1.12.0

This reverts commit 5715fb7b1b, reversing
changes made to 2c923e5239.

.clang-format

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

.travis.yml

@@ -2,3 +2,6 @@ language: node_js
 cache: npm
 script: npm run build
 after_success: npm run sizereport
+os:
+  - linux
+  - windows

README.md

@@ -10,6 +10,7 @@ Google Analytics is used to record the following:
 * [Basic visit data](https://support.google.com/analytics/answer/6004245?ref_topic=2919631).
 * Before and after image size once an image is downloaded. These values are rounded to the nearest
   kilobyte.
+* If install is available, when Squoosh is installed, and what method was used to install Squoosh.
 
 Image compression is handled locally; no additional data is sent to the server.
 

codecs/avif/Makefile

@@ -0,0 +1,76 @@
+CODEC_URL = https://github.com/AOMediaCodec/libavif/archive/v0.8.1.tar.gz
+CODEC_DIR = node_modules/libavif
+CODEC_BUILD_DIR := $(CODEC_DIR)/build
+CODEC_OUT := $(CODEC_BUILD_DIR)/libavif.a
+
+LIBAOM_URL = https://aomedia.googlesource.com/aom/+archive/v2.0.0.tar.gz
+LIBAOM_DIR := $(CODEC_DIR)/ext/aom
+LIBAOM_BUILD_DIR := $(LIBAOM_DIR)/build.libavif
+LIBAOM_OUT := $(LIBAOM_BUILD_DIR)/libaom.a
+
+OUT_JS = enc/avif_enc.js dec/avif_dec.js
+OUT_WASM = $(OUT_JS:.js=.wasm)
+
+.PHONY: all clean
+
+all: $(OUT_JS)
+
+%.js: %.cpp $(LIBAOM_OUT) $(CODEC_OUT)
+	$(CXX) \
+		-I $(CODEC_DIR)/include \
+		${CXXFLAGS} \
+		${LDFLAGS} \
+		--bind \
+		--closure 1 \
+		-s ALLOW_MEMORY_GROWTH=1 \
+		-s MODULARIZE=1 \
+		-s 'EXPORT_NAME="$(basename $(@F))"' \
+		-o $@ \
+		$+
+
+$(CODEC_OUT): $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_OUT)
+	mkdir -p $(CODEC_BUILD_DIR)
+	cd $(CODEC_BUILD_DIR) && \
+	emcmake cmake \
+		-DCMAKE_BUILD_TYPE=Release \
+		-DBUILD_SHARED_LIBS=0 \
+		-DAVIF_CODEC_AOM=1 \
+		-DAVIF_LOCAL_AOM=1 \
+		../ && \
+	$(MAKE)
+
+$(LIBAOM_OUT): $(LIBAOM_DIR)/CMakeLists.txt
+	mkdir -p $(LIBAOM_BUILD_DIR)
+	cd $(LIBAOM_BUILD_DIR) && \
+	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_MULTITHREAD=0 \
+		-DCONFIG_RUNTIME_CPU_DETECT=0 \
+		-DCONFIG_WEBM_IO=0 \
+		../ && \
+	$(MAKE)
+
+$(CODEC_DIR)/CMakeLists.txt: $(CODEC_DIR)
+
+$(LIBAOM_DIR)/CMakeLists.txt: $(LIBAOM_DIR)
+
+$(CODEC_DIR):
+	mkdir -p $@
+	curl -sL $(CODEC_URL) | tar xz --strip 1 -C $@
+
+$(LIBAOM_DIR):
+	mkdir -p $@
+	curl -sL $(LIBAOM_URL) | tar xz -C $@
+
+clean:
+	$(RM) $(OUT_JS) $(OUT_WASM)
+	$(MAKE) -C $(CODEC_BUILD_DIR) clean
+	$(MAKE) -C $(LIBAOM_BUILD_DIR) clean

codecs/avif/dec/README.md

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

codecs/avif/dec/avif_dec.cpp

@@ -0,0 +1,50 @@
+#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) {
+  // point raw.data and raw.size to the contents of an .avif(s)
+  avifROData raw = {
+    .data = (uint8_t*)avifimage.c_str(),
+    .size = avifimage.length()
+  };
+
+  avifImage* image = avifImageCreateEmpty();
+  avifDecoder* decoder = avifDecoderCreate();
+  avifResult decodeResult = avifDecoderRead(decoder, image, &raw);
+  // image is an independent copy of decoded data, decoder may be destroyed here
+  avifDecoderDestroy(decoder);
+
+  val result = val::null();
+
+  if (decodeResult == AVIF_RESULT_OK) {
+    // Convert to interleaved RGB(A)/BGR(A) using a libavif-allocated buffer.
+    avifRGBImage rgb;
+    avifRGBImageSetDefaults(&rgb, image);  // Defaults to AVIF_RGB_FORMAT_RGBA which is what we want.
+    rgb.depth = 8;  // Does not need to match image->depth. We always want 8-bit pixels.
+
+    avifRGBImageAllocatePixels(&rgb);
+    avifImageYUVToRGB(image, &rgb);
+
+    // We want to create a *copy* of the decoded data to be owned by the JavaScript side.
+    // For that, we perform `new Uint8Array(wasmMemBuffer, wasmPtr, wasmSize).slice()`:
+    result = ImageData.new_(Uint8ClampedArray.new_(typed_memory_view(rgb.rowBytes * rgb.height, rgb.pixels)), rgb.width, rgb.height);
+
+    // Now we can safely free the RGB pixels:
+    avifRGBImageFreePixels(&rgb);
+  }
+
+  // Image has been converted to RGB, we don't need the original anymore.
+  avifImageDestroy(image);
+
+  return result;
+}
+
+EMSCRIPTEN_BINDINGS(my_module) {
+  function("decode", &decode);
+}

codecs/avif/dec/avif_dec.d.ts

@@ -0,0 +1,6 @@
+interface AVIFModule extends EmscriptenWasm.Module {
+  decode(data: BufferSource): ImageData | null;
+}
+
+export default function(opts: EmscriptenWasm.ModuleOpts): AVIFModule;
+

codecs/avif/dec/avif_dec.js

@@ -0,0 +1,72 @@
+
+var avif_dec = (function() {
+  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
+  if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
+  return (
+function(avif_dec) {
+  avif_dec = avif_dec || {};
+
+
+var d;d||(d=typeof avif_dec !== 'undefined' ? avif_dec : {});var aa,ba;d.ready=new Promise(function(a,b){aa=a;ba=b});var r={},t;for(t in d)d.hasOwnProperty(t)&&(r[t]=d[t]);var u=!1,v=!1,ca=!1,da=!1;u="object"===typeof window;v="function"===typeof importScripts;ca="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;da=!u&&!ca&&!v;var w="",x,z,ea,fa;
+if(ca)w=v?require("path").dirname(w)+"/":__dirname+"/",x=function(a,b){ea||(ea=require("fs"));fa||(fa=require("path"));a=fa.normalize(a);return ea.readFileSync(a,b?null:"utf8")},z=function(a){a=x(a,!0);a.buffer||(a=new Uint8Array(a));a.buffer||A("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",A),d.inspect=function(){return"[Emscripten Module object]"};
+else if(da)"undefined"!=typeof read&&(x=function(a){return read(a)}),z=function(a){if("function"===typeof readbuffer)return new Uint8Array(readbuffer(a));a=read(a,"binary");"object"===typeof a||A("Assertion failed: undefined");return a},"undefined"!==typeof print&&("undefined"===typeof console&&(console={}),console.log=print,console.warn=console.error="undefined"!==typeof printErr?printErr:print);else if(u||v)v?w=self.location.href:document.currentScript&&(w=document.currentScript.src),_scriptDir&&
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+function pa(a,b){var c=a>>1;for(var e=c+b/2;!(c>=e)&&G[c];)++c;c<<=1;if(32<c-a&&oa)return oa.decode(F.subarray(a,c));c=0;for(e="";;){var f=H[a+2*c>>1];if(0==f||c==b/2)return e;++c;e+=String.fromCharCode(f)}}function qa(a,b,c){void 0===c&&(c=2147483647);if(2>c)return 0;c-=2;var e=b;c=c<2*a.length?c/2:a.length;for(var f=0;f<c;++f)H[b>>1]=a.charCodeAt(f),b+=2;H[b>>1]=0;return b-e}function ra(a){return 2*a.length}
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+var Ma=d.___wasm_call_ctors=function(){return(Ma=d.___wasm_call_ctors=d.asm.G).apply(null,arguments)},wb=d._malloc=function(){return(wb=d._malloc=d.asm.H).apply(null,arguments)},W=d._free=function(){return(W=d._free=d.asm.I).apply(null,arguments)},mb=d.___getTypeName=function(){return(mb=d.___getTypeName=d.asm.J).apply(null,arguments)};d.___embind_register_native_and_builtin_types=function(){return(d.___embind_register_native_and_builtin_types=d.asm.K).apply(null,arguments)};
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+d.dynCall_viiiii=function(){return(d.dynCall_viiiii=d.asm.X).apply(null,arguments)};d.dynCall_viiiiiiii=function(){return(d.dynCall_viiiiiiii=d.asm.Y).apply(null,arguments)};d.dynCall_viiiiiiiiiii=function(){return(d.dynCall_viiiiiiiiiii=d.asm.Z).apply(null,arguments)};d.dynCall_viiiiiiiiiiii=function(){return(d.dynCall_viiiiiiiiiiii=d.asm._).apply(null,arguments)};d.dynCall_viii=function(){return(d.dynCall_viii=d.asm.$).apply(null,arguments)};
+d.dynCall_viiiiiii=function(){return(d.dynCall_viiiiiii=d.asm.aa).apply(null,arguments)};d.dynCall_iiiiiii=function(){return(d.dynCall_iiiiiii=d.asm.ba).apply(null,arguments)};d.dynCall_iidiiii=function(){return(d.dynCall_iidiiii=d.asm.ca).apply(null,arguments)};d.dynCall_i=function(){return(d.dynCall_i=d.asm.da).apply(null,arguments)};d.dynCall_viiiiiiiiii=function(){return(d.dynCall_viiiiiiiiii=d.asm.ea).apply(null,arguments)};
+d.dynCall_jiji=function(){return(d.dynCall_jiji=d.asm.fa).apply(null,arguments)};function Bb(a,b,c){var e=Y();try{Gb(a,b,c)}catch(f){Z(e);if(f!==f+0&&"longjmp"!==f)throw f;X(1,0)}}function Cb(a,b,c,e,f){var g=Y();try{Hb(a,b,c,e,f)}catch(h){Z(g);if(h!==h+0&&"longjmp"!==h)throw h;X(1,0)}}function xb(a,b,c){var e=Y();try{return Ib(a,b,c)}catch(f){Z(e);if(f!==f+0&&"longjmp"!==f)throw f;X(1,0)}}function Ab(a,b){var c=Y();try{Fb(a,b)}catch(e){Z(c);if(e!==e+0&&"longjmp"!==e)throw e;X(1,0)}}
+function zb(a){var b=Y();try{Eb(a)}catch(c){Z(b);if(c!==c+0&&"longjmp"!==c)throw c;X(1,0)}}function yb(a,b,c,e,f){var g=Y();try{return Jb(a,b,c,e,f)}catch(h){Z(g);if(h!==h+0&&"longjmp"!==h)throw h;X(1,0)}}var Kb;N=function Lb(){Kb||Mb();Kb||(N=Lb)};
+function Mb(){function a(){if(!Kb&&(Kb=!0,d.calledRun=!0,!ka)){Aa(Ca);Aa(Da);aa(d);if(d.onRuntimeInitialized)d.onRuntimeInitialized();if(d.postRun)for("function"==typeof d.postRun&&(d.postRun=[d.postRun]);d.postRun.length;){var b=d.postRun.shift();Ea.unshift(b)}Aa(Ea)}}if(!(0<L)){if(d.preRun)for("function"==typeof d.preRun&&(d.preRun=[d.preRun]);d.preRun.length;)Fa();Aa(Ba);0<L||(d.setStatus?(d.setStatus("Running..."),setTimeout(function(){setTimeout(function(){d.setStatus("")},1);a()},1)):a())}}
+d.run=Mb;if(d.preInit)for("function"==typeof d.preInit&&(d.preInit=[d.preInit]);0<d.preInit.length;)d.preInit.pop()();noExitRuntime=!0;Mb();
+
+
+  return avif_dec.ready
+}
+);
+})();
+if (typeof exports === 'object' && typeof module === 'object')
+      module.exports = avif_dec;
+    else if (typeof define === 'function' && define['amd'])
+      define([], function() { return avif_dec; });
+    else if (typeof exports === 'object')
+      exports["avif_dec"] = avif_dec;
+    

codecs/avif/enc/README.md

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

codecs/avif/enc/avif_enc.cpp

@@ -0,0 +1,106 @@
+#include <emscripten/bind.h>
+#include <emscripten/val.h>
+#include "avif/avif.h"
+
+using namespace emscripten;
+
+struct AvifOptions {
+  // [0 - 63]
+  // 0 = lossless
+  // 63 = worst quality
+  int minQuantizer;
+  int maxQuantizer;
+  int minQuantizerAlpha;
+  int maxQuantizerAlpha;
+  // [0 - 6]
+  // Creates 2^n tiles in that dimension
+  int tileRowsLog2;
+  int tileColsLog2;
+  // [0 - 10]
+  // 0 = slowest
+  // 10 = fastest
+  int speed;
+  // 0 = 4:0:0
+  // 1 = 4:2:0
+  // 2 = 4:2:2
+  // 3 = 4:4:4
+  int subsample;
+};
+
+thread_local const val Uint8Array = val::global("Uint8Array");
+
+val encode(std::string buffer, int width, int height, AvifOptions options) {
+  avifRWData output = AVIF_DATA_EMPTY;
+  int depth = 8;
+  avifPixelFormat format;
+  switch (options.subsample) {
+    case 0:
+      format = AVIF_PIXEL_FORMAT_YUV400;
+      break;
+    case 1:
+      format = AVIF_PIXEL_FORMAT_YUV420;
+      break;
+    case 2:
+      format = AVIF_PIXEL_FORMAT_YUV422;
+      break;
+    case 3:
+      format = AVIF_PIXEL_FORMAT_YUV444;
+      break;
+  }
+
+  avifImage* image = avifImageCreate(width, height, depth, format);
+
+  if (
+    options.maxQuantizer == AVIF_QUANTIZER_LOSSLESS &&
+    options.minQuantizer == AVIF_QUANTIZER_LOSSLESS &&
+    options.minQuantizerAlpha == AVIF_QUANTIZER_LOSSLESS &&
+    options.maxQuantizerAlpha == AVIF_QUANTIZER_LOSSLESS &&
+    format == AVIF_PIXEL_FORMAT_YUV444
+  ) {
+    image->matrixCoefficients = AVIF_MATRIX_COEFFICIENTS_IDENTITY;
+  } else {
+    image->matrixCoefficients = AVIF_MATRIX_COEFFICIENTS_BT709;
+  }
+
+  uint8_t* rgba = (uint8_t*)buffer.c_str();
+
+  avifRGBImage srcRGB;
+  avifRGBImageSetDefaults(&srcRGB, image);
+  srcRGB.pixels = rgba;
+  srcRGB.rowBytes = width * 4;
+  avifImageRGBToYUV(image, &srcRGB);
+
+  avifEncoder* encoder = avifEncoderCreate();
+  encoder->maxThreads = 1;
+  encoder->minQuantizer = options.minQuantizer;
+  encoder->maxQuantizer = options.maxQuantizer;
+  encoder->minQuantizerAlpha = options.minQuantizerAlpha;
+  encoder->maxQuantizerAlpha = options.maxQuantizerAlpha;
+  encoder->tileRowsLog2 = options.tileRowsLog2;
+  encoder->tileColsLog2 = options.tileColsLog2;
+  encoder->speed = options.speed;
+  avifResult encodeResult = avifEncoderWrite(encoder, image, &output);
+  auto js_result = val::null();
+  if (encodeResult == AVIF_RESULT_OK) {
+    js_result = Uint8Array.new_(typed_memory_view(output.size, output.data));
+  }
+
+  avifImageDestroy(image);
+  avifEncoderDestroy(encoder);
+  avifRWDataFree(&output);
+  return js_result;
+}
+
+EMSCRIPTEN_BINDINGS(my_module) {
+  value_object<AvifOptions>("AvifOptions")
+      .field("minQuantizer", &AvifOptions::minQuantizer)
+      .field("maxQuantizer", &AvifOptions::maxQuantizer)
+      .field("minQuantizerAlpha", &AvifOptions::minQuantizerAlpha)
+      .field("maxQuantizerAlpha", &AvifOptions::maxQuantizerAlpha)
+      .field("tileRowsLog2", &AvifOptions::tileRowsLog2)
+      .field("tileColsLog2", &AvifOptions::tileColsLog2)
+      .field("speed", &AvifOptions::speed)
+      .field("subsample", &AvifOptions::subsample);
+
+  function("encode", &encode);
+}

codecs/avif/enc/avif_enc.d.ts

@@ -0,0 +1,7 @@
+import { EncodeOptions } from '../../../src/codecs/avif/encoder-meta';
+
+interface AVIFModule extends EmscriptenWasm.Module {
+  encode(data: BufferSource, width: number, height: number, options: EncodeOptions): Uint8Array | null;
+}
+
+export default function(opts: EmscriptenWasm.ModuleOpts): AVIFModule;

codecs/avif/enc/avif_enc.js

@@ -0,0 +1,113 @@
+
+var avif_enc = (function() {
+  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
+  if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
+  return (
+function(avif_enc) {
+  avif_enc = avif_enc || {};
+
+
+var f;f||(f=typeof avif_enc !== 'undefined' ? avif_enc : {});var aa,ba;f.ready=new Promise(function(a,b){aa=a;ba=b});var ca={},m;for(m in f)f.hasOwnProperty(m)&&(ca[m]=f[m]);var da=!1,r=!1,ea=!1,fa=!1;da="object"===typeof window;r="function"===typeof importScripts;ea="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;fa=!da&&!ea&&!r;var u="",ha,ia,ja,ka;
+if(ea)u=r?require("path").dirname(u)+"/":__dirname+"/",ha=function(a,b){ja||(ja=require("fs"));ka||(ka=require("path"));a=ka.normalize(a);return ja.readFileSync(a,b?null:"utf8")},ia=function(a){a=ha(a,!0);a.buffer||(a=new Uint8Array(a));assert(a.buffer);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",x),f.inspect=function(){return"[Emscripten Module object]"};else if(fa)"undefined"!=
+typeof read&&(ha=function(a){return read(a)}),ia=function(a){if("function"===typeof readbuffer)return new Uint8Array(readbuffer(a));a=read(a,"binary");assert("object"===typeof a);return a},"undefined"!==typeof print&&("undefined"===typeof console&&(console={}),console.log=print,console.warn=console.error="undefined"!==typeof printErr?printErr:print);else if(da||r)r?u=self.location.href:document.currentScript&&(u=document.currentScript.src),_scriptDir&&(u=_scriptDir),0!==u.indexOf("blob:")?u=u.substr(0,
+u.lastIndexOf("/")+1):u="",ha=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.send(null);return b.responseText},r&&(ia=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)});var la=f.print||console.log.bind(console),z=f.printErr||console.warn.bind(console);for(m in ca)ca.hasOwnProperty(m)&&(f[m]=ca[m]);ca=null;var ma=0,na;f.wasmBinary&&(na=f.wasmBinary);var noExitRuntime;f.noExitRuntime&&(noExitRuntime=f.noExitRuntime);
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codecs/avif/package.json

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+{
+  "name": "avif",
+  "scripts": {
+    "build": "../build-cpp.sh"
+  }
+}

codecs/build-cpp.sh

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codecs/build-rust.sh

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+
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+docker run --rm -v $PWD:/src squoosh-rust "$@"

codecs/cpp.Dockerfile

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+FROM emscripten/emsdk:1.40.0
+RUN apt-get update && apt-get install -qqy autoconf libtool pkg-config
+ENV CFLAGS "-Os -flto"
+ENV CXXFLAGS "${CFLAGS} -std=c++17"
+ENV LDFLAGS "${CFLAGS}"
+# Build and cache standard libraries with these flags
+RUN emcc ${CXXFLAGS} --bind -xc++ /dev/null -o /dev/null
+WORKDIR /src
+CMD ["sh", "-c", "emmake make -j`nproc`"]

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+"checksum hqx 0.1.0 (git+https://github.com/CryZe/wasmboy-rs?tag=v0.1.2)" = "<none>"
+"checksum js-sys 0.3.42 (registry+https://github.com/rust-lang/crates.io-index)" = "52732a3d3ad72c58ad2dc70624f9c17b46ecd0943b9a4f1ee37c4c18c5d983e2"
+"checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
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+"checksum wasm-bindgen 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)" = "f3edbcc9536ab7eababcc6d2374a0b7bfe13a2b6d562c5e07f370456b1a8f33d"
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+"checksum wasm-bindgen-macro 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)" = "eb071268b031a64d92fc6cf691715ca5a40950694d8f683c5bb43db7c730929e"
+"checksum wasm-bindgen-macro-support 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)" = "cf592c807080719d1ff2f245a687cbadb3ed28b2077ed7084b47aba8b691f2c6"
+"checksum wasm-bindgen-shared 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)" = "72b6c0220ded549d63860c78c38f3bcc558d1ca3f4efa74942c536ddbbb55e87"
+"checksum wasm-bindgen-test 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)" = "a2d9693b63a742d481c7f80587e057920e568317b2806988c59cd71618bc26c1"
+"checksum wasm-bindgen-test-macro 0.2.50 (registry+https://github.com/rust-lang/crates.io-index)" = "0789dac148a8840bbcf9efe13905463b733fa96543bfbf263790535c11af7ba5"
+"checksum web-sys 0.3.42 (registry+https://github.com/rust-lang/crates.io-index)" = "8be2398f326b7ba09815d0b403095f34dd708579220d099caae89be0b32137b2"
+"checksum wee_alloc 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "dbb3b5a6b2bb17cb6ad44a2e68a43e8d2722c997da10e928665c72ec6c0a0b8e"
+"checksum winapi 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

codecs/hqx/Dockerfile

@@ -1,12 +1,11 @@
-FROM rust
+# This is intentionally an old version of Rust. Newer versions
+# generate _significantly_ bigger Wasm binaries.
+FROM rust:1.37
 RUN rustup target add wasm32-unknown-unknown
 RUN curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
 
 RUN mkdir /opt/binaryen && \
  curl -L https://github.com/WebAssembly/binaryen/releases/download/1.38.32/binaryen-1.38.32-x86-linux.tar.gz  | tar -xzf - -C /opt/binaryen --strip 1
 
-RUN mkdir /opt/wabt && \
- curl -L https://github.com/WebAssembly/wabt/releases/download/1.0.11/wabt-1.0.11-linux.tar.gz  | tar -xzf - -C /opt/wabt --strip 1
-
-ENV PATH="/opt/binaryen:/opt/wabt:${PATH}"
+ENV PATH="/opt/binaryen:${PATH}"
 WORKDIR /src

codecs/hqx/LICENSE.codec.md

@@ -0,0 +1,201 @@
+                                 Apache License
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+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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codecs/hqx/README.md

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

codecs/hqx/build.sh

@@ -6,11 +6,7 @@ echo "============================================="
 echo "Compiling wasm"
 echo "============================================="
 (
-  wasm-pack build
-  wasm-strip pkg/squooshhqx_bg.wasm
-  echo "Optimising Wasm so it doesn't break Chrome (this takes like 10-15mins. get a cup of tea)"
-  echo "Once https://crbug.com/974804 is fixed, we can remove this step"
-  wasm-opt -Os --no-validation -o pkg/squooshhqx_bg.wasm pkg/squooshhqx_bg.wasm
+  wasm-pack build -- --verbose --locked
   rm pkg/.gitignore
 )
 echo "============================================="

codecs/hqx/package.json

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

codecs/hqx/pkg/package.json

@@ -11,5 +11,5 @@
   ],
   "module": "squooshhqx.js",
   "types": "squooshhqx.d.ts",
-  "sideEffects": "false"
+  "sideEffects": false
 }

codecs/hqx/pkg/squooshhqx.d.ts

@@ -1,4 +1,5 @@
 /* tslint:disable */
+/* eslint-disable */
 /**
 * @param {Uint32Array} input_image
 * @param {number} input_width

codecs/hqx/pkg/squooshhqx.js

@@ -1,46 +1,2 @@
-import * as wasm from './squooshhqx_bg.wasm';
-
-let cachegetUint32Memory = null;
-function getUint32Memory() {
-    if (cachegetUint32Memory === null || cachegetUint32Memory.buffer !== wasm.memory.buffer) {
-        cachegetUint32Memory = new Uint32Array(wasm.memory.buffer);
-    }
-    return cachegetUint32Memory;
-}
-
-let WASM_VECTOR_LEN = 0;
-
-function passArray32ToWasm(arg) {
-    const ptr = wasm.__wbindgen_malloc(arg.length * 4);
-    getUint32Memory().set(arg, ptr / 4);
-    WASM_VECTOR_LEN = arg.length;
-    return ptr;
-}
-
-let cachegetInt32Memory = null;
-function getInt32Memory() {
-    if (cachegetInt32Memory === null || cachegetInt32Memory.buffer !== wasm.memory.buffer) {
-        cachegetInt32Memory = new Int32Array(wasm.memory.buffer);
-    }
-    return cachegetInt32Memory;
-}
-
-function getArrayU32FromWasm(ptr, len) {
-    return getUint32Memory().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) {
-    const retptr = 8;
-    const ret = wasm.resize(retptr, passArray32ToWasm(input_image), WASM_VECTOR_LEN, input_width, input_height, factor);
-    const memi32 = getInt32Memory();
-    const v0 = getArrayU32FromWasm(memi32[retptr / 4 + 0], memi32[retptr / 4 + 1]).slice();
-    wasm.__wbindgen_free(memi32[retptr / 4 + 0], memi32[retptr / 4 + 1] * 4);
-    return v0;
-}
-
+import * as wasm from "./squooshhqx_bg.wasm";
+export * from "./squooshhqx_bg.js";

codecs/hqx/pkg/squooshhqx_bg.d.ts

@@ -1,5 +1,6 @@
 /* tslint:disable */
+/* eslint-disable */
 export const memory: WebAssembly.Memory;
+export function resize(a: number, b: number, c: number, d: number, e: number, f: number): void;
 export function __wbindgen_malloc(a: number): number;
 export function __wbindgen_free(a: number, b: number): void;
-export function resize(a: number, b: number, c: number, d: number, e: number, f: number): void;

codecs/hqx/pkg/squooshhqx_bg.js

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

codecs/imagequant/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
+
+  The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+the GNU General Public License is intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.  We, the Free Software Foundation, use the
+GNU General Public License for most of our software; it applies also to
+any other work released this way by its authors.  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+  To protect your rights, we need to prevent others from denying you
+these rights or asking you to surrender the rights.  Therefore, you have
+certain responsibilities if you distribute copies of the software, or if
+you modify it: responsibilities to respect the freedom of others.
+
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+© 1989, 1991 by Jef Poskanzer.
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+implied warranty.

codecs/imagequant/Makefile

@@ -0,0 +1,40 @@
+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
+OUT_WASM := $(OUT_JS:.js=.wasm)
+
+.PHONY: all clean
+
+all: $(OUT_JS)
+
+%.js: %.cpp $(CODEC_OUT)
+	$(CXX) \
+		-I $(CODEC_DIR) \
+		${CXXFLAGS} \
+		${LDFLAGS} \
+		--bind \
+		--closure 1 \
+		-s ALLOW_MEMORY_GROWTH=1 \
+		-s MODULARIZE=1 \
+		-s 'EXPORT_NAME="$(basename $(@F))"' \
+		-o $@ \
+		$+
+
+$(CODEC_OUT): $(CODEC_DIR)/config.mk
+	$(MAKE) -C $(CODEC_DIR) $(CODEC_OUT_RELATIVE)
+
+$(CODEC_DIR)/config.mk: $(CODEC_DIR)/configure
+	cd $(CODEC_DIR) && ./configure \
+		--disable-sse
+
+$(CODEC_DIR)/configure: $(CODEC_DIR)
+
+$(CODEC_DIR):
+	mkdir -p $@
+	curl -sL $(CODEC_URL) | tar xz --strip 1 -C $@
+
+clean:
+	$(RM) $(OUT_JS) $(OUT_WASM)
+	$(MAKE) -C $(CODEC_DIR) clean

codecs/imagequant/README.md

@@ -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()`.

codecs/imagequant/build.sh

@@ -1,43 +0,0 @@
-#!/bin/bash
-
-set -e
-
-export OPTIMIZE="-Os"
-export LDFLAGS="${OPTIMIZE}"
-export CFLAGS="${OPTIMIZE}"
-export CPPFLAGS="${OPTIMIZE}"
-
-echo "============================================="
-echo "Compiling libimagequant"
-echo "============================================="
-(
-  cd node_modules/libimagequant
-  emconfigure ./configure --disable-sse
-  emmake make static -j`nproc`
-)
-echo "============================================="
-echo "Compiling wasm module"
-echo "============================================="
-(
-  emcc \
-    --bind \
-    ${OPTIMIZE} \
-    --closure 1 \
-    -s ALLOW_MEMORY_GROWTH=1 \
-    -s MODULARIZE=1 \
-    -s 'EXPORT_NAME="imagequant"' \
-    -I node_modules/libimagequant \
-    -o ./imagequant.js \
-    --std=c++11 \
-    -x c++ \
-    imagequant.cpp \
-    node_modules/libimagequant/libimagequant.a
-)
-echo "============================================="
-echo "Compiling wasm module done"
-echo "============================================="
-
-echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
-echo "Did you update your docker image?"
-echo "Run \`docker pull trzeci/emscripten-upstream\`"
-echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

codecs/imagequant/example.html

@@ -28,7 +28,6 @@
     // 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();
 
     const imageData = new ImageData(new Uint8ClampedArray(rawImage.buffer), rawImage.width, rawImage.height);
     const canvas = document.createElement('canvas');

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[] = {
-  {.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
+    {.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);
 }

codecs/imagequant/imagequant.d.ts

@@ -1,15 +1,6 @@
-interface RawImage {
-  buffer: Uint8Array;
-  width: number;
-  height: number;
-}
-
 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;
+  quantize(data: BufferSource, width: number, height: number, numColors: number, dither: number): Uint8ClampedArray;
+  zx_quantize(data: BufferSource, width: number, height: number, dither: number): Uint8ClampedArray;
 }
 
 export default function(opts: EmscriptenWasm.ModuleOpts): QuantizerModule;
-
-

codecs/imagequant/imagequant.js

@@ -6,69 +6,56 @@ var imagequant = (function() {
 function(imagequant) {
   imagequant = imagequant || {};
 
-var e;e||(e=typeof imagequant !== 'undefined' ? imagequant : {});var r={},t;for(t in e)e.hasOwnProperty(t)&&(r[t]=e[t]);var aa=!1,z=!1,ba=!1,ca=!1;aa="object"===typeof window;z="function"===typeof importScripts;ba="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;ca=!aa&&!ba&&!z;var A="",da,B,ea,ha;
-if(ba)A=z?require("path").dirname(A)+"/":__dirname+"/",da=function(a,b){ea||(ea=require("fs"));ha||(ha=require("path"));a=ha.normalize(a);return ea.readFileSync(a,b?null:"utf8")},B=function(a){a=da(a,!0);a.buffer||(a=new Uint8Array(a));a.buffer||C("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",C),e.inspect=function(){return"[Emscripten Module object]"};
-else if(ca)"undefined"!=typeof read&&(da=function(a){return read(a)}),B=function(a){if("function"===typeof readbuffer)return new Uint8Array(readbuffer(a));a=read(a,"binary");"object"===typeof a||C("Assertion failed: undefined");return a},"undefined"!==typeof print&&("undefined"===typeof console&&(console={}),console.log=print,console.warn=console.error="undefined"!==typeof printErr?printErr:print);else if(aa||z)z?A=self.location.href:document.currentScript&&(A=document.currentScript.src),_scriptDir&&
-(A=_scriptDir),0!==A.indexOf("blob:")?A=A.substr(0,A.lastIndexOf("/")+1):A="",da=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.send(null);return b.responseText},z&&(B=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)});var ia=e.print||console.log.bind(console),E=e.printErr||console.warn.bind(console);for(t in r)r.hasOwnProperty(t)&&(e[t]=r[t]);r=null;var F;e.wasmBinary&&(F=e.wasmBinary);var noExitRuntime;
-e.noExitRuntime&&(noExitRuntime=e.noExitRuntime);"object"!==typeof WebAssembly&&E("no native wasm support detected");var G,ja=new WebAssembly.Table({initial:49,maximum:49,element:"anyfunc"}),ka=!1,la="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
-function ma(a,b,c){var d=b+c;for(c=b;a[c]&&!(c>=d);)++c;if(16<c-b&&a.subarray&&la)return la.decode(a.subarray(b,c));for(d="";b<c;){var f=a[b++];if(f&128){var g=a[b++]&63;if(192==(f&224))d+=String.fromCharCode((f&31)<<6|g);else{var n=a[b++]&63;f=224==(f&240)?(f&15)<<12|g<<6|n:(f&7)<<18|g<<12|n<<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}
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+function lb(){return"object"===typeof globalThis?globalThis:Function("return this")()}function mb(a,b){var c=U[a];void 0===c&&W(b+" has unknown type "+gb(a));return c}for(var nb={},ob=[null,[],[]],pb=Array(256),qb=0;256>qb;++qb)pb[qb]=String.fromCharCode(qb);La=pb;Pa=d.BindingError=Oa("BindingError");Qa=d.InternalError=Oa("InternalError");d.count_emval_handles=function(){for(var a=0,b=5;b<Y.length;++b)void 0!==Y[b]&&++a;return a};
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+var sb={n:function(a){return rb(a)},w:function(){},m:function(a){"uncaught_exception"in R?R.W++:R.W=1;throw a;},u:function(a,b,c,e,f){var g=Ka(c);b=S(b);X(a,{name:b,fromWireType:function(l){return!!l},toWireType:function(l,k){return k?e:f},argPackAdvance:8,readValueFromPointer:function(l){if(1===c)var k=ta;else if(2===c)k=H;else if(4===c)k=I;else throw new TypeError("Unknown boolean type size: "+b);return this.fromWireType(k[l>>g])},T:null})},t:function(a,b){b=S(b);X(a,{name:b,fromWireType:function(c){var e=
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+(q-2)+" args!');\n}\n";C&&(n+="var destructors = [];\n");var Wa=C?"destructors":"null";K="throwBindingError invoker fn runDestructors retType classParam".split(" ");p=[W,p,g,ab,h[0],h[1]];y&&(n+="var thisWired = classParam.toWireType("+Wa+", this);\n");for(m=0;m<q-2;++m)n+="var arg"+m+"Wired = argType"+m+".toWireType("+Wa+", arg"+m+"); // "+h[m+2].name+"\n",K.push("argType"+m),p.push(h[m+2]);y&&(P="thisWired"+(0<P.length?", ":"")+P);n+=(Va?"var rv = ":"")+"invoker(fn"+(0<P.length?", ":"")+P+");\n";
+if(C)n+="runDestructors(destructors);\n";else for(m=y?1:2;m<h.length;++m)q=1===m?"thisWired":"arg"+(m-2)+"Wired",null!==h[m].T&&(n+=q+"_dtor("+q+"); // "+h[m].name+"\n",K.push(q+"_dtor"),p.push(h[m].T));Va&&(n+="var ret = retType.fromWireType(rv);\nreturn ret;\n");K.push(n+"}\n");h=$a(K).apply(null,p);m=b-1;if(!d.hasOwnProperty(k))throw new Qa("Replacing nonexistant public symbol");void 0!==d[k].S&&void 0!==m?d[k].S[m]=h:(d[k]=h,d[k].X=m);return[]})},b:function(a,b,c,e,f){function g(n){return n}b=
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+l,0!==e),T:null})},a:function(a,b,c){function e(g){g>>=2;var l=L;return new f(J,l[g+1],l[g])}var f=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array][b];c=S(c);X(a,{name:c,fromWireType:e,argPackAdvance:8,readValueFromPointer:e},{Z:!0})},i:function(a,b){b=S(b);var c="std::string"===b;X(a,{name:b,fromWireType:function(e){var f=L[e>>2];if(c)for(var g=e+4,l=0;l<=f;++l){var k=e+4+l;if(0==F[k]||l==f){g=g?ka(F,g,k-g):"";if(void 0===h)var h=g;else h+=String.fromCharCode(0),
+h+=g;g=k+1}}else{h=Array(f);for(l=0;l<f;++l)h[l]=String.fromCharCode(F[e+4+l]);h=h.join("")}Z(e);return h},toWireType:function(e,f){f instanceof ArrayBuffer&&(f=new Uint8Array(f));var g="string"===typeof f;g||f instanceof Uint8Array||f instanceof Uint8ClampedArray||f instanceof Int8Array||W("Cannot pass non-string to std::string");var l=(c&&g?function(){for(var n=0,p=0;p<f.length;++p){var q=f.charCodeAt(p);55296<=q&&57343>=q&&(q=65536+((q&1023)<<10)|f.charCodeAt(++p)&1023);127>=q?++n:n=2047>=q?n+
+2:65535>=q?n+3:n+4}return n}:function(){return f.length})(),k=rb(4+l+1);L[k>>2]=l;if(c&&g)la(f,k+4,l+1);else if(g)for(g=0;g<l;++g){var h=f.charCodeAt(g);255<h&&(Z(k),W("String has UTF-16 code units that do not fit in 8 bits"));F[k+4+g]=h}else for(g=0;g<l;++g)F[k+4+g]=f[g];null!==e&&e.push(Z,k);return k},argPackAdvance:8,readValueFromPointer:Xa,T:function(e){Z(e)}})},e:function(a,b,c){c=S(c);if(2===b){var e=na;var f=oa;var g=pa;var l=function(){return G};var k=1}else 4===b&&(e=qa,f=ra,g=sa,l=function(){return L},
+k=2);X(a,{name:c,fromWireType:function(h){for(var n=L[h>>2],p=l(),q,y=h+4,C=0;C<=n;++C){var m=h+4+C*b;if(0==p[m>>k]||C==n)y=e(y,m-y),void 0===q?q=y:(q+=String.fromCharCode(0),q+=y),y=m+b}Z(h);return q},toWireType:function(h,n){"string"!==typeof n&&W("Cannot pass non-string to C++ string type "+c);var p=g(n),q=rb(4+p+b);L[q>>2]=p>>k;f(n,q+4,p+b);null!==h&&h.push(Z,q);return q},argPackAdvance:8,readValueFromPointer:Xa,T:function(h){Z(h)}})},j:function(a,b){b=S(b);X(a,{$:!0,name:b,argPackAdvance:0,fromWireType:function(){},
+toWireType:function(){}})},r:Ta,v:function(a){if(0===a)return Ua(lb());var b=kb[a];a=void 0===b?S(a):b;return Ua(lb()[a])},k:function(a){4<a&&(Y[a].V+=1)},l:function(a,b,c,e){a||W("Cannot use deleted val. handle = "+a);a=Y[a].value;var f=nb[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")))(mb,d,Ua);nb[b]=f}return f(a,c,e)},f:function(){A()},q:function(a,b,c){F.copyWithin(a,b,b+c)},c:function(a){a>>>=0;var b=F.length;if(2147483648<a)return!1;for(var c=1;4>=c;c*=2){var e=b*(1+.2/c);e=Math.min(e,a+100663296);e=Math.max(16777216,a,e);0<e%
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+(function(){function a(f){d.asm=f.exports;N--;d.monitorRunDependencies&&d.monitorRunDependencies(N);0==N&&(null!==Da&&(clearInterval(Da),Da=null),O&&(f=O,O=null,f()))}function b(f){a(f.instance)}function c(f){return Ia().then(function(g){return WebAssembly.instantiate(g,e)}).then(f,function(g){B("failed to asynchronously prepare wasm: "+g);A(g)})}var e={a:sb};N++;d.monitorRunDependencies&&d.monitorRunDependencies(N);if(d.instantiateWasm)try{return d.instantiateWasm(e,a)}catch(f){return B("Module.instantiateWasm callback failed with error: "+
+f),!1}(function(){if(D||"function"!==typeof WebAssembly.instantiateStreaming||Fa()||Ea("file://")||"function"!==typeof fetch)return c(b);fetch(Q,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,e).then(b,function(g){B("wasm streaming compile failed: "+g);B("falling back to ArrayBuffer instantiation");return c(b)})})})();return{}})();
+var Ja=d.___wasm_call_ctors=function(){return(Ja=d.___wasm_call_ctors=d.asm.x).apply(null,arguments)},rb=d._malloc=function(){return(rb=d._malloc=d.asm.y).apply(null,arguments)},Z=d._free=function(){return(Z=d._free=d.asm.z).apply(null,arguments)},hb=d.___getTypeName=function(){return(hb=d.___getTypeName=d.asm.A).apply(null,arguments)};d.___embind_register_native_and_builtin_types=function(){return(d.___embind_register_native_and_builtin_types=d.asm.B).apply(null,arguments)};
+d.dynCall_iiiiiif=function(){return(d.dynCall_iiiiiif=d.asm.C).apply(null,arguments)};d.dynCall_viiiiif=function(){return(d.dynCall_viiiiif=d.asm.D).apply(null,arguments)};d.dynCall_iiiiif=function(){return(d.dynCall_iiiiif=d.asm.E).apply(null,arguments)};d.dynCall_viiiif=function(){return(d.dynCall_viiiif=d.asm.F).apply(null,arguments)};d.dynCall_ii=function(){return(d.dynCall_ii=d.asm.G).apply(null,arguments)};d.dynCall_i=function(){return(d.dynCall_i=d.asm.H).apply(null,arguments)};
+d.dynCall_vi=function(){return(d.dynCall_vi=d.asm.I).apply(null,arguments)};d.dynCall_iii=function(){return(d.dynCall_iii=d.asm.J).apply(null,arguments)};d.dynCall_vif=function(){return(d.dynCall_vif=d.asm.K).apply(null,arguments)};d.dynCall_iidiiii=function(){return(d.dynCall_iidiiii=d.asm.L).apply(null,arguments)};d.dynCall_vii=function(){return(d.dynCall_vii=d.asm.M).apply(null,arguments)};d.dynCall_iiii=function(){return(d.dynCall_iiii=d.asm.N).apply(null,arguments)};
+d.dynCall_jiji=function(){return(d.dynCall_jiji=d.asm.O).apply(null,arguments)};d.dynCall_viiiiii=function(){return(d.dynCall_viiiiii=d.asm.P).apply(null,arguments)};d.dynCall_viiiii=function(){return(d.dynCall_viiiii=d.asm.Q).apply(null,arguments)};d.dynCall_viiii=function(){return(d.dynCall_viiii=d.asm.R).apply(null,arguments)};var tb;O=function ub(){tb||vb();tb||(O=ub)};
+function vb(){function a(){if(!tb&&(tb=!0,d.calledRun=!0,!ia)){M(za);M(Aa);aa(d);if(d.onRuntimeInitialized)d.onRuntimeInitialized();if(d.postRun)for("function"==typeof d.postRun&&(d.postRun=[d.postRun]);d.postRun.length;){var b=d.postRun.shift();Ba.unshift(b)}M(Ba)}}if(!(0<N)){if(d.preRun)for("function"==typeof d.preRun&&(d.preRun=[d.preRun]);d.preRun.length;)Ca();M(ya);0<N||(d.setStatus?(d.setStatus("Running..."),setTimeout(function(){setTimeout(function(){d.setStatus("")},1);a()},1)):a())}}
+d.run=vb;if(d.preInit)for("function"==typeof d.preInit&&(d.preInit=[d.preInit]);0<d.preInit.length;)d.preInit.pop()();noExitRuntime=!0;vb();
 
 
-  return imagequant
+  return imagequant.ready
 }
 );
 })();

codecs/imagequant/package.json

@@ -1,13 +1,6 @@
 {
   "name": "imagequant",
   "scripts": {
-    "install": "napa",
-    "build": "docker run --rm -v $(pwd):/src trzeci/emscripten-upstream ./build.sh"
-  },
-  "napa": {
-    "libimagequant": "ImageOptim/libimagequant#2.12.1"
-  },
-  "devDependencies": {
-    "napa": "3.0.0"
+    "build": "../build-cpp.sh"
   }
 }

codecs/mozjpeg_enc/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.

codecs/mozjpeg_enc/Makefile

@@ -0,0 +1,52 @@
+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))
+OUT_JS := mozjpeg_enc.js
+OUT_WASM := $(OUT_JS:.js=.wasm)
+
+.PHONY: all clean
+
+all: $(OUT_JS)
+
+%.js: %.cpp $(CODEC_OUT)
+	$(CXX) \
+		-I $(CODEC_DIR) \
+		${CXXFLAGS} \
+		${LDFLAGS} \
+		--bind \
+		--closure 1 \
+		-s ALLOW_MEMORY_GROWTH=1 \
+		-s MODULARIZE=1 \
+		-s 'EXPORT_NAME="$(basename $(@F))"' \
+		-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 $(CODEC_DIR) && ./configure \
+		--disable-shared \
+		--without-turbojpeg \
+		--without-simd \
+		--without-arith-enc \
+		--without-arith-dec
+
+$(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

codecs/mozjpeg_enc/README.md

@@ -2,6 +2,7 @@
 
 - Source: <https://github.com/mozilla/mozjpeg>
 - Version: v3.3.1
+- License: BSD
 
 ## Dependencies
 
@@ -17,10 +18,6 @@ See `example.html`
 
 Returns the version of MozJPEG as a number. va.b.c is encoded as 0x0a0b0c
 
-### `void free_result()`
-
-Frees the result created by `encode()`.
-
 ### `Uint8Array encode(std::string image_in, int image_width, int image_height, MozJpegOptions opts)`
 
 Encodes the given image with given dimension to JPEG. Options looks like this:

codecs/mozjpeg_enc/build.sh

@@ -1,54 +0,0 @@
-#!/bin/bash
-
-set -e
-
-export OPTIMIZE="-Os"
-export LDFLAGS="${OPTIMIZE}"
-export CFLAGS="${OPTIMIZE}"
-export CPPFLAGS="${OPTIMIZE}"
-
-apt-get update
-apt-get install -qqy autoconf libtool libpng-dev pkg-config
-
-echo "============================================="
-echo "Compiling mozjpeg"
-echo "============================================="
-(
-  cd node_modules/mozjpeg
-  autoreconf -fiv
-  emconfigure ./configure --without-simd
-  emmake make libjpeg.la -j`nproc`
-)
-echo "============================================="
-echo "Compiling mozjpeg done"
-echo "============================================="
-
-echo "============================================="
-echo "Compiling wasm bindings"
-echo "============================================="
-(
-  emcc \
-    --bind \
-    ${OPTIMIZE} \
-    --closure 1 \
-    -s WASM=1 \
-    -s ALLOW_MEMORY_GROWTH=1 \
-    -s MODULARIZE=1 \
-    -s 'EXPORT_NAME="mozjpeg_enc"' \
-    -I node_modules/mozjpeg \
-    -o ./mozjpeg_enc.js \
-    -Wno-deprecated-register \
-    -Wno-writable-strings \
-    node_modules/mozjpeg/rdswitch.c \
-    -x c++ -std=c++11 \
-    mozjpeg_enc.cpp \
-    node_modules/mozjpeg/.libs/libjpeg.a
-)
-echo "============================================="
-echo "Compiling wasm bindings done"
-echo "============================================="
-
-echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
-echo "Did you update your docker image?"
-echo "Run \`docker pull trzeci/emscripten-upstream\`"
-echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

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);
@@ -143,17 +142,17 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
   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);
 
-  // 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 +180,54 @@ 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);
 }

codecs/mozjpeg_enc/mozjpeg_enc.d.ts

@@ -2,7 +2,6 @@ import { EncodeOptions } from '../../src/codecs/mozjpeg/encoder-meta';
 
 interface MozJPEGModule extends EmscriptenWasm.Module {
   encode(data: BufferSource, width: number, height: number, options: EncodeOptions): Uint8Array;
-  free_result(): void;
 }
 
 export default function(opts: EmscriptenWasm.ModuleOpts): MozJPEGModule;

codecs/mozjpeg_enc/mozjpeg_enc.js

@@ -6,58 +6,60 @@ var mozjpeg_enc = (function() {
 function(mozjpeg_enc) {
   mozjpeg_enc = mozjpeg_enc || {};
 
-var c;c||(c=typeof mozjpeg_enc !== 'undefined' ? mozjpeg_enc : {});var r={},t;for(t in c)c.hasOwnProperty(t)&&(r[t]=c[t]);var aa="./this.program";function u(a,b){throw b;}var ba=!1,v=!1,ca=!1,da=!1;ba="object"===typeof window;v="function"===typeof importScripts;ca="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;da=!ba&&!ca&&!v;var w="",ea,x,fa,ha;
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-c.inspect=function(){return"[Emscripten Module object]"};else if(da)"undefined"!=typeof read&&(ea=function(a){return read(a)}),x=function(a){if("function"===typeof readbuffer)return new Uint8Array(readbuffer(a));a=read(a,"binary");"object"===typeof a||A("Assertion failed: undefined");return a},"function"===typeof quit&&(u=function(a){quit(a)}),"undefined"!==typeof print&&("undefined"===typeof console&&(console={}),console.log=print,console.warn=console.error="undefined"!==typeof printErr?printErr:
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-  return mozjpeg_enc
+  return mozjpeg_enc.ready
 }
 );
 })();

codecs/mozjpeg_enc/package.json

@@ -1,13 +1,6 @@
 {
   "name": "mozjpeg_enc",
   "scripts": {
-    "install": "napa",
-    "build": "docker run --rm -v $(pwd):/src trzeci/emscripten-upstream ./build.sh"
-  },
-  "napa": {
-    "mozjpeg": "mozilla/mozjpeg#v3.3.1"
-  },
-  "devDependencies": {
-    "napa": "3.0.0"
+    "build": "../build-cpp.sh"
   }
 }

codecs/oxipng/Cargo.lock

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codecs/oxipng/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "oxipng"
+name = "squoosh-oxipng"
 version = "0.1.0"
 authors = ["Ingvar Stepanyan <me@rreverser.com>"]
 edition = "2018"
@@ -9,13 +9,10 @@ publish = false
 crate-type = ["cdylib"]
 
 [dependencies]
-oxipng = { version = "2.3.0", default-features = false }
-wasm-bindgen = "0.2.48"
+oxipng = { version = "3.0.0", default-features = false }
+wasm-bindgen = "0.2.64"
 log = { version = "0.4", features = ["release_max_level_off"] }
 
 [profile.release]
 lto = true
 opt-level = "s"
-
-[patch.crates-io]
-oxipng = { git = "https://github.com/shssoichiro/oxipng.git", branch = "master" }

codecs/oxipng/Dockerfile

@@ -3,10 +3,10 @@ RUN rustup target add wasm32-unknown-unknown
 RUN curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
 
 RUN mkdir /opt/wabt && \
- curl -L https://github.com/WebAssembly/wabt/releases/download/1.0.11/wabt-1.0.11-linux.tar.gz  | tar -xzf - -C /opt/wabt --strip 1
+  curl -L https://github.com/WebAssembly/wabt/releases/download/1.0.17/wabt-1.0.17-ubuntu.tar.gz  | tar -xzf - -C /opt/wabt --strip 1
 
 RUN mkdir /opt/wasi-sdk && \
-  curl -L https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-8/wasi-sdk-8.0-linux.tar.gz | tar -xzf - -C /opt/wasi-sdk --strip 1
+  curl -L https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-11/wasi-sdk-11.0-linux.tar.gz | tar -xzf - -C /opt/wasi-sdk --strip 1
 
-ENV PATH="/opt/wabt:/opt/wasi-sdk/bin:${PATH}"
+ENV PATH="/opt/wabt/bin:/opt/wasi-sdk/bin:${PATH}"
 WORKDIR /src

codecs/oxipng/LICENSE.codec.md

@@ -0,0 +1,20 @@
+The MIT License (MIT)
+Copyright (c) 2016 Joshua Holmer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

codecs/oxipng/README.md

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

codecs/oxipng/build.sh

@@ -1,22 +0,0 @@
-#!/bin/bash
-
-set -e
-
-echo "============================================="
-echo "Compiling wasm"
-echo "============================================="
-(
-  wasm-pack build
-  wasm-strip pkg/oxipng_bg.wasm
-  rm pkg/.gitignore
-)
-echo "============================================="
-echo "Compiling wasm  done"
-echo "============================================="
-
-echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
-echo "Did you update your docker image?"
-echo "Run \`docker pull ubuntu\`"
-echo "Run \`docker pull rust\`"
-echo "Run \`docker build -t squoosh-oxipng .\`"
-echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

codecs/oxipng/package.json

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

codecs/oxipng/pkg/package.json

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

codecs/oxipng/pkg/squoosh_oxipng.js

@@ -0,0 +1,2 @@
+import * as wasm from "./squoosh_oxipng_bg.wasm";
+export * from "./squoosh_oxipng_bg.js";

codecs/oxipng/pkg/squoosh_oxipng_bg.js

@@ -1,6 +1,6 @@
-import * as wasm from './oxipng_bg.wasm';
+import * as wasm from './squoosh_oxipng_bg.wasm';
 
-const lTextDecoder = typeof TextDecoder === 'undefined' ? require('util').TextDecoder : TextDecoder;
+const lTextDecoder = typeof TextDecoder === 'undefined' ? (0, module.require)('util').TextDecoder : TextDecoder;
 
 let cachedTextDecoder = new lTextDecoder('utf-8', { ignoreBOM: true, fatal: true });
 

codecs/oxipng/src/lib.rs

@@ -1,10 +1,18 @@
 mod malloc_shim;
 
 use wasm_bindgen::prelude::*;
+use oxipng::AlphaOptim;
 
 #[wasm_bindgen(catch)]
 pub fn optimise(data: &[u8], level: u8) -> Vec<u8> {
   let mut options = oxipng::Options::from_preset(level);
+  options.alphas.insert(AlphaOptim::Black);
+  options.alphas.insert(AlphaOptim::White);
+  options.alphas.insert(AlphaOptim::Up);
+  options.alphas.insert(AlphaOptim::Down);
+  options.alphas.insert(AlphaOptim::Left);
+  options.alphas.insert(AlphaOptim::Right);
+
   options.deflate = oxipng::Deflaters::Libdeflater;
   oxipng::optimize_from_memory(data, &options).unwrap_throw()
 }

codecs/resize/.gitignore

@@ -1,6 +1,5 @@
 **/*.rs.bk
 target
-Cargo.lock
 bin/
 pkg/README.md
 lut.inc

codecs/resize/Cargo.lock

@@ -0,0 +1,284 @@
+# 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"
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+checksum = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
+
+[[package]]
+name = "console_error_panic_hook"
+version = "0.1.6"
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+checksum = "b8d976903543e0c48546a91908f21588a680a8c8f984df9a5d69feccb2b2a211"
+dependencies = [
+ "cfg-if",
+ "wasm-bindgen",
+]
+
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+checksum = "1b980f2816d6ee8673b6517b52cb0e808a180efc92e5c19d02cdda79066703ef"
+
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+ "wasm-bindgen",
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+
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+ "unicode-xid 0.1.0",
+]
+
+[[package]]
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+ "unicode-xid 0.2.1",
+]
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+[[package]]
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+ "proc-macro2 0.4.30",
+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
+dependencies = [
+ "proc-macro2 1.0.18",
+]
+
+[[package]]
+name = "resize"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9e653e390eafbfebb2b3c5fcfbc90d801bc410d0de1f44f266ffbf2151d28aa"
+
+[[package]]
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+checksum = "ea6a9290e3c9cf0f18145ef7ffa62d68ee0bf5fcd651017e586dc7fd5da448c2"
+
+[[package]]
+name = "squoosh-resize"
+version = "0.1.0"
+dependencies = [
+ "cfg-if",
+ "console_error_panic_hook",
+ "resize",
+ "wasm-bindgen",
+ "wasm-bindgen-test",
+ "wee_alloc",
+]
+
+[[package]]
+name = "syn"
+version = "1.0.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "936cae2873c940d92e697597c5eee105fb570cd5689c695806f672883653349b"
+dependencies = [
+ "proc-macro2 1.0.18",
+ "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"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6a634620115e4a229108b71bde263bb4220c483b3f07f5ba514ee8d15064c4c2"
+dependencies = [
+ "cfg-if",
+ "wasm-bindgen-macro",
+]
+
+[[package]]
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+dependencies = [
+ "bumpalo",
+ "lazy_static",
+ "log",
+ "proc-macro2 1.0.18",
+ "quote 1.0.7",
+ "syn",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
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+dependencies = [
+ "cfg-if",
+ "futures",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
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+version = "0.2.64"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3fcfd5ef6eec85623b4c6e844293d4516470d8f19cd72d0d12246017eb9060b8"
+dependencies = [
+ "quote 1.0.7",
+ "wasm-bindgen-macro-support",
+]
+
+[[package]]
+name = "wasm-bindgen-macro-support"
+version = "0.2.64"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+ "proc-macro2 1.0.18",
+ "quote 1.0.7",
+ "syn",
+ "wasm-bindgen-backend",
+ "wasm-bindgen-shared",
+]
+
+[[package]]
+name = "wasm-bindgen-shared"
+version = "0.2.64"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f7b90ea6c632dd06fd765d44542e234d5e63d9bb917ecd64d79778a13bd79ae"
+
+[[package]]
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+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"
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+ "proc-macro2 0.4.30",
+ "quote 0.6.13",
+]
+
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+version = "0.3.41"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "js-sys",
+ "wasm-bindgen",
+]
+
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+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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+dependencies = [
+ "cfg-if",
+ "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"

codecs/resize/Cargo.toml

@@ -1,7 +1,8 @@
 [package]
-name = "resize"
+name = "squoosh-resize"
 version = "0.1.0"
 authors = ["Surma <surma@surma.link>"]
+publish = false
 
 [lib]
 #crate-type = ["cdylib", "rlib"]

codecs/resize/Dockerfile

@@ -1,9 +0,0 @@
-FROM rust
-RUN rustup target add wasm32-unknown-unknown
-RUN curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
-
-RUN mkdir /opt/wabt && \
- curl -L https://github.com/WebAssembly/wabt/releases/download/1.0.11/wabt-1.0.11-linux.tar.gz  | tar -xzf - -C /opt/wabt --strip 1
-
-ENV PATH="/opt/wabt:${PATH}"
-WORKDIR /src

codecs/resize/LICENSE.codec.md

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2015 PistonDevelopers
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

codecs/resize/README.md

@@ -0,0 +1,5 @@
+# Resize
+
+- Source: <https://github.com/PistonDevelopers/resize>
+- Version: v0.3.0
+- License: MIT

codecs/resize/build.sh

@@ -1,22 +0,0 @@
-#!/bin/bash
-
-set -e
-
-echo "============================================="
-echo "Compiling wasm"
-echo "============================================="
-(
-  wasm-pack build
-  wasm-strip pkg/resize_bg.wasm
-  rm pkg/.gitignore
-)
-echo "============================================="
-echo "Compiling wasm  done"
-echo "============================================="
-
-echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
-echo "Did you update your docker image?"
-echo "Run \`docker pull ubuntu\`"
-echo "Run \`docker pull rust\`"
-echo "Run \`docker build -t squoosh-resize .\`"
-echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

codecs/resize/package.json

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

codecs/resize/pkg/package.json

@@ -1,15 +1,15 @@
 {
-  "name": "resize",
+  "name": "squoosh-resize",
   "collaborators": [
     "Surma <surma@surma.link>"
   ],
   "version": "0.1.0",
   "files": [
-    "resize_bg.wasm",
-    "resize.js",
-    "resize.d.ts"
+    "squoosh_resize_bg.wasm",
+    "squoosh_resize.js",
+    "squoosh_resize.d.ts"
   ],
-  "module": "resize.js",
-  "types": "resize.d.ts",
-  "sideEffects": "false"
+  "module": "squoosh_resize.js",
+  "types": "squoosh_resize.d.ts",
+  "sideEffects": false
 }

codecs/resize/pkg/resize.d.ts

@@ -1,13 +0,0 @@
-/* tslint:disable */
-/**
-* @param {Uint8Array} input_image 
-* @param {number} input_width 
-* @param {number} input_height 
-* @param {number} output_width 
-* @param {number} output_height 
-* @param {number} typ_idx 
-* @param {boolean} premultiply 
-* @param {boolean} color_space_conversion 
-* @returns {Uint8Array} 
-*/
-export function resize(input_image: Uint8Array, input_width: number, input_height: number, output_width: number, output_height: number, typ_idx: number, premultiply: boolean, color_space_conversion: boolean): Uint8Array;

codecs/resize/pkg/resize.js

@@ -1,50 +0,0 @@
-import * as wasm from './resize_bg.wasm';
-
-let cachegetUint8Memory = null;
-function getUint8Memory() {
-    if (cachegetUint8Memory === null || cachegetUint8Memory.buffer !== wasm.memory.buffer) {
-        cachegetUint8Memory = new Uint8Array(wasm.memory.buffer);
-    }
-    return cachegetUint8Memory;
-}
-
-let WASM_VECTOR_LEN = 0;
-
-function passArray8ToWasm(arg) {
-    const ptr = wasm.__wbindgen_malloc(arg.length * 1);
-    getUint8Memory().set(arg, ptr / 1);
-    WASM_VECTOR_LEN = arg.length;
-    return ptr;
-}
-
-let cachegetInt32Memory = null;
-function getInt32Memory() {
-    if (cachegetInt32Memory === null || cachegetInt32Memory.buffer !== wasm.memory.buffer) {
-        cachegetInt32Memory = new Int32Array(wasm.memory.buffer);
-    }
-    return cachegetInt32Memory;
-}
-
-function getArrayU8FromWasm(ptr, len) {
-    return getUint8Memory().subarray(ptr / 1, ptr / 1 + len);
-}
-/**
-* @param {Uint8Array} input_image
-* @param {number} input_width
-* @param {number} input_height
-* @param {number} output_width
-* @param {number} output_height
-* @param {number} typ_idx
-* @param {boolean} premultiply
-* @param {boolean} color_space_conversion
-* @returns {Uint8Array}
-*/
-export function resize(input_image, input_width, input_height, output_width, output_height, typ_idx, premultiply, color_space_conversion) {
-    const retptr = 8;
-    const ret = wasm.resize(retptr, passArray8ToWasm(input_image), WASM_VECTOR_LEN, input_width, input_height, output_width, output_height, typ_idx, premultiply, color_space_conversion);
-    const memi32 = getInt32Memory();
-    const v0 = getArrayU8FromWasm(memi32[retptr / 4 + 0], memi32[retptr / 4 + 1]).slice();
-    wasm.__wbindgen_free(memi32[retptr / 4 + 0], memi32[retptr / 4 + 1] * 1);
-    return v0;
-}
-

codecs/resize/pkg/squoosh_resize.d.ts

@@ -0,0 +1,14 @@
+/* tslint:disable */
+/* eslint-disable */
+/**
+* @param {Uint8Array} input_image
+* @param {number} input_width
+* @param {number} input_height
+* @param {number} output_width
+* @param {number} output_height
+* @param {number} typ_idx
+* @param {boolean} premultiply
+* @param {boolean} color_space_conversion
+* @returns {Uint8Array}
+*/
+export function resize(input_image: Uint8Array, input_width: number, input_height: number, output_width: number, output_height: number, typ_idx: number, premultiply: boolean, color_space_conversion: boolean): Uint8Array;

codecs/resize/pkg/squoosh_resize.js

@@ -0,0 +1,2 @@
+import * as wasm from "./squoosh_resize_bg.wasm";
+export * from "./squoosh_resize_bg.js";

codecs/resize/pkg/squoosh_resize_bg.d.ts

@@ -1,5 +1,6 @@
 /* tslint:disable */
+/* eslint-disable */
 export const memory: WebAssembly.Memory;
+export function resize(a: number, b: number, c: number, d: number, e: number, f: number, g: number, h: number, i: number, j: number): void;
 export function __wbindgen_malloc(a: number): number;
 export function __wbindgen_free(a: number, b: number): void;
-export function resize(a: number, b: number, c: number, d: number, e: number, f: number, g: number, h: number, i: number, j: number): void;

codecs/resize/pkg/squoosh_resize_bg.js

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

codecs/resize/src/lib.rs

@@ -48,7 +48,7 @@ fn alpha_multiplier_funcs(
     if with_alpha_premultiplication {
         (
             |v, a| (v * (a as f32) / 255.0) as u8,
-            |v, a| (v as f32) * 255.0 / (a as f32).clamp(0.0, 255.0),
+            |v, a| ((v as f32) * 255.0 / (a as f32)).clamp(0.0, 255.0),
         )
     } else {
         (|v, _a| v as u8, |v, _a| v as f32)

codecs/rotate/.gitignore

@@ -1,2 +1 @@
 target
-Cargo.lock

codecs/rotate/Cargo.lock

@@ -0,0 +1,6 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "squoosh-rotate"
+version = "0.1.0"
+

codecs/rotate/Cargo.toml

@@ -1,8 +1,9 @@
 [package]
-name = "rotate"
+name = "squoosh-rotate"
 version = "0.1.0"
 authors = ["Surma <surma@google.com>"]
 edition = "2018"
+publish = false
 
 [lib]
 name = "rotate"

codecs/rotate/build.sh

@@ -1,24 +1,8 @@
-#!/bin/bash
+#!/bin/sh
 
 set -e
 
-echo "============================================="
-echo "Compiling wasm"
-echo "============================================="
-(
-  cargo build \
-    --target wasm32-unknown-unknown \
-    --release
-  cp target/wasm32-unknown-unknown/release/rotate.wasm .
-  wasm-strip rotate.wasm
-)
-echo "============================================="
-echo "Compiling wasm  done"
-echo "============================================="
-
-echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
-echo "Did you update your docker image?"
-echo "Run \`docker pull ubuntu\`"
-echo "Run \`docker pull rust\`"
-echo "Run \`docker build -t squoosh-rotate .\`"
-echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
+cargo build \
+  --target wasm32-unknown-unknown \
+  --release
+wasm-opt -Os --strip target/wasm32-unknown-unknown/release/rotate.wasm -o rotate.wasm

codecs/rotate/package.json

@@ -1,8 +1,7 @@
 {
   "name": "rotate",
   "scripts": {
-    "build:image": "docker build -t squoosh-rotate .",
-    "build": "docker run --rm -v $(pwd):/src squoosh-rotate ./build.sh",
+    "build": "../build-rust.sh ./build.sh",
     "benchmark": "echo File size after gzip && npm run benchmark:filesize && echo Optimizing && npm run -s benchmark:optimizing",
     "benchmark:baseline": "v8 --liftoff --no-wasm-tier-up --no-opt ./benchmark.js",
     "benchmark:optimizing": "v8 --no-liftoff --no-wasm-tier-up ./benchmark.js",

codecs/rust.Dockerfile

@@ -0,0 +1,15 @@
+FROM emscripten/emsdk:1.39.19 AS wasm-tools
+WORKDIR /opt/wasm-tools
+RUN wget -qO- https://github.com/rustwasm/wasm-pack/releases/download/v0.9.1/wasm-pack-v0.9.1-x86_64-unknown-linux-musl.tar.gz | tar -xzf - --strip 1
+
+FROM rust:1.44-stretch AS rust
+RUN rustup target add wasm32-unknown-unknown
+COPY --from=wasm-tools /emsdk/upstream/bin/wasm-opt /emsdk/upstream/bin/clang /usr/local/bin/
+COPY --from=wasm-tools /emsdk/upstream/lib/ /usr/local/lib/
+COPY --from=wasm-tools /emsdk/upstream/emscripten/system/include/libc/ /wasm32/include/
+COPY --from=wasm-tools /emsdk/upstream/emscripten/system/lib/libc/musl/arch/emscripten/bits/ /wasm32/include/bits/
+COPY --from=wasm-tools /opt/wasm-tools/wasm-pack /usr/local/cargo/bin/
+
+ENV CPATH="/wasm32/include"
+WORKDIR /src
+CMD ["sh", "-c", "rm -rf pkg && wasm-pack build -- --verbose --locked && rm pkg/.gitignore"]

codecs/webp/LICENSE.codec.md

@@ -0,0 +1,29 @@
+Copyright (c) 2010, Google Inc. 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 Google 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
+HOLDER 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.

codecs/webp/Makefile

@@ -0,0 +1,56 @@
+CODEC_URL := https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-1.0.2.tar.gz
+CODEC_DIR = node_modules/libwebp
+CODEC_OUT_RELATIVE = src/.libs/libwebp.a
+CODEC_OUT := $(addprefix $(CODEC_DIR)/, $(CODEC_OUT_RELATIVE))
+OUT_JS = enc/webp_enc.js dec/webp_dec.js
+OUT_WASM = $(OUT_JS:.js=.wasm)
+
+.PHONY: all clean
+
+all: $(OUT_JS)
+
+%.js: %.cpp $(CODEC_OUT)
+	$(CXX) \
+		-I $(CODEC_DIR) \
+		${CXXFLAGS} \
+		${LDFLAGS} \
+		--bind \
+		--closure 1 \
+		-s ALLOW_MEMORY_GROWTH=1 \
+		-s MODULARIZE=1 \
+		-s 'EXPORT_NAME="$(basename $(@F))"' \
+		-o $@ \
+		$+
+
+$(CODEC_OUT): $(CODEC_DIR)/src/Makefile
+	$(MAKE) -C $(CODEC_DIR)/src
+
+$(CODEC_DIR)/src/Makefile: $(CODEC_DIR)/configure
+	cd $(CODEC_DIR) && ./configure \
+		--disable-shared \
+		--disable-libwebpdemux \
+		--disable-wic \
+		--disable-gif \
+		--disable-tiff \
+		--disable-jpeg \
+		--disable-png \
+		--disable-sdl \
+		--disable-gl \
+		--disable-threading \
+		--disable-neon-rtcd \
+		--disable-neon \
+		--disable-sse2 \
+		--disable-sse4.1
+
+$(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

codecs/webp/README.md

@@ -0,0 +1,5 @@
+# WebP
+
+- Source: https://github.com/webmproject/libwebp
+- Version: v1.0.2	
+- License: BSD

codecs/webp/dec/README.md

@@ -16,7 +16,3 @@ Returns the version of libwebp as a number. va.b.c is encoded as 0x0a0b0c
 ### `RawImage decode(std::string buffer)`
 
 Decodes the given webp buffer into raw RGBA. `RawImage` is a class with 3 fields: `buffer`, `width`, and `height`.
-
-### `void free_result()`
-
-Frees the result created by `decode()`.

codecs/webp/dec/example.html

@@ -10,10 +10,8 @@
 
   Module.onRuntimeInitialized = async _ => {
     console.log('Version:', Module.version().toString(16));
-    const image = await loadFile('../example.webp');
-    const result = Module.decode(image);
-    const imageData = new ImageData(new Uint8ClampedArray(result.buffer), result.width, result.height);
-    Module.free_result();
+    const image = await loadFile('../../example.webp');
+    const imageData = Module.decode(image);
     const canvas = document.createElement('canvas');
     canvas.width = result.width;
     canvas.height = result.height;

codecs/webp/dec/webp_dec.cpp

@@ -0,0 +1,26 @@
+#include <string>
+#include "emscripten/bind.h"
+#include "emscripten/val.h"
+#include "src/webp/decode.h"
+#include "src/webp/demux.h"
+
+using namespace emscripten;
+
+int version() {
+  return WebPGetDecoderVersion();
+}
+
+thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");
+thread_local const val ImageData = val::global("ImageData");
+
+val decode(std::string buffer) {
+  int width, height;
+  std::unique_ptr<uint8_t[]> rgba(
+      WebPDecodeRGBA((const uint8_t*)buffer.c_str(), buffer.size(), &width, &height));
+  return rgba ? ImageData.new_(Uint8ClampedArray.new_(typed_memory_view(width * height * 4, rgba.get())), width, height) : val::null();
+}
+
+EMSCRIPTEN_BINDINGS(my_module) {
+  function("decode", &decode);
+  function("version", &version);
+}

codecs/webp/dec/webp_dec.d.ts

@@ -0,0 +1,5 @@
+interface WebPModule extends EmscriptenWasm.Module {
+  decode(data: BufferSource): ImageData | null;
+}
+
+export default function(opts: EmscriptenWasm.ModuleOpts): WebPModule;

codecs/webp/dec/webp_dec.js

@@ -0,0 +1,67 @@
+
+var webp_dec = (function() {
+  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
+  if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
+  return (
+function(webp_dec) {
+  webp_dec = webp_dec || {};
+
+
+var d;d||(d=typeof webp_dec !== 'undefined' ? webp_dec : {});var aa,ba;d.ready=new Promise(function(a,b){aa=a;ba=b});var t={},u;for(u in d)d.hasOwnProperty(u)&&(t[u]=d[u]);var v=!1,w=!1,ca=!1,da=!1;v="object"===typeof window;w="function"===typeof importScripts;ca="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;da=!v&&!ca&&!w;var x="",z,A,ea,fa;
+if(ca)x=w?require("path").dirname(x)+"/":__dirname+"/",z=function(a,b){ea||(ea=require("fs"));fa||(fa=require("path"));a=fa.normalize(a);return ea.readFileSync(a,b?null:"utf8")},A=function(a){a=z(a,!0);a.buffer||(a=new Uint8Array(a));a.buffer||B("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",B),d.inspect=function(){return"[Emscripten Module object]"};
+else if(da)"undefined"!=typeof read&&(z=function(a){return read(a)}),A=function(a){if("function"===typeof readbuffer)return new Uint8Array(readbuffer(a));a=read(a,"binary");"object"===typeof a||B("Assertion failed: undefined");return a},"undefined"!==typeof print&&("undefined"===typeof console&&(console={}),console.log=print,console.warn=console.error="undefined"!==typeof printErr?printErr:print);else if(v||w)w?x=self.location.href:document.currentScript&&(x=document.currentScript.src),_scriptDir&&
+(x=_scriptDir),0!==x.indexOf("blob:")?x=x.substr(0,x.lastIndexOf("/")+1):x="",z=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.send(null);return b.responseText},w&&(A=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)});d.print||console.log.bind(console);var C=d.printErr||console.warn.bind(console);for(u in t)t.hasOwnProperty(u)&&(d[u]=t[u]);t=null;var D;d.wasmBinary&&(D=d.wasmBinary);var noExitRuntime;
+d.noExitRuntime&&(noExitRuntime=d.noExitRuntime);"object"!==typeof WebAssembly&&B("no native wasm support detected");var E,ha=new WebAssembly.Table({initial:130,maximum:130,element:"anyfunc"}),ia=!1,ja="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
+function ka(a,b,c){var e=F;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 n=a.charCodeAt(++f);g=65536+((g&1023)<<10)|n&1023}if(127>=g){if(b>=c)break;e[b++]=g}else{if(2047>=g){if(b+1>=c)break;e[b++]=192|g>>6}else{if(65535>=g){if(b+2>=c)break;e[b++]=224|g>>12}else{if(b+3>=c)break;e[b++]=240|g>>18;e[b++]=128|g>>12&63}e[b++]=128|g>>6&63}e[b++]=128|g&63}}e[b]=0}}var la="undefined"!==typeof TextDecoder?new TextDecoder("utf-16le"):void 0;
+function ma(a,b){var c=a>>1;for(var e=c+b/2;!(c>=e)&&G[c];)++c;c<<=1;if(32<c-a&&la)return la.decode(F.subarray(a,c));c=0;for(e="";;){var f=H[a+2*c>>1];if(0==f||c==b/2)return e;++c;e+=String.fromCharCode(f)}}function na(a,b,c){void 0===c&&(c=2147483647);if(2>c)return 0;c-=2;var e=b;c=c<2*a.length?c/2:a.length;for(var f=0;f<c;++f)H[b>>1]=a.charCodeAt(f),b+=2;H[b>>1]=0;return b-e}function oa(a){return 2*a.length}
+function pa(a,b){for(var c=0,e="";!(c>=b/4);){var f=I[a+4*c>>2];if(0==f)break;++c;65536<=f?(f-=65536,e+=String.fromCharCode(55296|f>>10,56320|f&1023)):e+=String.fromCharCode(f)}return e}function qa(a,b,c){void 0===c&&(c=2147483647);if(4>c)return 0;var e=b;c=e+c-4;for(var f=0;f<a.length;++f){var g=a.charCodeAt(f);if(55296<=g&&57343>=g){var n=a.charCodeAt(++f);g=65536+((g&1023)<<10)|n&1023}I[b>>2]=g;b+=4;if(b+4>c)break}I[b>>2]=0;return b-e}
+function ra(a){for(var b=0,c=0;c<a.length;++c){var e=a.charCodeAt(c);55296<=e&&57343>=e&&++c;b+=4}return b}var J,sa,F,H,G,I,L,ta,ua;function va(a){J=a;d.HEAP8=sa=new Int8Array(a);d.HEAP16=H=new Int16Array(a);d.HEAP32=I=new Int32Array(a);d.HEAPU8=F=new Uint8Array(a);d.HEAPU16=G=new Uint16Array(a);d.HEAPU32=L=new Uint32Array(a);d.HEAPF32=ta=new Float32Array(a);d.HEAPF64=ua=new Float64Array(a)}var wa=d.INITIAL_MEMORY||16777216;d.wasmMemory?E=d.wasmMemory:E=new WebAssembly.Memory({initial:wa/65536,maximum:32768});
+E&&(J=E.buffer);wa=J.byteLength;va(J);I[3260]=5256080;function M(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(d);else{var c=b.P;"number"===typeof c?void 0===b.L?d.dynCall_v(c):d.dynCall_vi(c,b.L):c(void 0===b.L?null:b.L)}}}var xa=[],ya=[],za=[],Aa=[];function Ba(){var a=d.preRun.shift();xa.unshift(a)}var N=0,Ca=null,P=null;d.preloadedImages={};d.preloadedAudios={};
+function B(a){if(d.onAbort)d.onAbort(a);C(a);ia=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");ba(a);throw a;}function Da(a){var b=Q;return String.prototype.startsWith?b.startsWith(a):0===b.indexOf(a)}function Ea(){return Da("data:application/octet-stream;base64,")}var Q="webp_dec.wasm";if(!Ea()){var Fa=Q;Q=d.locateFile?d.locateFile(Fa,x):x+Fa}
+function Ga(){try{if(D)return new Uint8Array(D);if(A)return A(Q);throw"both async and sync fetching of the wasm failed";}catch(a){B(a)}}function Ha(){return D||!v&&!w||"function"!==typeof fetch||Da("file://")?new Promise(function(a){a(Ga())}):fetch(Q,{credentials:"same-origin"}).then(function(a){if(!a.ok)throw"failed to load wasm binary file at '"+Q+"'";return a.arrayBuffer()}).catch(function(){return Ga()})}ya.push({P:function(){Ia()}});function R(){return 0<R.N}
+function Ja(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 Ka=void 0;function S(a){for(var b="";F[a];)b+=Ka[F[a++]];return b}var T={},U={},V={};function La(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 Ma(a,b){a=La(a);return(new Function("body","return function "+a+'() {\n    "use strict";    return body.apply(this, arguments);\n};\n'))(b)}function Na(a){var b=Error,c=Ma(a,function(e){this.name=a;this.message=e;e=Error(e).stack;void 0!==e&&(this.stack=this.toString()+"\n"+e.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 Oa=void 0;function W(a){throw new Oa(a);}var Pa=void 0;function Qa(a,b){function c(k){k=b(k);if(k.length!==e.length)throw new Pa("Mismatched type converter count");for(var h=0;h<e.length;++h)X(e[h],k[h])}var e=[];e.forEach(function(k){V[k]=a});var f=Array(a.length),g=[],n=0;a.forEach(function(k,h){U.hasOwnProperty(k)?f[h]=U[k]:(g.push(k),T.hasOwnProperty(k)||(T[k]=[]),T[k].push(function(){f[h]=U[k];++n;n===g.length&&c(f)}))});0===g.length&&c(f)}
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+var Ia=d.___wasm_call_ctors=function(){return(Ia=d.___wasm_call_ctors=d.asm.t).apply(null,arguments)},pb=d._malloc=function(){return(pb=d._malloc=d.asm.u).apply(null,arguments)},Z=d._free=function(){return(Z=d._free=d.asm.v).apply(null,arguments)},gb=d.___getTypeName=function(){return(gb=d.___getTypeName=d.asm.w).apply(null,arguments)};d.___embind_register_native_and_builtin_types=function(){return(d.___embind_register_native_and_builtin_types=d.asm.x).apply(null,arguments)};
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+
+
+  return webp_dec.ready
+}
+);
+})();
+if (typeof exports === 'object' && typeof module === 'object')
+      module.exports = webp_dec;
+    else if (typeof define === 'function' && define['amd'])
+      define([], function() { return webp_dec; });
+    else if (typeof exports === 'object')
+      exports["webp_dec"] = webp_dec;
+