Demo

Merge branch 'dev' into urls
Update lib/client-bundle-plugin.js
2021-06-01 14:53:11 +01:00 · 2021-05-26 21:08:28 +01:00 · 2021-05-26 21:08:17 +01:00 · 2021-05-26 17:14:53 +01:00 · 2021-05-25 14:29:42 +01:00 · 2021-05-25 12:04:23 +00:00
543 changed files with 27555 additions and 26275 deletions
--- a/.clang-format
+++ b/.clang-format
@@ -0,0 +1,2 @@
+BasedOnStyle: Chromium
+ColumnLimit: 100
--- a/.editorconfig
+++ b/.editorconfig
@@ -7,3 +7,6 @@ end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
+
+[Makefile]
+indent_style = tab
--- a/.gitattributes
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+/codecs/**/*.js linguist-generated=true
+/codecs/*/pkg*/*.d.ts linguist-generated=true
--- a/.github/workflows/node.js.yml
+++ b/.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
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +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
--- a/.nvmrc
+++ b/.nvmrc
@@ -0,0 +1 @@
+14.15.1
--- a/.prettierignore
+++ b/.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
--- a/.prettierrc.json
+++ b/.prettierrc.json
@@ -0,0 +1,4 @@
+{
+  "singleQuote": true,
+  "trailingComma": "all"
+}
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,7 +0,0 @@
-language: node_js
-node_js:
- node
- 10
- 8
-cache: npm
-script: npm run build
--- a/README.md
+++ b/README.md
@@ -3,13 +3,18 @@
 [Squoosh] is an image compression web app that allows you to dive into the advanced options provided
 by various image compressors.

+# API & CLI
+
+Squoosh now has [an API](https://github.com/GoogleChromeLabs/squoosh/tree/dev/libsquoosh) and [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
+- [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.

@@ -25,7 +30,7 @@ npm run build
 You can run the development server with:

 ```sh
-npm start
+npm run dev
 ```

-[Squoosh]: https://squoosh.app
+[squoosh]: https://squoosh.app
--- a/_headers.ejs
+++ b/_headers.ejs
@@ -1,18 +0,0 @@
-# Long-term cache by default.
-/*
-  Cache-Control: max-age=31536000
-
-# And here are the exceptions:
-/
-  Cache-Control: no-cache
-
-/serviceworker.js
-  Cache-Control: no-cache
-
-/manifest.json
-  Cache-Control: must-revalidate, max-age=3600
-
-# URLs in /assets do not include a hash and are mutable.
-# But it isn't a big deal if the user gets an old version.
-/assets/*
-  Cache-Control: must-revalidate, max-age=3600
--- a/_redirects.ejs
+++ b/_redirects.ejs
@@ -1,2 +0,0 @@
-/index.html / 301
-/* /index.html 301
--- a/cli/.gitignore
+++ b/cli/.gitignore
@@ -0,0 +1,3 @@
+node_modules
+build
+.DS_Store
--- a/cli/.npmignore
+++ b/cli/.npmignore
@@ -0,0 +1 @@
+node_modules
--- a/cli/.npmrc
+++ b/cli/.npmrc
--- a/cli/README.md
+++ b/cli/README.md
@@ -0,0 +1,59 @@
+# 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/libsquoosh/src/codecs.js
+[butteraugli]: https://github.com/google/butteraugli
--- a/cli/package-lock.json
+++ b/cli/package-lock.json
@@ -0,0 +1,595 @@
+{
+  "name": "@squoosh/cli",
+  "version": "0.7.0",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "@squoosh/cli",
+      "version": "0.7.0",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@squoosh/lib": "^0.2.0",
+        "commander": "^7.2.0",
+        "json5": "^2.2.0",
+        "kleur": "^4.1.4",
+        "ora": "^5.4.0"
+      },
+      "bin": {
+        "cli": "src/index.js",
+        "squoosh-cli": "src/index.js"
+      }
+    },
+    "node_modules/@squoosh/lib": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/@squoosh/lib/-/lib-0.2.0.tgz",
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+      "dependencies": {
+        "web-streams-polyfill": "^3.0.3"
+      }
+    },
+    "node_modules/ansi-regex": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-5.0.0.tgz",
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+      "requires": {
+        "defaults": "^1.0.3"
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+    "web-streams-polyfill": {
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+      "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-3.0.3.tgz",
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+    }
+  }
+}
--- a/cli/package.json
+++ b/cli/package.json
@@ -0,0 +1,24 @@
+{
+  "name": "@squoosh/cli",
+  "version": "0.7.0",
+  "description": "A CLI for Squoosh",
+  "public": true,
+  "type": "module",
+  "bin": {
+    "squoosh-cli": "src/index.js",
+    "@squoosh/cli": "src/index.js"
+  },
+  "files": [
+    "/src/index.js"
+  ],
+  "keywords": [],
+  "author": "Google Chrome Developers <chromium-dev@google.com>",
+  "license": "Apache-2.0",
+  "dependencies": {
+    "@squoosh/lib": "^0.2.0",
+    "commander": "^7.2.0",
+    "json5": "^2.2.0",
+    "kleur": "^4.1.4",
+    "ora": "^5.4.0"
+  }
+}
--- a/cli/src/index.js
+++ b/cli/src/index.js
@@ -0,0 +1,232 @@
+#!/usr/bin/env node
+
+import { program } from 'commander/esm.mjs';
+import JSON5 from 'json5';
+import path from 'path';
+import { promises as fsp } from 'fs';
+import ora from 'ora';
+import kleur from 'kleur';
+
+import { ImagePool, preprocessors, encoders } from '@squoosh/lib';
+
+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];
+}
+
+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 result of results.values()) {
+      out += `\n ${kleur.cyan(result.file)}: ${prettyPrintSize(result.size)}`;
+      for (const { outputFile, size: outputSize, infoText } of result.outputs) {
+        out += `\n  ${kleur.dim('└')} ${kleur.cyan(
+          outputFile.padEnd(5),
+        )} → ${prettyPrintSize(outputSize)}`;
+        const percent = ((outputSize / result.size) * 100).toPrecision(3);
+        out += ` (${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 inputPath of paths) {
+    const files = (await fsp.lstat(inputPath)).isDirectory()
+      ? (await fsp.readdir(inputPath, {withFileTypes: true})).filter(dirent => dirent.isFile()).map(dirent => path.join(inputPath, dirent.name))
+      : [inputPath];
+    for (const file of files) {
+      try {
+        await fsp.stat(file);
+      } catch (err) {
+        if (err.code === 'ENOENT') {
+          console.warn(
+            `Warning: Input file does not exist: ${path.resolve(file)}`,
+          );
+          continue;
+        } else {
+          throw err;
+        }
+      }
+
+      validFiles.push(file);
+    }
+  }
+
+  return validFiles;
+}
+
+async function processFiles(files) {
+  files = await getInputFiles(files);
+
+  const imagePool = new ImagePool();
+
+  const results = new Map();
+  const progress = progressTracker(results);
+
+  progress.setStatus('Decoding...');
+  progress.totalOffset = files.length;
+  progress.setProgress(0, files.length);
+
+  // Create output directory
+  await fsp.mkdir(program.opts().outputDir, { recursive: true });
+
+  let decoded = 0;
+  let decodedFiles = await Promise.all(
+    files.map(async (file) => {
+      const image = imagePool.ingestImage(file);
+      await image.decoded;
+      results.set(image, {
+        file,
+        size: (await image.decoded).size,
+        outputs: [],
+      });
+      progress.setProgress(++decoded, files.length);
+      return image;
+    }),
+  );
+
+  const preprocessOptions = {};
+
+  for (const preprocessorName of Object.keys(preprocessors)) {
+    if (!program.opts()[preprocessorName]) {
+      continue;
+    }
+    preprocessOptions[preprocessorName] = JSON5.parse(
+      program.opts()[preprocessorName],
+    );
+  }
+
+  for (const image of decodedFiles) {
+    image.preprocess(preprocessOptions);
+  }
+
+  await Promise.all(decodedFiles.map((image) => image.decoded));
+
+  progress.progressOffset = decoded;
+  progress.setStatus(
+    'Encoding ' + kleur.dim(`(${imagePool.workerPool.numWorkers} threads)`),
+  );
+  progress.setProgress(0, files.length);
+
+  const jobs = [];
+  let jobsStarted = 0;
+  let jobsFinished = 0;
+  for (const image of decodedFiles) {
+    const originalFile = results.get(image).file;
+
+    const encodeOptions = {
+      optimizerButteraugliTarget: Number(
+        program.opts().optimizerButteraugliTarget,
+      ),
+      maxOptimizerRounds: Number(program.opts().maxOptimizerRounds),
+    };
+    for (const encName of Object.keys(encoders)) {
+      if (!program.opts()[encName]) {
+        continue;
+      }
+      const encParam = program.opts()[encName];
+      const encConfig =
+        encParam.toLowerCase() === 'auto' ? 'auto' : JSON5.parse(encParam);
+      encodeOptions[encName] = encConfig;
+    }
+    jobsStarted++;
+    const job = image.encode(encodeOptions).then(async () => {
+      jobsFinished++;
+      const outputPath = path.join(
+        program.opts().outputDir,
+        program.opts().suffix +
+          path.basename(originalFile, path.extname(originalFile)),
+      );
+      for (const output of Object.values(image.encodedWith)) {
+        const outputFile = `${outputPath}.${(await output).extension}`;
+        await fsp.writeFile(outputFile, (await output).binary);
+        results
+          .get(image)
+          .outputs.push(Object.assign(await output, { outputFile }));
+      }
+      progress.setProgress(jobsFinished, jobsStarted);
+    });
+    jobs.push(job);
+  }
+
+  // update the progress to account for multi-format
+  progress.setProgress(jobsFinished, jobsStarted);
+  // Wait for all jobs to finish
+  await Promise.all(jobs);
+  await imagePool.close();
+  progress.finish('Squoosh results:');
+}
+
+program
+  .name('squoosh-cli')
+  .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(`--${key} [config]`, value.description);
+}
+// Create a CLI option for each supported encoder
+for (const [key, value] of Object.entries(encoders)) {
+  program.option(
+    `--${key} [config]`,
+    `Use ${value.name} to generate a .${value.extension} file with the given configuration`,
+  );
+}
+
+program.parse(process.argv);
--- a/client-tsconfig.json
+++ b/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/**/*"
+  ]
+}
--- a/codecs/avif/Makefile
+++ b/codecs/avif/Makefile
@@ -0,0 +1,89 @@
+# libavif and libaom versions are from
+# https://docs.google.com/document/d/1wEEA5rRU7wT54k41u3qyZIZHDCJArIMzLuzsrLAwaK8/edit
+CODEC_URL = https://github.com/AOMediaCodec/libavif/archive/1c39e772c2c0d687691dd4b589a12c323f5f767d.tar.gz
+CODEC_PACKAGE = node_modules/libavif.tar.gz
+
+LIBAOM_URL = https://aomedia.googlesource.com/aom/+archive/v3.1.0.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
+
+.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
--- a/codecs/avif/dec/README.md
+++ b/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`.
--- a/codecs/avif/dec/avif_dec.cpp
+++ b/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);
+}
--- a/codecs/avif/dec/avif_dec.d.ts
+++ b/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;
--- a/codecs/avif/dec/avif_dec.js
+++ b/codecs/avif/dec/avif_dec.js
@@ -0,0 +1,57 @@
+
+var Module = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(Module) {
+  Module = Module || {};
+
+
+var e;e||(e=typeof Module !== 'undefined' ? Module : {});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 v="",ba;v=self.location.href;_scriptDir&&(v=_scriptDir);0!==v.indexOf("blob:")?v=v.substr(0,v.lastIndexOf("/")+1):v="";ba=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)};var ca=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;var da=0,y;e.wasmBinary&&(y=e.wasmBinary);var noExitRuntime=e.noExitRuntime||!0;"object"!==typeof WebAssembly&&z("no native wasm support detected");var ea,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 k=a.charCodeAt(++f);g=65536+((g&1023)<<10)|k&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 k=a.charCodeAt(++f);g=65536+((g&1023)<<10)|k&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 qa,ra,A,D,B,E,F,sa,ta;
+function ua(){var a=ea.buffer;qa=a;e.HEAP8=ra=new Int8Array(a);e.HEAP16=D=new Int16Array(a);e.HEAP32=E=new Int32Array(a);e.HEAPU8=A=new Uint8Array(a);e.HEAPU16=B=new Uint16Array(a);e.HEAPU32=F=new Uint32Array(a);e.HEAPF32=sa=new Float32Array(a);e.HEAPF64=ta=new Float64Array(a)}var G,va=[],wa=[],xa=[];function ya(){var a=e.preRun.shift();va.unshift(a)}var H=0,za=null,J=null;e.preloadedImages={};e.preloadedAudios={};
+function z(a){if(e.onAbort)e.onAbort(a);w(a);fa=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");r(a);throw a;}var K=(new URL("avif_dec.wasm",import.meta.url)).toString();function Aa(){try{if(K==K&&y)return new Uint8Array(y);if(ba)return ba(K);throw"both async and sync fetching of the wasm failed";}catch(a){z(a)}}
+function Ba(){return y||"function"!==typeof fetch?Promise.resolve().then(function(){return Aa()}):fetch(K,{credentials:"same-origin"}).then(function(a){if(!a.ok)throw"failed to load wasm binary file at '"+K+"'";return a.arrayBuffer()}).catch(function(){return Aa()})}function Ca(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(e);else{var c=b.V;"number"===typeof c?void 0===b.R?G.get(c)():G.get(c)(b.R):c(void 0===b.R?null:b.R)}}}
+function Da(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 Ea=void 0;function M(a){for(var b="";A[a];)b+=Ea[A[a++]];return b}var N={},O={},P={};function Fa(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 Ga(a,b){a=Fa(a);return(new Function("body","return function "+a+'() {\n    "use strict";    return body.apply(this, arguments);\n};\n'))(b)}function Ha(a){var b=Error,c=Ga(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 Ia=void 0;function Q(a){throw new Ia(a);}var Ja=void 0;function Ka(a,b){function c(h){h=b(h);if(h.length!==d.length)throw new Ja("Mismatched type converter count");for(var n=0;n<d.length;++n)R(d[n],h[n])}var d=[];d.forEach(function(h){P[h]=a});var f=Array(a.length),g=[],k=0;a.forEach(function(h,n){O.hasOwnProperty(h)?f[n]=O[h]:(g.push(h),N.hasOwnProperty(h)||(N[h]=[]),N[h].push(function(){f[n]=O[h];++k;k===g.length&&c(f)}))});0===g.length&&c(f)}
+function R(a,b,c){c=c||{};if(!("argPackAdvance"in b))throw new TypeError("registerType registeredInstance requires argPackAdvance");var d=b.name;a||Q('type "'+d+'" must have a positive integer typeid pointer');if(O.hasOwnProperty(a)){if(c.U)return;Q("Cannot register type '"+d+"' twice")}O[a]=b;delete P[a];N.hasOwnProperty(a)&&(b=N[a],delete N[a],b.forEach(function(f){f()}))}var Na=[],S=[{},{value:void 0},{value:null},{value:!0},{value:!1}];
+function Oa(a){4<a&&0===--S[a].S&&(S[a]=void 0,Na.push(a))}function T(a){switch(a){case void 0:return 1;case null:return 2;case !0:return 3;case !1:return 4;default:var b=Na.length?Na.pop():S.length;S[b]={S:1,value:a};return b}}function Pa(a){return this.fromWireType(F[a>>2])}function Qa(a){if(null===a)return"null";var b=typeof a;return"object"===b||"array"===b||"function"===b?a.toString():""+a}
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+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].O){var d=c[a];c[a]=function(){c[a].O.hasOwnProperty(arguments.length)||Q("Function '"+b+"' called with an invalid number of arguments ("+arguments.length+") - expects one of ("+c[a].O+")!");return c[a].O[arguments.length].apply(this,arguments)};c[a].O=[];c[a].O[d.T]=d}}
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+function bb(a,b){function c(g){f[g]||O[g]||(P[g]?P[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 ra[d]}:function(d){return A[d]};case 1:return c?function(d){return D[d>>1]}:function(d){return B[d>>1]};case 2:return c?function(d){return E[d>>2]}:function(d){return F[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=O[a];void 0===c&&Q(b+" has unknown type "+$a(a));return c}for(var gb={},hb=[null,[],[]],ib=Array(256),V=0;256>V;++V)ib[V]=String.fromCharCode(V);Ea=ib;Ia=e.BindingError=Ha("BindingError");Ja=e.InternalError=Ha("InternalError");e.count_emval_handles=function(){for(var a=0,b=5;b<S.length;++b)void 0!==S[b]&&++a;return a};
+e.get_first_emval=function(){for(var a=5;a<S.length;++a)if(void 0!==S[a])return S[a];return null};Za=e.UnboundTypeError=Ha("UnboundTypeError");
+var ob={j:function(){},v:function(){},r:function(a,b,c,d,f){var g=Da(c);b=M(b);R(a,{name:b,fromWireType:function(k){return!!k},toWireType:function(k,h){return h?d:f},argPackAdvance:8,readValueFromPointer:function(k){if(1===c)var h=ra;else if(2===c)h=D;else if(4===c)h=E;else throw new TypeError("Unknown boolean type size: "+b);return this.fromWireType(h[k>>g])},P:null})},B:function(a,b){b=M(b);R(a,{name:b,fromWireType:function(c){var d=S[c].value;Oa(c);return d},toWireType:function(c,d){return T(d)},
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+var m=f,q=h.length;2>q&&Q("argTypes array size mismatch! Must at least get return value and 'this' types!");for(var x=null!==h[1]&&!1,C=!1,p=1;p<h.length;++p)if(null!==h[p]&&void 0===h[p].P){C=!0;break}var La="void"!==h[0].name,I="",L="";for(p=0;p<q-2;++p)I+=(0!==p?", ":"")+"arg"+p,L+=(0!==p?", ":"")+"arg"+p+"Wired";l="return function "+Fa(l)+"("+I+") {\nif (arguments.length !== "+(q-2)+") {\nthrowBindingError('function "+l+" called with ' + arguments.length + ' arguments, expected "+(q-2)+" args!');\n}\n";
+C&&(l+="var destructors = [];\n");var Ma=C?"destructors":"null";I="throwBindingError invoker fn runDestructors retType classParam".split(" ");m=[Q,m,g,Ta,h[0],h[1]];x&&(l+="var thisWired = classParam.toWireType("+Ma+", this);\n");for(p=0;p<q-2;++p)l+="var arg"+p+"Wired = argType"+p+".toWireType("+Ma+", arg"+p+"); // "+h[p+2].name+"\n",I.push("argType"+p),m.push(h[p+2]);x&&(L="thisWired"+(0<L.length?", ":"")+L);l+=(La?"var rv = ":"")+"invoker(fn"+(0<L.length?", ":"")+L+");\n";if(C)l+="runDestructors(destructors);\n";
+else for(p=x?1:2;p<h.length;++p)q=1===p?"thisWired":"arg"+(p-2)+"Wired",null!==h[p].P&&(l+=q+"_dtor("+q+"); // "+h[p].name+"\n",I.push(q+"_dtor"),m.push(h[p].P));La&&(l+="var ret = retType.fromWireType(rv);\nreturn ret;\n");I.push(l+"}\n");h=Sa(I).apply(null,m);p=b-1;if(!e.hasOwnProperty(n))throw new Ja("Replacing nonexistant public symbol");void 0!==e[n].O&&void 0!==p?e[n].O[p]=h:(e[n]=h,e[n].T=p);return[]})},e:function(a,b,c,d,f){function g(l){return l}b=M(b);-1===f&&(f=4294967295);var k=Da(c);
+if(0===d){var h=32-8*c;g=function(l){return l<<h>>>h}}var n=b.includes("unsigned");R(a,{name:b,fromWireType:g,toWireType:function(l,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 n?m>>>0:m|0},argPackAdvance:8,readValueFromPointer:cb(b,k,0!==d),P:null})},d:function(a,
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+M(b);R(a,{W:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},h:Oa,i:function(a){if(0===a)return T(eb());var b=db[a];a=void 0===b?M(a):b;return T(eb()[a])},n:function(a){4<a&&(S[a].S+=1)},o:function(a,b,c,d){a||Q("Cannot use deleted val. handle = "+a);a=S[a].value;var f=gb[b];if(!f){f="";for(var g=0;g<b;++g)f+=(0!==g?", ":"")+"arg"+g;var k="return function emval_allocator_"+b+"(constructor, argTypes, args) {\n";for(g=0;g<b;++g)k+="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",k+("var obj = new constructor("+f+");\nreturn __emval_register(obj);\n}\n")))(fb,e,T);gb[b]=f}return f(a,c,d)},a:function(){z()},g:function(a,b){W(a,b||1);throw"longjmp";},y:function(a,b,c){A.copyWithin(a,b,b+c)},k:function(a){var b=A.length;a>>>=0;if(2147483648<a)return!1;for(var c=1;4>=c;c*=2){var d=b*(1+
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+0}else m.push(l)}f+=h}E[d>>2]=f;return 0},b:function(){return da},f:kb,w:lb,p:mb,x:nb,c:function(a){da=a}};
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+a)}catch(f){return w("Module.instantiateWasm callback failed with error: "+f),!1}(function(){return y||"function"!==typeof WebAssembly.instantiateStreaming||K.startsWith("data:application/octet-stream;base64,")||"function"!==typeof fetch?c(b):fetch(K,{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{}})();
+e.___wasm_call_ctors=function(){return(e.___wasm_call_ctors=e.asm.D).apply(null,arguments)};var jb=e._malloc=function(){return(jb=e._malloc=e.asm.E).apply(null,arguments)},U=e._free=function(){return(U=e._free=e.asm.F).apply(null,arguments)},ab=e.___getTypeName=function(){return(ab=e.___getTypeName=e.asm.G).apply(null,arguments)};e.___embind_register_native_and_builtin_types=function(){return(e.___embind_register_native_and_builtin_types=e.asm.H).apply(null,arguments)};
+var X=e.stackSave=function(){return(X=e.stackSave=e.asm.I).apply(null,arguments)},Y=e.stackRestore=function(){return(Y=e.stackRestore=e.asm.J).apply(null,arguments)},W=e._setThrew=function(){return(W=e._setThrew=e.asm.K).apply(null,arguments)};e.dynCall_iiijii=function(){return(e.dynCall_iiijii=e.asm.M).apply(null,arguments)};e.dynCall_jiji=function(){return(e.dynCall_jiji=e.asm.N).apply(null,arguments)};
+function nb(a,b,c,d,f,g,k,h){var n=X();try{G.get(a)(b,c,d,f,g,k,h)}catch(l){Y(n);if(l!==l+0&&"longjmp"!==l)throw l;W(1,0)}}function mb(a,b,c,d,f){var g=X();try{G.get(a)(b,c,d,f)}catch(k){Y(g);if(k!==k+0&&"longjmp"!==k)throw k;W(1,0)}}function kb(a,b,c){var d=X();try{return G.get(a)(b,c)}catch(f){Y(d);if(f!==f+0&&"longjmp"!==f)throw f;W(1,0)}}function lb(a,b,c,d,f){var g=X();try{return G.get(a)(b,c,d,f)}catch(k){Y(g);if(k!==k+0&&"longjmp"!==k)throw k;W(1,0)}}var Z;J=function pb(){Z||qb();Z||(J=pb)};
+function qb(){function a(){if(!Z&&(Z=!0,e.calledRun=!0,!fa)){Ca(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)}Ca(xa)}}if(!(0<H)){if(e.preRun)for("function"==typeof e.preRun&&(e.preRun=[e.preRun]);e.preRun.length;)ya();Ca(va);0<H||(e.setStatus?(e.setStatus("Running..."),setTimeout(function(){setTimeout(function(){e.setStatus("")},1);a()},1)):a())}}e.run=qb;
+if(e.preInit)for("function"==typeof e.preInit&&(e.preInit=[e.preInit]);0<e.preInit.length;)e.preInit.pop()();qb();
+
+
+  return Module.ready
+}
+);
+})();
+export default Module;
--- a/codecs/avif/dec/avif_dec.wasm
+++ b/codecs/avif/dec/avif_dec.wasm
--- a/codecs/avif/dec/avif_node_dec.js
+++ b/codecs/avif/dec/avif_node_dec.js
@@ -0,0 +1,57 @@
+
+var Module = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(Module) {
+  Module = Module || {};
+
+
+var e;e||(e=typeof Module !== 'undefined' ? Module : {});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,v,ca,da;ba=function(a){ca||(ca=require("fs"));da||(da=require("path"));a=da.normalize(a);return ca.readFileSync(a,null)};v=function(a){a=ba(a);a.buffer||(a=new Uint8Array(a));a.buffer||w("Assertion failed: undefined");return a};1<process.argv.length&&process.argv[1].replace(/\\/g,"/");process.argv.slice(2);
+process.on("uncaughtException",function(a){throw a;});process.on("unhandledRejection",w);e.inspect=function(){return"[Emscripten Module object]"};var ea=e.print||console.log.bind(console),y=e.printErr||console.warn.bind(console);for(u in t)t.hasOwnProperty(u)&&(e[u]=t[u]);t=null;var fa=0,z;e.wasmBinary&&(z=e.wasmBinary);var noExitRuntime=e.noExitRuntime||!0;"object"!==typeof WebAssembly&&w("no native wasm support detected");var ha,ia=!1,ja=new TextDecoder("utf8");
+function ka(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 h=a.charCodeAt(++f);g=65536+((g&1023)<<10)|h&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 la=new TextDecoder("utf-16le");
+function ma(a,b){var c=a>>1;for(b=c+b/2;!(c>=b)&&B[c];)++c;return la.decode(A.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 f=0;f<c;++f)D[b>>1]=a.charCodeAt(f),b+=2;D[b>>1]=0;return b-d}function oa(a){return 2*a.length}function pa(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 qa(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 h=a.charCodeAt(++f);g=65536+((g&1023)<<10)|h&1023}E[b>>2]=g;b+=4;if(b+4>c)break}E[b>>2]=0;return b-d}function ra(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 sa,ta,A,D,B,E,F,ua,va;
+function wa(){var a=ha.buffer;sa=a;e.HEAP8=ta=new Int8Array(a);e.HEAP16=D=new Int16Array(a);e.HEAP32=E=new Int32Array(a);e.HEAPU8=A=new Uint8Array(a);e.HEAPU16=B=new Uint16Array(a);e.HEAPU32=F=new Uint32Array(a);e.HEAPF32=ua=new Float32Array(a);e.HEAPF64=va=new Float64Array(a)}var H,xa=[],ya=[],za=[];function Aa(){var a=e.preRun.shift();xa.unshift(a)}var I=0,Ba=null,J=null;e.preloadedImages={};e.preloadedAudios={};
+function w(a){if(e.onAbort)e.onAbort(a);y(a);ia=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");r(a);throw a;}var L=(new URL("avif_node_dec.wasm",import.meta.url)).toString();function Ca(){return Promise.resolve().then(function(){a:{try{if(L==L&&z){var a=new Uint8Array(z);break a}if(v){a=v(L);break a}throw"both async and sync fetching of the wasm failed";}catch(b){w(b)}a=void 0}return a})}
+function Da(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(e);else{var c=b.V;"number"===typeof c?void 0===b.R?H.get(c)():H.get(c)(b.R):c(void 0===b.R?null:b.R)}}}function Ea(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 Fa=void 0;function M(a){for(var b="";A[a];)b+=Fa[A[a++]];return b}var N={},O={},P={};
+function Ga(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 Ha(a,b){a=Ga(a);return(new Function("body","return function "+a+'() {\n    "use strict";    return body.apply(this, arguments);\n};\n'))(b)}
+function Ia(a){var b=Error,c=Ha(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 Ja=void 0;function Q(a){throw new Ja(a);}var Ka=void 0;
+function La(a,b){function c(k){k=b(k);if(k.length!==d.length)throw new Ka("Mismatched type converter count");for(var l=0;l<d.length;++l)R(d[l],k[l])}var d=[];d.forEach(function(k){P[k]=a});var f=Array(a.length),g=[],h=0;a.forEach(function(k,l){O.hasOwnProperty(k)?f[l]=O[k]:(g.push(k),N.hasOwnProperty(k)||(N[k]=[]),N[k].push(function(){f[l]=O[k];++h;h===g.length&&c(f)}))});0===g.length&&c(f)}
+function R(a,b,c){c=c||{};if(!("argPackAdvance"in b))throw new TypeError("registerType registeredInstance requires argPackAdvance");var d=b.name;a||Q('type "'+d+'" must have a positive integer typeid pointer');if(O.hasOwnProperty(a)){if(c.U)return;Q("Cannot register type '"+d+"' twice")}O[a]=b;delete P[a];N.hasOwnProperty(a)&&(b=N[a],delete N[a],b.forEach(function(f){f()}))}var Oa=[],S=[{},{value:void 0},{value:null},{value:!0},{value:!1}];
+function Pa(a){4<a&&0===--S[a].S&&(S[a]=void 0,Oa.push(a))}function T(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():S.length;S[b]={S:1,value:a};return b}}function Qa(a){return this.fromWireType(F[a>>2])}function Ra(a){if(null===a)return"null";var b=typeof a;return"object"===b||"array"===b||"function"===b?a.toString():""+a}
+function Sa(a,b){switch(b){case 2:return function(c){return this.fromWireType(ua[c>>2])};case 3:return function(c){return this.fromWireType(va[c>>3])};default:throw new TypeError("Unknown float type: "+a);}}function Ta(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=Ha(b.name||"unknownFunctionName",function(){});c.prototype=b.prototype;c=new c;a=b.apply(c,a);return a instanceof Object?a:c}
+function Ua(a){for(;a.length;){var b=a.pop();a.pop()(b)}}function Va(a,b){var c=e;if(void 0===c[a].O){var d=c[a];c[a]=function(){c[a].O.hasOwnProperty(arguments.length)||Q("Function '"+b+"' called with an invalid number of arguments ("+arguments.length+") - expects one of ("+c[a].O+")!");return c[a].O[arguments.length].apply(this,arguments)};c[a].O=[];c[a].O[d.T]=d}}
+function Wa(a,b,c){e.hasOwnProperty(a)?((void 0===c||void 0!==e[a].O&&void 0!==e[a].O[c])&&Q("Cannot register public name '"+a+"' twice"),Va(a,a),e.hasOwnProperty(c)&&Q("Cannot register multiple overloads of a function with the same number of arguments ("+c+")!"),e[a].O[c]=b):(e[a]=b,void 0!==c&&(e[a].X=c))}function Xa(a,b){for(var c=[],d=0;d<a;d++)c.push(E[(b>>2)+d]);return c}
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+C&&(m+="var destructors = [];\n");var Na=C?"destructors":"null";G="throwBindingError invoker fn runDestructors retType classParam".split(" ");n=[Q,n,g,Ua,l[0],l[1]];x&&(m+="var thisWired = classParam.toWireType("+Na+", this);\n");for(q=0;q<p-2;++q)m+="var arg"+q+"Wired = argType"+q+".toWireType("+Na+", arg"+q+"); // "+l[q+2].name+"\n",G.push("argType"+q),n.push(l[q+2]);x&&(K="thisWired"+(0<K.length?", ":"")+K);m+=(Ma?"var rv = ":"")+"invoker(fn"+(0<K.length?", ":"")+K+");\n";if(C)m+="runDestructors(destructors);\n";
+else for(q=x?1:2;q<l.length;++q)p=1===q?"thisWired":"arg"+(q-2)+"Wired",null!==l[q].P&&(m+=p+"_dtor("+p+"); // "+l[q].name+"\n",G.push(p+"_dtor"),n.push(l[q].P));Ma&&(m+="var ret = retType.fromWireType(rv);\nreturn ret;\n");G.push(m+"}\n");l=Ta(G).apply(null,n);q=b-1;if(!e.hasOwnProperty(k))throw new Ka("Replacing nonexistant public symbol");void 0!==e[k].O&&void 0!==q?e[k].O[q]=l:(e[k]=l,e[k].T=q);return[]})},e:function(a,b,c,d,f){function g(m){return m}b=M(b);-1===f&&(f=4294967295);var h=Ea(c);
+if(0===d){var k=32-8*c;g=function(m){return m<<k>>>k}}var l=b.includes("unsigned");R(a,{name:b,fromWireType:g,toWireType:function(m,n){if("number"!==typeof n&&"boolean"!==typeof n)throw new TypeError('Cannot convert "'+Ra(n)+'" to '+this.name);if(n<d||n>f)throw new TypeError('Passing a number "'+Ra(n)+'" from JS side to C/C++ side to an argument of type "'+b+'", which is outside the valid range ['+d+", "+f+"]!");return l?n>>>0:n|0},argPackAdvance:8,readValueFromPointer:db(b,h,0!==d),P:null})},d:function(a,
+b,c){function d(g){g>>=2;var h=F;return new f(sa,h[g+1],h[g])}var f=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array][b];c=M(c);R(a,{name:c,fromWireType:d,argPackAdvance:8,readValueFromPointer:d},{U:!0})},m:function(a,b){b=M(b);var c="std::string"===b;R(a,{name:b,fromWireType:function(d){var f=F[d>>2];if(c)for(var g=d+4,h=0;h<=f;++h){var k=d+4+h;if(h==f||0==A[k]){if(g){for(var l=g+(k-g),m=g;!(m>=l)&&A[m];)++m;g=ja.decode(A.subarray(g,m))}else g="";if(void 0===
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+b&&(d=pa,f=qa,g=ra,h=function(){return F},k=2);R(a,{name:c,fromWireType:function(l){for(var m=F[l>>2],n=h(),p,x=l+4,C=0;C<=m;++C){var q=l+4+C*b;if(C==m||0==n[q>>k])x=d(x,q-x),void 0===p?p=x:(p+=String.fromCharCode(0),p+=x),x=q+b}U(l);return p},toWireType:function(l,m){"string"!==typeof m&&Q("Cannot pass non-string to C++ string type "+c);var n=g(m),p=kb(4+n+b);F[p>>2]=n>>k;f(m,p+4,n+b);null!==l&&l.push(U,p);return p},argPackAdvance:8,readValueFromPointer:Qa,P:function(l){U(l)}})},s:function(a,b){b=
+M(b);R(a,{W:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},h:Pa,i:function(a){if(0===a)return T(fb());var b=eb[a];a=void 0===b?M(a):b;return T(fb()[a])},n:function(a){4<a&&(S[a].S+=1)},o:function(a,b,c,d){a||Q("Cannot use deleted val. handle = "+a);a=S[a].value;var f=hb[b];if(!f){f="";for(var g=0;g<b;++g)f+=(0!==g?", ":"")+"arg"+g;var h="return function emval_allocator_"+b+"(constructor, argTypes, args) {\n";for(g=0;g<b;++g)h+="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",h+("var obj = new constructor("+f+");\nreturn __emval_register(obj);\n}\n")))(gb,e,T);hb[b]=f}return f(a,c,d)},a:function(){w()},g:function(a,b){W(a,b||1);throw"longjmp";},y:function(a,b,c){A.copyWithin(a,b,b+c)},k:function(a){var b=A.length;a>>>=0;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(a,d);0<d%65536&&(d+=65536-d%65536);a:{try{ha.grow(Math.min(2147483648,d)-sa.byteLength+65535>>>16);wa();var f=1;break a}catch(g){}f=void 0}if(f)return!0}return!1},z:function(){return 0},u:function(){},A:function(a,b,c,d){for(var f=0,g=0;g<c;g++){for(var h=E[b+8*g>>2],k=E[b+(8*g+4)>>2],l=0;l<k;l++){var m=A[h+l],n=ib[a];if(0===m||10===m){m=1===a?ea:y;var p;for(p=0;n[p]&&!(NaN<=p);)++p;p=ja.decode(n.subarray?n.subarray(0,p):new Uint8Array(n.slice(0,p)));m(p);
+n.length=0}else n.push(m)}f+=k}E[d>>2]=f;return 0},b:function(){return fa},f:lb,w:mb,p:nb,x:ob,c:function(a){fa=a}};
+(function(){function a(f){e.asm=f.exports;ha=e.asm.C;wa();H=e.asm.L;ya.unshift(e.asm.D);I--;e.monitorRunDependencies&&e.monitorRunDependencies(I);0==I&&(null!==Ba&&(clearInterval(Ba),Ba=null),J&&(f=J,J=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){y("failed to asynchronously prepare wasm: "+g);w(g)})}var d={a:pb};I++;e.monitorRunDependencies&&e.monitorRunDependencies(I);if(e.instantiateWasm)try{return e.instantiateWasm(d,
+a)}catch(f){return y("Module.instantiateWasm callback failed with error: "+f),!1}(function(){return z||"function"!==typeof WebAssembly.instantiateStreaming||L.startsWith("data:application/octet-stream;base64,")||"function"!==typeof fetch?c(b):fetch(L,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,d).then(b,function(g){y("wasm streaming compile failed: "+g);y("falling back to ArrayBuffer instantiation");return c(b)})})})().catch(r);return{}})();
+e.___wasm_call_ctors=function(){return(e.___wasm_call_ctors=e.asm.D).apply(null,arguments)};var kb=e._malloc=function(){return(kb=e._malloc=e.asm.E).apply(null,arguments)},U=e._free=function(){return(U=e._free=e.asm.F).apply(null,arguments)},bb=e.___getTypeName=function(){return(bb=e.___getTypeName=e.asm.G).apply(null,arguments)};e.___embind_register_native_and_builtin_types=function(){return(e.___embind_register_native_and_builtin_types=e.asm.H).apply(null,arguments)};
+var X=e.stackSave=function(){return(X=e.stackSave=e.asm.I).apply(null,arguments)},Y=e.stackRestore=function(){return(Y=e.stackRestore=e.asm.J).apply(null,arguments)},W=e._setThrew=function(){return(W=e._setThrew=e.asm.K).apply(null,arguments)};e.dynCall_iiijii=function(){return(e.dynCall_iiijii=e.asm.M).apply(null,arguments)};e.dynCall_jiji=function(){return(e.dynCall_jiji=e.asm.N).apply(null,arguments)};
+function ob(a,b,c,d,f,g,h,k){var l=X();try{H.get(a)(b,c,d,f,g,h,k)}catch(m){Y(l);if(m!==m+0&&"longjmp"!==m)throw m;W(1,0)}}function nb(a,b,c,d,f){var g=X();try{H.get(a)(b,c,d,f)}catch(h){Y(g);if(h!==h+0&&"longjmp"!==h)throw h;W(1,0)}}function lb(a,b,c){var d=X();try{return H.get(a)(b,c)}catch(f){Y(d);if(f!==f+0&&"longjmp"!==f)throw f;W(1,0)}}function mb(a,b,c,d,f){var g=X();try{return H.get(a)(b,c,d,f)}catch(h){Y(g);if(h!==h+0&&"longjmp"!==h)throw h;W(1,0)}}var Z;J=function qb(){Z||rb();Z||(J=qb)};
+function rb(){function a(){if(!Z&&(Z=!0,e.calledRun=!0,!ia)){Da(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)}Da(za)}}if(!(0<I)){if(e.preRun)for("function"==typeof e.preRun&&(e.preRun=[e.preRun]);e.preRun.length;)Aa();Da(xa);0<I||(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()();rb();
+
+
+  return Module.ready
+}
+);
+})();
+export default Module;
--- a/codecs/avif/dec/avif_node_dec.wasm
+++ b/codecs/avif/dec/avif_node_dec.wasm
--- a/codecs/avif/enc/README.md
+++ b/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;
+};
+```
--- a/codecs/avif/enc/avif_enc.cpp
+++ b/codecs/avif/enc/avif_enc.cpp
@@ -0,0 +1,146 @@
+#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 cqLevel;
+  // As above, but -1 means 'use cqLevel'
+  int cqAlphaLevel;
+  // [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;
+  // Extra chroma compression
+  bool chromaDeltaQ;
+  // 0-7
+  int sharpness;
+  // 0 = auto
+  // 1 = PSNR
+  // 2 = SSIM
+  int tune;
+  // 0-50
+  int denoiseLevel;
+};
+
+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;
+  }
+
+  bool lossless = options.cqLevel == AVIF_QUANTIZER_LOSSLESS &&
+                  options.cqAlphaLevel <= AVIF_QUANTIZER_LOSSLESS &&
+                  format == AVIF_PIXEL_FORMAT_YUV444;
+
+  avifImage* image = avifImageCreate(width, height, depth, format);
+
+  if (lossless) {
+    image->matrixCoefficients = AVIF_MATRIX_COEFFICIENTS_IDENTITY;
+  } else {
+    image->matrixCoefficients = AVIF_MATRIX_COEFFICIENTS_BT601;
+  }
+
+  uint8_t* rgba = reinterpret_cast<uint8_t*>(const_cast<char*>(buffer.data()));
+
+  avifRGBImage srcRGB;
+  avifRGBImageSetDefaults(&srcRGB, image);
+  srcRGB.pixels = rgba;
+  srcRGB.rowBytes = width * 4;
+  avifImageRGBToYUV(image, &srcRGB);
+
+  avifEncoder* encoder = avifEncoderCreate();
+
+  if (lossless) {
+    encoder->minQuantizer = AVIF_QUANTIZER_LOSSLESS;
+    encoder->maxQuantizer = AVIF_QUANTIZER_LOSSLESS;
+    encoder->minQuantizerAlpha = AVIF_QUANTIZER_LOSSLESS;
+    encoder->maxQuantizerAlpha = AVIF_QUANTIZER_LOSSLESS;
+  } else {
+    encoder->minQuantizer = AVIF_QUANTIZER_BEST_QUALITY;
+    encoder->maxQuantizer = AVIF_QUANTIZER_WORST_QUALITY;
+    encoder->minQuantizerAlpha = AVIF_QUANTIZER_BEST_QUALITY;
+    encoder->maxQuantizerAlpha = AVIF_QUANTIZER_WORST_QUALITY;
+    avifEncoderSetCodecSpecificOption(encoder, "end-usage", "q");
+    avifEncoderSetCodecSpecificOption(encoder, "cq-level", std::to_string(options.cqLevel).c_str());
+    avifEncoderSetCodecSpecificOption(encoder, "sharpness",
+                                      std::to_string(options.sharpness).c_str());
+
+    if (options.cqAlphaLevel != -1) {
+      avifEncoderSetCodecSpecificOption(encoder, "alpha:cq-level",
+                                        std::to_string(options.cqAlphaLevel).c_str());
+    }
+
+    if (options.tune == 2 || (options.tune == 0 && options.cqLevel <= 32)) {
+      avifEncoderSetCodecSpecificOption(encoder, "tune", "ssim");
+    }
+
+    if (options.chromaDeltaQ) {
+      avifEncoderSetCodecSpecificOption(encoder, "enable-chroma-deltaq", "1");
+    }
+
+    avifEncoderSetCodecSpecificOption(encoder, "color:denoise-noise-level",
+                                      std::to_string(options.denoiseLevel).c_str());
+  }
+
+  encoder->maxThreads = emscripten_num_logical_cores();
+  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("cqLevel", &AvifOptions::cqLevel)
+      .field("cqAlphaLevel", &AvifOptions::cqAlphaLevel)
+      .field("tileRowsLog2", &AvifOptions::tileRowsLog2)
+      .field("tileColsLog2", &AvifOptions::tileColsLog2)
+      .field("speed", &AvifOptions::speed)
+      .field("chromaDeltaQ", &AvifOptions::chromaDeltaQ)
+      .field("sharpness", &AvifOptions::sharpness)
+      .field("tune", &AvifOptions::tune)
+      .field("denoiseLevel", &AvifOptions::denoiseLevel)
+      .field("subsample", &AvifOptions::subsample);
+
+  function("encode", &encode);
+}
--- a/codecs/avif/enc/avif_enc.d.ts
+++ b/codecs/avif/enc/avif_enc.d.ts
@@ -0,0 +1,31 @@
+export const enum AVIFTune {
+  auto,
+  psnr,
+  ssim,
+}
+
+export interface EncodeOptions {
+  cqLevel: number;
+  denoiseLevel: number;
+  cqAlphaLevel: number;
+  tileRowsLog2: number;
+  tileColsLog2: number;
+  speed: number;
+  subsample: number;
+  chromaDeltaQ: boolean;
+  sharpness: number;
+  tune: AVIFTune;
+}
+
+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;
--- a/codecs/avif/enc/avif_enc.js
+++ b/codecs/avif/enc/avif_enc.js
@@ -0,0 +1,63 @@
+
+var Module = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(Module) {
+  Module = Module || {};
+
+
+var e;e||(e=typeof Module !== 'undefined' ? Module : {});var aa,ba;e.ready=new Promise(function(a,b){aa=a;ba=b});var u={},v;for(v in e)e.hasOwnProperty(v)&&(u[v]=e[v]);var w="",da;w=self.location.href;_scriptDir&&(w=_scriptDir);0!==w.indexOf("blob:")?w=w.substr(0,w.lastIndexOf("/")+1):w="";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),x=e.printErr||console.warn.bind(console);
+for(v in u)u.hasOwnProperty(v)&&(e[v]=u[v]);u=null;var fa=0,y;e.wasmBinary&&(y=e.wasmBinary);var noExitRuntime=e.noExitRuntime||!0;"object"!==typeof WebAssembly&&z("no native wasm support detected");var ha,ia=!1,ja=new TextDecoder("utf8");
+function ka(a,b,c){var d=B;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 k=a.charCodeAt(++f);g=65536+((g&1023)<<10)|k&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 la=new TextDecoder("utf-16le");
+function ma(a,b){var c=a>>1;for(b=c+b/2;!(c>=b)&&C[c];)++c;return la.decode(B.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 f=0;f<c;++f)D[b>>1]=a.charCodeAt(f),b+=2;D[b>>1]=0;return b-d}function oa(a){return 2*a.length}function pa(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 qa(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 k=a.charCodeAt(++f);g=65536+((g&1023)<<10)|k&1023}E[b>>2]=g;b+=4;if(b+4>c)break}E[b>>2]=0;return b-d}function ra(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 sa,ta,B,D,C,E,F,ua,va;
+function wa(){var a=ha.buffer;sa=a;e.HEAP8=ta=new Int8Array(a);e.HEAP16=D=new Int16Array(a);e.HEAP32=E=new Int32Array(a);e.HEAPU8=B=new Uint8Array(a);e.HEAPU16=C=new Uint16Array(a);e.HEAPU32=F=new Uint32Array(a);e.HEAPF32=ua=new Float32Array(a);e.HEAPF64=va=new Float64Array(a)}var G,xa=[],ya=[],za=[];function Aa(){var a=e.preRun.shift();xa.unshift(a)}var H=0,Ba=null,J=null;e.preloadedImages={};e.preloadedAudios={};
+function z(a){if(e.onAbort)e.onAbort(a);x(a);ia=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");ba(a);throw a;}var K=(new URL("avif_enc.wasm",import.meta.url)).toString();function Ca(){try{if(K==K&&y)return new Uint8Array(y);if(da)return da(K);throw"both async and sync fetching of the wasm failed";}catch(a){z(a)}}
+function Da(){return y||"function"!==typeof fetch?Promise.resolve().then(function(){return Ca()}):fetch(K,{credentials:"same-origin"}).then(function(a){if(!a.ok)throw"failed to load wasm binary file at '"+K+"'";return a.arrayBuffer()}).catch(function(){return Ca()})}function Ea(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(e);else{var c=b.va;"number"===typeof c?void 0===b.ga?G.get(c)():G.get(c)(b.ga):c(void 0===b.ga?null:b.ga)}}}var Fa=[null,[],[]],Ga={},L={};
+function Ha(a){for(;a.length;){var b=a.pop();a.pop()(b)}}function M(a){return this.fromWireType(F[a>>2])}var N={},O={},P={};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 Ma(a,b,c){function d(h){h=c(h);if(h.length!==a.length)throw new La("Mismatched type converter count");for(var n=0;n<a.length;++n)Q(a[n],h[n])}a.forEach(function(h){P[h]=b});var f=Array(b.length),g=[],k=0;b.forEach(function(h,n){O.hasOwnProperty(h)?f[n]=O[h]:(g.push(h),N.hasOwnProperty(h)||(N[h]=[]),N[h].push(function(){f[n]=O[h];++k;k===g.length&&d(f)}))});0===g.length&&d(f)}
+function Na(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 Oa=void 0;function R(a){for(var b="";B[a];)b+=Oa[B[a++]];return b}var Pa=void 0;function S(a){throw new Pa(a);}
+function Q(a,b,c){c=c||{};if(!("argPackAdvance"in b))throw new TypeError("registerType registeredInstance requires argPackAdvance");var d=b.name;a||S('type "'+d+'" must have a positive integer typeid pointer');if(O.hasOwnProperty(a)){if(c.oa)return;S("Cannot register type '"+d+"' twice")}O[a]=b;delete P[a];N.hasOwnProperty(a)&&(b=N[a],delete N[a],b.forEach(function(f){f()}))}var Qa=[],T=[{},{value:void 0},{value:null},{value:!0},{value:!1}];
+function Ra(a){4<a&&0===--T[a].ha&&(T[a]=void 0,Qa.push(a))}function Sa(a){switch(a){case void 0:return 1;case null:return 2;case !0:return 3;case !1:return 4;default:var b=Qa.length?Qa.pop():T.length;T[b]={ha:1,value:a};return b}}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(ua[c>>2])};case 3:return function(c){return this.fromWireType(va[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,b){var c=e;if(void 0===c[a].ea){var d=c[a];c[a]=function(){c[a].ea.hasOwnProperty(arguments.length)||S("Function '"+b+"' called with an invalid number of arguments ("+arguments.length+") - expects one of ("+c[a].ea+")!");return c[a].ea[arguments.length].apply(this,arguments)};c[a].ea=[];c[a].ea[d.ja]=d}}
+function Xa(a,b,c){e.hasOwnProperty(a)?((void 0===c||void 0!==e[a].ea&&void 0!==e[a].ea[c])&&S("Cannot register public name '"+a+"' twice"),Wa(a,a),e.hasOwnProperty(c)&&S("Cannot register multiple overloads of a function with the same number of arguments ("+c+")!"),e[a].ea[c]=b):(e[a]=b,void 0!==c&&(e[a].ya=c))}function Ya(a,b){for(var c=[],d=0;d<a;d++)c.push(E[(b>>2)+d]);return c}
+function Za(a,b){var c=[];return function(){c.length=arguments.length;for(var d=0;d<arguments.length;d++)c[d]=arguments[d];a.includes("j")?(d=e["dynCall_"+a],d=c&&c.length?d.apply(null,[b].concat(c)):d.call(null,b)):d=G.get(b).apply(null,c);return d}}function V(a,b){a=R(a);var c=a.includes("j")?Za(a,b):G.get(b);"function"!==typeof c&&S("unknown function pointer with signature "+a+": "+b);return c}var $a=void 0;function ab(a){a=bb(a);var b=R(a);W(a);return b}
+function cb(a,b){function c(g){f[g]||O[g]||(P[g]?P[g].forEach(c):(d.push(g),f[g]=!0))}var d=[],f={};b.forEach(c);throw new $a(a+": "+d.map(ab).join([", "]));}function db(a,b,c){switch(b){case 0:return c?function(d){return ta[d]}:function(d){return B[d]};case 1:return c?function(d){return D[d>>1]}:function(d){return C[d>>1]};case 2:return c?function(d){return E[d>>2]}:function(d){return F[d>>2]};default:throw new TypeError("Unknown integer type: "+a);}}var eb={};
+function fb(){return"object"===typeof globalThis?globalThis:Function("return this")()}function gb(a,b){var c=O[a];void 0===c&&S(b+" has unknown type "+ab(a));return c}var hb={};La=e.InternalError=Ka("InternalError");for(var ib=Array(256),jb=0;256>jb;++jb)ib[jb]=String.fromCharCode(jb);Oa=ib;Pa=e.BindingError=Ka("BindingError");e.count_emval_handles=function(){for(var a=0,b=5;b<T.length;++b)void 0!==T[b]&&++a;return a};
+e.get_first_emval=function(){for(var a=5;a<T.length;++a)if(void 0!==T[a])return T[a];return null};$a=e.UnboundTypeError=Ka("UnboundTypeError");
+var ub={O:function(){},s:function(){return 0},G:function(){return 0},H:function(){},x:function(a){var b=L[a];delete L[a];var c=b.pa,d=b.qa,f=b.ia,g=f.map(function(k){return k.na}).concat(f.map(function(k){return k.sa}));Ma([a],g,function(k){var h={};f.forEach(function(n,l){var m=k[l],p=n.la,r=n.ma,t=k[l+f.length],q=n.ra,ca=n.ta;h[n.ka]={read:function(A){return m.fromWireType(p(r,A))},write:function(A,I){var U=[];q(ca,A,t.toWireType(U,I));Ha(U)}}});return[{name:b.name,fromWireType:function(n){var l=
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+c)h=E;else throw new TypeError("Unknown boolean type size: "+b);return this.fromWireType(h[k>>g])},fa:null})},J:function(a,b){b=R(b);Q(a,{name:b,fromWireType:function(c){var d=T[c].value;Ra(c);return d},toWireType:function(c,d){return Sa(d)},argPackAdvance:8,readValueFromPointer:M,fa:null})},t:function(a,b,c){c=Na(c);b=R(b);Q(a,{name:b,fromWireType:function(d){return d},toWireType:function(d,f){if("number"!==typeof f&&"boolean"!==typeof f)throw new TypeError('Cannot convert "'+Ta(f)+'" to '+this.name);
+return f},argPackAdvance:8,readValueFromPointer:Ua(b,c),fa:null})},w:function(a,b,c,d,f,g){var k=Ya(b,c);a=R(a);f=V(d,f);Xa(a,function(){cb("Cannot call "+a+" due to unbound types",k)},b-1);Ma([],k,function(h){var n=a,l=a;h=[h[0],null].concat(h.slice(1));var m=f,p=h.length;2>p&&S("argTypes array size mismatch! Must at least get return value and 'this' types!");for(var r=null!==h[1]&&!1,t=!1,q=1;q<h.length;++q)if(null!==h[q]&&void 0===h[q].fa){t=!0;break}var ca="void"!==h[0].name,A="",I="";for(q=0;q<
+p-2;++q)A+=(0!==q?", ":"")+"arg"+q,I+=(0!==q?", ":"")+"arg"+q+"Wired";l="return function "+Ia(l)+"("+A+") {\nif (arguments.length !== "+(p-2)+") {\nthrowBindingError('function "+l+" called with ' + arguments.length + ' arguments, expected "+(p-2)+" args!');\n}\n";t&&(l+="var destructors = [];\n");var U=t?"destructors":"null";A="throwBindingError invoker fn runDestructors retType classParam".split(" ");m=[S,m,g,Ha,h[0],h[1]];r&&(l+="var thisWired = classParam.toWireType("+U+", this);\n");for(q=0;q<
+p-2;++q)l+="var arg"+q+"Wired = argType"+q+".toWireType("+U+", arg"+q+"); // "+h[q+2].name+"\n",A.push("argType"+q),m.push(h[q+2]);r&&(I="thisWired"+(0<I.length?", ":"")+I);l+=(ca?"var rv = ":"")+"invoker(fn"+(0<I.length?", ":"")+I+");\n";if(t)l+="runDestructors(destructors);\n";else for(q=r?1:2;q<h.length;++q)p=1===q?"thisWired":"arg"+(q-2)+"Wired",null!==h[q].fa&&(l+=p+"_dtor("+p+"); // "+h[q].name+"\n",A.push(p+"_dtor"),m.push(h[q].fa));ca&&(l+="var ret = retType.fromWireType(rv);\nreturn ret;\n");
+A.push(l+"}\n");h=Va(A).apply(null,m);q=b-1;if(!e.hasOwnProperty(n))throw new La("Replacing nonexistant public symbol");void 0!==e[n].ea&&void 0!==q?e[n].ea[q]=h:(e[n]=h,e[n].ja=q);return[]})},i:function(a,b,c,d,f){function g(l){return l}b=R(b);-1===f&&(f=4294967295);var k=Na(c);if(0===d){var h=32-8*c;g=function(l){return l<<h>>>h}}var n=b.includes("unsigned");Q(a,{name:b,fromWireType:g,toWireType:function(l,m){if("number"!==typeof m&&"boolean"!==typeof m)throw new TypeError('Cannot convert "'+Ta(m)+
+'" to '+this.name);if(m<d||m>f)throw new TypeError('Passing a number "'+Ta(m)+'" from JS side to C/C++ side to an argument of type "'+b+'", which is outside the valid range ['+d+", "+f+"]!");return n?m>>>0:m|0},argPackAdvance:8,readValueFromPointer:db(b,k,0!==d),fa:null})},e:function(a,b,c){function d(g){g>>=2;var k=F;return new f(sa,k[g+1],k[g])}var f=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array][b];c=R(c);Q(a,{name:c,fromWireType:d,argPackAdvance:8,
+readValueFromPointer:d},{oa:!0})},u:function(a,b){b=R(b);var c="std::string"===b;Q(a,{name:b,fromWireType:function(d){var f=F[d>>2];if(c)for(var g=d+4,k=0;k<=f;++k){var h=d+4+k;if(k==f||0==B[h]){if(g){for(var n=g+(h-g),l=g;!(l>=n)&&B[l];)++l;g=ja.decode(B.subarray(g,l))}else g="";if(void 0===m)var m=g;else m+=String.fromCharCode(0),m+=g;g=h+1}}else{m=Array(f);for(k=0;k<f;++k)m[k]=String.fromCharCode(B[d+4+k]);m=m.join("")}W(d);return m},toWireType:function(d,f){f instanceof ArrayBuffer&&(f=new Uint8Array(f));
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+B[h+4+g]=n}else for(g=0;g<k;++g)B[h+4+g]=f[g];null!==d&&d.push(W,h);return h},argPackAdvance:8,readValueFromPointer:M,fa:function(d){W(d)}})},o:function(a,b,c){c=R(c);if(2===b){var d=ma;var f=na;var g=oa;var k=function(){return C};var h=1}else 4===b&&(d=pa,f=qa,g=ra,k=function(){return F},h=2);Q(a,{name:c,fromWireType:function(n){for(var l=F[n>>2],m=k(),p,r=n+4,t=0;t<=l;++t){var q=n+4+t*b;if(t==l||0==m[q>>h])r=d(r,q-r),void 0===p?p=r:(p+=String.fromCharCode(0),p+=r),r=q+b}W(n);return p},toWireType:function(n,
+l){"string"!==typeof l&&S("Cannot pass non-string to C++ string type "+c);var m=g(l),p=kb(4+m+b);F[p>>2]=m>>h;f(l,p+4,m+b);null!==n&&n.push(W,p);return p},argPackAdvance:8,readValueFromPointer:M,fa:function(n){W(n)}})},z:function(a,b,c,d,f,g){L[a]={name:R(b),pa:V(c,d),qa:V(f,g),ia:[]}},g:function(a,b,c,d,f,g,k,h,n,l){L[a].ia.push({ka:R(b),na:c,la:V(d,f),ma:g,sa:k,ra:V(h,n),ta:l})},L:function(a,b){b=R(b);Q(a,{xa:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},j:Ra,N:function(a){if(0===
+a)return Sa(fb());var b=eb[a];a=void 0===b?R(a):b;return Sa(fb()[a])},v:function(a){4<a&&(T[a].ha+=1)},D:function(a,b,c,d){a||S("Cannot use deleted val. handle = "+a);a=T[a].value;var f=hb[b];if(!f){f="";for(var g=0;g<b;++g)f+=(0!==g?", ":"")+"arg"+g;var k="return function emval_allocator_"+b+"(constructor, argTypes, args) {\n";for(g=0;g<b;++g)k+="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",k+("var obj = new constructor("+f+");\nreturn __emval_register(obj);\n}\n")))(gb,e,Sa);hb[b]=f}return f(a,c,d)},f:function(){z()},d:function(a,b){X(a,b||1);throw"longjmp";},E:function(a,b,c){B.copyWithin(a,b,b+c)},n:function(a){var b=B.length;a>>>=0;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(a,d);0<d%65536&&(d+=65536-d%65536);a:{try{ha.grow(Math.min(2147483648,
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+a)}catch(f){return x("Module.instantiateWasm callback failed with error: "+f),!1}(function(){return y||"function"!==typeof WebAssembly.instantiateStreaming||K.startsWith("data:application/octet-stream;base64,")||"function"!==typeof fetch?c(b):fetch(K,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,d).then(b,function(g){x("wasm streaming compile failed: "+g);x("falling back to ArrayBuffer instantiation");return c(b)})})})().catch(ba);return{}})();
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+e.dynCall_jiiiiiiii=function(){return(e.dynCall_jiiiiiiii=e.asm.aa).apply(null,arguments)};e.dynCall_jiiiiii=function(){return(e.dynCall_jiiiiii=e.asm.ba).apply(null,arguments)};e.dynCall_jiiiii=function(){return(e.dynCall_jiiiii=e.asm.ca).apply(null,arguments)};e.dynCall_iiijii=function(){return(e.dynCall_iiijii=e.asm.da).apply(null,arguments)};function qb(a,b){var c=Y();try{G.get(a)(b)}catch(d){Z(c);if(d!==d+0&&"longjmp"!==d)throw d;X(1,0)}}
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+if(e.preInit)for("function"==typeof e.preInit&&(e.preInit=[e.preInit]);0<e.preInit.length;)e.preInit.pop()();yb();
+
+
+  return Module.ready
+}
+);
+})();
+export default Module;
--- a/codecs/avif/enc/avif_enc.wasm
+++ b/codecs/avif/enc/avif_enc.wasm
--- a/codecs/avif/enc/avif_enc_mt.d.ts
+++ b/codecs/avif/enc/avif_enc_mt.d.ts
@@ -0,0 +1 @@
+export { default } from './avif_enc';
--- a/codecs/avif/enc/avif_enc_mt.js
+++ b/codecs/avif/enc/avif_enc_mt.js
@@ -0,0 +1,96 @@
+
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+  var _scriptDir = import.meta.url;
+  
+  return (
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+  Module = Module || {};
+
+
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+d).then(b,function(g){E("wasm streaming compile failed: "+g);E("falling back to ArrayBuffer instantiation");return c(b)})})})().catch(na);return{}})();y.___wasm_call_ctors=function(){return(y.___wasm_call_ctors=y.asm.fa).apply(null,arguments)};var M=y._malloc=function(){return(M=y._malloc=y.asm.ga).apply(null,arguments)},O=y._free=function(){return(O=y._free=y.asm.ha).apply(null,arguments)};y._emscripten_tls_init=function(){return(y._emscripten_tls_init=y.asm.ia).apply(null,arguments)};
+var Lb=y.___getTypeName=function(){return(Lb=y.___getTypeName=y.asm.ka).apply(null,arguments)};y.___embind_register_native_and_builtin_types=function(){return(y.___embind_register_native_and_builtin_types=y.asm.la).apply(null,arguments)};y._emscripten_current_thread_process_queued_calls=function(){return(y._emscripten_current_thread_process_queued_calls=y.asm.ma).apply(null,arguments)};
+var Xa=y._emscripten_register_main_browser_thread_id=function(){return(Xa=y._emscripten_register_main_browser_thread_id=y.asm.na).apply(null,arguments)},pc=y._emscripten_main_browser_thread_id=function(){return(pc=y._emscripten_main_browser_thread_id=y.asm.oa).apply(null,arguments)},Qa=y.__emscripten_do_dispatch_to_thread=function(){return(Qa=y.__emscripten_do_dispatch_to_thread=y.asm.pa).apply(null,arguments)},Bc=y._emscripten_sync_run_in_main_thread_4=function(){return(Bc=y._emscripten_sync_run_in_main_thread_4=
+y.asm.qa).apply(null,arguments)},$a=y._emscripten_main_thread_process_queued_calls=function(){return($a=y._emscripten_main_thread_process_queued_calls=y.asm.ra).apply(null,arguments)},Vb=y._emscripten_run_in_main_runtime_thread_js=function(){return(Vb=y._emscripten_run_in_main_runtime_thread_js=y.asm.sa).apply(null,arguments)},$b=y.__emscripten_call_on_thread=function(){return($b=y.__emscripten_call_on_thread=y.asm.ta).apply(null,arguments)},Wa=y.__emscripten_thread_init=function(){return(Wa=y.__emscripten_thread_init=
+y.asm.ua).apply(null,arguments)},N=y._pthread_self=function(){return(N=y._pthread_self=y.asm.va).apply(null,arguments)},Ya=y.___pthread_tsd_run_dtors=function(){return(Ya=y.___pthread_tsd_run_dtors=y.asm.wa).apply(null,arguments)},nc=y._emscripten_get_global_libc=function(){return(nc=y._emscripten_get_global_libc=y.asm.xa).apply(null,arguments)},Y=y.stackSave=function(){return(Y=y.stackSave=y.asm.ya).apply(null,arguments)},P=y.stackRestore=function(){return(P=y.stackRestore=y.asm.za).apply(null,arguments)},
+Ub=y.stackAlloc=function(){return(Ub=y.stackAlloc=y.asm.Aa).apply(null,arguments)},db=y._emscripten_stack_set_limits=function(){return(db=y._emscripten_stack_set_limits=y.asm.Ba).apply(null,arguments)},Z=y._setThrew=function(){return(Z=y._setThrew=y.asm.Ca).apply(null,arguments)},Cc=y._memalign=function(){return(Cc=y._memalign=y.asm.Da).apply(null,arguments)};y.dynCall_jiiiiiiiii=function(){return(y.dynCall_jiiiiiiiii=y.asm.Ea).apply(null,arguments)};
+var Ec=y.dynCall_ijiii=function(){return(Ec=y.dynCall_ijiii=y.asm.Fa).apply(null,arguments)};y.dynCall_jiji=function(){return(y.dynCall_jiji=y.asm.Ga).apply(null,arguments)};y.dynCall_jiiiiiiii=function(){return(y.dynCall_jiiiiiiii=y.asm.Ha).apply(null,arguments)};y.dynCall_jiiiiii=function(){return(y.dynCall_jiiiiii=y.asm.Ia).apply(null,arguments)};y.dynCall_jiiiii=function(){return(y.dynCall_jiiiii=y.asm.Ja).apply(null,arguments)};
+y.dynCall_iiijii=function(){return(y.dynCall_iiijii=y.asm.Ka).apply(null,arguments)};var Za=y.__emscripten_allow_main_runtime_queued_calls=600816,Ua=y.__emscripten_main_thread_futex=897292;function yc(a,b){var c=Y();try{H.get(a)(b)}catch(d){P(c);if(d!==d+0&&"longjmp"!==d)throw d;Z(1,0)}}function Ac(a,b,c,d,f){var g=Y();try{H.get(a)(b,c,d,f)}catch(h){P(g);if(h!==h+0&&"longjmp"!==h)throw h;Z(1,0)}}
+function zc(a,b,c){var d=Y();try{H.get(a)(b,c)}catch(f){P(d);if(f!==f+0&&"longjmp"!==f)throw f;Z(1,0)}}function vc(a,b,c,d,f,g,h,k,m,p){var q=Y();try{return H.get(a)(b,c,d,f,g,h,k,m,p)}catch(v){P(q);if(v!==v+0&&"longjmp"!==v)throw v;Z(1,0)}}function wc(a,b,c,d,f,g,h,k,m,p,q,v){var C=Y();try{return H.get(a)(b,c,d,f,g,h,k,m,p,q,v)}catch(z){P(C);if(z!==z+0&&"longjmp"!==z)throw z;Z(1,0)}}
+function tc(a,b,c,d,f){var g=Y();try{return H.get(a)(b,c,d,f)}catch(h){P(g);if(h!==h+0&&"longjmp"!==h)throw h;Z(1,0)}}function uc(a,b,c,d,f,g,h,k,m){var p=Y();try{return H.get(a)(b,c,d,f,g,h,k,m)}catch(q){P(p);if(q!==q+0&&"longjmp"!==q)throw q;Z(1,0)}}function xc(a,b,c,d,f,g){var h=Y();try{return Ec(a,b,c,d,f,g)}catch(k){P(h);if(k!==k+0&&"longjmp"!==k)throw k;Z(1,0)}}y.PThread=L;y.PThread=L;y.wasmMemory=e;y.ExitStatus=bb;var Fc;
+function bb(a){this.name="ExitStatus";this.message="Program terminated with exit("+a+")";this.status=a}Na=function Gc(){Fc||Hc();Fc||(Na=Gc)};
+function Hc(){function a(){if(!Fc&&(Fc=!0,y.calledRun=!0,!wa)){B||Sa(Ja);ma(y);if(y.onRuntimeInitialized)y.onRuntimeInitialized();if(!B){if(y.postRun)for("function"==typeof y.postRun&&(y.postRun=[y.postRun]);y.postRun.length;){var b=y.postRun.shift();Ka.unshift(b)}Sa(Ka)}}}if(!(0<I))if(B)ma(y),B||Sa(Ja),postMessage({cmd:"loaded"});else{if(!B){if(y.preRun)for("function"==typeof y.preRun&&(y.preRun=[y.preRun]);y.preRun.length;)La();Sa(Ia)}0<I||(y.setStatus?(y.setStatus("Running..."),setTimeout(function(){setTimeout(function(){y.setStatus("")},
+1);a()},1)):a())}}y.run=Hc;if(y.preInit)for("function"==typeof y.preInit&&(y.preInit=[y.preInit]);0<y.preInit.length;)y.preInit.pop()();B&&(noExitRuntime=!1,L.Ab());Hc();
+
+
+  return Module.ready
+}
+);
+})();
+export default Module;
--- a/codecs/avif/enc/avif_enc_mt.wasm
+++ b/codecs/avif/enc/avif_enc_mt.wasm
--- a/codecs/avif/enc/avif_enc_mt.worker.js
+++ b/codecs/avif/enc/avif_enc_mt.worker.js
@@ -0,0 +1 @@
+"use strict";var Module={};var initializedJS=false;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:Module["_pthread_self"]()})}var err=threadPrintErr;self.alert=threadAlert;Module["instantiateWasm"]=function(info,receiveInstance){var instance=new WebAssembly.Instance(Module["wasmModule"],info);receiveInstance(instance);Module["wasmModule"]=null;return instance.exports};function moduleLoaded(){}self.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;(e.data.urlOrBlob?import(e.data.urlOrBlob):import("./avif_enc_mt.js")).then(function(exports){return exports.default(Module)}).then(function(instance){Module=instance;moduleLoaded()})}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;Module["__emscripten_thread_init"](e.data.threadInfoStruct,/*isMainBrowserThread=*/0,/*isMainRuntimeThread=*/0);var max=e.data.stackBase;var top=e.data.stackBase+e.data.stackSize;Module["establishStackSpace"](top,max);Module["PThread"].receiveObjectTransfer(e.data);Module["PThread"].threadInit();if(!initializedJS){Module["___embind_register_native_and_builtin_types"]();initializedJS=true}try{var result=Module["invokeEntryPoint"](e.data.start_routine,e.data.arg);if(Module["keepRuntimeAlive"]()){Module["PThread"].setExitStatus(result)}else{Module["PThread"].threadExit(result)}}catch(ex){if(ex==="Canceled!"){Module["PThread"].threadCancel()}else if(ex!="unwind"){if(ex instanceof Module["ExitStatus"]){if(Module["keepRuntimeAlive"]()){}else{Module["PThread"].threadExit(ex.status)}}else{Module["PThread"].threadExit(-2);throw ex}}}}else if(e.data.cmd==="cancel"){if(Module["_pthread_self"]()){Module["PThread"].threadCancel()}}else if(e.data.target==="setimmediate"){}else if(e.data.cmd==="processThreadQueue"){if(Module["_pthread_self"]()){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}};
--- a/codecs/avif/enc/avif_node_enc.js
+++ b/codecs/avif/enc/avif_node_enc.js
@@ -0,0 +1,62 @@
+
+var Module = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(Module) {
+  Module = Module || {};
+
+
+var e;e||(e=typeof Module !== 'undefined' ? Module : {});var aa,ca;e.ready=new Promise(function(a,b){aa=a;ca=b});var u={},v;for(v in e)e.hasOwnProperty(v)&&(u[v]=e[v]);var da,ea,fa,ha;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||w("Assertion failed: undefined");return a};1<process.argv.length&&process.argv[1].replace(/\\/g,"/");process.argv.slice(2);
+process.on("uncaughtException",function(a){throw a;});process.on("unhandledRejection",w);e.inspect=function(){return"[Emscripten Module object]"};var ia=e.print||console.log.bind(console),x=e.printErr||console.warn.bind(console);for(v in u)u.hasOwnProperty(v)&&(e[v]=u[v]);u=null;var ja=0,y;e.wasmBinary&&(y=e.wasmBinary);var noExitRuntime=e.noExitRuntime||!0;"object"!==typeof WebAssembly&&w("no native wasm support detected");var ka,la=!1,ma=new TextDecoder("utf8");
+function na(a,b,c){var d=z;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 k=a.charCodeAt(++f);g=65536+((g&1023)<<10)|k&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 oa=new TextDecoder("utf-16le");
+function pa(a,b){var c=a>>1;for(b=c+b/2;!(c>=b)&&B[c];)++c;return oa.decode(z.subarray(a,c<<1))}function qa(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)C[b>>1]=a.charCodeAt(f),b+=2;C[b>>1]=0;return b-d}function ra(a){return 2*a.length}function sa(a,b){for(var c=0,d="";!(c>=b/4);){var f=D[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 ta(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 k=a.charCodeAt(++f);g=65536+((g&1023)<<10)|k&1023}D[b>>2]=g;b+=4;if(b+4>c)break}D[b>>2]=0;return b-d}function ua(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 va,wa,z,C,B,D,E,xa,ya;
+function za(){var a=ka.buffer;va=a;e.HEAP8=wa=new Int8Array(a);e.HEAP16=C=new Int16Array(a);e.HEAP32=D=new Int32Array(a);e.HEAPU8=z=new Uint8Array(a);e.HEAPU16=B=new Uint16Array(a);e.HEAPU32=E=new Uint32Array(a);e.HEAPF32=xa=new Float32Array(a);e.HEAPF64=ya=new Float64Array(a)}var F,Aa=[],Ba=[],Ca=[];function Da(){var a=e.preRun.shift();Aa.unshift(a)}var G=0,Ea=null,H=null;e.preloadedImages={};e.preloadedAudios={};
+function w(a){if(e.onAbort)e.onAbort(a);x(a);la=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");ca(a);throw a;}var J=(new URL("avif_node_enc.wasm",import.meta.url)).toString();function Fa(){return Promise.resolve().then(function(){a:{try{if(J==J&&y){var a=new Uint8Array(y);break a}if(ea){a=ea(J);break a}throw"both async and sync fetching of the wasm failed";}catch(b){w(b)}a=void 0}return a})}
+function Ga(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(e);else{var c=b.va;"number"===typeof c?void 0===b.ga?F.get(c)():F.get(c)(b.ga):c(void 0===b.ga?null:b.ga)}}}var Ha=[null,[],[]],Ia={},K={};function Ja(a){for(;a.length;){var b=a.pop();a.pop()(b)}}function L(a){return this.fromWireType(E[a>>2])}var M={},N={},O={};function Ka(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 La(a,b){a=Ka(a);return(new Function("body","return function "+a+'() {\n    "use strict";    return body.apply(this, arguments);\n};\n'))(b)}function Ma(a){var b=Error,c=La(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 Na=void 0;function Oa(a,b,c){function d(h){h=c(h);if(h.length!==a.length)throw new Na("Mismatched type converter count");for(var l=0;l<a.length;++l)P(a[l],h[l])}a.forEach(function(h){O[h]=b});var f=Array(b.length),g=[],k=0;b.forEach(function(h,l){N.hasOwnProperty(h)?f[l]=N[h]:(g.push(h),M.hasOwnProperty(h)||(M[h]=[]),M[h].push(function(){f[l]=N[h];++k;k===g.length&&d(f)}))});0===g.length&&d(f)}
+function Pa(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 Qa=void 0;function Q(a){for(var b="";z[a];)b+=Qa[z[a++]];return b}var Ra=void 0;function R(a){throw new Ra(a);}
+function P(a,b,c){c=c||{};if(!("argPackAdvance"in b))throw new TypeError("registerType registeredInstance requires argPackAdvance");var d=b.name;a||R('type "'+d+'" must have a positive integer typeid pointer');if(N.hasOwnProperty(a)){if(c.oa)return;R("Cannot register type '"+d+"' twice")}N[a]=b;delete O[a];M.hasOwnProperty(a)&&(b=M[a],delete M[a],b.forEach(function(f){f()}))}var Sa=[],S=[{},{value:void 0},{value:null},{value:!0},{value:!1}];
+function Ta(a){4<a&&0===--S[a].ha&&(S[a]=void 0,Sa.push(a))}function U(a){switch(a){case void 0:return 1;case null:return 2;case !0:return 3;case !1:return 4;default:var b=Sa.length?Sa.pop():S.length;S[b]={ha:1,value:a};return b}}function Ua(a){if(null===a)return"null";var b=typeof a;return"object"===b||"array"===b||"function"===b?a.toString():""+a}
+function Va(a,b){switch(b){case 2:return function(c){return this.fromWireType(xa[c>>2])};case 3:return function(c){return this.fromWireType(ya[c>>3])};default:throw new TypeError("Unknown float type: "+a);}}function Wa(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=La(b.name||"unknownFunctionName",function(){});c.prototype=b.prototype;c=new c;a=b.apply(c,a);return a instanceof Object?a:c}
+function Xa(a,b){var c=e;if(void 0===c[a].ea){var d=c[a];c[a]=function(){c[a].ea.hasOwnProperty(arguments.length)||R("Function '"+b+"' called with an invalid number of arguments ("+arguments.length+") - expects one of ("+c[a].ea+")!");return c[a].ea[arguments.length].apply(this,arguments)};c[a].ea=[];c[a].ea[d.ja]=d}}
+function Ya(a,b,c){e.hasOwnProperty(a)?((void 0===c||void 0!==e[a].ea&&void 0!==e[a].ea[c])&&R("Cannot register public name '"+a+"' twice"),Xa(a,a),e.hasOwnProperty(c)&&R("Cannot register multiple overloads of a function with the same number of arguments ("+c+")!"),e[a].ea[c]=b):(e[a]=b,void 0!==c&&(e[a].ya=c))}function Za(a,b){for(var c=[],d=0;d<a;d++)c.push(D[(b>>2)+d]);return c}
+function $a(a,b){var c=[];return function(){c.length=arguments.length;for(var d=0;d<arguments.length;d++)c[d]=arguments[d];a.includes("j")?(d=e["dynCall_"+a],d=c&&c.length?d.apply(null,[b].concat(c)):d.call(null,b)):d=F.get(b).apply(null,c);return d}}function V(a,b){a=Q(a);var c=a.includes("j")?$a(a,b):F.get(b);"function"!==typeof c&&R("unknown function pointer with signature "+a+": "+b);return c}var ab=void 0;function bb(a){a=cb(a);var b=Q(a);W(a);return b}
+function db(a,b){function c(g){f[g]||N[g]||(O[g]?O[g].forEach(c):(d.push(g),f[g]=!0))}var d=[],f={};b.forEach(c);throw new ab(a+": "+d.map(bb).join([", "]));}function eb(a,b,c){switch(b){case 0:return c?function(d){return wa[d]}:function(d){return z[d]};case 1:return c?function(d){return C[d>>1]}:function(d){return B[d>>1]};case 2:return c?function(d){return D[d>>2]}:function(d){return E[d>>2]};default:throw new TypeError("Unknown integer type: "+a);}}var fb={};
+function gb(){return"object"===typeof globalThis?globalThis:Function("return this")()}function hb(a,b){var c=N[a];void 0===c&&R(b+" has unknown type "+bb(a));return c}var ib={};Na=e.InternalError=Ma("InternalError");for(var jb=Array(256),kb=0;256>kb;++kb)jb[kb]=String.fromCharCode(kb);Qa=jb;Ra=e.BindingError=Ma("BindingError");e.count_emval_handles=function(){for(var a=0,b=5;b<S.length;++b)void 0!==S[b]&&++a;return a};
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+var vb={O:function(){},s:function(){return 0},G:function(){return 0},H:function(){},x:function(a){var b=K[a];delete K[a];var c=b.pa,d=b.qa,f=b.ia,g=f.map(function(k){return k.na}).concat(f.map(function(k){return k.sa}));Oa([a],g,function(k){var h={};f.forEach(function(l,n){var m=k[n],p=l.la,r=l.ma,t=k[n+f.length],q=l.ra,ba=l.ta;h[l.ka]={read:function(A){return m.fromWireType(p(r,A))},write:function(A,I){var T=[];q(ba,A,t.toWireType(T,I));Ja(T)}}});return[{name:b.name,fromWireType:function(l){var n=
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+"var arg"+q+"Wired = argType"+q+".toWireType("+T+", arg"+q+"); // "+l[q+2].name+"\n",A.push("argType"+q),m.push(l[q+2]);r&&(I="thisWired"+(0<I.length?", ":"")+I);n+=(ba?"var rv = ":"")+"invoker(fn"+(0<I.length?", ":"")+I+");\n";if(t)n+="runDestructors(destructors);\n";else for(q=r?1:2;q<l.length;++q)p=1===q?"thisWired":"arg"+(q-2)+"Wired",null!==l[q].fa&&(n+=p+"_dtor("+p+"); // "+l[q].name+"\n",A.push(p+"_dtor"),m.push(l[q].fa));ba&&(n+="var ret = retType.fromWireType(rv);\nreturn ret;\n");A.push(n+
+"}\n");l=Wa(A).apply(null,m);q=b-1;if(!e.hasOwnProperty(h))throw new Na("Replacing nonexistant public symbol");void 0!==e[h].ea&&void 0!==q?e[h].ea[q]=l:(e[h]=l,e[h].ja=q);return[]})},i:function(a,b,c,d,f){function g(n){return n}b=Q(b);-1===f&&(f=4294967295);var k=Pa(c);if(0===d){var h=32-8*c;g=function(n){return n<<h>>>h}}var l=b.includes("unsigned");P(a,{name:b,fromWireType:g,toWireType:function(n,m){if("number"!==typeof m&&"boolean"!==typeof m)throw new TypeError('Cannot convert "'+Ua(m)+'" to '+
+this.name);if(m<d||m>f)throw new TypeError('Passing a number "'+Ua(m)+'" from JS side to C/C++ side to an argument of type "'+b+'", which is outside the valid range ['+d+", "+f+"]!");return l?m>>>0:m|0},argPackAdvance:8,readValueFromPointer:eb(b,k,0!==d),fa:null})},e:function(a,b,c){function d(g){g>>=2;var k=E;return new f(va,k[g+1],k[g])}var f=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array][b];c=Q(c);P(a,{name:c,fromWireType:d,argPackAdvance:8,readValueFromPointer:d},
+{oa:!0})},u:function(a,b){b=Q(b);var c="std::string"===b;P(a,{name:b,fromWireType:function(d){var f=E[d>>2];if(c)for(var g=d+4,k=0;k<=f;++k){var h=d+4+k;if(k==f||0==z[h]){if(g){for(var l=g+(h-g),n=g;!(n>=l)&&z[n];)++n;g=ma.decode(z.subarray(g,n))}else g="";if(void 0===m)var m=g;else m+=String.fromCharCode(0),m+=g;g=h+1}}else{m=Array(f);for(k=0;k<f;++k)m[k]=String.fromCharCode(z[d+4+k]);m=m.join("")}W(d);return m},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||R("Cannot pass non-string to std::string");var k=(c&&g?function(){for(var n=0,m=0;m<f.length;++m){var p=f.charCodeAt(m);55296<=p&&57343>=p&&(p=65536+((p&1023)<<10)|f.charCodeAt(++m)&1023);127>=p?++n:n=2047>=p?n+2:65535>=p?n+3:n+4}return n}:function(){return f.length})(),h=lb(4+k+1);E[h>>2]=k;if(c&&g)na(f,h+4,k+1);else if(g)for(g=0;g<k;++g){var l=f.charCodeAt(g);255<l&&(W(h),R("String has UTF-16 code units that do not fit in 8 bits"));
+z[h+4+g]=l}else for(g=0;g<k;++g)z[h+4+g]=f[g];null!==d&&d.push(W,h);return h},argPackAdvance:8,readValueFromPointer:L,fa:function(d){W(d)}})},o:function(a,b,c){c=Q(c);if(2===b){var d=pa;var f=qa;var g=ra;var k=function(){return B};var h=1}else 4===b&&(d=sa,f=ta,g=ua,k=function(){return E},h=2);P(a,{name:c,fromWireType:function(l){for(var n=E[l>>2],m=k(),p,r=l+4,t=0;t<=n;++t){var q=l+4+t*b;if(t==n||0==m[q>>h])r=d(r,q-r),void 0===p?p=r:(p+=String.fromCharCode(0),p+=r),r=q+b}W(l);return p},toWireType:function(l,
+n){"string"!==typeof n&&R("Cannot pass non-string to C++ string type "+c);var m=g(n),p=lb(4+m+b);E[p>>2]=m>>h;f(n,p+4,m+b);null!==l&&l.push(W,p);return p},argPackAdvance:8,readValueFromPointer:L,fa:function(l){W(l)}})},z:function(a,b,c,d,f,g){K[a]={name:Q(b),pa:V(c,d),qa:V(f,g),ia:[]}},g:function(a,b,c,d,f,g,k,h,l,n){K[a].ia.push({ka:Q(b),na:c,la:V(d,f),ma:g,sa:k,ra:V(h,l),ta:n})},L:function(a,b){b=Q(b);P(a,{xa:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},j:Ta,N:function(a){if(0===
+a)return U(gb());var b=fb[a];a=void 0===b?Q(a):b;return U(gb()[a])},v:function(a){4<a&&(S[a].ha+=1)},D:function(a,b,c,d){a||R("Cannot use deleted val. handle = "+a);a=S[a].value;var f=ib[b];if(!f){f="";for(var g=0;g<b;++g)f+=(0!==g?", ":"")+"arg"+g;var k="return function emval_allocator_"+b+"(constructor, argTypes, args) {\n";for(g=0;g<b;++g)k+="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",k+("var obj = new constructor("+f+");\nreturn __emval_register(obj);\n}\n")))(hb,e,U);ib[b]=f}return f(a,c,d)},f:function(){w()},d:function(a,b){X(a,b||1);throw"longjmp";},E:function(a,b,c){z.copyWithin(a,b,b+c)},n:function(a){var b=z.length;a>>>=0;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(a,d);0<d%65536&&(d+=65536-d%65536);a:{try{ka.grow(Math.min(2147483648,
+d)-va.byteLength+65535>>>16);za();var f=1;break a}catch(g){}f=void 0}if(f)return!0}return!1},r:function(){return 0},F:function(a,b,c,d){a=Ia.wa(a);b=Ia.ua(a,b,c);D[d>>2]=b;return 0},A:function(){},I:function(a,b,c,d){for(var f=0,g=0;g<c;g++){for(var k=D[b+8*g>>2],h=D[b+(8*g+4)>>2],l=0;l<h;l++){var n=z[k+l],m=Ha[a];if(0===n||10===n){n=1===a?ia:x;var p;for(p=0;m[p]&&!(NaN<=p);)++p;p=ma.decode(m.subarray?m.subarray(0,p):new Uint8Array(m.slice(0,p)));n(p);m.length=0}else m.push(n)}f+=h}D[d>>2]=f;return 0},
+b:function(){return ja},l:mb,p:nb,q:ob,C:pb,y:qb,m:rb,h:sb,c:tb,k:ub,a:function(a){ja=a},M:function(a){var b=Date.now()/1E3|0;a&&(D[a>>2]=b);return b}};
+(function(){function a(f){e.asm=f.exports;ka=e.asm.P;za();F=e.asm.Y;Ba.unshift(e.asm.Q);G--;e.monitorRunDependencies&&e.monitorRunDependencies(G);0==G&&(null!==Ea&&(clearInterval(Ea),Ea=null),H&&(f=H,H=null,f()))}function b(f){a(f.instance)}function c(f){return Fa().then(function(g){return WebAssembly.instantiate(g,d)}).then(f,function(g){x("failed to asynchronously prepare wasm: "+g);w(g)})}var d={a:vb};G++;e.monitorRunDependencies&&e.monitorRunDependencies(G);if(e.instantiateWasm)try{return e.instantiateWasm(d,
+a)}catch(f){return x("Module.instantiateWasm callback failed with error: "+f),!1}(function(){return y||"function"!==typeof WebAssembly.instantiateStreaming||J.startsWith("data:application/octet-stream;base64,")||"function"!==typeof fetch?c(b):fetch(J,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,d).then(b,function(g){x("wasm streaming compile failed: "+g);x("falling back to ArrayBuffer instantiation");return c(b)})})})().catch(ca);return{}})();
+e.___wasm_call_ctors=function(){return(e.___wasm_call_ctors=e.asm.Q).apply(null,arguments)};var lb=e._malloc=function(){return(lb=e._malloc=e.asm.R).apply(null,arguments)},W=e._free=function(){return(W=e._free=e.asm.S).apply(null,arguments)},cb=e.___getTypeName=function(){return(cb=e.___getTypeName=e.asm.T).apply(null,arguments)};e.___embind_register_native_and_builtin_types=function(){return(e.___embind_register_native_and_builtin_types=e.asm.U).apply(null,arguments)};
+var Y=e.stackSave=function(){return(Y=e.stackSave=e.asm.V).apply(null,arguments)},Z=e.stackRestore=function(){return(Z=e.stackRestore=e.asm.W).apply(null,arguments)},X=e._setThrew=function(){return(X=e._setThrew=e.asm.X).apply(null,arguments)};e.dynCall_jiiiiiiiii=function(){return(e.dynCall_jiiiiiiiii=e.asm.Z).apply(null,arguments)};var wb=e.dynCall_ijiii=function(){return(wb=e.dynCall_ijiii=e.asm._).apply(null,arguments)};e.dynCall_jiji=function(){return(e.dynCall_jiji=e.asm.$).apply(null,arguments)};
+e.dynCall_jiiiiiiii=function(){return(e.dynCall_jiiiiiiii=e.asm.aa).apply(null,arguments)};e.dynCall_jiiiiii=function(){return(e.dynCall_jiiiiii=e.asm.ba).apply(null,arguments)};e.dynCall_jiiiii=function(){return(e.dynCall_jiiiii=e.asm.ca).apply(null,arguments)};e.dynCall_iiijii=function(){return(e.dynCall_iiijii=e.asm.da).apply(null,arguments)};function rb(a,b){var c=Y();try{F.get(a)(b)}catch(d){Z(c);if(d!==d+0&&"longjmp"!==d)throw d;X(1,0)}}
+function tb(a,b,c,d,f){var g=Y();try{F.get(a)(b,c,d,f)}catch(k){Z(g);if(k!==k+0&&"longjmp"!==k)throw k;X(1,0)}}function sb(a,b,c){var d=Y();try{F.get(a)(b,c)}catch(f){Z(d);if(f!==f+0&&"longjmp"!==f)throw f;X(1,0)}}function ob(a,b,c,d,f,g,k,h,l,n){var m=Y();try{return F.get(a)(b,c,d,f,g,k,h,l,n)}catch(p){Z(m);if(p!==p+0&&"longjmp"!==p)throw p;X(1,0)}}function pb(a,b,c,d,f,g,k,h,l,n,m,p){var r=Y();try{return F.get(a)(b,c,d,f,g,k,h,l,n,m,p)}catch(t){Z(r);if(t!==t+0&&"longjmp"!==t)throw t;X(1,0)}}
+function mb(a,b,c,d,f){var g=Y();try{return F.get(a)(b,c,d,f)}catch(k){Z(g);if(k!==k+0&&"longjmp"!==k)throw k;X(1,0)}}function ub(a,b,c,d,f,g,k,h,l,n,m){var p=Y();try{F.get(a)(b,c,d,f,g,k,h,l,n,m)}catch(r){Z(p);if(r!==r+0&&"longjmp"!==r)throw r;X(1,0)}}function nb(a,b,c,d,f,g,k,h,l){var n=Y();try{return F.get(a)(b,c,d,f,g,k,h,l)}catch(m){Z(n);if(m!==m+0&&"longjmp"!==m)throw m;X(1,0)}}
+function qb(a,b,c,d,f,g){var k=Y();try{return wb(a,b,c,d,f,g)}catch(h){Z(k);if(h!==h+0&&"longjmp"!==h)throw h;X(1,0)}}var xb;H=function yb(){xb||zb();xb||(H=yb)};
+function zb(){function a(){if(!xb&&(xb=!0,e.calledRun=!0,!la)){Ga(Ba);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();Ca.unshift(b)}Ga(Ca)}}if(!(0<G)){if(e.preRun)for("function"==typeof e.preRun&&(e.preRun=[e.preRun]);e.preRun.length;)Da();Ga(Aa);0<G||(e.setStatus?(e.setStatus("Running..."),setTimeout(function(){setTimeout(function(){e.setStatus("")},1);a()},1)):a())}}e.run=zb;
+if(e.preInit)for("function"==typeof e.preInit&&(e.preInit=[e.preInit]);0<e.preInit.length;)e.preInit.pop()();zb();
+
+
+  return Module.ready
+}
+);
+})();
+export default Module;
--- a/codecs/avif/enc/avif_node_enc.wasm
+++ b/codecs/avif/enc/avif_node_enc.wasm
--- a/codecs/avif/helper.Makefile
+++ b/codecs/avif/helper.Makefile
@@ -0,0 +1,73 @@
+# 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) \
+		$(OUT_FLAGS) \
+		--bind \
+		-s ENVIRONMENT=$(ENVIRONMENT) \
+		-s EXPORT_ES6=1 \
+		-o $@ \
+		$+
+
+$(CODEC_OUT): $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_OUT)
+	emcmake cmake \
+		-DCMAKE_BUILD_TYPE=Release \
+		-DBUILD_SHARED_LIBS=0 \
+		-DAVIF_CODEC_AOM=1 \
+		-DAOM_LIBRARY=$(LIBAOM_OUT) \
+		-DAOM_INCLUDE_DIR=$(LIBAOM_DIR) \
+		$(LIBAVIF_FLAGS) \
+		-B $(CODEC_BUILD_DIR) \
+		$(CODEC_DIR) && \
+	$(MAKE) -C $(CODEC_BUILD_DIR)
+
+$(LIBAOM_OUT): $(LIBAOM_DIR)/CMakeLists.txt
+	emcmake cmake \
+		-DCMAKE_BUILD_TYPE=Release \
+		-DENABLE_CCACHE=0 \
+		-DAOM_TARGET_CPU=generic \
+		-DENABLE_DOCS=0 \
+		-DENABLE_TESTS=0 \
+		-DENABLE_EXAMPLES=0 \
+		-DENABLE_TOOLS=0 \
+		-DCONFIG_ACCOUNTING=1 \
+		-DCONFIG_INSPECTION=0 \
+		-DCONFIG_RUNTIME_CPU_DETECT=0 \
+		-DCONFIG_WEBM_IO=0 \
+		$(LIBAOM_FLAGS) \
+		-B $(LIBAOM_BUILD_DIR) \
+		$(LIBAOM_DIR) && \
+	$(MAKE) -C $(LIBAOM_BUILD_DIR)
+
+clean:
+	$(RM) $(OUT_JS) $(OUT_WASM) $(OUT_WORKER)
+	$(MAKE) -C $(CODEC_BUILD_DIR) clean
+	$(MAKE) -C $(LIBAOM_BUILD_DIR) clean
--- a/codecs/avif/package.json
+++ b/codecs/avif/package.json
@@ -0,0 +1,6 @@
+{
+  "name": "avif",
+  "scripts": {
+    "build": "../build-cpp.sh"
+  }
+}
--- a/codecs/build-cpp.sh
+++ b/codecs/build-cpp.sh
@@ -0,0 +1,3 @@
+#!/bin/sh -e
+docker build -t squoosh-cpp - < ../cpp.Dockerfile
+docker run -it --rm -v $PWD:/src squoosh-cpp "$@"
--- a/codecs/build-rust.sh
+++ b/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 $IMG_NAME "$@"
--- a/codecs/cpp.Dockerfile
+++ b/codecs/cpp.Dockerfile
@@ -0,0 +1,17 @@
+FROM emscripten/emsdk:2.0.21
+RUN apt-get update && apt-get install -qqy autoconf libtool pkg-config
+ENV CFLAGS "-O3 -flto"
+ENV CXXFLAGS "${CFLAGS} -std=c++17"
+ENV LDFLAGS "${CFLAGS} \
+--closure 1 \
+-s FILESYSTEM=0 \
+-s PTHREAD_POOL_SIZE=navigator.hardwareConcurrency \
+-s ALLOW_MEMORY_GROWTH=1 \
+-s TEXTDECODER=2 \
+"
+# Build and cache standard libraries with these flags + Embind.
+RUN emcc ${CXXFLAGS} ${LDFLAGS} --bind -xc++ /dev/null -o /dev/null
+# And another set for the pthread variant.
+RUN emcc ${CXXFLAGS} ${LDFLAGS} --bind -pthread -xc++ /dev/null -o /dev/null
+WORKDIR /src
+CMD ["sh", "-c", "emmake make -j`nproc`"]
--- a/codecs/hqx/.gitignore
+++ b/codecs/hqx/.gitignore
@@ -0,0 +1 @@
+/target
--- a/codecs/hqx/Cargo.lock
+++ b/codecs/hqx/Cargo.lock
@@ -0,0 +1,292 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "bumpalo"
+version = "3.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
+
+[[package]]
+name = "cfg-if"
+version = "0.1.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+
+[[package]]
+name = "cfg-if"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
+
+[[package]]
+name = "console_error_panic_hook"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8d976903543e0c48546a91908f21588a680a8c8f984df9a5d69feccb2b2a211"
+dependencies = [
+ "cfg-if 0.1.10",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "futures"
+version = "0.1.29"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b980f2816d6ee8673b6517b52cb0e808a180efc92e5c19d02cdda79066703ef"
+
+[[package]]
+name = "hqx"
+version = "0.1.0"
+source = "git+https://github.com/CryZe/wasmboy-rs?tag=v0.1.3#d7cbae67906796928c8e451b186f3c653924beb8"
+dependencies = [
+ "lazy_static",
+]
+
+[[package]]
+name = "js-sys"
+version = "0.3.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "52732a3d3ad72c58ad2dc70624f9c17b46ecd0943b9a4f1ee37c4c18c5d983e2"
+dependencies = [
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "libc"
+version = "0.2.73"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd7d4bd64732af4bf3a67f367c27df8520ad7e230c5817b8ff485864d80242b9"
+
+[[package]]
+name = "log"
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+checksum = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"
+dependencies = [
+ "cfg-if 0.1.10",
+]
+
+[[package]]
+name = "memory_units"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8452105ba047068f40ff7093dd1d9da90898e63dd61736462e9cdda6a90ad3c3"
+
+[[package]]
+name = "proc-macro2"
+version = "0.4.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
+dependencies = [
+ "unicode-xid 0.1.0",
+]
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.27"
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+checksum = "f0d8caf72986c1a598726adc988bb5984792ef84f5ee5aa50209145ee8077038"
+dependencies = [
+ "unicode-xid 0.2.1",
+]
+
+[[package]]
+name = "quote"
+version = "0.6.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
+dependencies = [
+ "proc-macro2 0.4.30",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
+dependencies = [
+ "proc-macro2 1.0.27",
+]
+
+[[package]]
+name = "scoped-tls"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea6a9290e3c9cf0f18145ef7ffa62d68ee0bf5fcd651017e586dc7fd5da448c2"
+
+[[package]]
+name = "squooshhqx"
+version = "0.1.0"
+dependencies = [
+ "cfg-if 0.1.10",
+ "console_error_panic_hook",
+ "hqx",
+ "wasm-bindgen",
+ "wasm-bindgen-test",
+ "wee_alloc",
+]
+
+[[package]]
+name = "syn"
+version = "1.0.72"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1e8cdbefb79a9a5a65e0db8b47b723ee907b7c7f8496c76a1770b5c310bab82"
+dependencies = [
+ "proc-macro2 1.0.27",
+ "quote 1.0.7",
+ "unicode-xid 0.2.1",
+]
+
+[[package]]
+name = "unicode-xid"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
+
+[[package]]
+name = "unicode-xid"
+version = "0.2.1"
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+checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
+
+[[package]]
+name = "wasm-bindgen"
+version = "0.2.74"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d54ee1d4ed486f78874278e63e4069fc1ab9f6a18ca492076ffb90c5eb2997fd"
+dependencies = [
+ "cfg-if 1.0.0",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-backend"
+version = "0.2.74"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b33f6a0694ccfea53d94db8b2ed1c3a8a4c86dd936b13b9f0a15ec4a451b900"
+dependencies = [
+ "bumpalo",
+ "lazy_static",
+ "log",
+ "proc-macro2 1.0.27",
+ "quote 1.0.7",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.3.27"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83420b37346c311b9ed822af41ec2e82839bfe99867ec6c54e2da43b7538771c"
+dependencies = [
+ "cfg-if 0.1.10",
+ "futures",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "wasm-bindgen-macro"
+version = "0.2.74"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "088169ca61430fe1e58b8096c24975251700e7b1f6fd91cc9d59b04fb9b18bd4"
+dependencies = [
+ "quote 1.0.7",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.74"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "be2241542ff3d9f241f5e2cb6dd09b37efe786df8851c54957683a49f0987a97"
+dependencies = [
+ "proc-macro2 1.0.27",
+ "quote 1.0.7",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.74"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7cff876b8f18eed75a66cf49b65e7f967cb354a7aa16003fb55dbfd25b44b4f"
+
+[[package]]
+name = "wasm-bindgen-test"
+version = "0.2.50"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2d9693b63a742d481c7f80587e057920e568317b2806988c59cd71618bc26c1"
+dependencies = [
+ "console_error_panic_hook",
+ "futures",
+ "js-sys",
+ "scoped-tls",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "wasm-bindgen-test-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-test-macro"
+version = "0.2.50"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0789dac148a8840bbcf9efe13905463b733fa96543bfbf263790535c11af7ba5"
+dependencies = [
+ "proc-macro2 0.4.30",
+ "quote 0.6.13",
+]
+
+[[package]]
+name = "web-sys"
+version = "0.3.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8be2398f326b7ba09815d0b403095f34dd708579220d099caae89be0b32137b2"
+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "wee_alloc"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dbb3b5a6b2bb17cb6ad44a2e68a43e8d2722c997da10e928665c72ec6c0a0b8e"
+dependencies = [
+ "cfg-if 0.1.10",
+ "libc",
+ "memory_units",
+ "winapi",
+]
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
--- a/codecs/hqx/Cargo.toml
+++ b/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
--- a/codecs/hqx/LICENSE.codec.md
+++ b/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,
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+      "Licensor" shall mean the copyright owner or entity authorized by
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+      "Legal Entity" shall mean the union of the acting entity and all
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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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+      "Source" form shall mean the preferred form for making modifications,
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+      "Work" shall mean the work of authorship, whether in Source or
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+      "Contribution" shall mean any work of authorship, including
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+      on Your own behalf and on Your sole responsibility, not on behalf
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+   END OF TERMS AND CONDITIONS
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+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
+      boilerplate notice, with the fields enclosed by brackets "[]"
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+   Copyright [yyyy] [name of copyright owner]
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+   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
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+       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.
--- a/codecs/hqx/README.md
+++ b/codecs/hqx/README.md
@@ -0,0 +1,5 @@
+# HQX
+
+- Source: <https://github.com/CryZe/wasmboy-rs>
+- Version: v0.1.2
+- License: Apache 2.0
--- a/codecs/hqx/package-lock.json
+++ b/codecs/hqx/package-lock.json
@@ -0,0 +1,4 @@
+{
+  "name": "hqx",
+  "lockfileVersion": 1
+}
--- a/codecs/hqx/package.json
+++ b/codecs/hqx/package.json
@@ -0,0 +1,6 @@
+{
+  "name": "hqx",
+  "scripts": {
+    "build": "../build-rust.sh"
+  }
+}
--- a/codecs/hqx/pkg/README.md
+++ b/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
--- a/codecs/hqx/pkg/package.json
+++ b/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
+}
--- a/codecs/hqx/pkg/squooshhqx.d.ts
+++ b/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>;
--- a/codecs/hqx/pkg/squooshhqx.js
+++ b/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;
+
--- a/codecs/hqx/pkg/squooshhqx_bg.wasm
+++ b/codecs/hqx/pkg/squooshhqx_bg.wasm
--- a/codecs/hqx/src/lib.rs
+++ b/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;
+}
--- a/codecs/hqx/src/utils.rs
+++ b/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() {}
+    }
+}
--- a/codecs/imagequant/LICENSE.codec.md
+++ b/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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+
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+any other work released this way by its authors.  You can apply it to
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+
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+implied warranty.
--- a/codecs/imagequant/Makefile
+++ b/codecs/imagequant/Makefile
@@ -0,0 +1,41 @@
+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} \
+		${LDFLAGS} \
+		--bind \
+		-s ENVIRONMENT=$(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
--- a/codecs/imagequant/README.md
+++ b/codecs/imagequant/README.md
@@ -2,6 +2,7 @@

 - Source: <https://github.com/ImageOptim/libimagequant>
 - Version: v2.12.1
+- License: GPL3

 ## Dependencies

@@ -24,7 +25,3 @@ Quantizes the given images, using at most `numColors`, a value between 2 and 256
 ### `RawImage zx_quantize(std::string buffer, int image_width, int image_height, float dithering)`

 ???
-
-### `void free_result()`
-
-Frees the result created by `quantize()`.
--- a/codecs/imagequant/build.sh
+++ b/codecs/imagequant/build.sh
@@ -1,48 +0,0 @@
-#!/bin/bash
-
-set -e
-
-export OPTIMIZE="-Os"
-export LDFLAGS="${OPTIMIZE}"
-export CFLAGS="${OPTIMIZE}"
-export CPPFLAGS="${OPTIMIZE}"
-
-echo "============================================="
-echo "Compiling libimagequant"
-echo "============================================="
-(
-  emcc \
-    --bind \
-    ${OPTIMIZE} \
-    -s ALLOW_MEMORY_GROWTH=1 \
-    -s MODULARIZE=1 \
-    -s 'EXPORT_NAME="imagequant"' \
-    -I node_modules/libimagequant \
-    --std=c99 \
-    -c \
-    node_modules/libimagequant/{libimagequant,pam,mediancut,blur,mempool,kmeans,nearest}.c
-)
-echo "============================================="
-echo "Compiling wasm module"
-echo "============================================="
-(
-  emcc \
-    --bind \
-    ${OPTIMIZE} \
-    -s ALLOW_MEMORY_GROWTH=1 \
-    -s MODULARIZE=1 \
-    -s 'EXPORT_NAME="imagequant"' \
-    -I node_modules/libimagequant \
-    -o ./imagequant.js \
-    --std=c++11 *.o \
-    -x c++ \
-    imagequant.cpp
-)
-echo "============================================="
-echo "Compiling wasm module done"
-echo "============================================="
-
-echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
-echo "Did you update your docker image?"
-echo "Run \`docker pull trzeci/emscripten\`"
-echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
--- a/codecs/imagequant/example.html
+++ b/codecs/imagequant/example.html
@@ -1,18 +1,17 @@
-<!doctype html>
+<!DOCTYPE html>
 <style>
  canvas {
    image-rendering: pixelated;
  }
 </style>
-<script src='imagequant.js'></script>
-<script>
-  const Module = imagequant();
+<script type="module">
+  import imagequant from './imagequant.js';

  async function loadImage(src) {
    // Load image
    const img = document.createElement('img');
    img.src = src;
-    await new Promise(resolve => img.onload = resolve);
+    await new Promise((resolve) => (img.onload = resolve));
    // Make canvas same size as image
    const canvas = document.createElement('canvas');
    [canvas.width, canvas.height] = [img.width, img.height];
@@ -22,20 +21,32 @@
    return ctx.getImageData(0, 0, img.width, img.height);
  }

-  Module.onRuntimeInitialized = async _ => {
-    console.log('Version:', Module.version().toString(16));
-    const image = await loadImage('../example.png');
-    // const rawImage = Module.quantize(image.data, image.width, image.height, 256, 1.0);
-    const rawImage = Module.zx_quantize(image.data, image.width, image.height, 1.0);
-    console.log('done');
-    Module.free_result();
+  async function main() {
+    const module = await imagequant();

-    const imageData = new ImageData(new Uint8ClampedArray(rawImage.buffer), rawImage.width, rawImage.height);
+    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>
--- a/codecs/imagequant/imagequant.cpp
+++ b/codecs/imagequant/imagequant.cpp
@@ -1,95 +1,87 @@
-#include "emscripten/bind.h"
-#include "emscripten/val.h"
-#include <stdlib.h>
+#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);
+  return (((LIQ_VERSION / 10000) % 100) << 16) | (((LIQ_VERSION / 100) % 100) << 8) |
+         (((LIQ_VERSION / 1) % 100) << 0);
 }

-class RawImage {
-public:
-  val buffer;
-  int width;
-  int height;
+thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");

-  RawImage(val b, int w, int h)
-    : buffer(b), width(w), height(h) {}
-};
+#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_attr *attr;
-liq_image *image;
-liq_result *res;
-uint8_t* result;
-RawImage quantize(std::string rawimage, int image_width, int image_height, int num_colors, float dithering) {
-  const uint8_t* image_buffer = (uint8_t*)rawimage.c_str();
-  int size = image_width * image_height;
-  attr = liq_attr_create();
-  image = liq_image_create_rgba(attr, image_buffer, image_width, image_height, 0);
-  liq_set_max_colors(attr, num_colors);
+liq_result_ptr liq_image_quantize(liq_image* image, liq_attr* attr) {
+  liq_result* res = nullptr;
  liq_image_quantize(image, attr, &res);
-  liq_set_dithering_level(res, dithering);
-  uint8_t* image8bit = (uint8_t*) malloc(size);
-  result = (uint8_t*) malloc(size * 4);
-  liq_write_remapped_image(res, image, image8bit, size);
-  const liq_palette *pal = liq_get_palette(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 * 4 + 0] = pal->entries[image8bit[i]].r;
-    result[i * 4 + 1] = pal->entries[image8bit[i]].g;
-    result[i * 4 + 2] = pal->entries[image8bit[i]].b;
-    result[i * 4 + 3] = pal->entries[image8bit[i]].a;
+  for (int i = 0; i < size; i++) {
+    result[i] = pal->entries[image8bit[i]];
  }
-  free(image8bit);
-  liq_result_destroy(res);
-  liq_image_destroy(image);
-  liq_attr_destroy(attr);
-  return {
-    val(typed_memory_view(image_width*image_height*4, result)),
-    image_width,
-    image_height
-  };
+  return Uint8ClampedArray.new_(
+      typed_memory_view(result.size() * sizeof(liq_color), (const uint8_t*)result.data()));
 }

 const liq_color zx_colors[] = {
-  {.a = 255, .r = 0, .g = 0, .b = 0},       // regular black
-  {.a = 255, .r = 0, .g = 0, .b = 215},     // regular blue
-  {.a = 255, .r = 215, .g = 0, .b = 0},     // regular red
-  {.a = 255, .r = 215, .g = 0, .b = 215},   // regular magenta
-  {.a = 255, .r = 0, .g = 215, .b = 0},     // regular green
-  {.a = 255, .r = 0, .g = 215, .b = 215},   // regular cyan
-  {.a = 255, .r = 215, .g = 215, .b = 0},   // regular yellow
-  {.a = 255, .r = 215, .g = 215, .b = 215}, // regular white
-  {.a = 255, .r = 0, .g = 0, .b = 255},     // bright blue
-  {.a = 255, .r = 255, .g = 0, .b = 0},     // bright red
-  {.a = 255, .r = 255, .g = 0, .b = 255},   // bright magenta
-  {.a = 255, .r = 0, .g = 255, .b = 0},     // bright green
-  {.a = 255, .r = 0, .g = 255, .b = 255},   // bright cyan
-  {.a = 255, .r = 255, .g = 255, .b = 0},   // bright yellow
-  {.a = 255, .r = 255, .g = 255, .b = 255}  // bright white
+    {.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
 };

-uint8_t block[8 * 8 * 4];
-
 /**
- * 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.
+ * 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.
 */
-RawImage zx_quantize(std::string rawimage, int image_width, int image_height, float dithering) {
-  const uint8_t* image_buffer = (uint8_t*) rawimage.c_str();
+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;
-  int bytes_per_pixel = 4;
-  result = (uint8_t*) malloc(size * bytes_per_pixel);
-  uint8_t* image8bit = (uint8_t*) malloc(8 * 8);
+  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) {
@@ -99,7 +91,8 @@ RawImage zx_quantize(std::string rawimage, int image_width, int image_height, fl
      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 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;
      }
@@ -111,26 +104,22 @@ RawImage zx_quantize(std::string rawimage, int image_width, int image_height, fl
      // 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 * bytes_per_pixel) + (x * bytes_per_pixel);
+          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];
-          block[block_index++] = image_buffer[pixel_start + 1];
-          block[block_index++] = image_buffer[pixel_start + 2];
-          block[block_index++] = image_buffer[pixel_start + 3];

          // 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.
+            // 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 - image_buffer[pixel_start + 0], 2) +
-              pow(color.g - image_buffer[pixel_start + 1], 2) +
-              pow(color.b - image_buffer[pixel_start + 2], 2);
+                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;
@@ -151,7 +140,8 @@ RawImage zx_quantize(std::string rawimage, int image_width, int image_height, fl

      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:
+          // 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;
@@ -169,8 +159,8 @@ RawImage zx_quantize(std::string rawimage, int image_width, int image_height, fl
        }
      }

-      // ZX images can't mix bright and regular colours, except black which appears in both.
-      // Resolve any conflict:
+      // 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) {
@@ -183,63 +173,44 @@ RawImage zx_quantize(std::string rawimage, int image_width, int image_height, fl
          }
        }

-        // 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, 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;
+        } else
+          break;
      }

      // Quantize
-      attr = liq_attr_create();
-      image = liq_image_create_rgba(attr, block, block_width, block_height, 0);
-      liq_set_max_colors(attr, 2);
-      liq_image_add_fixed_color(image, zx_colors[first_color_index]);
-      liq_image_add_fixed_color(image, zx_colors[second_color_index]);
-      liq_image_quantize(image, attr, &res);
-      liq_set_dithering_level(res, dithering);
-      liq_write_remapped_image(res, image, image8bit, size);
-      const liq_palette *pal = liq_get_palette(res);
+      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++) {
+      // 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) * bytes_per_pixel * image_width) + ((block_start_x + x) * bytes_per_pixel);
-          result[resultStartPos + 0] = pal->entries[image8bit[image8BitPos]].r;
-          result[resultStartPos + 1] = pal->entries[image8bit[image8BitPos]].g;
-          result[resultStartPos + 2] = pal->entries[image8bit[image8BitPos]].b;
-          result[resultStartPos + 3] = pal->entries[image8bit[image8BitPos]].a;
+          int resultStartPos = ((block_start_y + y) * image_width) + (block_start_x + x);
+          result[resultStartPos] = pal->entries[image8bit[image8BitPos]];
        }
      }
-
-      liq_result_destroy(res);
-      liq_image_destroy(image);
-      liq_attr_destroy(attr);
    }
  }

-  free(image8bit);
-  return {
-    val(typed_memory_view(image_width*image_height*4, result)),
-    image_width,
-    image_height
-  };
-}
-
-void free_result() {
-  free(result);
+  return Uint8ClampedArray.new_(
+      typed_memory_view(result.size() * sizeof(liq_color), (const uint8_t*)result.data()));
 }

 EMSCRIPTEN_BINDINGS(my_module) {
-  class_<RawImage>("RawImage")
-    .property("buffer", &RawImage::buffer)
-    .property("width", &RawImage::width)
-    .property("height", &RawImage::height);
-
  function("quantize", &quantize);
  function("zx_quantize", &zx_quantize);
  function("version", &version);
-  function("free_result", &free_result);
 }
--- a/codecs/imagequant/imagequant.d.ts
+++ b/codecs/imagequant/imagequant.d.ts
@@ -1,15 +1,19 @@
-interface RawImage {
-  buffer: Uint8Array;
-  width: number;
-  height: number;
+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;
 }

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

+export default moduleFactory;
--- a/codecs/imagequant/imagequant.js
+++ b/codecs/imagequant/imagequant.js
--- a/codecs/imagequant/imagequant.wasm
+++ b/codecs/imagequant/imagequant.wasm
--- a/codecs/imagequant/imagequant_node.js
+++ b/codecs/imagequant/imagequant_node.js
@@ -0,0 +1,55 @@
+
+var Module = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(Module) {
+  Module = Module || {};
+
+
+var e;e||(e=typeof Module !== 'undefined' ? Module : {});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,v,w,y;ba=function(a){w||(w=require("fs"));y||(y=require("path"));a=y.normalize(a);return w.readFileSync(a,null)};v=function(a){a=ba(a);a.buffer||(a=new Uint8Array(a));a.buffer||z("Assertion failed: undefined");return a};1<process.argv.length&&process.argv[1].replace(/\\/g,"/");process.argv.slice(2);
+process.on("uncaughtException",function(a){throw a;});process.on("unhandledRejection",z);e.inspect=function(){return"[Emscripten Module object]"};var ca=e.print||console.log.bind(console),A=e.printErr||console.warn.bind(console);for(u in t)t.hasOwnProperty(u)&&(e[u]=t[u]);t=null;var C;e.wasmBinary&&(C=e.wasmBinary);var noExitRuntime=e.noExitRuntime||!0;"object"!==typeof WebAssembly&&z("no native wasm support detected");var D,da=!1,ea=new TextDecoder("utf8");
+function fa(a,b,c){var d=E;if(0<c){c=b+c-1;for(var g=0;g<a.length;++g){var f=a.charCodeAt(g);if(55296<=f&&57343>=f){var l=a.charCodeAt(++g);f=65536+((f&1023)<<10)|l&1023}if(127>=f){if(b>=c)break;d[b++]=f}else{if(2047>=f){if(b+1>=c)break;d[b++]=192|f>>6}else{if(65535>=f){if(b+2>=c)break;d[b++]=224|f>>12}else{if(b+3>=c)break;d[b++]=240|f>>18;d[b++]=128|f>>12&63}d[b++]=128|f>>6&63}d[b++]=128|f&63}}d[b]=0}}var ha=new TextDecoder("utf-16le");
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+function sa(){var a=D.buffer;oa=a;e.HEAP8=pa=new Int8Array(a);e.HEAP16=H=new Int16Array(a);e.HEAP32=I=new Int32Array(a);e.HEAPU8=E=new Uint8Array(a);e.HEAPU16=G=new Uint16Array(a);e.HEAPU32=K=new Uint32Array(a);e.HEAPF32=qa=new Float32Array(a);e.HEAPF64=ra=new Float64Array(a)}var L,ta=[],ua=[],va=[];function wa(){var a=e.preRun.shift();ta.unshift(a)}var M=0,xa=null,N=null;e.preloadedImages={};e.preloadedAudios={};
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+b,c){function d(f){f>>=2;var l=K;return new g(oa,l[f+1],l[f])}var g=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array][b];c=P(c);U(a,{name:c,fromWireType:d,argPackAdvance:8,readValueFromPointer:d},{K:!0})},h:function(a,b){b=P(b);var c="std::string"===b;U(a,{name:b,fromWireType:function(d){var g=K[d>>2];if(c)for(var f=d+4,l=0;l<=g;++l){var h=d+4+l;if(l==g||0==E[h]){if(f){for(var k=f+(h-f),m=f;!(m>=k)&&E[m];)++m;f=ea.decode(E.subarray(f,m))}else f="";if(void 0===
+n)var n=f;else n+=String.fromCharCode(0),n+=f;f=h+1}}else{n=Array(g);for(l=0;l<g;++l)n[l]=String.fromCharCode(E[d+4+l]);n=n.join("")}X(d);return n},toWireType:function(d,g){g instanceof ArrayBuffer&&(g=new Uint8Array(g));var f="string"===typeof g;f||g instanceof Uint8Array||g instanceof Uint8ClampedArray||g instanceof Int8Array||T("Cannot pass non-string to std::string");var l=(c&&f?function(){for(var m=0,n=0;n<g.length;++n){var p=g.charCodeAt(n);55296<=p&&57343>=p&&(p=65536+((p&1023)<<10)|g.charCodeAt(++n)&
+1023);127>=p?++m:m=2047>=p?m+2:65535>=p?m+3:m+4}return m}:function(){return g.length})(),h=gb(4+l+1);K[h>>2]=l;if(c&&f)fa(g,h+4,l+1);else if(f)for(f=0;f<l;++f){var k=g.charCodeAt(f);255<k&&(X(h),T("String has UTF-16 code units that do not fit in 8 bits"));E[h+4+f]=k}else for(f=0;f<l;++f)E[h+4+f]=g[f];null!==d&&d.push(X,h);return h},argPackAdvance:8,readValueFromPointer:Ma,G:function(d){X(d)}})},f:function(a,b,c){c=P(c);if(2===b){var d=ia;var g=ja;var f=ka;var l=function(){return G};var h=1}else 4===
+b&&(d=la,g=ma,f=na,l=function(){return K},h=2);U(a,{name:c,fromWireType:function(k){for(var m=K[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=f(m),p=gb(4+n+b);K[p>>2]=n>>h;g(m,p+4,n+b);null!==k&&k.push(X,p);return p},argPackAdvance:8,readValueFromPointer:Ma,G:function(k){X(k)}})},o:function(a,b){b=
+P(b);U(a,{M:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},d:La,k:function(a){if(0===a)return W(bb());var b=ab[a];a=void 0===b?P(a):b;return W(bb()[a])},i:function(a){4<a&&(V[a].I+=1)},j:function(a,b,c,d){a||T("Cannot use deleted val. handle = "+a);a=V[a].value;var g=db[b];if(!g){g="";for(var f=0;f<b;++f)g+=(0!==f?", ":"")+"arg"+f;var l="return function emval_allocator_"+b+"(constructor, argTypes, args) {\n";for(f=0;f<b;++f)l+="var argType"+f+" = requireRegisteredType(Module['HEAP32'][(argTypes >>> 2) + "+
+f+'], "parameter '+f+'");\nvar arg'+f+" = argType"+f+".readValueFromPointer(args);\nargs += argType"+f+"['argPackAdvance'];\n";g=(new Function("requireRegisteredType","Module","__emval_register",l+("var obj = new constructor("+g+");\nreturn __emval_register(obj);\n}\n")))(cb,e,W);db[b]=g}return g(a,c,d)},g:function(){z()},s:function(a,b,c){E.copyWithin(a,b,b+c)},e:function(a){var b=E.length;a>>>=0;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(a,
+d);0<d%65536&&(d+=65536-d%65536);a:{try{D.grow(Math.min(2147483648,d)-oa.byteLength+65535>>>16);sa();var g=1;break a}catch(f){}g=void 0}if(g)return!0}return!1},t:function(){return 0},p:function(){},u:function(a,b,c,d){for(var g=0,f=0;f<c;f++){for(var l=I[b+8*f>>2],h=I[b+(8*f+4)>>2],k=0;k<h;k++){var m=E[l+k],n=eb[a];if(0===m||10===m){m=1===a?ca:A;var p;for(p=0;n[p]&&!(NaN<=p);)++p;p=ea.decode(n.subarray?n.subarray(0,p):new Uint8Array(n.slice(0,p)));m(p);n.length=0}else n.push(m)}g+=h}I[d>>2]=g;return 0},
+r:function(){}};
+(function(){function a(g){e.asm=g.exports;D=e.asm.w;sa();L=e.asm.C;ua.unshift(e.asm.x);M--;e.monitorRunDependencies&&e.monitorRunDependencies(M);0==M&&(null!==xa&&(clearInterval(xa),xa=null),N&&(g=N,N=null,g()))}function b(g){a(g.instance)}function c(g){return ya().then(function(f){return WebAssembly.instantiate(f,d)}).then(g,function(f){A("failed to asynchronously prepare wasm: "+f);z(f)})}var d={a:hb};M++;e.monitorRunDependencies&&e.monitorRunDependencies(M);if(e.instantiateWasm)try{return e.instantiateWasm(d,a)}catch(g){return A("Module.instantiateWasm callback failed with error: "+
+g),!1}(function(){return C||"function"!==typeof WebAssembly.instantiateStreaming||O.startsWith("data:application/octet-stream;base64,")||"function"!==typeof fetch?c(b):fetch(O,{credentials:"same-origin"}).then(function(g){return WebAssembly.instantiateStreaming(g,d).then(b,function(f){A("wasm streaming compile failed: "+f);A("falling back to ArrayBuffer instantiation");return c(b)})})})().catch(r);return{}})();e.___wasm_call_ctors=function(){return(e.___wasm_call_ctors=e.asm.x).apply(null,arguments)};
+var gb=e._malloc=function(){return(gb=e._malloc=e.asm.y).apply(null,arguments)},X=e._free=function(){return(X=e._free=e.asm.z).apply(null,arguments)},Ya=e.___getTypeName=function(){return(Ya=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.D).apply(null,arguments)};var Z;N=function ib(){Z||jb();Z||(N=ib)};
+function jb(){function a(){if(!Z&&(Z=!0,e.calledRun=!0,!da)){za(ua);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();va.unshift(b)}za(va)}}if(!(0<M)){if(e.preRun)for("function"==typeof e.preRun&&(e.preRun=[e.preRun]);e.preRun.length;)wa();za(ta);0<M||(e.setStatus?(e.setStatus("Running..."),setTimeout(function(){setTimeout(function(){e.setStatus("")},1);a()},1)):a())}}e.run=jb;
+if(e.preInit)for("function"==typeof e.preInit&&(e.preInit=[e.preInit]);0<e.preInit.length;)e.preInit.pop()();jb();
+
+
+  return Module.ready
+}
+);
+})();
+export default Module;
--- a/codecs/imagequant/imagequant_node.wasm
+++ b/codecs/imagequant/imagequant_node.wasm
--- a/codecs/imagequant/package-lock.json
+++ b/codecs/imagequant/package-lock.json
--- a/codecs/imagequant/package.json
+++ b/codecs/imagequant/package.json
@@ -1,13 +1,6 @@
 {
  "name": "imagequant",
  "scripts": {
-    "install": "napa",
-    "build": "docker run --rm -v $(pwd):/src trzeci/emscripten ./build.sh"
-  },
-  "napa": {
-    "libimagequant": "ImageOptim/libimagequant#2.12.1"
-  },
-  "devDependencies": {
-    "napa": "3.0.0"
+    "build": "../build-cpp.sh"
  }
 }
--- a/codecs/jxl/Makefile
+++ b/codecs/jxl/Makefile
@@ -0,0 +1,90 @@
+CODEC_URL = https://gitlab.com/wg1/jpeg-xl.git
+CODEC_VERSION = ab7c5e9b6795134377aa4846ceaae2c5bc504f76
+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 $(CODEC_MT_SIMD_BUILD_DIR)/lib/libjxl_threads.a
+
+# Disable errors on deprecated SIMD intrinsics.
+# JPEG-XL & Highway need to catch up, once they do, we can remove this suppression.
+export CXXFLAGS += -Wno-deprecated-declarations
+
+# Compile multithreaded wrappers with -pthread.
+enc/jxl_enc_mt.js enc/jxl_enc_mt_simd.js: CXXFLAGS+=-pthread
+
+$(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 $(CODEC_DIR)/third_party/skcms \
+		--bind \
+		-s ENVIRONMENT=$(ENVIRONMENT) \
+		-s EXPORT_ES6=1 \
+		-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 \
+	-DCMAKE_CROSSCOMPILING_EMULATOR=node \
+	-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
--- a/codecs/jxl/dec/jxl_dec.cpp
+++ b/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);
+}
--- a/codecs/jxl/dec/jxl_dec.d.ts
+++ b/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;
--- a/codecs/jxl/dec/jxl_dec.js
+++ b/codecs/jxl/dec/jxl_dec.js
@@ -0,0 +1,56 @@
+
+var Module = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(Module) {
+  Module = Module || {};
+
+
+var e;e||(e=typeof Module !== 'undefined' ? Module : {});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",v="",w;v=self.location.href;_scriptDir&&(v=_scriptDir);0!==v.indexOf("blob:")?v=v.substr(0,v.lastIndexOf("/")+1):v="";w=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)};
+var ca=e.print||console.log.bind(console),y=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 z;e.wasmBinary&&(z=e.wasmBinary);var noExitRuntime=e.noExitRuntime||!0;"object"!==typeof WebAssembly&&A("no native wasm support detected");var C,da=!1,ea=new TextDecoder("utf8");
+function fa(a,b,c){var d=D;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 ha=new TextDecoder("utf-16le");
+function ia(a,b){var c=a>>1;for(b=c+b/2;!(c>=b)&&E[c];)++c;return ha.decode(D.subarray(a,c<<1))}function ja(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)F[b>>1]=a.charCodeAt(f),b+=2;F[b>>1]=0;return b-d}function ka(a){return 2*a.length}function la(a,b){for(var c=0,d="";!(c>=b/4);){var f=G[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 ma(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}G[b>>2]=g;b+=4;if(b+4>c)break}G[b>>2]=0;return b-d}function na(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 oa,I,D,F,E,G,J,pa,qa;
+function ra(){var a=C.buffer;oa=a;e.HEAP8=I=new Int8Array(a);e.HEAP16=F=new Int16Array(a);e.HEAP32=G=new Int32Array(a);e.HEAPU8=D=new Uint8Array(a);e.HEAPU16=E=new Uint16Array(a);e.HEAPU32=J=new Uint32Array(a);e.HEAPF32=pa=new Float32Array(a);e.HEAPF64=qa=new Float64Array(a)}var L,sa=[],ta=[],ua=[];function va(){var a=e.preRun.shift();sa.unshift(a)}var M=0,wa=null,N=null;e.preloadedImages={};e.preloadedAudios={};
+function A(a){if(e.onAbort)e.onAbort(a);y(a);da=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");r(a);throw a;}var O=(new URL("jxl_dec.wasm",import.meta.url)).toString();function xa(){try{if(O==O&&z)return new Uint8Array(z);if(w)return w(O);throw"both async and sync fetching of the wasm failed";}catch(a){A(a)}}
+function ya(){return z||"function"!==typeof fetch?Promise.resolve().then(function(){return xa()}):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 xa()})}function za(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(e);else{var c=b.N;"number"===typeof c?void 0===b.J?L.get(c)():L.get(c)(b.J):c(void 0===b.J?null:b.J)}}}
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+function Qa(a){for(;a.length;){var b=a.pop();a.pop()(b)}}function Ra(a,b){var c=e;if(void 0===c[a].H){var d=c[a];c[a]=function(){c[a].H.hasOwnProperty(arguments.length)||T("Function '"+b+"' called with an invalid number of arguments ("+arguments.length+") - expects one of ("+c[a].H+")!");return c[a].H[arguments.length].apply(this,arguments)};c[a].H=[];c[a].H[d.L]=d}}
+function Sa(a,b,c){e.hasOwnProperty(a)?((void 0===c||void 0!==e[a].H&&void 0!==e[a].H[c])&&T("Cannot register public name '"+a+"' twice"),Ra(a,a),e.hasOwnProperty(c)&&T("Cannot register multiple overloads of a function with the same number of arguments ("+c+")!"),e[a].H[c]=b):(e[a]=b,void 0!==c&&(e[a].P=c))}function Ta(a,b){for(var c=[],d=0;d<a;d++)c.push(G[(b>>2)+d]);return c}
+function Ua(a,b){var c=[];return function(){c.length=arguments.length;for(var d=0;d<arguments.length;d++)c[d]=arguments[d];a.includes("j")?(d=e["dynCall_"+a],d=c&&c.length?d.apply(null,[b].concat(c)):d.call(null,b)):d=L.get(b).apply(null,c);return d}}function Va(a,b){a=P(a);var c=a.includes("j")?Ua(a,b):L.get(b);"function"!==typeof c&&T("unknown function pointer with signature "+a+": "+b);return c}var Wa=void 0;function Xa(a){a=Ya(a);var b=P(a);X(a);return b}
+function Za(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 Wa(a+": "+d.map(Xa).join([", "]));}function $a(a,b,c){switch(b){case 0:return c?function(d){return I[d]}:function(d){return D[d]};case 1:return c?function(d){return F[d>>1]}:function(d){return E[d>>1]};case 2:return c?function(d){return G[d>>2]}:function(d){return J[d>>2]};default:throw new TypeError("Unknown integer type: "+a);}}var ab={};
+function bb(){return"object"===typeof globalThis?globalThis:Function("return this")()}function cb(a,b){var c=R[a];void 0===c&&T(b+" has unknown type "+Xa(a));return c}var db={},eb={};function fb(){if(!gb){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 eb)a[b]=eb[b];var c=[];for(b in a)c.push(b+"="+a[b]);gb=c}return gb}
+for(var gb,hb=[null,[],[]],ib=Array(256),Y=0;256>Y;++Y)ib[Y]=String.fromCharCode(Y);Ba=ib;Fa=e.BindingError=Ea("BindingError");Ga=e.InternalError=Ea("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};Wa=e.UnboundTypeError=Ea("UnboundTypeError");
+var kb={l:function(){},q:function(){},m:function(a,b,c,d,f){var g=Aa(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=I;else if(2===c)h=F;else if(4===c)h=G;else throw new TypeError("Unknown boolean type size: "+b);return this.fromWireType(h[l>>g])},I:null})},x:function(a,b){b=P(b);U(a,{name:b,fromWireType:function(c){var d=V[c].value;Ja(c);return d},toWireType:function(c,d){return W(d)},
+argPackAdvance:8,readValueFromPointer:Ka,I:null})},j:function(a,b,c){c=Aa(c);b=P(b);U(a,{name:b,fromWireType:function(d){return d},toWireType:function(d,f){if("number"!==typeof f&&"boolean"!==typeof f)throw new TypeError('Cannot convert "'+Na(f)+'" to '+this.name);return f},argPackAdvance:8,readValueFromPointer:Oa(b,c),I:null})},o:function(a,b,c,d,f,g){var l=Ta(b,c);a=P(a);f=Va(d,f);Sa(a,function(){Za("Cannot call "+a+" due to unbound types",l)},b-1);Ha(l,function(h){var p=a,k=a;h=[h[0],null].concat(h.slice(1));
+var m=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,B=!1,n=1;n<h.length;++n)if(null!==h[n]&&void 0===h[n].I){B=!0;break}var La="void"!==h[0].name,H="",K="";for(n=0;n<q-2;++n)H+=(0!==n?", ":"")+"arg"+n,K+=(0!==n?", ":"")+"arg"+n+"Wired";k="return function "+Ca(k)+"("+H+") {\nif (arguments.length !== "+(q-2)+") {\nthrowBindingError('function "+k+" called with ' + arguments.length + ' arguments, expected "+(q-2)+" args!');\n}\n";
+B&&(k+="var destructors = [];\n");var Ma=B?"destructors":"null";H="throwBindingError invoker fn runDestructors retType classParam".split(" ");m=[T,m,g,Qa,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",H.push("argType"+n),m.push(h[n+2]);x&&(K="thisWired"+(0<K.length?", ":"")+K);k+=(La?"var rv = ":"")+"invoker(fn"+(0<K.length?", ":"")+K+");\n";if(B)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].I&&(k+=q+"_dtor("+q+"); // "+h[n].name+"\n",H.push(q+"_dtor"),m.push(h[n].I));La&&(k+="var ret = retType.fromWireType(rv);\nreturn ret;\n");H.push(k+"}\n");h=Pa(H).apply(null,m);n=b-1;if(!e.hasOwnProperty(p))throw new Ga("Replacing nonexistant public symbol");void 0!==e[p].H&&void 0!==n?e[p].H[n]=h:(e[p]=h,e[p].L=n);return[]})},c:function(a,b,c,d,f){function g(k){return k}b=P(b);-1===f&&(f=4294967295);var l=Aa(c);
+if(0===d){var h=32-8*c;g=function(k){return k<<h>>>h}}var p=b.includes("unsigned");U(a,{name:b,fromWireType:g,toWireType:function(k,m){if("number"!==typeof m&&"boolean"!==typeof m)throw new TypeError('Cannot convert "'+Na(m)+'" to '+this.name);if(m<d||m>f)throw new TypeError('Passing a number "'+Na(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:$a(b,l,0!==d),I:null})},b:function(a,
+b,c){function d(g){g>>=2;var l=J;return new f(oa,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})},g:function(a,b){b=P(b);var c="std::string"===b;U(a,{name:b,fromWireType:function(d){var f=J[d>>2];if(c)for(var g=d+4,l=0;l<=f;++l){var h=d+4+l;if(l==f||0==D[h]){if(g){for(var p=g+(h-g),k=g;!(k>=p)&&D[k];)++k;g=ea.decode(D.subarray(g,k))}else g="";if(void 0===
+m)var m=g;else m+=String.fromCharCode(0),m+=g;g=h+1}}else{m=Array(f);for(l=0;l<f;++l)m[l]=String.fromCharCode(D[d+4+l]);m=m.join("")}X(d);return m},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 k=0,m=0;m<f.length;++m){var q=f.charCodeAt(m);55296<=q&&57343>=q&&(q=65536+((q&1023)<<10)|f.charCodeAt(++m)&
+1023);127>=q?++k:k=2047>=q?k+2:65535>=q?k+3:k+4}return k}:function(){return f.length})(),h=jb(4+l+1);J[h>>2]=l;if(c&&g)fa(f,h+4,l+1);else if(g)for(g=0;g<l;++g){var p=f.charCodeAt(g);255<p&&(X(h),T("String has UTF-16 code units that do not fit in 8 bits"));D[h+4+g]=p}else for(g=0;g<l;++g)D[h+4+g]=f[g];null!==d&&d.push(X,h);return h},argPackAdvance:8,readValueFromPointer:Ka,I:function(d){X(d)}})},f:function(a,b,c){c=P(c);if(2===b){var d=ia;var f=ja;var g=ka;var l=function(){return E};var h=1}else 4===
+b&&(d=la,f=ma,g=na,l=function(){return J},h=2);U(a,{name:c,fromWireType:function(p){for(var k=J[p>>2],m=l(),q,x=p+4,B=0;B<=k;++B){var n=p+4+B*b;if(B==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=jb(4+m+b);J[q>>2]=m>>h;f(k,q+4,m+b);null!==p&&p.push(X,q);return q},argPackAdvance:8,readValueFromPointer:Ka,I:function(p){X(p)}})},n:function(a,b){b=
+P(b);U(a,{O:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},d:Ja,k:function(a){if(0===a)return W(bb());var b=ab[a];a=void 0===b?P(a):b;return W(bb()[a])},h:function(a){4<a&&(V[a].K+=1)},i:function(a,b,c,d){a||T("Cannot use deleted val. handle = "+a);a=V[a].value;var f=db[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")))(cb,e,W);db[b]=f}return f(a,c,d)},a:function(){A()},s:function(a,b,c){D.copyWithin(a,b,b+c)},e:function(a){var b=D.length;a>>>=0;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(a,
+d);0<d%65536&&(d+=65536-d%65536);a:{try{C.grow(Math.min(2147483648,d)-oa.byteLength+65535>>>16);ra();var f=1;break a}catch(g){}f=void 0}if(f)return!0}return!1},t:function(a,b){var c=0;fb().forEach(function(d,f){var g=b+c;f=G[a+4*f>>2]=g;for(g=0;g<d.length;++g)I[f++>>0]=d.charCodeAt(g);I[f>>0]=0;c+=d.length+1});return 0},u:function(a,b){var c=fb();G[a>>2]=c.length;var d=0;c.forEach(function(f){d+=f.length+1});G[b>>2]=d;return 0},v:function(){return 0},p:function(){},w:function(a,b,c,d){for(var f=0,
+g=0;g<c;g++){for(var l=G[b+8*g>>2],h=G[b+(8*g+4)>>2],p=0;p<h;p++){var k=D[l+p],m=hb[a];if(0===k||10===k){for(k=0;m[k]&&!(NaN<=k);)++k;k=ea.decode(m.subarray?m.subarray(0,k):new Uint8Array(m.slice(0,k)));(1===a?ca:y)(k);m.length=0}else m.push(k)}f+=h}G[d>>2]=f;return 0},r:function(){}};
+(function(){function a(f){e.asm=f.exports;C=e.asm.y;ra();L=e.asm.E;ta.unshift(e.asm.z);M--;e.monitorRunDependencies&&e.monitorRunDependencies(M);0==M&&(null!==wa&&(clearInterval(wa),wa=null),N&&(f=N,N=null,f()))}function b(f){a(f.instance)}function c(f){return ya().then(function(g){return WebAssembly.instantiate(g,d)}).then(f,function(g){y("failed to asynchronously prepare wasm: "+g);A(g)})}var d={a:kb};M++;e.monitorRunDependencies&&e.monitorRunDependencies(M);if(e.instantiateWasm)try{return e.instantiateWasm(d,
+a)}catch(f){return y("Module.instantiateWasm callback failed with error: "+f),!1}(function(){return z||"function"!==typeof WebAssembly.instantiateStreaming||O.startsWith("data:application/octet-stream;base64,")||"function"!==typeof fetch?c(b):fetch(O,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,d).then(b,function(g){y("wasm streaming compile failed: "+g);y("falling back to ArrayBuffer instantiation");return c(b)})})})().catch(r);return{}})();
+e.___wasm_call_ctors=function(){return(e.___wasm_call_ctors=e.asm.z).apply(null,arguments)};var jb=e._malloc=function(){return(jb=e._malloc=e.asm.A).apply(null,arguments)},X=e._free=function(){return(X=e._free=e.asm.B).apply(null,arguments)},Ya=e.___getTypeName=function(){return(Ya=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.F).apply(null,arguments)};e.dynCall_jiji=function(){return(e.dynCall_jiji=e.asm.G).apply(null,arguments)};var Z;N=function lb(){Z||mb();Z||(N=lb)};
+function mb(){function a(){if(!Z&&(Z=!0,e.calledRun=!0,!da)){za(ta);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();ua.unshift(b)}za(ua)}}if(!(0<M)){if(e.preRun)for("function"==typeof e.preRun&&(e.preRun=[e.preRun]);e.preRun.length;)va();za(sa);0<M||(e.setStatus?(e.setStatus("Running..."),setTimeout(function(){setTimeout(function(){e.setStatus("")},1);a()},1)):a())}}e.run=mb;
+if(e.preInit)for("function"==typeof e.preInit&&(e.preInit=[e.preInit]);0<e.preInit.length;)e.preInit.pop()();mb();
+
+
+  return Module.ready
+}
+);
+})();
+export default Module;
--- a/codecs/jxl/dec/jxl_dec.wasm
+++ b/codecs/jxl/dec/jxl_dec.wasm
--- a/codecs/jxl/dec/jxl_node_dec.js
+++ b/codecs/jxl/dec/jxl_node_dec.js
@@ -0,0 +1,56 @@
+
+var Module = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(Module) {
+  Module = Module || {};
+
+
+var e;e||(e=typeof Module !== 'undefined' ? Module : {});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 v="./this.program",ba,w,y,ca;ba=function(a){y||(y=require("fs"));ca||(ca=require("path"));a=ca.normalize(a);return y.readFileSync(a,null)};w=function(a){a=ba(a);a.buffer||(a=new Uint8Array(a));a.buffer||z("Assertion failed: undefined");return a};1<process.argv.length&&(v=process.argv[1].replace(/\\/g,"/"));process.argv.slice(2);
+process.on("uncaughtException",function(a){throw a;});process.on("unhandledRejection",z);e.inspect=function(){return"[Emscripten Module object]"};var da=e.print||console.log.bind(console),A=e.printErr||console.warn.bind(console);for(u in t)t.hasOwnProperty(u)&&(e[u]=t[u]);t=null;e.thisProgram&&(v=e.thisProgram);var C;e.wasmBinary&&(C=e.wasmBinary);var noExitRuntime=e.noExitRuntime||!0;"object"!==typeof WebAssembly&&z("no native wasm support detected");var ea,fa=!1,ha=new TextDecoder("utf8");
+function ia(a,b,c){var d=D;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)&&E[c];)++c;return ja.decode(D.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)G[b>>1]=a.charCodeAt(f),b+=2;G[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=H[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}H[b>>2]=g;b+=4;if(b+4>c)break}H[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 qa,I,D,G,E,H,K,ra,sa;
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+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 Ja=[],V=[{},{value:void 0},{value:null},{value:!0},{value:!1}];
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+function Ta(a,b,c){e.hasOwnProperty(a)?((void 0===c||void 0!==e[a].H&&void 0!==e[a].H[c])&&T("Cannot register public name '"+a+"' twice"),Sa(a,a),e.hasOwnProperty(c)&&T("Cannot register multiple overloads of a function with the same number of arguments ("+c+")!"),e[a].H[c]=b):(e[a]=b,void 0!==c&&(e[a].P=c))}function Ua(a,b){for(var c=[],d=0;d<a;d++)c.push(H[(b>>2)+d]);return c}
+function Va(a,b){var c=[];return function(){c.length=arguments.length;for(var d=0;d<arguments.length;d++)c[d]=arguments[d];a.includes("j")?(d=e["dynCall_"+a],d=c&&c.length?d.apply(null,[b].concat(c)):d.call(null,b)):d=L.get(b).apply(null,c);return d}}function Wa(a,b){a=P(a);var c=a.includes("j")?Va(a,b):L.get(b);"function"!==typeof c&&T("unknown function pointer with signature "+a+": "+b);return c}var Xa=void 0;function Ya(a){a=Za(a);var b=P(a);X(a);return b}
+function $a(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 Xa(a+": "+d.map(Ya).join([", "]));}function ab(a,b,c){switch(b){case 0:return c?function(d){return I[d]}:function(d){return D[d]};case 1:return c?function(d){return G[d>>1]}:function(d){return E[d>>1]};case 2:return c?function(d){return H[d>>2]}:function(d){return K[d>>2]};default:throw new TypeError("Unknown integer type: "+a);}}var bb={};
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+var lb={l:function(){},q:function(){},m:function(a,b,c,d,f){var g=Ba(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=I;else if(2===c)h=G;else if(4===c)h=H;else throw new TypeError("Unknown boolean type size: "+b);return this.fromWireType(h[l>>g])},I:null})},x:function(a,b){b=P(b);U(a,{name:b,fromWireType:function(c){var d=V[c].value;Ka(c);return d},toWireType:function(c,d){return W(d)},
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+B&&(m+="var destructors = [];\n");var Na=B?"destructors":"null";F="throwBindingError invoker fn runDestructors retType classParam".split(" ");n=[T,n,g,Ra,k[0],k[1]];x&&(m+="var thisWired = classParam.toWireType("+Na+", this);\n");for(q=0;q<p-2;++q)m+="var arg"+q+"Wired = argType"+q+".toWireType("+Na+", arg"+q+"); // "+k[q+2].name+"\n",F.push("argType"+q),n.push(k[q+2]);x&&(J="thisWired"+(0<J.length?", ":"")+J);m+=(Ma?"var rv = ":"")+"invoker(fn"+(0<J.length?", ":"")+J+");\n";if(B)m+="runDestructors(destructors);\n";
+else for(q=x?1:2;q<k.length;++q)p=1===q?"thisWired":"arg"+(q-2)+"Wired",null!==k[q].I&&(m+=p+"_dtor("+p+"); // "+k[q].name+"\n",F.push(p+"_dtor"),n.push(k[q].I));Ma&&(m+="var ret = retType.fromWireType(rv);\nreturn ret;\n");F.push(m+"}\n");k=Qa(F).apply(null,n);q=b-1;if(!e.hasOwnProperty(h))throw new Ha("Replacing nonexistant public symbol");void 0!==e[h].H&&void 0!==q?e[h].H[q]=k:(e[h]=k,e[h].L=q);return[]})},c:function(a,b,c,d,f){function g(m){return m}b=P(b);-1===f&&(f=4294967295);var l=Ba(c);
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+b,c){function d(g){g>>=2;var l=K;return new f(qa,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})},g:function(a,b){b=P(b);var c="std::string"===b;U(a,{name:b,fromWireType:function(d){var f=K[d>>2];if(c)for(var g=d+4,l=0;l<=f;++l){var h=d+4+l;if(l==f||0==D[h]){if(g){for(var k=g+(h-g),m=g;!(m>=k)&&D[m];)++m;g=ha.decode(D.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(D[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)<<10)|f.charCodeAt(++n)&
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+b&&(d=na,f=oa,g=pa,l=function(){return K},h=2);U(a,{name:c,fromWireType:function(k){for(var m=K[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=kb(4+n+b);K[p>>2]=n>>h;f(m,p+4,n+b);null!==k&&k.push(X,p);return p},argPackAdvance:8,readValueFromPointer:La,I:function(k){X(k)}})},n:function(a,b){b=
+P(b);U(a,{O:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},d:Ka,k:function(a){if(0===a)return W(cb());var b=bb[a];a=void 0===b?P(a):b;return W(cb()[a])},h:function(a){4<a&&(V[a].K+=1)},i:function(a,b,c,d){a||T("Cannot use deleted val. handle = "+a);a=V[a].value;var f=eb[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")))(db,e,W);eb[b]=f}return f(a,c,d)},a:function(){z()},s:function(a,b,c){D.copyWithin(a,b,b+c)},e:function(a){var b=D.length;a>>>=0;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(a,
+d);0<d%65536&&(d+=65536-d%65536);a:{try{ea.grow(Math.min(2147483648,d)-qa.byteLength+65535>>>16);ta();var f=1;break a}catch(g){}f=void 0}if(f)return!0}return!1},t:function(a,b){var c=0;gb().forEach(function(d,f){var g=b+c;f=H[a+4*f>>2]=g;for(g=0;g<d.length;++g)I[f++>>0]=d.charCodeAt(g);I[f>>0]=0;c+=d.length+1});return 0},u:function(a,b){var c=gb();H[a>>2]=c.length;var d=0;c.forEach(function(f){d+=f.length+1});H[b>>2]=d;return 0},v:function(){return 0},p:function(){},w:function(a,b,c,d){for(var f=
+0,g=0;g<c;g++){for(var l=H[b+8*g>>2],h=H[b+(8*g+4)>>2],k=0;k<h;k++){var m=D[l+k],n=ib[a];if(0===m||10===m){m=1===a?da:A;var p;for(p=0;n[p]&&!(NaN<=p);)++p;p=ha.decode(n.subarray?n.subarray(0,p):new Uint8Array(n.slice(0,p)));m(p);n.length=0}else n.push(m)}f+=h}H[d>>2]=f;return 0},r:function(){}};
+(function(){function a(f){e.asm=f.exports;ea=e.asm.y;ta();L=e.asm.E;va.unshift(e.asm.z);M--;e.monitorRunDependencies&&e.monitorRunDependencies(M);0==M&&(null!==ya&&(clearInterval(ya),ya=null),N&&(f=N,N=null,f()))}function b(f){a(f.instance)}function c(f){return za().then(function(g){return WebAssembly.instantiate(g,d)}).then(f,function(g){A("failed to asynchronously prepare wasm: "+g);z(g)})}var d={a:lb};M++;e.monitorRunDependencies&&e.monitorRunDependencies(M);if(e.instantiateWasm)try{return e.instantiateWasm(d,
+a)}catch(f){return A("Module.instantiateWasm callback failed with error: "+f),!1}(function(){return C||"function"!==typeof WebAssembly.instantiateStreaming||O.startsWith("data:application/octet-stream;base64,")||"function"!==typeof fetch?c(b):fetch(O,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,d).then(b,function(g){A("wasm streaming compile failed: "+g);A("falling back to ArrayBuffer instantiation");return c(b)})})})().catch(r);return{}})();
+e.___wasm_call_ctors=function(){return(e.___wasm_call_ctors=e.asm.z).apply(null,arguments)};var kb=e._malloc=function(){return(kb=e._malloc=e.asm.A).apply(null,arguments)},X=e._free=function(){return(X=e._free=e.asm.B).apply(null,arguments)},Za=e.___getTypeName=function(){return(Za=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.F).apply(null,arguments)};e.dynCall_jiji=function(){return(e.dynCall_jiji=e.asm.G).apply(null,arguments)};var Z;N=function mb(){Z||nb();Z||(N=mb)};
+function nb(){function a(){if(!Z&&(Z=!0,e.calledRun=!0,!fa)){Aa(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)}Aa(wa)}}if(!(0<M)){if(e.preRun)for("function"==typeof e.preRun&&(e.preRun=[e.preRun]);e.preRun.length;)xa();Aa(ua);0<M||(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()();nb();
+
+
+  return Module.ready
+}
+);
+})();
+export default Module;
--- a/codecs/jxl/dec/jxl_node_dec.wasm
+++ b/codecs/jxl/dec/jxl_node_dec.wasm
--- a/codecs/jxl/enc/jxl_enc.cpp
+++ b/codecs/jxl/enc/jxl_enc.cpp
@@ -0,0 +1,122 @@
+#include <emscripten/bind.h>
+#include <emscripten/val.h>
+
+#include "lib/jxl/base/thread_pool_internal.h"
+#include "lib/jxl/enc_external_image.h"
+#include "lib/jxl/enc_file.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;
+  size_t decodingSpeedTier;
+};
+
+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;
+  cparams.decoding_speed_tier = options.decodingSpeedTier;
+
+  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::ConvertFromExternal(
+      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("decodingSpeedTier", &JXLOptions::decodingSpeedTier)
+      .field("epf", &JXLOptions::epf);
+
+  function("encode", &encode);
+}
--- a/codecs/jxl/enc/jxl_enc.d.ts
+++ b/codecs/jxl/enc/jxl_enc.d.ts
@@ -0,0 +1,22 @@
+export interface EncodeOptions {
+  speed: number;
+  quality: number;
+  progressive: boolean;
+  epf: number;
+  nearLossless: number;
+  lossyPalette: boolean;
+  decodingSpeedTier: number;
+}
+
+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;
--- a/codecs/jxl/enc/jxl_enc.js
+++ b/codecs/jxl/enc/jxl_enc.js
@@ -0,0 +1,69 @@
+
+var Module = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(Module) {
+  Module = Module || {};
+
+
+var g;g||(g=typeof Module !== 'undefined' ? Module : {});var aa,ba;g.ready=new Promise(function(a,b){aa=a;ba=b});var t={},w;for(w in g)g.hasOwnProperty(w)&&(t[w]=g[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=g.print||console.log.bind(console),z=g.printErr||console.warn.bind(console);for(w in t)t.hasOwnProperty(w)&&(g[w]=t[w]);t=null;g.thisProgram&&(ca=g.thisProgram);var A;g.wasmBinary&&(A=g.wasmBinary);var noExitRuntime=g.noExitRuntime||!0;"object"!==typeof WebAssembly&&C("no native wasm support detected");var fa,ha=!1,ia=new TextDecoder("utf8");function ja(a,b){if(!a)return"";b=a+b;for(var c=a;!(c>=b)&&D[c];)++c;return ia.decode(D.subarray(a,c))}
+function ka(a,b,c,d){if(0<d){d=c+d-1;for(var h=0;h<a.length;++h){var f=a.charCodeAt(h);if(55296<=f&&57343>=f){var m=a.charCodeAt(++h);f=65536+((f&1023)<<10)|m&1023}if(127>=f){if(c>=d)break;b[c++]=f}else{if(2047>=f){if(c+1>=d)break;b[c++]=192|f>>6}else{if(65535>=f){if(c+2>=d)break;b[c++]=224|f>>12}else{if(c+3>=d)break;b[c++]=240|f>>18;b[c++]=128|f>>12&63}b[c++]=128|f>>6&63}b[c++]=128|f&63}}b[c]=0}}
+function la(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 ma=new TextDecoder("utf-16le");function na(a,b){var c=a>>1;for(b=c+b/2;!(c>=b)&&E[c];)++c;return ma.decode(D.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 h=0;h<c;++h)F[b>>1]=a.charCodeAt(h),b+=2;F[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 h=G[a+4*c>>2];if(0==h)break;++c;65536<=h?(h-=65536,d+=String.fromCharCode(55296|h>>10,56320|h&1023)):d+=String.fromCharCode(h)}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 h=0;h<a.length;++h){var f=a.charCodeAt(h);if(55296<=f&&57343>=f){var m=a.charCodeAt(++h);f=65536+((f&1023)<<10)|m&1023}G[b>>2]=f;b+=4;if(b+4>c)break}G[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 ta,H,D,F,E,G,I,ua,va;function wa(){var a=fa.buffer;ta=a;g.HEAP8=H=new Int8Array(a);g.HEAP16=F=new Int16Array(a);g.HEAP32=G=new Int32Array(a);g.HEAPU8=D=new Uint8Array(a);g.HEAPU16=E=new Uint16Array(a);g.HEAPU32=I=new Uint32Array(a);g.HEAPF32=ua=new Float32Array(a);g.HEAPF64=va=new Float64Array(a)}var J,xa=[],ya=[],za=[];function Aa(){var a=g.preRun.shift();xa.unshift(a)}
+var K=0,Ba=null,L=null;g.preloadedImages={};g.preloadedAudios={};function C(a){if(g.onAbort)g.onAbort(a);z(a);ha=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");ba(a);throw a;}var M=(new URL("jxl_enc.wasm",import.meta.url)).toString();function Ca(){try{if(M==M&&A)return new Uint8Array(A);if(da)return da(M);throw"both async and sync fetching of the wasm failed";}catch(a){C(a)}}
+function Da(){return A||"function"!==typeof fetch?Promise.resolve().then(function(){return Ca()}):fetch(M,{credentials:"same-origin"}).then(function(a){if(!a.ok)throw"failed to load wasm binary file at '"+M+"'";return a.arrayBuffer()}).catch(function(){return Ca()})}function Ea(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(g);else{var c=b.xa;"number"===typeof c?void 0===b.$?J.get(c)():J.get(c)(b.$):c(void 0===b.$?null:b.$)}}}
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+readValueFromPointer:O,T:function(n){Z(n)}})},l:function(a,b,c,d,h,f){N[a]={name:U(b),ja:Y(c,d),ka:Y(h,f),ba:[]}},d:function(a,b,c,d,h,f,m,k,n,p){N[a].ba.push({da:U(b),ga:c,ea:Y(d,h),fa:f,ra:m,qa:Y(k,n),sa:p})},A:function(a,b){b=U(b);S(a,{ya:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},e:Ra,C:function(a){if(0===a)return X(eb());var b=db[a];a=void 0===b?U(a):b;return X(eb()[a])},B:function(a){4<a&&(W[a].aa+=1)},m:function(a,b,c,d){a||V("Cannot use deleted val. handle = "+
+a);a=W[a].value;var h=gb[b];if(!h){h="";for(var f=0;f<b;++f)h+=(0!==f?", ":"")+"arg"+f;var m="return function emval_allocator_"+b+"(constructor, argTypes, args) {\n";for(f=0;f<b;++f)m+="var argType"+f+" = requireRegisteredType(Module['HEAP32'][(argTypes >>> 2) + "+f+'], "parameter '+f+'");\nvar arg'+f+" = argType"+f+".readValueFromPointer(args);\nargs += argType"+f+"['argPackAdvance'];\n";h=(new Function("requireRegisteredType","Module","__emval_register",m+("var obj = new constructor("+h+");\nreturn __emval_register(obj);\n}\n")))(fb,
+g,X);gb[b]=h}return h(a,c,d)},a:function(){C()},s:function(a,b,c){D.copyWithin(a,b,b+c)},f:function(a){var b=D.length;a>>>=0;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(a,d);0<d%65536&&(d+=65536-d%65536);a:{try{fa.grow(Math.min(2147483648,d)-ta.byteLength+65535>>>16);wa();var h=1;break a}catch(f){}h=void 0}if(h)return!0}return!1},u:function(a,b){var c=0;ib().forEach(function(d,h){var f=b+c;h=G[a+4*h>>2]=f;for(f=0;f<d.length;++f)H[h++>>0]=d.charCodeAt(f);
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+a)}catch(h){return z("Module.instantiateWasm callback failed with error: "+h),!1}(function(){return A||"function"!==typeof WebAssembly.instantiateStreaming||M.startsWith("data:application/octet-stream;base64,")||"function"!==typeof fetch?c(b):fetch(M,{credentials:"same-origin"}).then(function(h){return WebAssembly.instantiateStreaming(h,d).then(b,function(f){z("wasm streaming compile failed: "+f);z("falling back to ArrayBuffer instantiation");return c(b)})})})().catch(ba);return{}})();
+g.___wasm_call_ctors=function(){return(g.___wasm_call_ctors=g.asm.F).apply(null,arguments)};var ub=g._malloc=function(){return(ub=g._malloc=g.asm.G).apply(null,arguments)},Z=g._free=function(){return(Z=g._free=g.asm.H).apply(null,arguments)},ab=g.___getTypeName=function(){return(ab=g.___getTypeName=g.asm.I).apply(null,arguments)};g.___embind_register_native_and_builtin_types=function(){return(g.___embind_register_native_and_builtin_types=g.asm.J).apply(null,arguments)};
+g.dynCall_viijii=function(){return(g.dynCall_viijii=g.asm.L).apply(null,arguments)};g.dynCall_iiji=function(){return(g.dynCall_iiji=g.asm.M).apply(null,arguments)};g.dynCall_jiji=function(){return(g.dynCall_jiji=g.asm.N).apply(null,arguments)};g.dynCall_iiiiij=function(){return(g.dynCall_iiiiij=g.asm.O).apply(null,arguments)};g.dynCall_iiiiijj=function(){return(g.dynCall_iiiiijj=g.asm.P).apply(null,arguments)};g.dynCall_iiiiiijj=function(){return(g.dynCall_iiiiiijj=g.asm.Q).apply(null,arguments)};
+var wb;L=function xb(){wb||yb();wb||(L=xb)};
+function yb(){function a(){if(!wb&&(wb=!0,g.calledRun=!0,!ha)){Ea(ya);aa(g);if(g.onRuntimeInitialized)g.onRuntimeInitialized();if(g.postRun)for("function"==typeof g.postRun&&(g.postRun=[g.postRun]);g.postRun.length;){var b=g.postRun.shift();za.unshift(b)}Ea(za)}}if(!(0<K)){if(g.preRun)for("function"==typeof g.preRun&&(g.preRun=[g.preRun]);g.preRun.length;)Aa();Ea(xa);0<K||(g.setStatus?(g.setStatus("Running..."),setTimeout(function(){setTimeout(function(){g.setStatus("")},1);a()},1)):a())}}g.run=yb;
+if(g.preInit)for("function"==typeof g.preInit&&(g.preInit=[g.preInit]);0<g.preInit.length;)g.preInit.pop()();yb();
+
+
+  return Module.ready
+}
+);
+})();
+export default Module;
--- a/codecs/jxl/enc/jxl_enc.wasm
+++ b/codecs/jxl/enc/jxl_enc.wasm
--- a/codecs/jxl/enc/jxl_enc_mt.d.ts
+++ b/codecs/jxl/enc/jxl_enc_mt.d.ts
@@ -0,0 +1 @@
+export { default } from './jxl_enc';
--- a/codecs/jxl/enc/jxl_enc_mt.js
+++ b/codecs/jxl/enc/jxl_enc_mt.js
@@ -0,0 +1,105 @@
+
+var Module = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(Module) {
+  Module = Module || {};
+
+
+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 B(){m.buffer!=n&&u(m.buffer);return ia}function ja(){m.buffer!=n&&u(m.buffer);return ka}var D;D||(D=typeof Module !== 'undefined' ? Module : {});var la,ma;D.ready=new Promise(function(a,b){la=a;ma=b});var E={},F;
+for(F in D)D.hasOwnProperty(F)&&(E[F]=D[F]);var na="./this.program";function oa(a,b){throw b;}var G=D.ENVIRONMENT_IS_PTHREAD||!1,H="",pa;H=self.location.href;_scriptDir&&(H=_scriptDir);0!==H.indexOf("blob:")?H=H.substr(0,H.lastIndexOf("/")+1):H="";pa=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)};var qa=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&&(na=D.thisProgram);D.quit&&(oa=D.quit);var ra;D.wasmBinary&&(ra=D.wasmBinary);var noExitRuntime=D.noExitRuntime||!0;"object"!==typeof WebAssembly&&K("no native wasm support detected");var m,sa,ta=!1;
+function ua(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?ua(v(),a,b):""}
+function va(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 wa(a,b,c){va(a,v(),b,c)}
+function xa(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 ya(a,b){for(var c="",d=0;!(d>=b/2);++d){var f=x()[a+2*d>>1];if(0==f)break;c+=String.fromCharCode(f)}return c}function za(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 Aa(a){return 2*a.length}function Ba(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 Ca(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 Da(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 Ea(a,b){e().set(a,b)}var n,aa,ba,ca,fa,ha,ia,Fa,ka;G&&(n=D.buffer);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=Fa=new Float32Array(a);D.HEAPF64=ka=new Float64Array(a)}var Ga=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:Ga/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);Ga=n.byteLength;u(n);var M,Ha=[],Ia=[],Ja=[];
+function Ka(){var a=D.preRun.shift();Ha.unshift(a)}var N=0,La=null,Ma=null;D.preloadedImages={};D.preloadedAudios={};function K(a){if(D.onAbort)D.onAbort(a);G&&console.error("Pthread aborting at "+Error().stack);J(a);ta=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");ma(a);throw a;}var O=(new URL("jxl_enc_mt.wasm",import.meta.url)).toString();
+function Na(){try{if(O==O&&ra)return new Uint8Array(ra);if(pa)return pa(O);throw"both async and sync fetching of the wasm failed";}catch(a){K(a)}}function Oa(){return ra||"function"!==typeof fetch?Promise.resolve().then(function(){return Na()}):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 Na()})}
+var Qa={60580:function(){throw"Canceled!";},60598:function(a,b){setTimeout(function(){Pa(a,b)},0)}};function Ra(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(D);else{var c=b.Yb;"number"===typeof c?void 0===b.Ia?M.get(c)():M.get(c)(b.Ia):c(void 0===b.Ia?null:b.Ia)}}}
+function Sa(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(),Ta>>2),d=0;if(c==a&&Atomics.compareExchange(A(),Ta>>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=Sa;
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+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 xa(f)}:function(){return f.length})(),k=Q(4+l+1);B()[k>>2]=l;if(c&&g)wa(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:lb,Da:function(d){S(d)}})},k:function(a,b,c){c=W(c);if(2===b){var d=ya;var f=za;var g=Aa;var l=function(){return ea()};var k=1}else 4===b&&(d=Ba,f=Ca,g=Da,l=function(){return B()},k=2);V(a,{name:c,fromWireType:function(q){for(var r=B()[q>>2],t=l(),w,C=q+4,h=0;h<=r;++h){var p=q+4+h*b;if(h==r||0==t[p>>k])C=d(C,p-C),void 0===w?w=C:(w+=String.fromCharCode(0),w+=C),C=p+b}S(q);return w},toWireType:function(q,r){"string"!==typeof r&&X("Cannot pass non-string to C++ string type "+
+c);var t=g(r),w=Q(4+t+b);B()[w>>2]=t>>k;f(r,w+4,t+b);null!==q&&q.push(S,w);return w},argPackAdvance:8,readValueFromPointer:lb,Da:function(q){S(q)}})},t:function(a,b,c,d,f,g){jb[a]={name:W(b),wb:Fb(c,d),xb:Fb(f,g),bb:[]}},f:function(a,b,c,d,f,g,l,k,q,r){jb[a].bb.push({kb:W(b),ob:c,mb:Fb(d,f),nb:g,Ib:l,Hb:Fb(k,q),Jb:r})},R:function(a,b){b=W(b);V(a,{$b:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},I:function(a,b){if(a==b)postMessage({cmd:"processQueuedMainThreadWork"});
+else if(G)postMessage({targetThread:a,cmd:"processThreadQueue"});else{a=(a=P.Ba[a])&&a.worker;if(!a)return;a.postMessage({cmd:"processThreadQueue"})}return 1},i:wb,U:function(a){if(0===a)return xb(Mb());var b=Lb[a];a=void 0===b?W(a):b;return xb(Mb()[a])},T:function(a){4<a&&(Y[a].Wa+=1)},u:function(a,b,c,d){a||X("Cannot use deleted val. handle = "+a);a=Y[a].value;var f=Ob[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")))(Nb,D,xb);Ob[b]=f}return f(a,c,d)},b:function(){K()},n:function(a,b,c){Pb.length=0;var d;for(c>>=2;d=v()[b++];)(d=105>d)&&c&1&&c++,
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+d)-n.byteLength+65535>>>16);u(m.buffer);var f=1;break a}catch(g){}f=void 0}if(f)return!0}return!1},G:function(a,b,c){return Wb(a)?Xb(a,b,c):Zb(a,b,c)},l:function(){},H:function(a,b){b>>=2;var c=A()[b+6];b={alpha:!!A()[b],depth:!!A()[b+1],stencil:!!A()[b+2],antialias:!!A()[b+3],premultipliedAlpha:!!A()[b+4],preserveDrawingBuffer:!!A()[b+5],powerPreference:gc[c],failIfMajorPerformanceCaveat:!!A()[b+7],vb:A()[b+8],ac:A()[b+9],ab:A()[b+10],jb:A()[b+11],dc:A()[b+12],ec:A()[b+13]};a=Wb(a);return!a||b.jb?
+0:cc(a,b)},L:lc,M:mc,N:nc,v:oc,O:pc,y:function(){P.tb()},a:m||D.wasmMemory,S: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 Dc(687865856,a,b,c,d);var g=0,l=0;if(b&&-1!=b){var k=A()[b>>2];k+=81920;g=A()[b+8>>2];l=0!==A()[b+12>>2]}else k=2097152;(b=0==g)?g=Ec(16,k):(g-=k,0<g||K("Assertion failed: undefined"));
+for(var q=Q(228),r=0;57>r;++r)B()[(q>>2)+r]=0;A()[a>>2]=q;A()[q+12>>2]=q;a=q+152;A()[a>>2]=a;c={Fa:g,Ga:k,Ua:b,$a:l,Kb:c,Pa:q,Ia:d,Tb:f};return G?(c.Vb="spawnThread",postMessage(c,f),0):$a(c)},C:function(a,b){return rc(a,b)},x:function(){},K:function(a,b,c,d){return yc(a,b,c,d)}};
+(function(){function a(f,g){D.asm=f.exports;M=D.asm.Z;Ia.unshift(D.asm.V);P.Ya.push(D.asm.Y);sa=g;if(!G){var l=P.za.length;P.za.forEach(function(k){P.eb(k,function(){if(!--l&&(N--,D.monitorRunDependencies&&D.monitorRunDependencies(N),0==N&&(null!==La&&(clearInterval(La),La=null),Ma))){var q=Ma;Ma=null;q()}})})}}function b(f){a(f.instance,f.module)}function c(f){return Oa().then(function(g){return WebAssembly.instantiate(g,d)}).then(f,function(g){J("failed to asynchronously prepare wasm: "+g);K(g)})}
+var d={a:Fc};G||(!G||K("Assertion failed: 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 ra||"function"!==typeof WebAssembly.instantiateStreaming||O.startsWith("data:application/octet-stream;base64,")||"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(ma);return{}})();D.___wasm_call_ctors=function(){return(D.___wasm_call_ctors=D.asm.V).apply(null,arguments)};var Q=D._malloc=function(){return(Q=D._malloc=D.asm.W).apply(null,arguments)},S=D._free=function(){return(S=D._free=D.asm.X).apply(null,arguments)};D._emscripten_tls_init=function(){return(D._emscripten_tls_init=D.asm.Y).apply(null,arguments)};
+var Ib=D.___getTypeName=function(){return(Ib=D.___getTypeName=D.asm._).apply(null,arguments)};D.___embind_register_native_and_builtin_types=function(){return(D.___embind_register_native_and_builtin_types=D.asm.$).apply(null,arguments)};D._emscripten_current_thread_process_queued_calls=function(){return(D._emscripten_current_thread_process_queued_calls=D.asm.aa).apply(null,arguments)};
+var Wa=D._emscripten_register_main_browser_thread_id=function(){return(Wa=D._emscripten_register_main_browser_thread_id=D.asm.ba).apply(null,arguments)},sc=D._emscripten_main_browser_thread_id=function(){return(sc=D._emscripten_main_browser_thread_id=D.asm.ca).apply(null,arguments)},Pa=D.__emscripten_do_dispatch_to_thread=function(){return(Pa=D.__emscripten_do_dispatch_to_thread=D.asm.da).apply(null,arguments)},Dc=D._emscripten_sync_run_in_main_thread_4=function(){return(Dc=D._emscripten_sync_run_in_main_thread_4=
+D.asm.ea).apply(null,arguments)},Za=D._emscripten_main_thread_process_queued_calls=function(){return(Za=D._emscripten_main_thread_process_queued_calls=D.asm.fa).apply(null,arguments)},Tb=D._emscripten_run_in_main_runtime_thread_js=function(){return(Tb=D._emscripten_run_in_main_runtime_thread_js=D.asm.ga).apply(null,arguments)},Yb=D.__emscripten_call_on_thread=function(){return(Yb=D.__emscripten_call_on_thread=D.asm.ha).apply(null,arguments)},Va=D.__emscripten_thread_init=function(){return(Va=D.__emscripten_thread_init=
+D.asm.ia).apply(null,arguments)},R=D._pthread_self=function(){return(R=D._pthread_self=D.asm.ja).apply(null,arguments)},Xa=D.___pthread_tsd_run_dtors=function(){return(Xa=D.___pthread_tsd_run_dtors=D.asm.ka).apply(null,arguments)},qc=D._emscripten_get_global_libc=function(){return(qc=D._emscripten_get_global_libc=D.asm.la).apply(null,arguments)},Rb=D.stackSave=function(){return(Rb=D.stackSave=D.asm.ma).apply(null,arguments)},db=D.stackRestore=function(){return(db=D.stackRestore=D.asm.na).apply(null,
+arguments)},Sb=D.stackAlloc=function(){return(Sb=D.stackAlloc=D.asm.oa).apply(null,arguments)},cb=D._emscripten_stack_set_limits=function(){return(cb=D._emscripten_stack_set_limits=D.asm.pa).apply(null,arguments)},Ec=D._memalign=function(){return(Ec=D._memalign=D.asm.qa).apply(null,arguments)};D.dynCall_viijii=function(){return(D.dynCall_viijii=D.asm.ra).apply(null,arguments)};D.dynCall_iiji=function(){return(D.dynCall_iiji=D.asm.sa).apply(null,arguments)};
+D.dynCall_jiji=function(){return(D.dynCall_jiji=D.asm.ta).apply(null,arguments)};D.dynCall_iiiiij=function(){return(D.dynCall_iiiiij=D.asm.ua).apply(null,arguments)};D.dynCall_iiiiijj=function(){return(D.dynCall_iiiiijj=D.asm.va).apply(null,arguments)};D.dynCall_iiiiiijj=function(){return(D.dynCall_iiiiiijj=D.asm.wa).apply(null,arguments)};var Ya=D.__emscripten_allow_main_runtime_queued_calls=60568,Ta=D.__emscripten_main_thread_futex=73404;D.PThread=P;D.PThread=P;D.wasmMemory=m;D.ExitStatus=ab;var Gc;
+function ab(a){this.name="ExitStatus";this.message="Program terminated with exit("+a+")";this.status=a}Ma=function Hc(){Gc||Ic();Gc||(Ma=Hc)};
+function Ic(){function a(){if(!Gc&&(Gc=!0,D.calledRun=!0,!ta)){G||Ra(Ia);la(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();Ja.unshift(b)}Ra(Ja)}}}if(!(0<N))if(G)la(D),G||Ra(Ia),postMessage({cmd:"loaded"});else{if(!G){if(D.preRun)for("function"==typeof D.preRun&&(D.preRun=[D.preRun]);D.preRun.length;)Ka();Ra(Ha)}0<N||(D.setStatus?(D.setStatus("Running..."),setTimeout(function(){setTimeout(function(){D.setStatus("")},
+1);a()},1)):a())}}D.run=Ic;if(D.preInit)for("function"==typeof D.preInit&&(D.preInit=[D.preInit]);0<D.preInit.length;)D.preInit.pop()();G&&(noExitRuntime=!1,P.ub());Ic();
+
+
+  return Module.ready
+}
+);
+})();
+export default Module;
--- a/codecs/jxl/enc/jxl_enc_mt.wasm
+++ b/codecs/jxl/enc/jxl_enc_mt.wasm
--- a/codecs/jxl/enc/jxl_enc_mt.worker.js
+++ b/codecs/jxl/enc/jxl_enc_mt.worker.js
@@ -0,0 +1 @@
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--- a/codecs/jxl/enc/jxl_enc_mt_simd.d.ts
+++ b/codecs/jxl/enc/jxl_enc_mt_simd.d.ts
@@ -0,0 +1 @@
+export { default } from './jxl_enc';
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+Pb.push(d?ja()[c++>>1]:A()[c]),++c;return Qa[a].apply(null,Pb)},E:function(){},m:function(){},h:Qb,g:Sa,j:fb,z:function(a,b,c){v().copyWithin(a,b,b+c)},D:function(){return navigator.hardwareConcurrency},F:function(a,b,c){Ub.length=b;c>>=3;for(var d=0;d<b;d++)Ub[d]=ja()[c+d];return(0>a?Qa[-a-1]:Cc[a]).apply(null,Ub)},A:function(a){var b=v().length;a>>>=0;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(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},G:function(a,b,c){return Wb(a)?Xb(a,b,c):Zb(a,b,c)},l:function(){},H:function(a,b){b>>=2;var c=A()[b+6];b={alpha:!!A()[b],depth:!!A()[b+1],stencil:!!A()[b+2],antialias:!!A()[b+3],premultipliedAlpha:!!A()[b+4],preserveDrawingBuffer:!!A()[b+5],powerPreference:gc[c],failIfMajorPerformanceCaveat:!!A()[b+7],vb:A()[b+8],ac:A()[b+9],ab:A()[b+10],jb:A()[b+11],dc:A()[b+12],ec:A()[b+13]};a=Wb(a);return!a||b.jb?
+0:cc(a,b)},L:lc,M:mc,N:nc,v:oc,O:pc,y:function(){P.tb()},a:m||D.wasmMemory,S: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 Dc(687865856,a,b,c,d);var g=0,l=0;if(b&&-1!=b){var k=A()[b>>2];k+=81920;g=A()[b+8>>2];l=0!==A()[b+12>>2]}else k=2097152;(b=0==g)?g=Ec(16,k):(g-=k,0<g||K("Assertion failed: undefined"));
+for(var q=Q(228),r=0;57>r;++r)B()[(q>>2)+r]=0;A()[a>>2]=q;A()[q+12>>2]=q;a=q+152;A()[a>>2]=a;c={Fa:g,Ga:k,Ua:b,$a:l,Kb:c,Pa:q,Ia:d,Tb:f};return G?(c.Vb="spawnThread",postMessage(c,f),0):$a(c)},C:function(a,b){return rc(a,b)},x:function(){},K:function(a,b,c,d){return yc(a,b,c,d)}};
+(function(){function a(f,g){D.asm=f.exports;M=D.asm.Z;Ia.unshift(D.asm.V);P.Ya.push(D.asm.Y);sa=g;if(!G){var l=P.za.length;P.za.forEach(function(k){P.eb(k,function(){if(!--l&&(N--,D.monitorRunDependencies&&D.monitorRunDependencies(N),0==N&&(null!==La&&(clearInterval(La),La=null),Ma))){var q=Ma;Ma=null;q()}})})}}function b(f){a(f.instance,f.module)}function c(f){return Oa().then(function(g){return WebAssembly.instantiate(g,d)}).then(f,function(g){J("failed to asynchronously prepare wasm: "+g);K(g)})}
+var d={a:Fc};G||(!G||K("Assertion failed: addRunDependency cannot be used in a pthread worker"),N++,D.monitorRunDependencies&&D.monitorRunDependencies(N));if(D.instantiateWasm)try{return D.instantiateWasm(d,a)}catch(f){return J("Module.instantiateWasm callback failed with error: "+f),!1}(function(){return ra||"function"!==typeof WebAssembly.instantiateStreaming||O.startsWith("data:application/octet-stream;base64,")||"function"!==typeof fetch?c(b):fetch(O,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,
+d).then(b,function(g){J("wasm streaming compile failed: "+g);J("falling back to ArrayBuffer instantiation");return c(b)})})})().catch(ma);return{}})();D.___wasm_call_ctors=function(){return(D.___wasm_call_ctors=D.asm.V).apply(null,arguments)};var Q=D._malloc=function(){return(Q=D._malloc=D.asm.W).apply(null,arguments)},S=D._free=function(){return(S=D._free=D.asm.X).apply(null,arguments)};D._emscripten_tls_init=function(){return(D._emscripten_tls_init=D.asm.Y).apply(null,arguments)};
+var Ib=D.___getTypeName=function(){return(Ib=D.___getTypeName=D.asm._).apply(null,arguments)};D.___embind_register_native_and_builtin_types=function(){return(D.___embind_register_native_and_builtin_types=D.asm.$).apply(null,arguments)};D._emscripten_current_thread_process_queued_calls=function(){return(D._emscripten_current_thread_process_queued_calls=D.asm.aa).apply(null,arguments)};
+var Wa=D._emscripten_register_main_browser_thread_id=function(){return(Wa=D._emscripten_register_main_browser_thread_id=D.asm.ba).apply(null,arguments)},sc=D._emscripten_main_browser_thread_id=function(){return(sc=D._emscripten_main_browser_thread_id=D.asm.ca).apply(null,arguments)},Pa=D.__emscripten_do_dispatch_to_thread=function(){return(Pa=D.__emscripten_do_dispatch_to_thread=D.asm.da).apply(null,arguments)},Dc=D._emscripten_sync_run_in_main_thread_4=function(){return(Dc=D._emscripten_sync_run_in_main_thread_4=
+D.asm.ea).apply(null,arguments)},Za=D._emscripten_main_thread_process_queued_calls=function(){return(Za=D._emscripten_main_thread_process_queued_calls=D.asm.fa).apply(null,arguments)},Tb=D._emscripten_run_in_main_runtime_thread_js=function(){return(Tb=D._emscripten_run_in_main_runtime_thread_js=D.asm.ga).apply(null,arguments)},Yb=D.__emscripten_call_on_thread=function(){return(Yb=D.__emscripten_call_on_thread=D.asm.ha).apply(null,arguments)},Va=D.__emscripten_thread_init=function(){return(Va=D.__emscripten_thread_init=
+D.asm.ia).apply(null,arguments)},R=D._pthread_self=function(){return(R=D._pthread_self=D.asm.ja).apply(null,arguments)},Xa=D.___pthread_tsd_run_dtors=function(){return(Xa=D.___pthread_tsd_run_dtors=D.asm.ka).apply(null,arguments)},qc=D._emscripten_get_global_libc=function(){return(qc=D._emscripten_get_global_libc=D.asm.la).apply(null,arguments)},Rb=D.stackSave=function(){return(Rb=D.stackSave=D.asm.ma).apply(null,arguments)},db=D.stackRestore=function(){return(db=D.stackRestore=D.asm.na).apply(null,
+arguments)},Sb=D.stackAlloc=function(){return(Sb=D.stackAlloc=D.asm.oa).apply(null,arguments)},cb=D._emscripten_stack_set_limits=function(){return(cb=D._emscripten_stack_set_limits=D.asm.pa).apply(null,arguments)},Ec=D._memalign=function(){return(Ec=D._memalign=D.asm.qa).apply(null,arguments)};D.dynCall_viijii=function(){return(D.dynCall_viijii=D.asm.ra).apply(null,arguments)};D.dynCall_iiji=function(){return(D.dynCall_iiji=D.asm.sa).apply(null,arguments)};
+D.dynCall_jiji=function(){return(D.dynCall_jiji=D.asm.ta).apply(null,arguments)};D.dynCall_iiiiij=function(){return(D.dynCall_iiiiij=D.asm.ua).apply(null,arguments)};D.dynCall_iiiiijj=function(){return(D.dynCall_iiiiijj=D.asm.va).apply(null,arguments)};D.dynCall_iiiiiijj=function(){return(D.dynCall_iiiiiijj=D.asm.wa).apply(null,arguments)};var Ya=D.__emscripten_allow_main_runtime_queued_calls=59656,Ta=D.__emscripten_main_thread_futex=72492;D.PThread=P;D.PThread=P;D.wasmMemory=m;D.ExitStatus=ab;var Gc;
+function ab(a){this.name="ExitStatus";this.message="Program terminated with exit("+a+")";this.status=a}Ma=function Hc(){Gc||Ic();Gc||(Ma=Hc)};
+function Ic(){function a(){if(!Gc&&(Gc=!0,D.calledRun=!0,!ta)){G||Ra(Ia);la(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();Ja.unshift(b)}Ra(Ja)}}}if(!(0<N))if(G)la(D),G||Ra(Ia),postMessage({cmd:"loaded"});else{if(!G){if(D.preRun)for("function"==typeof D.preRun&&(D.preRun=[D.preRun]);D.preRun.length;)Ka();Ra(Ha)}0<N||(D.setStatus?(D.setStatus("Running..."),setTimeout(function(){setTimeout(function(){D.setStatus("")},
+1);a()},1)):a())}}D.run=Ic;if(D.preInit)for("function"==typeof D.preInit&&(D.preInit=[D.preInit]);0<D.preInit.length;)D.preInit.pop()();G&&(noExitRuntime=!1,P.ub());Ic();
+
+
+  return Module.ready
+}
+);
+})();
+export default Module;
--- a/codecs/jxl/enc/jxl_enc_mt_simd.wasm
+++ b/codecs/jxl/enc/jxl_enc_mt_simd.wasm
--- a/codecs/jxl/enc/jxl_enc_mt_simd.worker.js
+++ b/codecs/jxl/enc/jxl_enc_mt_simd.worker.js
@@ -0,0 +1 @@
+"use strict";var Module={};var initializedJS=false;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:Module["_pthread_self"]()})}var err=threadPrintErr;self.alert=threadAlert;Module["instantiateWasm"]=function(info,receiveInstance){var instance=new WebAssembly.Instance(Module["wasmModule"],info);receiveInstance(instance);Module["wasmModule"]=null;return instance.exports};function moduleLoaded(){}self.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;(e.data.urlOrBlob?import(e.data.urlOrBlob):import("./jxl_enc_mt_simd.js")).then(function(exports){return exports.default(Module)}).then(function(instance){Module=instance;moduleLoaded()})}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;Module["__emscripten_thread_init"](e.data.threadInfoStruct,/*isMainBrowserThread=*/0,/*isMainRuntimeThread=*/0);var max=e.data.stackBase;var top=e.data.stackBase+e.data.stackSize;Module["establishStackSpace"](top,max);Module["PThread"].receiveObjectTransfer(e.data);Module["PThread"].threadInit();if(!initializedJS){Module["___embind_register_native_and_builtin_types"]();initializedJS=true}try{var result=Module["invokeEntryPoint"](e.data.start_routine,e.data.arg);if(Module["keepRuntimeAlive"]()){Module["PThread"].setExitStatus(result)}else{Module["PThread"].threadExit(result)}}catch(ex){if(ex==="Canceled!"){Module["PThread"].threadCancel()}else if(ex!="unwind"){if(ex instanceof Module["ExitStatus"]){if(Module["keepRuntimeAlive"]()){}else{Module["PThread"].threadExit(ex.status)}}else{Module["PThread"].threadExit(-2);throw ex}}}}else if(e.data.cmd==="cancel"){if(Module["_pthread_self"]()){Module["PThread"].threadCancel()}}else if(e.data.target==="setimmediate"){}else if(e.data.cmd==="processThreadQueue"){if(Module["_pthread_self"]()){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}};
--- a/codecs/jxl/enc/jxl_node_enc.js
+++ b/codecs/jxl/enc/jxl_node_enc.js
@@ -0,0 +1,70 @@
+
+var Module = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(Module) {
+  Module = Module || {};
+
+
+var g;g||(g=typeof Module !== 'undefined' ? Module : {});var aa,ba;g.ready=new Promise(function(a,b){aa=a;ba=b});var t={},w;for(w in g)g.hasOwnProperty(w)&&(t[w]=g[w]);var ca="./this.program",da,ea,fa,ha;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||y("Assertion failed: undefined");return a};1<process.argv.length&&(ca=process.argv[1].replace(/\\/g,"/"));
+process.argv.slice(2);process.on("uncaughtException",function(a){throw a;});process.on("unhandledRejection",y);g.inspect=function(){return"[Emscripten Module object]"};var ia=g.print||console.log.bind(console),z=g.printErr||console.warn.bind(console);for(w in t)t.hasOwnProperty(w)&&(g[w]=t[w]);t=null;g.thisProgram&&(ca=g.thisProgram);var A;g.wasmBinary&&(A=g.wasmBinary);var noExitRuntime=g.noExitRuntime||!0;"object"!==typeof WebAssembly&&y("no native wasm support detected");var ja,ka=!1,la=new TextDecoder("utf8");
+function ma(a,b){if(!a)return"";b=a+b;for(var c=a;!(c>=b)&&C[c];)++c;return la.decode(C.subarray(a,c))}
+function na(a,b,c,d){if(0<d){d=c+d-1;for(var h=0;h<a.length;++h){var f=a.charCodeAt(h);if(55296<=f&&57343>=f){var n=a.charCodeAt(++h);f=65536+((f&1023)<<10)|n&1023}if(127>=f){if(c>=d)break;b[c++]=f}else{if(2047>=f){if(c+1>=d)break;b[c++]=192|f>>6}else{if(65535>=f){if(c+2>=d)break;b[c++]=224|f>>12}else{if(c+3>=d)break;b[c++]=240|f>>18;b[c++]=128|f>>12&63}b[c++]=128|f>>6&63}b[c++]=128|f&63}}b[c]=0}}
+function oa(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 pa=new TextDecoder("utf-16le");function qa(a,b){var c=a>>1;for(b=c+b/2;!(c>=b)&&D[c];)++c;return pa.decode(C.subarray(a,c<<1))}function ra(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 h=0;h<c;++h)E[b>>1]=a.charCodeAt(h),b+=2;E[b>>1]=0;return b-d}
+function sa(a){return 2*a.length}function ta(a,b){for(var c=0,d="";!(c>=b/4);){var h=F[a+4*c>>2];if(0==h)break;++c;65536<=h?(h-=65536,d+=String.fromCharCode(55296|h>>10,56320|h&1023)):d+=String.fromCharCode(h)}return d}function ua(a,b,c){void 0===c&&(c=2147483647);if(4>c)return 0;var d=b;c=d+c-4;for(var h=0;h<a.length;++h){var f=a.charCodeAt(h);if(55296<=f&&57343>=f){var n=a.charCodeAt(++h);f=65536+((f&1023)<<10)|n&1023}F[b>>2]=f;b+=4;if(b+4>c)break}F[b>>2]=0;return b-d}
+function va(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 wa,G,C,E,D,F,H,xa,ya;function za(){var a=ja.buffer;wa=a;g.HEAP8=G=new Int8Array(a);g.HEAP16=E=new Int16Array(a);g.HEAP32=F=new Int32Array(a);g.HEAPU8=C=new Uint8Array(a);g.HEAPU16=D=new Uint16Array(a);g.HEAPU32=H=new Uint32Array(a);g.HEAPF32=xa=new Float32Array(a);g.HEAPF64=ya=new Float64Array(a)}var I,Aa=[],Ba=[],Ca=[];function Da(){var a=g.preRun.shift();Aa.unshift(a)}
+var J=0,Ea=null,K=null;g.preloadedImages={};g.preloadedAudios={};function y(a){if(g.onAbort)g.onAbort(a);z(a);ka=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");ba(a);throw a;}var L=(new URL("jxl_node_enc.wasm",import.meta.url)).toString();
+function Fa(){return Promise.resolve().then(function(){a:{try{if(L==L&&A){var a=new Uint8Array(A);break a}if(ea){a=ea(L);break a}throw"both async and sync fetching of the wasm failed";}catch(b){y(b)}a=void 0}return a})}function Ga(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(g);else{var c=b.ya;"number"===typeof c?void 0===b.$?I.get(c)():I.get(c)(b.$):c(void 0===b.$?null:b.$)}}}
+function Ha(a){this.V=a-16;this.qa=function(b){F[this.V+8>>2]=b};this.na=function(b){F[this.V+0>>2]=b};this.oa=function(){F[this.V+4>>2]=0};this.ma=function(){G[this.V+12>>0]=0};this.pa=function(){G[this.V+13>>0]=0};this.ja=function(b,c){this.qa(b);this.na(c);this.oa();this.ma();this.pa()}}var Ia=0,M={};function Ja(a){for(;a.length;){var b=a.pop();a.pop()(b)}}function N(a){return this.fromWireType(H[a>>2])}var O={},P={},Q={};
+function Ka(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 La(a,b){a=Ka(a);return(new Function("body","return function "+a+'() {\n    "use strict";    return body.apply(this, arguments);\n};\n'))(b)}
+function Ma(a){var b=Error,c=La(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 Na=void 0;
+function Oa(a,b,c){function d(m){m=c(m);if(m.length!==a.length)throw new Na("Mismatched type converter count");for(var k=0;k<a.length;++k)R(a[k],m[k])}a.forEach(function(m){Q[m]=b});var h=Array(b.length),f=[],n=0;b.forEach(function(m,k){P.hasOwnProperty(m)?h[k]=P[m]:(f.push(m),O.hasOwnProperty(m)||(O[m]=[]),O[m].push(function(){h[k]=P[m];++n;n===f.length&&d(h)}))});0===f.length&&d(h)}
+function Pa(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 Qa=void 0;function T(a){for(var b="";C[a];)b+=Qa[C[a++]];return b}var Ra=void 0;function U(a){throw new Ra(a);}
+function R(a,b,c){c=c||{};if(!("argPackAdvance"in b))throw new TypeError("registerType registeredInstance requires argPackAdvance");var d=b.name;a||U('type "'+d+'" must have a positive integer typeid pointer');if(P.hasOwnProperty(a)){if(c.ia)return;U("Cannot register type '"+d+"' twice")}P[a]=b;delete Q[a];O.hasOwnProperty(a)&&(b=O[a],delete O[a],b.forEach(function(h){h()}))}var Sa=[],V=[{},{value:void 0},{value:null},{value:!0},{value:!1}];
+function Ta(a){4<a&&0===--V[a].aa&&(V[a]=void 0,Sa.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=Sa.length?Sa.pop():V.length;V[b]={aa:1,value:a};return b}}function Ua(a){if(null===a)return"null";var b=typeof a;return"object"===b||"array"===b||"function"===b?a.toString():""+a}
+function Va(a,b){switch(b){case 2:return function(c){return this.fromWireType(xa[c>>2])};case 3:return function(c){return this.fromWireType(ya[c>>3])};default:throw new TypeError("Unknown float type: "+a);}}function Wa(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=La(b.name||"unknownFunctionName",function(){});c.prototype=b.prototype;c=new c;a=b.apply(c,a);return a instanceof Object?a:c}
+function Xa(a,b){var c=g;if(void 0===c[a].S){var d=c[a];c[a]=function(){c[a].S.hasOwnProperty(arguments.length)||U("Function '"+b+"' called with an invalid number of arguments ("+arguments.length+") - expects one of ("+c[a].S+")!");return c[a].S[arguments.length].apply(this,arguments)};c[a].S=[];c[a].S[d.da]=d}}
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+"var arg"+l+"Wired = argType"+l+".toWireType("+S+", arg"+l+"); // "+k[l+2].name+"\n",v.push("argType"+l),p.push(k[l+2]);x&&(B="thisWired"+(0<B.length?", ":"")+B);q+=(u?"var rv = ":"")+"invoker(fn"+(0<B.length?", ":"")+B+");\n";if(e)q+="runDestructors(destructors);\n";else for(l=x?1:2;l<k.length;++l)r=1===l?"thisWired":"arg"+(l-2)+"Wired",null!==k[l].T&&(q+=r+"_dtor("+r+"); // "+k[l].name+"\n",v.push(r+"_dtor"),p.push(k[l].T));u&&(q+="var ret = retType.fromWireType(rv);\nreturn ret;\n");v.push(q+"}\n");
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+{ia:!0})},i:function(a,b){b=T(b);var c="std::string"===b;R(a,{name:b,fromWireType:function(d){var h=H[d>>2];if(c)for(var f=d+4,n=0;n<=h;++n){var m=d+4+n;if(n==h||0==C[m]){f=ma(f,m-f);if(void 0===k)var k=f;else k+=String.fromCharCode(0),k+=f;f=m+1}}else{k=Array(h);for(n=0;n<h;++n)k[n]=String.fromCharCode(C[d+4+n]);k=k.join("")}Y(d);return k},toWireType:function(d,h){h instanceof ArrayBuffer&&(h=new Uint8Array(h));var f="string"===typeof h;f||h instanceof Uint8Array||h instanceof Uint8ClampedArray||
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+sa;var n=function(){return D};var m=1}else 4===b&&(d=ta,h=ua,f=va,n=function(){return H},m=2);R(a,{name:c,fromWireType:function(k){for(var q=H[k>>2],p=n(),r,x=k+4,e=0;e<=q;++e){var l=k+4+e*b;if(e==q||0==p[l>>m])x=d(x,l-x),void 0===r?r=x:(r+=String.fromCharCode(0),r+=x),x=l+b}Y(k);return r},toWireType:function(k,q){"string"!==typeof q&&U("Cannot pass non-string to C++ string type "+c);var p=f(q),r=vb(4+p+b);H[r>>2]=p>>m;h(q,r+4,p+b);null!==k&&k.push(Y,r);return r},argPackAdvance:8,readValueFromPointer:N,
+T:function(k){Y(k)}})},l:function(a,b,c,d,h,f){M[a]={name:T(b),ka:X(c,d),la:X(h,f),ba:[]}},d:function(a,b,c,d,h,f,n,m,k,q){M[a].ba.push({ea:T(b),ha:c,fa:X(d,h),ga:f,sa:n,ra:X(m,k),ta:q})},A:function(a,b){b=T(b);R(a,{za:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},e:Ta,C:function(a){if(0===a)return W(gb());var b=fb[a];a=void 0===b?T(a):b;return W(gb()[a])},B:function(a){4<a&&(V[a].aa+=1)},m:function(a,b,c,d){a||U("Cannot use deleted val. handle = "+a);a=V[a].value;
+var h=ib[b];if(!h){h="";for(var f=0;f<b;++f)h+=(0!==f?", ":"")+"arg"+f;var n="return function emval_allocator_"+b+"(constructor, argTypes, args) {\n";for(f=0;f<b;++f)n+="var argType"+f+" = requireRegisteredType(Module['HEAP32'][(argTypes >>> 2) + "+f+'], "parameter '+f+'");\nvar arg'+f+" = argType"+f+".readValueFromPointer(args);\nargs += argType"+f+"['argPackAdvance'];\n";h=(new Function("requireRegisteredType","Module","__emval_register",n+("var obj = new constructor("+h+");\nreturn __emval_register(obj);\n}\n")))(hb,
+g,W);ib[b]=h}return h(a,c,d)},a:function(){y()},s:function(a,b,c){C.copyWithin(a,b,b+c)},f:function(a){var b=C.length;a>>>=0;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(a,d);0<d%65536&&(d+=65536-d%65536);a:{try{ja.grow(Math.min(2147483648,d)-wa.byteLength+65535>>>16);za();var h=1;break a}catch(f){}h=void 0}if(h)return!0}return!1},u:function(a,b){var c=0;kb().forEach(function(d,h){var f=b+c;h=F[a+4*h>>2]=f;for(f=0;f<d.length;++f)G[h++>>0]=d.charCodeAt(f);
+G[h>>0]=0;c+=d.length+1});return 0},v:function(a,b){var c=kb();F[a>>2]=c.length;var d=0;c.forEach(function(h){d+=h.length+1});F[b>>2]=d;return 0},w:function(){return 0},p:function(){},x:function(a,b,c,d){for(var h=0,f=0;f<c;f++){for(var n=F[b+8*f>>2],m=F[b+(8*f+4)>>2],k=0;k<m;k++){var q=C[n+k],p=mb[a];if(0===q||10===q){q=1===a?ia:z;var r;for(r=0;p[r]&&!(NaN<=r);)++r;r=la.decode(p.subarray?p.subarray(0,r):new Uint8Array(p.slice(0,r)));q(r);p.length=0}else p.push(q)}h+=m}F[d>>2]=h;return 0},r:function(){},
+t:function(a,b,c,d){return rb(a,b,c,d)}};
+(function(){function a(h){g.asm=h.exports;ja=g.asm.E;za();I=g.asm.K;Ba.unshift(g.asm.F);J--;g.monitorRunDependencies&&g.monitorRunDependencies(J);0==J&&(null!==Ea&&(clearInterval(Ea),Ea=null),K&&(h=K,K=null,h()))}function b(h){a(h.instance)}function c(h){return Fa().then(function(f){return WebAssembly.instantiate(f,d)}).then(h,function(f){z("failed to asynchronously prepare wasm: "+f);y(f)})}var d={a:wb};J++;g.monitorRunDependencies&&g.monitorRunDependencies(J);if(g.instantiateWasm)try{return g.instantiateWasm(d,
+a)}catch(h){return z("Module.instantiateWasm callback failed with error: "+h),!1}(function(){return A||"function"!==typeof WebAssembly.instantiateStreaming||L.startsWith("data:application/octet-stream;base64,")||"function"!==typeof fetch?c(b):fetch(L,{credentials:"same-origin"}).then(function(h){return WebAssembly.instantiateStreaming(h,d).then(b,function(f){z("wasm streaming compile failed: "+f);z("falling back to ArrayBuffer instantiation");return c(b)})})})().catch(ba);return{}})();
+g.___wasm_call_ctors=function(){return(g.___wasm_call_ctors=g.asm.F).apply(null,arguments)};var vb=g._malloc=function(){return(vb=g._malloc=g.asm.G).apply(null,arguments)},Y=g._free=function(){return(Y=g._free=g.asm.H).apply(null,arguments)},cb=g.___getTypeName=function(){return(cb=g.___getTypeName=g.asm.I).apply(null,arguments)};g.___embind_register_native_and_builtin_types=function(){return(g.___embind_register_native_and_builtin_types=g.asm.J).apply(null,arguments)};
+g.dynCall_viijii=function(){return(g.dynCall_viijii=g.asm.L).apply(null,arguments)};g.dynCall_iiji=function(){return(g.dynCall_iiji=g.asm.M).apply(null,arguments)};g.dynCall_jiji=function(){return(g.dynCall_jiji=g.asm.N).apply(null,arguments)};g.dynCall_iiiiij=function(){return(g.dynCall_iiiiij=g.asm.O).apply(null,arguments)};g.dynCall_iiiiijj=function(){return(g.dynCall_iiiiijj=g.asm.P).apply(null,arguments)};g.dynCall_iiiiiijj=function(){return(g.dynCall_iiiiiijj=g.asm.Q).apply(null,arguments)};
+var xb;K=function yb(){xb||zb();xb||(K=yb)};
+function zb(){function a(){if(!xb&&(xb=!0,g.calledRun=!0,!ka)){Ga(Ba);aa(g);if(g.onRuntimeInitialized)g.onRuntimeInitialized();if(g.postRun)for("function"==typeof g.postRun&&(g.postRun=[g.postRun]);g.postRun.length;){var b=g.postRun.shift();Ca.unshift(b)}Ga(Ca)}}if(!(0<J)){if(g.preRun)for("function"==typeof g.preRun&&(g.preRun=[g.preRun]);g.preRun.length;)Da();Ga(Aa);0<J||(g.setStatus?(g.setStatus("Running..."),setTimeout(function(){setTimeout(function(){g.setStatus("")},1);a()},1)):a())}}g.run=zb;
+if(g.preInit)for("function"==typeof g.preInit&&(g.preInit=[g.preInit]);0<g.preInit.length;)g.preInit.pop()();zb();
+
+
+  return Module.ready
+}
+);
+})();
+export default Module;
--- a/codecs/jxl/enc/jxl_node_enc.wasm
+++ b/codecs/jxl/enc/jxl_node_enc.wasm
--- a/codecs/jxl/package.json
+++ b/codecs/jxl/package.json
@@ -0,0 +1,6 @@
+{
+  "name": "jxl",
+  "scripts": {
+    "build": "../build-cpp.sh"
+  }
+}
--- a/codecs/mozjpeg/LICENSE.codec.md
+++ b/codecs/mozjpeg/LICENSE.codec.md
@@ -0,0 +1,132 @@
+libjpeg-turbo Licenses
+======================
+
+libjpeg-turbo is covered by three compatible BSD-style open source licenses:
+
+- The IJG (Independent JPEG Group) License, which is listed in
+  [README.ijg](README.ijg)
+
+  This license applies to the libjpeg API library and associated programs
+  (any code inherited from libjpeg, and any modifications to that code.)
+
+- The Modified (3-clause) BSD License, which is listed below
+
+  This license covers the TurboJPEG API library and associated programs, as
+  well as the build system.
+
+- The [zlib License](https://opensource.org/licenses/Zlib)
+
+  This license is a subset of the other two, and it covers the libjpeg-turbo
+  SIMD extensions.
+
+
+Complying with the libjpeg-turbo Licenses
+=========================================
+
+This section provides a roll-up of the libjpeg-turbo licensing terms, to the
+best of our understanding.
+
+1.  If you are distributing a modified version of the libjpeg-turbo source,
+    then:
+
+    1.  You cannot alter or remove any existing copyright or license notices
+        from the source.
+
+        **Origin**
+        - Clause 1 of the IJG License
+        - Clause 1 of the Modified BSD License
+        - Clauses 1 and 3 of the zlib License
+
+    2.  You must add your own copyright notice to the header of each source
+        file you modified, so others can tell that you modified that file (if
+        there is not an existing copyright header in that file, then you can
+        simply add a notice stating that you modified the file.)
+
+        **Origin**
+        - Clause 1 of the IJG License
+        - Clause 2 of the zlib License
+
+    3.  You must include the IJG README file, and you must not alter any of the
+        copyright or license text in that file.
+
+        **Origin**
+        - Clause 1 of the IJG License
+
+2.  If you are distributing only libjpeg-turbo binaries without the source, or
+    if you are distributing an application that statically links with
+    libjpeg-turbo, then:
+
+    1.  Your product documentation must include a message stating:
+
+        This software is based in part on the work of the Independent JPEG
+        Group.
+
+        **Origin**
+        - Clause 2 of the IJG license
+
+    2.  If your binary distribution includes or uses the TurboJPEG API, then
+        your product documentation must include the text of the Modified BSD
+        License (see below.)
+
+        **Origin**
+        - Clause 2 of the Modified BSD License
+
+3.  You cannot use the name of the IJG or The libjpeg-turbo Project or the
+    contributors thereof in advertising, publicity, etc.
+
+    **Origin**
+    - IJG License
+    - Clause 3 of the Modified BSD License
+
+4.  The IJG and The libjpeg-turbo Project do not warrant libjpeg-turbo to be
+    free of defects, nor do we accept any liability for undesirable
+    consequences resulting from your use of the software.
+
+    **Origin**
+    - IJG License
+    - Modified BSD License
+    - zlib License
+
+
+The Modified (3-clause) BSD License
+===================================
+
+Copyright (C)2009-2020 D. R. Commander.  All Rights Reserved.
+Copyright (C)2015 Viktor Szathmáry.  All Rights Reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+- Redistributions of source code must retain the above copyright notice,
+  this list of conditions and the following disclaimer.
+- Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+- Neither the name of the libjpeg-turbo Project nor the names of its
+  contributors may be used to endorse or promote products derived from this
+  software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+
+Why Three Licenses?
+===================
+
+The zlib License could have been used instead of the Modified (3-clause) BSD
+License, and since the IJG License effectively subsumes the distribution
+conditions of the zlib License, this would have effectively placed
+libjpeg-turbo binary distributions under the IJG License.  However, the IJG
+License specifically refers to the Independent JPEG Group and does not extend
+attribution and endorsement protections to other entities.  Thus, it was
+desirable to choose a license that granted us the same protections for new code
+that were granted to the IJG for code derived from their software.
--- a/codecs/mozjpeg/Makefile
+++ b/codecs/mozjpeg/Makefile
@@ -0,0 +1,61 @@
+CODEC_URL := https://github.com/mozilla/mozjpeg/archive/v3.3.1.tar.gz
+CODEC_DIR := node_modules/mozjpeg
+CODEC_OUT_RELATIVE := .libs/libjpeg.a rdswitch.o
+CODEC_OUT := $(addprefix $(CODEC_DIR)/, $(CODEC_OUT_RELATIVE))
+ENVIRONMENT = worker
+
+OUT_JS := enc/mozjpeg_enc.js enc/mozjpeg_node_enc.js dec/mozjpeg_node_dec.js
+OUT_WASM := $(OUT_JS:.js=.wasm)
+
+.PHONY: all clean
+
+all: $(OUT_JS)
+
+# Define dependencies for all variations of build artifacts.
+$(filter enc/%,$(OUT_JS)): enc/mozjpeg_enc.cpp
+$(filter dec/%,$(OUT_JS)): dec/mozjpeg_dec.cpp
+
+enc/mozjpeg_node_enc.js dec/mozjpeg_node_dec.js: ENVIRONMENT = node
+
+%.js: $(CODEC_OUT)
+	$(CXX) \
+		-I $(CODEC_DIR) \
+		${CXXFLAGS} \
+		${LDFLAGS} \
+		--bind \
+		-s ENVIRONMENT=$(ENVIRONMENT) \
+		-s EXPORT_ES6=1 \
+		-o $@ \
+		$+
+
+# This one is a bit special: there is no rule for .libs/libjpeg.a
+#  so we use libjpeg.la which implicitly builds that one instead.
+$(CODEC_DIR)/.libs/libjpeg.a: $(CODEC_DIR)/Makefile
+	$(MAKE) -C $(CODEC_DIR) libjpeg.la
+
+$(CODEC_DIR)/rdswitch.o: $(CODEC_DIR)/Makefile
+	$(MAKE) -C $(CODEC_DIR) rdswitch.o
+
+$(CODEC_DIR)/Makefile: $(CODEC_DIR)/configure
+	cd $(CODEC_DIR) && ./configure \
+		--disable-shared \
+		--without-turbojpeg \
+		--without-simd \
+		--without-arith-enc \
+		--without-arith-dec \
+		--with-build-date=squoosh
+		# ^ If not provided with a dummy value, MozJPEG includes a build date in the
+		# binary as part of the version string, making binaries different each time.
+
+$(CODEC_DIR)/configure: $(CODEC_DIR)/configure.ac
+	cd $(CODEC_DIR) && autoreconf -iv
+
+$(CODEC_DIR)/configure.ac: $(CODEC_DIR)
+
+$(CODEC_DIR):
+	mkdir -p $@
+	curl -sL $(CODEC_URL) | tar xz --strip 1 -C $@
+
+clean:
+	$(RM) $(OUT_JS) $(OUT_WASM)
+	$(MAKE) -C $(CODEC_DIR) clean
--- a/codecs/mozjpeg/dec/mozjpeg_dec.cpp
+++ b/codecs/mozjpeg/dec/mozjpeg_dec.cpp
@@ -0,0 +1,57 @@
+#include <emscripten/bind.h>
+#include <emscripten/val.h>
+#include "config.h"
+#include "jpeglib.h"
+
+extern "C" {
+#include "cdjpeg.h"
+}
+
+using namespace emscripten;
+
+thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");
+thread_local const val ImageData = val::global("ImageData");
+
+val decode(std::string image_in) {
+  uint8_t* image_buffer = (uint8_t*)image_in.c_str();
+
+  jpeg_decompress_struct cinfo;
+  jpeg_error_mgr jerr;
+  // Initialize the JPEG decompression object with default error handling.
+  cinfo.err = jpeg_std_error(&jerr);
+  jpeg_create_decompress(&cinfo);
+
+  jpeg_mem_src(&cinfo, image_buffer, image_in.length());
+  // Read file header, set default decompression parameters
+  jpeg_read_header(&cinfo, TRUE);
+  // Force RGBA decoding, even for grayscale images
+  cinfo.out_color_space = JCS_EXT_RGBA;
+  jpeg_start_decompress(&cinfo);
+
+  // Prepare output buffer
+  size_t output_size = cinfo.output_width * cinfo.output_height * 4;
+  std::vector<uint8_t> output_buffer(output_size);
+  auto stride = cinfo.output_width * 4;
+
+  // Process data
+  while (cinfo.output_scanline < cinfo.output_height) {
+    uint8_t* ptr = &output_buffer[stride * cinfo.output_scanline];
+    jpeg_read_scanlines(&cinfo, &ptr, 1);
+  }
+  jpeg_finish_decompress(&cinfo);
+
+  // Step 7: release JPEG compression object
+
+  auto data = Uint8ClampedArray.new_(typed_memory_view(output_size, &output_buffer[0]));
+  auto js_result = ImageData.new_(data, cinfo.output_width, cinfo.output_height);
+
+  // This is an important step since it will release a good deal of memory.
+  jpeg_destroy_decompress(&cinfo);
+
+  // And we're done!
+  return js_result;
+}
+
+EMSCRIPTEN_BINDINGS(my_module) {
+  function("decode", &decode);
+}
--- a/codecs/mozjpeg/dec/mozjpeg_node_dec.js
+++ b/codecs/mozjpeg/dec/mozjpeg_node_dec.js
@@ -0,0 +1,57 @@
+
+var Module = (function() {
+  var _scriptDir = import.meta.url;
+  
+  return (
+function(Module) {
+  Module = Module || {};
+
+
+var e;e||(e=typeof Module !== 'undefined' ? Module : {});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 v="./this.program";function w(a,b){throw b;}var ba,y,ca,da;ba=function(a){ca||(ca=require("fs"));da||(da=require("path"));a=da.normalize(a);return ca.readFileSync(a,null)};y=function(a){a=ba(a);a.buffer||(a=new Uint8Array(a));a.buffer||z("Assertion failed: undefined");return a};
+1<process.argv.length&&(v=process.argv[1].replace(/\\/g,"/"));process.argv.slice(2);process.on("uncaughtException",function(a){if(!(a instanceof ea))throw a;});process.on("unhandledRejection",z);w=function(a){process.exit(a)};e.inspect=function(){return"[Emscripten Module object]"};var fa=e.print||console.log.bind(console),A=e.printErr||console.warn.bind(console);for(u in t)t.hasOwnProperty(u)&&(e[u]=t[u]);t=null;e.thisProgram&&(v=e.thisProgram);e.quit&&(w=e.quit);var C;e.wasmBinary&&(C=e.wasmBinary);
+var noExitRuntime=e.noExitRuntime||!0;"object"!==typeof WebAssembly&&z("no native wasm support detected");var ha,ia=!1,ja=new TextDecoder("utf8");
+function ka(a,b,c){var d=D;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 la=new TextDecoder("utf-16le");
+function ma(a,b){var c=a>>1;for(b=c+b/2;!(c>=b)&&E[c];)++c;return la.decode(D.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 f=0;f<c;++f)G[b>>1]=a.charCodeAt(f),b+=2;G[b>>1]=0;return b-d}function oa(a){return 2*a.length}function pa(a,b){for(var c=0,d="";!(c>=b/4);){var f=H[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 qa(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}H[b>>2]=g;b+=4;if(b+4>c)break}H[b>>2]=0;return b-d}function ra(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 sa,I,D,G,E,H,K,ta,ua;
+function va(){var a=ha.buffer;sa=a;e.HEAP8=I=new Int8Array(a);e.HEAP16=G=new Int16Array(a);e.HEAP32=H=new Int32Array(a);e.HEAPU8=D=new Uint8Array(a);e.HEAPU16=E=new Uint16Array(a);e.HEAPU32=K=new Uint32Array(a);e.HEAPF32=ta=new Float32Array(a);e.HEAPF64=ua=new Float64Array(a)}var L,wa=[],xa=[],ya=[];function za(){var a=e.preRun.shift();wa.unshift(a)}var M=0,Aa=null,N=null;e.preloadedImages={};e.preloadedAudios={};
+function z(a){if(e.onAbort)e.onAbort(a);A(a);ia=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");r(a);throw a;}var O=(new URL("mozjpeg_node_dec.wasm",import.meta.url)).toString();function Ba(){return Promise.resolve().then(function(){a:{try{if(O==O&&C){var a=new Uint8Array(C);break a}if(y){a=y(O);break a}throw"both async and sync fetching of the wasm failed";}catch(b){z(b)}a=void 0}return a})}
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+function Fa(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 Ga(a,b){a=Fa(a);return(new Function("body","return function "+a+'() {\n    "use strict";    return body.apply(this, arguments);\n};\n'))(b)}
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+m=h=a,n=f,p=k.length;2>p&&T("argTypes array size mismatch! Must at least get return value and 'this' types!");for(var x=null!==k[1]&&!1,B=!1,q=1;q<k.length;++q)if(null!==k[q]&&void 0===k[q].I){B=!0;break}var Oa="void"!==k[0].name,F="",J="";for(q=0;q<p-2;++q)F+=(0!==q?", ":"")+"arg"+q,J+=(0!==q?", ":"")+"arg"+q+"Wired";m="return function "+Fa(m)+"("+F+") {\nif (arguments.length !== "+(p-2)+") {\nthrowBindingError('function "+m+" called with ' + arguments.length + ' arguments, expected "+(p-2)+" args!');\n}\n";
+B&&(m+="var destructors = [];\n");var Pa=B?"destructors":"null";F="throwBindingError invoker fn runDestructors retType classParam".split(" ");n=[T,n,g,Ta,k[0],k[1]];x&&(m+="var thisWired = classParam.toWireType("+Pa+", this);\n");for(q=0;q<p-2;++q)m+="var arg"+q+"Wired = argType"+q+".toWireType("+Pa+", arg"+q+"); // "+k[q+2].name+"\n",F.push("argType"+q),n.push(k[q+2]);x&&(J="thisWired"+(0<J.length?", ":"")+J);m+=(Oa?"var rv = ":"")+"invoker(fn"+(0<J.length?", ":"")+J+");\n";if(B)m+="runDestructors(destructors);\n";
+else for(q=x?1:2;q<k.length;++q)p=1===q?"thisWired":"arg"+(q-2)+"Wired",null!==k[q].I&&(m+=p+"_dtor("+p+"); // "+k[q].name+"\n",F.push(p+"_dtor"),n.push(k[q].I));Oa&&(m+="var ret = retType.fromWireType(rv);\nreturn ret;\n");F.push(m+"}\n");k=Sa(F).apply(null,n);q=b-1;if(!e.hasOwnProperty(h))throw new Ja("Replacing nonexistant public symbol");void 0!==e[h].H&&void 0!==q?e[h].H[q]=k:(e[h]=k,e[h].L=q);return[]})},b:function(a,b,c,d,f){function g(m){return m}b=P(b);-1===f&&(f=4294967295);var l=Da(c);
+if(0===d){var h=32-8*c;g=function(m){return m<<h>>>h}}var k=b.includes("unsigned");U(a,{name:b,fromWireType:g,toWireType:function(m,n){if("number"!==typeof n&&"boolean"!==typeof n)throw new TypeError('Cannot convert "'+Qa(n)+'" to '+this.name);if(n<d||n>f)throw new TypeError('Passing a number "'+Qa(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:cb(b,l,0!==d),I:null})},a:function(a,
+b,c){function d(g){g>>=2;var l=K;return new f(sa,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})},h:function(a,b){b=P(b);var c="std::string"===b;U(a,{name:b,fromWireType:function(d){var f=K[d>>2];if(c)for(var g=d+4,l=0;l<=f;++l){var h=d+4+l;if(l==f||0==D[h]){if(g){for(var k=g+(h-g),m=g;!(m>=k)&&D[m];)++m;g=ja.decode(D.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(D[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)<<10)|f.charCodeAt(++n)&
+1023);127>=p?++m:m=2047>=p?m+2:65535>=p?m+3:m+4}return m}:function(){return f.length})(),h=mb(4+l+1);K[h>>2]=l;if(c&&g)ka(f,h+4,l+1);else if(g)for(g=0;g<l;++g){var k=f.charCodeAt(g);255<k&&(X(h),T("String has UTF-16 code units that do not fit in 8 bits"));D[h+4+g]=k}else for(g=0;g<l;++g)D[h+4+g]=f[g];null!==d&&d.push(X,h);return h},argPackAdvance:8,readValueFromPointer:Na,I:function(d){X(d)}})},g:function(a,b,c){c=P(c);if(2===b){var d=ma;var f=na;var g=oa;var l=function(){return E};var h=1}else 4===
+b&&(d=pa,f=qa,g=ra,l=function(){return K},h=2);U(a,{name:c,fromWireType:function(k){for(var m=K[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=mb(4+n+b);K[p>>2]=n>>h;f(m,p+4,n+b);null!==k&&k.push(X,p);return p},argPackAdvance:8,readValueFromPointer:Na,I:function(k){X(k)}})},n:function(a,b){b=
+P(b);U(a,{O:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},c:Ma,d:function(a){if(0===a)return W(eb());var b=db[a];a=void 0===b?P(a):b;return W(eb()[a])},i:function(a){4<a&&(V[a].K+=1)},j: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)},k:function(){z()},s:function(a,b,c){D.copyWithin(a,b,b+c)},f:function(a){var b=D.length;a>>>=0;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(a,
+d);0<d%65536&&(d+=65536-d%65536);a:{try{ha.grow(Math.min(2147483648,d)-sa.byteLength+65535>>>16);va();var f=1;break a}catch(g){}f=void 0}if(f)return!0}return!1},t:function(a,b){var c=0;ib().forEach(function(d,f){var g=b+c;f=H[a+4*f>>2]=g;for(g=0;g<d.length;++g)I[f++>>0]=d.charCodeAt(g);I[f>>0]=0;c+=d.length+1});return 0},u:function(a,b){var c=ib();H[a>>2]=c.length;var d=0;c.forEach(function(f){d+=f.length+1});H[b>>2]=d;return 0},y:function(a){if(!noExitRuntime){if(e.onExit)e.onExit(a);ia=!0}w(a,new ea(a))},
+v:function(){return 0},p:function(){},w:function(a,b,c,d){for(var f=0,g=0;g<c;g++){for(var l=H[b+8*g>>2],h=H[b+(8*g+4)>>2],k=0;k<h;k++){var m=D[l+k],n=kb[a];if(0===m||10===m){m=1===a?fa:A;var p;for(p=0;n[p]&&!(NaN<=p);)++p;p=ja.decode(n.subarray?n.subarray(0,p):new Uint8Array(n.slice(0,p)));m(p);n.length=0}else n.push(m)}f+=h}H[d>>2]=f;return 0},r:function(){}};
+(function(){function a(f){e.asm=f.exports;ha=e.asm.z;va();L=e.asm.F;xa.unshift(e.asm.A);M--;e.monitorRunDependencies&&e.monitorRunDependencies(M);0==M&&(null!==Aa&&(clearInterval(Aa),Aa=null),N&&(f=N,N=null,f()))}function b(f){a(f.instance)}function c(f){return Ba().then(function(g){return WebAssembly.instantiate(g,d)}).then(f,function(g){A("failed to asynchronously prepare wasm: "+g);z(g)})}var d={a:nb};M++;e.monitorRunDependencies&&e.monitorRunDependencies(M);if(e.instantiateWasm)try{return e.instantiateWasm(d,
+a)}catch(f){return A("Module.instantiateWasm callback failed with error: "+f),!1}(function(){return C||"function"!==typeof WebAssembly.instantiateStreaming||O.startsWith("data:application/octet-stream;base64,")||"function"!==typeof fetch?c(b):fetch(O,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,d).then(b,function(g){A("wasm streaming compile failed: "+g);A("falling back to ArrayBuffer instantiation");return c(b)})})})().catch(r);return{}})();
+e.___wasm_call_ctors=function(){return(e.___wasm_call_ctors=e.asm.A).apply(null,arguments)};var mb=e._malloc=function(){return(mb=e._malloc=e.asm.B).apply(null,arguments)},X=e._free=function(){return(X=e._free=e.asm.C).apply(null,arguments)},ab=e.___getTypeName=function(){return(ab=e.___getTypeName=e.asm.D).apply(null,arguments)};e.___embind_register_native_and_builtin_types=function(){return(e.___embind_register_native_and_builtin_types=e.asm.E).apply(null,arguments)};
+e.dynCall_jiji=function(){return(e.dynCall_jiji=e.asm.G).apply(null,arguments)};var Z;function ea(a){this.name="ExitStatus";this.message="Program terminated with exit("+a+")";this.status=a}N=function ob(){Z||pb();Z||(N=ob)};
+function pb(){function a(){if(!Z&&(Z=!0,e.calledRun=!0,!ia)){Ca(xa);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();ya.unshift(b)}Ca(ya)}}if(!(0<M)){if(e.preRun)for("function"==typeof e.preRun&&(e.preRun=[e.preRun]);e.preRun.length;)za();Ca(wa);0<M||(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()();pb();
+
+
+  return Module.ready
+}
+);
+})();
+export default Module;
--- a/codecs/mozjpeg/dec/mozjpeg_node_dec.wasm
+++ b/codecs/mozjpeg/dec/mozjpeg_node_dec.wasm
--- a/codecs/mozjpeg/enc/mozjpeg_enc.cpp
+++ b/codecs/mozjpeg/enc/mozjpeg_enc.cpp
@@ -1,18 +1,22 @@
 #include <emscripten/bind.h>
 #include <emscripten/val.h>
-#include <stdlib.h>
 #include <inttypes.h>
-#include <stdio.h>
 #include <setjmp.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include "config.h"
 #include "jpeglib.h"
+
+extern "C" {
 #include "cdjpeg.h"
+}

 using namespace emscripten;

-// MozJPEG doesn’t expose a numeric version, so I have to do some fun C macro hackery to turn it
-// into a string. More details here: https://gcc.gnu.org/onlinedocs/cpp/Stringizing.html
+// MozJPEG doesn’t expose a numeric version, so I have to do some fun C macro
+// hackery to turn it into a string. More details here:
+// https://gcc.gnu.org/onlinedocs/cpp/Stringizing.html
 #define xstr(s) str(s)
 #define str(s) #s

@@ -39,8 +43,8 @@ int version() {
  char buffer[] = xstr(MOZJPEG_VERSION);
  int version = 0;
  int last_index = 0;
-  for(int i = 0; i < strlen(buffer); i++) {
-    if(buffer[i] == '.') {
+  for (int i = 0; i < strlen(buffer); i++) {
+    if (buffer[i] == '.') {
      buffer[i] = '\0';
      version = version << 8 | atoi(&buffer[last_index]);
      buffer[i] = '.';
@@ -51,16 +55,16 @@ int version() {
  return version;
 }

-uint8_t* last_result;
-struct jpeg_compress_struct cinfo;
+thread_local const val Uint8Array = val::global("Uint8Array");

 val encode(std::string image_in, int image_width, int image_height, MozJpegOptions opts) {
-  uint8_t* image_buffer = (uint8_t*) image_in.c_str();
+  uint8_t* image_buffer = (uint8_t*)image_in.c_str();

  // The code below is basically the `write_JPEG_file` function from
  // https://github.com/mozilla/mozjpeg/blob/master/example.c
  // I just write to memory instead of a file.

+  /* Step 1: allocate and initialize JPEG compression object */

  /* This struct contains the JPEG compression parameters and pointers to
   * working space (which is allocated as needed by the JPEG library).
@@ -68,6 +72,7 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
   * compression/decompression processes, in existence at once.  We refer
   * to any one struct (and its associated working data) as a "JPEG object".
   */
+  jpeg_compress_struct cinfo;
  /* This struct represents a JPEG error handler.  It is declared separately
   * because applications often want to supply a specialized error handler
   * (see the second half of this file for an example).  But here we just
@@ -76,15 +81,7 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
   * Note that this struct must live as long as the main JPEG parameter
   * struct, to avoid dangling-pointer problems.
   */
-  struct jpeg_error_mgr jerr;
-  /* More stuff */
-  JSAMPROW row_pointer[1];      /* pointer to JSAMPLE row[s] */
-  int row_stride;               /* physical row width in image buffer */
-  uint8_t* output;
-  unsigned long size;
-
-  /* Step 1: allocate and initialize JPEG compression object */
-
+  jpeg_error_mgr jerr;
  /* We have to set up the error handler first, in case the initialization
   * step fails.  (Unlikely, but it could happen if you are out of memory.)
   * This routine fills in the contents of struct jerr, and returns jerr's
@@ -106,6 +103,8 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
  //   fprintf(stderr, "can't open %s\n", filename);
  //   exit(1);
  // }
+  uint8_t* output = nullptr;
+  unsigned long size = 0;
  jpeg_mem_dest(&cinfo, &output, &size);

  /* Step 3: set parameters for compression */
@@ -113,17 +112,17 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
  /* First we supply a description of the input image.
   * Four fields of the cinfo struct must be filled in:
   */
-  cinfo.image_width = image_width;      /* image width and height, in pixels */
+  cinfo.image_width = image_width; /* image width and height, in pixels */
  cinfo.image_height = image_height;
-  cinfo.input_components = 4;           /* # of color components per pixel */
-  cinfo.in_color_space = JCS_EXT_RGBA;  /* colorspace of input image */
+  cinfo.input_components = 4;          /* # of color components per pixel */
+  cinfo.in_color_space = JCS_EXT_RGBA; /* colorspace of input image */
  /* Now use the library's routine to set default compression parameters.
   * (You must set at least cinfo.in_color_space before calling this,
   * since the defaults depend on the source color space.)
   */
  jpeg_set_defaults(&cinfo);

-  jpeg_set_colorspace(&cinfo, (J_COLOR_SPACE) opts.color_space);
+  jpeg_set_colorspace(&cinfo, (J_COLOR_SPACE)opts.color_space);

  if (opts.quant_table != -1) {
    jpeg_c_set_int_param(&cinfo, JINT_BASE_QUANT_TBL_IDX, opts.quant_table);
@@ -142,18 +141,19 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
  jpeg_c_set_bool_param(&cinfo, JBOOLEAN_TRELLIS_EOB_OPT, opts.trellis_opt_zero);
  jpeg_c_set_bool_param(&cinfo, JBOOLEAN_TRELLIS_Q_OPT, opts.trellis_opt_table);
  jpeg_c_set_int_param(&cinfo, JINT_TRELLIS_NUM_LOOPS, opts.trellis_loops);
+  jpeg_c_set_int_param(&cinfo, JINT_DC_SCAN_OPT_MODE, 0);

-  // A little hacky to build a string for this, but it means we can use set_quality_ratings which
-  // does some useful heuristic stuff.
+  // A little hacky to build a string for this, but it means we can use
+  // set_quality_ratings which does some useful heuristic stuff.
  std::string quality_str = std::to_string(opts.quality);

  if (opts.separate_chroma_quality && opts.color_space == JCS_YCbCr) {
    quality_str += "," + std::to_string(opts.chroma_quality);
  }

-  char const *pqual = quality_str.c_str();
+  char const* pqual = quality_str.c_str();

-  set_quality_ratings(&cinfo, (char*) pqual, opts.baseline);
+  set_quality_ratings(&cinfo, (char*)pqual, opts.baseline);

  if (!opts.auto_subsample && opts.color_space == JCS_YCbCr) {
    cinfo.comp_info[0].h_samp_factor = opts.chroma_subsample;
@@ -181,54 +181,54 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
   * To keep things simple, we pass one scanline per call; you can pass
   * more if you wish, though.
   */
-  row_stride = image_width * 4; /* JSAMPLEs per row in image_buffer */
+  int row_stride = image_width * 4; /* JSAMPLEs per row in image_buffer */

  while (cinfo.next_scanline < cinfo.image_height) {
    /* jpeg_write_scanlines expects an array of pointers to scanlines.
     * Here the array is only one element long, but you could pass
     * more than one scanline at a time if that's more convenient.
     */
-    row_pointer[0] = & image_buffer[cinfo.next_scanline * row_stride];
-    (void) jpeg_write_scanlines(&cinfo, row_pointer, 1);
+
+    JSAMPROW row_pointer =
+        &image_buffer[cinfo.next_scanline * row_stride]; /* pointer to JSAMPLE row[s] */
+    (void)jpeg_write_scanlines(&cinfo, &row_pointer, 1);
  }

  /* Step 6: Finish compression */

  jpeg_finish_compress(&cinfo);
+
  /* Step 7: release JPEG compression object */

-  last_result = output;
+  auto js_result = Uint8Array.new_(typed_memory_view(size, output));

-  /* And we're done! */
-  return val(typed_memory_view(size, output));
-}
-
-void free_result() {
  /* This is an important step since it will release a good deal of memory. */
  jpeg_destroy_compress(&cinfo);
+  free(output);
+
+  /* And we're done! */
+  return js_result;
 }

 EMSCRIPTEN_BINDINGS(my_module) {
  value_object<MozJpegOptions>("MozJpegOptions")
-    .field("quality", &MozJpegOptions::quality)
-    .field("baseline", &MozJpegOptions::baseline)
-    .field("arithmetic", &MozJpegOptions::arithmetic)
-    .field("progressive", &MozJpegOptions::progressive)
-    .field("optimize_coding", &MozJpegOptions::optimize_coding)
-    .field("smoothing", &MozJpegOptions::smoothing)
-    .field("color_space", &MozJpegOptions::color_space)
-    .field("quant_table", &MozJpegOptions::quant_table)
-    .field("trellis_multipass", &MozJpegOptions::trellis_multipass)
-    .field("trellis_opt_zero", &MozJpegOptions::trellis_opt_zero)
-    .field("trellis_opt_table", &MozJpegOptions::trellis_opt_table)
-    .field("trellis_loops", &MozJpegOptions::trellis_loops)
-    .field("chroma_subsample", &MozJpegOptions::chroma_subsample)
-    .field("auto_subsample", &MozJpegOptions::auto_subsample)
-    .field("separate_chroma_quality", &MozJpegOptions::separate_chroma_quality)
-    .field("chroma_quality", &MozJpegOptions::chroma_quality)
-    ;
+      .field("quality", &MozJpegOptions::quality)
+      .field("baseline", &MozJpegOptions::baseline)
+      .field("arithmetic", &MozJpegOptions::arithmetic)
+      .field("progressive", &MozJpegOptions::progressive)
+      .field("optimize_coding", &MozJpegOptions::optimize_coding)
+      .field("smoothing", &MozJpegOptions::smoothing)
+      .field("color_space", &MozJpegOptions::color_space)
+      .field("quant_table", &MozJpegOptions::quant_table)
+      .field("trellis_multipass", &MozJpegOptions::trellis_multipass)
+      .field("trellis_opt_zero", &MozJpegOptions::trellis_opt_zero)
+      .field("trellis_opt_table", &MozJpegOptions::trellis_opt_table)
+      .field("trellis_loops", &MozJpegOptions::trellis_loops)
+      .field("chroma_subsample", &MozJpegOptions::chroma_subsample)
+      .field("auto_subsample", &MozJpegOptions::auto_subsample)
+      .field("separate_chroma_quality", &MozJpegOptions::separate_chroma_quality)
+      .field("chroma_quality", &MozJpegOptions::chroma_quality);

  function("version", &version);
  function("encode", &encode);
-  function("free_result", &free_result);
 }
--- a/codecs/mozjpeg/enc/mozjpeg_enc.d.ts
+++ b/codecs/mozjpeg/enc/mozjpeg_enc.d.ts
@@ -0,0 +1,37 @@
+export const enum MozJpegColorSpace {
+  GRAYSCALE = 1,
+  RGB,
+  YCbCr,
+}
+
+export interface EncodeOptions {
+  quality: number;
+  baseline: boolean;
+  arithmetic: boolean;
+  progressive: boolean;
+  optimize_coding: boolean;
+  smoothing: number;
+  color_space: MozJpegColorSpace;
+  quant_table: number;
+  trellis_multipass: boolean;
+  trellis_opt_zero: boolean;
+  trellis_opt_table: boolean;
+  trellis_loops: number;
+  auto_subsample: boolean;
+  chroma_subsample: number;
+  separate_chroma_quality: boolean;
+  chroma_quality: number;
+}
+
+export interface MozJPEGModule extends EmscriptenWasm.Module {
+  encode(
+    data: BufferSource,
+    width: number,
+    height: number,
+    options: EncodeOptions,
+  ): Uint8Array;
+}
+
+declare var moduleFactory: EmscriptenWasm.ModuleFactory<MozJPEGModule>;
+
+export default moduleFactory;
--- a/Show More
+++ b/Show More
				`@@ -0,0 +1 @@`
				"use strict";var Module={};var initializedJS=false;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:Module["_pthread_self"]()})}var err=threadPrintErr;self.alert=threadAlert;Module["instantiateWasm"]=function(info,receiveInstance){var instance=new WebAssembly.Instance(Module["wasmModule"],info);receiveInstance(instance);Module["wasmModule"]=null;return instance.exports};function moduleLoaded(){}self.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;(e.data.urlOrBlob?import(e.data.urlOrBlob):import("./avif_enc_mt.js")).then(function(exports){return exports.default(Module)}).then(function(instance){Module=instance;moduleLoaded()})}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;Module["__emscripten_thread_init"](e.data.threadInfoStruct,/isMainBrowserThread=/0,/isMainRuntimeThread=/0);var max=e.data.stackBase;var top=e.data.stackBase+e.data.stackSize;Module["establishStackSpace"](top,max);Module["PThread"].receiveObjectTransfer(e.data);Module["PThread"].threadInit();if(!initializedJS){Module["___embind_register_native_and_builtin_types"]();initializedJS=true}try{var result=Module["invokeEntryPoint"](e.data.start_routine,e.data.arg);if(Module["keepRuntimeAlive"]()){Module["PThread"].setExitStatus(result)}else{Module["PThread"].threadExit(result)}}catch(ex){if(ex==="Canceled!"){Module["PThread"].threadCancel()}else if(ex!="unwind"){if(ex instanceof Module["ExitStatus"]){if(Module["keepRuntimeAlive"]()){}else{Module["PThread"].threadExit(ex.status)}}else{Module["PThread"].threadExit(-2);throw ex}}}}else if(e.data.cmd==="cancel"){if(Module["_pthread_self"]()){Module["PThread"].threadCancel()}}else if(e.data.target==="setimmediate"){}else if(e.data.cmd==="processThreadQueue"){if(Module["_pthread_self"]()){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}};