Build with older nightly

Follow-up to https://github.com/GoogleChromeLabs/squoosh/pull/838.

I have no idea what the JS+Wasm diffs in the original PR even represented if they weren't proper rebuilds, but this time I just removed node_modules in all codecs to enforce a proper, clean rebuild for each C++ codec.

(Still think the speed-ups are worth it.)

.editorconfig

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

_headers.ejs

@@ -16,3 +16,8 @@
 # But it isn't a big deal if the user gets an old version.
 /assets/*
   Cache-Control: must-revalidate, max-age=3600
+
+# COOP+COEP for WebAssembly threads.
+/*
+  Cross-Origin-Embedder-Policy: require-corp
+  Cross-Origin-Opener-Policy: same-origin

codecs/avif/Makefile

@@ -1,76 +1,84 @@
-CODEC_URL = https://github.com/AOMediaCodec/libavif/archive/v0.8.0.tar.gz
-CODEC_DIR = node_modules/libavif
-CODEC_BUILD_DIR := $(CODEC_DIR)/build
-CODEC_OUT := $(CODEC_BUILD_DIR)/libavif.a
+CODEC_URL = https://github.com/AOMediaCodec/libavif/archive/31d7c6d1e32cf467ac24fb8c7a76c4902a4c00db.tar.gz
+CODEC_PACKAGE = node_modules/libavif.tar.gz
 
 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
+LIBAOM_PACKAGE = node_modules/libaom.tar.gz
 
-OUT_JS = enc/avif_enc.js dec/avif_dec.js
-OUT_WASM = $(OUT_JS:.js=.wasm)
+export CODEC_DIR = node_modules/libavif
+BUILD_DIR := node_modules/build
+ENC_BUILD_DIR := $(BUILD_DIR)/enc
+ENC_MT_BUILD_DIR := $(BUILD_DIR)/enc-mt
+DEC_BUILD_DIR := $(BUILD_DIR)/dec
+export LIBAOM_DIR = node_modules/libaom
+
+OUT_ENC_JS = enc/avif_enc.js
+OUT_ENC_MT_JS = enc/avif_enc_mt.js
+OUT_DEC_JS = dec/avif_dec.js
+
+OUT_ENC_CPP = enc/avif_enc.cpp
+OUT_DEC_CPP = dec/avif_dec.cpp
+
+HELPER_MAKEFLAGS := -f helper.Makefile
 
 .PHONY: all clean
 
-all: $(OUT_JS)
+all: $(OUT_ENC_JS) $(OUT_DEC_JS) $(OUT_ENC_MT_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 $@ \
-		$+
+$(OUT_ENC_JS): $(OUT_ENC_CPP) $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_DIR)/CMakeLists.txt
+	$(MAKE) \
+		$(HELPER_MAKEFLAGS) \
+		BUILD_DIR=$(ENC_BUILD_DIR) \
+		OUT_JS=$@ \
+		OUT_CPP=$< \
+		LIBAOM_FLAGS="\
+			-DCONFIG_AV1_DECODER=0 \
+			-DCONFIG_MULTITHREAD=0 \
+			-DCONFIG_AV1_HIGHBITDEPTH=0 \
+		" \
+		LIBAVIF_FLAGS="-DAVIF_CODEC_AOM_DECODE=0"
 
-$(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 \
-		../ && \
-	$(MAKE)
+$(OUT_ENC_MT_JS): $(OUT_ENC_CPP) $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_DIR)/CMakeLists.txt
+	$(MAKE) \
+		$(HELPER_MAKEFLAGS) \
+		BUILD_DIR=$(ENC_MT_BUILD_DIR) \
+		OUT_JS=$@ \
+		OUT_CPP=$< \
+		LIBAOM_FLAGS="\
+			-DCONFIG_AV1_DECODER=0 \
+			-DCONFIG_AV1_HIGHBITDEPTH=0 \
+		" \
+		LIBAVIF_FLAGS="-DAVIF_CODEC_AOM_DECODE=0" \
+		OUT_FLAGS="-pthread"
 
-$(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 \
-		../ && \
-	$(MAKE)
+$(OUT_DEC_JS): $(OUT_DEC_CPP) $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_DIR)/CMakeLists.txt
+	$(MAKE) \
+		$(HELPER_MAKEFLAGS) \
+		BUILD_DIR=$(DEC_BUILD_DIR) \
+		OUT_JS=$@ \
+		OUT_CPP=$< \
+		LIBAOM_FLAGS="\
+			-DCONFIG_AV1_ENCODER=0 \
+			-DCONFIG_MULTITHREAD=0 \
+		" \
+		LIBAVIF_FLAGS="-DAVIF_CODEC_AOM_ENCODE=0"
 
-$(CODEC_DIR)/CMakeLists.txt: $(CODEC_DIR)
+$(CODEC_PACKAGE):
+	mkdir -p $(@D)
+	curl -sL $(CODEC_URL) -o $@
 
-$(LIBAOM_DIR)/CMakeLists.txt: $(LIBAOM_DIR)
+$(LIBAOM_PACKAGE):
+	mkdir -p $(@D)
+	curl -sL $(LIBAOM_URL) -o $@
 
-$(CODEC_DIR):
-	mkdir -p $@
-	curl -sL $(CODEC_URL) | tar xz --strip 1 -C $@
+$(CODEC_DIR)/CMakeLists.txt: $(CODEC_PACKAGE)
+	mkdir -p $(@D)
+	tar xzm --strip 1 -C $(@D) -f $(CODEC_PACKAGE)
 
-$(LIBAOM_DIR):
-	mkdir -p $@
-	curl -sL $(LIBAOM_URL) | tar xz -C $@
+$(LIBAOM_DIR)/CMakeLists.txt: $(LIBAOM_PACKAGE)
+	mkdir -p $(@D)
+	tar xzm -C $(@D) -f $(LIBAOM_PACKAGE)
 
 clean:
-	$(RM) $(OUT_JS) $(OUT_WASM)
-	$(MAKE) -C $(CODEC_BUILD_DIR) clean
-	$(MAKE) -C $(LIBAOM_BUILD_DIR) clean
+	$(MAKE) $(HELPER_MAKEFLAGS) BUILD_DIR=$(ENC_BUILD_DIR) OUT_JS=$(OUT_ENC_JS) clean
+	$(MAKE) $(HELPER_MAKEFLAGS) BUILD_DIR=$(ENC_MT_BUILD_DIR) OUT_JS=$(OUT_ENC_MT_JS) clean
+	$(MAKE) $(HELPER_MAKEFLAGS) BUILD_DIR=$(DEC_BUILD_DIR) OUT_JS=$(OUT_DEC_JS) clean

codecs/avif/dec/avif_dec.cpp

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

codecs/avif/dec/avif_dec.d.ts

@@ -2,5 +2,5 @@ interface AVIFModule extends EmscriptenWasm.Module {
   decode(data: BufferSource): ImageData | null;
 }
 
-export default function(opts: EmscriptenWasm.ModuleOpts): AVIFModule;
+export default function(opts: EmscriptenWasm.ModuleOpts): Promise<AVIFModule>;
 

codecs/avif/dec/avif_dec.js

@@ -7,95 +7,55 @@ function(avif_dec) {
   avif_dec = avif_dec || {};
 
 
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+var Ma=d.___wasm_call_ctors=function(){return(Ma=d.___wasm_call_ctors=d.asm.B).apply(null,arguments)},vb=d._malloc=function(){return(vb=d._malloc=d.asm.C).apply(null,arguments)},W=d._free=function(){return(W=d._free=d.asm.D).apply(null,arguments)},lb=d.___getTypeName=function(){return(lb=d.___getTypeName=d.asm.E).apply(null,arguments)};d.___embind_register_native_and_builtin_types=function(){return(d.___embind_register_native_and_builtin_types=d.asm.F).apply(null,arguments)};
+var X=d._setThrew=function(){return(X=d._setThrew=d.asm.G).apply(null,arguments)},Y=d.stackSave=function(){return(Y=d.stackSave=d.asm.H).apply(null,arguments)},Z=d.stackRestore=function(){return(Z=d.stackRestore=d.asm.I).apply(null,arguments)};d.dynCall_vi=function(){return(d.dynCall_vi=d.asm.J).apply(null,arguments)};
+var Bb=d.dynCall_viiii=function(){return(Bb=d.dynCall_viiii=d.asm.K).apply(null,arguments)},Cb=d.dynCall_viiiiiii=function(){return(Cb=d.dynCall_viiiiiii=d.asm.L).apply(null,arguments)},Db=d.dynCall_iii=function(){return(Db=d.dynCall_iii=d.asm.M).apply(null,arguments)},Eb=d.dynCall_iiiii=function(){return(Eb=d.dynCall_iiiii=d.asm.N).apply(null,arguments)};d.dynCall_vii=function(){return(d.dynCall_vii=d.asm.O).apply(null,arguments)};
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+d.dynCall_viii=function(){return(d.dynCall_viii=d.asm.U).apply(null,arguments)};d.dynCall_viiiii=function(){return(d.dynCall_viiiii=d.asm.V).apply(null,arguments)};d.dynCall_iiii=function(){return(d.dynCall_iiii=d.asm.W).apply(null,arguments)};d.dynCall_iidiiii=function(){return(d.dynCall_iidiiii=d.asm.X).apply(null,arguments)};d.dynCall_viiiiiiiiii=function(){return(d.dynCall_viiiiiiiiii=d.asm.Y).apply(null,arguments)};d.dynCall_jiji=function(){return(d.dynCall_jiji=d.asm.Z).apply(null,arguments)};
+function zb(a,b,c,e,f,g,h,l){var k=Y();try{Cb(a,b,c,e,f,g,h,l)}catch(m){Z(k);if(m!==m+0&&"longjmp"!==m)throw m;X(1,0)}}function yb(a,b,c,e,f){var g=Y();try{Bb(a,b,c,e,f)}catch(h){Z(g);if(h!==h+0&&"longjmp"!==h)throw h;X(1,0)}}function wb(a,b,c){var e=Y();try{return Db(a,b,c)}catch(f){Z(e);if(f!==f+0&&"longjmp"!==f)throw f;X(1,0)}}function xb(a,b,c,e,f){var g=Y();try{return Eb(a,b,c,e,f)}catch(h){Z(g);if(h!==h+0&&"longjmp"!==h)throw h;X(1,0)}}var Fb;N=function Gb(){Fb||Hb();Fb||(N=Gb)};
+function Hb(){function a(){if(!Fb&&(Fb=!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<M)){if(d.preRun)for("function"==typeof d.preRun&&(d.preRun=[d.preRun]);d.preRun.length;)Fa();Aa(Ba);0<M||(d.setStatus?(d.setStatus("Running..."),setTimeout(function(){setTimeout(function(){d.setStatus("")},1);a()},1)):a())}}
+d.run=Hb;if(d.preInit)for("function"==typeof d.preInit&&(d.preInit=[d.preInit]);0<d.preInit.length;)d.preInit.pop()();noExitRuntime=!0;Hb();
 
 
   return avif_dec.ready

codecs/avif/enc/avif_enc.cpp

@@ -1,5 +1,6 @@
 #include <emscripten/bind.h>
 #include <emscripten/val.h>
+#include <emscripten/threading.h>
 #include "avif/avif.h"
 
 using namespace emscripten;
@@ -10,6 +11,8 @@ struct AvifOptions {
   // 63 = worst quality
   int minQuantizer;
   int maxQuantizer;
+  int minQuantizerAlpha;
+  int maxQuantizerAlpha;
   // [0 - 6]
   // Creates 2^n tiles in that dimension
   int tileRowsLog2;
@@ -18,9 +21,10 @@ struct AvifOptions {
   // 0 = slowest
   // 10 = fastest
   int speed;
-  // 0 = 4:2:0
-  // 1 = 4:2:2
-  // 2 = 4:4:4
+  // 0 = 4:0:0
+  // 1 = 4:2:0
+  // 2 = 4:2:2
+  // 3 = 4:4:4
   int subsample;
 };
 
@@ -32,18 +36,33 @@ val encode(std::string buffer, int width, int height, AvifOptions options) {
   avifPixelFormat format;
   switch (options.subsample) {
     case 0:
-      format = AVIF_PIXEL_FORMAT_YUV420;
+      format = AVIF_PIXEL_FORMAT_YUV400;
       break;
     case 1:
-      format = AVIF_PIXEL_FORMAT_YUV422;
+      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;
@@ -53,16 +72,18 @@ val encode(std::string buffer, int width, int height, AvifOptions options) {
   avifImageRGBToYUV(image, &srcRGB);
 
   avifEncoder* encoder = avifEncoderCreate();
-  encoder->maxThreads = 1;
+  encoder->maxThreads = emscripten_num_logical_cores();
   encoder->minQuantizer = options.minQuantizer;
   encoder->maxQuantizer = options.maxQuantizer;
+  encoder->minQuantizerAlpha = options.minQuantizerAlpha;
+  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));
+    js_result = Uint8Array.new_(typed_memory_view(output.size, output.data));
   }
 
   avifImageDestroy(image);
@@ -75,6 +96,8 @@ 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)

codecs/avif/enc/avif_enc.d.ts

@@ -4,4 +4,4 @@ interface AVIFModule extends EmscriptenWasm.Module {
   encode(data: BufferSource, width: number, height: number, options: EncodeOptions): Uint8Array | null;
 }
 
-export default function(opts: EmscriptenWasm.ModuleOpts): AVIFModule;
+export default function(opts: EmscriptenWasm.ModuleOpts): Promise<AVIFModule>;

codecs/avif/enc/avif_enc.js

@@ -7,98 +7,97 @@ function(avif_enc) {
   avif_enc = avif_enc || {};
 
 
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codecs/avif/enc/avif_enc_mt.js

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+z.dynCall_viiiiiiiiiiiii=function(){return(z.dynCall_viiiiiiiiiiiii=z.asm.lb).apply(null,arguments)};z.dynCall_jiiiiiiii=function(){return(z.dynCall_jiiiiiiii=z.asm.mb).apply(null,arguments)};z.dynCall_ff=function(){return(z.dynCall_ff=z.asm.nb).apply(null,arguments)};z.dynCall_jiiiiii=function(){return(z.dynCall_jiiiiii=z.asm.ob).apply(null,arguments)};z.dynCall_jiiiii=function(){return(z.dynCall_jiiiii=z.asm.pb).apply(null,arguments)};
+z.dynCall_iiijii=function(){return(z.dynCall_iiijii=z.asm.qb).apply(null,arguments)};function Qd(a,b){var c=Y();try{Cb(a,b)}catch(d){N(c);if(d!==d+0&&"longjmp"!==d)throw d;Z(1,0)}}function Sd(a,b,c,d,f){var g=Y();try{Xd(a,b,c,d,f)}catch(h){N(g);if(h!==h+0&&"longjmp"!==h)throw h;Z(1,0)}}function Rd(a,b,c){var d=Y();try{Wd(a,b,c)}catch(f){N(d);if(f!==f+0&&"longjmp"!==f)throw f;Z(1,0)}}
+function Pd(a,b,c,d,f,g,h,l,k){var q=Y();try{return ae(a,b,c,d,f,g,h,l,k)}catch(r){N(q);if(r!==r+0&&"longjmp"!==r)throw r;Z(1,0)}}function Md(a,b,c){var d=Y();try{return Yd(a,b,c)}catch(f){N(d);if(f!==f+0&&"longjmp"!==f)throw f;Z(1,0)}}function Od(a,b,c,d,f){var g=Y();try{return $d(a,b,c,d,f)}catch(h){N(g);if(h!==h+0&&"longjmp"!==h)throw h;Z(1,0)}}function Nd(a,b,c,d){var f=Y();try{return Zd(a,b,c,d)}catch(g){N(f);if(g!==g+0&&"longjmp"!==g)throw g;Z(1,0)}}z.PThread=L;z.PThread=L;z._pthread_self=Hd;
+z.wasmMemory=m;z.ExitStatus=ya;var be;function ya(a){this.name="ExitStatus";this.message="Program terminated with exit("+a+")";this.status=a}fb=function ce(){be||de();be||(fb=ce)};
+function de(){function a(){if(!be&&(be=!0,z.calledRun=!0,!Ha)){z.noFSInit||tc||(tc=!0,sc(),z.stdin=z.stdin,z.stdout=z.stdout,z.stderr=z.stderr,z.stdin?vc("stdin",z.stdin):oc("/dev/tty","/dev/stdin"),z.stdout?vc("stdout",null,z.stdout):oc("/dev/tty","/dev/stdout"),z.stderr?vc("stderr",null,z.stderr):oc("/dev/tty1","/dev/stderr"),pc("/dev/stdin","r"),pc("/dev/stdout","w"),pc("/dev/stderr","w"));Ua(Wa);G||(Xb=!1,Ua(Xa));na(z);if(z.onRuntimeInitialized)z.onRuntimeInitialized();if(!G){if(z.postRun)for("function"==
+typeof z.postRun&&(z.postRun=[z.postRun]);z.postRun.length;){var b=z.postRun.shift();Ya.unshift(b)}Ua(Ya)}}}if(!(0<db)){if(!G){if(z.preRun)for("function"==typeof z.preRun&&(z.preRun=[z.preRun]);z.preRun.length;)Za();Ua(Va)}0<db||(z.setStatus?(z.setStatus("Running..."),setTimeout(function(){setTimeout(function(){z.setStatus("")},1);a()},1)):a())}}z.run=de;if(z.preInit)for("function"==typeof z.preInit&&(z.preInit=[z.preInit]);0<z.preInit.length;)z.preInit.pop()();G||(noExitRuntime=!0);
+G?(z.___embind_register_native_and_builtin_types(),na(z)):de();
+
+
+  return avif_enc_mt.ready
+}
+);
+})();
+if (typeof exports === 'object' && typeof module === 'object')
+      module.exports = avif_enc_mt;
+    else if (typeof define === 'function' && define['amd'])
+      define([], function() { return avif_enc_mt; });
+    else if (typeof exports === 'object')
+      exports["avif_enc_mt"] = avif_enc_mt;
+    

codecs/avif/enc/avif_enc_mt.worker.js

@@ -0,0 +1 @@
+var threadInfoStruct=0;var selfThreadId=0;var parentThreadId=0;var Module={};function threadPrintErr(){var text=Array.prototype.slice.call(arguments).join(" ");console.error(text)}function threadAlert(){var text=Array.prototype.slice.call(arguments).join(" ");postMessage({cmd:"alert",text:text,threadId:selfThreadId})}var err=threadPrintErr;this.alert=threadAlert;Module["instantiateWasm"]=function(info,receiveInstance){var instance=new WebAssembly.Instance(Module["wasmModule"],info);Module["wasmModule"]=null;receiveInstance(instance);return instance.exports};this.onmessage=function(e){try{if(e.data.cmd==="load"){Module["DYNAMIC_BASE"]=e.data.DYNAMIC_BASE;Module["DYNAMICTOP_PTR"]=e.data.DYNAMICTOP_PTR;Module["wasmModule"]=e.data.wasmModule;Module["wasmMemory"]=e.data.wasmMemory;Module["buffer"]=Module["wasmMemory"].buffer;Module["ENVIRONMENT_IS_PTHREAD"]=true;if(typeof e.data.urlOrBlob==="string"){importScripts(e.data.urlOrBlob)}else{var objectUrl=URL.createObjectURL(e.data.urlOrBlob);importScripts(objectUrl);URL.revokeObjectURL(objectUrl)}avif_enc_mt(Module).then(function(instance){Module=instance;postMessage({"cmd":"loaded"})})}else if(e.data.cmd==="objectTransfer"){Module["PThread"].receiveObjectTransfer(e.data)}else if(e.data.cmd==="run"){Module["__performance_now_clock_drift"]=performance.now()-e.data.time;threadInfoStruct=e.data.threadInfoStruct;Module["registerPthreadPtr"](threadInfoStruct,/*isMainBrowserThread=*/0,/*isMainRuntimeThread=*/0);selfThreadId=e.data.selfThreadId;parentThreadId=e.data.parentThreadId;var max=e.data.stackBase;var top=e.data.stackBase+e.data.stackSize;Module["establishStackSpace"](top,max);Module["_emscripten_tls_init"]();Module["PThread"].receiveObjectTransfer(e.data);Module["PThread"].setThreadStatus(Module["_pthread_self"](),1);/*EM_THREAD_STATUS_RUNNING*/try{var result=Module["dynCall_ii"](e.data.start_routine,e.data.arg);if(!Module["getNoExitRuntime"]())Module["PThread"].threadExit(result)}catch(ex){if(ex==="Canceled!"){Module["PThread"].threadCancel()}else if(ex!="unwind"){Atomics.store(Module["HEAPU32"],(threadInfoStruct+4)>>/*C_STRUCTS.pthread.threadExitCode*/2,(ex instanceof Module["ExitStatus"])?ex.status:-2);/*A custom entry specific to Emscripten denoting that the thread crashed.*/Atomics.store(Module["HEAPU32"],(threadInfoStruct+0)>>/*C_STRUCTS.pthread.threadStatus*/2,1);Module["_emscripten_futex_wake"](threadInfoStruct+0,/*C_STRUCTS.pthread.threadStatus*/2147483647);if(!(ex instanceof Module["ExitStatus"]))throw ex}}}else if(e.data.cmd==="cancel"){if(threadInfoStruct){Module["PThread"].threadCancel()}}else if(e.data.target==="setimmediate"){}else if(e.data.cmd==="processThreadQueue"){if(threadInfoStruct){Module["_emscripten_current_thread_process_queued_calls"]()}}else{err("worker.js received unknown command "+e.data.cmd);err(e.data)}}catch(ex){err("worker.js onmessage() captured an uncaught exception: "+ex);if(ex.stack)err(ex.stack);throw ex}};if(typeof process==="object"&&typeof process.versions==="object"&&typeof process.versions.node==="string"){self={location:{href:__filename}};var onmessage=this.onmessage;var nodeWorkerThreads=require("worker_threads");global.Worker=nodeWorkerThreads.Worker;var parentPort=nodeWorkerThreads.parentPort;parentPort.on("message",function(data){onmessage({data:data})});var nodeFS=require("fs");var nodeRead=function(filename){return nodeFS.readFileSync(filename,"utf8")};function globalEval(x){global.require=require;global.Module=Module;eval.call(null,x)}importScripts=function(f){globalEval(nodeRead(f))};postMessage=function(msg){parentPort.postMessage(msg)};if(typeof performance==="undefined"){performance={now:function(){return Date.now()}}}}

codecs/avif/helper.Makefile

@@ -0,0 +1,72 @@
+# This is a helper Makefile for building LibAVIF + LibAOM with given params.
+#
+# Params that must be supplied by the caller:
+#   $(CODEC_DIR)
+#   $(LIBAOM_DIR)
+#   $(BUILD_DIR)
+#   $(OUT_JS)
+#   $(OUT_CPP)
+#   $(LIBAOM_FLAGS)
+#   $(LIBAVIF_FLAGS)
+
+CODEC_BUILD_DIR := $(BUILD_DIR)/libavif
+CODEC_OUT := $(CODEC_BUILD_DIR)/libavif.a
+
+LIBAOM_BUILD_DIR := $(BUILD_DIR)/libaom
+LIBAOM_OUT := $(LIBAOM_BUILD_DIR)/libaom.a
+
+OUT_WASM = $(OUT_JS:.js=.wasm)
+OUT_WORKER=$(OUT_JS:.js=.worker.js)
+
+.PHONY: all clean
+
+all: $(OUT_JS)
+
+$(OUT_JS): $(OUT_CPP) $(LIBAOM_OUT) $(CODEC_OUT)
+	$(CXX) \
+		-I $(CODEC_DIR)/include \
+		$(CXXFLAGS) \
+		$(LDFLAGS) \
+		$(OUT_FLAGS) \
+		--bind \
+		--closure 1 \
+		-s ALLOW_MEMORY_GROWTH=1 \
+		-s MODULARIZE=1 \
+		-s 'EXPORT_NAME="$(basename $(@F))"' \
+		-o $@ \
+		$+
+
+$(CODEC_OUT): $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_OUT)
+	emcmake cmake \
+		-DCMAKE_BUILD_TYPE=Release \
+		-DBUILD_SHARED_LIBS=0 \
+		-DAVIF_CODEC_AOM=1 \
+		-DAOM_LIBRARY=$(LIBAOM_OUT) \
+		-DAOM_INCLUDE_DIR=$(LIBAOM_DIR) \
+		$(LIBAVIF_FLAGS) \
+		-B $(CODEC_BUILD_DIR) \
+		$(CODEC_DIR) && \
+	$(MAKE) -C $(CODEC_BUILD_DIR)
+
+$(LIBAOM_OUT): $(LIBAOM_DIR)/CMakeLists.txt
+	emcmake cmake \
+		-DCMAKE_BUILD_TYPE=Release \
+		-DENABLE_CCACHE=0 \
+		-DAOM_TARGET_CPU=generic \
+		-DENABLE_DOCS=0 \
+		-DENABLE_TESTS=0 \
+		-DENABLE_EXAMPLES=0 \
+		-DENABLE_TOOLS=0 \
+		-DCONFIG_ACCOUNTING=1 \
+		-DCONFIG_INSPECTION=0 \
+		-DCONFIG_RUNTIME_CPU_DETECT=0 \
+		-DCONFIG_WEBM_IO=0 \
+		$(LIBAOM_FLAGS) \
+		-B $(LIBAOM_BUILD_DIR) \
+		$(LIBAOM_DIR) && \
+	$(MAKE) -C $(LIBAOM_BUILD_DIR)
+
+clean:
+	$(RM) $(OUT_JS) $(OUT_WASM) $(OUT_WORKER)
+	$(MAKE) -C $(CODEC_BUILD_DIR) clean
+	$(MAKE) -C $(LIBAOM_BUILD_DIR) clean

codecs/build-rust-nightly.sh

@@ -0,0 +1,4 @@
+set -e
+
+docker build -t squoosh-rust-nightly --build-arg RUST_IMG=rustlang/rust@sha256:744aeea5a38f95aa7a96ec37269a65f0c6197a1cdd87d6534e12bb869141d807 - < ../rust.Dockerfile
+docker run --rm -v $PWD:/src squoosh-rust-nightly "$@"

codecs/cpp.Dockerfile

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

codecs/hqx/LICENSE.codec.md

@@ -0,0 +1,201 @@
+                                 Apache License
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+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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+   Copyright [yyyy] [name of copyright owner]
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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/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.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must pass on to the recipients the same
+freedoms that you received.  You must make sure that they, too, receive
+or can get the source code.  And you must show them these terms so they
+know their rights.
+
+  Developers that use the GNU GPL protect your rights with two steps:
+(1) assert copyright on the software, and (2) offer you this License
+giving you legal permission to copy, distribute and/or modify it.
+
+  For the developers' and authors' protection, the GPL clearly explains
+that there is no warranty for this free software.  For both users' and
+authors' sake, the GPL requires that modified versions be marked as
+changed, so that their problems will not be attributed erroneously to
+authors of previous versions.
+
+  Some devices are designed to deny users access to install or run
+modified versions of the software inside them, although the manufacturer
+can do so.  This is fundamentally incompatible with the aim of
+protecting users' freedom to change the software.  The systematic
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codecs/imagequant/README.md

@@ -2,6 +2,7 @@
 
 - Source: <https://github.com/ImageOptim/libimagequant>
 - Version: v2.12.1
+- License: GPL3
 
 ## Dependencies
 

codecs/imagequant/example.html

@@ -29,7 +29,7 @@
     const rawImage = Module.zx_quantize(image.data, image.width, image.height, 1.0);
     console.log('done');
 
-    const imageData = new ImageData(new Uint8ClampedArray(rawImage.buffer), rawImage.width, rawImage.height);
+    const imageData = new ImageData(new Uint8ClampedArray(rawImage.buffer), image.width, image.height);
     const canvas = document.createElement('canvas');
     canvas.width = image.width;
     canvas.height = image.height;

codecs/imagequant/imagequant.d.ts

@@ -3,4 +3,4 @@ interface QuantizerModule extends EmscriptenWasm.Module {
   zx_quantize(data: BufferSource, width: number, height: number, dither: number): Uint8ClampedArray;
 }
 
-export default function(opts: EmscriptenWasm.ModuleOpts): QuantizerModule;
+export default function(opts: EmscriptenWasm.ModuleOpts): Promise<QuantizerModule>;

codecs/imagequant/imagequant.js

@@ -7,51 +7,51 @@ function(imagequant) {
   imagequant = imagequant || {};
 
 
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codecs/mozjpeg/dec/example.html

@@ -1,18 +0,0 @@
-<!DOCTYPE html>
-<script src="mozjpeg_dec.js"></script>
-<script>
-  const module = mozjpeg_dec({
-    async onRuntimeInitialized() {
-      const image = await fetch("./original.jpg").then(r => r.arrayBuffer());
-      const result = this.decode(image);
-
-      const canvas = document.createElement("canvas");
-      canvas.width = result.width;
-      canvas.height = result.height;
-      // Draw image onto canvas
-      const ctx = canvas.getContext("2d");
-      ctx.putImageData(result, 0, 0);
-      document.body.append(canvas);
-    }
-  });
-</script>

codecs/mozjpeg/dec/mozjpeg_dec.cpp

@@ -1,59 +0,0 @@
-#include <emscripten/bind.h>
-#include <emscripten/val.h>
-#include "config.h"
-#include "jpeglib.h"
-
-extern "C" {
-#include "cdjpeg.h"
-}
-
-using namespace emscripten;
-
-thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");
-thread_local const val ImageData = val::global("ImageData");
-
-val decode(std::string image_in) {
-  uint8_t* image_buffer = (uint8_t*)image_in.c_str();
-
-  jpeg_decompress_struct cinfo;
-  jpeg_error_mgr jerr;
-  // Initialize the JPEG decompression object with default error handling.
-  cinfo.err = jpeg_std_error(&jerr);
-  jpeg_create_decompress(&cinfo);
-
-  jpeg_mem_src(&cinfo, image_buffer, image_in.length());
-  // Read file header, set default decompression parameters
-  jpeg_read_header(&cinfo, TRUE);
-  // Force RGBA decoding, even for grayscale images
-  cinfo.out_color_space = JCS_EXT_RGBA;
-  jpeg_start_decompress(&cinfo);
-
-  // Prepare output buffer
-  size_t output_size = cinfo.output_width * cinfo.output_height * 4;
-  std::vector<uint8_t> output_buffer(output_size);
-  auto stride = cinfo.output_width * 4;
-
-  // Process data
-  auto buffer_lines_available = cinfo.output_height;
-  while (cinfo.output_scanline < cinfo.output_height) {
-    uint8_t* ptr = &output_buffer[stride * cinfo.output_scanline];
-    auto lines_read = jpeg_read_scanlines(&cinfo, &ptr, buffer_lines_available);
-    buffer_lines_available -= lines_read;
-  }
-  jpeg_finish_decompress(&cinfo);
-
-  // Step 7: release JPEG compression object
-
-  auto data = Uint8ClampedArray.new_(typed_memory_view(output_buffer.size(), output_buffer.data()));
-  auto js_result = ImageData.new_(data, cinfo.output_width, cinfo.output_height);
-
-  // This is an important step since it will release a good deal of memory.
-  jpeg_destroy_decompress(&cinfo);
-
-  // And we're done!
-  return js_result;
-}
-
-EMSCRIPTEN_BINDINGS(my_module) {
-  function("decode", &decode);
-}

codecs/mozjpeg/dec/mozjpeg_dec.js

@@ -1,69 +0,0 @@
-
-var mozjpeg_dec = (function() {
-  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
-  if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
-  return (
-function(mozjpeg_dec) {
-  mozjpeg_dec = mozjpeg_dec || {};
-
-
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codecs/mozjpeg/enc/mozjpeg_enc.js

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-d.dynCall_i=function(){return(d.dynCall_i=d.asm.I).apply(null,arguments)};d.dynCall_vi=function(){return(d.dynCall_vi=d.asm.J).apply(null,arguments)};d.dynCall_iii=function(){return(d.dynCall_iii=d.asm.K).apply(null,arguments)};d.dynCall_viii=function(){return(d.dynCall_viii=d.asm.L).apply(null,arguments)};d.dynCall_iiiiii=function(){return(d.dynCall_iiiiii=d.asm.M).apply(null,arguments)};d.dynCall_viiiii=function(){return(d.dynCall_viiiii=d.asm.N).apply(null,arguments)};
-d.dynCall_vii=function(){return(d.dynCall_vii=d.asm.O).apply(null,arguments)};d.dynCall_ii=function(){return(d.dynCall_ii=d.asm.P).apply(null,arguments)};d.dynCall_iiiiiii=function(){return(d.dynCall_iiiiiii=d.asm.Q).apply(null,arguments)};d.dynCall_iiiii=function(){return(d.dynCall_iiiii=d.asm.R).apply(null,arguments)};d.dynCall_iiii=function(){return(d.dynCall_iiii=d.asm.S).apply(null,arguments)};d.dynCall_viiiiiiii=function(){return(d.dynCall_viiiiiiii=d.asm.T).apply(null,arguments)};
-d.dynCall_viiii=function(){return(d.dynCall_viiii=d.asm.U).apply(null,arguments)};d.dynCall_viiiiiii=function(){return(d.dynCall_viiiiiii=d.asm.V).apply(null,arguments)};d.dynCall_jiji=function(){return(d.dynCall_jiji=d.asm.W).apply(null,arguments)};d.dynCall_viiiiii=function(){return(d.dynCall_viiiiii=d.asm.X).apply(null,arguments)};var Bb;function ia(a){this.name="ExitStatus";this.message="Program terminated with exit("+a+")";this.status=a}P=function Cb(){Bb||Db();Bb||(P=Cb)};
-function Db(){function a(){if(!Bb&&(Bb=!0,d.calledRun=!0,!ma)){Ca(Ea);Ca(Fa);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();Ga.unshift(b)}Ca(Ga)}}if(!(0<O)){if(d.preRun)for("function"==typeof d.preRun&&(d.preRun=[d.preRun]);d.preRun.length;)Ha();Ca(Da);0<O||(d.setStatus?(d.setStatus("Running..."),setTimeout(function(){setTimeout(function(){d.setStatus("")},1);a()},1)):a())}}
-d.run=Db;if(d.preInit)for("function"==typeof d.preInit&&(d.preInit=[d.preInit]);0<d.preInit.length;)d.preInit.pop()();noExitRuntime=!0;Db();
-
-
-  return mozjpeg_enc.ready
-}
-);
-})();
-if (typeof exports === 'object' && typeof module === 'object')
-      module.exports = mozjpeg_enc;
-    else if (typeof define === 'function' && define['amd'])
-      define([], function() { return mozjpeg_enc; });
-    else if (typeof exports === 'object')
-      exports["mozjpeg_enc"] = mozjpeg_enc;
-    

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

@@ -2,7 +2,7 @@ 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 := enc/mozjpeg_enc.js dec/mozjpeg_dec.js
+OUT_JS := mozjpeg_enc.js
 OUT_WASM := $(OUT_JS:.js=.wasm)
 
 .PHONY: all clean

codecs/mozjpeg_enc/README.md

@@ -2,6 +2,7 @@
 
 - Source: <https://github.com/mozilla/mozjpeg>
 - Version: v3.3.1
+- License: BSD
 
 ## Dependencies
 

codecs/mozjpeg_enc/mozjpeg_enc.cpp

@@ -1,5 +1,10 @@
 #include <emscripten/bind.h>
 #include <emscripten/val.h>
+#include <inttypes.h>
+#include <setjmp.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 #include "config.h"
 #include "jpeglib.h"
 
@@ -9,6 +14,12 @@ extern "C" {
 
 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
+#define xstr(s) str(s)
+#define str(s) #s
+
 struct MozJpegOptions {
   int quality;
   bool baseline;
@@ -28,6 +39,22 @@ struct MozJpegOptions {
   int chroma_quality;
 };
 
+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] == '.') {
+      buffer[i] = '\0';
+      version = version << 8 | atoi(&buffer[last_index]);
+      buffer[i] = '.';
+      last_index = i + 1;
+    }
+  }
+  version = version << 8 | atoi(&buffer[last_index]);
+  return version;
+}
+
 thread_local const val Uint8Array = val::global("Uint8Array");
 
 val encode(std::string image_in, int image_width, int image_height, MozJpegOptions opts) {
@@ -201,5 +228,6 @@ EMSCRIPTEN_BINDINGS(my_module) {
       .field("separate_chroma_quality", &MozJpegOptions::separate_chroma_quality)
       .field("chroma_quality", &MozJpegOptions::chroma_quality);
 
+  function("version", &version);
   function("encode", &encode);
 }

codecs/mozjpeg_enc/mozjpeg_enc.d.ts

@@ -4,4 +4,4 @@ interface MozJPEGModule extends EmscriptenWasm.Module {
   encode(data: BufferSource, width: number, height: number, options: EncodeOptions): Uint8Array;
 }
 
-export default function(opts: EmscriptenWasm.ModuleOpts): MozJPEGModule;
+export default function(opts: EmscriptenWasm.ModuleOpts): Promise<MozJPEGModule>;

codecs/mozjpeg_enc/mozjpeg_enc.js

@@ -0,0 +1,72 @@
+
+var mozjpeg_enc = (function() {
+  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
+  if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
+  return (
+function(mozjpeg_enc) {
+  mozjpeg_enc = mozjpeg_enc || {};
+
+
+var d;d||(d=typeof mozjpeg_enc !== 'undefined' ? mozjpeg_enc : {});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 ca="./this.program";function u(a,b){throw b;}var v=!1,w=!1,da=!1,ea=!1;v="object"===typeof window;w="function"===typeof importScripts;da="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;ea=!v&&!da&&!w;var x="",B,C,fa,ha;
+if(da)x=w?require("path").dirname(x)+"/":__dirname+"/",B=function(a,b){fa||(fa=require("fs"));ha||(ha=require("path"));a=ha.normalize(a);return fa.readFileSync(a,b?null:"utf8")},C=function(a){a=B(a,!0);a.buffer||(a=new Uint8Array(a));a.buffer||D("Assertion failed: undefined");return a},1<process.argv.length&&(ca=process.argv[1].replace(/\\/g,"/")),process.argv.slice(2),process.on("uncaughtException",function(a){if(!(a instanceof ja))throw a;}),process.on("unhandledRejection",D),u=function(a){process.exit(a)},
+d.inspect=function(){return"[Emscripten Module object]"};else if(ea)"undefined"!=typeof read&&(B=function(a){return read(a)}),C=function(a){if("function"===typeof readbuffer)return new Uint8Array(readbuffer(a));a=read(a,"binary");"object"===typeof a||D("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:
+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="",B=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.send(null);return b.responseText},w&&(C=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)});var ka=d.print||console.log.bind(console),E=d.printErr||console.warn.bind(console);
+for(t in r)r.hasOwnProperty(t)&&(d[t]=r[t]);r=null;d.thisProgram&&(ca=d.thisProgram);d.quit&&(u=d.quit);var G;d.wasmBinary&&(G=d.wasmBinary);var noExitRuntime;d.noExitRuntime&&(noExitRuntime=d.noExitRuntime);"object"!==typeof WebAssembly&&D("no native wasm support detected");var H,la=new WebAssembly.Table({initial:115,maximum:115,element:"anyfunc"}),ma=!1,na="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
+function oa(a,b,c){var e=b+c;for(c=b;a[c]&&!(c>=e);)++c;if(16<c-b&&a.subarray&&na)return na.decode(a.subarray(b,c));for(e="";b<c;){var f=a[b++];if(f&128){var g=a[b++]&63;if(192==(f&224))e+=String.fromCharCode((f&31)<<6|g);else{var l=a[b++]&63;f=224==(f&240)?(f&15)<<12|g<<6|l:(f&7)<<18|g<<12|l<<6|a[b++]&63;65536>f?e+=String.fromCharCode(f):(f-=65536,e+=String.fromCharCode(55296|f>>10,56320|f&1023))}}else e+=String.fromCharCode(f)}return e}
+function pa(a,b,c){var e=I;if(0<c){c=b+c-1;for(var f=0;f<a.length;++f){var g=a.charCodeAt(f);if(55296<=g&&57343>=g){var l=a.charCodeAt(++f);g=65536+((g&1023)<<10)|l&1023}if(127>=g){if(b>=c)break;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 qa="undefined"!==typeof TextDecoder?new TextDecoder("utf-16le"):void 0;
+function ra(a,b){var c=a>>1;for(var e=c+b/2;!(c>=e)&&sa[c];)++c;c<<=1;if(32<c-a&&qa)return qa.decode(I.subarray(a,c));c=0;for(e="";;){var f=J[a+2*c>>1];if(0==f||c==b/2)return e;++c;e+=String.fromCharCode(f)}}function ta(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)J[b>>1]=a.charCodeAt(f),b+=2;J[b>>1]=0;return b-e}function ua(a){return 2*a.length}
+function va(a,b){for(var c=0,e="";!(c>=b/4);){var f=K[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 wa(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 l=a.charCodeAt(++f);g=65536+((g&1023)<<10)|l&1023}K[b>>2]=g;b+=4;if(b+4>c)break}K[b>>2]=0;return b-e}
+function xa(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 L,M,I,J,sa,K,N,ya,za;function Aa(a){L=a;d.HEAP8=M=new Int8Array(a);d.HEAP16=J=new Int16Array(a);d.HEAP32=K=new Int32Array(a);d.HEAPU8=I=new Uint8Array(a);d.HEAPU16=sa=new Uint16Array(a);d.HEAPU32=N=new Uint32Array(a);d.HEAPF32=ya=new Float32Array(a);d.HEAPF64=za=new Float64Array(a)}var Ba=d.INITIAL_MEMORY||16777216;d.wasmMemory?H=d.wasmMemory:H=new WebAssembly.Memory({initial:Ba/65536,maximum:32768});
+H&&(L=H.buffer);Ba=L.byteLength;Aa(L);K[21680]=5329760;function Ca(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(d);else{var c=b.da;"number"===typeof c?void 0===b.Y?d.dynCall_v(c):d.dynCall_vi(c,b.Y):c(void 0===b.Y?null:b.Y)}}}var Da=[],Ea=[],Fa=[],Ga=[];function Ha(){var a=d.preRun.shift();Da.unshift(a)}var O=0,Ia=null,P=null;d.preloadedImages={};d.preloadedAudios={};
+function D(a){if(d.onAbort)d.onAbort(a);E(a);ma=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");ba(a);throw a;}function Ja(a){var b=Q;return String.prototype.startsWith?b.startsWith(a):0===b.indexOf(a)}function Ka(){return Ja("data:application/octet-stream;base64,")}var Q="mozjpeg_enc.wasm";if(!Ka()){var La=Q;Q=d.locateFile?d.locateFile(La,x):x+La}
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+function Qa(a){for(;a.length;){var b=a.pop();a.pop()(b)}}function Ra(a){return this.fromWireType(N[a>>2])}var R={},S={},Sa={};function Ta(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 Ua(a,b){a=Ta(a);return(new Function("body","return function "+a+'() {\n    "use strict";    return body.apply(this, arguments);\n};\n'))(b)}
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-version = "0.23.7"
+version = "0.23.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2397fc43bd5648b7117aabb3c5e62d0e62c194826ec77b0b4d0c41e62744635"
+checksum = "974e194911d1f7efe3cd8a8f9db3b767e43536327e899e8bc9a12ef5711b74d2"
 dependencies = [
  "bytemuck",
  "byteorder",
@@ -185,11 +196,12 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.4.0"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c398b2b113b55809ceb9ee3e753fcbac793f1956663f3c36549c1346015c2afe"
+checksum = "55e2e4c765aa53a0424761bf9f41aa7a6ac1efa87238f59560640e27fca028f2"
 dependencies = [
  "autocfg",
+ "hashbrown",
  "rayon",
 ]
 
@@ -210,24 +222,33 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.72"
+version = "0.2.77"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9f8082297d534141b30c8d39e9b1773713ab50fdbe4ff30f750d063b3bfd701"
+checksum = "f2f96b10ec2560088a8e76961b00d47107b3a625fecb76dedb29ee7ccbf98235"
 
 [[package]]
-name = "libdeflater"
-version = "0.2.0"
+name = "libdeflate-sys"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66dca08b13369865b2f6dca1dd05f833985cbe6c12a676b04d55f78b85e80246"
+checksum = "21e39efa87b84db3e13ff4e2dfac1e57220abcbd7fe8ec44d238f7f4f787cc1f"
 dependencies = [
  "cc",
 ]
 
 [[package]]
-name = "log"
-version = "0.4.8"
+name = "libdeflater"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
+checksum = "a4810980d791f26d470e2d7d91a3d4d22aa3a4b709fb7e9c5e43ee54f83a01f2"
+dependencies = [
+ "libdeflate-sys",
+]
+
+[[package]]
+name = "log"
+version = "0.4.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"
 dependencies = [
  "cfg-if",
 ]
@@ -240,9 +261,9 @@ checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
 
 [[package]]
 name = "memoffset"
-version = "0.5.5"
+version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c198b026e1bbf08a937e94c6c60f9ec4a2267f5b0d2eec9c1b21b061ce2be55f"
+checksum = "043175f069eda7b85febe4a74abbaeff828d9f8b448515d3151a14a3542811aa"
 dependencies = [
  "autocfg",
 ]
@@ -256,6 +277,16 @@ dependencies = [
  "adler32",
 ]
 
+[[package]]
+name = "miniz_oxide"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c60c0dfe32c10b43a144bad8fc83538c52f58302c92300ea7ec7bf7b38d5a7b9"
+dependencies = [
+ "adler",
+ "autocfg",
+]
+
 [[package]]
 name = "num-integer"
 version = "0.1.43"
@@ -308,42 +339,50 @@ dependencies = [
 ]
 
 [[package]]
-name = "oxipng"
-version = "3.0.0"
+name = "once_cell"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d5fd695858078338d73862ff3755f820eff0bf4f3304e4b52f22aba53463183a"
+checksum = "260e51e7efe62b592207e9e13a68e43692a7a279171d6ba57abd208bf23645ad"
+
+[[package]]
+name = "oxipng"
+version = "3.0.1"
+source = "git+https://github.com/RReverser/oxipng?branch=crossbeam#0df4a32921f7b88d2be4649deb1b6fb7e5707ad8"
 dependencies = [
  "bit-vec",
  "byteorder",
  "cloudflare-zlib",
  "crc",
+ "crossbeam-channel",
  "image",
  "indexmap",
  "itertools",
  "libdeflater",
  "log",
- "miniz_oxide",
+ "miniz_oxide 0.4.2",
+ "rayon",
  "rgb",
+ "rustc_version",
  "zopfli",
 ]
 
 [[package]]
 name = "png"
-version = "0.16.6"
+version = "0.16.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c150bf7479fafe3dd8740dbe48cc33b2a3efb7b0fe3483aced8bbc39f6d0238d"
+checksum = "dfe7f9f1c730833200b134370e1d5098964231af8450bce9b78ee3ab5278b970"
 dependencies = [
  "bitflags",
  "crc32fast",
  "deflate",
- "miniz_oxide",
+ "miniz_oxide 0.3.7",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.18"
+version = "1.0.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "beae6331a816b1f65d04c45b078fd8e6c93e8071771f41b8163255bbd8d7c8fa"
+checksum = "36e28516df94f3dd551a587da5357459d9b36d945a7c37c3557928c1c2ff2a2c"
 dependencies = [
  "unicode-xid",
 ]
@@ -359,9 +398,9 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "1.3.1"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62f02856753d04e03e26929f820d0a0a337ebe71f849801eea335d464b349080"
+checksum = "dcf6960dc9a5b4ee8d3e4c5787b4a112a8818e0290a42ff664ad60692fdf2032"
 dependencies = [
  "autocfg",
  "crossbeam-deque",
@@ -371,12 +410,12 @@ dependencies = [
 
 [[package]]
 name = "rayon-core"
-version = "1.7.1"
+version = "1.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e92e15d89083484e11353891f1af602cc661426deb9564c298b270c726973280"
+checksum = "e8c4fec834fb6e6d2dd5eece3c7b432a52f0ba887cf40e595190c4107edc08bf"
 dependencies = [
+ "crossbeam-channel",
  "crossbeam-deque",
- "crossbeam-queue",
  "crossbeam-utils",
  "lazy_static",
  "num_cpus",
@@ -384,33 +423,60 @@ dependencies = [
 
 [[package]]
 name = "rgb"
-version = "0.8.20"
+version = "0.8.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90ef54b45ae131327a88597e2463fee4098ad6c88ba7b6af4b3987db8aad4098"
+checksum = "287f3c3f8236abb92d8b7e36797f19159df4b58f0a658cc3fb6dd3004b1f3bd3"
 dependencies = [
  "bytemuck",
 ]
 
+[[package]]
+name = "rustc_version"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
+dependencies = [
+ "semver",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
+[[package]]
+name = "semver"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
+dependencies = [
+ "semver-parser",
+]
+
+[[package]]
+name = "semver-parser"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
+
 [[package]]
 name = "squoosh-oxipng"
 version = "0.1.0"
 dependencies = [
+ "crossbeam-channel",
  "log",
+ "once_cell",
  "oxipng",
+ "rayon",
  "wasm-bindgen",
 ]
 
 [[package]]
 name = "syn"
-version = "1.0.34"
+version = "1.0.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "936cae2873c940d92e697597c5eee105fb570cd5689c695806f672883653349b"
+checksum = "6690e3e9f692504b941dc6c3b188fd28df054f7fb8469ab40680df52fdcc842b"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -431,9 +497,9 @@ checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.64"
+version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a634620115e4a229108b71bde263bb4220c483b3f07f5ba514ee8d15064c4c2"
+checksum = "1ac64ead5ea5f05873d7c12b545865ca2b8d28adfc50a49b84770a3a97265d42"
 dependencies = [
  "cfg-if",
  "wasm-bindgen-macro",
@@ -441,9 +507,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.64"
+version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e53963b583d18a5aa3aaae4b4c1cb535218246131ba22a71f05b518098571df"
+checksum = "f22b422e2a757c35a73774860af8e112bff612ce6cb604224e8e47641a9e4f68"
 dependencies = [
  "bumpalo",
  "lazy_static",
@@ -456,9 +522,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.64"
+version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fcfd5ef6eec85623b4c6e844293d4516470d8f19cd72d0d12246017eb9060b8"
+checksum = "6b13312a745c08c469f0b292dd2fcd6411dba5f7160f593da6ef69b64e407038"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -466,9 +532,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.64"
+version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9adff9ee0e94b926ca81b57f57f86d5545cdcb1d259e21ec9bdd95b901754c75"
+checksum = "f249f06ef7ee334cc3b8ff031bfc11ec99d00f34d86da7498396dc1e3b1498fe"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -479,9 +545,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.64"
+version = "0.2.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f7b90ea6c632dd06fd765d44542e234d5e63d9bb917ecd64d79778a13bd79ae"
+checksum = "1d649a3145108d7d3fbcde896a468d1bd636791823c9921135218ad89be08307"
 
 [[package]]
 name = "zopfli"

codecs/oxipng/Cargo.toml

@@ -12,7 +12,20 @@ crate-type = ["cdylib"]
 oxipng = { version = "3.0.0", default-features = false }
 wasm-bindgen = "0.2.64"
 log = { version = "0.4", features = ["release_max_level_off"] }
+rayon = { version = "1.3.0", optional = true }
+once_cell = { version = "1.3.1", optional = true }
+crossbeam-channel = { version = "0.4.2", optional = true }
+
+[patch.crates-io]
+# TODO: replace with upstream version once https://github.com/shssoichiro/oxipng/pull/327 is merged.
+oxipng = { git = "https://github.com/RReverser/oxipng", branch = "crossbeam" }
 
 [profile.release]
 lto = true
 opt-level = "s"
+
+[features]
+parallel = ["oxipng/parallel", "rayon", "crossbeam-channel", "once_cell"]
+
+[package.metadata.wasm-pack.profile.release]
+wasm-opt = ["-O", "--no-validation"]

codecs/oxipng/Dockerfile

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

codecs/oxipng/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

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -e
+
+rm -rf pkg,{-parallel}
+wasm-pack build
+RUSTFLAGS='-C target-feature=+atomics,+bulk-memory' wasm-pack build -t web -d pkg-parallel -- -Z build-std=panic_abort,std --features=parallel
+sed -i "s|input = import.meta.url.replace(/\\\.js$/, '_bg.wasm');||" pkg{,-parallel}/squoosh_oxipng.js
+rm pkg{,-parallel}/.gitignore

codecs/oxipng/index.ts

@@ -0,0 +1,10 @@
+import { threads } from 'wasm-feature-detect';
+
+async function init() {
+  if (await threads()) {
+    return (await import('./spawn')).default;
+  }
+  return import('./pkg');
+}
+
+export default init();

codecs/oxipng/package.json

@@ -1,6 +1,6 @@
 {
   "name": "oxipng",
   "scripts": {
-    "build": "../build-rust.sh"
+    "build": "../build-rust-nightly.sh ./build.sh"
   }
 }

codecs/oxipng/pkg-parallel/README.md

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

codecs/oxipng/pkg-parallel/package.json

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

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

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

codecs/oxipng/pkg-parallel/squoosh_oxipng.js

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

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

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

codecs/oxipng/pkg/README.md

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

codecs/oxipng/pkg/squoosh_oxipng_bg.js

@@ -44,14 +44,20 @@ function getArrayU8FromWasm0(ptr, len) {
 * @returns {Uint8Array}
 */
 export function optimise(data, level) {
-    var ptr0 = passArray8ToWasm0(data, wasm.__wbindgen_malloc);
-    var len0 = WASM_VECTOR_LEN;
-    wasm.optimise(8, ptr0, len0, level);
-    var r0 = getInt32Memory0()[8 / 4 + 0];
-    var r1 = getInt32Memory0()[8 / 4 + 1];
-    var v1 = getArrayU8FromWasm0(r0, r1).slice();
-    wasm.__wbindgen_free(r0, r1 * 1);
-    return v1;
+    try {
+        const retptr = wasm.__wbindgen_export_0.value - 16;
+        wasm.__wbindgen_export_0.value = retptr;
+        var ptr0 = passArray8ToWasm0(data, wasm.__wbindgen_malloc);
+        var len0 = WASM_VECTOR_LEN;
+        wasm.optimise(retptr, ptr0, len0, level);
+        var r0 = getInt32Memory0()[retptr / 4 + 0];
+        var r1 = getInt32Memory0()[retptr / 4 + 1];
+        var v1 = getArrayU8FromWasm0(r0, r1).slice();
+        wasm.__wbindgen_free(r0, r1 * 1);
+        return v1;
+    } finally {
+        wasm.__wbindgen_export_0.value += 16;
+    }
 }
 
 export const __wbindgen_throw = function(arg0, arg1) {

codecs/oxipng/rust-toolchain

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

codecs/oxipng/spawn.ts

@@ -0,0 +1,52 @@
+import initOxiPNG, {
+  worker_initializer,
+  start_main_thread,
+  optimise,
+} from './pkg-parallel';
+// @ts-ignore
+import wasmUrl from './pkg-parallel/squoosh_oxipng_bg.wasm';
+import { WorkerInit } from './worker';
+
+function initWorker(worker: Worker, workerInit: WorkerInit) {
+  return new Promise((resolve) => {
+    worker.postMessage(workerInit);
+    worker.addEventListener('message', () => resolve(), { once: true });
+  });
+}
+
+async function startMainThread() {
+  const num = navigator.hardwareConcurrency;
+
+  // First, let browser fetch and spawn Workers for our pool in the background.
+  // This is fairly expensive, so we want to start it as early as possible.
+  const workers = Array.from({ length: num }, () => new Worker('./worker', { type: 'module' }));
+
+  // Meanwhile, asynchronously compile, instantiate and initialise Wasm on our main thread.
+  await initOxiPNG(fetch(wasmUrl), undefined as any);
+
+  // Get module+memory from the Wasm instance.
+  //
+  // Ideally we wouldn't go via Wasm bindings here, since both are just JS variables, but memory is
+  // currently not exposed on the Wasm instance correctly by wasm-bindgen.
+  const workerInit: WorkerInit = worker_initializer(num);
+
+  // Once done, we want to send module+memory to each Worker so that they instantiate Wasm too.
+  // While doing so, we need to wait for Workers to acknowledge that they have received our message.
+  // Ideally this shouldn't be necessary, but Chromium currently doesn't conform to the spec:
+  // https://bugs.chromium.org/p/chromium/issues/detail?id=1075645
+  //
+  // If we didn't do this ping-pong game, the `start_main_thread` below would block the current
+  // thread on an atomic before even *sending* the `postMessage` containing memory,
+  // so Workers would never be able to unblock us back.
+  await Promise.all(workers.map(worker => initWorker(worker, workerInit)));
+
+  // Finally, instantiate rayon pool - this will use shared Wasm memory to send tasks to the
+  // Workers and then block until they're all ready.
+  start_main_thread();
+
+  return {
+    optimise,
+  };
+}
+
+export default startMainThread();

codecs/oxipng/src/lib.rs

@@ -1,9 +1,12 @@
-mod malloc_shim;
-
 use wasm_bindgen::prelude::*;
 use oxipng::AlphaOptim;
 
-#[wasm_bindgen(catch)]
+mod malloc_shim;
+
+#[cfg(feature = "parallel")]
+pub mod parallel;
+
+#[wasm_bindgen]
 pub fn optimise(data: &[u8], level: u8) -> Vec<u8> {
   let mut options = oxipng::Options::from_preset(level);
   options.alphas.insert(AlphaOptim::Black);

codecs/oxipng/src/parallel.rs

@@ -0,0 +1,61 @@
+use crossbeam_channel::{Sender, Receiver, bounded};
+use once_cell::sync::OnceCell;
+use wasm_bindgen::prelude::*;
+use wasm_bindgen::JsValue;
+
+#[wasm_bindgen]
+extern "C" {
+    #[wasm_bindgen(js_namespace = Array, js_name = of)]
+    fn array_of_2(a: JsValue, b: JsValue) -> JsValue;
+}
+
+// This is one of the parts that work around Chromium incorrectly implementing postMessage:
+// https://bugs.chromium.org/p/chromium/issues/detail?id=1075645
+//
+// rayon::ThreadPoolBuilder (used below) executes spawn handler to populate the worker pool,
+// and then blocks the current thread until each worker unblocks its (opaque) lock.
+//
+// Normally, we could use postMessage directly inside the spawn handler to
+// post module + memory + threadPtr to each worker, and the block the current thread.
+//
+// However, that bug means that postMessage is currently delayed until the next event loop,
+// which will never spin since we block the current thread, and so the other workers will
+// never be able to unblock us.
+//
+// To work around this problem, we:
+// 1) Expose `worker_initializer` that returns module + memory pair (without threadPtr)
+//    that workers can be initialised with to become native threads.
+//    JavaScript can postMessage this pair in advance, and asynchronously wait for workers
+//    to acknowledge the receipt.
+// 2) Create a global communication channel on the Rust side using crossbeam.
+//    It will be used to send threadPtr to the pre-initialised workers
+//    instead of postMessage.
+// 3) Provide a separate `start_main_thread` that expects all workers to be ready,
+//    and just uses the provided channel to send `threadPtr`s using the
+//    shared memory and blocks the current thread until they're all grabbed.
+// 4) Provide a `worker_initializer` that is expected to be invoked from various workers,
+//    reads one `threadPtr` from the shared channel and starts running it.
+static CHANNEL: OnceCell<(Sender<rayon::ThreadBuilder>, Receiver<rayon::ThreadBuilder>)> = OnceCell::new();
+
+#[wasm_bindgen]
+pub fn worker_initializer(num: usize) -> JsValue {
+    CHANNEL.get_or_init(|| bounded(num));
+    array_of_2(wasm_bindgen::module(), wasm_bindgen::memory())
+}
+
+#[wasm_bindgen]
+pub fn start_main_thread() {
+    let (sender, _) = CHANNEL.get().unwrap();
+
+    rayon::ThreadPoolBuilder::new()
+        .num_threads(sender.capacity().unwrap())
+        .spawn_handler(|thread| Ok(sender.send(thread).unwrap_throw()))
+        .build_global()
+        .unwrap_throw()
+}
+
+#[wasm_bindgen]
+pub fn start_worker_thread() {
+    let (_, receiver) = CHANNEL.get().unwrap();
+    receiver.recv().unwrap_throw().run()
+}

codecs/oxipng/worker.ts

@@ -0,0 +1,24 @@
+/// <reference lib="webworker" />
+
+import initOxiPNG, { start_worker_thread } from './pkg-parallel';
+
+export type WorkerInit = [WebAssembly.Module, WebAssembly.Memory];
+
+addEventListener(
+  'message',
+  async (event) => {
+    // Tell the "main" thread that we've received the message.
+    //
+    // At this point, the "main" thread can run Wasm that
+    // will synchronously block waiting on other atomics.
+    //
+    // Note that we don't need to wait for Wasm instantiation here - it's
+    // better to start main thread as early as possible, and then it blocks
+    // on a shared atomic anyway until Worker is fully ready.
+    postMessage(null);
+
+    await initOxiPNG(...(event.data as WorkerInit));
+    start_worker_thread();
+  },
+  { once: true },
+);

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/rust.Dockerfile

@@ -1,9 +1,13 @@
+ARG RUST_IMG=rust:1.44-stretch
+
 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
+FROM $RUST_IMG AS rust
+ARG RUST_IMG
 RUN rustup target add wasm32-unknown-unknown
+RUN rustup component add rust-src
 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/

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/README.md

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

codecs/webp/dec/example.html

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

codecs/webp/dec/webp_dec.d.ts

@@ -2,4 +2,4 @@ interface WebPModule extends EmscriptenWasm.Module {
   decode(data: BufferSource): ImageData | null;
 }
 
-export default function(opts: EmscriptenWasm.ModuleOpts): WebPModule;
+export default function(opts: EmscriptenWasm.ModuleOpts): Promise<WebPModule>;

codecs/webp/dec/webp_dec.js

@@ -11,47 +11,47 @@ var d;d||(d=typeof webp_dec !== 'undefined' ? webp_dec : {});var aa,ba;d.ready=n
 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;
+d.noExitRuntime&&(noExitRuntime=d.noExitRuntime);"object"!==typeof WebAssembly&&B("no native wasm support detected");var E,ha=new WebAssembly.Table({initial:123,maximum:123,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={};
+E&&(J=E.buffer);wa=J.byteLength;va(J);I[3188]=5255792;function M(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(d);else{var c=b.M;"number"===typeof c?void 0===b.J?d.dynCall_v(c):d.dynCall_vi(c,b.J):c(void 0===b.J?null:b.J)}}}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}
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+y&&(p+="var destructors = [];\n");var Ua=y?"destructors":"null";K="throwBindingError invoker fn runDestructors retType classParam".split(" ");q=[V,q,g,Za,h[0],h[1]];r&&(p+="var thisWired = classParam.toWireType("+Ua+", this);\n");for(l=0;l<m-2;++l)p+="var arg"+l+"Wired = argType"+l+".toWireType("+Ua+", arg"+l+"); // "+h[l+2].name+"\n",K.push("argType"+l),q.push(h[l+2]);r&&(O="thisWired"+(0<O.length?", ":"")+O);p+=(Ta?"var rv = ":"")+"invoker(fn"+(0<O.length?", ":"")+O+");\n";if(y)p+="runDestructors(destructors);\n";
+else for(l=r?1:2;l<h.length;++l)m=1===l?"thisWired":"arg"+(l-2)+"Wired",null!==h[l].I&&(p+=m+"_dtor("+m+"); // "+h[l].name+"\n",K.push(m+"_dtor"),q.push(h[l].I));Ta&&(p+="var ret = retType.fromWireType(rv);\nreturn ret;\n");K.push(p+"}\n");h=Ya(K).apply(null,q);l=b-1;if(!d.hasOwnProperty(k))throw new Pa("Replacing nonexistant public symbol");void 0!==d[k].H&&void 0!==l?d[k].H[l]=h:(d[k]=h,d[k].L=l);return[]})},b:function(a,b,c,e,f){function g(p){return p}b=R(b);-1===f&&(f=4294967295);var n=Ja(c);
+if(0===e){var k=32-8*c;g=function(p){return p<<k>>>k}}var h=-1!=b.indexOf("unsigned");W(a,{name:b,fromWireType:g,toWireType:function(p,q){if("number"!==typeof q&&"boolean"!==typeof q)throw new TypeError('Cannot convert "'+Wa(q)+'" to '+this.name);if(q<e||q>f)throw new TypeError('Passing a number "'+Wa(q)+'" from JS side to C/C++ side to an argument of type "'+b+'", which is outside the valid range ['+e+", "+f+"]!");return h?q>>>0:q|0},argPackAdvance:8,readValueFromPointer:hb(b,n,0!==e),I:null})},
+a:function(a,b,c){function e(g){g>>=2;var n=L;return new f(J,n[g+1],n[g])}var f=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array][b];c=R(c);W(a,{name:c,fromWireType:e,argPackAdvance:8,readValueFromPointer:e},{N:!0})},h:function(a,b){b=R(b);var c="std::string"===b;W(a,{name:b,fromWireType:function(e){var f=L[e>>2];if(c)for(var g=e+4,n=0;n<=f;++n){var k=e+4+n;if(n==f||0==F[k]){if(g){var h=g;var p=F,q=h+(k-g);for(g=h;p[g]&&!(g>=q);)++g;if(16<g-h&&p.subarray&&
+ja)h=ja.decode(p.subarray(h,g));else{for(q="";h<g;){var m=p[h++];if(m&128){var r=p[h++]&63;if(192==(m&224))q+=String.fromCharCode((m&31)<<6|r);else{var y=p[h++]&63;m=224==(m&240)?(m&15)<<12|r<<6|y:(m&7)<<18|r<<12|y<<6|p[h++]&63;65536>m?q+=String.fromCharCode(m):(m-=65536,q+=String.fromCharCode(55296|m>>10,56320|m&1023))}}else q+=String.fromCharCode(m)}h=q}}else h="";if(void 0===l)var l=h;else l+=String.fromCharCode(0),l+=h;g=k+1}}else{l=Array(f);for(n=0;n<f;++n)l[n]=String.fromCharCode(F[e+4+n]);
+l=l.join("")}Z(e);return l},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||V("Cannot pass non-string to std::string");var n=(c&&g?function(){for(var p=0,q=0;q<f.length;++q){var m=f.charCodeAt(q);55296<=m&&57343>=m&&(m=65536+((m&1023)<<10)|f.charCodeAt(++q)&1023);127>=m?++p:p=2047>=m?p+2:65535>=m?p+3:p+4}return p}:function(){return f.length})(),k=ob(4+n+1);L[k>>2]=
+n;if(c&&g)ka(f,k+4,n+1);else if(g)for(g=0;g<n;++g){var h=f.charCodeAt(g);255<h&&(Z(k),V("String has UTF-16 code units that do not fit in 8 bits"));F[k+4+g]=h}else for(g=0;g<n;++g)F[k+4+g]=f[g];null!==e&&e.push(Z,k);return k},argPackAdvance:8,readValueFromPointer:Va,I:function(e){Z(e)}})},g:function(a,b,c){c=R(c);if(2===b){var e=ma;var f=na;var g=oa;var n=function(){return G};var k=1}else 4===b&&(e=pa,f=qa,g=ra,n=function(){return L},k=2);W(a,{name:c,fromWireType:function(h){for(var p=L[h>>2],q=n(),
+m,r=h+4,y=0;y<=p;++y){var l=h+4+y*b;if(y==p||0==q[l>>k])r=e(r,l-r),void 0===m?m=r:(m+=String.fromCharCode(0),m+=r),r=l+b}Z(h);return m},toWireType:function(h,p){"string"!==typeof p&&V("Cannot pass non-string to C++ string type "+c);var q=g(p),m=ob(4+q+b);L[m>>2]=q>>k;f(p,m+4,q+b);null!==h&&h.push(Z,m);return m},argPackAdvance:8,readValueFromPointer:Va,I:function(h){Z(h)}})},o:function(a,b){b=R(b);W(a,{O:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},d:Sa,e:function(a){if(0===
+a)return Y(jb());var b=ib[a];a=void 0===b?R(a):b;return Y(jb()[a])},j:function(a){4<a&&(X[a].K+=1)},k:function(a,b,c,e){a||V("Cannot use deleted val. handle = "+a);a=X[a].value;var f=lb[b];if(!f){f="";for(var g=0;g<b;++g)f+=(0!==g?", ":"")+"arg"+g;var n="return function emval_allocator_"+b+"(constructor, argTypes, args) {\n";for(g=0;g<b;++g)n+="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",n+("var obj = new constructor("+f+");\nreturn __emval_register(obj);\n}\n")))(kb,d,Y);lb[b]=f}return f(a,c,e)},l:function(){B()},p: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%65536&&(e+=65536-e%65536);a:{try{E.grow(Math.min(2147483648,e)-J.byteLength+65535>>>
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-(function(){function a(f){d.asm=f.exports;N--;d.monitorRunDependencies&&d.monitorRunDependencies(N);0==N&&(null!==Ca&&(clearInterval(Ca),Ca=null),P&&(f=P,P=null,f()))}function b(f){a(f.instance)}function c(f){return Ha().then(function(g){return WebAssembly.instantiate(g,e)}).then(f,function(g){C("failed to asynchronously prepare wasm: "+g);B(g)})}var e={a:qb};N++;d.monitorRunDependencies&&d.monitorRunDependencies(N);if(d.instantiateWasm)try{return d.instantiateWasm(e,a)}catch(f){return C("Module.instantiateWasm callback failed with error: "+
+(function(){function a(f){d.asm=f.exports;N--;d.monitorRunDependencies&&d.monitorRunDependencies(N);0==N&&(null!==Ca&&(clearInterval(Ca),Ca=null),P&&(f=P,P=null,f()))}function b(f){a(f.instance)}function c(f){return Ha().then(function(g){return WebAssembly.instantiate(g,e)}).then(f,function(g){C("failed to asynchronously prepare wasm: "+g);B(g)})}var e={a:pb};N++;d.monitorRunDependencies&&d.monitorRunDependencies(N);if(d.instantiateWasm)try{return d.instantiateWasm(e,a)}catch(f){return C("Module.instantiateWasm callback failed with error: "+
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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)};
-d.dynCall_iii=function(){return(d.dynCall_iii=d.asm.y).apply(null,arguments)};d.dynCall_vii=function(){return(d.dynCall_vii=d.asm.z).apply(null,arguments)};d.dynCall_ii=function(){return(d.dynCall_ii=d.asm.A).apply(null,arguments)};d.dynCall_i=function(){return(d.dynCall_i=d.asm.B).apply(null,arguments)};d.dynCall_vi=function(){return(d.dynCall_vi=d.asm.C).apply(null,arguments)};d.dynCall_iiii=function(){return(d.dynCall_iiii=d.asm.D).apply(null,arguments)};
-d.dynCall_iiiiiii=function(){return(d.dynCall_iiiiiii=d.asm.E).apply(null,arguments)};d.dynCall_viiii=function(){return(d.dynCall_viiii=d.asm.F).apply(null,arguments)};d.dynCall_viiiii=function(){return(d.dynCall_viiiii=d.asm.G).apply(null,arguments)};d.dynCall_viiiiiiiii=function(){return(d.dynCall_viiiiiiiii=d.asm.H).apply(null,arguments)};d.dynCall_viiiiii=function(){return(d.dynCall_viiiiii=d.asm.I).apply(null,arguments)};var rb;P=function sb(){rb||tb();rb||(P=sb)};
-function tb(){function a(){if(!rb&&(rb=!0,d.calledRun=!0,!ia)){M(ya);M(za);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();Aa.unshift(b)}M(Aa)}}if(!(0<N)){if(d.preRun)for("function"==typeof d.preRun&&(d.preRun=[d.preRun]);d.preRun.length;)Ba();M(xa);0<N||(d.setStatus?(d.setStatus("Running..."),setTimeout(function(){setTimeout(function(){d.setStatus("")},1);a()},1)):a())}}
-d.run=tb;if(d.preInit)for("function"==typeof d.preInit&&(d.preInit=[d.preInit]);0<d.preInit.length;)d.preInit.pop()();noExitRuntime=!0;tb();
+var Ia=d.___wasm_call_ctors=function(){return(Ia=d.___wasm_call_ctors=d.asm.r).apply(null,arguments)},ob=d._malloc=function(){return(ob=d._malloc=d.asm.s).apply(null,arguments)},Z=d._free=function(){return(Z=d._free=d.asm.t).apply(null,arguments)},fb=d.___getTypeName=function(){return(fb=d.___getTypeName=d.asm.u).apply(null,arguments)};d.___embind_register_native_and_builtin_types=function(){return(d.___embind_register_native_and_builtin_types=d.asm.v).apply(null,arguments)};
+d.dynCall_iii=function(){return(d.dynCall_iii=d.asm.w).apply(null,arguments)};d.dynCall_vii=function(){return(d.dynCall_vii=d.asm.x).apply(null,arguments)};d.dynCall_ii=function(){return(d.dynCall_ii=d.asm.y).apply(null,arguments)};d.dynCall_i=function(){return(d.dynCall_i=d.asm.z).apply(null,arguments)};d.dynCall_vi=function(){return(d.dynCall_vi=d.asm.A).apply(null,arguments)};d.dynCall_iiiiiii=function(){return(d.dynCall_iiiiiii=d.asm.B).apply(null,arguments)};
+d.dynCall_viiiiiiiii=function(){return(d.dynCall_viiiiiiiii=d.asm.C).apply(null,arguments)};d.dynCall_viiiii=function(){return(d.dynCall_viiiii=d.asm.D).apply(null,arguments)};d.dynCall_iiii=function(){return(d.dynCall_iiii=d.asm.E).apply(null,arguments)};d.dynCall_viiii=function(){return(d.dynCall_viiii=d.asm.F).apply(null,arguments)};d.dynCall_viiiiii=function(){return(d.dynCall_viiiiii=d.asm.G).apply(null,arguments)};var qb;P=function rb(){qb||sb();qb||(P=rb)};
+function sb(){function a(){if(!qb&&(qb=!0,d.calledRun=!0,!ia)){M(ya);M(za);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();Aa.unshift(b)}M(Aa)}}if(!(0<N)){if(d.preRun)for("function"==typeof d.preRun&&(d.preRun=[d.preRun]);d.preRun.length;)Ba();M(xa);0<N||(d.setStatus?(d.setStatus("Running..."),setTimeout(function(){setTimeout(function(){d.setStatus("")},1);a()},1)):a())}}
+d.run=sb;if(d.preInit)for("function"==typeof d.preInit&&(d.preInit=[d.preInit]);0<d.preInit.length;)d.preInit.pop()();noExitRuntime=!0;sb();
 
 
   return webp_dec.ready

codecs/webp/enc/example.html

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

codecs/webp/enc/webp_enc.d.ts

@@ -4,4 +4,4 @@ interface WebPModule extends EmscriptenWasm.Module {
   encode(data: BufferSource, width: number, height: number, options: EncodeOptions): Uint8Array | null;
 }
 
-export default function(opts: EmscriptenWasm.ModuleOpts): WebPModule;
+export default function(opts: EmscriptenWasm.ModuleOpts): Promise<WebPModule>;

codecs/webp/enc/webp_enc.js

@@ -11,52 +11,52 @@ var d;d||(d=typeof webp_enc !== 'undefined' ? webp_enc : {});var aa,ba;d.ready=n
 if(ca)y=x?require("path").dirname(y)+"/":__dirname+"/",A=function(a,b){ea||(ea=require("fs"));fa||(fa=require("path"));a=fa.normalize(a);return ea.readFileSync(a,b?null:"utf8")},B=function(a){a=A(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),d.inspect=function(){return"[Emscripten Module object]"};
 else if(da)"undefined"!=typeof read&&(A=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(w||x)x?y=self.location.href:document.currentScript&&(y=document.currentScript.src),_scriptDir&&
 (y=_scriptDir),0!==y.indexOf("blob:")?y=y.substr(0,y.lastIndexOf("/")+1):y="",A=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.send(null);return b.responseText},x&&(B=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 D=d.printErr||console.warn.bind(console);for(u in r)r.hasOwnProperty(u)&&(d[u]=r[u]);r=null;var E;d.wasmBinary&&(E=d.wasmBinary);var noExitRuntime;
-d.noExitRuntime&&(noExitRuntime=d.noExitRuntime);"object"!==typeof WebAssembly&&C("no native wasm support detected");var G,ha=new WebAssembly.Table({initial:125,maximum:125,element:"anyfunc"}),ia=!1,ja="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
+d.noExitRuntime&&(noExitRuntime=d.noExitRuntime);"object"!==typeof WebAssembly&&C("no native wasm support detected");var G,ha=new WebAssembly.Table({initial:114,maximum:114,element:"anyfunc"}),ja=!1,ka="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
 function la(a,b,c){var e=H;if(0<c){c=b+c-1;for(var f=0;f<a.length;++f){var g=a.charCodeAt(f);if(55296<=g&&57343>=g){var l=a.charCodeAt(++f);g=65536+((g&1023)<<10)|l&1023}if(127>=g){if(b>=c)break;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 ma="undefined"!==typeof TextDecoder?new TextDecoder("utf-16le"):void 0;
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 function qa(a,b){for(var c=0,e="";!(c>=b/4);){var f=K[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 ra(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 l=a.charCodeAt(++f);g=65536+((g&1023)<<10)|l&1023}K[b>>2]=g;b+=4;if(b+4>c)break}K[b>>2]=0;return b-e}
 function sa(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 L,M,H,J,I,K,N,ta,ua;function va(a){L=a;d.HEAP8=M=new Int8Array(a);d.HEAP16=J=new Int16Array(a);d.HEAP32=K=new Int32Array(a);d.HEAPU8=H=new Uint8Array(a);d.HEAPU16=I=new Uint16Array(a);d.HEAPU32=N=new Uint32Array(a);d.HEAPF32=ta=new Float32Array(a);d.HEAPF64=ua=new Float64Array(a)}var wa=d.INITIAL_MEMORY||16777216;d.wasmMemory?G=d.wasmMemory:G=new WebAssembly.Memory({initial:wa/65536,maximum:32768});
-G&&(L=G.buffer);wa=L.byteLength;va(L);K[8648]=5277632;function xa(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(d);else{var c=b.Z;"number"===typeof c?void 0===b.T?d.dynCall_v(c):d.dynCall_vi(c,b.T):c(void 0===b.T?null:b.T)}}}var ya=[],za=[],Aa=[],Ba=[];function Ca(){var a=d.preRun.shift();ya.unshift(a)}var O=0,Da=null,P=null;d.preloadedImages={};d.preloadedAudios={};
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+return[]})},c:function(a,b,c,e,f){function g(m){return m}b=U(b);-1===f&&(f=4294967295);var l=Ta(c);if(0===e){var k=32-8*c;g=function(m){return m<<k>>>k}}var h=-1!=b.indexOf("unsigned");T(a,{name:b,fromWireType:g,toWireType:function(m,q){if("number"!==typeof q&&"boolean"!==typeof q)throw new TypeError('Cannot convert "'+eb(q)+'" to '+this.name);if(q<e||q>f)throw new TypeError('Passing a number "'+eb(q)+'" from JS side to C/C++ side to an argument of type "'+b+'", which is outside the valid range ['+
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+p+=h;g=k+1}}else{p=Array(f);for(l=0;l<f;++l)p[l]=String.fromCharCode(H[e+4+l]);p=p.join("")}Y(e);return p},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||V("Cannot pass non-string to std::string");var l=(c&&g?function(){for(var m=0,q=0;q<f.length;++q){var n=f.charCodeAt(q);55296<=n&&57343>=n&&(n=65536+((n&1023)<<10)|f.charCodeAt(++q)&1023);127>=n?++m:m=2047>=n?m+
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+k=2);T(a,{name:c,fromWireType:function(h){for(var m=N[h>>2],q=l(),n,t=h+4,v=0;v<=m;++v){var p=h+4+v*b;if(v==m||0==q[p>>k])t=e(t,p-t),void 0===n?n=t:(n+=String.fromCharCode(0),n+=t),t=p+b}Y(h);return n},toWireType:function(h,m){"string"!==typeof m&&V("Cannot pass non-string to C++ string type "+c);var q=g(m),n=qb(4+q+b);N[n>>2]=q>>k;f(m,n+4,q+b);null!==h&&h.push(Y,n);return n},argPackAdvance:8,readValueFromPointer:Ma,N:function(h){Y(h)}})},m:function(a,b,c,e,f,g){Ka[a]={name:U(b),$:Z(c,e),aa:Z(f,g),
+S:[]}},a:function(a,b,c,e,f,g,l,k,h,m){Ka[a].S.push({U:U(b),Y:c,W:Z(e,f),X:g,da:l,ba:Z(k,h),ea:m})},s:function(a,b){b=U(b);T(a,{fa:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},f:Xa,u:function(a){if(0===a)return Ya(mb());var b=lb[a];a=void 0===b?U(a):b;return Ya(mb()[a])},t:function(a){4<a&&(X[a].R+=1)},o:function(a,b,c,e){a||V("Cannot use deleted val. handle = "+a);a=X[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")))(db,d,Ya);nb[b]=f}return f(a,c,e)},i:function(){C()},p:function(a,b,c){H.copyWithin(a,b,b+c)},
+d:function(a){a>>>=0;var b=H.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%65536&&(e+=65536-e%65536);a:{try{G.grow(Math.min(2147483648,e)-L.byteLength+65535>>>16);va(G.buffer);var f=1;break a}catch(g){}f=void 0}if(f)return!0}return!1},memory:G,table:ha};
+(function(){function a(f){d.asm=f.exports;O--;d.monitorRunDependencies&&d.monitorRunDependencies(O);0==O&&(null!==Da&&(clearInterval(Da),Da=null),P&&(f=P,P=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){D("failed to asynchronously prepare wasm: "+g);C(g)})}var e={a:rb};O++;d.monitorRunDependencies&&d.monitorRunDependencies(O);if(d.instantiateWasm)try{return d.instantiateWasm(e,a)}catch(f){return D("Module.instantiateWasm callback failed with error: "+
 f),!1}(function(){if(E||"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){D("wasm streaming compile failed: "+g);D("falling back to ArrayBuffer instantiation");return c(b)})})})();return{}})();
-var Ja=d.___wasm_call_ctors=function(){return(Ja=d.___wasm_call_ctors=d.asm.y).apply(null,arguments)},rb=d._malloc=function(){return(rb=d._malloc=d.asm.z).apply(null,arguments)},Y=d._free=function(){return(Y=d._free=d.asm.A).apply(null,arguments)},db=d.___getTypeName=function(){return(db=d.___getTypeName=d.asm.B).apply(null,arguments)};d.___embind_register_native_and_builtin_types=function(){return(d.___embind_register_native_and_builtin_types=d.asm.C).apply(null,arguments)};
-d.dynCall_i=function(){return(d.dynCall_i=d.asm.D).apply(null,arguments)};d.dynCall_vi=function(){return(d.dynCall_vi=d.asm.E).apply(null,arguments)};d.dynCall_iii=function(){return(d.dynCall_iii=d.asm.F).apply(null,arguments)};d.dynCall_viii=function(){return(d.dynCall_viii=d.asm.G).apply(null,arguments)};d.dynCall_fii=function(){return(d.dynCall_fii=d.asm.H).apply(null,arguments)};d.dynCall_viif=function(){return(d.dynCall_viif=d.asm.I).apply(null,arguments)};
-d.dynCall_ii=function(){return(d.dynCall_ii=d.asm.J).apply(null,arguments)};d.dynCall_iiiiii=function(){return(d.dynCall_iiiiii=d.asm.K).apply(null,arguments)};d.dynCall_viiiii=function(){return(d.dynCall_viiiii=d.asm.L).apply(null,arguments)};d.dynCall_iiii=function(){return(d.dynCall_iiii=d.asm.M).apply(null,arguments)};d.dynCall_viiiiiiiii=function(){return(d.dynCall_viiiiiiiii=d.asm.N).apply(null,arguments)};d.dynCall_viiii=function(){return(d.dynCall_viiii=d.asm.O).apply(null,arguments)};
-d.dynCall_viiiiii=function(){return(d.dynCall_viiiiii=d.asm.P).apply(null,arguments)};var tb;P=function ub(){tb||vb();tb||(P=ub)};
-function vb(){function a(){if(!tb&&(tb=!0,d.calledRun=!0,!ia)){xa(za);xa(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)}xa(Ba)}}if(!(0<O)){if(d.preRun)for("function"==typeof d.preRun&&(d.preRun=[d.preRun]);d.preRun.length;)Ca();xa(ya);0<O||(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();
+var Ja=d.___wasm_call_ctors=function(){return(Ja=d.___wasm_call_ctors=d.asm.w).apply(null,arguments)},qb=d._malloc=function(){return(qb=d._malloc=d.asm.x).apply(null,arguments)},Y=d._free=function(){return(Y=d._free=d.asm.y).apply(null,arguments)},cb=d.___getTypeName=function(){return(cb=d.___getTypeName=d.asm.z).apply(null,arguments)};d.___embind_register_native_and_builtin_types=function(){return(d.___embind_register_native_and_builtin_types=d.asm.A).apply(null,arguments)};
+d.dynCall_i=function(){return(d.dynCall_i=d.asm.B).apply(null,arguments)};d.dynCall_vi=function(){return(d.dynCall_vi=d.asm.C).apply(null,arguments)};d.dynCall_iii=function(){return(d.dynCall_iii=d.asm.D).apply(null,arguments)};d.dynCall_viii=function(){return(d.dynCall_viii=d.asm.E).apply(null,arguments)};d.dynCall_fii=function(){return(d.dynCall_fii=d.asm.F).apply(null,arguments)};d.dynCall_viif=function(){return(d.dynCall_viif=d.asm.G).apply(null,arguments)};
+d.dynCall_ii=function(){return(d.dynCall_ii=d.asm.H).apply(null,arguments)};d.dynCall_iiiiii=function(){return(d.dynCall_iiiiii=d.asm.I).apply(null,arguments)};d.dynCall_viiiii=function(){return(d.dynCall_viiiii=d.asm.J).apply(null,arguments)};d.dynCall_iiii=function(){return(d.dynCall_iiii=d.asm.K).apply(null,arguments)};d.dynCall_viiii=function(){return(d.dynCall_viiii=d.asm.L).apply(null,arguments)};d.dynCall_viiiiii=function(){return(d.dynCall_viiiiii=d.asm.M).apply(null,arguments)};var sb;
+P=function tb(){sb||ub();sb||(P=tb)};
+function ub(){function a(){if(!sb&&(sb=!0,d.calledRun=!0,!ja)){xa(za);xa(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)}xa(Ba)}}if(!(0<O)){if(d.preRun)for("function"==typeof d.preRun&&(d.preRun=[d.preRun]);d.preRun.length;)Ca();xa(ya);0<O||(d.setStatus?(d.setStatus("Running..."),setTimeout(function(){setTimeout(function(){d.setStatus("")},1);a()},1)):a())}}
+d.run=ub;if(d.preInit)for("function"==typeof d.preInit&&(d.preInit=[d.preInit]);0<d.preInit.length;)d.preInit.pop()();noExitRuntime=!0;ub();
 
 
   return webp_enc.ready

emscripten-wasm.d.ts

@@ -6,6 +6,7 @@ declare namespace EmscriptenWasm {
   // Options object for modularized Emscripten files. Shoe-horned by @surma.
   // FIXME: This an incomplete definition!
   interface ModuleOpts {
+    mainScriptUrlOrBlob?: string;
     noInitialRun?: boolean;
     locateFile?: (url: string) => string;
     onRuntimeInitialized?: () => void;

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "squoosh",
-  "version": "1.11.4",
+  "version": "1.12.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -4639,6 +4639,12 @@
         "minimalistic-crypto-utils": "^1.0.0"
       }
     },
+    "emoji-regex": {
+      "version": "7.0.3",
+      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
+      "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==",
+      "dev": true
+    },
     "emojis-list": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/emojis-list/-/emojis-list-2.1.0.tgz",
@@ -6392,22 +6398,14 @@
       }
     },
     "globule": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/globule/-/globule-1.3.1.tgz",
-      "integrity": "sha512-OVyWOHgw29yosRHCHo7NncwR1hW5ew0W/UrvtwvjefVJeQ26q4/8r8FmPsSF1hJ93IgWkyv16pCTz6WblMzm/g==",
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/globule/-/globule-1.3.2.tgz",
+      "integrity": "sha512-7IDTQTIu2xzXkT+6mlluidnWo+BypnbSoEVVQCGfzqnl5Ik8d3e1d4wycb8Rj9tWW+Z39uPWsdlquqiqPCd/pA==",
       "dev": true,
       "requires": {
         "glob": "~7.1.1",
-        "lodash": "~4.17.12",
+        "lodash": "~4.17.10",
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@@ -7451,7 +7449,7 @@
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-      "resolved": "http://registry.npmjs.org/is-obj/-/is-obj-1.0.1.tgz",
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@@ -8603,9 +8601,9 @@
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@@ -9785,9 +9783,9 @@
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+      "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.14.1.tgz",
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@@ -9804,15 +9802,15 @@
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         "npmlog": "^4.0.0",
         "request": "^2.88.0",
-        "sass-graph": "^2.2.4",
+        "sass-graph": "2.2.5",
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         "true-case-path": "^1.0.2"
       },
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-          "version": "6.12.0",
-          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.0.tgz",
-          "integrity": "sha512-D6gFiFA0RRLyUbvijN74DWAjXSFxWKaWP7mldxkVhyhAV3+SWA9HEJPHQ2c9soIeTFJqcSdFDGFgdqs1iUU2Hw==",
+          "version": "6.12.5",
+          "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.5.tgz",
+          "integrity": "sha512-lRF8RORchjpKG50/WFf8xmg7sgCLFiYNNnqdKflk63whMQcWR5ngGjiSXkL9bjxy6B2npOK2HSMN49jEBMSkag==",
           "dev": true,
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@@ -9857,9 +9855,9 @@
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-          "version": "3.1.1",
-          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.1.tgz",
-          "integrity": "sha512-8UEa58QDLauDNfpbrX55Q9jrGHThw2ZMdOky5Gl1CDtVeJDPVrG4Jxx1N8jw2gkWaff5UUuX1KJd+9zGe2B+ZA==",
+          "version": "3.1.3",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+          "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==",
           "dev": true
         },
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@@ -9869,25 +9867,25 @@
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-          "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.3.tgz",
-          "integrity": "sha512-sNvOCzEQNr/qrvJgc3UG/kD4QtlHycrzwS+6mfTrrSq97BvaYcPZZI1ZSqGSPR73Cxn4LKTD4PttRwfU7jWq5g==",
+          "version": "5.1.5",
+          "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.5.tgz",
+          "integrity": "sha512-nmT2T0lljbxdQZfspsno9hgrG3Uir6Ks5afism62poxqBM6sDnMEuPmzTq8XN0OEwqKLLdh1jQI3qyE66Nzb3w==",
           "dev": true,
           "requires": {
-            "ajv": "^6.5.5",
+            "ajv": "^6.12.3",
             "har-schema": "^2.0.0"
           }
         },
         "lodash": {
-          "version": "4.17.15",
-          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
+          "version": "4.17.20",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
+          "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==",
           "dev": true
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-          "version": "2.14.0",
-          "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.0.tgz",
-          "integrity": "sha512-INOFj37C7k3AfaNTtX8RhsTw7qRy7eLET14cROi9+5HAVbbHuIWUHEauBv5qT4Av2tWasiTY1Jw6puUNqRJXQg==",
+          "version": "2.14.1",
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.1.tgz",
+          "integrity": "sha512-isWHgVjnFjh2x2yuJ/tj3JbwoHu3UC2dX5G/88Cm24yB6YopVgxvBObDY7n5xW6ExmFhJpSEQqFPvq9zaXc8Jw==",
           "dev": true
         },
         "oauth-sign": {
@@ -10246,15 +10244,6 @@
       "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M=",
       "dev": true
     },
-    "os-locale": {
-      "version": "1.4.0",
-      "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
-      "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
-      "dev": true,
-      "requires": {
-        "lcid": "^1.0.0"
-      }
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@@ -12884,15 +12873,15 @@
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-      "integrity": "sha1-E/vWPNHK8JCLn9k0dq1DpR0eC0k=",
+      "version": "2.2.5",
+      "resolved": "https://registry.npmjs.org/sass-graph/-/sass-graph-2.2.5.tgz",
+      "integrity": "sha512-VFWDAHOe6mRuT4mZRd4eKE+d8Uedrk6Xnh7Sh9b4NGufQLQjOrvf/MQoOdx+0s92L89FeyUUNfU597j/3uNpag==",
       "dev": true,
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         "glob": "^7.0.0",
         "lodash": "^4.0.0",
         "scss-tokenizer": "^0.2.3",
-        "yargs": "^7.0.0"
+        "yargs": "^13.3.2"
       }
     },
     "sass-loader": {
@@ -15354,6 +15343,12 @@
         "makeerror": "1.0.x"
       }
     },
+    "wasm-feature-detect": {
+      "version": "1.2.9",
+      "resolved": "https://registry.npmjs.org/wasm-feature-detect/-/wasm-feature-detect-1.2.9.tgz",
+      "integrity": "sha512-2E9/gtLVLpv2wnZDyYv8WY2dR9gHbmyv5uhZsnOcMSzqc78aGZpKQORPNcnrPwAU23nFUo7GAwKuoTAWRgsJ7Q==",
+      "dev": true
+    },
     "watchpack": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-1.6.0.tgz",
@@ -16159,9 +16154,9 @@
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-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/which-module/-/which-module-1.0.0.tgz",
-      "integrity": "sha1-u6Y8qGGUiZT/MHc2CJ47lgJsKk8=",
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
+      "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho=",
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     "wide-align": {
@@ -16289,53 +16284,148 @@
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-      "resolved": "https://registry.npmjs.org/yargs/-/yargs-7.1.0.tgz",
-      "integrity": "sha1-a6MY6xaWFyf10oT46gA+jWFU0Mg=",
+      "version": "13.3.2",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-13.3.2.tgz",
+      "integrity": "sha512-AX3Zw5iPruN5ie6xGRIDgqkT+ZhnRlZMLMHAs8tg7nRruy2Nb+i5o9bwghAogtM08q1dpr2LVoS8KSTMYpWXUw==",
       "dev": true,
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-        "camelcase": "^3.0.0",
-        "cliui": "^3.2.0",
-        "decamelize": "^1.1.1",
-        "get-caller-file": "^1.0.1",
-        "os-locale": "^1.4.0",
-        "read-pkg-up": "^1.0.1",
+        "cliui": "^5.0.0",
+        "find-up": "^3.0.0",
+        "get-caller-file": "^2.0.1",
         "require-directory": "^2.1.1",
-        "require-main-filename": "^1.0.1",
+        "require-main-filename": "^2.0.0",
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-        "string-width": "^1.0.2",
-        "which-module": "^1.0.0",
-        "y18n": "^3.2.1",
-        "yargs-parser": "^5.0.0"
+        "string-width": "^3.0.0",
+        "which-module": "^2.0.0",
+        "y18n": "^4.0.0",
+        "yargs-parser": "^13.1.2"
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-          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
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-          "integrity": "sha1-bRX7qITAhnnA136I53WegR4H+kE=",
+        "cliui": {
+          "version": "5.0.0",
+          "resolved": "https://registry.npmjs.org/cliui/-/cliui-5.0.0.tgz",
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+            "strip-ansi": "^5.2.0",
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+          "version": "2.0.5",
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+          "dev": true,
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+            "is-fullwidth-code-point": "^2.0.0",
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+          "dev": true,
+          "requires": {
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+          }
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+        "wrap-ansi": {
+          "version": "5.1.0",
+          "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-5.1.0.tgz",
+          "integrity": "sha512-QC1/iN/2/RPVJ5jYK8BGttj5z83LmSKmvbvrXPNCLZSEb32KKVDJDl/MOt2N01qU2H/FkzEa9PKto1BqDjtd7Q==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "^3.2.0",
+            "string-width": "^3.0.0",
+            "strip-ansi": "^5.0.0"
+          }
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     "yargs-parser": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-5.0.0.tgz",
-      "integrity": "sha1-J17PDX/+Bcd+ZOfIbkzZS/DhIoo=",
+      "version": "13.1.2",
+      "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-13.1.2.tgz",
+      "integrity": "sha512-3lbsNRf/j+A4QuSZfDRA7HRSfWrzO0YjqTJd5kjAq37Zep1CEgaYmrH9Q3GwPiB9cHyd1Y1UwggGhJGoxipbzg==",
       "dev": true,
       "requires": {
-        "camelcase": "^3.0.0"
+        "camelcase": "^5.0.0",
+        "decamelize": "^1.2.0"
       },
       "dependencies": {
         "camelcase": {
-          "version": "3.0.0",
-          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
-          "integrity": "sha1-MvxLn82vhF/N9+c7uXysImHwqwo=",
+          "version": "5.3.1",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-5.3.1.tgz",
+          "integrity": "sha512-L28STB170nwWS63UjtlEOE3dldQApaJXZkOI1uMFfzf3rRuPegHaHesyee+YxQ+W6SvRDQV6UrdOdRiR153wJg==",
           "dev": true
         }
       }

package.json

@@ -1,7 +1,7 @@
 {
   "private": true,
   "name": "squoosh",
-  "version": "1.11.4",
+  "version": "1.12.0",
   "license": "apache-2.0",
   "scripts": {
     "start": "webpack-dev-server --host 0.0.0.0 --hot",
@@ -44,7 +44,7 @@
     "mini-css-extract-plugin": "0.8.0",
     "minimatch": "3.0.4",
     "node-fetch": "2.6.0",
-    "node-sass": "4.13.0",
+    "node-sass": "4.14.1",
     "normalize-path": "^3.0.0",
     "optimize-css-assets-webpack-plugin": "5.0.1",
     "pointer-tracker": "2.0.3",
@@ -68,6 +68,7 @@
     "typed-css-modules": "0.4.2",
     "typescript": "3.5.3",
     "url-loader": "2.1.0",
+    "wasm-feature-detect": "^1.2.9",
     "webpack": "4.39.3",
     "webpack-bundle-analyzer": "3.4.1",
     "webpack-cli": "3.3.4",

src/codecs/avif/encoder-meta.ts

@@ -1,6 +1,8 @@
 export interface EncodeOptions {
   minQuantizer: number;
   maxQuantizer: number;
+  minQuantizerAlpha: number;
+  maxQuantizerAlpha: number;
   tileRowsLog2: number;
   tileColsLog2: number;
   speed: number;
@@ -12,12 +14,14 @@ export const label = 'AVIF';
 export const mimeType = 'image/avif';
 export const extension = 'avif';
 export const defaultOptions: EncodeOptions = {
-  minQuantizer: 16,
-  maxQuantizer: 16,
+  minQuantizer: 33,
+  maxQuantizer: 63,
+  minQuantizerAlpha: 33,
+  maxQuantizerAlpha: 63,
   tileColsLog2: 0,
   tileRowsLog2: 0,
-  speed: 10,
-  subsample: 0,
+  speed: 8,
+  subsample: 1,
 };
 
 export interface EncoderState { type: typeof type; options: EncodeOptions; }

src/codecs/avif/encoder.ts

@@ -1,12 +1,34 @@
-import avif_enc, { AVIFModule } from '../../../codecs/avif/enc/avif_enc';
-import wasmUrl from '../../../codecs/avif/enc/avif_enc.wasm';
+import mainUrlWithMT from 'file-loader!../../../codecs/avif/enc/avif_enc_mt.js';
+import { AVIFModule } from '../../../codecs/avif/enc/avif_enc.js';
+import wasmUrlWithoutMT from '../../../codecs/avif/enc/avif_enc.wasm';
+import wasmUrlWithMT from '../../../codecs/avif/enc/avif_enc_mt.wasm';
+import workerUrl from '../../../codecs/avif/enc/avif_enc_mt.worker.js';
 import { EncodeOptions } from './encoder-meta';
-import { initEmscriptenModule } from '../util';
+import { initEmscriptenModule, ModuleFactory } from '../util';
+import { threads } from 'wasm-feature-detect';
+
+declare const avif_enc_mt: ModuleFactory<AVIFModule>;
 
 let emscriptenModule: Promise<AVIFModule>;
 
+async function init() {
+  if (await threads()) {
+    importScripts(mainUrlWithMT);
+    return initEmscriptenModule<AVIFModule>(
+      avif_enc_mt,
+      wasmUrlWithMT,
+      workerUrl,
+      mainUrlWithMT,
+    );
+  }
+  return initEmscriptenModule(
+    (await import('../../../codecs/avif/enc/avif_enc.js')).default,
+    wasmUrlWithoutMT,
+  );
+}
+
 export async function encode(data: ImageData, options: EncodeOptions): Promise<ArrayBuffer> {
-  if (!emscriptenModule) emscriptenModule = initEmscriptenModule(avif_enc, wasmUrl);
+  if (!emscriptenModule) emscriptenModule = init();
 
   const module = await emscriptenModule;
   const result = module.encode(data.data, data.width, data.height, options);

src/codecs/avif/options.tsx

@@ -1,72 +1,307 @@
 import { h, Component } from 'preact';
-import { bind } from '../../lib/initial-util';
-import {
-  /*inputFieldCheckedAsNumber,*/ inputFieldValueAsNumber,
-  preventDefault,
-} from '../../lib/util';
-import { EncodeOptions } from './encoder-meta';
+import { preventDefault, shallowEqual } from '../../lib/util';
+import { EncodeOptions, defaultOptions } from './encoder-meta';
 import * as style from '../../components/Options/style.scss';
-// import Checkbox from '../../components/checkbox';
-// import Expander from '../../components/expander';
-// import Select from '../../components/select';
+import Checkbox from '../../components/checkbox';
+import Expander from '../../components/expander';
+import Select from '../../components/select';
 import Range from '../../components/range';
-// import linkState from 'linkstate';
+import linkState from 'linkstate';
 
 interface Props {
   options: EncodeOptions;
   onChange(newOptions: EncodeOptions): void;
 }
 
-interface State {}
+interface State {
+  options: EncodeOptions;
+  lossless: boolean;
+  maxQuality: number;
+  minQuality: number;
+  separateAlpha: boolean;
+  losslessAlpha: boolean;
+  maxAlphaQuality: number;
+  minAlphaQuality: number;
+  showAdvanced: boolean;
+  grayscale: boolean;
+  subsample: number;
+  tileRows: number;
+  tileCols: number;
+  effort: number;
+}
+
+const maxQuant = 63;
+const maxSpeed = 10;
 
 export default class AVIFEncoderOptions extends Component<Props, State> {
-  state: State = {};
+  static getDerivedStateFromProps(props: Props, state: State): Partial<State> | undefined {
+    if (state.options && shallowEqual(state.options, props.options)) return;
+    const { options } = props;
 
-  @bind
-  onChange(event: Event) {
-    const form = (event.currentTarget as HTMLInputElement).closest(
-      'form',
-    ) as HTMLFormElement;
-    const { options } = this.props;
-    const newOptions: EncodeOptions = {
-      // Copy over options the form doesn't currently care about, eg arithmetic
-      ...this.props.options,
-      minQuantizer: inputFieldValueAsNumber(
-        form.quantizer,
-        options.minQuantizer,
-      ),
-      maxQuantizer: inputFieldValueAsNumber(
-        form.quantizer,
-        options.maxQuantizer,
-      ),
-      speed: inputFieldValueAsNumber(form.speed, options.speed),
+    const lossless = options.maxQuantizer === 0 && options.minQuantizer === 0;
+    const minQuantizerValue = lossless ? defaultOptions.minQuantizer : options.minQuantizer;
+    const maxQuantizerValue = lossless ? defaultOptions.maxQuantizer : options.maxQuantizer;
+    const losslessAlpha = options.maxQuantizerAlpha === 0 && options.minQuantizerAlpha === 0;
+    const minQuantizerAlphaValue = losslessAlpha ?
+      defaultOptions.minQuantizerAlpha : options.minQuantizerAlpha;
+    const maxQuantizerAlphaValue = losslessAlpha ?
+      defaultOptions.maxQuantizerAlpha : options.maxQuantizerAlpha;
+
+    // Create default form state from options
+    return {
+      options,
+      lossless,
+      losslessAlpha,
+      maxQuality: maxQuant - minQuantizerValue,
+      minQuality: maxQuant - maxQuantizerValue,
+      separateAlpha: options.maxQuantizer !== options.maxQuantizerAlpha ||
+        options.minQuantizer !== options.minQuantizerAlpha,
+      maxAlphaQuality: maxQuant - minQuantizerAlphaValue,
+      minAlphaQuality: maxQuant - maxQuantizerAlphaValue,
+      grayscale: options.subsample === 0,
+      subsample: options.subsample === 0 || lossless ? defaultOptions.subsample : options.subsample,
+      tileRows: options.tileRowsLog2,
+      tileCols: options.tileColsLog2,
+      effort: maxSpeed - options.speed,
     };
-    this.props.onChange(newOptions);
   }
 
-  render({ options }: Props) {
+  // The rest of the defaults are set in getDerivedStateFromProps
+  state: State = {
+    showAdvanced: false,
+  } as State;
+
+  private _inputChangeCallbacks = new Map<string, (event: Event) => void>();
+
+  private _inputChange = (prop: keyof State, type: 'number' | 'boolean') => {
+    // Cache the callback for performance
+    if (!this._inputChangeCallbacks.has(prop)) {
+      this._inputChangeCallbacks.set(prop, (event: Event) => {
+        const formEl = event.target as HTMLInputElement | HTMLSelectElement;
+        const newVal = type === 'boolean' ?
+          'checked' in formEl ? formEl.checked : !!formEl.value :
+          Number(formEl.value);
+
+        const newState: Partial<State> = {
+          [prop]: newVal,
+        };
+
+        // Ensure that min cannot be greater than max
+        switch (prop) {
+          case 'maxQuality':
+            if (newVal < this.state.minQuality) {
+              newState.minQuality = newVal as number;
+            }
+            break;
+          case 'minQuality':
+            if (newVal > this.state.maxQuality) {
+              newState.maxQuality = newVal as number;
+            }
+            break;
+          case 'maxAlphaQuality':
+            if (newVal < this.state.minAlphaQuality) {
+              newState.minAlphaQuality = newVal as number;
+            }
+            break;
+          case 'minAlphaQuality':
+            if (newVal > this.state.maxAlphaQuality) {
+              newState.maxAlphaQuality = newVal as number;
+            }
+            break;
+        }
+
+        const optionState = {
+          ...this.state,
+          ...newState,
+        };
+
+        const maxQuantizer = optionState.lossless ? 0 : (maxQuant - optionState.minQuality);
+        const minQuantizer = optionState.lossless ? 0 : (maxQuant - optionState.maxQuality);
+
+        const newOptions: EncodeOptions = {
+          maxQuantizer,
+          minQuantizer,
+          maxQuantizerAlpha: optionState.separateAlpha ?
+            (optionState.losslessAlpha ? 0 : (maxQuant - optionState.minAlphaQuality)) :
+            maxQuantizer,
+          minQuantizerAlpha: optionState.separateAlpha ?
+            (optionState.losslessAlpha ? 0 : (maxQuant - optionState.maxAlphaQuality)) :
+            minQuantizer,
+          // Always set to 4:4:4 if lossless
+          subsample: optionState.grayscale ? 0 : optionState.lossless ? 3 : optionState.subsample,
+          tileColsLog2: optionState.tileCols,
+          tileRowsLog2: optionState.tileRows,
+          speed: maxSpeed - optionState.effort,
+        };
+
+        // Updating options, so we don't recalculate in getDerivedStateFromProps.
+        newState.options = newOptions;
+
+        this.setState(
+          // It isn't clear to me why I have to cast this :)
+          newState as State,
+        );
+
+        this.props.onChange(newOptions);
+      });
+    }
+
+    return this._inputChangeCallbacks.get(prop)!;
+  }
+
+  render(
+    _: Props,
+    {
+      effort, grayscale, lossless, losslessAlpha, maxAlphaQuality, maxQuality, minAlphaQuality,
+      minQuality, separateAlpha, showAdvanced, subsample, tileCols, tileRows,
+    }: State,
+  ) {
     return (
       <form class={style.optionsSection} onSubmit={preventDefault}>
+        <label class={style.optionInputFirst}>
+          <Checkbox
+            checked={lossless}
+            onChange={this._inputChange('lossless', 'boolean')}
+          />
+          Lossless
+        </label>
+        <Expander>
+          {!lossless && (
+            <div>
+              <div class={style.optionOneCell}>
+                <Range
+                  min="0"
+                  max="62"
+                  value={maxQuality}
+                  onInput={this._inputChange('maxQuality', 'number')}
+                >
+                  Max quality:
+                </Range>
+              </div>
+              <div class={style.optionOneCell}>
+                <Range
+                  min="0"
+                  max="62"
+                  value={minQuality}
+                  onInput={this._inputChange('minQuality', 'number')}
+                >
+                  Min quality:
+                </Range>
+              </div>
+            </div>
+          )}
+        </Expander>
+        <label class={style.optionInputFirst}>
+          <Checkbox
+            checked={separateAlpha}
+            onChange={this._inputChange('separateAlpha', 'boolean')}
+          />
+          Separate alpha quality
+        </label>
+        <Expander>
+        {separateAlpha && (
+            <div>
+              <label class={style.optionInputFirst}>
+                <Checkbox
+                  checked={losslessAlpha}
+                  onChange={this._inputChange('losslessAlpha', 'boolean')}
+                />
+                Lossless alpha
+              </label>
+              <Expander>
+                {!losslessAlpha &&
+                  <div>
+                    <div class={style.optionOneCell}>
+                      <Range
+                        min="0"
+                        max="62"
+                        value={maxAlphaQuality}
+                        onInput={this._inputChange('maxAlphaQuality', 'number')}
+                      >
+                        Max alpha quality:
+                      </Range>
+                    </div>
+                    <div class={style.optionOneCell}>
+                      <Range
+                        min="0"
+                        max="62"
+                        value={minAlphaQuality}
+                        onInput={this._inputChange('minAlphaQuality', 'number')}
+                      >
+                        Min alpha quality:
+                      </Range>
+                    </div>
+                  </div>
+                }
+              </Expander>
+            </div>
+          )}
+        </Expander>
+        <label class={style.optionInputFirst}>
+          <Checkbox
+            checked={showAdvanced}
+            onChange={linkState(this, 'showAdvanced')}
+          />
+          Show advanced settings
+        </label>
+        <Expander>
+          {showAdvanced &&
+            <div>
+              {/*<label class={style.optionInputFirst}>
+                <Checkbox
+                  data-set-state="grayscale"
+                  checked={grayscale}
+                  onChange={this._inputChange('grayscale', 'boolean')}
+                />
+                Grayscale
+              </label>*/}
+              <Expander>
+                {!grayscale && !lossless &&
+                  <label class={style.optionTextFirst}>
+                    Subsample chroma:
+                    <Select
+                      data-set-state="subsample"
+                      value={subsample}
+                      onChange={this._inputChange('subsample', 'number')}
+                    >
+                      <option value="1">4:2:0</option>
+                      {/*<option value="2">4:2:2</option>*/}
+                      <option value="3">4:4:4</option>
+                    </Select>
+                  </label>
+                }
+              </Expander>
+              <div class={style.optionOneCell}>
+                <Range
+                  min="0"
+                  max="6"
+                  value={tileRows}
+                  onInput={this._inputChange('tileRows', 'number')}
+                >
+                  Log2 of tile rows:
+                </Range>
+              </div>
+              <div class={style.optionOneCell}>
+                <Range
+                  min="0"
+                  max="6"
+                  value={tileCols}
+                  onInput={this._inputChange('tileCols', 'number')}
+                >
+                  Log2 of tile cols:
+                </Range>
+              </div>
+            </div>
+          }
+        </Expander>
         <div class={style.optionOneCell}>
           <Range
-            name="quantizer"
-            min="0"
-            max="63"
-            value={options.minQuantizer}
-            onInput={this.onChange}
-          >
-            Quantizer
-          </Range>
-        </div>
-        <div class={style.optionOneCell}>
-          <Range
-            name="speed"
             min="0"
             max="10"
-            value={options.speed}
-            onInput={this.onChange}
+            value={effort}
+            onInput={this._inputChange('effort', 'number')}
           >
-            Speed
+            Effort:
           </Range>
         </div>
       </form>

src/codecs/decoders.ts

@@ -1,21 +1,16 @@
-import { builtinDecode, sniffMimeType, canDecodeImage } from '../lib/util';
+import { builtinDecode, sniffMimeType, canDecodeImageType } from '../lib/util';
 import Processor from './processor';
-import webpDataUrl from 'url-loader!./tiny.webp';
-
-const webPSupported = canDecodeImage(webpDataUrl);
 
 export async function decodeImage(blob: Blob, processor: Processor): Promise<ImageData> {
   const mimeType = await sniffMimeType(blob);
+  const canDecode = await canDecodeImageType(mimeType);
 
   try {
-    if (mimeType === 'image/avif') {
-      return await processor.avifDecode(blob);
+    if (!canDecode) {
+      if (mimeType === 'image/avif') return await processor.avifDecode(blob);
+      if (mimeType === 'image/webp') return await processor.webpDecode(blob);
+      // If it's not one of those types, fall through and try built-in decoding for a laugh.
     }
-    if (mimeType === 'image/webp' && !(await webPSupported)) {
-      return await processor.webpDecode(blob);
-    }
-
-    // Otherwise, just throw it at the browser's decoder.
     return await builtinDecode(blob);
   } catch (err) {
     throw Error("Couldn't decode image");

src/codecs/mozjpeg/encoder.ts

@@ -1,5 +1,5 @@
-import mozjpeg_enc, { MozJPEGModule } from '../../../codecs/mozjpeg/enc/mozjpeg_enc';
-import wasmUrl from '../../../codecs/mozjpeg/enc/mozjpeg_enc.wasm';
+import mozjpeg_enc, { MozJPEGModule } from '../../../codecs/mozjpeg_enc/mozjpeg_enc';
+import wasmUrl from '../../../codecs/mozjpeg_enc/mozjpeg_enc.wasm';
 import { EncodeOptions } from './encoder-meta';
 import { initEmscriptenModule } from '../util';
 

src/codecs/oxipng/encoder.ts

@@ -1,6 +1,6 @@
-import { optimise } from '../../../codecs/oxipng/pkg';
+import optimiser from '../../../codecs/oxipng';
 import { EncodeOptions } from './encoder-meta';
 
 export async function compress(data: ArrayBuffer, options: EncodeOptions): Promise<ArrayBuffer> {
-  return optimise(new Uint8Array(data), options.level).buffer;
+  return (await optimiser).optimise(new Uint8Array(data), options.level).buffer;
 }

src/codecs/processor-worker/index.ts

@@ -88,14 +88,14 @@ async function avifEncode(
   const { encode } = await import(
     /* webpackChunkName: "process-avif-enc" */
     '../avif/encoder');
-  return encode(data, options);
+  return timed('avifEncode', () => encode(data, options));
 }
 
 async function avifDecode(data: ArrayBuffer): Promise<ImageData> {
   const { decode } = await import(
     /* webpackChunkName: "process-avif-dec" */
     '../avif/decoder');
-  return decode(data);
+  return timed('avifDencode', () => decode(data));
 }
 
 const exports = {

src/codecs/processor.ts

@@ -62,12 +62,10 @@ export default class Processor {
 
         if (!this._worker && needsWorker) {
           // worker-loader does magic here.
-          // @ts-ignore - Typescript doesn't know about the 2nd param to new Worker, and the
-          // definition can't be overwritten.
           this._worker = new Worker(
             './processor-worker',
             { name: 'processor-worker', type: 'module' },
-          ) as Worker;
+          );
           // Need to do some TypeScript trickery to make the type match.
           this._workerApi = proxy(this._worker) as any as ProcessorWorkerApi;
         }

src/codecs/util.ts

@@ -1,28 +1,23 @@
-type ModuleFactory<M extends EmscriptenWasm.Module> = (
+export type ModuleFactory<M extends EmscriptenWasm.Module> = (
   opts: EmscriptenWasm.ModuleOpts,
-) => M;
+) => Promise<M>;
 
 export function initEmscriptenModule<T extends EmscriptenWasm.Module>(
   moduleFactory: ModuleFactory<T>,
   wasmUrl: string,
+  workerUrl?: string,
+  mainUrl?: string,
 ): Promise<T> {
-  return new Promise((resolve) => {
-    const module = moduleFactory({
-      // Just to be safe, don't automatically invoke any wasm functions
-      noInitialRun: true,
-      locateFile(url: string): string {
-        // Redirect the request for the wasm binary to whatever webpack gave us.
-        if (url.endsWith('.wasm')) return wasmUrl;
-        return url;
-      },
-      onRuntimeInitialized() {
-        // An Emscripten is a then-able that resolves with itself, causing an infite loop when you
-        // wrap it in a real promise. Delete the `then` prop solves this for now.
-        // https://github.com/kripken/emscripten/issues/5820
-        delete (module as any).then;
-        resolve(module);
-      },
-    });
+  return moduleFactory({
+    mainScriptUrlOrBlob: mainUrl,
+    // Just to be safe, don't automatically invoke any wasm functions
+    noInitialRun: true,
+    locateFile(url: string): string {
+      // Redirect the request for the wasm binary to whatever webpack gave us.
+      if (url.endsWith('.wasm')) return wasmUrl;
+      if (url.endsWith('.worker.js')) return workerUrl!;
+      return url;
+    },
   });
 }
 

src/components/App/index.tsx

@@ -75,7 +75,7 @@ export default class App extends Component<Props, State> {
     // really breaks things on Squoosh, as you can easily end up zooming the UI when you mean to
     // zoom the image. Once you've done this, it's really difficult to undo. Anyway, this seems to
     // prevent it.
-    document.body.addEventListener('gesturestart', (event) => {
+    document.body.addEventListener('gesturestart', (event: any) => {
       event.preventDefault();
     });
 

src/lib/util.ts

@@ -78,11 +78,36 @@ async function decodeImage(url: string): Promise<HTMLImageElement> {
   return img;
 }
 
+/** Caches results from canDecodeImageType */
+const canDecodeCache = new Map<string, Promise<boolean>>();
+
 /**
- * Attempts to load the given URL as an image.
+ * Tests whether the browser supports a particular image mime type.
+ *
+ * @param type Mimetype
+ * @example await canDecodeImageType('image/avif')
  */
-export function canDecodeImage(url: string): Promise<boolean> {
-  return decodeImage(url).then(() => true, () => false);
+export function canDecodeImageType(type: string): Promise<boolean> {
+  if (!canDecodeCache.has(type)) {
+    const resultPromise = (async () => {
+      const picture = document.createElement('picture');
+      const img = document.createElement('img');
+      const source = document.createElement('source');
+      source.srcset = 'data:,x';
+      source.type = type;
+      picture.append(source, img);
+
+      // Wait a single microtick just for the `img.currentSrc` to get populated.
+      await 0;
+      // At this point `img.currentSrc` will contain "data:,x" if format is supported and ""
+      // otherwise.
+      return !!img.currentSrc;
+    })();
+
+    canDecodeCache.set(type, resultPromise);
+  }
+
+  return canDecodeCache.get(type)!;
 }
 
 export function blobToArrayBuffer(blob: Blob): Promise<ArrayBuffer> {

src/missing-types.d.ts

@@ -33,6 +33,16 @@ declare module 'url-loader!*' {
   export default value;
 }
 
+declare module 'file-loader!*' {
+  const value: string;
+  export default value;
+}
+
+declare module '*.worker.js' {
+  const value: string;
+  export default value;
+}
+
 declare var VERSION: string;
 
 declare var ga: {

src/sw/util.ts

@@ -1,4 +1,5 @@
-import webpDataUrl from 'url-loader!../codecs/tiny.webp';
+import webpDataUrl from 'url-loader!./tiny.webp';
+import avifDataUrl from 'url-loader!./tiny.avif';
 
 // Give TypeScript the correct global.
 declare var self: ServiceWorkerGlobalScope;
@@ -109,17 +110,20 @@ export async function cacheAdditionalProcessors(cacheName: string, buildAssets:
 
   toCache.push(...prefixMatches, ...wasm);
 
-  const supportsWebP = await (async () => {
-    if (!self.createImageBitmap) return false;
-    const response = await fetch(webpDataUrl);
-    const blob = await response.blob();
-    return createImageBitmap(blob).then(() => true, () => false);
-  })();
+  const [supportsWebP, supportsAvif] = await Promise.all(
+    [webpDataUrl, avifDataUrl].map(async (dataUrl) => {
+      if (!self.createImageBitmap) return false;
+      const response = await fetch(dataUrl);
+      const blob = await response.blob();
+      return createImageBitmap(blob).then(() => true, () => false);
+    }),
+  )
 
-  // No point caching the WebP decoder if the browser supports it:
-  if (supportsWebP) {
-    toCache = toCache.filter(asset => !/webp[\-_]dec/.test(asset));
-  }
+  // No point caching decoders the browser already supports:
+  toCache = toCache.filter(asset =>
+    (supportsWebP ? !/webp[\-_]dec/.test(asset) : true) &&
+    (supportsAvif ? !/avif[\-_]dec/.test(asset) : true),
+  );
 
   const cache = await caches.open(cacheName);
   await cache.addAll(toCache);

webpack.config.js

@@ -149,7 +149,7 @@ module.exports = async function(_, env) {
         {
           // Emscripten modules don't work with Webpack's Wasm loader.
           test: /\.wasm$/,
-          exclude: /_bg\.wasm$/,
+          exclude: /(?<!\bpkg-parallel[\\/]squoosh_oxipng)_bg\.wasm$/,
           // This is needed to make webpack NOT process wasm files.
           // See https://github.com/webpack/webpack/issues/6725
           type: 'javascript/auto',
@@ -160,11 +160,11 @@ module.exports = async function(_, env) {
         },
         {
           // Wasm modules generated by Rust + wasm-pack work great with Webpack.
-          test: /_bg\.wasm$/,
+          test: /(?<!\bpkg-parallel[\\/]squoosh_oxipng)_bg\.wasm$/,
           type: 'webassembly/experimental',
         },
         {
-          test: /\.(png|svg|jpg|gif)$/,
+          test: /\.(png|svg|jpg|gif|worker\.js)$/,
           loader: 'file-loader',
           options: {
             name: '[name].[hash:5].[ext]',
@@ -174,8 +174,7 @@ module.exports = async function(_, env) {
     },
     plugins: [
       new webpack.IgnorePlugin(
-        /(fs|crypto|path)/,
-        /[/\\]codecs[/\\]/
+        /^(fs|crypto|path|perf_hooks|worker_threads)$/
       ),
 
       // Pretty progressbar showing build progress: