matrix: false,
+    },
+    autoOptimize: {
+      option: 'quality',
+      min: 0,
+      max: 100,
+    },
+  },
+  oxipng: {
+    name: 'OxiPNG',
+    extension: 'png',
+    detectors: [/^\x89PNG\x0D\x0A\x1A\x0A/],
+    dec: async () => {
+      await pngEncDecPromise;
+      return { decode: pngEncDec.decode };
+    },
+    enc: async () => {
+      await pngEncDecPromise;
+      await oxipngPromise;
+      return {
+        encode: (buffer, width, height, opts) => {
+          const simplePng = pngEncDec.encode(new Uint8Array(buffer), width, height);
+          return oxipng.optimise(simplePng, opts.level);
+        },
+      };
+    },
+    defaultEncoderOptions: {
+      level: 2,
+    },
+    autoOptimize: {
+      option: 'level',
+      min: 6,
+      max: 1,
+    },
+  },
+};

cli/src/emscripten-utils.js

@@ -0,0 +1,16 @@
+import { fileURLToPath } from 'url';
+
+export function pathify(path) {
+  if (path.startsWith('file://')) {
+    path = fileURLToPath(path);
+  }
+  return path;
+}
+
+export function instantiateEmscriptenWasm(factory, path) {
+  return factory({
+    locateFile() {
+      return pathify(path);
+    },
+  });
+}

cli/src/image_data.js

@@ -0,0 +1,7 @@
+export default class ImageData {
+  constructor(data, width, height) {
+    this.data = data;
+    this.width = width;
+    this.height = height;
+  }
+}

cli/src/index.js

@@ -0,0 +1,362 @@
+import { program } from 'commander';
+import JSON5 from 'json5';
+import { isMainThread } from 'worker_threads';
+import { cpus } from 'os';
+import { extname, join, basename } from 'path';
+import { promises as fsp } from 'fs';
+import { resolve as resolvePath } from 'path';
+import { version } from 'json:../package.json';
+import ora from 'ora';
+import kleur from 'kleur';
+
+import { codecs as supportedFormats, preprocessors } from './codecs.js';
+import WorkerPool from './worker_pool.js';
+import { autoOptimize } from './auto-optimizer.js';
+
+function clamp(v, min, max) {
+  if (v < min) return min;
+  if (v > max) return max;
+  return v;
+}
+
+const suffix = ['B', 'KB', 'MB'];
+function prettyPrintSize(size) {
+  const base = Math.floor(Math.log2(size) / 10);
+  const index = clamp(base, 0, 2);
+  return (size / 2 ** (10 * index)).toFixed(2) + suffix[index];
+}
+
+async function decodeFile(file) {
+  const buffer = await fsp.readFile(file);
+  const firstChunk = buffer.slice(0, 16);
+  const firstChunkString = Array.from(firstChunk)
+    .map((v) => String.fromCodePoint(v))
+    .join('');
+  const key = Object.entries(supportedFormats).find(([name, { detectors }]) =>
+    detectors.some((detector) => detector.exec(firstChunkString)),
+  )?.[0];
+  if (!key) {
+    throw Error(`${file} has an unsupported format`);
+  }
+  const rgba = (await supportedFormats[key].dec()).decode(
+    new Uint8Array(buffer),
+  );
+  return {
+    file,
+    bitmap: rgba,
+    size: buffer.length,
+  };
+}
+
+async function preprocessImage({ preprocessorName, options, file }) {
+  const preprocessor = await preprocessors[preprocessorName].instantiate();
+  file.bitmap = await preprocessor(
+    file.bitmap.data,
+    file.bitmap.width,
+    file.bitmap.height,
+    options,
+  );
+  return file;
+}
+
+async function encodeFile({
+  file,
+  size,
+  bitmap: bitmapIn,
+  outputFile,
+  encName,
+  encConfig,
+  optimizerButteraugliTarget,
+  maxOptimizerRounds,
+}) {
+  let out, infoText;
+  const encoder = await supportedFormats[encName].enc();
+  if (encConfig === 'auto') {
+    const optionToOptimize = supportedFormats[encName].autoOptimize.option;
+    const decoder = await supportedFormats[encName].dec();
+    const encode = (bitmapIn, quality) =>
+      encoder.encode(
+        bitmapIn.data,
+        bitmapIn.width,
+        bitmapIn.height,
+        Object.assign({}, supportedFormats[encName].defaultEncoderOptions, {
+          [optionToOptimize]: quality,
+        }),
+      );
+    const decode = (binary) => decoder.decode(binary);
+    const { bitmap, binary, quality } = await autoOptimize(
+      bitmapIn,
+      encode,
+      decode,
+      {
+        min: supportedFormats[encName].autoOptimize.min,
+        max: supportedFormats[encName].autoOptimize.max,
+        butteraugliDistanceGoal: optimizerButteraugliTarget,
+        maxRounds: maxOptimizerRounds,
+      },
+    );
+    out = binary;
+    const opts = {
+      // 5 significant digits is enough
+      [optionToOptimize]: Math.round(quality * 10000) / 10000,
+    };
+    infoText = ` using --${encName} '${JSON5.stringify(opts)}'`;
+  } else {
+    out = encoder.encode(
+      bitmapIn.data.buffer,
+      bitmapIn.width,
+      bitmapIn.height,
+      encConfig,
+    );
+  }
+  await fsp.writeFile(outputFile, out);
+  return {
+    infoText,
+    inputSize: size,
+    inputFile: file,
+    outputFile,
+    outputSize: out.length,
+  };
+}
+
+// both decoding and encoding go through the worker pool
+function handleJob(params) {
+  const { operation } = params;
+  switch (operation) {
+    case 'encode':
+      return encodeFile(params);
+    case 'decode':
+      return decodeFile(params.file);
+    case 'preprocess':
+      return preprocessImage(params);
+    default:
+      throw Error(`Invalid job "${operation}"`);
+  }
+}
+
+function progressTracker(results) {
+  const spinner = ora();
+  const tracker = {};
+  tracker.spinner = spinner;
+  tracker.progressOffset = 0;
+  tracker.totalOffset = 0;
+  let status = '';
+  tracker.setStatus = (text) => {
+    status = text || '';
+    update();
+  };
+  let progress = '';
+  tracker.setProgress = (done, total) => {
+    spinner.prefixText = kleur.dim(`${done}/${total}`);
+    const completeness =
+      (tracker.progressOffset + done) / (tracker.totalOffset + total);
+    progress = kleur.cyan(
+      `▐${'▨'.repeat((completeness * 10) | 0).padEnd(10, '╌')}▌ `,
+    );
+    update();
+  };
+  function update() {
+    spinner.text = progress + kleur.bold(status) + getResultsText();
+  }
+  tracker.finish = (text) => {
+    spinner.succeed(kleur.bold(text) + getResultsText());
+  };
+  function getResultsText() {
+    let out = '';
+    for (const [filename, result] of results.entries()) {
+      out += `\n ${kleur.cyan(filename)}: ${prettyPrintSize(result.size)}`;
+      for (const { outputFile, outputSize, infoText } of result.outputs) {
+        const name = (program.suffix + extname(outputFile)).padEnd(5);
+        out += `\n  ${kleur.dim('└')} ${kleur.cyan(name)} → ${prettyPrintSize(
+          outputSize,
+        )}`;
+        const percent = ((outputSize / result.size) * 100).toPrecision(3);
+        out += ` (${kleur[outputSize > result.size ? 'red' : 'green'](
+          percent + '%',
+        )})`;
+        if (infoText) out += kleur.yellow(infoText);
+      }
+    }
+    return out || '\n';
+  }
+  spinner.start();
+  return tracker;
+}
+
+async function getInputFiles(paths) {
+  const validFiles = [];
+
+  for (const path of paths) {
+    const files = (await fsp.lstat(path)).isDirectory()
+      ? (await fsp.readdir(path)).map(file => join(path, file))
+      : [path];
+    for (const file of files) {
+      try {
+        await fsp.stat(file);
+      } catch (err) {
+        if (err.code === 'ENOENT') {
+          console.warn(
+            `Warning: Input file does not exist: ${resolvePath(file)}`,
+          );
+          continue;
+        } else {
+          throw err;
+        }
+      }
+
+      validFiles.push(file);
+    }
+  }
+
+  return validFiles;
+}
+
+async function processFiles(files) {
+  files = await getInputFiles(files);
+
+  const parallelism = cpus().length;
+
+  const results = new Map();
+  const progress = progressTracker(results);
+
+  progress.setStatus('Decoding...');
+  progress.totalOffset = files.length;
+  progress.setProgress(0, files.length);
+
+  const workerPool = new WorkerPool(parallelism, __filename);
+  // Create output directory
+  await fsp.mkdir(program.outputDir, { recursive: true });
+
+  let decoded = 0;
+  let decodedFiles = await Promise.all(
+    files.map(async (file) => {
+      const result = await workerPool.dispatchJob({
+        operation: 'decode',
+        file,
+      });
+      results.set(file, {
+        file: result.file,
+        size: result.size,
+        outputs: [],
+      });
+      progress.setProgress(++decoded, files.length);
+      return result;
+    }),
+  );
+
+  for (const [preprocessorName, value] of Object.entries(preprocessors)) {
+    if (!program[preprocessorName]) {
+      continue;
+    }
+    const preprocessorParam = program[preprocessorName];
+    const preprocessorOptions = Object.assign(
+      {},
+      value.defaultOptions,
+      JSON5.parse(preprocessorParam),
+    );
+
+    decodedFiles = await Promise.all(
+      decodedFiles.map(async (file) => {
+        return workerPool.dispatchJob({
+          file,
+          operation: 'preprocess',
+          preprocessorName,
+          options: preprocessorOptions,
+        });
+      }),
+    );
+  }
+
+  progress.progressOffset = decoded;
+  progress.setStatus('Encoding ' + kleur.dim(`(${parallelism} threads)`));
+  progress.setProgress(0, files.length);
+
+  const jobs = [];
+  let jobsStarted = 0;
+  let jobsFinished = 0;
+  for (const { file, bitmap, size } of decodedFiles) {
+    const ext = extname(file);
+    const base = basename(file, ext) + program.suffix;
+
+    for (const [encName, value] of Object.entries(supportedFormats)) {
+      if (!program[encName]) {
+        continue;
+      }
+      const encParam =
+        typeof program[encName] === 'string' ? program[encName] : '{}';
+      const encConfig =
+        encParam.toLowerCase() === 'auto'
+          ? 'auto'
+          : Object.assign(
+              {},
+              value.defaultEncoderOptions,
+              JSON5.parse(encParam),
+            );
+      const outputFile = join(program.outputDir, `${base}.${value.extension}`);
+      jobsStarted++;
+      const p = workerPool
+        .dispatchJob({
+          operation: 'encode',
+          file,
+          size,
+          bitmap,
+          outputFile,
+          encName,
+          encConfig,
+          optimizerButteraugliTarget: Number(
+            program.optimizerButteraugliTarget,
+          ),
+          maxOptimizerRounds: Number(program.maxOptimizerRounds),
+        })
+        .then((output) => {
+          jobsFinished++;
+          results.get(file).outputs.push(output);
+          progress.setProgress(jobsFinished, jobsStarted);
+        });
+      jobs.push(p);
+    }
+  }
+
+  // update the progress to account for multi-format
+  progress.setProgress(jobsFinished, jobsStarted);
+  // Wait for all jobs to finish
+  await workerPool.join();
+  await Promise.all(jobs);
+  progress.finish('Squoosh results:');
+}
+
+if (isMainThread) {
+  program
+    .name('squoosh-cli')
+    .version(version)
+    .arguments('<files...>')
+    .option('-d, --output-dir <dir>', 'Output directory', '.')
+    .option('-s, --suffix <suffix>', 'Append suffix to output files', '')
+    .option(
+      '--max-optimizer-rounds <rounds>',
+      'Maximum number of compressions to use for auto optimizations',
+      '6',
+    )
+    .option(
+      '--optimizer-butteraugli-target <butteraugli distance>',
+      'Target Butteraugli distance for auto optimizer',
+      '1.4',
+    )
+    .action(processFiles);
+
+  // Create a CLI option for each supported preprocessor
+  for (const [key, value] of Object.entries(preprocessors)) {
+    program.option(`--${key} [config]`, value.description);
+  }
+  // Create a CLI option for each supported encoder
+  for (const [key, value] of Object.entries(supportedFormats)) {
+    program.option(
+      `--${key} [config]`,
+      `Use ${value.name} to generate a .${value.extension} file with the given configuration`,
+    );
+  }
+
+  program.parse(process.argv);
+} else {
+  WorkerPool.useThisThreadAsWorker(handleJob);
+}

cli/src/worker_pool.js

@@ -0,0 +1,94 @@
+import { Worker, parentPort } from 'worker_threads';
+import { TransformStream } from 'web-streams-polyfill';
+
+function uuid() {
+  return Array.from({ length: 16 }, () =>
+    Math.floor(Math.random() * 256).toString(16),
+  ).join('');
+}
+
+function jobPromise(worker, msg) {
+  return new Promise((resolve) => {
+    const id = uuid();
+    worker.postMessage({ msg, id });
+    worker.on('message', function f({ result, id: rid }) {
+      if (rid !== id) {
+        return;
+      }
+      worker.off('message', f);
+      resolve(result);
+    });
+    worker.on('error', (error) => console.error('Worker error: ', error));
+  });
+}
+
+export default class WorkerPool {
+  constructor(numWorkers, workerFile) {
+    this.numWorkers = numWorkers;
+    this.jobQueue = new TransformStream();
+    this.workerQueue = new TransformStream();
+
+    const writer = this.workerQueue.writable.getWriter();
+    for (let i = 0; i < numWorkers; i++) {
+      writer.write(new Worker(workerFile));
+    }
+    writer.releaseLock();
+
+    this.done = this._readLoop();
+  }
+
+  async _readLoop() {
+    const reader = this.jobQueue.readable.getReader();
+    while (true) {
+      const { value, done } = await reader.read();
+      if (done) {
+        await this._terminateAll();
+        return;
+      }
+      const { msg, resolve } = value;
+      const worker = await this._nextWorker();
+      jobPromise(worker, msg).then((result) => {
+        resolve(result);
+        const writer = this.workerQueue.writable.getWriter();
+        writer.write(worker);
+        writer.releaseLock();
+      });
+    }
+  }
+
+  async _nextWorker() {
+    const reader = this.workerQueue.readable.getReader();
+    const { value, done } = await reader.read();
+    reader.releaseLock();
+    return value;
+  }
+
+  async _terminateAll() {
+    for (let n = 0; n < this.numWorkers; n++) {
+      const worker = await this._nextWorker();
+      worker.terminate();
+    }
+    this.workerQueue.writable.close();
+  }
+
+  async join() {
+    this.jobQueue.writable.getWriter().close();
+    await this.done;
+  }
+
+  dispatchJob(msg) {
+    return new Promise((resolve) => {
+      const writer = this.jobQueue.writable.getWriter();
+      writer.write({ msg, resolve });
+      writer.releaseLock();
+    });
+  }
+
+  static useThisThreadAsWorker(cb) {
+    parentPort.on('message', async (data) => {
+      const { msg, id } = data;
+      const result = await cb(msg);
+      parentPort.postMessage({ result, id });
+    });
+  }
+}

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/README.md

@@ -0,0 +1,16 @@
+# Codecs
+
+This folder contains a self-contained sub-project for each encoder and decoder that squoosh supplies.
+
+## Build
+
+Each subproject can be built using [Docker](https://www.docker.com/) the following commands:
+
+```
+$ npm install
+$ npm run build
+```
+
+This will build two files: `<codec name>_<enc or dec>.js` and `<codec name>_<enc or dec>.wasm`. It will most likely be necessary to set [`Module["locateFile"]`](https://kripken.github.io/emscripten-site/docs/api_reference/module.html#affecting-execution) to successfully load the `.wasm` file. When the `.js` file is loaded, a global `<codec name>_<enc or dec>` is created with the same API as an [Emscripten `Module`](https://kripken.github.io/emscripten-site/docs/api_reference/module.html).
+
+Each codec will document its API in its README.

codecs/avif/Makefile

@@ -0,0 +1,91 @@
+CODEC_URL = https://github.com/AOMediaCodec/libavif/archive/v0.9.0.tar.gz
+CODEC_PACKAGE = node_modules/libavif.tar.gz
+
+LIBAOM_URL = https://aomedia.googlesource.com/aom/+archive/v2.0.2.tar.gz
+LIBAOM_PACKAGE = node_modules/libaom.tar.gz
+
+export CODEC_DIR = node_modules/libavif
+export BUILD_DIR = node_modules/build
+export LIBAOM_DIR = node_modules/libaom
+
+OUT_ENC_JS = enc/avif_enc.js
+OUT_NODE_ENC_JS = enc/avif_node_enc.js
+OUT_ENC_MT_JS = enc/avif_enc_mt.js
+OUT_DEC_JS = dec/avif_dec.js
+OUT_NODE_DEC_JS = dec/avif_node_dec.js
+
+OUT_ENC_CPP = enc/avif_enc.cpp
+OUT_ENC_CPP = enc/avif_enc.cpp
+OUT_DEC_CPP = dec/avif_dec.cpp
+ENVIRONMENT = worker
+
+HELPER_MAKEFLAGS := -f helper.Makefile
+
+export CFLAGS+=-g
+export CXXFLAGS+=-g
+export LDFLAGS+=-g
+
+.PHONY: all clean
+
+all: $(OUT_ENC_JS) $(OUT_DEC_JS) $(OUT_ENC_MT_JS) $(OUT_NODE_ENC_JS) $(OUT_NODE_DEC_JS)
+
+$(OUT_NODE_ENC_JS): ENVIRONMENT=node
+$(OUT_NODE_ENC_JS) $(OUT_ENC_JS): $(OUT_ENC_CPP) $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_DIR)/CMakeLists.txt
+	$(MAKE) \
+		$(HELPER_MAKEFLAGS) \
+		OUT_JS=$@ \
+		OUT_CPP=$< \
+		LIBAOM_FLAGS="\
+			-DCONFIG_AV1_DECODER=0 \
+			-DCONFIG_MULTITHREAD=0 \
+			-DCONFIG_AV1_HIGHBITDEPTH=0 \
+		" \
+		ENVIRONMENT=$(ENVIRONMENT) \
+		LIBAVIF_FLAGS="-DAVIF_CODEC_AOM_DECODE=0"
+
+$(OUT_ENC_MT_JS): $(OUT_ENC_CPP) $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_DIR)/CMakeLists.txt
+	$(MAKE) \
+		$(HELPER_MAKEFLAGS) \
+		OUT_JS=$@ \
+		OUT_CPP=$< \
+		LIBAOM_FLAGS="\
+			-DCONFIG_AV1_DECODER=0 \
+			-DCONFIG_AV1_HIGHBITDEPTH=0 \
+		" \
+		ENVIRONMENT=$(ENVIRONMENT) \
+		LIBAVIF_FLAGS="-DAVIF_CODEC_AOM_DECODE=0" \
+		OUT_FLAGS="-pthread"
+
+$(OUT_NODE_DEC_JS): ENVIRONMENT=node
+$(OUT_NODE_DEC_JS) $(OUT_DEC_JS): $(OUT_DEC_CPP) $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_DIR)/CMakeLists.txt
+	$(MAKE) \
+		$(HELPER_MAKEFLAGS) \
+		OUT_JS=$@ \
+		OUT_CPP=$< \
+		LIBAOM_FLAGS="\
+			-DCONFIG_AV1_ENCODER=0 \
+			-DCONFIG_MULTITHREAD=0 \
+		" \
+		ENVIRONMENT=$(ENVIRONMENT) \
+		LIBAVIF_FLAGS="-DAVIF_CODEC_AOM_ENCODE=0"
+
+$(CODEC_PACKAGE):
+	mkdir -p $(@D)
+	curl -sL $(CODEC_URL) -o $@
+
+$(LIBAOM_PACKAGE):
+	mkdir -p $(@D)
+	curl -sL $(LIBAOM_URL) -o $@
+
+$(CODEC_DIR)/CMakeLists.txt: $(CODEC_PACKAGE)
+	mkdir -p $(@D)
+	tar xzm --strip 1 -C $(@D) -f $(CODEC_PACKAGE)
+
+$(LIBAOM_DIR)/CMakeLists.txt: $(LIBAOM_PACKAGE)
+	mkdir -p $(@D)
+	tar xzm -C $(@D) -f $(LIBAOM_PACKAGE)
+
+clean:
+	$(MAKE) $(HELPER_MAKEFLAGS) OUT_JS=$(OUT_ENC_JS) clean
+	$(MAKE) $(HELPER_MAKEFLAGS) OUT_JS=$(OUT_ENC_MT_JS) clean
+	$(MAKE) $(HELPER_MAKEFLAGS) OUT_JS=$(OUT_DEC_JS) clean

codecs/avif/dec/README.md

@@ -0,0 +1,14 @@
+# AVIF decoder
+
+- Source: <https://github.com/AOMediaCodec/libavif>
+- Version: v0.5.4
+
+## Example
+
+See `example.html`
+
+## API
+
+### `RawImage decode(std::string buffer)`
+
+Decodes the given avif buffer into raw RGBA. `RawImage` is a class with 3 fields: `buffer`, `width`, and `height`.

codecs/avif/dec/avif_dec.cpp

@@ -0,0 +1,48 @@
+#include <emscripten/bind.h>
+#include <emscripten/val.h>
+#include "avif/avif.h"
+
+using namespace emscripten;
+
+thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");
+thread_local const val ImageData = val::global("ImageData");
+
+val decode(std::string avifimage) {
+  avifImage* image = avifImageCreateEmpty();
+  avifDecoder* decoder = avifDecoderCreate();
+  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);
+
+  val result = val::null();
+
+  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.
+    rgb.depth = 8;  // Does not need to match image->depth. We always want 8-bit pixels.
+
+    avifRGBImageAllocatePixels(&rgb);
+    avifImageYUVToRGB(image, &rgb);
+
+    // 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);
+
+    // Now we can safely free the RGB pixels:
+    avifRGBImageFreePixels(&rgb);
+  }
+
+  // Image has been converted to RGB, we don't need the original anymore.
+  avifImageDestroy(image);
+
+  return result;
+}
+
+EMSCRIPTEN_BINDINGS(my_module) {
+  function("decode", &decode);
+}

codecs/avif/dec/avif_dec.d.ts

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

codecs/avif/enc/README.md

@@ -0,0 +1,37 @@
+# AVIF encoder
+
+- Source: <https://github.com/AOMediaCodec/libavif>
+- Version: v0.5.4
+
+## Example
+
+Run example.js
+
+## API
+
+### `Uint8Array encode(std::string image_in, int image_width, int image_height, AvifOptions opts)`
+
+Encodes the given image with given dimension to AVIF. Options looks like this:
+
+```c++
+struct AvifOptions {
+  // 0 = lossless
+  // 63 = worst quality
+  int minQuantizer;
+  int maxQuantizer;
+
+  // [0 - 6]
+  // Creates 2^n tiles in that dimension
+  int tileRowsLog2;
+  int tileColsLog2;
+
+  // 0 = slowest
+  // 10 = fastest
+  int speed;
+
+  // 0 = 4:2:0
+  // 1 = 4:2:2
+  // 2 = 4:4:4
+  int subsample;
+};
+```

codecs/avif/enc/avif_enc.cpp

@@ -0,0 +1,104 @@
+#include <emscripten/bind.h>
+#include <emscripten/threading.h>
+#include <emscripten/val.h>
+#include "avif/avif.h"
+
+using namespace emscripten;
+
+struct AvifOptions {
+  // [0 - 63]
+  // 0 = lossless
+  // 63 = worst quality
+  int minQuantizer;
+  int maxQuantizer;
+  int minQuantizerAlpha;
+  int maxQuantizerAlpha;
+  // [0 - 6]
+  // Creates 2^n tiles in that dimension
+  int tileRowsLog2;
+  int tileColsLog2;
+  // [0 - 10]
+  // 0 = slowest
+  // 10 = fastest
+  int speed;
+  // 0 = 4:0:0
+  // 1 = 4:2:0
+  // 2 = 4:2:2
+  // 3 = 4:4:4
+  int subsample;
+};
+
+thread_local const val Uint8Array = val::global("Uint8Array");
+
+val encode(std::string buffer, int width, int height, AvifOptions options) {
+  avifRWData output = AVIF_DATA_EMPTY;
+  int depth = 8;
+  avifPixelFormat format;
+  switch (options.subsample) {
+    case 0:
+      format = AVIF_PIXEL_FORMAT_YUV400;
+      break;
+    case 1:
+      format = AVIF_PIXEL_FORMAT_YUV420;
+      break;
+    case 2:
+      format = AVIF_PIXEL_FORMAT_YUV422;
+      break;
+    case 3:
+      format = AVIF_PIXEL_FORMAT_YUV444;
+      break;
+  }
+
+  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) {
+    image->matrixCoefficients = AVIF_MATRIX_COEFFICIENTS_IDENTITY;
+  } else {
+    image->matrixCoefficients = AVIF_MATRIX_COEFFICIENTS_BT709;
+  }
+
+  uint8_t* rgba = (uint8_t*)buffer.c_str();
+
+  avifRGBImage srcRGB;
+  avifRGBImageSetDefaults(&srcRGB, image);
+  srcRGB.pixels = rgba;
+  srcRGB.rowBytes = width * 4;
+  avifImageRGBToYUV(image, &srcRGB);
+
+  avifEncoder* encoder = avifEncoderCreate();
+  encoder->maxThreads = emscripten_num_logical_cores();
+  encoder->minQuantizer = options.minQuantizer;
+  encoder->maxQuantizer = options.maxQuantizer;
+  encoder->minQuantizerAlpha = options.minQuantizerAlpha;
+  encoder->maxQuantizerAlpha = options.maxQuantizerAlpha;
+  encoder->tileRowsLog2 = options.tileRowsLog2;
+  encoder->tileColsLog2 = options.tileColsLog2;
+  encoder->speed = options.speed;
+  avifResult encodeResult = avifEncoderWrite(encoder, image, &output);
+  auto js_result = val::null();
+  if (encodeResult == AVIF_RESULT_OK) {
+    js_result = Uint8Array.new_(typed_memory_view(output.size, output.data));
+  }
+
+  avifImageDestroy(image);
+  avifEncoderDestroy(encoder);
+  avifRWDataFree(&output);
+  return js_result;
+}
+
+EMSCRIPTEN_BINDINGS(my_module) {
+  value_object<AvifOptions>("AvifOptions")
+      .field("minQuantizer", &AvifOptions::minQuantizer)
+      .field("maxQuantizer", &AvifOptions::maxQuantizer)
+      .field("minQuantizerAlpha", &AvifOptions::minQuantizerAlpha)
+      .field("maxQuantizerAlpha", &AvifOptions::maxQuantizerAlpha)
+      .field("tileRowsLog2", &AvifOptions::tileRowsLog2)
+      .field("tileColsLog2", &AvifOptions::tileColsLog2)
+      .field("speed", &AvifOptions::speed)
+      .field("subsample", &AvifOptions::subsample);
+
+  function("encode", &encode);
+}

codecs/avif/enc/avif_enc.d.ts

@@ -0,0 +1,23 @@
+export interface EncodeOptions {
+  minQuantizer: number;
+  maxQuantizer: number;
+  minQuantizerAlpha: number;
+  maxQuantizerAlpha: number;
+  tileRowsLog2: number;
+  tileColsLog2: number;
+  speed: number;
+  subsample: number;
+}
+
+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 @@
+export { default } from './avif_enc';

codecs/avif/enc/avif_enc_mt.worker.js

@@ -0,0 +1,169 @@
+/**
+ * @license
+ * Copyright 2015 The Emscripten Authors
+ * SPDX-License-Identifier: MIT
+ */
+
+// Pthread Web Worker startup routine:
+// This is the entry point file that is loaded first by each Web Worker
+// that executes pthreads on the Emscripten application.
+
+// Thread-local:
+var threadInfoStruct = 0; // Info area for this thread in Emscripten HEAP (shared). If zero, this worker is not currently hosting an executing pthread.
+var selfThreadId = 0; // The ID of this thread. 0 if not hosting a pthread.
+var parentThreadId = 0; // The ID of the parent pthread that launched this thread.
+var initializedJS = false; // Guard variable for one-time init of the JS state (currently only embind types registration)
+
+var Module = {};
+
+function assert(condition, text) {
+  if (!condition) abort('Assertion failed: ' + text);
+}
+
+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});
+}
+// We don't need out() for now, but may need to add it if we want to use it
+// here. Or, if this code all moves into the main JS, that problem will go
+// away. (For now, adding it here increases code size for no benefit.)
+var out = function() {
+  throw 'out() is not defined in worker.js.';
+}
+var err = threadPrintErr;
+this.alert = threadAlert;
+
+Module['instantiateWasm'] = function(info, receiveInstance) {
+  // Instantiate from the module posted from the main thread.
+  // We can just use sync instantiation in the worker.
+  var instance = new WebAssembly.Instance(Module['wasmModule'], info);
+  // We don't need the module anymore; new threads will be spawned from the main thread.
+  Module['wasmModule'] = null;
+  receiveInstance(instance); // The second 'module' parameter is intentionally null here, we don't need to keep a ref to the Module object from here.
+  return instance.exports;
+};
+
+this.onmessage = function(e) {
+  try {
+    if (e.data.cmd === 'load') { // Preload command that is called once per worker to parse and load the Emscripten code.
+
+      // Module and memory were sent from main thread
+      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') {
+      // This worker was idle, and now should start executing its pthread entry
+      // point.
+      // performance.now() is specced to return a wallclock time in msecs since
+      // that Web Worker/main thread launched. However for pthreads this can
+      // cause subtle problems in emscripten_get_now() as this essentially
+      // would measure time from pthread_create(), meaning that the clocks
+      // between each threads would be wildly out of sync. Therefore sync all
+      // pthreads to the clock on the main browser thread, so that different
+      // threads see a somewhat coherent clock across each of them
+      // (+/- 0.1msecs in testing).
+      Module['__performance_now_clock_drift'] = performance.now() - e.data.time;
+      threadInfoStruct = e.data.threadInfoStruct;
+
+      // Pass the thread address inside the asm.js scope to store it for fast access that avoids the need for a FFI out.
+      Module['registerPthreadPtr'](threadInfoStruct, /*isMainBrowserThread=*/0, /*isMainRuntimeThread=*/0);
+
+      selfThreadId = e.data.selfThreadId;
+      parentThreadId = e.data.parentThreadId;
+      // Establish the stack frame for this thread in global scope
+      // The stack grows downwards
+      var max = e.data.stackBase;
+      var top = e.data.stackBase + e.data.stackSize;
+      assert(threadInfoStruct);
+      assert(selfThreadId);
+      assert(parentThreadId);
+      assert(top != 0);
+      assert(max != 0);
+      assert(top > max);
+      // Also call inside JS module to set up the stack frame for this pthread in JS module scope
+      Module['establishStackSpace'](top, max);
+      Module['_emscripten_tls_init']();
+      Module['writeStackCookie']();
+
+      Module['PThread'].receiveObjectTransfer(e.data);
+      Module['PThread'].setThreadStatus(Module['_pthread_self'](), 1/*EM_THREAD_STATUS_RUNNING*/);
+
+      // Embind must initialize itself on all threads, as it generates support JS.
+      // We only do this once per worker since they get reused
+      if (!initializedJS) {
+        Module['___embind_register_native_and_builtin_types']();
+        initializedJS = true;
+      }
+
+      try {
+        // pthread entry points are always of signature 'void *ThreadMain(void *arg)'
+        // Native codebases sometimes spawn threads with other thread entry point signatures,
+        // such as void ThreadMain(void *arg), void *ThreadMain(), or void ThreadMain().
+        // That is not acceptable per C/C++ specification, but x86 compiler ABI extensions
+        // enable that to work. If you find the following line to crash, either change the signature
+        // to "proper" void *ThreadMain(void *arg) form, or try linking with the Emscripten linker
+        // flag -s EMULATE_FUNCTION_POINTER_CASTS=1 to add in emulation for this x86 ABI extension.
+        var result = Module['dynCall']('ii', e.data.start_routine, [e.data.arg]);
+
+        Module['checkStackCookie']();
+        // The thread might have finished without calling pthread_exit(). If so, then perform the exit operation ourselves.
+        // (This is a no-op if explicit pthread_exit() had been called prior.)
+        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); // Mark the thread as no longer running.
+          if (typeof(Module['_emscripten_futex_wake']) !== "function") {
+            err("Thread Initialisation failed.");
+            throw ex;
+          }
+          Module['_emscripten_futex_wake'](threadInfoStruct + 0 /*C_STRUCTS.pthread.threadStatus*/, 0x7FFFFFFF/*INT_MAX*/); // Wake all threads waiting on this thread to finish.
+          if (!(ex instanceof Module['ExitStatus'])) throw ex;
+        } else {
+          // else e == 'unwind', and we should fall through here and keep the pthread alive for asynchronous events.
+          err('Pthread 0x' + threadInfoStruct.toString(16) + ' completed its pthread main entry point with an unwind, keeping the pthread worker alive for asynchronous operation.');
+        }
+      }
+    } else if (e.data.cmd === 'cancel') { // Main thread is asking for a pthread_cancel() on this thread.
+      if (threadInfoStruct) {
+        Module['PThread'].threadCancel();
+      }
+    } else if (e.data.target === 'setimmediate') {
+      // no-op
+    } else if (e.data.cmd === 'processThreadQueue') {
+      if (threadInfoStruct) { // If this thread is actually running?
+        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 +1,77 @@
+# 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)
+#   $(ENVIRONMENT)
+
+OUT_BUILD_DIR := $(BUILD_DIR)/$(basename $(OUT_JS))
+
+CODEC_BUILD_DIR := $(OUT_BUILD_DIR)/libavif
+CODEC_OUT := $(CODEC_BUILD_DIR)/libavif.a
+
+LIBAOM_BUILD_DIR := $(OUT_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) \
+		$(OUT_FLAGS) \
+		--bind \
+		-s ALLOW_MEMORY_GROWTH=1 \
+		-s MODULARIZE=1 \
+		-s TEXTDECODER=2 \
+		-s ENVIRONMENT=$(ENVIRONMENT) \
+		-s EXPORT_ES6=1 \
+		-s EXPORT_NAME="$(basename $(@F))" \
+		-o $@ \
+		$+
+
+$(CODEC_OUT): $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_OUT)
+	emcmake cmake \
+		-DCMAKE_BUILD_TYPE=RelWithDebInfo \
+		-DBUILD_SHARED_LIBS=0 \
+		-DAVIF_CODEC_AOM=1 \
+		-DAOM_LIBRARY=$(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=RelWithDebInfo \
+		-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/avif/package.json

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

codecs/build-cpp.sh

@@ -0,0 +1,3 @@
+#!/bin/sh -e
+docker build -t squoosh-cpp - < ../cpp.Dockerfile
+docker run -it --rm -v $PWD:/src squoosh-cpp "$@"

codecs/build-rust.sh

@@ -0,0 +1,10 @@
+set -e
+
+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 -it --rm -v $PWD:/src $IMG_NAME "$@"

codecs/cpp.Dockerfile

@@ -0,0 +1,9 @@
+FROM emscripten/emsdk:2.0.8
+RUN apt-get update && apt-get install -qqy autoconf libtool pkg-config
+ENV CFLAGS "-O3 -flto -s FILESYSTEM=0"
+ENV CXXFLAGS "${CFLAGS} -std=c++17"
+ENV LDFLAGS "${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
+CMD ["sh", "-c", "emmake make -j`nproc`"]

codecs/hqx/.gitignore

@@ -0,0 +1 @@
+/target

codecs/hqx/Cargo.lock

@@ -0,0 +1,286 @@
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+# It is not intended for manual editing.
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+ "wasm-bindgen",
+ "wasm-bindgen-test",
+ "wee_alloc",
+]
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+ "bumpalo",
+ "lazy_static",
+ "log",
+ "proc-macro2 1.0.19",
+ "quote 1.0.7",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
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+ "futures",
+ "js-sys",
+ "scoped-tls",
+ "wasm-bindgen",
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+ "winapi",
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+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
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codecs/hqx/Cargo.toml

@@ -0,0 +1,37 @@
+[package]
+name = "squooshhqx"
+version = "0.1.0"
+authors = ["Surma <surma@surma.link>"]
+
+[lib]
+crate-type = ["cdylib"]
+
+[features]
+default = ["console_error_panic_hook", "wee_alloc"]
+
+[dependencies]
+cfg-if = "0.1.2"
+wasm-bindgen = "0.2.38"
+# lazy_static = "1.0.0"
+hqx = {git = "https://github.com/CryZe/wasmboy-rs", tag="v0.1.3"}
+
+# The `console_error_panic_hook` crate provides better debugging of panics by
+# logging them with `console.error`. This is great for development, but requires
+# all the `std::fmt` and `std::panicking` infrastructure, so isn't great for
+# code size when deploying.
+console_error_panic_hook = { version = "0.1.1", optional = true }
+
+# `wee_alloc` is a tiny allocator for wasm that is only ~1K in code size
+# compared to the default allocator's ~10K. It is slower than the default
+# allocator, however.
+#
+# Unfortunately, `wee_alloc` requires nightly Rust when targeting wasm for now.
+wee_alloc = { version = "0.4.2", optional = true }
+
+[dev-dependencies]
+wasm-bindgen-test = "0.2"
+
+[profile.release]
+# Tell `rustc` to optimize for small code size.
+opt-level = "s"
+lto = true

codecs/hqx/LICENSE.codec.md

@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+   1. Definitions.
+
+      "License" shall mean the terms and conditions for use, reproduction,
+      and distribution as defined by Sections 1 through 9 of this document.
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+
+      "Legal Entity" shall mean the union of the acting entity and all
+      other entities that control, are controlled by, or are under common
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+      direction or management of such entity, whether by contract or
+      otherwise, or (ii) ownership of fifty percent (50%) or more of the
+      outstanding shares, or (iii) beneficial ownership of such entity.
+
+      "You" (or "Your") shall mean an individual or Legal Entity
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codecs/hqx/README.md

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

codecs/hqx/package-lock.json

@@ -0,0 +1,4 @@
+{
+  "name": "hqx",
+  "lockfileVersion": 1
+}

codecs/hqx/package.json

@@ -0,0 +1,6 @@
+{
+  "name": "hqx",
+  "scripts": {
+    "build": "../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/package.json

@@ -0,0 +1,15 @@
+{
+  "name": "squooshhqx",
+  "collaborators": [
+    "Surma <surma@surma.link>"
+  ],
+  "version": "0.1.0",
+  "files": [
+    "squooshhqx_bg.wasm",
+    "squooshhqx.js",
+    "squooshhqx.d.ts"
+  ],
+  "module": "squooshhqx.js",
+  "types": "squooshhqx.d.ts",
+  "sideEffects": false
+}

codecs/hqx/pkg/squooshhqx.d.ts

@@ -0,0 +1,30 @@
+/* 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;
+
+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_add_to_stack_pointer: (a: number) => number;
+  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

@@ -0,0 +1,108 @@
+
+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) {
+    try {
+        const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+        var ptr0 = passArray32ToWasm0(input_image, wasm.__wbindgen_malloc);
+        var len0 = WASM_VECTOR_LEN;
+        wasm.resize(retptr, ptr0, len0, input_width, input_height, factor);
+        var r0 = getInt32Memory0()[retptr / 4 + 0];
+        var r1 = getInt32Memory0()[retptr / 4 + 1];
+        var v1 = getArrayU32FromWasm0(r0, r1).slice();
+        wasm.__wbindgen_free(r0, r1 * 4);
+        return v1;
+    } finally {
+        wasm.__wbindgen_add_to_stack_pointer(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 = new URL('squooshhqx_bg.wasm', import.meta.url);
+    }
+    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/src/lib.rs

@@ -0,0 +1,55 @@
+extern crate cfg_if;
+extern crate hqx;
+extern crate wasm_bindgen;
+
+mod utils;
+
+use cfg_if::cfg_if;
+use wasm_bindgen::prelude::*;
+
+cfg_if! {
+    // When the `wee_alloc` feature is enabled, use `wee_alloc` as the global
+    // allocator.
+    if #[cfg(feature = "wee_alloc")] {
+        extern crate wee_alloc;
+        #[global_allocator]
+        static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
+    }
+}
+
+#[wasm_bindgen]
+#[no_mangle]
+pub fn resize(
+    input_image: Vec<u32>,
+    input_width: usize,
+    input_height: usize,
+    factor: usize,
+) -> Vec<u32> {
+    let num_output_pixels = input_width * input_height * factor * factor;
+    let mut output_image = Vec::<u32>::with_capacity(num_output_pixels * 4);
+    output_image.resize(num_output_pixels, 0);
+
+    match factor {
+        2 => hqx::hq2x(
+            input_image.as_slice(),
+            output_image.as_mut_slice(),
+            input_width,
+            input_height,
+        ),
+        3 => hqx::hq3x(
+            input_image.as_slice(),
+            output_image.as_mut_slice(),
+            input_width,
+            input_height,
+        ),
+        4 => hqx::hq4x(
+            input_image.as_slice(),
+            output_image.as_mut_slice(),
+            input_width,
+            input_height,
+        ),
+        _ => unreachable!(),
+    };
+
+    return output_image;
+}

codecs/hqx/src/utils.rs

@@ -0,0 +1,17 @@
+use cfg_if::cfg_if;
+
+cfg_if! {
+    // When the `console_error_panic_hook` feature is enabled, we can call the
+    // `set_panic_hook` function at least once during initialization, and then
+    // we will get better error messages if our code ever panics.
+    //
+    // For more details see
+    // https://github.com/rustwasm/console_error_panic_hook#readme
+    if #[cfg(feature = "console_error_panic_hook")] {
+        extern crate console_error_panic_hook;
+        pub use self::console_error_panic_hook::set_once as set_panic_hook;
+    } else {
+        #[inline]
+        pub fn set_panic_hook() {}
+    }
+}

codecs/imagequant/LICENSE.codec.md

@@ -0,0 +1,641 @@
+
+libimagequant is derived from code by Jef Poskanzer and Greg Roelofs
+licensed under pngquant's original license (at the end of this file),
+and contains extensive changes and additions by Kornel Lesiński
+licensed under GPL v3 or later.
+
+- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
+
+libimagequant © 2009-2018 by Kornel Lesiński.
+
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
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+software and other kinds of works.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+the GNU General Public License is intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.  We, the Free Software Foundation, use the
+GNU General Public License for most of our software; it applies also to
+any other work released this way by its authors.  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
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+
+  To protect your rights, we need to prevent others from denying you
+these rights or asking you to surrender the rights.  Therefore, you have
+certain responsibilities if you distribute copies of the software, or if
+you modify it: responsibilities to respect the freedom of others.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must pass on to the recipients the same
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+know their rights.
+
+  Developers that use the GNU GPL protect your rights with two steps:
+(1) assert copyright on the software, and (2) offer you this License
+giving you legal permission to copy, distribute and/or modify it.
+
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+that there is no warranty for this free software.  For both users' and
+authors' sake, the GPL requires that modified versions be marked as
+changed, so that their problems will not be attributed erroneously to
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+
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+implied warranty.

codecs/imagequant/Makefile

@@ -0,0 +1,45 @@
+CODEC_URL := https://github.com/ImageOptim/libimagequant/archive/2.12.1.tar.gz
+CODEC_DIR := node_modules/libimagequant
+CODEC_OUT_RELATIVE := libimagequant.a
+CODEC_OUT := $(addprefix $(CODEC_DIR)/, $(CODEC_OUT_RELATIVE))
+OUT_JS := imagequant.js imagequant_node.js
+OUT_WASM := $(OUT_JS:.js=.wasm)
+ENVIRONMENT = worker
+
+.PHONY: all clean
+
+all: $(OUT_JS)
+
+imagequant_node.js: ENVIRONMENT=node
+$(OUT_JS): $(CODEC_OUT)
+	$(CXX) \
+		-I $(CODEC_DIR) \
+		${CXXFLAGS} \
+		${LDFLAGS} \
+		--bind \
+		--closure 1 \
+		-s ALLOW_MEMORY_GROWTH=1 \
+		-s MODULARIZE=1 \
+		-s TEXTDECODER=2 \
+		-s ENVIRONMENT=$(ENVIRONMENT) \
+		-s EXPORT_ES6=1 \
+		-o $@ \
+		$+ \
+		imagequant.cpp
+
+$(CODEC_OUT): $(CODEC_DIR)/config.mk
+	$(MAKE) -C $(CODEC_DIR) $(CODEC_OUT_RELATIVE)
+
+$(CODEC_DIR)/config.mk: $(CODEC_DIR)/configure
+	cd $(CODEC_DIR) && ./configure \
+		--disable-sse
+
+$(CODEC_DIR)/configure: $(CODEC_DIR)
+
+$(CODEC_DIR):
+	mkdir -p $@
+	curl -sL $(CODEC_URL) | tar xz --strip 1 -C $@
+
+clean:
+	$(RM) $(OUT_JS) $(OUT_WASM)
+	$(MAKE) -C $(CODEC_DIR) clean

codecs/imagequant/README.md

@@ -0,0 +1,27 @@
+# ImageQuant
+
+- Source: <https://github.com/ImageOptim/libimagequant>
+- Version: v2.12.1
+- License: GPL3
+
+## Dependencies
+
+- Docker
+
+## Example
+
+See `example.html`
+
+## API
+
+### `int version()`
+
+Returns the version of libimagequant as a number. va.b.c is encoded as 0x0a0b0c
+
+### `RawImage quantize(std::string buffer, int image_width, int image_height, int numColors, float dithering)`
+
+Quantizes the given images, using at most `numColors`, a value between 2 and 256. `dithering` is a value between 0 and 1 controlling the amount of dithering. `RawImage` is a class with 3 fields: `buffer`, `width`, and `height`.
+
+### `RawImage zx_quantize(std::string buffer, int image_width, int image_height, float dithering)`
+
+???

codecs/imagequant/example.html

@@ -0,0 +1,52 @@
+<!DOCTYPE html>
+<style>
+  canvas {
+    image-rendering: pixelated;
+  }
+</style>
+<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));
+    // Make canvas same size as image
+    const canvas = document.createElement('canvas');
+    [canvas.width, canvas.height] = [img.width, img.height];
+    // Draw image onto canvas
+    const ctx = canvas.getContext('2d');
+    ctx.drawImage(img, 0, 0);
+    return ctx.getImageData(0, 0, img.width, img.height);
+  }
+
+  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,
+    );
+    console.log('done');
+
+    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.cpp

@@ -0,0 +1,216 @@
+#include <emscripten/bind.h>
+#include <emscripten/val.h>
+#include <inttypes.h>
+#include <limits.h>
+#include <math.h>
+#include <stdlib.h>
+
+#include "libimagequant.h"
+
+using namespace emscripten;
+
+int version() {
+  return (((LIQ_VERSION / 10000) % 100) << 16) | (((LIQ_VERSION / 100) % 100) << 8) |
+         (((LIQ_VERSION / 1) % 100) << 0);
+}
+
+thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");
+
+#define liq_ptr(T) std::unique_ptr<T, std::integral_constant<decltype(&T##_destroy), T##_destroy>>
+
+using liq_attr_ptr = liq_ptr(liq_attr);
+using liq_image_ptr = liq_ptr(liq_image);
+using liq_result_ptr = liq_ptr(liq_result);
+
+liq_result_ptr liq_image_quantize(liq_image* image, liq_attr* attr) {
+  liq_result* res = nullptr;
+  liq_image_quantize(image, attr, &res);
+  return liq_result_ptr(res);
+}
+
+val quantize(std::string rawimage,
+             int image_width,
+             int image_height,
+             int num_colors,
+             float dithering) {
+  auto image_buffer = (const liq_color*)rawimage.c_str();
+  int size = image_width * image_height;
+  liq_attr_ptr attr(liq_attr_create());
+  liq_image_ptr image(
+      liq_image_create_rgba(attr.get(), image_buffer, image_width, image_height, 0));
+  liq_set_max_colors(attr.get(), num_colors);
+  auto res = liq_image_quantize(image.get(), attr.get());
+  liq_set_dithering_level(res.get(), dithering);
+  std::vector<uint8_t> image8bit(size);
+  std::vector<liq_color> result(size);
+  liq_write_remapped_image(res.get(), image.get(), image8bit.data(), image8bit.size());
+  auto pal = liq_get_palette(res.get());
+  // Turn palletted image back into an RGBA image
+  for (int i = 0; i < size; i++) {
+    result[i] = pal->entries[image8bit[i]];
+  }
+  return Uint8ClampedArray.new_(
+      typed_memory_view(result.size() * sizeof(liq_color), (const uint8_t*)result.data()));
+}
+
+const liq_color zx_colors[] = {
+    {.r = 0, .g = 0, .b = 0, .a = 255},        // regular black
+    {.r = 0, .g = 0, .b = 215, .a = 255},      // regular blue
+    {.r = 215, .g = 0, .b = 0, .a = 255},      // regular red
+    {.r = 215, .g = 0, .b = 215, .a = 255},    // regular magenta
+    {.r = 0, .g = 215, .b = 0, .a = 255},      // regular green
+    {.r = 0, .g = 215, .b = 215, .a = 255},    // regular cyan
+    {.r = 215, .g = 215, .b = 0, .a = 255},    // regular yellow
+    {.r = 215, .g = 215, .b = 215, .a = 255},  // regular white
+    {.r = 0, .g = 0, .b = 255, .a = 255},      // bright blue
+    {.r = 255, .g = 0, .b = 0, .a = 255},      // bright red
+    {.r = 255, .g = 0, .b = 255, .a = 255},    // bright magenta
+    {.r = 0, .g = 255, .b = 0, .a = 255},      // bright green
+    {.r = 0, .g = 255, .b = 255, .a = 255},    // bright cyan
+    {.r = 255, .g = 255, .b = 0, .a = 255},    // bright yellow
+    {.r = 255, .g = 255, .b = 255, .a = 255}   // bright white
+};
+
+/**
+ * The ZX has one bit per pixel, but can assign two colours to an 8x8 block. The
+ * two colours must both be 'regular' or 'bright'. Black exists as both regular
+ * and bright.
+ */
+val zx_quantize(std::string rawimage, int image_width, int image_height, float dithering) {
+  auto image_buffer = (const liq_color*)rawimage.c_str();
+  int size = image_width * image_height;
+  liq_color block[8 * 8];
+  uint8_t image8bit[8 * 8];
+  std::vector<liq_color> result(size);
+
+  // For each 8x8 grid
+  for (int block_start_y = 0; block_start_y < image_height; block_start_y += 8) {
+    for (int block_start_x = 0; block_start_x < image_width; block_start_x += 8) {
+      int color_popularity[15] = {0};
+      int block_index = 0;
+      int block_width = 8;
+      int block_height = 8;
+
+      // If the block hangs off the right/bottom of the image dimensions, make
+      // it smaller to fit.
+      if (block_start_y + block_height > image_height) {
+        block_height = image_height - block_start_y;
+      }
+
+      if (block_start_x + block_width > image_width) {
+        block_width = image_width - block_start_x;
+      }
+
+      // For each pixel in that block:
+      for (int y = block_start_y; y < block_start_y + block_height; y++) {
+        for (int x = block_start_x; x < block_start_x + block_width; x++) {
+          int pixel_start = (y * image_width) + x;
+          int smallest_distance = INT_MAX;
+          int winning_index = -1;
+
+          // Copy pixel data for quantizing later
+          block[block_index++] = image_buffer[pixel_start];
+
+          // Which zx color is this pixel closest to?
+          for (int color_index = 0; color_index < 15; color_index++) {
+            liq_color color = zx_colors[color_index];
+            liq_color pixel = image_buffer[pixel_start];
+
+            // Using Euclidean distance. LibQuant has better methods, but it
+            // requires conversion to LAB, so I don't think it's worth it.
+            int distance =
+                pow(color.r - pixel.r, 2) + pow(color.g - pixel.g, 2) + pow(color.b - pixel.b, 2);
+
+            if (distance < smallest_distance) {
+              winning_index = color_index;
+              smallest_distance = distance;
+            }
+          }
+          color_popularity[winning_index]++;
+        }
+      }
+
+      // Get the three most popular colours for the block.
+      int first_color_index = 0;
+      int second_color_index = 0;
+      int third_color_index = 0;
+      int highest_popularity = -1;
+      int second_highest_popularity = -1;
+      int third_highest_popularity = -1;
+
+      for (int color_index = 0; color_index < 15; color_index++) {
+        if (color_popularity[color_index] > highest_popularity) {
+          // Store this as the most popular pixel, and demote the current
+          // values:
+          third_color_index = second_color_index;
+          third_highest_popularity = second_highest_popularity;
+          second_color_index = first_color_index;
+          second_highest_popularity = highest_popularity;
+          first_color_index = color_index;
+          highest_popularity = color_popularity[color_index];
+        } else if (color_popularity[color_index] > second_highest_popularity) {
+          third_color_index = second_color_index;
+          third_highest_popularity = second_highest_popularity;
+          second_color_index = color_index;
+          second_highest_popularity = color_popularity[color_index];
+        } else if (color_popularity[color_index] > third_highest_popularity) {
+          third_color_index = color_index;
+          third_highest_popularity = color_popularity[color_index];
+        }
+      }
+
+      // ZX images can't mix bright and regular colours, except black which
+      // appears in both. Resolve any conflict:
+      while (1) {
+        // If either colour is black, there's no conflict to resolve.
+        if (first_color_index != 0 && second_color_index != 0) {
+          if (first_color_index >= 8 && second_color_index < 8) {
+            // Make the second color bright
+            second_color_index = second_color_index + 7;
+          } else if (first_color_index < 8 && second_color_index >= 8) {
+            // Make the second color regular
+            second_color_index = second_color_index - 7;
+          }
+        }
+
+        // If, during conflict resolving, we now have two of the same colour
+        // (because we initially selected the bright & regular version of the
+        // same colour), retry again with the third most popular colour.
+        if (first_color_index == second_color_index) {
+          second_color_index = third_color_index;
+        } else
+          break;
+      }
+
+      // Quantize
+      liq_attr_ptr attr(liq_attr_create());
+      liq_image_ptr image(liq_image_create_rgba(attr.get(), block, block_width, block_height, 0));
+      liq_set_max_colors(attr.get(), 2);
+      liq_image_add_fixed_color(image.get(), zx_colors[first_color_index]);
+      liq_image_add_fixed_color(image.get(), zx_colors[second_color_index]);
+      auto res = liq_image_quantize(image.get(), attr.get());
+      liq_set_dithering_level(res.get(), dithering);
+      liq_write_remapped_image(res.get(), image.get(), image8bit, size);
+      auto pal = liq_get_palette(res.get());
+
+      // Turn palletted image back into an RGBA image, and write it into the
+      // full size result image.
+      for (int y = 0; y < block_height; y++) {
+        for (int x = 0; x < block_width; x++) {
+          int image8BitPos = y * block_width + x;
+          int resultStartPos = ((block_start_y + y) * image_width) + (block_start_x + x);
+          result[resultStartPos] = pal->entries[image8bit[image8BitPos]];
+        }
+      }
+    }
+  }
+
+  return Uint8ClampedArray.new_(
+      typed_memory_view(result.size() * sizeof(liq_color), (const uint8_t*)result.data()));
+}
+
+EMSCRIPTEN_BINDINGS(my_module) {
+  function("quantize", &quantize);
+  function("zx_quantize", &zx_quantize);
+  function("version", &version);
+}

codecs/imagequant/imagequant.d.ts

@@ -0,0 +1,19 @@
+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;
+}
+
+declare var moduleFactory: EmscriptenWasm.ModuleFactory<QuantizerModule>;
+
+export default moduleFactory;

codecs/imagequant/imagequant.js

@@ -0,0 +1,57 @@
+
+var Module = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(Module) {
+  Module = Module || {};
+
+
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+function Ra(a,b){switch(b){case 2:return function(c){return this.fromWireType(pa[c>>2])};case 3:return function(c){return this.fromWireType(qa[c>>3])};default:throw new TypeError("Unknown float type: "+a);}}function Sa(a){var b=Function;if(!(b instanceof Function))throw new TypeError("new_ called with constructor type "+typeof b+" which is not a function");var c=Ga(b.name||"unknownFunctionName",function(){});c.prototype=b.prototype;c=new c;a=b.apply(c,a);return a instanceof Object?a:c}
+function Ta(a){for(;a.length;){var b=a.pop();a.pop()(b)}}function Ua(a,b){var c=e;if(void 0===c[a].D){var d=c[a];c[a]=function(){c[a].D.hasOwnProperty(arguments.length)||T("Function '"+b+"' called with an invalid number of arguments ("+arguments.length+") - expects one of ("+c[a].D+")!");return c[a].D[arguments.length].apply(this,arguments)};c[a].D=[];c[a].D[d.I]=d}}
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+function Xa(a,b){0<=a.indexOf("j")||z("Assertion failed: getDynCaller should only be called with i64 sigs");var c=[];return function(){c.length=arguments.length;for(var d=0;d<arguments.length;d++)c[d]=arguments[d];var f;-1!=a.indexOf("j")?f=c&&c.length?e["dynCall_"+a].apply(null,[b].concat(c)):e["dynCall_"+a].call(null,b):f=J.get(b).apply(null,c);return f}}
+function Ya(a,b){a=P(a);var c=-1!=a.indexOf("j")?Xa(a,b):J.get(b);"function"!==typeof c&&T("unknown function pointer with signature "+a+": "+b);return c}var Za=void 0;function $a(a){a=ab(a);var b=P(a);X(a);return b}function bb(a,b){function c(g){f[g]||R[g]||(S[g]?S[g].forEach(c):(d.push(g),f[g]=!0))}var d=[],f={};b.forEach(c);throw new Za(a+": "+d.map($a).join([", "]));}
+function cb(a,b,c){switch(b){case 0:return c?function(d){return oa[d]}:function(d){return B[d]};case 1:return c?function(d){return E[d>>1]}:function(d){return D[d>>1]};case 2:return c?function(d){return F[d>>2]}:function(d){return H[d>>2]};default:throw new TypeError("Unknown integer type: "+a);}}var db={};function eb(){return"object"===typeof globalThis?globalThis:Function("return this")()}function fb(a,b){var c=R[a];void 0===c&&T(b+" has unknown type "+$a(a));return c}
+for(var gb={},hb=[null,[],[]],ib=Array(256),Y=0;256>Y;++Y)ib[Y]=String.fromCharCode(Y);Ea=ib;Ia=e.BindingError=Ha("BindingError");Ja=e.InternalError=Ha("InternalError");e.count_emval_handles=function(){for(var a=0,b=5;b<V.length;++b)void 0!==V[b]&&++a;return a};e.get_first_emval=function(){for(var a=5;a<V.length;++a)if(void 0!==V[a])return V[a];return null};Za=e.UnboundTypeError=Ha("UnboundTypeError");ua.push({J:function(){jb()}});
+var lb={o:function(){},p:function(a,b,c,d,f){var g=Da(c);b=P(b);U(a,{name:b,fromWireType:function(l){return!!l},toWireType:function(l,h){return h?d:f},argPackAdvance:8,readValueFromPointer:function(l){if(1===c)var h=oa;else if(2===c)h=E;else if(4===c)h=F;else throw new TypeError("Unknown boolean type size: "+b);return this.fromWireType(h[l>>g])},F:null})},v:function(a,b){b=P(b);U(a,{name:b,fromWireType:function(c){var d=V[c].value;Oa(c);return d},toWireType:function(c,d){return W(d)},argPackAdvance:8,
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+f,q=h.length;2>q&&T("argTypes array size mismatch! Must at least get return value and 'this' types!");for(var x=null!==h[1]&&!1,C=!1,n=1;n<h.length;++n)if(null!==h[n]&&void 0===h[n].F){C=!0;break}var La="void"!==h[0].name,I="",M="";for(n=0;n<q-2;++n)I+=(0!==n?", ":"")+"arg"+n,M+=(0!==n?", ":"")+"arg"+n+"Wired";k="return function "+Fa(k)+"("+I+") {\nif (arguments.length !== "+(q-2)+") {\nthrowBindingError('function "+k+" called with ' + arguments.length + ' arguments, expected "+(q-2)+" args!');\n}\n";
+C&&(k+="var destructors = [];\n");var Ma=C?"destructors":"null";I="throwBindingError invoker fn runDestructors retType classParam".split(" ");m=[T,m,g,Ta,h[0],h[1]];x&&(k+="var thisWired = classParam.toWireType("+Ma+", this);\n");for(n=0;n<q-2;++n)k+="var arg"+n+"Wired = argType"+n+".toWireType("+Ma+", arg"+n+"); // "+h[n+2].name+"\n",I.push("argType"+n),m.push(h[n+2]);x&&(M="thisWired"+(0<M.length?", ":"")+M);k+=(La?"var rv = ":"")+"invoker(fn"+(0<M.length?", ":"")+M+");\n";if(C)k+="runDestructors(destructors);\n";
+else for(n=x?1:2;n<h.length;++n)q=1===n?"thisWired":"arg"+(n-2)+"Wired",null!==h[n].F&&(k+=q+"_dtor("+q+"); // "+h[n].name+"\n",I.push(q+"_dtor"),m.push(h[n].F));La&&(k+="var ret = retType.fromWireType(rv);\nreturn ret;\n");I.push(k+"}\n");h=Sa(I).apply(null,m);n=b-1;if(!e.hasOwnProperty(p))throw new Ja("Replacing nonexistant public symbol");void 0!==e[p].D&&void 0!==n?e[p].D[n]=h:(e[p]=h,e[p].I=n);return[]})},c:function(a,b,c,d,f){function g(k){return k}b=P(b);-1===f&&(f=4294967295);var l=Da(c);
+if(0===d){var h=32-8*c;g=function(k){return k<<h>>>h}}var p=-1!=b.indexOf("unsigned");U(a,{name:b,fromWireType:g,toWireType:function(k,m){if("number"!==typeof m&&"boolean"!==typeof m)throw new TypeError('Cannot convert "'+Qa(m)+'" to '+this.name);if(m<d||m>f)throw new TypeError('Passing a number "'+Qa(m)+'" from JS side to C/C++ side to an argument of type "'+b+'", which is outside the valid range ['+d+", "+f+"]!");return p?m>>>0:m|0},argPackAdvance:8,readValueFromPointer:cb(b,l,0!==d),F:null})},
+b:function(a,b,c){function d(g){g>>=2;var l=H;return new f(G,l[g+1],l[g])}var f=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array][b];c=P(c);U(a,{name:c,fromWireType:d,argPackAdvance:8,readValueFromPointer:d},{K:!0})},i:function(a,b){b=P(b);var c="std::string"===b;U(a,{name:b,fromWireType:function(d){var f=H[d>>2];if(c)for(var g=d+4,l=0;l<=f;++l){var h=d+4+l;if(l==f||0==B[h]){if(g){for(var p=g+(h-g),k=g;!(k>=p)&&B[k];)++k;g=ea.decode(B.subarray(g,k))}else g=
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+var h=1}else 4===b&&(d=la,f=ma,g=na,l=function(){return H},h=2);U(a,{name:c,fromWireType:function(p){for(var k=H[p>>2],m=l(),q,x=p+4,C=0;C<=k;++C){var n=p+4+C*b;if(C==k||0==m[n>>h])x=d(x,n-x),void 0===q?q=x:(q+=String.fromCharCode(0),q+=x),x=n+b}X(p);return q},toWireType:function(p,k){"string"!==typeof k&&T("Cannot pass non-string to C++ string type "+c);var m=g(k),q=kb(4+m+b);H[q>>2]=m>>h;f(k,q+4,m+b);null!==p&&p.push(X,q);return q},argPackAdvance:8,readValueFromPointer:Pa,F:function(p){X(p)}})},
+q:function(a,b){b=P(b);U(a,{L:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},f:Oa,l:function(a){if(0===a)return W(eb());var b=db[a];a=void 0===b?P(a):b;return W(eb()[a])},j:function(a){4<a&&(V[a].H+=1)},k:function(a,b,c,d){a||T("Cannot use deleted val. handle = "+a);a=V[a].value;var f=gb[b];if(!f){f="";for(var g=0;g<b;++g)f+=(0!==g?", ":"")+"arg"+g;var l="return function emval_allocator_"+b+"(constructor, argTypes, args) {\n";for(g=0;g<b;++g)l+="var argType"+g+" = requireRegisteredType(Module['HEAP32'][(argTypes >>> 2) + "+
+g+'], "parameter '+g+'");\nvar arg'+g+" = argType"+g+".readValueFromPointer(args);\nargs += argType"+g+"['argPackAdvance'];\n";f=(new Function("requireRegisteredType","Module","__emval_register",l+("var obj = new constructor("+f+");\nreturn __emval_register(obj);\n}\n")))(fb,e,W);gb[b]=f}return f(a,c,d)},h:function(){z()},t:function(a,b,c){B.copyWithin(a,b,b+c)},d:function(a){a>>>=0;var b=B.length;if(2147483648<a)return!1;for(var c=1;4>=c;c*=2){var d=b*(1+.2/c);d=Math.min(d,a+100663296);d=Math.max(16777216,
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+a:A,s:function(){}};
+(function(){function a(f){e.asm=f.exports;J=e.asm.w;K--;e.monitorRunDependencies&&e.monitorRunDependencies(K);0==K&&(null!==ya&&(clearInterval(ya),ya=null),L&&(f=L,L=null,f()))}function b(f){a(f.instance)}function c(f){return Ca().then(function(g){return WebAssembly.instantiate(g,d)}).then(f,function(g){w("failed to asynchronously prepare wasm: "+g);z(g)})}var d={a:lb};K++;e.monitorRunDependencies&&e.monitorRunDependencies(K);if(e.instantiateWasm)try{return e.instantiateWasm(d,a)}catch(f){return w("Module.instantiateWasm callback failed with error: "+
+f),!1}(function(){return y||"function"!==typeof WebAssembly.instantiateStreaming||za()||"function"!==typeof fetch?c(b):fetch(N,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,d).then(b,function(g){w("wasm streaming compile failed: "+g);w("falling back to ArrayBuffer instantiation");return c(b)})})})().catch(r);return{}})();
+var jb=e.___wasm_call_ctors=function(){return(jb=e.___wasm_call_ctors=e.asm.x).apply(null,arguments)},kb=e._malloc=function(){return(kb=e._malloc=e.asm.y).apply(null,arguments)},X=e._free=function(){return(X=e._free=e.asm.z).apply(null,arguments)},ab=e.___getTypeName=function(){return(ab=e.___getTypeName=e.asm.A).apply(null,arguments)};e.___embind_register_native_and_builtin_types=function(){return(e.___embind_register_native_and_builtin_types=e.asm.B).apply(null,arguments)};
+e.dynCall_jiji=function(){return(e.dynCall_jiji=e.asm.C).apply(null,arguments)};var Z;L=function mb(){Z||nb();Z||(L=mb)};
+function nb(){function a(){if(!Z&&(Z=!0,e.calledRun=!0,!da)){O(ua);O(va);aa(e);if(e.onRuntimeInitialized)e.onRuntimeInitialized();if(e.postRun)for("function"==typeof e.postRun&&(e.postRun=[e.postRun]);e.postRun.length;){var b=e.postRun.shift();wa.unshift(b)}O(wa)}}if(!(0<K)){if(e.preRun)for("function"==typeof e.preRun&&(e.preRun=[e.preRun]);e.preRun.length;)xa();O(ta);0<K||(e.setStatus?(e.setStatus("Running..."),setTimeout(function(){setTimeout(function(){e.setStatus("")},1);a()},1)):a())}}
+e.run=nb;if(e.preInit)for("function"==typeof e.preInit&&(e.preInit=[e.preInit]);0<e.preInit.length;)e.preInit.pop()();noExitRuntime=!0;nb();
+
+
+  return Module.ready
+}
+);
+})();
+export default Module;

codecs/imagequant/imagequant_node.js

@@ -0,0 +1,56 @@
+
+var Module = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(Module) {
+  Module = Module || {};
+
+
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+var lb=e.___wasm_call_ctors=function(){return(lb=e.___wasm_call_ctors=e.asm.x).apply(null,arguments)},mb=e._malloc=function(){return(mb=e._malloc=e.asm.y).apply(null,arguments)},X=e._free=function(){return(X=e._free=e.asm.z).apply(null,arguments)},cb=e.___getTypeName=function(){return(cb=e.___getTypeName=e.asm.A).apply(null,arguments)};e.___embind_register_native_and_builtin_types=function(){return(e.___embind_register_native_and_builtin_types=e.asm.B).apply(null,arguments)};
+e.dynCall_jiji=function(){return(e.dynCall_jiji=e.asm.C).apply(null,arguments)};var Z;M=function ob(){Z||pb();Z||(M=ob)};
+function pb(){function a(){if(!Z&&(Z=!0,e.calledRun=!0,!ha)){O(xa);O(ya);aa(e);if(e.onRuntimeInitialized)e.onRuntimeInitialized();if(e.postRun)for("function"==typeof e.postRun&&(e.postRun=[e.postRun]);e.postRun.length;){var b=e.postRun.shift();za.unshift(b)}O(za)}}if(!(0<K)){if(e.preRun)for("function"==typeof e.preRun&&(e.preRun=[e.preRun]);e.preRun.length;)Aa();O(wa);0<K||(e.setStatus?(e.setStatus("Running..."),setTimeout(function(){setTimeout(function(){e.setStatus("")},1);a()},1)):a())}}
+e.run=pb;if(e.preInit)for("function"==typeof e.preInit&&(e.preInit=[e.preInit]);0<e.preInit.length;)e.preInit.pop()();noExitRuntime=!0;pb();
+
+
+  return Module.ready
+}
+);
+})();
+export default Module;

codecs/imagequant/package-lock.json

@@ -0,0 +1,4 @@
+{
+  "name": "imagequant",
+  "lockfileVersion": 1
+}

codecs/imagequant/package.json

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

codecs/jxl/Makefile

@@ -0,0 +1,90 @@
+CODEC_URL = https://gitlab.com/wg1/jpeg-xl.git
+CODEC_VERSION = 5175d11717f3c48cf506a2c0e0afb070392ae296
+CODEC_DIR = node_modules/jxl
+CODEC_BUILD_ROOT := $(CODEC_DIR)/build
+CODEC_MT_BUILD_DIR := $(CODEC_BUILD_ROOT)/mt
+CODEC_MT_SIMD_BUILD_DIR := $(CODEC_BUILD_ROOT)/mt-simd
+ENVIRONMENT = worker
+
+OUT_JS = enc/jxl_enc.js enc/jxl_enc_mt.js enc/jxl_enc_mt_simd.js dec/jxl_dec.js enc/jxl_node_enc.js dec/jxl_node_dec.js
+OUT_WASM = $(OUT_JS:.js=.wasm)
+OUT_WORKER = $(OUT_JS:.js=.worker.js)
+
+.PHONY: all clean
+
+all: $(OUT_JS)
+
+# Define dependencies for all variations of build artifacts.
+$(filter enc/%,$(OUT_JS)): enc/jxl_enc.cpp
+$(filter dec/%,$(OUT_JS)): dec/jxl_dec.cpp
+
+enc/jxl_node_enc.js dec/jxl_node_dec.js: ENVIRONMENT = node
+
+# For single-threaded build, we compile with threads enabled, but then just don't use them nor link them in.
+enc/jxl_enc.js enc/jxl_node_enc.js enc/jxl_enc_mt.js dec/jxl_dec.js dec/jxl_node_dec.js: CODEC_BUILD_DIR:=$(CODEC_MT_BUILD_DIR)
+enc/jxl_enc_mt_simd.js: CODEC_BUILD_DIR:=$(CODEC_MT_SIMD_BUILD_DIR)
+
+enc/jxl_node_enc.js dec/jxl_node_dec.js enc/jxl_enc.js dec/jxl_dec.js: $(CODEC_MT_BUILD_DIR)/lib/libjxl.a
+enc/jxl_enc_mt.js: $(CODEC_MT_BUILD_DIR)/lib/libjxl.a $(CODEC_MT_BUILD_DIR)/lib/libjxl_threads.a
+enc/jxl_enc_mt_simd.js: $(CODEC_MT_SIMD_BUILD_DIR)/lib/libjxl.a $(CODEC_MT_SIMD_BUILD_DIR)/lib/libjxl_threads.a
+
+# Compile multithreaded wrappers with -pthread.
+enc/jxl_enc_mt.js enc/jxl_enc_mt_simd.js: CXXFLAGS+=-pthread
+
+$(OUT_JS):
+	$(CXX) \
+		$(CXXFLAGS) \
+		$(LDFLAGS) \
+		-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 $(CODEC_DIR)/third_party/skcms \
+		--bind \
+		--closure 1 \
+		-s ALLOW_MEMORY_GROWTH=1 \
+		-s MODULARIZE=1 \
+		-s TEXTDECODER=2 \
+		-s ENVIRONMENT=$(ENVIRONMENT) \
+		-s EXPORT_ES6=1 \
+		-s EXPORT_NAME="$(basename $(@F))" \
+		-o $@ \
+		$+ \
+		$(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
+
+%/lib/libjxl.a: %/Makefile
+	$(MAKE) -C $(<D) jxl-static
+
+%/lib/libjxl_threads.a: %/Makefile
+	$(MAKE) -C $(<D) jxl_threads-static
+
+# Enable SIMD on a SIMD build.
+$(CODEC_MT_SIMD_BUILD_DIR)/Makefile: CXXFLAGS+=-msimd128
+
+%/Makefile: $(CODEC_DIR)/CMakeLists.txt
+	emcmake cmake \
+	$(CMAKE_FLAGS) \
+	-DBUILD_SHARED_LIBS=0 \
+	-DJPEGXL_ENABLE_BENCHMARK=0 \
+	-DJPEGXL_ENABLE_EXAMPLES=0 \
+	-DBUILD_TESTING=0 \
+	-B $(@D) \
+	$(<D)
+
+$(CODEC_DIR)/CMakeLists.txt: 
+	$(RM) -r $(@D)
+	git init $(@D)
+	git -C $(@D) fetch $(CODEC_URL) $(CODEC_VERSION) --depth 1
+	git -C $(@D) checkout FETCH_HEAD
+	git -C $(@D) submodule update --init --depth 1 --recursive --jobs `nproc`
+
+clean:
+	$(RM) $(OUT_JS) $(OUT_WASM) $(OUT_WORKER)
+	$(MAKE) -C $(CODEC_BUILD_DIR) clean
+	$(MAKE) -C $(CODEC_MT_BUILD_DIR) clean
+	$(MAKE) -C $(CODEC_MT_SIMD_BUILD_DIR) clean

codecs/jxl/dec/jxl_dec.cpp

@@ -0,0 +1,99 @@
+#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();
+  JxlDecoderSetInput(dec.get(), next_in, avail_in);
+  EXPECT_EQ(JXL_DEC_BASIC_INFO, JxlDecoderProcessInput(dec.get()));
+  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()));
+  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()));
+
+  EXPECT_EQ(JXL_DEC_NEED_IMAGE_OUT_BUFFER, JxlDecoderProcessInput(dec.get()));
+  size_t buffer_size;
+  EXPECT_EQ(JXL_DEC_SUCCESS, JxlDecoderImageOutBufferSize(dec.get(), &format, &buffer_size));
+  EXPECT_EQ(buffer_size, component_count * sizeof(float));
+
+  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()));
+
+  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/dec/jxl_dec.js

@@ -0,0 +1,58 @@
+
+var jxl_dec = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(jxl_dec) {
+  jxl_dec = jxl_dec || {};
+
+
+var e;e||(e=typeof jxl_dec !== 'undefined' ? jxl_dec : {});var aa,ba;e.ready=new Promise(function(a,b){aa=a;ba=b});var r={},t;for(t in e)e.hasOwnProperty(t)&&(r[t]=e[t]);var ca="./this.program",u="",da;u=self.location.href;_scriptDir&&(u=_scriptDir);0!==u.indexOf("blob:")?u=u.substr(0,u.lastIndexOf("/")+1):u="";da=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)};
+var ea=e.print||console.log.bind(console),v=e.printErr||console.warn.bind(console);for(t in r)r.hasOwnProperty(t)&&(e[t]=r[t]);r=null;e.thisProgram&&(ca=e.thisProgram);var w;e.wasmBinary&&(w=e.wasmBinary);var noExitRuntime;e.noExitRuntime&&(noExitRuntime=e.noExitRuntime);"object"!==typeof WebAssembly&&y("no native wasm support detected");var z,fa=!1,ha=new TextDecoder("utf8");
+function ia(a,b,c){var d=A;if(0<c){c=b+c-1;for(var f=0;f<a.length;++f){var g=a.charCodeAt(f);if(55296<=g&&57343>=g){var l=a.charCodeAt(++f);g=65536+((g&1023)<<10)|l&1023}if(127>=g){if(b>=c)break;d[b++]=g}else{if(2047>=g){if(b+1>=c)break;d[b++]=192|g>>6}else{if(65535>=g){if(b+2>=c)break;d[b++]=224|g>>12}else{if(b+3>=c)break;d[b++]=240|g>>18;d[b++]=128|g>>12&63}d[b++]=128|g>>6&63}d[b++]=128|g&63}}d[b]=0}}var ja=new TextDecoder("utf-16le");
+function ka(a,b){var c=a>>1;for(b=c+b/2;!(c>=b)&&B[c];)++c;return ja.decode(A.subarray(a,c<<1))}function la(a,b,c){void 0===c&&(c=2147483647);if(2>c)return 0;c-=2;var d=b;c=c<2*a.length?c/2:a.length;for(var f=0;f<c;++f)D[b>>1]=a.charCodeAt(f),b+=2;D[b>>1]=0;return b-d}function ma(a){return 2*a.length}function na(a,b){for(var c=0,d="";!(c>=b/4);){var f=E[a+4*c>>2];if(0==f)break;++c;65536<=f?(f-=65536,d+=String.fromCharCode(55296|f>>10,56320|f&1023)):d+=String.fromCharCode(f)}return d}
+function oa(a,b,c){void 0===c&&(c=2147483647);if(4>c)return 0;var d=b;c=d+c-4;for(var f=0;f<a.length;++f){var g=a.charCodeAt(f);if(55296<=g&&57343>=g){var l=a.charCodeAt(++f);g=65536+((g&1023)<<10)|l&1023}E[b>>2]=g;b+=4;if(b+4>c)break}E[b>>2]=0;return b-d}function pa(a){for(var b=0,c=0;c<a.length;++c){var d=a.charCodeAt(c);55296<=d&&57343>=d&&++c;b+=4}return b}var F,G,A,D,B,E,H,qa,ra;
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+function ya(){var a=e.preRun.shift();ua.unshift(a)}var K=0,za=null,L=null;e.preloadedImages={};e.preloadedAudios={};function y(a){if(e.onAbort)e.onAbort(a);v(a);fa=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");ba(a);throw a;}function Aa(){var a=N;return String.prototype.startsWith?a.startsWith("data:application/octet-stream;base64,"):0===a.indexOf("data:application/octet-stream;base64,")}var N="jxl_dec.wasm";
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+C&&(k+="var destructors = [];\n");var Qa=C?"destructors":"null";I="throwBindingError invoker fn runDestructors retType classParam".split(" ");m=[T,m,g,Ua,h[0],h[1]];x&&(k+="var thisWired = classParam.toWireType("+Qa+", this);\n");for(n=0;n<q-2;++n)k+="var arg"+n+"Wired = argType"+n+".toWireType("+Qa+", arg"+n+"); // "+h[n+2].name+"\n",I.push("argType"+n),m.push(h[n+2]);x&&(M="thisWired"+(0<M.length?", ":"")+M);k+=(Pa?"var rv = ":"")+"invoker(fn"+(0<M.length?", ":"")+M+");\n";if(C)k+="runDestructors(destructors);\n";
+else for(n=x?1:2;n<h.length;++n)q=1===n?"thisWired":"arg"+(n-2)+"Wired",null!==h[n].H&&(k+=q+"_dtor("+q+"); // "+h[n].name+"\n",I.push(q+"_dtor"),m.push(h[n].H));Pa&&(k+="var ret = retType.fromWireType(rv);\nreturn ret;\n");I.push(k+"}\n");h=Ta(I).apply(null,m);n=b-1;if(!e.hasOwnProperty(p))throw new Ka("Replacing nonexistant public symbol");void 0!==e[p].G&&void 0!==n?e[p].G[n]=h:(e[p]=h,e[p].K=n);return[]})},d:function(a,b,c,d,f){function g(k){return k}b=P(b);-1===f&&(f=4294967295);var l=Ea(c);
+if(0===d){var h=32-8*c;g=function(k){return k<<h>>>h}}var p=-1!=b.indexOf("unsigned");U(a,{name:b,fromWireType:g,toWireType:function(k,m){if("number"!==typeof m&&"boolean"!==typeof m)throw new TypeError('Cannot convert "'+Ra(m)+'" to '+this.name);if(m<d||m>f)throw new TypeError('Passing a number "'+Ra(m)+'" from JS side to C/C++ side to an argument of type "'+b+'", which is outside the valid range ['+d+", "+f+"]!");return p?m>>>0:m|0},argPackAdvance:8,readValueFromPointer:db(b,l,0!==d),H:null})},
+c:function(a,b,c){function d(g){g>>=2;var l=H;return new f(F,l[g+1],l[g])}var f=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array][b];c=P(c);U(a,{name:c,fromWireType:d,argPackAdvance:8,readValueFromPointer:d},{M:!0})},j:function(a,b){b=P(b);var c="std::string"===b;U(a,{name:b,fromWireType:function(d){var f=H[d>>2];if(c)for(var g=d+4,l=0;l<=f;++l){var h=d+4+l;if(l==f||0==A[h]){if(g){for(var p=g+(h-g),k=g;!(k>=p)&&A[k];)++k;g=ha.decode(A.subarray(g,k))}else g=
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+p:function(a,b){b=P(b);U(a,{N:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},f:Na,g:function(a){if(0===a)return W(fb());var b=eb[a];a=void 0===b?P(a):b;return W(fb()[a])},k:function(a){4<a&&(V[a].J+=1)},l:function(a,b,c,d){a||T("Cannot use deleted val. handle = "+a);a=V[a].value;var f=hb[b];if(!f){f="";for(var g=0;g<b;++g)f+=(0!==g?", ":"")+"arg"+g;var l="return function emval_allocator_"+b+"(constructor, argTypes, args) {\n";for(g=0;g<b;++g)l+="var argType"+g+" = requireRegisteredType(Module['HEAP32'][(argTypes >>> 2) + "+
+g+'], "parameter '+g+'");\nvar arg'+g+" = argType"+g+".readValueFromPointer(args);\nargs += argType"+g+"['argPackAdvance'];\n";f=(new Function("requireRegisteredType","Module","__emval_register",l+("var obj = new constructor("+f+");\nreturn __emval_register(obj);\n}\n")))(gb,e,W);hb[b]=f}return f(a,c,d)},b:function(){y()},t:function(a,b,c){A.copyWithin(a,b,b+c)},e:function(a){a>>>=0;var b=A.length;if(2147483648<a)return!1;for(var c=1;4>=c;c*=2){var d=b*(1+.2/c);d=Math.min(d,a+100663296);d=Math.max(16777216,
+a,d);0<d%65536&&(d+=65536-d%65536);a:{try{z.grow(Math.min(2147483648,d)-F.byteLength+65535>>>16);sa(z.buffer);var f=1;break a}catch(g){}f=void 0}if(f)return!0}return!1},u:function(a,b){var c=0;jb().forEach(function(d,f){var g=b+c;f=E[a+4*f>>2]=g;for(g=0;g<d.length;++g)G[f++>>0]=d.charCodeAt(g);G[f>>0]=0;c+=d.length+1});return 0},v:function(a,b){var c=jb();E[a>>2]=c.length;var d=0;c.forEach(function(f){d+=f.length+1});E[b>>2]=d;return 0},w:function(){return 0},r:function(){},m:function(a,b,c,d){for(var f=
+0,g=0;g<c;g++){for(var l=E[b+8*g>>2],h=E[b+(8*g+4)>>2],p=0;p<h;p++){var k=A[l+p],m=lb[a];if(0===k||10===k){for(k=0;m[k]&&!(NaN<=k);)++k;k=ha.decode(m.subarray?m.subarray(0,k):new Uint8Array(m.slice(0,k)));(1===a?ea:v)(k);m.length=0}else m.push(k)}f+=h}E[d>>2]=f;return 0},a:z,s:function(){}};
+(function(){function a(f){e.asm=f.exports;J=e.asm.y;K--;e.monitorRunDependencies&&e.monitorRunDependencies(K);0==K&&(null!==za&&(clearInterval(za),za=null),L&&(f=L,L=null,f()))}function b(f){a(f.instance)}function c(f){return Da().then(function(g){return WebAssembly.instantiate(g,d)}).then(f,function(g){v("failed to asynchronously prepare wasm: "+g);y(g)})}var d={a:pb};K++;e.monitorRunDependencies&&e.monitorRunDependencies(K);if(e.instantiateWasm)try{return e.instantiateWasm(d,a)}catch(f){return v("Module.instantiateWasm callback failed with error: "+
+f),!1}(function(){return w||"function"!==typeof WebAssembly.instantiateStreaming||Aa()||"function"!==typeof fetch?c(b):fetch(N,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,d).then(b,function(g){v("wasm streaming compile failed: "+g);v("falling back to ArrayBuffer instantiation");return c(b)})})})().catch(ba);return{}})();
+var nb=e.___wasm_call_ctors=function(){return(nb=e.___wasm_call_ctors=e.asm.z).apply(null,arguments)},ob=e._malloc=function(){return(ob=e._malloc=e.asm.A).apply(null,arguments)},X=e._free=function(){return(X=e._free=e.asm.B).apply(null,arguments)},bb=e.___getTypeName=function(){return(bb=e.___getTypeName=e.asm.C).apply(null,arguments)};e.___embind_register_native_and_builtin_types=function(){return(e.___embind_register_native_and_builtin_types=e.asm.D).apply(null,arguments)};
+e.dynCall_iiji=function(){return(e.dynCall_iiji=e.asm.E).apply(null,arguments)};e.dynCall_jiji=function(){return(e.dynCall_jiji=e.asm.F).apply(null,arguments)};var Z;L=function qb(){Z||rb();Z||(L=qb)};
+function rb(){function a(){if(!Z&&(Z=!0,e.calledRun=!0,!fa)){O(va);O(wa);aa(e);if(e.onRuntimeInitialized)e.onRuntimeInitialized();if(e.postRun)for("function"==typeof e.postRun&&(e.postRun=[e.postRun]);e.postRun.length;){var b=e.postRun.shift();xa.unshift(b)}O(xa)}}if(!(0<K)){if(e.preRun)for("function"==typeof e.preRun&&(e.preRun=[e.preRun]);e.preRun.length;)ya();O(ua);0<K||(e.setStatus?(e.setStatus("Running..."),setTimeout(function(){setTimeout(function(){e.setStatus("")},1);a()},1)):a())}}
+e.run=rb;if(e.preInit)for("function"==typeof e.preInit&&(e.preInit=[e.preInit]);0<e.preInit.length;)e.preInit.pop()();noExitRuntime=!0;rb();
+
+
+  return jxl_dec.ready
+}
+);
+})();
+export default jxl_dec;

codecs/jxl/dec/jxl_node_dec.js

@@ -0,0 +1,58 @@
+
+var jxl_node_dec = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(jxl_node_dec) {
+  jxl_node_dec = jxl_node_dec || {};
+
+
+var e;e||(e=typeof jxl_node_dec !== 'undefined' ? jxl_node_dec : {});var aa,r;e.ready=new Promise(function(a,b){aa=a;r=b});var t={},u;for(u in e)e.hasOwnProperty(u)&&(t[u]=e[u]);var ba="./this.program",ca="",da,ea,fa,ha;ca=__dirname+"/";da=function(a){fa||(fa=require("fs"));ha||(ha=require("path"));a=ha.normalize(a);return fa.readFileSync(a,null)};ea=function(a){a=da(a);a.buffer||(a=new Uint8Array(a));a.buffer||v("Assertion failed: undefined");return a};
+1<process.argv.length&&(ba=process.argv[1].replace(/\\/g,"/"));process.argv.slice(2);process.on("uncaughtException",function(a){throw a;});process.on("unhandledRejection",v);e.inspect=function(){return"[Emscripten Module object]"};var ia=e.print||console.log.bind(console),w=e.printErr||console.warn.bind(console);for(u in t)t.hasOwnProperty(u)&&(e[u]=t[u]);t=null;e.thisProgram&&(ba=e.thisProgram);var y;e.wasmBinary&&(y=e.wasmBinary);var noExitRuntime;e.noExitRuntime&&(noExitRuntime=e.noExitRuntime);
+"object"!==typeof WebAssembly&&v("no native wasm support detected");var z,ja=!1,ka=new TextDecoder("utf8");
+function la(a,b,c){var d=A;if(0<c){c=b+c-1;for(var f=0;f<a.length;++f){var g=a.charCodeAt(f);if(55296<=g&&57343>=g){var l=a.charCodeAt(++f);g=65536+((g&1023)<<10)|l&1023}if(127>=g){if(b>=c)break;d[b++]=g}else{if(2047>=g){if(b+1>=c)break;d[b++]=192|g>>6}else{if(65535>=g){if(b+2>=c)break;d[b++]=224|g>>12}else{if(b+3>=c)break;d[b++]=240|g>>18;d[b++]=128|g>>12&63}d[b++]=128|g>>6&63}d[b++]=128|g&63}}d[b]=0}}var ma=new TextDecoder("utf-16le");
+function na(a,b){var c=a>>1;for(b=c+b/2;!(c>=b)&&C[c];)++c;return ma.decode(A.subarray(a,c<<1))}function oa(a,b,c){void 0===c&&(c=2147483647);if(2>c)return 0;c-=2;var d=b;c=c<2*a.length?c/2:a.length;for(var f=0;f<c;++f)D[b>>1]=a.charCodeAt(f),b+=2;D[b>>1]=0;return b-d}function pa(a){return 2*a.length}function qa(a,b){for(var c=0,d="";!(c>=b/4);){var f=E[a+4*c>>2];if(0==f)break;++c;65536<=f?(f-=65536,d+=String.fromCharCode(55296|f>>10,56320|f&1023)):d+=String.fromCharCode(f)}return d}
+function ra(a,b,c){void 0===c&&(c=2147483647);if(4>c)return 0;var d=b;c=d+c-4;for(var f=0;f<a.length;++f){var g=a.charCodeAt(f);if(55296<=g&&57343>=g){var l=a.charCodeAt(++f);g=65536+((g&1023)<<10)|l&1023}E[b>>2]=g;b+=4;if(b+4>c)break}E[b>>2]=0;return b-d}function sa(a){for(var b=0,c=0;c<a.length;++c){var d=a.charCodeAt(c);55296<=d&&57343>=d&&++c;b+=4}return b}var F,G,A,D,C,E,I,ta,ua;
+function va(a){F=a;e.HEAP8=G=new Int8Array(a);e.HEAP16=D=new Int16Array(a);e.HEAP32=E=new Int32Array(a);e.HEAPU8=A=new Uint8Array(a);e.HEAPU16=C=new Uint16Array(a);e.HEAPU32=I=new Uint32Array(a);e.HEAPF32=ta=new Float32Array(a);e.HEAPF64=ua=new Float64Array(a)}var wa=e.INITIAL_MEMORY||16777216;e.wasmMemory?z=e.wasmMemory:z=new WebAssembly.Memory({initial:wa/65536,maximum:32768});z&&(F=z.buffer);wa=F.byteLength;va(F);var J,xa=[],ya=[],za=[],Aa=[];
+function Ba(){var a=e.preRun.shift();xa.unshift(a)}var K=0,Ca=null,M=null;e.preloadedImages={};e.preloadedAudios={};function v(a){if(e.onAbort)e.onAbort(a);w(a);ja=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");r(a);throw a;}function Da(){var a=N;return String.prototype.startsWith?a.startsWith("data:application/octet-stream;base64,"):0===a.indexOf("data:application/octet-stream;base64,")}var N="jxl_node_dec.wasm";
+if(!Da()){var Ea=N;N=e.locateFile?e.locateFile(Ea,ca):ca+Ea}function Fa(){try{if(y)return new Uint8Array(y);if(ea)return ea(N);throw"both async and sync fetching of the wasm failed";}catch(a){v(a)}}function O(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(e);else{var c=b.L;"number"===typeof c?void 0===b.I?J.get(c)():J.get(c)(b.I):c(void 0===b.I?null:b.I)}}}
+function Ga(a){switch(a){case 1:return 0;case 2:return 1;case 4:return 2;case 8:return 3;default:throw new TypeError("Unknown type size: "+a);}}var Ha=void 0;function P(a){for(var b="";A[a];)b+=Ha[A[a++]];return b}var Q={},R={},S={};function Ia(a){if(void 0===a)return"_unknown";a=a.replace(/[^a-zA-Z0-9_]/g,"$");var b=a.charCodeAt(0);return 48<=b&&57>=b?"_"+a:a}
+function Ja(a,b){a=Ia(a);return(new Function("body","return function "+a+'() {\n    "use strict";    return body.apply(this, arguments);\n};\n'))(b)}function Ka(a){var b=Error,c=Ja(a,function(d){this.name=a;this.message=d;d=Error(d).stack;void 0!==d&&(this.stack=this.toString()+"\n"+d.replace(/^Error(:[^\n]*)?\n/,""))});c.prototype=Object.create(b.prototype);c.prototype.constructor=c;c.prototype.toString=function(){return void 0===this.message?this.name:this.name+": "+this.message};return c}
+var La=void 0;function T(a){throw new La(a);}var Ma=void 0;function Na(a,b){function c(h){h=b(h);if(h.length!==d.length)throw new Ma("Mismatched type converter count");for(var k=0;k<d.length;++k)U(d[k],h[k])}var d=[];d.forEach(function(h){S[h]=a});var f=Array(a.length),g=[],l=0;a.forEach(function(h,k){R.hasOwnProperty(h)?f[k]=R[h]:(g.push(h),Q.hasOwnProperty(h)||(Q[h]=[]),Q[h].push(function(){f[k]=R[h];++l;l===g.length&&c(f)}))});0===g.length&&c(f)}
+function U(a,b,c){c=c||{};if(!("argPackAdvance"in b))throw new TypeError("registerType registeredInstance requires argPackAdvance");var d=b.name;a||T('type "'+d+'" must have a positive integer typeid pointer');if(R.hasOwnProperty(a)){if(c.M)return;T("Cannot register type '"+d+"' twice")}R[a]=b;delete S[a];Q.hasOwnProperty(a)&&(b=Q[a],delete Q[a],b.forEach(function(f){f()}))}var Oa=[],V=[{},{value:void 0},{value:null},{value:!0},{value:!1}];
+function Pa(a){4<a&&0===--V[a].J&&(V[a]=void 0,Oa.push(a))}function W(a){switch(a){case void 0:return 1;case null:return 2;case !0:return 3;case !1:return 4;default:var b=Oa.length?Oa.pop():V.length;V[b]={J:1,value:a};return b}}function Qa(a){return this.fromWireType(I[a>>2])}function Ta(a){if(null===a)return"null";var b=typeof a;return"object"===b||"array"===b||"function"===b?a.toString():""+a}
+function Ua(a,b){switch(b){case 2:return function(c){return this.fromWireType(ta[c>>2])};case 3:return function(c){return this.fromWireType(ua[c>>3])};default:throw new TypeError("Unknown float type: "+a);}}function Va(a){var b=Function;if(!(b instanceof Function))throw new TypeError("new_ called with constructor type "+typeof b+" which is not a function");var c=Ja(b.name||"unknownFunctionName",function(){});c.prototype=b.prototype;c=new c;a=b.apply(c,a);return a instanceof Object?a:c}
+function Wa(a){for(;a.length;){var b=a.pop();a.pop()(b)}}function Xa(a,b){var c=e;if(void 0===c[a].G){var d=c[a];c[a]=function(){c[a].G.hasOwnProperty(arguments.length)||T("Function '"+b+"' called with an invalid number of arguments ("+arguments.length+") - expects one of ("+c[a].G+")!");return c[a].G[arguments.length].apply(this,arguments)};c[a].G=[];c[a].G[d.K]=d}}
+function Ya(a,b,c){e.hasOwnProperty(a)?((void 0===c||void 0!==e[a].G&&void 0!==e[a].G[c])&&T("Cannot register public name '"+a+"' twice"),Xa(a,a),e.hasOwnProperty(c)&&T("Cannot register multiple overloads of a function with the same number of arguments ("+c+")!"),e[a].G[c]=b):(e[a]=b,void 0!==c&&(e[a].O=c))}function Za(a,b){for(var c=[],d=0;d<a;d++)c.push(E[(b>>2)+d]);return c}
+function $a(a,b){0<=a.indexOf("j")||v("Assertion failed: getDynCaller should only be called with i64 sigs");var c=[];return function(){c.length=arguments.length;for(var d=0;d<arguments.length;d++)c[d]=arguments[d];var f;-1!=a.indexOf("j")?f=c&&c.length?e["dynCall_"+a].apply(null,[b].concat(c)):e["dynCall_"+a].call(null,b):f=J.get(b).apply(null,c);return f}}
+function ab(a,b){a=P(a);var c=-1!=a.indexOf("j")?$a(a,b):J.get(b);"function"!==typeof c&&T("unknown function pointer with signature "+a+": "+b);return c}var bb=void 0;function cb(a){a=db(a);var b=P(a);X(a);return b}function eb(a,b){function c(g){f[g]||R[g]||(S[g]?S[g].forEach(c):(d.push(g),f[g]=!0))}var d=[],f={};b.forEach(c);throw new bb(a+": "+d.map(cb).join([", "]));}
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+function lb(){if(!mb){var a={USER:"web_user",LOGNAME:"web_user",PATH:"/",PWD:"/",HOME:"/home/web_user",LANG:("object"===typeof navigator&&navigator.languages&&navigator.languages[0]||"C").replace("-","_")+".UTF-8",_:ba||"./this.program"},b;for(b in kb)a[b]=kb[b];var c=[];for(b in a)c.push(b+"="+a[b]);mb=c}return mb}for(var mb,nb=[null,[],[]],ob=Array(256),Y=0;256>Y;++Y)ob[Y]=String.fromCharCode(Y);Ha=ob;La=e.BindingError=Ka("BindingError");Ma=e.InternalError=Ka("InternalError");
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+else for(q=x?1:2;q<k.length;++q)p=1===q?"thisWired":"arg"+(q-2)+"Wired",null!==k[q].H&&(m+=p+"_dtor("+p+"); // "+k[q].name+"\n",H.push(p+"_dtor"),n.push(k[q].H));Ra&&(m+="var ret = retType.fromWireType(rv);\nreturn ret;\n");H.push(m+"}\n");k=Va(H).apply(null,n);q=b-1;if(!e.hasOwnProperty(h))throw new Ma("Replacing nonexistant public symbol");void 0!==e[h].G&&void 0!==q?e[h].G[q]=k:(e[h]=k,e[h].K=q);return[]})},d:function(a,b,c,d,f){function g(m){return m}b=P(b);-1===f&&(f=4294967295);var l=Ga(c);
+if(0===d){var h=32-8*c;g=function(m){return m<<h>>>h}}var k=-1!=b.indexOf("unsigned");U(a,{name:b,fromWireType:g,toWireType:function(m,n){if("number"!==typeof n&&"boolean"!==typeof n)throw new TypeError('Cannot convert "'+Ta(n)+'" to '+this.name);if(n<d||n>f)throw new TypeError('Passing a number "'+Ta(n)+'" from JS side to C/C++ side to an argument of type "'+b+'", which is outside the valid range ['+d+", "+f+"]!");return k?n>>>0:n|0},argPackAdvance:8,readValueFromPointer:fb(b,l,0!==d),H:null})},
+c:function(a,b,c){function d(g){g>>=2;var l=I;return new f(F,l[g+1],l[g])}var f=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array][b];c=P(c);U(a,{name:c,fromWireType:d,argPackAdvance:8,readValueFromPointer:d},{M:!0})},j:function(a,b){b=P(b);var c="std::string"===b;U(a,{name:b,fromWireType:function(d){var f=I[d>>2];if(c)for(var g=d+4,l=0;l<=f;++l){var h=d+4+l;if(l==f||0==A[h]){if(g){for(var k=g+(h-g),m=g;!(m>=k)&&A[m];)++m;g=ka.decode(A.subarray(g,m))}else g=
+"";if(void 0===n)var n=g;else n+=String.fromCharCode(0),n+=g;g=h+1}}else{n=Array(f);for(l=0;l<f;++l)n[l]=String.fromCharCode(A[d+4+l]);n=n.join("")}X(d);return n},toWireType:function(d,f){f instanceof ArrayBuffer&&(f=new Uint8Array(f));var g="string"===typeof f;g||f instanceof Uint8Array||f instanceof Uint8ClampedArray||f instanceof Int8Array||T("Cannot pass non-string to std::string");var l=(c&&g?function(){for(var m=0,n=0;n<f.length;++n){var p=f.charCodeAt(n);55296<=p&&57343>=p&&(p=65536+((p&1023)<<
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+var h=1}else 4===b&&(d=qa,f=ra,g=sa,l=function(){return I},h=2);U(a,{name:c,fromWireType:function(k){for(var m=I[k>>2],n=l(),p,x=k+4,B=0;B<=m;++B){var q=k+4+B*b;if(B==m||0==n[q>>h])x=d(x,q-x),void 0===p?p=x:(p+=String.fromCharCode(0),p+=x),x=q+b}X(k);return p},toWireType:function(k,m){"string"!==typeof m&&T("Cannot pass non-string to C++ string type "+c);var n=g(m),p=qb(4+n+b);I[p>>2]=n>>h;f(m,p+4,n+b);null!==k&&k.push(X,p);return p},argPackAdvance:8,readValueFromPointer:Qa,H:function(k){X(k)}})},
+p:function(a,b){b=P(b);U(a,{N:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},f:Pa,g:function(a){if(0===a)return W(hb());var b=gb[a];a=void 0===b?P(a):b;return W(hb()[a])},k:function(a){4<a&&(V[a].J+=1)},l:function(a,b,c,d){a||T("Cannot use deleted val. handle = "+a);a=V[a].value;var f=jb[b];if(!f){f="";for(var g=0;g<b;++g)f+=(0!==g?", ":"")+"arg"+g;var l="return function emval_allocator_"+b+"(constructor, argTypes, args) {\n";for(g=0;g<b;++g)l+="var argType"+g+" = requireRegisteredType(Module['HEAP32'][(argTypes >>> 2) + "+
+g+'], "parameter '+g+'");\nvar arg'+g+" = argType"+g+".readValueFromPointer(args);\nargs += argType"+g+"['argPackAdvance'];\n";f=(new Function("requireRegisteredType","Module","__emval_register",l+("var obj = new constructor("+f+");\nreturn __emval_register(obj);\n}\n")))(ib,e,W);jb[b]=f}return f(a,c,d)},b:function(){v()},t:function(a,b,c){A.copyWithin(a,b,b+c)},e:function(a){a>>>=0;var b=A.length;if(2147483648<a)return!1;for(var c=1;4>=c;c*=2){var d=b*(1+.2/c);d=Math.min(d,a+100663296);d=Math.max(16777216,
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+(function(){function a(f){e.asm=f.exports;J=e.asm.y;K--;e.monitorRunDependencies&&e.monitorRunDependencies(K);0==K&&(null!==Ca&&(clearInterval(Ca),Ca=null),M&&(f=M,M=null,f()))}function b(f){a(f.instance)}function c(f){return Promise.resolve().then(Fa).then(function(g){return WebAssembly.instantiate(g,d)}).then(f,function(g){w("failed to asynchronously prepare wasm: "+g);v(g)})}var d={a:rb};K++;e.monitorRunDependencies&&e.monitorRunDependencies(K);if(e.instantiateWasm)try{return e.instantiateWasm(d,
+a)}catch(f){return w("Module.instantiateWasm callback failed with error: "+f),!1}(function(){return y||"function"!==typeof WebAssembly.instantiateStreaming||Da()||"function"!==typeof fetch?c(b):fetch(N,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,d).then(b,function(g){w("wasm streaming compile failed: "+g);w("falling back to ArrayBuffer instantiation");return c(b)})})})().catch(r);return{}})();
+var pb=e.___wasm_call_ctors=function(){return(pb=e.___wasm_call_ctors=e.asm.z).apply(null,arguments)},qb=e._malloc=function(){return(qb=e._malloc=e.asm.A).apply(null,arguments)},X=e._free=function(){return(X=e._free=e.asm.B).apply(null,arguments)},db=e.___getTypeName=function(){return(db=e.___getTypeName=e.asm.C).apply(null,arguments)};e.___embind_register_native_and_builtin_types=function(){return(e.___embind_register_native_and_builtin_types=e.asm.D).apply(null,arguments)};
+e.dynCall_iiji=function(){return(e.dynCall_iiji=e.asm.E).apply(null,arguments)};e.dynCall_jiji=function(){return(e.dynCall_jiji=e.asm.F).apply(null,arguments)};var Z;M=function sb(){Z||tb();Z||(M=sb)};
+function tb(){function a(){if(!Z&&(Z=!0,e.calledRun=!0,!ja)){O(ya);O(za);aa(e);if(e.onRuntimeInitialized)e.onRuntimeInitialized();if(e.postRun)for("function"==typeof e.postRun&&(e.postRun=[e.postRun]);e.postRun.length;){var b=e.postRun.shift();Aa.unshift(b)}O(Aa)}}if(!(0<K)){if(e.preRun)for("function"==typeof e.preRun&&(e.preRun=[e.preRun]);e.preRun.length;)Ba();O(xa);0<K||(e.setStatus?(e.setStatus("Running..."),setTimeout(function(){setTimeout(function(){e.setStatus("")},1);a()},1)):a())}}
+e.run=tb;if(e.preInit)for("function"==typeof e.preInit&&(e.preInit=[e.preInit]);0<e.preInit.length;)e.preInit.pop()();noExitRuntime=!0;tb();
+
+
+  return jxl_node_dec.ready
+}
+);
+})();
+export default jxl_node_dec;

codecs/jxl/enc/jxl_enc.cpp

@@ -0,0 +1,119 @@
+#include <emscripten/bind.h>
+#include <emscripten/val.h>
+
+#include "lib/jxl/base/thread_pool_internal.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();
+  jxl::ThreadPoolInternal* pool_ptr = nullptr;
+#ifdef __EMSCRIPTEN_PTHREADS__
+  jxl::ThreadPoolInternal pool;
+  pool_ptr = &pool;
+#endif
+
+  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;
+  }
+
+  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_sample=*/8, /*endiannes=*/JXL_LITTLE_ENDIAN,
+      /*flipped_y=*/false, pool_ptr, main);
+
+  if (!result) {
+    return val::null();
+  }
+
+  auto js_result = val::null();
+  if (EncodeFile(cparams, &io, &passes_enc_state, &bytes, /*aux=*/nullptr, pool_ptr)) {
+    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/enc/jxl_enc.js

@@ -0,0 +1,71 @@
+
+var jxl_enc = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(jxl_enc) {
+  jxl_enc = jxl_enc || {};
+
+
+var f;f||(f=typeof jxl_enc !== 'undefined' ? jxl_enc : {});var aa,ba;f.ready=new Promise(function(a,b){aa=a;ba=b});var t={},w;for(w in f)f.hasOwnProperty(w)&&(t[w]=f[w]);var ca="./this.program",y="",da;y=self.location.href;_scriptDir&&(y=_scriptDir);0!==y.indexOf("blob:")?y=y.substr(0,y.lastIndexOf("/")+1):y="";da=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)};
+var ea=f.print||console.log.bind(console),z=f.printErr||console.warn.bind(console);for(w in t)t.hasOwnProperty(w)&&(f[w]=t[w]);t=null;f.thisProgram&&(ca=f.thisProgram);var A;f.wasmBinary&&(A=f.wasmBinary);var noExitRuntime;f.noExitRuntime&&(noExitRuntime=f.noExitRuntime);"object"!==typeof WebAssembly&&C("no native wasm support detected");var D,fa=!1,ha=new TextDecoder("utf8");function ia(a,b){if(!a)return"";b=a+b;for(var c=a;!(c>=b)&&E[c];)++c;return ha.decode(E.subarray(a,c))}
+function ja(a,b,c,d){if(0<d){d=c+d-1;for(var g=0;g<a.length;++g){var h=a.charCodeAt(g);if(55296<=h&&57343>=h){var m=a.charCodeAt(++g);h=65536+((h&1023)<<10)|m&1023}if(127>=h){if(c>=d)break;b[c++]=h}else{if(2047>=h){if(c+1>=d)break;b[c++]=192|h>>6}else{if(65535>=h){if(c+2>=d)break;b[c++]=224|h>>12}else{if(c+3>=d)break;b[c++]=240|h>>18;b[c++]=128|h>>12&63}b[c++]=128|h>>6&63}b[c++]=128|h&63}}b[c]=0}}
+function ka(a){for(var b=0,c=0;c<a.length;++c){var d=a.charCodeAt(c);55296<=d&&57343>=d&&(d=65536+((d&1023)<<10)|a.charCodeAt(++c)&1023);127>=d?++b:b=2047>=d?b+2:65535>=d?b+3:b+4}return b}var la=new TextDecoder("utf-16le");function ma(a,b){var c=a>>1;for(b=c+b/2;!(c>=b)&&F[c];)++c;return la.decode(E.subarray(a,c<<1))}function na(a,b,c){void 0===c&&(c=2147483647);if(2>c)return 0;c-=2;var d=b;c=c<2*a.length?c/2:a.length;for(var g=0;g<c;++g)G[b>>1]=a.charCodeAt(g),b+=2;G[b>>1]=0;return b-d}
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+ma;var g=na;var h=oa;var m=function(){return F};var k=1}else 4===b&&(d=pa,g=qa,h=ra,m=function(){return K},k=2);T(a,{name:c,fromWireType:function(n){for(var p=K[n>>2],q=m(),r,x=n+4,e=0;e<=p;++e){var l=n+4+e*b;if(e==p||0==q[l>>k])x=d(x,l-x),void 0===r?r=x:(r+=String.fromCharCode(0),r+=x),x=l+b}Z(n);return r},toWireType:function(n,p){"string"!==typeof p&&V("Cannot pass non-string to C++ string type "+c);var q=h(p),r=zb(4+q+b);K[r>>2]=q>>k;g(p,r+4,q+b);null!==n&&n.push(Z,r);return r},argPackAdvance:8,
+readValueFromPointer:Ja,T:function(n){Z(n)}})},n:function(a,b,c,d,g,h){Ha[a]={name:U(b),la:Y(c,d),ma:Y(g,h),ba:[]}},f:function(a,b,c,d,g,h,m,k,n,p){Ha[a].ba.push({ea:U(b),ia:c,ga:Y(d,g),ha:h,ta:m,sa:Y(k,n),ua:p})},A:function(a,b){b=U(b);T(a,{za:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},g:Ua,C:function(a){if(0===a)return Va(ib());var b=hb[a];a=void 0===b?U(a):b;return Va(ib()[a])},B:function(a){4<a&&(X[a].aa+=1)},o:function(a,b,c,d){a||V("Cannot use deleted val. handle = "+
+a);a=X[a].value;var g=kb[b];if(!g){g="";for(var h=0;h<b;++h)g+=(0!==h?", ":"")+"arg"+h;var m="return function emval_allocator_"+b+"(constructor, argTypes, args) {\n";for(h=0;h<b;++h)m+="var argType"+h+" = requireRegisteredType(Module['HEAP32'][(argTypes >>> 2) + "+h+'], "parameter '+h+'");\nvar arg'+h+" = argType"+h+".readValueFromPointer(args);\nargs += argType"+h+"['argPackAdvance'];\n";g=(new Function("requireRegisteredType","Module","__emval_register",m+("var obj = new constructor("+g+");\nreturn __emval_register(obj);\n}\n")))(jb,
+f,Va);kb[b]=g}return g(a,c,d)},b:function(){C()},t:function(a,b,c){E.copyWithin(a,b,b+c)},e:function(a){a>>>=0;var b=E.length;if(2147483648<a)return!1;for(var c=1;4>=c;c*=2){var d=b*(1+.2/c);d=Math.min(d,a+100663296);d=Math.max(16777216,a,d);0<d%65536&&(d+=65536-d%65536);a:{try{D.grow(Math.min(2147483648,d)-I.byteLength+65535>>>16);ua(D.buffer);var g=1;break a}catch(h){}g=void 0}if(g)return!0}return!1},v:function(a,b){var c=0;mb().forEach(function(d,g){var h=b+c;g=H[a+4*g>>2]=h;for(h=0;h<d.length;++h)J[g++>>
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+a:D,s:function(){},u:function(a,b,c,d){return ub(a,b,c,d)}};
+(function(){function a(g){f.asm=g.exports;L=f.asm.E;M--;f.monitorRunDependencies&&f.monitorRunDependencies(M);0==M&&(null!==Ba&&(clearInterval(Ba),Ba=null),N&&(g=N,N=null,g()))}function b(g){a(g.instance)}function c(g){return Fa().then(function(h){return WebAssembly.instantiate(h,d)}).then(g,function(h){z("failed to asynchronously prepare wasm: "+h);C(h)})}var d={a:Ab};M++;f.monitorRunDependencies&&f.monitorRunDependencies(M);if(f.instantiateWasm)try{return f.instantiateWasm(d,a)}catch(g){return z("Module.instantiateWasm callback failed with error: "+
+g),!1}(function(){return A||"function"!==typeof WebAssembly.instantiateStreaming||Ca()||"function"!==typeof fetch?c(b):fetch(O,{credentials:"same-origin"}).then(function(g){return WebAssembly.instantiateStreaming(g,d).then(b,function(h){z("wasm streaming compile failed: "+h);z("falling back to ArrayBuffer instantiation");return c(b)})})})().catch(ba);return{}})();
+var yb=f.___wasm_call_ctors=function(){return(yb=f.___wasm_call_ctors=f.asm.F).apply(null,arguments)},zb=f._malloc=function(){return(zb=f._malloc=f.asm.G).apply(null,arguments)},Z=f._free=function(){return(Z=f._free=f.asm.H).apply(null,arguments)},eb=f.___getTypeName=function(){return(eb=f.___getTypeName=f.asm.I).apply(null,arguments)};f.___embind_register_native_and_builtin_types=function(){return(f.___embind_register_native_and_builtin_types=f.asm.J).apply(null,arguments)};
+f.dynCall_viijii=function(){return(f.dynCall_viijii=f.asm.K).apply(null,arguments)};f.dynCall_iiji=function(){return(f.dynCall_iiji=f.asm.L).apply(null,arguments)};f.dynCall_jiji=function(){return(f.dynCall_jiji=f.asm.M).apply(null,arguments)};f.dynCall_iiiiiijj=function(){return(f.dynCall_iiiiiijj=f.asm.N).apply(null,arguments)};f.dynCall_iiiiij=function(){return(f.dynCall_iiiiij=f.asm.O).apply(null,arguments)};f.dynCall_iiiiijj=function(){return(f.dynCall_iiiiijj=f.asm.P).apply(null,arguments)};
+var Bb;N=function Cb(){Bb||Db();Bb||(N=Cb)};
+function Db(){function a(){if(!Bb&&(Bb=!0,f.calledRun=!0,!fa)){P(xa);P(ya);aa(f);if(f.onRuntimeInitialized)f.onRuntimeInitialized();if(f.postRun)for("function"==typeof f.postRun&&(f.postRun=[f.postRun]);f.postRun.length;){var b=f.postRun.shift();za.unshift(b)}P(za)}}if(!(0<M)){if(f.preRun)for("function"==typeof f.preRun&&(f.preRun=[f.preRun]);f.preRun.length;)Aa();P(wa);0<M||(f.setStatus?(f.setStatus("Running..."),setTimeout(function(){setTimeout(function(){f.setStatus("")},1);a()},1)):a())}}
+f.run=Db;if(f.preInit)for("function"==typeof f.preInit&&(f.preInit=[f.preInit]);0<f.preInit.length;)f.preInit.pop()();noExitRuntime=!0;Db();
+
+
+  return jxl_enc.ready
+}
+);
+})();
+export default jxl_enc;

codecs/jxl/enc/jxl_enc_mt.d.ts

@@ -0,0 +1 @@
+export { default } from './jxl_enc';

codecs/jxl/enc/jxl_enc_mt.js

@@ -0,0 +1,111 @@
+
+var jxl_enc_mt = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(jxl_enc_mt) {
+  jxl_enc_mt = jxl_enc_mt || {};
+
+
+function e(){m.buffer!=n&&u(m.buffer);return aa}function v(){m.buffer!=n&&u(m.buffer);return ba}function x(){m.buffer!=n&&u(m.buffer);return ca}function ea(){m.buffer!=n&&u(m.buffer);return fa}function A(){m.buffer!=n&&u(m.buffer);return ha}function C(){m.buffer!=n&&u(m.buffer);return ia}function ja(){m.buffer!=n&&u(m.buffer);return ka}function la(){m.buffer!=n&&u(m.buffer);return ma}var D;D||(D=typeof jxl_enc_mt !== 'undefined' ? jxl_enc_mt : {});var na,oa;
+D.ready=new Promise(function(a,b){na=a;oa=b});var E={},F;for(F in D)D.hasOwnProperty(F)&&(E[F]=D[F]);var pa="./this.program",G=D.ENVIRONMENT_IS_PTHREAD||!1;G&&(n=D.buffer);var H="";function qa(a){return D.locateFile?D.locateFile(a,H):H+a}var ra;H=self.location.href;_scriptDir&&(H=_scriptDir);0!==H.indexOf("blob:")?H=H.substr(0,H.lastIndexOf("/")+1):H="";ra=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)};
+var sa=D.print||console.log.bind(console),J=D.printErr||console.warn.bind(console);for(F in E)E.hasOwnProperty(F)&&(D[F]=E[F]);E=null;D.thisProgram&&(pa=D.thisProgram);var ta;D.wasmBinary&&(ta=D.wasmBinary);var noExitRuntime;D.noExitRuntime&&(noExitRuntime=D.noExitRuntime);"object"!==typeof WebAssembly&&K("no native wasm support detected");var m,ua,threadInfoStruct=0,selfThreadId=0,va=!1;function wa(a,b){a||K("Assertion failed: "+b)}
+function xa(a,b,c){c=b+c;for(var d="";!(b>=c);){var f=a[b++];if(!f)break;if(f&128){var g=a[b++]&63;if(192==(f&224))d+=String.fromCharCode((f&31)<<6|g);else{var l=a[b++]&63;f=224==(f&240)?(f&15)<<12|g<<6|l:(f&7)<<18|g<<12|l<<6|a[b++]&63;65536>f?d+=String.fromCharCode(f):(f-=65536,d+=String.fromCharCode(55296|f>>10,56320|f&1023))}}else d+=String.fromCharCode(f)}return d}function L(a,b){return a?xa(v(),a,b):""}
+function ya(a,b,c,d){if(0<d){d=c+d-1;for(var f=0;f<a.length;++f){var g=a.charCodeAt(f);if(55296<=g&&57343>=g){var l=a.charCodeAt(++f);g=65536+((g&1023)<<10)|l&1023}if(127>=g){if(c>=d)break;b[c++]=g}else{if(2047>=g){if(c+1>=d)break;b[c++]=192|g>>6}else{if(65535>=g){if(c+2>=d)break;b[c++]=224|g>>12}else{if(c+3>=d)break;b[c++]=240|g>>18;b[c++]=128|g>>12&63}b[c++]=128|g>>6&63}b[c++]=128|g&63}}b[c]=0}}function za(a,b,c){ya(a,v(),b,c)}
+function Aa(a){for(var b=0,c=0;c<a.length;++c){var d=a.charCodeAt(c);55296<=d&&57343>=d&&(d=65536+((d&1023)<<10)|a.charCodeAt(++c)&1023);127>=d?++b:b=2047>=d?b+2:65535>=d?b+3:b+4}return b}function Ba(a,b){for(var c=0,d="";;){var f=x()[a+2*c>>1];if(0==f||c==b/2)return d;++c;d+=String.fromCharCode(f)}}function Ca(a,b,c){void 0===c&&(c=2147483647);if(2>c)return 0;c-=2;var d=b;c=c<2*a.length?c/2:a.length;for(var f=0;f<c;++f){var g=a.charCodeAt(f);x()[b>>1]=g;b+=2}x()[b>>1]=0;return b-d}
+function Da(a){return 2*a.length}function Ea(a,b){for(var c=0,d="";!(c>=b/4);){var f=A()[a+4*c>>2];if(0==f)break;++c;65536<=f?(f-=65536,d+=String.fromCharCode(55296|f>>10,56320|f&1023)):d+=String.fromCharCode(f)}return d}function Fa(a,b,c){void 0===c&&(c=2147483647);if(4>c)return 0;var d=b;c=d+c-4;for(var f=0;f<a.length;++f){var g=a.charCodeAt(f);if(55296<=g&&57343>=g){var l=a.charCodeAt(++f);g=65536+((g&1023)<<10)|l&1023}A()[b>>2]=g;b+=4;if(b+4>c)break}A()[b>>2]=0;return b-d}
+function Ga(a){for(var b=0,c=0;c<a.length;++c){var d=a.charCodeAt(c);55296<=d&&57343>=d&&++c;b+=4}return b}function Ha(a,b){e().set(a,b)}var n,aa,ba,ca,fa,ha,ia,ka,ma;function u(a){n=a;D.HEAP8=aa=new Int8Array(a);D.HEAP16=ca=new Int16Array(a);D.HEAP32=ha=new Int32Array(a);D.HEAPU8=ba=new Uint8Array(a);D.HEAPU16=fa=new Uint16Array(a);D.HEAPU32=ia=new Uint32Array(a);D.HEAPF32=ka=new Float32Array(a);D.HEAPF64=ma=new Float64Array(a)}var Ia=D.INITIAL_MEMORY||16777216;
+if(G)m=D.wasmMemory,n=D.buffer;else if(D.wasmMemory)m=D.wasmMemory;else if(m=new WebAssembly.Memory({initial:Ia/65536,maximum:32768,shared:!0}),!(m.buffer instanceof SharedArrayBuffer))throw J("requested a shared WebAssembly.Memory but the returned buffer is not a SharedArrayBuffer, indicating that while the browser has SharedArrayBuffer it does not have WebAssembly threads support - you may need to set a flag"),Error("bad memory");m&&(n=m.buffer);Ia=n.byteLength;u(n);var M,Ja=[],Ka=[],La=[],Ma=[];
+function Na(){var a=D.preRun.shift();Ja.unshift(a)}var N=0,Oa=null,Pa=null;D.preloadedImages={};D.preloadedAudios={};function K(a){if(D.onAbort)D.onAbort(a);G&&console.error("Pthread aborting at "+Error().stack);J(a);va=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");oa(a);throw a;}function Qa(){var a=O;return String.prototype.startsWith?a.startsWith("data:application/octet-stream;base64,"):0===a.indexOf("data:application/octet-stream;base64,")}var O="jxl_enc_mt.wasm";
+Qa()||(O=qa(O));function Ra(){try{if(ta)return new Uint8Array(ta);if(ra)return ra(O);throw"both async and sync fetching of the wasm failed";}catch(a){K(a)}}function Sa(){return ta||"function"!==typeof fetch?Promise.resolve().then(Ra):fetch(O,{credentials:"same-origin"}).then(function(a){if(!a.ok)throw"failed to load wasm binary file at '"+O+"'";return a.arrayBuffer()}).catch(function(){return Ra()})}var Ua={60805:function(a,b){setTimeout(function(){Ta(a,b)},0)},60883:function(){throw"Canceled!";}};
+function Va(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(D);else{var c=b.Bb;"number"===typeof c?void 0===b.Va?M.get(c)():M.get(c)(b.Va):c(void 0===b.Va?null:b.Va)}}}function Wa(a,b,c){var d;-1!=a.indexOf("j")?d=c&&c.length?D["dynCall_"+a].apply(null,[b].concat(c)):D["dynCall_"+a].call(null,b):d=M.get(b).apply(null,c);return d}D.dynCall=Wa;var P=0,Xa=0,Ya=0;function Za(a,b,c){P=a|0;Ya=b|0;Xa=c|0}D.registerPthreadPtr=Za;
+function $a(a,b){if(0>=a||a>e().length||a&1||0>b)return-28;if(0==b)return 0;2147483647<=b&&(b=Infinity);var c=Atomics.load(A(),Q.rb>>2),d=0;if(c==a&&Atomics.compareExchange(A(),Q.rb>>2,c,0)==c&&(--b,d=1,0>=b))return 1;a=Atomics.notify(A(),a>>2,b);if(0<=a)return a+d;throw"Atomics.notify returned an unexpected value "+a;}D._emscripten_futex_wake=$a;
+function ab(a){if(G)throw"Internal Error! cleanupThread() can only ever be called from main application thread!";if(!a)throw"Internal Error! Null pthread_ptr in cleanupThread!";A()[a+12>>2]=0;(a=Q.Oa[a])&&Q.bb(a.worker)}
+var Q={ic:1,pc:{ub:0,vb:0},Ma:[],Qa:[],Jb:function(){for(var a=navigator.hardwareConcurrency,b=0;b<a;++b)Q.lb()},Kb:function(){Q.Ka=R(232);for(var a=0;58>a;++a)C()[Q.Ka/4+a]=0;A()[Q.Ka+12>>2]=Q.Ka;a=Q.Ka+156;A()[a>>2]=a;var b=R(512);for(a=0;128>a;++a)C()[b/4+a]=0;Atomics.store(C(),Q.Ka+104>>2,b);Atomics.store(C(),Q.Ka+40>>2,Q.Ka);Atomics.store(C(),Q.Ka+44>>2,42);Q.pb();Za(Q.Ka,!1,1);bb(Q.Ka)},Lb:function(){Q.pb();na(D);Q.receiveObjectTransfer=Q.Qb;Q.setThreadStatus=Q.Rb;Q.threadCancel=Q.ac;Q.threadExit=
+Q.bc},pb:function(){Q.rb=cb},Oa:{},kb:[],Rb:function(){},tb:function(){for(;0<Q.kb.length;)Q.kb.pop()();G&&threadInfoStruct&&db()},bc:function(a){var b=P|0;b&&(Atomics.store(C(),b+4>>2,a),Atomics.store(C(),b+0>>2,1),Atomics.store(C(),b+60>>2,1),Atomics.store(C(),b+64>>2,0),Q.tb(),$a(b+0,2147483647),Za(0,0,0),threadInfoStruct=0,G&&postMessage({cmd:"exit"}))},ac:function(){Q.tb();Atomics.store(C(),threadInfoStruct+4>>2,-1);Atomics.store(C(),threadInfoStruct+0>>2,1);$a(threadInfoStruct+0,2147483647);
+threadInfoStruct=selfThreadId=0;Za(0,0,0);postMessage({cmd:"cancelDone"})},wc:function(){for(var a in Q.Oa){var b=Q.Oa[a];b&&b.worker&&Q.bb(b.worker)}Q.Oa={};for(a=0;a<Q.Ma.length;++a){var c=Q.Ma[a];c.terminate()}Q.Ma=[];for(a=0;a<Q.Qa.length;++a)c=Q.Qa[a],b=c.La,Q.ib(b),c.terminate();Q.Qa=[]},ib:function(a){if(a){if(a.threadInfoStruct){var b=A()[a.threadInfoStruct+104>>2];A()[a.threadInfoStruct+104>>2]=0;S(b);S(a.threadInfoStruct)}a.threadInfoStruct=0;a.gb&&a.Ra&&S(a.Ra);a.Ra=0;a.worker&&(a.worker.La=
+null)}},bb:function(a){delete Q.Oa[a.La.wb];Q.Ma.push(a);Q.Qa.splice(Q.Qa.indexOf(a),1);Q.ib(a.La);a.La=void 0},Qb:function(){},qb:function(a,b){a.onmessage=function(c){var d=c.data,f=d.cmd;a.La&&(Q.hb=a.La.threadInfoStruct);if(d.targetThread&&d.targetThread!=(P|0)){var g=Q.Oa[d.vc];g?g.worker.postMessage(c.data,d.transferList):console.error('Internal error! Worker sent a message "'+f+'" to target pthread '+d.targetThread+", but that thread no longer exists!")}else if("processQueuedMainThreadWork"===
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+if(!c)throw"Internal Error! Null pthread_ptr in cancelThread!";Q.Oa[c].worker.postMessage({cmd:"cancel"})}else"loaded"===f?(a.loaded=!0,b&&b(a),a.Xa&&(a.Xa(),delete a.Xa)):"print"===f?sa("Thread "+d.threadId+": "+d.text):"printErr"===f?J("Thread "+d.threadId+": "+d.text):"alert"===f?alert("Thread "+d.threadId+": "+d.text):"exit"===f?a.La&&Atomics.load(C(),a.La.wb+68>>2)&&Q.bb(a):"cancelDone"===f?Q.bb(a):"objectTransfer"!==f&&("setimmediate"===c.data.target?a.postMessage(c.data):J("worker sent an unknown command "+
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+b,c){c=ub(c);b=W(b);V(a,{name:b,fromWireType:function(d){return d},toWireType:function(d,f){if("number"!==typeof f&&"boolean"!==typeof f)throw new TypeError('Cannot convert "'+Ab(f)+'" to '+this.name);return f},argPackAdvance:8,readValueFromPointer:Bb(b,c),Pa:null})},v:function(a,b,c,d,f,g){var l=Fb(b,c);a=W(a);f=Hb(d,f);Eb(a,function(){Lb("Cannot call "+a+" due to unbound types",l)},b-1);tb([],l,function(k){var q=a,t=a;k=[k[0],null].concat(k.slice(1));var r=f,w=k.length;2>w&&X("argTypes array size mismatch! Must at least get return value and 'this' types!");
+for(var z=null!==k[1]&&!1,h=!1,p=1;p<k.length;++p)if(null!==k[p]&&void 0===k[p].Pa){h=!0;break}var y="void"!==k[0].name,B="",I="";for(p=0;p<w-2;++p)B+=(0!==p?", ":"")+"arg"+p,I+=(0!==p?", ":"")+"arg"+p+"Wired";t="return function "+pb(t)+"("+B+") {\nif (arguments.length !== "+(w-2)+") {\nthrowBindingError('function "+t+" called with ' + arguments.length + ' arguments, expected "+(w-2)+" args!');\n}\n";h&&(t+="var destructors = [];\n");var da=h?"destructors":"null";B="throwBindingError invoker fn runDestructors retType classParam".split(" ");
+r=[X,r,g,mb,k[0],k[1]];z&&(t+="var thisWired = classParam.toWireType("+da+", this);\n");for(p=0;p<w-2;++p)t+="var arg"+p+"Wired = argType"+p+".toWireType("+da+", arg"+p+"); // "+k[p+2].name+"\n",B.push("argType"+p),r.push(k[p+2]);z&&(I="thisWired"+(0<I.length?", ":"")+I);t+=(y?"var rv = ":"")+"invoker(fn"+(0<I.length?", ":"")+I+");\n";if(h)t+="runDestructors(destructors);\n";else for(p=z?1:2;p<k.length;++p)w=1===p?"thisWired":"arg"+(p-2)+"Wired",null!==k[p].Pa&&(t+=w+"_dtor("+w+"); // "+k[p].name+
+"\n",B.push(w+"_dtor"),r.push(k[p].Pa));y&&(t+="var ret = retType.fromWireType(rv);\nreturn ret;\n");B.push(t+"}\n");k=Cb(B).apply(null,r);p=b-1;if(!D.hasOwnProperty(q))throw new sb("Replacing nonexistant public symbol");void 0!==D[q].Na&&void 0!==p?D[q].Na[p]=k:(D[q]=k,D[q].yb=p);return[]})},j:function(a,b,c,d,f){function g(t){return t}b=W(b);-1===f&&(f=4294967295);var l=ub(c);if(0===d){var k=32-8*c;g=function(t){return t<<k>>>k}}var q=-1!=b.indexOf("unsigned");V(a,{name:b,fromWireType:g,toWireType:function(t,
+r){if("number"!==typeof r&&"boolean"!==typeof r)throw new TypeError('Cannot convert "'+Ab(r)+'" to '+this.name);if(r<d||r>f)throw new TypeError('Passing a number "'+Ab(r)+'" from JS side to C/C++ side to an argument of type "'+b+'", which is outside the valid range ['+d+", "+f+"]!");return q?r>>>0:r|0},argPackAdvance:8,readValueFromPointer:Mb(b,l,0!==d),Pa:null})},h:function(a,b,c){function d(g){g>>=2;var l=C();return new f(n,l[g+1],l[g])}var f=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,
+Uint32Array,Float32Array,Float64Array][b];c=W(c);V(a,{name:c,fromWireType:d,argPackAdvance:8,readValueFromPointer:d},{Gb:!0})},u:function(a,b){b=W(b);var c="std::string"===b;V(a,{name:b,fromWireType:function(d){var f=C()[d>>2];if(c)for(var g=d+4,l=0;l<=f;++l){var k=d+4+l;if(l==f||0==v()[k]){g=L(g,k-g);if(void 0===q)var q=g;else q+=String.fromCharCode(0),q+=g;g=k+1}}else{q=Array(f);for(l=0;l<f;++l)q[l]=String.fromCharCode(v()[d+4+l]);q=q.join("")}S(d);return q},toWireType:function(d,f){f instanceof
+ArrayBuffer&&(f=new Uint8Array(f));var g="string"===typeof f;g||f instanceof Uint8Array||f instanceof Uint8ClampedArray||f instanceof Int8Array||X("Cannot pass non-string to std::string");var l=(c&&g?function(){return Aa(f)}:function(){return f.length})(),k=R(4+l+1);C()[k>>2]=l;if(c&&g)za(f,k+4,l+1);else if(g)for(g=0;g<l;++g){var q=f.charCodeAt(g);255<q&&(S(k),X("String has UTF-16 code units that do not fit in 8 bits"));v()[k+4+g]=q}else for(g=0;g<l;++g)v()[k+4+g]=f[g];null!==d&&d.push(S,k);return k},
+argPackAdvance:8,readValueFromPointer:nb,Pa:function(d){S(d)}})},q:function(a,b,c){c=W(c);if(2===b){var d=Ba;var f=Ca;var g=Da;var l=function(){return ea()};var k=1}else 4===b&&(d=Ea,f=Fa,g=Ga,l=function(){return C()},k=2);V(a,{name:c,fromWireType:function(q){for(var t=C()[q>>2],r=l(),w,z=q+4,h=0;h<=t;++h){var p=q+4+h*b;if(h==t||0==r[p>>k])z=d(z,p-z),void 0===w?w=z:(w+=String.fromCharCode(0),w+=z),z=p+b}S(q);return w},toWireType:function(q,t){"string"!==typeof t&&X("Cannot pass non-string to C++ string type "+
+c);var r=g(t),w=R(4+r+b);C()[w>>2]=r>>k;f(t,w+4,r+b);null!==q&&q.push(S,w);return w},argPackAdvance:8,readValueFromPointer:nb,Pa:function(q){S(q)}})},x:function(a,b,c,d,f,g){lb[a]={name:W(b),Ob:Hb(c,d),Pb:Hb(f,g),ob:[]}},l:function(a,b,c,d,f,g,l,k,q,t){lb[a].ob.push({Ab:W(b),Fb:c,Db:Hb(d,f),Eb:g,Yb:l,Xb:Hb(k,q),Zb:t})},T:function(a,b){b=W(b);V(a,{oc:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},H:function(a,b){if(a==b)postMessage({cmd:"processQueuedMainThreadWork"});
+else if(G)postMessage({targetThread:a,cmd:"processThreadQueue"});else{a=(a=Q.Oa[a])&&a.worker;if(!a)return;a.postMessage({cmd:"processThreadQueue"})}return 1},m:yb,W:function(a){if(0===a)return zb(Ob());var b=Nb[a];a=void 0===b?W(a):b;return zb(Ob()[a])},V:function(a){4<a&&(Y[a].jb+=1)},y:function(a,b,c,d){a||X("Cannot use deleted val. handle = "+a);a=Y[a].value;var f=Qb[b];if(!f){f="";for(var g=0;g<b;++g)f+=(0!==g?", ":"")+"arg"+g;var l="return function emval_allocator_"+b+"(constructor, argTypes, args) {\n";
+for(g=0;g<b;++g)l+="var argType"+g+" = requireRegisteredType(Module['HEAP32'][(argTypes >>> 2) + "+g+'], "parameter '+g+'");\nvar arg'+g+" = argType"+g+".readValueFromPointer(args);\nargs += argType"+g+"['argPackAdvance'];\n";f=(new Function("requireRegisteredType","Module","__emval_register",l+("var obj = new constructor("+f+");\nreturn __emval_register(obj);\n}\n")))(Pb,D,zb);Qb[b]=f}return f(a,c,d)},b:function(){K()},n:function(a,b,c){Wb.length=0;var d;for(c>>=2;d=v()[b++];)(d=105>d)&&c&1&&c++,
+Wb.push(d?la()[c++>>1]:A()[c]),++c;return Ua[a].apply(null,Wb)},J:function(){},r:function(){},f:Rb,g:$a,d:hb,p:function(){return Ya|0},o:function(){return Xa|0},C:function(a,b,c){v().copyWithin(a,b,b+c)},E:function(a,b,c){Vb.length=b;c>>=3;for(var d=0;d<b;d++)Vb[d]=la()[c+d];return(0>a?Ua[-a-1]:Cc[a]).apply(null,Vb)},k:function(a){a>>>=0;var b=v().length;if(a<=b||2147483648<a)return!1;for(var c=1;4>=c;c*=2){var d=b*(1+.2/c);d=Math.min(d,a+100663296);d=Math.max(16777216,a,d);0<d%65536&&(d+=65536-d%
+65536);a:{try{m.grow(Math.min(2147483648,d)-n.byteLength+65535>>>16);u(m.buffer);var f=1;break a}catch(g){}f=void 0}if(f)return!0}return!1},F:function(a,b,c){return Yb(a)?Zb(a,b,c):ac(a,b,c)},e:function(){},G:function(a,b){var c={};b>>=2;c.alpha=!!A()[b];c.depth=!!A()[b+1];c.stencil=!!A()[b+2];c.antialias=!!A()[b+3];c.premultipliedAlpha=!!A()[b+4];c.preserveDrawingBuffer=!!A()[b+5];var d=A()[b+6];c.powerPreference=gc[d];c.failIfMajorPerformanceCaveat=!!A()[b+7];c.Mb=A()[b+8];c.qc=A()[b+9];c.nb=A()[b+
+10];c.zb=A()[b+11];c.tc=A()[b+12];c.uc=A()[b+13];a=Yb(a);!a||c.zb?c=0:(a=a.getContext("webgl",c))?(b=R(8),A()[b+4>>2]=P|0,d={nc:b,attributes:c,version:c.Mb,Za:a},a.canvas&&(a.canvas.$a=d),("undefined"===typeof c.nb||c.nb)&&ec(d),c=b):c=0;return c},O:function(a,b){var c=0;ic().forEach(function(d,f){var g=b+c;f=A()[a+4*f>>2]=g;for(g=0;g<d.length;++g)e()[f++>>0]=d.charCodeAt(g);e()[f>>0]=0;c+=d.length+1});return 0},P:function(a,b){var c=ic();A()[a>>2]=c.length;var d=0;c.forEach(function(f){d+=f.length+
+1});A()[b>>2]=d;return 0},Q:lc,z:mc,s:nc,B:function(){Q.Kb()},a:m||D.wasmMemory,D:ib,U:function(a,b,c,d){if("undefined"===typeof SharedArrayBuffer)return J("Current environment does not support SharedArrayBuffer, pthreads are not available!"),6;if(!a)return J("pthread_create called with a null thread pointer!"),28;var f=[];if(G&&0===f.length)return Ec(687865856,a,b,c,d);var g=0,l=0,k=0,q=0;if(b){var t=A()[b>>2];t+=81920;g=A()[b+8>>2];l=0!==A()[b+12>>2];if(0===A()[b+16>>2]){var r=A()[b+20>>2],w=A()[b+
+24>>2];k=b+20;q=b+24;var z=Q.hb?Q.hb:P|0;if(k||q)if(z)if(A()[z+12>>2]!==z)J("pthread_getschedparam attempted on thread "+z+", which does not point to a valid thread, or does not exist anymore!");else{var h=Atomics.load(C(),z+108+20>>2);z=Atomics.load(C(),z+108+24>>2);k&&(A()[k>>2]=h);q&&(A()[q>>2]=z)}else J("pthread_getschedparam called with a null thread pointer!");k=A()[b+20>>2];q=A()[b+24>>2];A()[b+20>>2]=r;A()[b+24>>2]=w}else k=A()[b+20>>2],q=A()[b+24>>2]}else t=2097152;(b=0==g)?g=Fc(16,t):(g-=
+t,wa(0<g));r=R(232);for(w=0;58>w;++w)C()[(r>>2)+w]=0;A()[a>>2]=r;A()[r+12>>2]=r;a=r+156;A()[a>>2]=a;c={Ra:g,Ta:t,gb:b,ub:k,vb:q,mb:l,$b:c,Sa:r,Nb:P|0,Va:d,hc:f};G?(c.kc="spawnThread",postMessage(c,f)):fb(c);return 0},L:function(a,b){return qc(a,b)},c:pc,A:function(){},N:function(a,b,c,d){return wc(a,b,c,d)},M:yc};
+(function(){function a(f,g){D.asm=f.exports;M=D.asm.Y;ua=g;if(!G){var l=Q.Ma.length;Q.Ma.forEach(function(k){Q.qb(k,function(){if(!--l&&(N--,D.monitorRunDependencies&&D.monitorRunDependencies(N),0==N&&(null!==Oa&&(clearInterval(Oa),Oa=null),Pa))){var q=Pa;Pa=null;q()}})})}}function b(f){a(f.instance,f.module)}function c(f){return Sa().then(function(g){return WebAssembly.instantiate(g,d)}).then(f,function(g){J("failed to asynchronously prepare wasm: "+g);K(g)})}var d={a:Gc};G||(wa(!G,"addRunDependency cannot be used in a pthread worker"),
+N++,D.monitorRunDependencies&&D.monitorRunDependencies(N));if(D.instantiateWasm)try{return D.instantiateWasm(d,a)}catch(f){return J("Module.instantiateWasm callback failed with error: "+f),!1}(function(){return ta||"function"!==typeof WebAssembly.instantiateStreaming||Qa()||"function"!==typeof fetch?c(b):fetch(O,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,d).then(b,function(g){J("wasm streaming compile failed: "+g);J("falling back to ArrayBuffer instantiation");
+return c(b)})})})().catch(oa);return{}})();var Dc=D.___wasm_call_ctors=function(){return(Dc=D.___wasm_call_ctors=D.asm.Z).apply(null,arguments)},R=D._malloc=function(){return(R=D._malloc=D.asm._).apply(null,arguments)},S=D._free=function(){return(S=D._free=D.asm.$).apply(null,arguments)},zc=D.___errno_location=function(){return(zc=D.___errno_location=D.asm.aa).apply(null,arguments)},Kb=D.___getTypeName=function(){return(Kb=D.___getTypeName=D.asm.ba).apply(null,arguments)};
+D.___embind_register_native_and_builtin_types=function(){return(D.___embind_register_native_and_builtin_types=D.asm.ca).apply(null,arguments)};D.___em_js__initPthreadsJS=function(){return(D.___em_js__initPthreadsJS=D.asm.da).apply(null,arguments)};
+var oc=D._emscripten_get_global_libc=function(){return(oc=D._emscripten_get_global_libc=D.asm.ea).apply(null,arguments)},Sb=D.stackSave=function(){return(Sb=D.stackSave=D.asm.fa).apply(null,arguments)},gb=D.stackRestore=function(){return(gb=D.stackRestore=D.asm.ga).apply(null,arguments)},Tb=D.stackAlloc=function(){return(Tb=D.stackAlloc=D.asm.ha).apply(null,arguments)},Fc=D._memalign=function(){return(Fc=D._memalign=D.asm.ia).apply(null,arguments)};
+D._emscripten_main_browser_thread_id=function(){return(D._emscripten_main_browser_thread_id=D.asm.ja).apply(null,arguments)};var db=D.___pthread_tsd_run_dtors=function(){return(db=D.___pthread_tsd_run_dtors=D.asm.ka).apply(null,arguments)},eb=D._emscripten_main_thread_process_queued_calls=function(){return(eb=D._emscripten_main_thread_process_queued_calls=D.asm.la).apply(null,arguments)};
+D._emscripten_current_thread_process_queued_calls=function(){return(D._emscripten_current_thread_process_queued_calls=D.asm.ma).apply(null,arguments)};var bb=D._emscripten_register_main_browser_thread_id=function(){return(bb=D._emscripten_register_main_browser_thread_id=D.asm.na).apply(null,arguments)},Ta=D._do_emscripten_dispatch_to_thread=function(){return(Ta=D._do_emscripten_dispatch_to_thread=D.asm.oa).apply(null,arguments)};
+D._emscripten_async_run_in_main_thread=function(){return(D._emscripten_async_run_in_main_thread=D.asm.pa).apply(null,arguments)};D._emscripten_sync_run_in_main_thread=function(){return(D._emscripten_sync_run_in_main_thread=D.asm.qa).apply(null,arguments)};D._emscripten_sync_run_in_main_thread_0=function(){return(D._emscripten_sync_run_in_main_thread_0=D.asm.ra).apply(null,arguments)};
+D._emscripten_sync_run_in_main_thread_1=function(){return(D._emscripten_sync_run_in_main_thread_1=D.asm.sa).apply(null,arguments)};D._emscripten_sync_run_in_main_thread_2=function(){return(D._emscripten_sync_run_in_main_thread_2=D.asm.ta).apply(null,arguments)};D._emscripten_sync_run_in_main_thread_xprintf_varargs=function(){return(D._emscripten_sync_run_in_main_thread_xprintf_varargs=D.asm.ua).apply(null,arguments)};
+D._emscripten_sync_run_in_main_thread_3=function(){return(D._emscripten_sync_run_in_main_thread_3=D.asm.va).apply(null,arguments)};var Ec=D._emscripten_sync_run_in_main_thread_4=function(){return(Ec=D._emscripten_sync_run_in_main_thread_4=D.asm.wa).apply(null,arguments)};D._emscripten_sync_run_in_main_thread_5=function(){return(D._emscripten_sync_run_in_main_thread_5=D.asm.xa).apply(null,arguments)};
+D._emscripten_sync_run_in_main_thread_6=function(){return(D._emscripten_sync_run_in_main_thread_6=D.asm.ya).apply(null,arguments)};D._emscripten_sync_run_in_main_thread_7=function(){return(D._emscripten_sync_run_in_main_thread_7=D.asm.za).apply(null,arguments)};
+var Ub=D._emscripten_run_in_main_runtime_thread_js=function(){return(Ub=D._emscripten_run_in_main_runtime_thread_js=D.asm.Aa).apply(null,arguments)},$b=D.__emscripten_call_on_thread=function(){return($b=D.__emscripten_call_on_thread=D.asm.Ba).apply(null,arguments)};D._emscripten_tls_init=function(){return(D._emscripten_tls_init=D.asm.Ca).apply(null,arguments)};D.dynCall_viijii=function(){return(D.dynCall_viijii=D.asm.Da).apply(null,arguments)};
+D.dynCall_iiji=function(){return(D.dynCall_iiji=D.asm.Ea).apply(null,arguments)};D.dynCall_jiji=function(){return(D.dynCall_jiji=D.asm.Fa).apply(null,arguments)};D.dynCall_iiiiiijj=function(){return(D.dynCall_iiiiiijj=D.asm.Ga).apply(null,arguments)};D.dynCall_iiiiij=function(){return(D.dynCall_iiiiij=D.asm.Ha).apply(null,arguments)};D.dynCall_iiiiijj=function(){return(D.dynCall_iiiiijj=D.asm.Ia).apply(null,arguments)};var cb=D._main_thread_futex=4639544;D.PThread=Q;D.PThread=Q;D._pthread_self=pc;
+D.wasmMemory=m;D.ExitStatus=Hc;var Ic;function Hc(a){this.name="ExitStatus";this.message="Program terminated with exit("+a+")";this.status=a}Pa=function Jc(){Ic||Kc();Ic||(Pa=Jc)};
+function Kc(){function a(){if(!Ic&&(Ic=!0,D.calledRun=!0,!va)){Va(Ka);G||Va(La);na(D);if(D.onRuntimeInitialized)D.onRuntimeInitialized();if(!G){if(D.postRun)for("function"==typeof D.postRun&&(D.postRun=[D.postRun]);D.postRun.length;){var b=D.postRun.shift();Ma.unshift(b)}Va(Ma)}}}if(!(0<N)){if(!G){if(D.preRun)for("function"==typeof D.preRun&&(D.preRun=[D.preRun]);D.preRun.length;)Na();Va(Ja)}0<N||(D.setStatus?(D.setStatus("Running..."),setTimeout(function(){setTimeout(function(){D.setStatus("")},
+1);a()},1)):a())}}D.run=Kc;if(D.preInit)for("function"==typeof D.preInit&&(D.preInit=[D.preInit]);0<D.preInit.length;)D.preInit.pop()();G||(noExitRuntime=!0);G?Q.Lb():Kc();
+
+
+  return jxl_enc_mt.ready
+}
+);
+})();
+export default jxl_enc_mt;

codecs/jxl/enc/jxl_enc_mt.worker.js

@@ -0,0 +1 @@
+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(jxl_enc_mt){return jxl_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/jxl/enc/jxl_enc_mt_simd.d.ts

@@ -0,0 +1 @@
+export { default } from './jxl_enc';

codecs/jxl/enc/jxl_enc_mt_simd.js

@@ -0,0 +1,112 @@
+
+var jxl_enc_mt_simd = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(jxl_enc_mt_simd) {
+  jxl_enc_mt_simd = jxl_enc_mt_simd || {};
+
+
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+c);var r=g(t),w=R(4+r+b);C()[w>>2]=r>>k;f(t,w+4,r+b);null!==q&&q.push(S,w);return w},argPackAdvance:8,readValueFromPointer:nb,Pa:function(q){S(q)}})},x:function(a,b,c,d,f,g){lb[a]={name:W(b),Ob:Hb(c,d),Pb:Hb(f,g),ob:[]}},l:function(a,b,c,d,f,g,l,k,q,t){lb[a].ob.push({Ab:W(b),Fb:c,Db:Hb(d,f),Eb:g,Yb:l,Xb:Hb(k,q),Zb:t})},T:function(a,b){b=W(b);V(a,{oc:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},H:function(a,b){if(a==b)postMessage({cmd:"processQueuedMainThreadWork"});
+else if(G)postMessage({targetThread:a,cmd:"processThreadQueue"});else{a=(a=Q.Oa[a])&&a.worker;if(!a)return;a.postMessage({cmd:"processThreadQueue"})}return 1},m:yb,W:function(a){if(0===a)return zb(Ob());var b=Nb[a];a=void 0===b?W(a):b;return zb(Ob()[a])},V:function(a){4<a&&(Y[a].jb+=1)},y:function(a,b,c,d){a||X("Cannot use deleted val. handle = "+a);a=Y[a].value;var f=Qb[b];if(!f){f="";for(var g=0;g<b;++g)f+=(0!==g?", ":"")+"arg"+g;var l="return function emval_allocator_"+b+"(constructor, argTypes, args) {\n";
+for(g=0;g<b;++g)l+="var argType"+g+" = requireRegisteredType(Module['HEAP32'][(argTypes >>> 2) + "+g+'], "parameter '+g+'");\nvar arg'+g+" = argType"+g+".readValueFromPointer(args);\nargs += argType"+g+"['argPackAdvance'];\n";f=(new Function("requireRegisteredType","Module","__emval_register",l+("var obj = new constructor("+f+");\nreturn __emval_register(obj);\n}\n")))(Pb,D,zb);Qb[b]=f}return f(a,c,d)},b:function(){K()},n:function(a,b,c){Wb.length=0;var d;for(c>>=2;d=v()[b++];)(d=105>d)&&c&1&&c++,
+Wb.push(d?la()[c++>>1]:A()[c]),++c;return Ua[a].apply(null,Wb)},J:function(){},r:function(){},f:Rb,g:$a,d:hb,p:function(){return Ya|0},o:function(){return Xa|0},C:function(a,b,c){v().copyWithin(a,b,b+c)},E:function(a,b,c){Vb.length=b;c>>=3;for(var d=0;d<b;d++)Vb[d]=la()[c+d];return(0>a?Ua[-a-1]:Cc[a]).apply(null,Vb)},k:function(a){a>>>=0;var b=v().length;if(a<=b||2147483648<a)return!1;for(var c=1;4>=c;c*=2){var d=b*(1+.2/c);d=Math.min(d,a+100663296);d=Math.max(16777216,a,d);0<d%65536&&(d+=65536-d%
+65536);a:{try{m.grow(Math.min(2147483648,d)-n.byteLength+65535>>>16);u(m.buffer);var f=1;break a}catch(g){}f=void 0}if(f)return!0}return!1},F:function(a,b,c){return Yb(a)?Zb(a,b,c):ac(a,b,c)},e:function(){},G:function(a,b){var c={};b>>=2;c.alpha=!!A()[b];c.depth=!!A()[b+1];c.stencil=!!A()[b+2];c.antialias=!!A()[b+3];c.premultipliedAlpha=!!A()[b+4];c.preserveDrawingBuffer=!!A()[b+5];var d=A()[b+6];c.powerPreference=gc[d];c.failIfMajorPerformanceCaveat=!!A()[b+7];c.Mb=A()[b+8];c.qc=A()[b+9];c.nb=A()[b+
+10];c.zb=A()[b+11];c.tc=A()[b+12];c.uc=A()[b+13];a=Yb(a);!a||c.zb?c=0:(a=a.getContext("webgl",c))?(b=R(8),A()[b+4>>2]=P|0,d={nc:b,attributes:c,version:c.Mb,Za:a},a.canvas&&(a.canvas.$a=d),("undefined"===typeof c.nb||c.nb)&&ec(d),c=b):c=0;return c},O:function(a,b){var c=0;ic().forEach(function(d,f){var g=b+c;f=A()[a+4*f>>2]=g;for(g=0;g<d.length;++g)e()[f++>>0]=d.charCodeAt(g);e()[f>>0]=0;c+=d.length+1});return 0},P:function(a,b){var c=ic();A()[a>>2]=c.length;var d=0;c.forEach(function(f){d+=f.length+
+1});A()[b>>2]=d;return 0},Q:lc,z:mc,s:nc,B:function(){Q.Kb()},a:m||D.wasmMemory,D:ib,U:function(a,b,c,d){if("undefined"===typeof SharedArrayBuffer)return J("Current environment does not support SharedArrayBuffer, pthreads are not available!"),6;if(!a)return J("pthread_create called with a null thread pointer!"),28;var f=[];if(G&&0===f.length)return Ec(687865856,a,b,c,d);var g=0,l=0,k=0,q=0;if(b){var t=A()[b>>2];t+=81920;g=A()[b+8>>2];l=0!==A()[b+12>>2];if(0===A()[b+16>>2]){var r=A()[b+20>>2],w=A()[b+
+24>>2];k=b+20;q=b+24;var z=Q.hb?Q.hb:P|0;if(k||q)if(z)if(A()[z+12>>2]!==z)J("pthread_getschedparam attempted on thread "+z+", which does not point to a valid thread, or does not exist anymore!");else{var h=Atomics.load(C(),z+108+20>>2);z=Atomics.load(C(),z+108+24>>2);k&&(A()[k>>2]=h);q&&(A()[q>>2]=z)}else J("pthread_getschedparam called with a null thread pointer!");k=A()[b+20>>2];q=A()[b+24>>2];A()[b+20>>2]=r;A()[b+24>>2]=w}else k=A()[b+20>>2],q=A()[b+24>>2]}else t=2097152;(b=0==g)?g=Fc(16,t):(g-=
+t,wa(0<g));r=R(232);for(w=0;58>w;++w)C()[(r>>2)+w]=0;A()[a>>2]=r;A()[r+12>>2]=r;a=r+156;A()[a>>2]=a;c={Ra:g,Ta:t,gb:b,ub:k,vb:q,mb:l,$b:c,Sa:r,Nb:P|0,Va:d,hc:f};G?(c.kc="spawnThread",postMessage(c,f)):fb(c);return 0},L:function(a,b){return qc(a,b)},c:pc,A:function(){},N:function(a,b,c,d){return wc(a,b,c,d)},M:yc};
+(function(){function a(f,g){D.asm=f.exports;M=D.asm.Y;ua=g;if(!G){var l=Q.Ma.length;Q.Ma.forEach(function(k){Q.qb(k,function(){if(!--l&&(N--,D.monitorRunDependencies&&D.monitorRunDependencies(N),0==N&&(null!==Oa&&(clearInterval(Oa),Oa=null),Pa))){var q=Pa;Pa=null;q()}})})}}function b(f){a(f.instance,f.module)}function c(f){return Sa().then(function(g){return WebAssembly.instantiate(g,d)}).then(f,function(g){J("failed to asynchronously prepare wasm: "+g);K(g)})}var d={a:Gc};G||(wa(!G,"addRunDependency cannot be used in a pthread worker"),
+N++,D.monitorRunDependencies&&D.monitorRunDependencies(N));if(D.instantiateWasm)try{return D.instantiateWasm(d,a)}catch(f){return J("Module.instantiateWasm callback failed with error: "+f),!1}(function(){return ta||"function"!==typeof WebAssembly.instantiateStreaming||Qa()||"function"!==typeof fetch?c(b):fetch(O,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,d).then(b,function(g){J("wasm streaming compile failed: "+g);J("falling back to ArrayBuffer instantiation");
+return c(b)})})})().catch(oa);return{}})();var Dc=D.___wasm_call_ctors=function(){return(Dc=D.___wasm_call_ctors=D.asm.Z).apply(null,arguments)},R=D._malloc=function(){return(R=D._malloc=D.asm._).apply(null,arguments)},S=D._free=function(){return(S=D._free=D.asm.$).apply(null,arguments)},zc=D.___errno_location=function(){return(zc=D.___errno_location=D.asm.aa).apply(null,arguments)},Kb=D.___getTypeName=function(){return(Kb=D.___getTypeName=D.asm.ba).apply(null,arguments)};
+D.___embind_register_native_and_builtin_types=function(){return(D.___embind_register_native_and_builtin_types=D.asm.ca).apply(null,arguments)};D.___em_js__initPthreadsJS=function(){return(D.___em_js__initPthreadsJS=D.asm.da).apply(null,arguments)};
+var oc=D._emscripten_get_global_libc=function(){return(oc=D._emscripten_get_global_libc=D.asm.ea).apply(null,arguments)},Sb=D.stackSave=function(){return(Sb=D.stackSave=D.asm.fa).apply(null,arguments)},gb=D.stackRestore=function(){return(gb=D.stackRestore=D.asm.ga).apply(null,arguments)},Tb=D.stackAlloc=function(){return(Tb=D.stackAlloc=D.asm.ha).apply(null,arguments)},Fc=D._memalign=function(){return(Fc=D._memalign=D.asm.ia).apply(null,arguments)};
+D._emscripten_main_browser_thread_id=function(){return(D._emscripten_main_browser_thread_id=D.asm.ja).apply(null,arguments)};var db=D.___pthread_tsd_run_dtors=function(){return(db=D.___pthread_tsd_run_dtors=D.asm.ka).apply(null,arguments)},eb=D._emscripten_main_thread_process_queued_calls=function(){return(eb=D._emscripten_main_thread_process_queued_calls=D.asm.la).apply(null,arguments)};
+D._emscripten_current_thread_process_queued_calls=function(){return(D._emscripten_current_thread_process_queued_calls=D.asm.ma).apply(null,arguments)};var bb=D._emscripten_register_main_browser_thread_id=function(){return(bb=D._emscripten_register_main_browser_thread_id=D.asm.na).apply(null,arguments)},Ta=D._do_emscripten_dispatch_to_thread=function(){return(Ta=D._do_emscripten_dispatch_to_thread=D.asm.oa).apply(null,arguments)};
+D._emscripten_async_run_in_main_thread=function(){return(D._emscripten_async_run_in_main_thread=D.asm.pa).apply(null,arguments)};D._emscripten_sync_run_in_main_thread=function(){return(D._emscripten_sync_run_in_main_thread=D.asm.qa).apply(null,arguments)};D._emscripten_sync_run_in_main_thread_0=function(){return(D._emscripten_sync_run_in_main_thread_0=D.asm.ra).apply(null,arguments)};
+D._emscripten_sync_run_in_main_thread_1=function(){return(D._emscripten_sync_run_in_main_thread_1=D.asm.sa).apply(null,arguments)};D._emscripten_sync_run_in_main_thread_2=function(){return(D._emscripten_sync_run_in_main_thread_2=D.asm.ta).apply(null,arguments)};D._emscripten_sync_run_in_main_thread_xprintf_varargs=function(){return(D._emscripten_sync_run_in_main_thread_xprintf_varargs=D.asm.ua).apply(null,arguments)};
+D._emscripten_sync_run_in_main_thread_3=function(){return(D._emscripten_sync_run_in_main_thread_3=D.asm.va).apply(null,arguments)};var Ec=D._emscripten_sync_run_in_main_thread_4=function(){return(Ec=D._emscripten_sync_run_in_main_thread_4=D.asm.wa).apply(null,arguments)};D._emscripten_sync_run_in_main_thread_5=function(){return(D._emscripten_sync_run_in_main_thread_5=D.asm.xa).apply(null,arguments)};
+D._emscripten_sync_run_in_main_thread_6=function(){return(D._emscripten_sync_run_in_main_thread_6=D.asm.ya).apply(null,arguments)};D._emscripten_sync_run_in_main_thread_7=function(){return(D._emscripten_sync_run_in_main_thread_7=D.asm.za).apply(null,arguments)};
+var Ub=D._emscripten_run_in_main_runtime_thread_js=function(){return(Ub=D._emscripten_run_in_main_runtime_thread_js=D.asm.Aa).apply(null,arguments)},$b=D.__emscripten_call_on_thread=function(){return($b=D.__emscripten_call_on_thread=D.asm.Ba).apply(null,arguments)};D._emscripten_tls_init=function(){return(D._emscripten_tls_init=D.asm.Ca).apply(null,arguments)};D.dynCall_viijii=function(){return(D.dynCall_viijii=D.asm.Da).apply(null,arguments)};
+D.dynCall_iiji=function(){return(D.dynCall_iiji=D.asm.Ea).apply(null,arguments)};D.dynCall_jiji=function(){return(D.dynCall_jiji=D.asm.Fa).apply(null,arguments)};D.dynCall_iiiiiijj=function(){return(D.dynCall_iiiiiijj=D.asm.Ga).apply(null,arguments)};D.dynCall_iiiiij=function(){return(D.dynCall_iiiiij=D.asm.Ha).apply(null,arguments)};D.dynCall_iiiiijj=function(){return(D.dynCall_iiiiijj=D.asm.Ia).apply(null,arguments)};var cb=D._main_thread_futex=4639672;D.PThread=Q;D.PThread=Q;D._pthread_self=pc;
+D.wasmMemory=m;D.ExitStatus=Hc;var Ic;function Hc(a){this.name="ExitStatus";this.message="Program terminated with exit("+a+")";this.status=a}Pa=function Jc(){Ic||Kc();Ic||(Pa=Jc)};
+function Kc(){function a(){if(!Ic&&(Ic=!0,D.calledRun=!0,!va)){Va(Ka);G||Va(La);na(D);if(D.onRuntimeInitialized)D.onRuntimeInitialized();if(!G){if(D.postRun)for("function"==typeof D.postRun&&(D.postRun=[D.postRun]);D.postRun.length;){var b=D.postRun.shift();Ma.unshift(b)}Va(Ma)}}}if(!(0<N)){if(!G){if(D.preRun)for("function"==typeof D.preRun&&(D.preRun=[D.preRun]);D.preRun.length;)Na();Va(Ja)}0<N||(D.setStatus?(D.setStatus("Running..."),setTimeout(function(){setTimeout(function(){D.setStatus("")},
+1);a()},1)):a())}}D.run=Kc;if(D.preInit)for("function"==typeof D.preInit&&(D.preInit=[D.preInit]);0<D.preInit.length;)D.preInit.pop()();G||(noExitRuntime=!0);G?Q.Lb():Kc();
+
+
+  return jxl_enc_mt_simd.ready
+}
+);
+})();
+export default jxl_enc_mt_simd;