Log decoding error

Use unique_ptr with custom deleter to enforce consistent deallocation, no matter how we leave the function.

.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:nightly - < ../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
+                           Version 2.0, January 2004
+                        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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+
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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
+pattern of such abuse occurs in the area of products for individuals to
+use, which is precisely where it is most unacceptable.  Therefore, we
+have designed this version of the GPL to prohibit the practice for those
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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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+k=2);W(a,{name:c,fromWireType:function(h){for(var n=L[h>>2],p=l(),q,y=h+4,C=0;C<=n;++C){var m=h+4+C*b;if(C==n||0==p[m>>k])y=e(y,m-y),void 0===q?q=y:(q+=String.fromCharCode(0),q+=y),y=m+b}Z(h);return q},toWireType:function(h,n){"string"!==typeof n&&V("Cannot pass non-string to C++ string type "+c);var p=g(n),q=rb(4+p+b);L[q>>2]=p>>k;f(n,q+4,p+b);null!==h&&h.push(Z,q);return q},argPackAdvance:8,readValueFromPointer:Xa,S:function(h){Z(h)}})},p:function(a,b){b=R(b);W(a,{Y:!0,name:b,argPackAdvance:0,fromWireType:function(){},
+toWireType:function(){}})},f:Wa,m:function(a){if(0===a)return Y(lb());var b=kb[a];a=void 0===b?R(a):b;return Y(lb()[a])},i:function(a){4<a&&(X[a].U+=1)},j: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")))(mb,d,Y);nb[b]=f}return f(a,c,e)},d:function(){A()},s: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-
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+f),!1}(function(){if(D||"function"!==typeof WebAssembly.instantiateStreaming||Ga()||Fa("file://")||"function"!==typeof fetch)return c(b);fetch(Q,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,e).then(b,function(g){B("wasm streaming compile failed: "+g);B("falling back to ArrayBuffer instantiation");return c(b)})})})();return{}})();
+var Ka=d.___wasm_call_ctors=function(){return(Ka=d.___wasm_call_ctors=d.asm.v).apply(null,arguments)},rb=d._malloc=function(){return(rb=d._malloc=d.asm.w).apply(null,arguments)},Z=d._free=function(){return(Z=d._free=d.asm.x).apply(null,arguments)},hb=d.___getTypeName=function(){return(hb=d.___getTypeName=d.asm.y).apply(null,arguments)};d.___embind_register_native_and_builtin_types=function(){return(d.___embind_register_native_and_builtin_types=d.asm.z).apply(null,arguments)};
+d.dynCall_iiiiiif=function(){return(d.dynCall_iiiiiif=d.asm.A).apply(null,arguments)};d.dynCall_viiiiif=function(){return(d.dynCall_viiiiif=d.asm.B).apply(null,arguments)};d.dynCall_iiiiif=function(){return(d.dynCall_iiiiif=d.asm.C).apply(null,arguments)};d.dynCall_viiiif=function(){return(d.dynCall_viiiif=d.asm.D).apply(null,arguments)};d.dynCall_ii=function(){return(d.dynCall_ii=d.asm.E).apply(null,arguments)};d.dynCall_i=function(){return(d.dynCall_i=d.asm.F).apply(null,arguments)};
+d.dynCall_vi=function(){return(d.dynCall_vi=d.asm.G).apply(null,arguments)};d.dynCall_vif=function(){return(d.dynCall_vif=d.asm.H).apply(null,arguments)};d.dynCall_iii=function(){return(d.dynCall_iii=d.asm.I).apply(null,arguments)};d.dynCall_iidiiii=function(){return(d.dynCall_iidiiii=d.asm.J).apply(null,arguments)};d.dynCall_vii=function(){return(d.dynCall_vii=d.asm.K).apply(null,arguments)};d.dynCall_iiii=function(){return(d.dynCall_iiii=d.asm.L).apply(null,arguments)};
+d.dynCall_jiji=function(){return(d.dynCall_jiji=d.asm.M).apply(null,arguments)};d.dynCall_viiiiii=function(){return(d.dynCall_viiiiii=d.asm.N).apply(null,arguments)};d.dynCall_viiiii=function(){return(d.dynCall_viiiii=d.asm.O).apply(null,arguments)};d.dynCall_viiii=function(){return(d.dynCall_viiii=d.asm.P).apply(null,arguments)};var tb;O=function ub(){tb||vb();tb||(O=ub)};
+function vb(){function a(){if(!tb&&(tb=!0,d.calledRun=!0,!ja)){M(Aa);M(Ba);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();Ca.unshift(b)}M(Ca)}}if(!(0<N)){if(d.preRun)for("function"==typeof d.preRun&&(d.preRun=[d.preRun]);d.preRun.length;)Da();M(za);0<N||(d.setStatus?(d.setStatus("Running..."),setTimeout(function(){setTimeout(function(){d.setStatus("")},1);a()},1)):a())}}
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codecs/jxl/Makefile

@@ -0,0 +1,66 @@
+CODEC_URL = https://gitlab.com/wg1/jpeg-xl.git
+CODEC_VERSION = 4d70bd58fbcb758b61446aba447fedd9177a00c9
+CODEC_DIR = node_modules/jxl
+CODEC_BUILD_DIR := $(CODEC_DIR)/build
+CODEC_OUT := $(CODEC_BUILD_DIR)/lib/libjxl.a
+
+OUT_JS = enc/jxl_enc.js dec/jxl_dec.js
+OUT_WASM = $(OUT_JS:.js=.wasm)
+
+.PHONY: all clean
+
+all: $(OUT_JS)
+
+%.js: %.cpp $(LIBAOM_OUT) $(CODEC_OUT)
+	$(CXX) \
+		-I $(CODEC_DIR) \
+		-I $(CODEC_DIR)/lib \
+		-I $(CODEC_DIR)/lib/include \
+		-I $(CODEC_BUILD_DIR)/lib/include \
+		-I $(CODEC_DIR)/third_party/highway \
+		-I $(CODEC_DIR)/third_party/skcms \
+		-I $(CODEC_DIR)/third_party/brunsli \
+		-I $(CODEC_DIR)/third_party/brunsli/c/include \
+		${CXXFLAGS} \
+		${LDFLAGS} \
+		--bind \
+		--closure 1 \
+		-s ALLOW_MEMORY_GROWTH=1 \
+		-s MODULARIZE=1 \
+		-s 'EXPORT_NAME="$(basename $(@F))"' \
+		-o $@ \
+		$+ \
+		$(CODEC_BUILD_DIR)/artifacts/libbrunslienc-static.bc \
+		$(CODEC_BUILD_DIR)/artifacts/libbrunslicommon-static.bc \
+		$(CODEC_BUILD_DIR)/artifacts/libbrunslidec-static.bc \
+		$(CODEC_BUILD_DIR)/third_party/brotli/libbrotlidec-static.a \
+		$(CODEC_BUILD_DIR)/third_party/brotli/libbrotlienc-static.a \
+		$(CODEC_BUILD_DIR)/third_party/brotli/libbrotlicommon-static.a \
+		$(CODEC_BUILD_DIR)/third_party/libskcms.a \
+		$(CODEC_BUILD_DIR)/third_party/highway/libhwy.a
+
+$(CODEC_OUT): $(CODEC_DIR)/CMakeLists.txt
+	mkdir -p $(CODEC_BUILD_DIR)
+	cd $(CODEC_BUILD_DIR) && \
+	emcmake cmake ../ && \
+	$(MAKE) jxl-static
+
+$(CODEC_DIR)/CMakeLists.txt: $(CODEC_DIR)
+
+$(CODEC_DIR):
+	# The JXL repository doesn’t have version tags or anything yet,
+	# so we have to pin to a specific commit for now. This implies we
+	# can’t use --recursive, as we will change commit after checkout (it
+	# seems you can’t clone a specific commit directly), and it also means
+	# we can’t use --depth 1 because we want to change commits.
+	# The JXL code base also relies on submodules so we can’t just download
+	# a .tar.gz from GitLab.
+	mkdir -p $@
+	git clone $(CODEC_URL) $@
+	cd $@ && \
+	git reset --hard $(CODEC_VERSION) && \
+	git submodule update --init --recursive
+
+clean:
+	$(RM) $(OUT_JS) $(OUT_WASM)
+	$(MAKE) -C $(CODEC_BUILD_DIR) clean

codecs/jxl/dec/jxl_dec.cpp

@@ -0,0 +1,80 @@
+#include <emscripten/bind.h>
+#include <emscripten/val.h>
+
+#include <jxl/decode.h>
+#include "lib/jxl/color_encoding_internal.h"
+
+#include "skcms.h"
+
+using namespace emscripten;
+
+thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");
+thread_local const val ImageData = val::global("ImageData");
+
+// R, G, B, A
+#define COMPONENTS_PER_PIXEL 4
+
+#define EXPECT_TRUE(a) \
+  if (!(a))            \
+    return val::null();
+
+#define EXPECT_EQ(a, b) EXPECT_TRUE((a) == (b));
+
+val decode(std::string data) {
+  std::unique_ptr<JxlDecoder,
+                  std::integral_constant<decltype(&JxlDecoderDestroy), JxlDecoderDestroy>>
+      dec(JxlDecoderCreate(nullptr));
+  EXPECT_EQ(JXL_DEC_SUCCESS,
+            JxlDecoderSubscribeEvents(
+                dec.get(), JXL_DEC_BASIC_INFO | JXL_DEC_COLOR_ENCODING | JXL_DEC_FULL_IMAGE));
+
+  auto next_in = (const uint8_t*)data.c_str();
+  auto avail_in = data.size();
+  EXPECT_EQ(JXL_DEC_BASIC_INFO, JxlDecoderProcessInput(dec.get(), &next_in, &avail_in));
+  JxlBasicInfo info;
+  EXPECT_EQ(JXL_DEC_SUCCESS, JxlDecoderGetBasicInfo(dec.get(), &info));
+  size_t pixel_count = info.xsize * info.ysize;
+  size_t component_count = pixel_count * COMPONENTS_PER_PIXEL;
+
+  EXPECT_EQ(JXL_DEC_COLOR_ENCODING, JxlDecoderProcessInput(dec.get(), &next_in, &avail_in));
+  size_t icc_size;
+  EXPECT_EQ(JXL_DEC_SUCCESS,
+            JxlDecoderGetICCProfileSize(dec.get(), JXL_COLOR_PROFILE_TARGET_DATA, &icc_size));
+  std::vector<uint8_t> icc_profile(icc_size);
+  EXPECT_EQ(JXL_DEC_SUCCESS,
+            JxlDecoderGetColorAsICCProfile(dec.get(), JXL_COLOR_PROFILE_TARGET_DATA,
+                                           icc_profile.data(), icc_profile.size()));
+
+  auto float_pixels = std::make_unique<float[]>(component_count);
+  static const JxlPixelFormat format = {COMPONENTS_PER_PIXEL, JXL_LITTLE_ENDIAN, JXL_TYPE_FLOAT};
+  EXPECT_EQ(JXL_DEC_SUCCESS, JxlDecoderSetImageOutBuffer(dec.get(), &format, float_pixels.get(),
+                                                         component_count * sizeof(float)));
+  EXPECT_EQ(JXL_DEC_FULL_IMAGE, JxlDecoderProcessInput(dec.get(), &next_in, &avail_in));
+
+  auto byte_pixels = std::make_unique<uint8_t[]>(component_count);
+  // Convert to sRGB.
+  skcms_ICCProfile jxl_profile;
+  // If the image is encoded in its original color space, the decoded data will be in the color
+  // space defined by the decoded ICC profile. Otherwise, it is in Linear sRGB. TODO: the decoded
+  // color profile should also be Linear sRGB if !uses_original_profile.
+  if (info.uses_original_profile) {
+    EXPECT_TRUE(skcms_Parse(icc_profile.data(), icc_profile.size(), &jxl_profile));
+  } else {
+    auto s = jxl::ColorEncoding::LinearSRGB(/*gray=*/false);
+    EXPECT_TRUE(s.CreateICC());
+    EXPECT_TRUE(skcms_Parse(s.ICC().data(), s.ICC().size(), &jxl_profile));
+  }
+  EXPECT_TRUE(skcms_Transform(
+      float_pixels.get(), skcms_PixelFormat_RGBA_ffff,
+      info.alpha_premultiplied ? skcms_AlphaFormat_PremulAsEncoded : skcms_AlphaFormat_Unpremul,
+      &jxl_profile, byte_pixels.get(), skcms_PixelFormat_RGBA_8888, skcms_AlphaFormat_Unpremul,
+      skcms_sRGB_profile(), pixel_count));
+
+  return ImageData.new_(
+      Uint8ClampedArray.new_(typed_memory_view(component_count, byte_pixels.get())), info.xsize,
+      info.ysize);
+}
+
+EMSCRIPTEN_BINDINGS(my_module) {
+  function("decode", &decode);
+}

codecs/jxl/dec/jxl_dec.d.ts

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

codecs/jxl/dec/jxl_dec.js

@@ -0,0 +1,69 @@
+
+var jxl_dec = (function() {
+  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
+  if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
+  return (
+function(jxl_dec) {
+  jxl_dec = jxl_dec || {};
+
+
+var d;d||(d=typeof jxl_dec !== 'undefined' ? jxl_dec : {});var aa,ba;d.ready=new Promise(function(a,b){aa=a;ba=b});var r={},t;for(t in d)d.hasOwnProperty(t)&&(r[t]=d[t]);var ca="./this.program",u=!1,v=!1,da=!1,ea=!1;u="object"===typeof window;v="function"===typeof importScripts;da="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;ea=!u&&!da&&!v;var w="",x,z,fa,ha;
+if(da)w=v?require("path").dirname(w)+"/":__dirname+"/",x=function(a,b){fa||(fa=require("fs"));ha||(ha=require("path"));a=ha.normalize(a);return fa.readFileSync(a,b?null:"utf8")},z=function(a){a=x(a,!0);a.buffer||(a=new Uint8Array(a));a.buffer||A("Assertion failed: undefined");return a},1<process.argv.length&&(ca=process.argv[1].replace(/\\/g,"/")),process.argv.slice(2),process.on("uncaughtException",function(a){throw a;}),process.on("unhandledRejection",A),d.inspect=function(){return"[Emscripten Module object]"};
+else if(ea)"undefined"!=typeof read&&(x=function(a){return read(a)}),z=function(a){if("function"===typeof readbuffer)return new Uint8Array(readbuffer(a));a=read(a,"binary");"object"===typeof a||A("Assertion failed: undefined");return a},"undefined"!==typeof print&&("undefined"===typeof console&&(console={}),console.log=print,console.warn=console.error="undefined"!==typeof printErr?printErr:print);else if(u||v)v?w=self.location.href:document.currentScript&&(w=document.currentScript.src),_scriptDir&&
+(w=_scriptDir),0!==w.indexOf("blob:")?w=w.substr(0,w.lastIndexOf("/")+1):w="",x=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.send(null);return b.responseText},v&&(z=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)});var ia=d.print||console.log.bind(console),B=d.printErr||console.warn.bind(console);for(t in r)r.hasOwnProperty(t)&&(d[t]=r[t]);r=null;d.thisProgram&&(ca=d.thisProgram);var D;
+d.wasmBinary&&(D=d.wasmBinary);var noExitRuntime;d.noExitRuntime&&(noExitRuntime=d.noExitRuntime);"object"!==typeof WebAssembly&&A("no native wasm support detected");var E,ja=new WebAssembly.Table({initial:273,maximum:273,element:"anyfunc"}),ka=!1,la="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
+function ma(a,b,c){var e=b+c;for(c=b;a[c]&&!(c>=e);)++c;if(16<c-b&&a.subarray&&la)return la.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 na(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 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 oa="undefined"!==typeof TextDecoder?new TextDecoder("utf-16le"):void 0;
+function pa(a,b){var c=a>>1;for(var e=c+b/2;!(c>=e)&&G[c];)++c;c<<=1;if(32<c-a&&oa)return oa.decode(F.subarray(a,c));c=0;for(e="";;){var f=H[a+2*c>>1];if(0==f||c==b/2)return e;++c;e+=String.fromCharCode(f)}}function qa(a,b,c){void 0===c&&(c=2147483647);if(2>c)return 0;c-=2;var e=b;c=c<2*a.length?c/2:a.length;for(var f=0;f<c;++f)H[b>>1]=a.charCodeAt(f),b+=2;H[b>>1]=0;return b-e}function ra(a){return 2*a.length}
+function sa(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 ta(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}I[b>>2]=g;b+=4;if(b+4>c)break}I[b>>2]=0;return b-e}
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+
+
+  return jxl_dec.ready
+}
+);
+})();
+if (typeof exports === 'object' && typeof module === 'object')
+      module.exports = jxl_dec;
+    else if (typeof define === 'function' && define['amd'])
+      define([], function() { return jxl_dec; });
+    else if (typeof exports === 'object')
+      exports["jxl_dec"] = jxl_dec;
+    

codecs/jxl/enc/jxl_enc.cpp

@@ -0,0 +1,56 @@
+#include <emscripten/bind.h>
+#include <emscripten/val.h>
+
+#include "lib/jxl/enc_file.h"
+#include "lib/jxl/external_image.h"
+
+using namespace emscripten;
+
+thread_local const val Uint8Array = val::global("Uint8Array");
+
+struct JXLOptions {
+  // 1 = slowest
+  // 7 = fastest
+  int speed;
+  float quality;
+};
+
+val encode(std::string image, int width, int height, JXLOptions options) {
+  jxl::CompressParams cparams;
+  jxl::PassesEncoderState passes_enc_state;
+  jxl::CodecInOut io;
+  jxl::PaddedBytes bytes;
+  jxl::ImageBundle* main = &io.Main();
+
+  cparams.speed_tier = static_cast<jxl::SpeedTier>(options.speed);
+  cparams.butteraugli_distance = options.quality;
+
+  io.metadata.SetAlphaBits(8);
+
+  uint8_t* inBuffer = (uint8_t*)image.c_str();
+
+  auto result = jxl::ConvertImage(
+      jxl::Span<const uint8_t>(reinterpret_cast<const uint8_t*>(image.data()), image.size()), width,
+      height, jxl::ColorEncoding::SRGB(/*is_gray=*/false), /*has_alpha=*/true,
+      /*alpha_is_premultiplied=*/false, /*bits_per_alpha=*/8, /*bits_per_sample=*/8,
+      /*big_endian=*/false, /*flipped_y=*/false, /*pool=*/nullptr, main);
+
+  if (!result) {
+    return val::null();
+  }
+
+  auto js_result = val::null();
+  if (EncodeFile(cparams, &io, &passes_enc_state, &bytes)) {
+    js_result = Uint8Array.new_(typed_memory_view(bytes.size(), bytes.data()));
+  }
+
+  return js_result;
+}
+
+EMSCRIPTEN_BINDINGS(my_module) {
+  value_object<JXLOptions>("JXLOptions")
+      .field("speed", &JXLOptions::speed)
+      .field("quality", &JXLOptions::quality);
+
+  function("encode", &encode);
+}

codecs/jxl/enc/jxl_enc.d.ts

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

codecs/jxl/enc/jxl_enc.js

@@ -0,0 +1,115 @@
+
+var jxl_enc = (function() {
+  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
+  if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
+  return (
+function(jxl_enc) {
+  jxl_enc = jxl_enc || {};
+
+
+var f;f||(f=typeof jxl_enc !== 'undefined' ? jxl_enc : {});var aa,ba;f.ready=new Promise(function(a,b){aa=a;ba=b});var p={},t;for(t in f)f.hasOwnProperty(t)&&(p[t]=f[t]);var ca="./this.program",da=!1,w=!1,ea=!1,fa=!1;da="object"===typeof window;w="function"===typeof importScripts;ea="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;fa=!da&&!ea&&!w;var z="",ha,ia,ka,la;
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+var Xa=f.___wasm_call_ctors=function(){return(Xa=f.___wasm_call_ctors=f.asm.H).apply(null,arguments)},ob=f._malloc=function(){return(ob=f._malloc=f.asm.I).apply(null,arguments)},Z=f._free=function(){return(Z=f._free=f.asm.J).apply(null,arguments)},Lc=f.___errno_location=function(){return(Lc=f.___errno_location=f.asm.K).apply(null,arguments)},tc=f.___getTypeName=function(){return(tc=f.___getTypeName=f.asm.L).apply(null,arguments)};
+f.___embind_register_native_and_builtin_types=function(){return(f.___embind_register_native_and_builtin_types=f.asm.M).apply(null,arguments)};f.dynCall_i=function(){return(f.dynCall_i=f.asm.N).apply(null,arguments)};f.dynCall_vi=function(){return(f.dynCall_vi=f.asm.O).apply(null,arguments)};f.dynCall_iii=function(){return(f.dynCall_iii=f.asm.P).apply(null,arguments)};f.dynCall_viii=function(){return(f.dynCall_viii=f.asm.Q).apply(null,arguments)};
+f.dynCall_fii=function(){return(f.dynCall_fii=f.asm.R).apply(null,arguments)};f.dynCall_viif=function(){return(f.dynCall_viif=f.asm.S).apply(null,arguments)};f.dynCall_iiiiii=function(){return(f.dynCall_iiiiii=f.asm.T).apply(null,arguments)};f.dynCall_viiiii=function(){return(f.dynCall_viiiii=f.asm.U).apply(null,arguments)};f.dynCall_iidiiii=function(){return(f.dynCall_iidiiii=f.asm.V).apply(null,arguments)};f.dynCall_vii=function(){return(f.dynCall_vii=f.asm.W).apply(null,arguments)};
+f.dynCall_ii=function(){return(f.dynCall_ii=f.asm.X).apply(null,arguments)};f.dynCall_iiiiiii=function(){return(f.dynCall_iiiiiii=f.asm.Y).apply(null,arguments)};f.dynCall_viiii=function(){return(f.dynCall_viiii=f.asm.Z).apply(null,arguments)};f.dynCall_iiii=function(){return(f.dynCall_iiii=f.asm._).apply(null,arguments)};f.dynCall_viiiiiii=function(){return(f.dynCall_viiiiiii=f.asm.$).apply(null,arguments)};f.dynCall_viijii=function(){return(f.dynCall_viijii=f.asm.aa).apply(null,arguments)};
+f.dynCall_v=function(){return(f.dynCall_v=f.asm.ba).apply(null,arguments)};f.dynCall_iiiii=function(){return(f.dynCall_iiiii=f.asm.ca).apply(null,arguments)};f.dynCall_fi=function(){return(f.dynCall_fi=f.asm.da).apply(null,arguments)};f.dynCall_viiiiii=function(){return(f.dynCall_viiiiii=f.asm.ea).apply(null,arguments)};f.dynCall_iiji=function(){return(f.dynCall_iiji=f.asm.fa).apply(null,arguments)};f.dynCall_iifi=function(){return(f.dynCall_iifi=f.asm.ga).apply(null,arguments)};
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+f.dynCall_iiiiid=function(){return(f.dynCall_iiiiid=f.asm.ma).apply(null,arguments)};f.dynCall_iiiiijj=function(){return(f.dynCall_iiiiijj=f.asm.na).apply(null,arguments)};var Nc;Qa=function Oc(){Nc||Pc();Nc||(Qa=Oc)};
+function Pc(){function a(){if(!Nc&&(Nc=!0,f.calledRun=!0,!pa)){f.noFSInit||Ob||(Ob=!0,Nb(),f.stdin=f.stdin,f.stdout=f.stdout,f.stderr=f.stderr,f.stdin?Qb("stdin",f.stdin):Jb("/dev/tty","/dev/stdin"),f.stdout?Qb("stdout",null,f.stdout):Jb("/dev/tty","/dev/stdout"),f.stderr?Qb("stderr",null,f.stderr):Jb("/dev/tty1","/dev/stderr"),Kb("/dev/stdin","r"),Kb("/dev/stdout","w"),Kb("/dev/stderr","w"));Fa(Ha);tb=!1;Fa(Ia);aa(f);if(f.onRuntimeInitialized)f.onRuntimeInitialized();if(f.postRun)for("function"==
+typeof f.postRun&&(f.postRun=[f.postRun]);f.postRun.length;){var b=f.postRun.shift();Ja.unshift(b)}Fa(Ja)}}if(!(0<L)){if(f.preRun)for("function"==typeof f.preRun&&(f.preRun=[f.preRun]);f.preRun.length;)Ka();Fa(Ga);0<L||(f.setStatus?(f.setStatus("Running..."),setTimeout(function(){setTimeout(function(){f.setStatus("")},1);a()},1)):a())}}f.run=Pc;if(f.preInit)for("function"==typeof f.preInit&&(f.preInit=[f.preInit]);0<f.preInit.length;)f.preInit.pop()();noExitRuntime=!0;Pc();
+
+
+  return jxl_enc.ready
+}
+);
+})();
+if (typeof exports === 'object' && typeof module === 'object')
+      module.exports = jxl_enc;
+    else if (typeof define === 'function' && define['amd'])
+      define([], function() { return jxl_enc; });
+    else if (typeof exports === 'object')
+      exports["jxl_enc"] = jxl_enc;
+    

codecs/jxl/package.json

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

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 || {};
-
-
-var d;d||(d=typeof mozjpeg_dec !== 'undefined' ? mozjpeg_dec : {});var aa,ba;d.ready=new Promise(function(a,b){aa=a;ba=b});var r={},t;for(t in d)d.hasOwnProperty(t)&&(r[t]=d[t]);var 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="",z,A,fa,ha;
-if(da)x=w?require("path").dirname(x)+"/":__dirname+"/",z=function(a,b){fa||(fa=require("fs"));ha||(ha=require("path"));a=ha.normalize(a);return fa.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&&(ca=process.argv[1].replace(/\\/g,"/")),process.argv.slice(2),process.on("uncaughtException",function(a){if(!(a instanceof ia))throw a;}),process.on("unhandledRejection",B),u=function(a){process.exit(a)},
-d.inspect=function(){return"[Emscripten Module object]"};else if(ea)"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},"function"===typeof quit&&(u=function(a){quit(a)}),"undefined"!==typeof print&&("undefined"===typeof console&&(console={}),console.log=print,console.warn=console.error="undefined"!==typeof printErr?printErr:
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codecs/mozjpeg/enc/mozjpeg_enc.js

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-'" to '+this.name);if(n<e||n>f)throw new TypeError('Passing a number "'+eb(n)+'" from JS side to C/C++ side to an argument of type "'+b+'", which is outside the valid range ['+e+", "+f+"]!");return h?n>>>0:n|0},argPackAdvance:8,readValueFromPointer:ob(b,l,0!==e),Z:null})},a:function(a,b,c){function e(g){g>>=2;var l=N;return new f(L,l[g+1],l[g])}var f=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array][b];c=U(c);T(a,{name:c,fromWireType:e,argPackAdvance:8,
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-m){"string"!==typeof m&&V("Cannot pass non-string to C++ string type "+c);var n=g(m),q=zb(4+n+b);N[q>>2]=n>>k;f(m,q+4,n+b);null!==h&&h.push(Z,q);return q},argPackAdvance:8,readValueFromPointer:Sa,Z:function(h){Z(h)}})},m:function(a,b,c,e,f,g){Qa[a]={name:U(b),la:Y(c,e),ma:Y(f,g),da:[]}},e:function(a,b,c,e,f,g,l,k,h,m){Qa[a].da.push({fa:U(b),ja:c,ha:Y(e,f),ia:g,oa:l,na:Y(k,h),pa:m})},y:function(a,b){b=U(b);T(a,{qa:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},v:cb,
-B:function(a){if(0===a)return db(qb());var b=pb[a];a=void 0===b?U(a):b;return db(qb()[a])},j:function(a){4<a&&(X[a].aa+=1)},n:function(a,b,c,e){a||V("Cannot use deleted val. handle = "+a);a=X[a].value;var f=sb[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")))(rb,d,db);sb[b]=f}return f(a,c,e)},r:function(){D()},q:function(a,b,c){I.copyWithin(a,b,b+c)},c:function(a){a>>>=0;var b=I.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{H.grow(Math.min(2147483648,
-e)-L.byteLength+65535>>>16);Aa(H.buffer);var f=1;break a}catch(g){}f=void 0}if(f)return!0}return!1},s:function(a,b){var c=0;ub().forEach(function(e,f){var g=b+c;f=K[a+4*f>>2]=g;for(g=0;g<e.length;++g)M[f++>>0]=e.charCodeAt(g);M[f>>0]=0;c+=e.length+1});return 0},t:function(a,b){var c=ub();K[a>>2]=c.length;var e=0;c.forEach(function(f){e+=f.length+1});K[b>>2]=e;return 0},z:function(a){if(!noExitRuntime&&(ma=!0,d.onExit))d.onExit(a);u(a,new ia(a))},u:function(){return 0},o:function(){},f:function(a,
-b,c,e){for(var f=0,g=0;g<c;g++){for(var l=K[b+8*g>>2],k=K[b+(8*g+4)>>2],h=0;h<k;h++){var m=I[l+h],n=wb[a];0===m||10===m?((1===a?ja:E)(oa(n,0)),n.length=0):n.push(m)}f+=k}K[e>>2]=f;return 0},memory:H,p:function(){},table:la};
-(function(){function a(f){d.asm=f.exports;O--;d.monitorRunDependencies&&d.monitorRunDependencies(O);0==O&&(null!==Ia&&(clearInterval(Ia),Ia=null),P&&(f=P,P=null,f()))}function b(f){a(f.instance)}function c(f){return Na().then(function(g){return WebAssembly.instantiate(g,e)}).then(f,function(g){E("failed to asynchronously prepare wasm: "+g);D(g)})}var e={a:Ab};O++;d.monitorRunDependencies&&d.monitorRunDependencies(O);if(d.instantiateWasm)try{return d.instantiateWasm(e,a)}catch(f){return E("Module.instantiateWasm callback failed with error: "+
-f),!1}(function(){if(G||"function"!==typeof WebAssembly.instantiateStreaming||Ka()||Ja("file://")||"function"!==typeof fetch)return c(b);fetch(Q,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,e).then(b,function(g){E("wasm streaming compile failed: "+g);E("falling back to ArrayBuffer instantiation");return c(b)})})})();return{}})();
-var Oa=d.___wasm_call_ctors=function(){return(Oa=d.___wasm_call_ctors=d.asm.D).apply(null,arguments)},Z=d._free=function(){return(Z=d._free=d.asm.E).apply(null,arguments)},zb=d._malloc=function(){return(zb=d._malloc=d.asm.F).apply(null,arguments)},mb=d.___getTypeName=function(){return(mb=d.___getTypeName=d.asm.G).apply(null,arguments)};d.___embind_register_native_and_builtin_types=function(){return(d.___embind_register_native_and_builtin_types=d.asm.H).apply(null,arguments)};
-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}
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+
+
+  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/oxipng/Cargo.lock

@@ -1,16 +1,22 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
 [[package]]
-name = "adler32"
-version = "1.1.0"
+name = "adler"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "567b077b825e468cc974f0020d4082ee6e03132512f207ef1a02fd5d00d1f32d"
+checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
+
+[[package]]
+name = "adler32"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aae1277d39aeec15cb388266ecc24b11c80469deae6067e17a1a7aa9e5c1f234"
 
 [[package]]
 name = "autocfg"
-version = "1.0.0"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
+checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "bit-vec"
@@ -38,9 +44,9 @@ checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
 
 [[package]]
 name = "bytemuck"
-version = "1.2.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37fa13df2292ecb479ec23aa06f4507928bef07839be9ef15281411076629431"
+checksum = "41aa2ec95ca3b5c54cf73c91acf06d24f4495d5f1b1c12506ae3483d646177ac"
 
 [[package]]
 name = "byteorder"
@@ -50,9 +56,9 @@ checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 
 [[package]]
 name = "cc"
-version = "1.0.58"
+version = "1.0.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f9a06fb2e53271d7c279ec1efea6ab691c35a2ae67ec0d91d7acec0caf13b518"
+checksum = "ef611cc68ff783f18535d77ddd080185275713d852c4f5cbb6122c462a7a825c"
 
 [[package]]
 name = "cfg-if"
@@ -96,6 +102,16 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "crossbeam-channel"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b153fe7cbef478c567df0f972e02e6d736db11affe43dfc9c56a9374d1adfb87"
+dependencies = [
+ "crossbeam-utils",
+ "maybe-uninit",
+]
+
 [[package]]
 name = "crossbeam-deque"
 version = "0.7.3"
@@ -122,17 +138,6 @@ dependencies = [
  "scopeguard",
 ]
 
-[[package]]
-name = "crossbeam-queue"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "774ba60a54c213d409d5353bda12d49cd68d14e45036a285234c8d6f91f92570"
-dependencies = [
- "cfg-if",
- "crossbeam-utils",
- "maybe-uninit",
-]
-
 [[package]]
 name = "crossbeam-utils"
 version = "0.7.2"
@@ -156,24 +161,30 @@ dependencies = [
 
 [[package]]
 name = "either"
-version = "1.5.3"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb1f6b1ce1c140482ea30ddd3335fc0024ac7ee112895426e0a629a6c20adfe3"
+checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
+
+[[package]]
+name = "hashbrown"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00d63df3d41950fb462ed38308eea019113ad1508da725bbedcd0fa5a85ef5f7"
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.15"
+version = "0.1.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3deed196b6e7f9e44a2ae8d94225d80302d81208b1bb673fd21fe634645c85a9"
+checksum = "4c30f6d0bc6b00693347368a67d41b58f2fb851215ff1da49e90fe2c5c667151"
 dependencies = [
  "libc",
 ]
 
 [[package]]
 name = "image"
-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 $RUST_IMG AS rust
+ARG RUST_IMG
 RUN rustup target add wasm32-unknown-unknown
+RUN if [ "$RUST_IMG" = "rustlang/rust:nightly" ] ; then rustup component add rust-src ; fi
 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
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+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
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 (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;
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+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;
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+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};
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-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)};
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-d.dynCall_viiiiii=function(){return(d.dynCall_viiiiii=d.asm.P).apply(null,arguments)};var tb;P=function ub(){tb||vb();tb||(P=ub)};
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+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())}}
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   return webp_enc.ready

codecs/wp2/Makefile

@@ -0,0 +1,47 @@
+CODEC_URL = https://chromium.googlesource.com/codecs/libwebp2/+archive/c90b5b476004c9a98731ae1c175cebab5de50fbf.tar.gz
+CODEC_DIR = node_modules/wp2
+CODEC_BUILD_DIR := $(CODEC_DIR)/.build
+CODEC_OUT := $(CODEC_BUILD_DIR)/libwebp2.a
+
+OUT_JS = enc/wp2_enc.js dec/wp2_dec.js
+OUT_WASM = $(OUT_JS:.js=.wasm)
+
+.PHONY: all clean
+
+all: $(OUT_JS)
+
+%.js: %.cpp $(CODEC_OUT)
+	$(CXX) \
+		-I $(CODEC_DIR) \
+		${CXXFLAGS} \
+		${LDFLAGS} \
+		--bind \
+		--closure 1 \
+		-s ALLOW_MEMORY_GROWTH=1 \
+		-s MODULARIZE=1 \
+		-s 'EXPORT_NAME="$(basename $(@F))"' \
+		-o $@ \
+		$+
+
+$(CODEC_OUT): $(CODEC_BUILD_DIR)/Makefile
+	cd $(CODEC_BUILD_DIR) && \
+	$(MAKE)
+
+$(CODEC_BUILD_DIR)/Makefile: $(CODEC_DIR)/CMakeLists.txt
+	mkdir -p $(CODEC_BUILD_DIR)
+	cd $(CODEC_BUILD_DIR) && \
+	emcmake cmake \
+		-DWP2_ENABLE_SIMD=0 \
+		-DWP2_BUILD_TESTS=0 \
+		-DWP2_ENABLE_TESTS=0 \
+		-DWP2_BUILD_EXAMPLES=0 \
+		-DWP2_BUILD_EXTRAS=0 \
+		../
+
+$(CODEC_DIR)/CMakeLists.txt:
+	mkdir -p $(CODEC_DIR)
+	curl -sL $(CODEC_URL) | tar xz -C $(CODEC_DIR)
+
+clean:
+	$(RM) $(OUT_JS) $(OUT_WASM)
+	$(MAKE) -C $(CODEC_BUILD_DIR) clean

codecs/wp2/dec/README.md

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

codecs/wp2/dec/wp2_dec.cpp

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

codecs/wp2/dec/wp2_dec.d.ts

@@ -0,0 +1,5 @@
+interface WP2Module extends EmscriptenWasm.Module {
+  decode(data: BufferSource): ImageData | null;
+}
+
+export default function(opts: EmscriptenWasm.ModuleOpts): Promise<WP2Module>;

codecs/wp2/dec/wp2_dec.js

@@ -0,0 +1,69 @@
+
+var wp2_dec = (function() {
+  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
+  if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
+  return (
+function(wp2_dec) {
+  wp2_dec = wp2_dec || {};
+
+
+var d;d||(d=typeof wp2_dec !== 'undefined' ? wp2_dec : {});var aa,ba;d.ready=new Promise(function(a,b){aa=a;ba=b});var r={},t;for(t in d)d.hasOwnProperty(t)&&(r[t]=d[t]);var u=!1,v=!1,ca=!1,da=!1;u="object"===typeof window;v="function"===typeof importScripts;ca="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;da=!u&&!ca&&!v;var w="",x,z,ea,fa;
+if(ca)w=v?require("path").dirname(w)+"/":__dirname+"/",x=function(a,b){ea||(ea=require("fs"));fa||(fa=require("path"));a=fa.normalize(a);return ea.readFileSync(a,b?null:"utf8")},z=function(a){a=x(a,!0);a.buffer||(a=new Uint8Array(a));a.buffer||A("Assertion failed: undefined");return a},1<process.argv.length&&process.argv[1].replace(/\\/g,"/"),process.argv.slice(2),process.on("uncaughtException",function(a){throw a;}),process.on("unhandledRejection",A),d.inspect=function(){return"[Emscripten Module object]"};
+else if(da)"undefined"!=typeof read&&(x=function(a){return read(a)}),z=function(a){if("function"===typeof readbuffer)return new Uint8Array(readbuffer(a));a=read(a,"binary");"object"===typeof a||A("Assertion failed: undefined");return a},"undefined"!==typeof print&&("undefined"===typeof console&&(console={}),console.log=print,console.warn=console.error="undefined"!==typeof printErr?printErr:print);else if(u||v)v?w=self.location.href:document.currentScript&&(w=document.currentScript.src),_scriptDir&&
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+d.noExitRuntime&&(noExitRuntime=d.noExitRuntime);"object"!==typeof WebAssembly&&A("no native wasm support detected");var E,ia=new WebAssembly.Table({initial:270,maximum:270,element:"anyfunc"}),ja=!1,ka="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
+function la(a,b,c){var e=b+c;for(c=b;a[c]&&!(c>=e);)++c;if(16<c-b&&a.subarray&&ka)return ka.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 ma(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 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 na="undefined"!==typeof TextDecoder?new TextDecoder("utf-16le"):void 0;
+function oa(a,b){var c=a>>1;for(var e=c+b/2;!(c>=e)&&G[c];)++c;c<<=1;if(32<c-a&&na)return na.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 pa(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 qa(a){return 2*a.length}
+function ra(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 sa(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}I[b>>2]=g;b+=4;if(b+4>c)break}I[b>>2]=0;return b-e}
+function ta(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,ua,F,H,G,I,L,va,wa;function xa(a){J=a;d.HEAP8=ua=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=va=new Float32Array(a);d.HEAPF64=wa=new Float64Array(a)}var ya=d.INITIAL_MEMORY||16777216;d.wasmMemory?E=d.wasmMemory:E=new WebAssembly.Memory({initial:ya/65536,maximum:32768});
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+function A(a){if(d.onAbort)d.onAbort(a);B(a);ja=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");ba(a);throw a;}function Ha(a){var b=Q;return String.prototype.startsWith?b.startsWith(a):0===b.indexOf(a)}function Ia(){return Ha("data:application/octet-stream;base64,")}var Q="wp2_dec.wasm";if(!Ia()){var Ja=Q;Q=d.locateFile?d.locateFile(Ja,w):w+Ja}
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+function Qa(a,b){a=Pa(a);return(new Function("body","return function "+a+'() {\n    "use strict";    return body.apply(this, arguments);\n};\n'))(b)}function Ra(a){var b=Error,c=Qa(a,function(e){this.name=a;this.message=e;e=Error(e).stack;void 0!==e&&(this.stack=this.toString()+"\n"+e.replace(/^Error(:[^\n]*)?\n/,""))});c.prototype=Object.create(b.prototype);c.prototype.constructor=c;c.prototype.toString=function(){return void 0===this.message?this.name:this.name+": "+this.message};return c}
+var Sa=void 0;function W(a){throw new Sa(a);}var Ta=void 0;function Ua(a,b){function c(k){k=b(k);if(k.length!==e.length)throw new Ta("Mismatched type converter count");for(var h=0;h<e.length;++h)X(e[h],k[h])}var e=[];e.forEach(function(k){V[k]=a});var f=Array(a.length),g=[],l=0;a.forEach(function(k,h){U.hasOwnProperty(k)?f[h]=U[k]:(g.push(k),T.hasOwnProperty(k)||(T[k]=[]),T[k].push(function(){f[h]=U[k];++l;l===g.length&&c(f)}))});0===g.length&&c(f)}
+function X(a,b,c){c=c||{};if(!("argPackAdvance"in b))throw new TypeError("registerType registeredInstance requires argPackAdvance");var e=b.name;a||W('type "'+e+'" must have a positive integer typeid pointer');if(U.hasOwnProperty(a)){if(c.fa)return;W("Cannot register type '"+e+"' twice")}U[a]=b;delete V[a];T.hasOwnProperty(a)&&(b=T[a],delete T[a],b.forEach(function(f){f()}))}var Va=[],Y=[{},{value:void 0},{value:null},{value:!0},{value:!1}];
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+if(C)n+="runDestructors(destructors);\n";else for(m=y?1:2;m<h.length;++m)q=1===m?"thisWired":"arg"+(m-2)+"Wired",null!==h[m].Z&&(n+=q+"_dtor("+q+"); // "+h[m].name+"\n",K.push(q+"_dtor"),p.push(h[m].Z));Xa&&(n+="var ret = retType.fromWireType(rv);\nreturn ret;\n");K.push(n+"}\n");h=cb(K).apply(null,p);m=b-1;if(!d.hasOwnProperty(k))throw new Ta("Replacing nonexistant public symbol");void 0!==d[k].Y&&void 0!==m?d[k].Y[m]=h:(d[k]=h,d[k].da=m);return[]})},b:function(a,b,c,e,f){function g(n){return n}
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+h+=g;g=k+1}}else{h=Array(f);for(l=0;l<f;++l)h[l]=String.fromCharCode(F[e+4+l]);h=h.join("")}Z(e);return h},toWireType:function(e,f){f instanceof ArrayBuffer&&(f=new Uint8Array(f));var g="string"===typeof f;g||f instanceof Uint8Array||f instanceof Uint8ClampedArray||f instanceof Int8Array||W("Cannot pass non-string to std::string");var l=(c&&g?function(){for(var n=0,p=0;p<f.length;++p){var q=f.charCodeAt(p);55296<=q&&57343>=q&&(q=65536+((q&1023)<<10)|f.charCodeAt(++p)&1023);127>=q?++n:n=2047>=q?n+
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+k=2);X(a,{name:c,fromWireType:function(h){for(var n=L[h>>2],p=l(),q,y=h+4,C=0;C<=n;++C){var m=h+4+C*b;if(C==n||0==p[m>>k])y=e(y,m-y),void 0===q?q=y:(q+=String.fromCharCode(0),q+=y),y=m+b}Z(h);return q},toWireType:function(h,n){"string"!==typeof n&&W("Cannot pass non-string to C++ string type "+c);var p=g(n),q=ub(4+p+b);L[q>>2]=p>>k;f(n,q+4,p+b);null!==h&&h.push(Z,q);return q},argPackAdvance:8,readValueFromPointer:$a,Z:function(h){Z(h)}})},z:function(a,b){b=S(b);X(a,{ga:!0,name:b,argPackAdvance:0,
+fromWireType:function(){},toWireType:function(){}})},e:Wa,f:function(a){if(0===a)return Za(ob());var b=nb[a];a=void 0===b?S(a):b;return Za(ob()[a])},i:function(a){4<a&&(Y[a].aa+=1)},j:function(a,b,c,e){a||W("Cannot use deleted val. handle = "+a);a=Y[a].value;var f=qb[b];if(!f){f="";for(var g=0;g<b;++g)f+=(0!==g?", ":"")+"arg"+g;var l="return function emval_allocator_"+b+"(constructor, argTypes, args) {\n";for(g=0;g<b;++g)l+="var argType"+g+" = requireRegisteredType(Module['HEAP32'][(argTypes >>> 2) + "+
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+(function(){function a(f){d.asm=f.exports;N--;d.monitorRunDependencies&&d.monitorRunDependencies(N);0==N&&(null!==Ga&&(clearInterval(Ga),Ga=null),O&&(f=O,O=null,f()))}function b(f){a(f.instance)}function c(f){return La().then(function(g){return WebAssembly.instantiate(g,e)}).then(f,function(g){B("failed to asynchronously prepare wasm: "+g);A(g)})}var e={a:vb};N++;d.monitorRunDependencies&&d.monitorRunDependencies(N);if(d.instantiateWasm)try{return d.instantiateWasm(e,a)}catch(f){return B("Module.instantiateWasm callback failed with error: "+
+f),!1}(function(){if(D||"function"!==typeof WebAssembly.instantiateStreaming||Ia()||Ha("file://")||"function"!==typeof fetch)return c(b);fetch(Q,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,e).then(b,function(g){B("wasm streaming compile failed: "+g);B("falling back to ArrayBuffer instantiation");return c(b)})})})();return{}})();
+var Ma=d.___wasm_call_ctors=function(){return(Ma=d.___wasm_call_ctors=d.asm.C).apply(null,arguments)},ub=d._malloc=function(){return(ub=d._malloc=d.asm.D).apply(null,arguments)},Z=d._free=function(){return(Z=d._free=d.asm.E).apply(null,arguments)},kb=d.___getTypeName=function(){return(kb=d.___getTypeName=d.asm.F).apply(null,arguments)};d.___embind_register_native_and_builtin_types=function(){return(d.___embind_register_native_and_builtin_types=d.asm.G).apply(null,arguments)};
+d.dynCall_iii=function(){return(d.dynCall_iii=d.asm.H).apply(null,arguments)};d.dynCall_vii=function(){return(d.dynCall_vii=d.asm.I).apply(null,arguments)};d.dynCall_vi=function(){return(d.dynCall_vi=d.asm.J).apply(null,arguments)};d.dynCall_viii=function(){return(d.dynCall_viii=d.asm.K).apply(null,arguments)};d.dynCall_viiiiiiii=function(){return(d.dynCall_viiiiiiii=d.asm.L).apply(null,arguments)};d.dynCall_ii=function(){return(d.dynCall_ii=d.asm.M).apply(null,arguments)};
+d.dynCall_viiiiiii=function(){return(d.dynCall_viiiiiii=d.asm.N).apply(null,arguments)};d.dynCall_viiiiiiiii=function(){return(d.dynCall_viiiiiiiii=d.asm.O).apply(null,arguments)};d.dynCall_viiii=function(){return(d.dynCall_viiii=d.asm.P).apply(null,arguments)};d.dynCall_viiiiii=function(){return(d.dynCall_viiiiii=d.asm.Q).apply(null,arguments)};d.dynCall_iidiiii=function(){return(d.dynCall_iidiiii=d.asm.R).apply(null,arguments)};d.dynCall_v=function(){return(d.dynCall_v=d.asm.S).apply(null,arguments)};
+d.dynCall_viiiii=function(){return(d.dynCall_viiiii=d.asm.T).apply(null,arguments)};d.dynCall_iiiiii=function(){return(d.dynCall_iiiiii=d.asm.U).apply(null,arguments)};d.dynCall_iiii=function(){return(d.dynCall_iiii=d.asm.V).apply(null,arguments)};d.dynCall_iiiii=function(){return(d.dynCall_iiiii=d.asm.W).apply(null,arguments)};d.dynCall_jiji=function(){return(d.dynCall_jiji=d.asm.X).apply(null,arguments)};var wb;O=function xb(){wb||yb();wb||(O=xb)};
+function yb(){function a(){if(!wb&&(wb=!0,d.calledRun=!0,!ja)){M(Aa);M(Ba);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();Ca.unshift(b)}M(Ca)}}if(!(0<N)){if(d.preRun)for("function"==typeof d.preRun&&(d.preRun=[d.preRun]);d.preRun.length;)Da();M(za);0<N||(d.setStatus?(d.setStatus("Running..."),setTimeout(function(){setTimeout(function(){d.setStatus("")},1);a()},1)):a())}}
+d.run=yb;if(d.preInit)for("function"==typeof d.preInit&&(d.preInit=[d.preInit]);0<d.preInit.length;)d.preInit.pop()();noExitRuntime=!0;yb();
+
+
+  return wp2_dec.ready
+}
+);
+})();
+if (typeof exports === 'object' && typeof module === 'object')
+      module.exports = wp2_dec;
+    else if (typeof define === 'function' && define['amd'])
+      define([], function() { return wp2_dec; });
+    else if (typeof exports === 'object')
+      exports["wp2_dec"] = wp2_dec;
+    

codecs/wp2/enc/README.md

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

codecs/wp2/enc/wp2_enc.cpp

@@ -0,0 +1,38 @@
+#include <emscripten/bind.h>
+#include <emscripten/val.h>
+#include <cstdio>
+#include "src/wp2/encode.h"
+
+using namespace emscripten;
+
+thread_local const val Uint8Array = val::global("Uint8Array");
+
+val encode(std::string image_in, int image_width, int image_height, WP2::EncoderConfig config) {
+  uint8_t* image_buffer = (uint8_t*)image_in.c_str();
+  WP2::ArgbBuffer src = WP2::ArgbBuffer();
+  WP2Status status =
+      src.Import(WP2_rgbA_32,  // Format. WP2_RGBA_32 is the same but NOT premultiplied alpha
+                 image_width, image_height, image_buffer, 4 * image_width);
+  if (status != WP2_STATUS_OK) {
+    return val::null();
+  }
+
+  WP2::MemoryWriter memory_writer;
+  status = WP2::Encode(src, &memory_writer, config);
+  if (status != WP2_STATUS_OK) {
+    return val::null();
+  }
+
+  return Uint8Array.new_(typed_memory_view(memory_writer.size_, memory_writer.mem_));
+}
+
+EMSCRIPTEN_BINDINGS(my_module) {
+  value_object<WP2::EncoderConfig>("WP2EncoderConfig")
+      .field("quality", &WP2::EncoderConfig::quality)
+      .field("alpha_quality", &WP2::EncoderConfig::alpha_quality)
+      .field("speed", &WP2::EncoderConfig::speed)
+      .field("pass", &WP2::EncoderConfig::pass)
+      .field("sns", &WP2::EncoderConfig::sns);
+
+  function("encode", &encode);
+}

codecs/wp2/enc/wp2_enc.d.ts

@@ -0,0 +1,7 @@
+import { EncodeOptions } from '../../../src/codecs/wp2/encoder-meta';
+
+interface WP2Module extends EmscriptenWasm.Module {
+  encode(data: BufferSource, width: number, height: number, options: EncodeOptions): Uint8Array | null;
+}
+
+export default function(opts: EmscriptenWasm.ModuleOpts): Promise<WP2Module>;

codecs/wp2/enc/wp2_enc.js

@@ -0,0 +1,73 @@
+
+var wp2_enc = (function() {
+  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
+  if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
+  return (
+function(wp2_enc) {
+  wp2_enc = wp2_enc || {};
+
+
+var c;c||(c=typeof wp2_enc !== 'undefined' ? wp2_enc : {});var aa,ba;c.ready=new Promise(function(a,b){aa=a;ba=b});var r={},t;for(t in c)c.hasOwnProperty(t)&&(r[t]=c[t]);var u=!1,v=!1,ca=!1,da=!1;u="object"===typeof window;v="function"===typeof importScripts;ca="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;da=!u&&!ca&&!v;var w="",y,B,ea,fa;
+if(ca)w=v?require("path").dirname(w)+"/":__dirname+"/",y=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=y(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),c.inspect=function(){return"[Emscripten Module object]"};
+else if(da)"undefined"!=typeof read&&(y=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(u||v)v?w=self.location.href:document.currentScript&&(w=document.currentScript.src),_scriptDir&&
+(w=_scriptDir),0!==w.indexOf("blob:")?w=w.substr(0,w.lastIndexOf("/")+1):w="",y=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.send(null);return b.responseText},v&&(B=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)});var ha=c.print||console.log.bind(console),D=c.printErr||console.warn.bind(console);for(t in r)r.hasOwnProperty(t)&&(c[t]=r[t]);r=null;var E;c.wasmBinary&&(E=c.wasmBinary);var noExitRuntime;
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+function H(a,b,d){var e=b+d;for(d=b;a[d]&&!(d>=e);)++d;if(16<d-b&&a.subarray&&la)return la.decode(a.subarray(b,d));for(e="";b<d;){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}
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+(function(){function a(f){c.asm=f.exports;O--;c.monitorRunDependencies&&c.monitorRunDependencies(O);0==O&&(null!==Ha&&(clearInterval(Ha),Ha=null),P&&(f=P,P=null,f()))}function b(f){a(f.instance)}function d(f){return Ma().then(function(g){return WebAssembly.instantiate(g,e)}).then(f,function(g){D("failed to asynchronously prepare wasm: "+g);C(g)})}var e={a:wb};O++;c.monitorRunDependencies&&c.monitorRunDependencies(O);if(c.instantiateWasm)try{return c.instantiateWasm(e,a)}catch(f){return D("Module.instantiateWasm callback failed with error: "+
+f),!1}(function(){if(E||"function"!==typeof WebAssembly.instantiateStreaming||Ja()||Ia("file://")||"function"!==typeof fetch)return d(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 d(b)})})})();return{}})();
+var Na=c.___wasm_call_ctors=function(){return(Na=c.___wasm_call_ctors=c.asm.I).apply(null,arguments)},vb=c._malloc=function(){return(vb=c._malloc=c.asm.J).apply(null,arguments)},Z=c._free=function(){return(Z=c._free=c.asm.K).apply(null,arguments)},lb=c.___getTypeName=function(){return(lb=c.___getTypeName=c.asm.L).apply(null,arguments)};c.___embind_register_native_and_builtin_types=function(){return(c.___embind_register_native_and_builtin_types=c.asm.M).apply(null,arguments)};
+c.dynCall_i=function(){return(c.dynCall_i=c.asm.N).apply(null,arguments)};c.dynCall_vi=function(){return(c.dynCall_vi=c.asm.O).apply(null,arguments)};c.dynCall_fii=function(){return(c.dynCall_fii=c.asm.P).apply(null,arguments)};c.dynCall_viif=function(){return(c.dynCall_viif=c.asm.Q).apply(null,arguments)};c.dynCall_iii=function(){return(c.dynCall_iii=c.asm.R).apply(null,arguments)};c.dynCall_viii=function(){return(c.dynCall_viii=c.asm.S).apply(null,arguments)};
+c.dynCall_iiiiii=function(){return(c.dynCall_iiiiii=c.asm.T).apply(null,arguments)};c.dynCall_viiiii=function(){return(c.dynCall_viiiii=c.asm.U).apply(null,arguments)};c.dynCall_vii=function(){return(c.dynCall_vii=c.asm.V).apply(null,arguments)};c.dynCall_viiiiiii=function(){return(c.dynCall_viiiiiii=c.asm.W).apply(null,arguments)};c.dynCall_viiiiiiiii=function(){return(c.dynCall_viiiiiiiii=c.asm.X).apply(null,arguments)};c.dynCall_ii=function(){return(c.dynCall_ii=c.asm.Y).apply(null,arguments)};
+c.dynCall_viiiiiiii=function(){return(c.dynCall_viiiiiiii=c.asm.Z).apply(null,arguments)};c.dynCall_viiii=function(){return(c.dynCall_viiii=c.asm._).apply(null,arguments)};c.dynCall_viiiiii=function(){return(c.dynCall_viiiiii=c.asm.$).apply(null,arguments)};c.dynCall_iidiiii=function(){return(c.dynCall_iidiiii=c.asm.aa).apply(null,arguments)};c.dynCall_iiiii=function(){return(c.dynCall_iiiii=c.asm.ba).apply(null,arguments)};c.dynCall_v=function(){return(c.dynCall_v=c.asm.ca).apply(null,arguments)};
+c.dynCall_fi=function(){return(c.dynCall_fi=c.asm.da).apply(null,arguments)};c.dynCall_iiii=function(){return(c.dynCall_iiii=c.asm.ea).apply(null,arguments)};c.dynCall_iiiiiiiiii=function(){return(c.dynCall_iiiiiiiiii=c.asm.fa).apply(null,arguments)};c.dynCall_jiji=function(){return(c.dynCall_jiji=c.asm.ga).apply(null,arguments)};var xb;P=function yb(){xb||zb();xb||(P=yb)};
+function zb(){function a(){if(!xb&&(xb=!0,c.calledRun=!0,!ka)){za(Ba);za(Ca);aa(c);if(c.onRuntimeInitialized)c.onRuntimeInitialized();if(c.postRun)for("function"==typeof c.postRun&&(c.postRun=[c.postRun]);c.postRun.length;){var b=c.postRun.shift();Da.unshift(b)}za(Da)}}if(!(0<O)){if(c.preRun)for("function"==typeof c.preRun&&(c.preRun=[c.preRun]);c.preRun.length;)Ea();za(Aa);0<O||(c.setStatus?(c.setStatus("Running..."),setTimeout(function(){setTimeout(function(){c.setStatus("")},1);a()},1)):a())}}
+c.run=zb;if(c.preInit)for("function"==typeof c.preInit&&(c.preInit=[c.preInit]);0<c.preInit.length;)c.preInit.pop()();noExitRuntime=!0;zb();
+
+
+  return wp2_enc.ready
+}
+);
+})();
+if (typeof exports === 'object' && typeof module === 'object')
+      module.exports = wp2_enc;
+    else if (typeof define === 'function' && define['amd'])
+      define([], function() { return wp2_enc; });
+    else if (typeof exports === 'object')
+      exports["wp2_enc"] = wp2_enc;
+    

codecs/wp2/package.json

@@ -0,0 +1,6 @@
+{
+  "name": "wp2",
+  "scripts": {
+    "build": "../build-cpp.sh"
+  }
+}

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;