Update codecs/jxl/dec/jxl_dec.cpp

The JXL decoder now does colorspace conversion to sRGB correctly,
independently of the color space that the JPEG XL file was in.

codecs/jxl/.gitignore

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

codecs/jxl/Makefile

@@ -0,0 +1,67 @@
+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} \
+		${LDFLAGS} \
+		--bind \
+		--closure 1 \
+		-s ALLOW_MEMORY_GROWTH=1 \
+		-s MAXIMUM_MEMORY=4GB \
+		-s MODULARIZE=1 \
+		-s 'EXPORT_NAME="$(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 +1,82 @@
+#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");
+
+#define EXPECT_EQ(a, b)     \
+  if ((a) != (b)) {         \
+    JxlDecoderDestroy(dec); \
+    return val::null();     \
+  }
+
+val decode(std::string data) {
+  JxlDecoder* dec = JxlDecoderCreate(nullptr);
+  EXPECT_EQ(JXL_DEC_SUCCESS,
+            JxlDecoderSubscribeEvents(
+                dec, 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, &next_in, &avail_in));
+  size_t buffer_size;
+  const JxlPixelFormat format = {4, JXL_LITTLE_ENDIAN, JXL_TYPE_FLOAT};
+  EXPECT_EQ(JXL_DEC_SUCCESS, JxlDecoderImageOutBufferSize(dec, &format, &buffer_size));
+  JxlBasicInfo info;
+  EXPECT_EQ(JXL_DEC_SUCCESS, JxlDecoderGetBasicInfo(dec, &info));
+
+  EXPECT_EQ(JXL_DEC_COLOR_ENCODING, JxlDecoderProcessInput(dec, &next_in, &avail_in));
+  size_t icc_size;
+  EXPECT_EQ(JXL_DEC_SUCCESS,
+            JxlDecoderGetICCProfileSize(dec, JXL_COLOR_PROFILE_TARGET_DATA, &icc_size));
+  std::vector<uint8_t> icc_profile(icc_size);
+  EXPECT_EQ(JXL_DEC_SUCCESS,
+            JxlDecoderGetColorAsICCProfile(dec, JXL_COLOR_PROFILE_TARGET_DATA, icc_profile.data(),
+                                           icc_profile.size()));
+
+  std::unique_ptr<float[]> float_pixels(new float[(buffer_size + 3) / 4]);
+  EXPECT_EQ(JXL_DEC_SUCCESS,
+            JxlDecoderSetImageOutBuffer(
+                dec, &format, reinterpret_cast<uint8_t*>(float_pixels.get()), buffer_size));
+  EXPECT_EQ(JXL_DEC_FULL_IMAGE, JxlDecoderProcessInput(dec, &next_in, &avail_in));
+  JxlDecoderDestroy(dec);
+#undef EXPECT_EQ
+
+#define EXPECT_TRUE(a)  \
+  if (!(a)) {           \
+    return val::null(); \
+  }
+
+  std::unique_ptr<uint8_t[]> pixels(new uint8_t[info.xsize * info.ysize * 4]);
+  // 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, pixels.get(), skcms_PixelFormat_RGBA_8888, skcms_AlphaFormat_Unpremul,
+      skcms_sRGB_profile(), info.xsize * info.ysize));
+
+  return ImageData.new_(
+      Uint8ClampedArray.new_(typed_memory_view(info.xsize * info.ysize * 4, 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;
+}
+
+export default function(opts: EmscriptenWasm.ModuleOpts): 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:280,maximum:280,element:"anyfunc"}),ka=!1,la="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
+function ma(a,b,c){b>>>=0;var e=b+c;for(c=b;a[c>>>0]&&!(c>=e);)++c;if(16<c-b&&a.subarray&&la)return la.decode(a.subarray(b>>>0,c>>>0));for(e="";b<c;){var f=a[b++>>>0];if(f&128){var g=a[b++>>>0]&63;if(192==(f&224))e+=String.fromCharCode((f&31)<<6|g);else{var l=a[b++>>>0]&63;f=224==(f&240)?(f&15)<<12|g<<6|l:(f&7)<<18|g<<12|l<<6|a[b++>>>0]&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;b>>>=0;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++>>>0]=g}else{if(2047>=g){if(b+1>=c)break;e[b++>>>0]=192|g>>6}else{if(65535>=g){if(b+2>=c)break;e[b++>>>0]=224|g>>12}else{if(b+3>=c)break;e[b++>>>0]=240|g>>18;e[b++>>>0]=128|g>>12&63}e[b++>>>0]=128|g>>6&63}e[b++>>>0]=128|g&63}}e[b>>>0]=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>>>0];)++c;c<<=1;if(32<c-a&&oa)return oa.decode(F.subarray(a>>>0,c>>>0));c=0;for(e="";;){var f=H[a+2*c>>1>>>0];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>>>0]=a.charCodeAt(f),b+=2;H[b>>1>>>0]=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>>>0];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){b>>>=0;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>>>0]=g;b+=4;if(b+4>c)break}I[b>>2>>>0]=0;return b-e}
+function ua(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,L,F,H,G,I,M,va,wa;function xa(a){J=a;d.HEAP8=L=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=M=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:65536});
+E&&(J=E.buffer);ya=J.byteLength;xa(J);I[755548]=8265232;function N(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(d);else{var c=b.da;"number"===typeof c?void 0===b.Z?d.dynCall_v(c):d.dynCall_vi(c,b.Z):c(void 0===b.Z?null:b.Z)}}}var za=[],Aa=[],Ba=[],Ca=[];function Da(){var a=d.preRun.shift();za.unshift(a)}var Ea=Math.ceil,Fa=Math.floor,O=0,Ga=null,Q=null;d.preloadedImages={};d.preloadedAudios={};
+function A(a){if(d.onAbort)d.onAbort(a);B(a);ka=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");ba(a);throw a;}function Ha(a){var b=R;return String.prototype.startsWith?b.startsWith(a):0===b.indexOf(a)}function Ia(){return Ha("data:application/octet-stream;base64,")}var R="jxl_dec.wasm";if(!Ia()){var Ja=R;R=d.locateFile?d.locateFile(Ja,w):w+Ja}
+function Ka(){try{if(D)return new Uint8Array(D);if(z)return z(R);throw"both async and sync fetching of the wasm failed";}catch(a){A(a)}}function La(){return D||!u&&!v||"function"!==typeof fetch||Ha("file://")?new Promise(function(a){a(Ka())}):fetch(R,{credentials:"same-origin"}).then(function(a){if(!a.ok)throw"failed to load wasm binary file at '"+R+"'";return a.arrayBuffer()}).catch(function(){return Ka()})}Aa.push({da:function(){Ma()}});function S(){return 0<S.aa}
+function Na(a){switch(a){case 1:return 0;case 2:return 1;case 4:return 2;case 8:return 3;default:throw new TypeError("Unknown type size: "+a);}}var Oa=void 0;function T(a){for(var b="";F[a>>>0];)b+=Oa[F[a++>>>0]];return b}var U={},V={},Pa={};function Qa(a){if(void 0===a)return"_unknown";a=a.replace(/[^a-zA-Z0-9_]/g,"$");var b=a.charCodeAt(0);return 48<=b&&57>=b?"_"+a:a}
+function Ra(a,b){a=Qa(a);return(new Function("body","return function "+a+'() {\n    "use strict";    return body.apply(this, arguments);\n};\n'))(b)}function Sa(a){var b=Error,c=Ra(a,function(e){this.name=a;this.message=e;e=Error(e).stack;void 0!==e&&(this.stack=this.toString()+"\n"+e.replace(/^Error(:[^\n]*)?\n/,""))});c.prototype=Object.create(b.prototype);c.prototype.constructor=c;c.prototype.toString=function(){return void 0===this.message?this.name:this.name+": "+this.message};return c}
+var Ta=void 0;function W(a){throw new Ta(a);}var Ua=void 0;function Va(a,b){function c(h){h=b(h);if(h.length!==e.length)throw new Ua("Mismatched type converter count");for(var k=0;k<e.length;++k)X(e[k],h[k])}var e=[];e.forEach(function(h){Pa[h]=a});var f=Array(a.length),g=[],l=0;a.forEach(function(h,k){V.hasOwnProperty(h)?f[k]=V[h]:(g.push(h),U.hasOwnProperty(h)||(U[h]=[]),U[h].push(function(){f[k]=V[h];++l;l===g.length&&c(f)}))});0===g.length&&c(f)}
+function X(a,b,c){c=c||{};if(!("argPackAdvance"in b))throw new TypeError("registerType registeredInstance requires argPackAdvance");var e=b.name;a||W('type "'+e+'" must have a positive integer typeid pointer');if(V.hasOwnProperty(a)){if(c.ea)return;W("Cannot register type '"+e+"' twice")}V[a]=b;delete Pa[a];U.hasOwnProperty(a)&&(b=U[a],delete U[a],b.forEach(function(f){f()}))}var Wa=[],Y=[{},{value:void 0},{value:null},{value:!0},{value:!1}];
+function Xa(a){4<a&&0===--Y[a].$&&(Y[a]=void 0,Wa.push(a))}function Ya(a){switch(a){case void 0:return 1;case null:return 2;case !0:return 3;case !1:return 4;default:var b=Wa.length?Wa.pop():Y.length;Y[b]={$:1,value:a};return b}}function Za(a){return this.fromWireType(M[a>>>2])}function $a(a){if(null===a)return"null";var b=typeof a;return"object"===b||"array"===b||"function"===b?a.toString():""+a}
+function cb(a,b){switch(b){case 2:return function(c){return this.fromWireType(va[c>>>2])};case 3:return function(c){return this.fromWireType(wa[c>>>3])};default:throw new TypeError("Unknown float type: "+a);}}function db(a){var b=Function;if(!(b instanceof Function))throw new TypeError("new_ called with constructor type "+typeof b+" which is not a function");var c=Ra(b.name||"unknownFunctionName",function(){});c.prototype=b.prototype;c=new c;a=b.apply(c,a);return a instanceof Object?a:c}
+function eb(a){for(;a.length;){var b=a.pop();a.pop()(b)}}function fb(a,b){var c=d;if(void 0===c[a].X){var e=c[a];c[a]=function(){c[a].X.hasOwnProperty(arguments.length)||W("Function '"+b+"' called with an invalid number of arguments ("+arguments.length+") - expects one of ("+c[a].X+")!");return c[a].X[arguments.length].apply(this,arguments)};c[a].X=[];c[a].X[e.ba]=e}}
+function gb(a,b,c){d.hasOwnProperty(a)?((void 0===c||void 0!==d[a].X&&void 0!==d[a].X[c])&&W("Cannot register public name '"+a+"' twice"),fb(a,a),d.hasOwnProperty(c)&&W("Cannot register multiple overloads of a function with the same number of arguments ("+c+")!"),d[a].X[c]=b):(d[a]=b,void 0!==c&&(d[a].ga=c))}function hb(a,b){for(var c=[],e=0;e<a;e++)c.push(I[(b>>2)+e>>>0]);return c}
+function ib(a,b){a=T(a);var c=d["dynCall_"+a];for(var e=[],f=1;f<a.length;++f)e.push("a"+f);f="return function dynCall_"+(a+"_"+b)+"("+e.join(", ")+") {\n";f+="    return dynCall(rawFunction"+(e.length?", ":"")+e.join(", ")+");\n";c=(new Function("dynCall","rawFunction",f+"};\n"))(c,b);"function"!==typeof c&&W("unknown function pointer with signature "+a+": "+b);return c}var jb=void 0;function kb(a){a=lb(a);var b=T(a);Z(a);return b}
+function mb(a,b){function c(g){f[g]||V[g]||(Pa[g]?Pa[g].forEach(c):(e.push(g),f[g]=!0))}var e=[],f={};b.forEach(c);throw new jb(a+": "+e.map(kb).join([", "]));}function nb(a,b,c){switch(b){case 0:return c?function(e){return L[e>>>0]}:function(e){return F[e>>>0]};case 1:return c?function(e){return H[e>>>1]}:function(e){return G[e>>>1]};case 2:return c?function(e){return I[e>>>2]}:function(e){return M[e>>>2]};default:throw new TypeError("Unknown integer type: "+a);}}var ob={};
+function pb(){return"object"===typeof globalThis?globalThis:Function("return this")()}function qb(a,b){var c=V[a];void 0===c&&W(b+" has unknown type "+kb(a));return c}var rb={},sb={};function tb(){if(!ub){var a={USER:"web_user",LOGNAME:"web_user",PATH:"/",PWD:"/",HOME:"/home/web_user",LANG:("object"===typeof navigator&&navigator.languages&&navigator.languages[0]||"C").replace("-","_")+".UTF-8",_:ca||"./this.program"},b;for(b in sb)a[b]=sb[b];var c=[];for(b in a)c.push(b+"="+a[b]);ub=c}return ub}
+for(var ub,vb=[null,[],[]],wb=Array(256),xb=0;256>xb;++xb)wb[xb]=String.fromCharCode(xb);Oa=wb;Ta=d.BindingError=Sa("BindingError");Ua=d.InternalError=Sa("InternalError");d.count_emval_handles=function(){for(var a=0,b=5;b<Y.length;++b)void 0!==Y[b]&&++a;return a};d.get_first_emval=function(){for(var a=5;a<Y.length;++a)if(void 0!==Y[a])return Y[a];return null};jb=d.UnboundTypeError=Sa("UnboundTypeError");
+var zb={q:function(a){return yb(a)},l:function(){},p:function(a){"uncaught_exception"in S?S.aa++:S.aa=1;throw a;},z:function(a,b,c,e,f){var g=Na(c);b=T(b);X(a,{name:b,fromWireType:function(l){return!!l},toWireType:function(l,h){return h?e:f},argPackAdvance:8,readValueFromPointer:function(l){if(1===c)var h=L;else if(2===c)h=H;else if(4===c)h=I;else throw new TypeError("Unknown boolean type size: "+b);return this.fromWireType(h[l>>>g])},Y:null})},y:function(a,b){b=T(b);X(a,{name:b,fromWireType:function(c){var e=
+Y[c].value;Xa(c);return e},toWireType:function(c,e){return Ya(e)},argPackAdvance:8,readValueFromPointer:Za,Y:null})},j:function(a,b,c){c=Na(c);b=T(b);X(a,{name:b,fromWireType:function(e){return e},toWireType:function(e,f){if("number"!==typeof f&&"boolean"!==typeof f)throw new TypeError('Cannot convert "'+$a(f)+'" to '+this.name);return f},argPackAdvance:8,readValueFromPointer:cb(b,c),Y:null})},n:function(a,b,c,e,f,g){var l=hb(b,c);a=T(a);f=ib(e,f);gb(a,function(){mb("Cannot call "+a+" due to unbound types",
+l)},b-1);Va(l,function(h){var k=[h[0],null].concat(h.slice(1)),m=h=a,p=f,q=k.length;2>q&&W("argTypes array size mismatch! Must at least get return value and 'this' types!");for(var y=null!==k[1]&&!1,C=!1,n=1;n<k.length;++n)if(null!==k[n]&&void 0===k[n].Y){C=!0;break}var ab="void"!==k[0].name,K="",P="";for(n=0;n<q-2;++n)K+=(0!==n?", ":"")+"arg"+n,P+=(0!==n?", ":"")+"arg"+n+"Wired";m="return function "+Qa(m)+"("+K+") {\nif (arguments.length !== "+(q-2)+") {\nthrowBindingError('function "+m+" called with ' + arguments.length + ' arguments, expected "+
+(q-2)+" args!');\n}\n";C&&(m+="var destructors = [];\n");var bb=C?"destructors":"null";K="throwBindingError invoker fn runDestructors retType classParam".split(" ");p=[W,p,g,eb,k[0],k[1]];y&&(m+="var thisWired = classParam.toWireType("+bb+", this);\n");for(n=0;n<q-2;++n)m+="var arg"+n+"Wired = argType"+n+".toWireType("+bb+", arg"+n+"); // "+k[n+2].name+"\n",K.push("argType"+n),p.push(k[n+2]);y&&(P="thisWired"+(0<P.length?", ":"")+P);m+=(ab?"var rv = ":"")+"invoker(fn"+(0<P.length?", ":"")+P+");\n";
+if(C)m+="runDestructors(destructors);\n";else for(n=y?1:2;n<k.length;++n)q=1===n?"thisWired":"arg"+(n-2)+"Wired",null!==k[n].Y&&(m+=q+"_dtor("+q+"); // "+k[n].name+"\n",K.push(q+"_dtor"),p.push(k[n].Y));ab&&(m+="var ret = retType.fromWireType(rv);\nreturn ret;\n");K.push(m+"}\n");k=db(K).apply(null,p);n=b-1;if(!d.hasOwnProperty(h))throw new Ua("Replacing nonexistant public symbol");void 0!==d[h].X&&void 0!==n?d[h].X[n]=k:(d[h]=k,d[h].ba=n);return[]})},b:function(a,b,c,e,f){function g(m){return m}
+b=T(b);-1===f&&(f=4294967295);var l=Na(c);if(0===e){var h=32-8*c;g=function(m){return m<<h>>>h}}var k=-1!=b.indexOf("unsigned");X(a,{name:b,fromWireType:g,toWireType:function(m,p){if("number"!==typeof p&&"boolean"!==typeof p)throw new TypeError('Cannot convert "'+$a(p)+'" to '+this.name);if(p<e||p>f)throw new TypeError('Passing a number "'+$a(p)+'" from JS side to C/C++ side to an argument of type "'+b+'", which is outside the valid range ['+e+", "+f+"]!");return k?p>>>0:p|0},argPackAdvance:8,readValueFromPointer:nb(b,
+l,0!==e),Y:null})},a:function(a,b,c){function e(g){g>>=2;var l=M;return new f(J,l[g+1>>>0],l[g>>>0])}var f=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array][b];c=T(c);X(a,{name:c,fromWireType:e,argPackAdvance:8,readValueFromPointer:e},{ea:!0})},k:function(a,b){b=T(b);var c="std::string"===b;X(a,{name:b,fromWireType:function(e){var f=M[e>>>2];if(c)for(var g=e+4,l=0;l<=f;++l){var h=e+4+l;if(l==f||0==F[h>>>0]){var k=g;g=(k>>>=0)?ma(F,k,h-g):"";if(void 0===
+m)var m=g;else m+=String.fromCharCode(0),m+=g;g=h+1}}else{m=Array(f);for(l=0;l<f;++l)m[l]=String.fromCharCode(F[e+4+l>>>0]);m=m.join("")}Z(e);return m},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 m=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?++m:m=2047>=q?m+2:65535>=q?m+3:m+4}return m}:function(){return f.length})(),h=yb(4+l+1);h>>>=0;M[h>>>2]=l;if(c&&g)na(f,h+4,l+1);else if(g)for(g=0;g<l;++g){var k=f.charCodeAt(g);255<k&&(Z(h),W("String has UTF-16 code units that do not fit in 8 bits"));F[h+4+g>>>0]=k}else for(g=0;g<l;++g)F[h+4+g>>>0]=f[g];null!==e&&e.push(Z,h);return h},argPackAdvance:8,readValueFromPointer:Za,Y:function(e){Z(e)}})},d:function(a,b,c){c=T(c);if(2===b){var e=pa;var f=qa;var g=ra;var l=function(){return G};
+var h=1}else 4===b&&(e=sa,f=ta,g=ua,l=function(){return M},h=2);X(a,{name:c,fromWireType:function(k){for(var m=M[k>>>2],p=l(),q,y=k+4,C=0;C<=m;++C){var n=k+4+C*b;if(C==m||0==p[n>>>h])y=e(y,n-y),void 0===q?q=y:(q+=String.fromCharCode(0),q+=y),y=n+b}Z(k);return q},toWireType:function(k,m){"string"!==typeof m&&W("Cannot pass non-string to C++ string type "+c);var p=g(m),q=yb(4+p+b);q>>>=0;M[q>>>2]=p>>h;f(m,q+4,p+b);null!==k&&k.push(Z,q);return q},argPackAdvance:8,readValueFromPointer:Za,Y:function(k){Z(k)}})},
+m:function(a,b){b=T(b);X(a,{fa:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},w:Xa,A:function(a){if(0===a)return Ya(pb());var b=ob[a];a=void 0===b?T(a):b;return Ya(pb()[a])},o:function(a){4<a&&(Y[a].$+=1)},f:function(a,b,c,e){a||W("Cannot use deleted val. handle = "+a);a=Y[a].value;var f=rb[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")))(qb,d,Ya);rb[b]=f}return f(a,c,e)},e:function(){A()},t:function(a,b,c){F.copyWithin(a>>>0,b>>>0,b+c>>>0)},c:function(a){a>>>=0;var b=F.length;if(4294967296<a)return!1;
+for(var c=1;4>=c;c*=2){var e=b*(1+.2/c);e=Math.min(e,a+100663296);e=Math.max(16777216,a,e);0<e%65536&&(e+=65536-e%65536);a:{try{E.grow(Math.min(4294967296,e)-J.byteLength+65535>>>16);xa(E.buffer);var f=1;break a}catch(g){}f=void 0}if(f)return!0}return!1},u:function(a,b){var c=0;tb().forEach(function(e,f){var g=b+c;f=I[a+4*f>>2>>>0]=g;for(g=0;g<e.length;++g)L[f++>>0>>>0]=e.charCodeAt(g);L[f>>0>>>0]=0;c+=e.length+1});return 0},v:function(a,b){var c=tb();I[a>>2>>>0]=c.length;var e=0;c.forEach(function(f){e+=
+f.length+1});I[b>>2>>>0]=e;return 0},x:function(){return 0},r:function(){},h:function(a,b,c,e){for(var f=0,g=0;g<c;g++){for(var l=I[b+8*g>>2>>>0],h=I[b+(8*g+4)>>2>>>0],k=0;k<h;k++){var m=F[l+k>>>0],p=vb[a];0===m||10===m?((1===a?ia:B)(ma(p,0)),p.length=0):p.push(m)}f+=h}I[e>>2>>>0]=f;return 0},memory:E,g:function(a){a=+a;return 0<=a?+Fa(a+.5):+Ea(a-.5)},i:function(a){a=+a;return 0<=a?+Fa(a+.5):+Ea(a-.5)},s:function(){},table:ja};
+(function(){function a(f){d.asm=f.exports;O--;d.monitorRunDependencies&&d.monitorRunDependencies(O);0==O&&(null!==Ga&&(clearInterval(Ga),Ga=null),Q&&(f=Q,Q=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:zb};O++;d.monitorRunDependencies&&d.monitorRunDependencies(O);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(R,{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.B).apply(null,arguments)},yb=d._malloc=function(){return(yb=d._malloc=d.asm.C).apply(null,arguments)},Z=d._free=function(){return(Z=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)};
+d.dynCall_iii=function(){return(d.dynCall_iii=d.asm.G).apply(null,arguments)};d.dynCall_vii=function(){return(d.dynCall_vii=d.asm.H).apply(null,arguments)};d.dynCall_vi=function(){return(d.dynCall_vi=d.asm.I).apply(null,arguments)};d.dynCall_ii=function(){return(d.dynCall_ii=d.asm.J).apply(null,arguments)};d.dynCall_iidiiii=function(){return(d.dynCall_iidiiii=d.asm.K).apply(null,arguments)};d.dynCall_iiiiiii=function(){return(d.dynCall_iiiiiii=d.asm.L).apply(null,arguments)};
+d.dynCall_viii=function(){return(d.dynCall_viii=d.asm.M).apply(null,arguments)};d.dynCall_viiii=function(){return(d.dynCall_viiii=d.asm.N).apply(null,arguments)};d.dynCall_v=function(){return(d.dynCall_v=d.asm.O).apply(null,arguments)};d.dynCall_viiiiiii=function(){return(d.dynCall_viiiiiii=d.asm.P).apply(null,arguments)};d.dynCall_viiiiii=function(){return(d.dynCall_viiiiii=d.asm.Q).apply(null,arguments)};d.dynCall_iiii=function(){return(d.dynCall_iiii=d.asm.R).apply(null,arguments)};
+d.dynCall_iiiii=function(){return(d.dynCall_iiiii=d.asm.S).apply(null,arguments)};d.dynCall_iiji=function(){return(d.dynCall_iiji=d.asm.T).apply(null,arguments)};d.dynCall_iifi=function(){return(d.dynCall_iifi=d.asm.U).apply(null,arguments)};d.dynCall_jiji=function(){return(d.dynCall_jiji=d.asm.V).apply(null,arguments)};d.dynCall_viiiii=function(){return(d.dynCall_viiiii=d.asm.W).apply(null,arguments)};var Ab;Q=function Bb(){Ab||Cb();Ab||(Q=Bb)};
+function Cb(){function a(){if(!Ab&&(Ab=!0,d.calledRun=!0,!ka)){N(Aa);N(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)}N(Ca)}}if(!(0<O)){if(d.preRun)for("function"==typeof d.preRun&&(d.preRun=[d.preRun]);d.preRun.length;)Da();N(za);0<O||(d.setStatus?(d.setStatus("Running..."),setTimeout(function(){setTimeout(function(){d.setStatus("")},1);a()},1)):a())}}
+d.run=Cb;if(d.preInit)for("function"==typeof d.preInit&&(d.preInit=[d.preInit]);0<d.preInit.length;)d.preInit.pop()();noExitRuntime=!0;Cb();
+
+
+  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 +1,60 @@
+#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()));
+  }
+
+  // TODO: Any freeing that needs to be done?
+  //
+  return js_result;
+}
+
+void free_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 +1,8 @@
+import { EncodeOptions } from '../../src/codecs/jxl/encoder-meta';
+
+interface JXLModule extends EmscriptenWasm.Module {
+  encode(data: BufferSource, width: number, height: number, options: EncodeOptions): Uint8Array;
+}
+
+
+export default function(opts: EmscriptenWasm.ModuleOpts): JXLModule;

codecs/jxl/enc/jxl_enc.js

@@ -0,0 +1,117 @@
+
+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,z=!1,ea=!1;da="object"===typeof window;w="function"===typeof importScripts;z="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;ea=!da&&!z&&!w;var A="",fa,ha,ia,ka;
+if(z)A=w?require("path").dirname(A)+"/":__dirname+"/",fa=function(a,b){ia||(ia=require("fs"));ka||(ka=require("path"));a=ka.normalize(a);return ia.readFileSync(a,b?null:"utf8")},ha=function(a){a=fa(a,!0);a.buffer||(a=new Uint8Array(a));assert(a.buffer);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",B),f.inspect=function(){return"[Emscripten Module object]"};else if(ea)"undefined"!=
+typeof read&&(fa=function(a){return read(a)}),ha=function(a){if("function"===typeof readbuffer)return new Uint8Array(readbuffer(a));a=read(a,"binary");assert("object"===typeof a);return a},"undefined"!==typeof print&&("undefined"===typeof console&&(console={}),console.log=print,console.warn=console.error="undefined"!==typeof printErr?printErr:print);else if(da||w)w?A=self.location.href:document.currentScript&&(A=document.currentScript.src),_scriptDir&&(A=_scriptDir),0!==A.indexOf("blob:")?A=A.substr(0,
+A.lastIndexOf("/")+1):A="",fa=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.send(null);return b.responseText},w&&(ha=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)});var la=f.print||console.log.bind(console),C=f.printErr||console.warn.bind(console);for(t in p)p.hasOwnProperty(t)&&(f[t]=p[t]);p=null;f.thisProgram&&(ca=f.thisProgram);var ma;f.wasmBinary&&(ma=f.wasmBinary);var noExitRuntime;
+f.noExitRuntime&&(noExitRuntime=f.noExitRuntime);"object"!==typeof WebAssembly&&B("no native wasm support detected");var D,na=new WebAssembly.Table({initial:780,maximum:780,element:"anyfunc"}),oa=!1;function assert(a,b){a||B("Assertion failed: "+b)}var pa="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
+function qa(a,b,c){b>>>=0;var d=b+c;for(c=b;a[c>>>0]&&!(c>=d);)++c;if(16<c-b&&a.subarray&&pa)return pa.decode(a.subarray(b>>>0,c>>>0));for(d="";b<c;){var e=a[b++>>>0];if(e&128){var g=a[b++>>>0]&63;if(192==(e&224))d+=String.fromCharCode((e&31)<<6|g);else{var k=a[b++>>>0]&63;e=224==(e&240)?(e&15)<<12|g<<6|k:(e&7)<<18|g<<12|k<<6|a[b++>>>0]&63;65536>e?d+=String.fromCharCode(e):(e-=65536,d+=String.fromCharCode(55296|e>>10,56320|e&1023))}}else d+=String.fromCharCode(e)}return d}
+function ra(a,b){return(a>>>=0)?qa(E,a,b):""}
+function sa(a,b,c,d){c>>>=0;if(!(0<d))return 0;var e=c;d=c+d-1;for(var g=0;g<a.length;++g){var k=a.charCodeAt(g);if(55296<=k&&57343>=k){var m=a.charCodeAt(++g);k=65536+((k&1023)<<10)|m&1023}if(127>=k){if(c>=d)break;b[c++>>>0]=k}else{if(2047>=k){if(c+1>=d)break;b[c++>>>0]=192|k>>6}else{if(65535>=k){if(c+2>=d)break;b[c++>>>0]=224|k>>12}else{if(c+3>=d)break;b[c++>>>0]=240|k>>18;b[c++>>>0]=128|k>>12&63}b[c++>>>0]=128|k>>6&63}b[c++>>>0]=128|k&63}}b[c>>>0]=0;return c-e}
+function ta(a){for(var b=0,c=0;c<a.length;++c){var d=a.charCodeAt(c);55296<=d&&57343>=d&&(d=65536+((d&1023)<<10)|a.charCodeAt(++c)&1023);127>=d?++b:b=2047>=d?b+2:65535>=d?b+3:b+4}return b}var ua="undefined"!==typeof TextDecoder?new TextDecoder("utf-16le"):void 0;function va(a,b){var c=a>>1;for(var d=c+b/2;!(c>=d)&&wa[c>>>0];)++c;c<<=1;if(32<c-a&&ua)return ua.decode(E.subarray(a>>>0,c>>>0));c=0;for(d="";;){var e=G[a+2*c>>1>>>0];if(0==e||c==b/2)return d;++c;d+=String.fromCharCode(e)}}
+function xa(a,b,c){void 0===c&&(c=2147483647);if(2>c)return 0;c-=2;var d=b;c=c<2*a.length?c/2:a.length;for(var e=0;e<c;++e)G[b>>1>>>0]=a.charCodeAt(e),b+=2;G[b>>1>>>0]=0;return b-d}function ya(a){return 2*a.length}function za(a,b){for(var c=0,d="";!(c>=b/4);){var e=H[a+4*c>>2>>>0];if(0==e)break;++c;65536<=e?(e-=65536,d+=String.fromCharCode(55296|e>>10,56320|e&1023)):d+=String.fromCharCode(e)}return d}
+function Aa(a,b,c){b>>>=0;void 0===c&&(c=2147483647);if(4>c)return 0;var d=b;c=d+c-4;for(var e=0;e<a.length;++e){var g=a.charCodeAt(e);if(55296<=g&&57343>=g){var k=a.charCodeAt(++e);g=65536+((g&1023)<<10)|k&1023}H[b>>2>>>0]=g;b+=4;if(b+4>c)break}H[b>>2>>>0]=0;return b-d}function Ba(a){for(var b=0,c=0;c<a.length;++c){var d=a.charCodeAt(c);55296<=d&&57343>=d&&++c;b+=4}return b}var I,J,E,G,wa,H,K,Ca,Da;
+function Ea(a){I=a;f.HEAP8=J=new Int8Array(a);f.HEAP16=G=new Int16Array(a);f.HEAP32=H=new Int32Array(a);f.HEAPU8=E=new Uint8Array(a);f.HEAPU16=wa=new Uint16Array(a);f.HEAPU32=K=new Uint32Array(a);f.HEAPF32=Ca=new Float32Array(a);f.HEAPF64=Da=new Float64Array(a)}var Fa=f.INITIAL_MEMORY||16777216;f.wasmMemory?D=f.wasmMemory:D=new WebAssembly.Memory({initial:Fa/65536,maximum:65536});D&&(I=D.buffer);Fa=I.byteLength;Ea(I);H[771900]=8330640;
+function Ga(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(f);else{var c=b.eb;"number"===typeof c?void 0===b.Ma?f.dynCall_v(c):f.dynCall_vi(c,b.Ma):c(void 0===b.Ma?null:b.Ma)}}}var Ha=[],Ia=[],Ja=[],Ka=[];function La(){var a=f.preRun.shift();Ha.unshift(a)}var Ma=Math.abs,Na=Math.ceil,Oa=Math.floor,Pa=Math.min,L=0,Qa=null,Ra=null;f.preloadedImages={};f.preloadedAudios={};
+function B(a){if(f.onAbort)f.onAbort(a);C(a);oa=!0;a=new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");ba(a);throw a;}function Sa(a){var b=M;return String.prototype.startsWith?b.startsWith(a):0===b.indexOf(a)}function Ta(){return Sa("data:application/octet-stream;base64,")}var M="jxl_enc.wasm";if(!Ta()){var Ua=M;M=f.locateFile?f.locateFile(Ua,A):A+Ua}
+function Va(){try{if(ma)return new Uint8Array(ma);if(ha)return ha(M);throw"both async and sync fetching of the wasm failed";}catch(a){B(a)}}function Wa(){return ma||!da&&!w||"function"!==typeof fetch||Sa("file://")?new Promise(function(a){a(Va())}):fetch(M,{credentials:"same-origin"}).then(function(a){if(!a.ok)throw"failed to load wasm binary file at '"+M+"'";return a.arrayBuffer()}).catch(function(){return Va()})}var N,Xa;Ia.push({eb:function(){Ya()}});function Za(){return 0<Za.Ia}
+function $a(a,b){for(var c=0,d=a.length-1;0<=d;d--){var e=a[d];"."===e?a.splice(d,1):".."===e?(a.splice(d,1),c++):c&&(a.splice(d,1),c--)}if(b)for(;c;c--)a.unshift("..");return a}function ab(a){var b="/"===a.charAt(0),c="/"===a.substr(-1);(a=$a(a.split("/").filter(function(d){return!!d}),!b).join("/"))||b||(a=".");a&&c&&(a+="/");return(b?"/":"")+a}
+function bb(a){var b=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/.exec(a).slice(1);a=b[0];b=b[1];if(!a&&!b)return".";b&&(b=b.substr(0,b.length-1));return a+b}function cb(a){if("/"===a)return"/";var b=a.lastIndexOf("/");return-1===b?a:a.substr(b+1)}
+function db(){for(var a="",b=!1,c=arguments.length-1;-1<=c&&!b;c--){b=0<=c?arguments[c]:"/";if("string"!==typeof b)throw new TypeError("Arguments to path.resolve must be strings");if(!b)return"";a=b+"/"+a;b="/"===b.charAt(0)}a=$a(a.split("/").filter(function(d){return!!d}),!b).join("/");return(b?"/":"")+a||"."}var eb=[];function fb(a,b){eb[a]={input:[],output:[],Ba:b};gb(a,hb)}
+var hb={open:function(a){var b=eb[a.node.rdev];if(!b)throw new O(43);a.tty=b;a.seekable=!1},close:function(a){a.tty.Ba.flush(a.tty)},flush:function(a){a.tty.Ba.flush(a.tty)},read:function(a,b,c,d){if(!a.tty||!a.tty.Ba.Xa)throw new O(60);for(var e=0,g=0;g<d;g++){try{var k=a.tty.Ba.Xa(a.tty)}catch(m){throw new O(29);}if(void 0===k&&0===e)throw new O(6);if(null===k||void 0===k)break;e++;b[c+g]=k}e&&(a.node.timestamp=Date.now());return e},write:function(a,b,c,d){if(!a.tty||!a.tty.Ba.Oa)throw new O(60);
+try{for(var e=0;e<d;e++)a.tty.Ba.Oa(a.tty,b[c+e])}catch(g){throw new O(29);}d&&(a.node.timestamp=Date.now());return e}},jb={Xa:function(a){if(!a.input.length){var b=null;if(z){var c=Buffer.Ia?Buffer.Ia(256):new Buffer(256),d=0;try{d=ia.readSync(process.stdin.fd,c,0,256,null)}catch(e){if(-1!=e.toString().indexOf("EOF"))d=0;else throw e;}0<d?b=c.slice(0,d).toString("utf-8"):b=null}else"undefined"!=typeof window&&"function"==typeof window.prompt?(b=window.prompt("Input: "),null!==b&&(b+="\n")):"function"==
+typeof readline&&(b=readline(),null!==b&&(b+="\n"));if(!b)return null;a.input=ib(b,!0)}return a.input.shift()},Oa:function(a,b){null===b||10===b?(la(qa(a.output,0)),a.output=[]):0!=b&&a.output.push(b)},flush:function(a){a.output&&0<a.output.length&&(la(qa(a.output,0)),a.output=[])}},kb={Oa:function(a,b){null===b||10===b?(C(qa(a.output,0)),a.output=[]):0!=b&&a.output.push(b)},flush:function(a){a.output&&0<a.output.length&&(C(qa(a.output,0)),a.output=[])}},P={ta:null,ya:function(){return P.createNode(null,
+"/",16895,0)},createNode:function(a,b,c,d){if(24576===(c&61440)||4096===(c&61440))throw new O(63);P.ta||(P.ta={dir:{node:{za:P.pa.za,va:P.pa.va,lookup:P.pa.lookup,Fa:P.pa.Fa,rename:P.pa.rename,unlink:P.pa.unlink,rmdir:P.pa.rmdir,readdir:P.pa.readdir,symlink:P.pa.symlink},stream:{Aa:P.qa.Aa}},file:{node:{za:P.pa.za,va:P.pa.va},stream:{Aa:P.qa.Aa,read:P.qa.read,write:P.qa.write,Ra:P.qa.Ra,Ya:P.qa.Ya,Ha:P.qa.Ha}},link:{node:{za:P.pa.za,va:P.pa.va,readlink:P.pa.readlink},stream:{}},Sa:{node:{za:P.pa.za,
+va:P.pa.va},stream:lb}});c=mb(a,b,c,d);16384===(c.mode&61440)?(c.pa=P.ta.dir.node,c.qa=P.ta.dir.stream,c.oa={}):32768===(c.mode&61440)?(c.pa=P.ta.file.node,c.qa=P.ta.file.stream,c.ra=0,c.oa=null):40960===(c.mode&61440)?(c.pa=P.ta.link.node,c.qa=P.ta.link.stream):8192===(c.mode&61440)&&(c.pa=P.ta.Sa.node,c.qa=P.ta.Sa.stream);c.timestamp=Date.now();a&&(a.oa[b]=c);return c},xb:function(a){if(a.oa&&a.oa.subarray){for(var b=[],c=0;c<a.ra;++c)b.push(a.oa[c]);return b}return a.oa},yb:function(a){return a.oa?
+a.oa.subarray?a.oa.subarray(0,a.ra):new Uint8Array(a.oa):new Uint8Array(0)},Ta:function(a,b){b>>>=0;var c=a.oa?a.oa.length:0;c>=b||(b=Math.max(b,c*(1048576>c?2:1.125)>>>0),0!=c&&(b=Math.max(b,256)),c=a.oa,a.oa=new Uint8Array(b),0<a.ra&&a.oa.set(c.subarray(0,a.ra),0))},nb:function(a,b){b>>>=0;if(a.ra!=b)if(0==b)a.oa=null,a.ra=0;else{if(!a.oa||a.oa.subarray){var c=a.oa;a.oa=new Uint8Array(b);c&&a.oa.set(c.subarray(0,Math.min(b,a.ra)))}else if(a.oa||(a.oa=[]),a.oa.length>b)a.oa.length=b;else for(;a.oa.length<
+b;)a.oa.push(0);a.ra=b}},pa:{za:function(a){var b={};b.dev=8192===(a.mode&61440)?a.id:1;b.ino=a.id;b.mode=a.mode;b.nlink=1;b.uid=0;b.gid=0;b.rdev=a.rdev;16384===(a.mode&61440)?b.size=4096:32768===(a.mode&61440)?b.size=a.ra:40960===(a.mode&61440)?b.size=a.link.length:b.size=0;b.atime=new Date(a.timestamp);b.mtime=new Date(a.timestamp);b.ctime=new Date(a.timestamp);b.bb=4096;b.blocks=Math.ceil(b.size/b.bb);return b},va:function(a,b){void 0!==b.mode&&(a.mode=b.mode);void 0!==b.timestamp&&(a.timestamp=
+b.timestamp);void 0!==b.size&&P.nb(a,b.size)},lookup:function(){throw nb[44];},Fa:function(a,b,c,d){return P.createNode(a,b,c,d)},rename:function(a,b,c){if(16384===(a.mode&61440)){try{var d=ob(b,c)}catch(g){}if(d)for(var e in d.oa)throw new O(55);}delete a.parent.oa[a.name];a.name=c;b.oa[c]=a;a.parent=b},unlink:function(a,b){delete a.oa[b]},rmdir:function(a,b){var c=ob(a,b),d;for(d in c.oa)throw new O(55);delete a.oa[b]},readdir:function(a){var b=[".",".."],c;for(c in a.oa)a.oa.hasOwnProperty(c)&&
+b.push(c);return b},symlink:function(a,b,c){a=P.createNode(a,b,41471,0);a.link=c;return a},readlink:function(a){if(40960!==(a.mode&61440))throw new O(28);return a.link}},qa:{read:function(a,b,c,d,e){var g=a.node.oa;if(e>=a.node.ra)return 0;a=Math.min(a.node.ra-e,d);if(8<a&&g.subarray)b.set(g.subarray(e,e+a),c);else for(d=0;d<a;d++)b[c+d]=g[e+d];return a},write:function(a,b,c,d,e,g){b.buffer===J.buffer&&(g=!1);if(!d)return 0;a=a.node;a.timestamp=Date.now();if(b.subarray&&(!a.oa||a.oa.subarray)){if(g)return a.oa=
+b.subarray(c,c+d),a.ra=d;if(0===a.ra&&0===e)return a.oa=b.slice(c,c+d),a.ra=d;if(e+d<=a.ra)return a.oa.set(b.subarray(c,c+d),e),d}P.Ta(a,e+d);if(a.oa.subarray&&b.subarray)a.oa.set(b.subarray(c,c+d),e);else for(g=0;g<d;g++)a.oa[e+g]=b[c+g];a.ra=Math.max(a.ra,e+d);return d},Aa:function(a,b,c){1===c?b+=a.position:2===c&&32768===(a.node.mode&61440)&&(b+=a.node.ra);if(0>b)throw new O(28);return b},Ra:function(a,b,c){P.Ta(a.node,b+c);a.node.ra=Math.max(a.node.ra,b+c)},Ya:function(a,b,c,d,e,g){assert(0===
+b);if(32768!==(a.node.mode&61440))throw new O(43);a=a.node.oa;if(g&2||a.buffer!==I){if(0<d||d+c<a.length)a.subarray?a=a.subarray(d,d+c):a=Array.prototype.slice.call(a,d,d+c);d=!0;g=16384*Math.ceil(c/16384);for(b=pb(g);c<g;)J[b+c++>>>0]=0;c=b;if(!c)throw new O(48);c>>>=0;J.set(a,c>>>0)}else d=!1,c=a.byteOffset;return{Fb:c,$a:d}},Ha:function(a,b,c,d,e){if(32768!==(a.node.mode&61440))throw new O(43);if(e&2)return 0;P.qa.write(a,b,0,d,c,!1);return 0}}},qb=null,rb={},Q=[],sb=1,tb=null,ub=!0,vb={},O=null,
+nb={};function R(a,b){a=db("/",a);b=b||{};if(!a)return{path:"",node:null};var c={Wa:!0,Pa:0},d;for(d in c)void 0===b[d]&&(b[d]=c[d]);if(8<b.Pa)throw new O(32);a=$a(a.split("/").filter(function(k){return!!k}),!1);var e=qb;c="/";for(d=0;d<a.length;d++){var g=d===a.length-1;if(g&&b.parent)break;e=ob(e,a[d]);c=ab(c+"/"+a[d]);e.Ga&&(!g||g&&b.Wa)&&(e=e.Ga.root);if(!g||b.Va)for(g=0;40960===(e.mode&61440);)if(e=wb(c),c=db(bb(c),e),e=R(c,{Pa:b.Pa}).node,40<g++)throw new O(32);}return{path:c,node:e}}
+function xb(a){for(var b;;){if(a===a.parent)return a=a.ya.Za,b?"/"!==a[a.length-1]?a+"/"+b:a+b:a;b=b?a.name+"/"+b:a.name;a=a.parent}}function yb(a,b){for(var c=0,d=0;d<b.length;d++)c=(c<<5)-c+b.charCodeAt(d)|0;return(a+c>>>0)%tb.length}function ob(a,b){var c;if(c=(c=zb(a,"x"))?c:a.pa.lookup?0:2)throw new O(c,a);for(c=tb[yb(a.id,b)];c;c=c.kb){var d=c.name;if(c.parent.id===a.id&&d===b)return c}return a.pa.lookup(a,b)}
+function mb(a,b,c,d){a=new Ab(a,b,c,d);b=yb(a.parent.id,a.name);a.kb=tb[b];return tb[b]=a}var Bb={r:0,rs:1052672,"r+":2,w:577,wx:705,xw:705,"w+":578,"wx+":706,"xw+":706,a:1089,ax:1217,xa:1217,"a+":1090,"ax+":1218,"xa+":1218};function Cb(a){var b=["r","w","rw"][a&3];a&512&&(b+="w");return b}function zb(a,b){if(ub)return 0;if(-1===b.indexOf("r")||a.mode&292){if(-1!==b.indexOf("w")&&!(a.mode&146)||-1!==b.indexOf("x")&&!(a.mode&73))return 2}else return 2;return 0}
+function Db(a,b){try{return ob(a,b),20}catch(c){}return zb(a,"wx")}function Eb(){var a=4096;for(var b=0;b<=a;b++)if(!Q[b])return b;throw new O(33);}function Fb(a){Gb||(Gb=function(){},Gb.prototype={});var b=new Gb,c;for(c in a)b[c]=a[c];a=b;b=Eb();a.fd=b;return Q[b]=a}var lb={open:function(a){a.qa=rb[a.node.rdev].qa;a.qa.open&&a.qa.open(a)},Aa:function(){throw new O(70);}};function gb(a,b){rb[a]={qa:b}}
+function Hb(a,b){var c="/"===b,d=!b;if(c&&qb)throw new O(10);if(!c&&!d){var e=R(b,{Wa:!1});b=e.path;e=e.node;if(e.Ga)throw new O(10);if(16384!==(e.mode&61440))throw new O(54);}b={type:a,Db:{},Za:b,jb:[]};a=a.ya(b);a.ya=b;b.root=a;c?qb=a:e&&(e.Ga=b,e.ya&&e.ya.jb.push(b))}function Ib(a,b,c){var d=R(a,{parent:!0}).node;a=cb(a);if(!a||"."===a||".."===a)throw new O(28);var e=Db(d,a);if(e)throw new O(e);if(!d.pa.Fa)throw new O(63);return d.pa.Fa(d,a,b,c)}function S(a){Ib(a,16895,0)}
+function Jb(a,b,c){"undefined"===typeof c&&(c=b,b=438);Ib(a,b|8192,c)}function Kb(a,b){if(!db(a))throw new O(44);var c=R(b,{parent:!0}).node;if(!c)throw new O(44);b=cb(b);var d=Db(c,b);if(d)throw new O(d);if(!c.pa.symlink)throw new O(63);c.pa.symlink(c,b,a)}function wb(a){a=R(a).node;if(!a)throw new O(44);if(!a.pa.readlink)throw new O(28);return db(xb(a.parent),a.pa.readlink(a))}
+function Lb(a,b){if(""===a)throw new O(44);if("string"===typeof b){var c=Bb[b];if("undefined"===typeof c)throw Error("Unknown file open mode: "+b);b=c}var d=b&64?("undefined"===typeof d?438:d)&4095|32768:0;if("object"===typeof a)var e=a;else{a=ab(a);try{e=R(a,{Va:!(b&131072)}).node}catch(k){}}c=!1;if(b&64)if(e){if(b&128)throw new O(20);}else e=Ib(a,d,0),c=!0;if(!e)throw new O(44);8192===(e.mode&61440)&&(b&=-513);if(b&65536&&16384!==(e.mode&61440))throw new O(54);if(!c&&(d=e?40960===(e.mode&61440)?
+32:16384===(e.mode&61440)&&("r"!==Cb(b)||b&512)?31:zb(e,Cb(b)):44))throw new O(d);if(b&512){d=e;var g;"string"===typeof d?g=R(d,{Va:!0}).node:g=d;if(!g.pa.va)throw new O(63);if(16384===(g.mode&61440))throw new O(31);if(32768!==(g.mode&61440))throw new O(28);if(d=zb(g,"w"))throw new O(d);g.pa.va(g,{size:0,timestamp:Date.now()})}b&=-131713;e=Fb({node:e,path:xb(e),flags:b,seekable:!0,position:0,qa:e.qa,wb:[],error:!1});e.qa.open&&e.qa.open(e);!f.logReadFiles||b&1||(Mb||(Mb={}),a in Mb||(Mb[a]=1,C("FS.trackingDelegate error on read file: "+
+a)));try{vb.onOpenFile&&(e=0,1!==(b&2097155)&&(e|=1),0!==(b&2097155)&&(e|=2),vb.onOpenFile(a,e))}catch(k){C("FS.trackingDelegate['onOpenFile']('"+a+"', flags) threw an exception: "+k.message)}}function Nb(a,b,c){if(null===a.fd)throw new O(8);if(!a.seekable||!a.qa.Aa)throw new O(70);if(0!=c&&1!=c&&2!=c)throw new O(28);a.position=a.qa.Aa(a,b,c);a.wb=[]}
+function Ob(){O||(O=function(a,b){this.node=b;this.ob=function(c){this.Ea=c};this.ob(a);this.message="FS error"},O.prototype=Error(),O.prototype.constructor=O,[44].forEach(function(a){nb[a]=new O(a);nb[a].stack="<generic error, no stack>"}))}var Pb;function Qb(a,b){var c=0;a&&(c|=365);b&&(c|=146);return c}
+function Rb(a,b,c){a=ab("/dev/"+a);var d=Qb(!!b,!!c);Sb||(Sb=64);var e=Sb++<<8|0;gb(e,{open:function(g){g.seekable=!1},close:function(){c&&c.buffer&&c.buffer.length&&c(10)},read:function(g,k,m,l){for(var q=0,r=0;r<l;r++){try{var u=b()}catch(x){throw new O(29);}if(void 0===u&&0===q)throw new O(6);if(null===u||void 0===u)break;q++;k[m+r]=u}q&&(g.node.timestamp=Date.now());return q},write:function(g,k,m,l){for(var q=0;q<l;q++)try{c(k[m+q])}catch(r){throw new O(29);}l&&(g.node.timestamp=Date.now());return q}});
+Jb(a,d,e)}var Sb,Tb={},Gb,Mb,Ub={};function Vb(a){a=Q[a];if(!a)throw new O(8);return a}var Wb={};function Xb(a){for(;a.length;){var b=a.pop();a.pop()(b)}}function Yb(a){return this.fromWireType(K[a>>>2])}var T={},U={},Zb={};function $b(a){if(void 0===a)return"_unknown";a=a.replace(/[^a-zA-Z0-9_]/g,"$");var b=a.charCodeAt(0);return 48<=b&&57>=b?"_"+a:a}
+function ac(a,b){a=$b(a);return(new Function("body","return function "+a+'() {\n    "use strict";    return body.apply(this, arguments);\n};\n'))(b)}function bc(a){var b=Error,c=ac(a,function(d){this.name=a;this.message=d;d=Error(d).stack;void 0!==d&&(this.stack=this.toString()+"\n"+d.replace(/^Error(:[^\n]*)?\n/,""))});c.prototype=Object.create(b.prototype);c.prototype.constructor=c;c.prototype.toString=function(){return void 0===this.message?this.name:this.name+": "+this.message};return c}
+var cc=void 0;function dc(a,b,c){function d(m){m=c(m);if(m.length!==a.length)throw new cc("Mismatched type converter count");for(var l=0;l<a.length;++l)V(a[l],m[l])}a.forEach(function(m){Zb[m]=b});var e=Array(b.length),g=[],k=0;b.forEach(function(m,l){U.hasOwnProperty(m)?e[l]=U[m]:(g.push(m),T.hasOwnProperty(m)||(T[m]=[]),T[m].push(function(){e[l]=U[m];++k;k===g.length&&d(e)}))});0===g.length&&d(e)}
+function ec(a){switch(a){case 1:return 0;case 2:return 1;case 4:return 2;case 8:return 3;default:throw new TypeError("Unknown type size: "+a);}}var fc=void 0;function W(a){for(var b="";E[a>>>0];)b+=fc[E[a++>>>0]];return b}var hc=void 0;function X(a){throw new hc(a);}
+function V(a,b,c){c=c||{};if(!("argPackAdvance"in b))throw new TypeError("registerType registeredInstance requires argPackAdvance");var d=b.name;a||X('type "'+d+'" must have a positive integer typeid pointer');if(U.hasOwnProperty(a)){if(c.ib)return;X("Cannot register type '"+d+"' twice")}U[a]=b;delete Zb[a];T.hasOwnProperty(a)&&(b=T[a],delete T[a],b.forEach(function(e){e()}))}var ic=[],Y=[{},{value:void 0},{value:null},{value:!0},{value:!1}];
+function jc(a){4<a&&0===--Y[a].Qa&&(Y[a]=void 0,ic.push(a))}function kc(a){switch(a){case void 0:return 1;case null:return 2;case !0:return 3;case !1:return 4;default:var b=ic.length?ic.pop():Y.length;Y[b]={Qa:1,value:a};return b}}function lc(a){if(null===a)return"null";var b=typeof a;return"object"===b||"array"===b||"function"===b?a.toString():""+a}
+function mc(a,b){switch(b){case 2:return function(c){return this.fromWireType(Ca[c>>>2])};case 3:return function(c){return this.fromWireType(Da[c>>>3])};default:throw new TypeError("Unknown float type: "+a);}}function nc(a){var b=Function;if(!(b instanceof Function))throw new TypeError("new_ called with constructor type "+typeof b+" which is not a function");var c=ac(b.name||"unknownFunctionName",function(){});c.prototype=b.prototype;c=new c;a=b.apply(c,a);return a instanceof Object?a:c}
+function oc(a,b){var c=f;if(void 0===c[a].ua){var d=c[a];c[a]=function(){c[a].ua.hasOwnProperty(arguments.length)||X("Function '"+b+"' called with an invalid number of arguments ("+arguments.length+") - expects one of ("+c[a].ua+")!");return c[a].ua[arguments.length].apply(this,arguments)};c[a].ua=[];c[a].ua[d.ab]=d}}
+function pc(a,b,c){f.hasOwnProperty(a)?((void 0===c||void 0!==f[a].ua&&void 0!==f[a].ua[c])&&X("Cannot register public name '"+a+"' twice"),oc(a,a),f.hasOwnProperty(c)&&X("Cannot register multiple overloads of a function with the same number of arguments ("+c+")!"),f[a].ua[c]=b):(f[a]=b,void 0!==c&&(f[a].Cb=c))}function qc(a,b){for(var c=[],d=0;d<a;d++)c.push(H[(b>>2)+d>>>0]);return c}
+function rc(a,b){a=W(a);var c=f["dynCall_"+a];for(var d=[],e=1;e<a.length;++e)d.push("a"+e);e="return function dynCall_"+(a+"_"+b)+"("+d.join(", ")+") {\n";e+="    return dynCall(rawFunction"+(d.length?", ":"")+d.join(", ")+");\n";c=(new Function("dynCall","rawFunction",e+"};\n"))(c,b);"function"!==typeof c&&X("unknown function pointer with signature "+a+": "+b);return c}var sc=void 0;function tc(a){a=uc(a);var b=W(a);Z(a);return b}
+function vc(a,b){function c(g){e[g]||U[g]||(Zb[g]?Zb[g].forEach(c):(d.push(g),e[g]=!0))}var d=[],e={};b.forEach(c);throw new sc(a+": "+d.map(tc).join([", "]));}function wc(a,b,c){switch(b){case 0:return c?function(d){return J[d>>>0]}:function(d){return E[d>>>0]};case 1:return c?function(d){return G[d>>>1]}:function(d){return wa[d>>>1]};case 2:return c?function(d){return H[d>>>2]}:function(d){return K[d>>>2]};default:throw new TypeError("Unknown integer type: "+a);}}var xc={};
+function yc(){return"object"===typeof globalThis?globalThis:Function("return this")()}function zc(a,b){var c=U[a];void 0===c&&X(b+" has unknown type "+tc(a));return c}var Ac={},Bc={};function Cc(){if(!Dc){var a={USER:"web_user",LOGNAME:"web_user",PATH:"/",PWD:"/",HOME:"/home/web_user",LANG:("object"===typeof navigator&&navigator.languages&&navigator.languages[0]||"C").replace("-","_")+".UTF-8",_:ca||"./this.program"},b;for(b in Bc)a[b]=Bc[b];var c=[];for(b in a)c.push(b+"="+a[b]);Dc=c}return Dc}var Dc;
+function Ec(a){return 0===a%4&&(0!==a%100||0===a%400)}function Fc(a,b){for(var c=0,d=0;d<=b;c+=a[d++]);return c}var Gc=[31,29,31,30,31,30,31,31,30,31,30,31],Hc=[31,28,31,30,31,30,31,31,30,31,30,31];function Ic(a,b){for(a=new Date(a.getTime());0<b;){var c=a.getMonth(),d=(Ec(a.getFullYear())?Gc:Hc)[c];if(b>d-a.getDate())b-=d-a.getDate()+1,a.setDate(1),11>c?a.setMonth(c+1):(a.setMonth(0),a.setFullYear(a.getFullYear()+1));else{a.setDate(a.getDate()+b);break}}return a}
+function Jc(a,b,c,d){function e(h,n,v){for(h="number"===typeof h?h.toString():h||"";h.length<n;)h=v[0]+h;return h}function g(h,n){return e(h,n,"0")}function k(h,n){function v(F){return 0>F?-1:0<F?1:0}var y;0===(y=v(h.getFullYear()-n.getFullYear()))&&0===(y=v(h.getMonth()-n.getMonth()))&&(y=v(h.getDate()-n.getDate()));return y}function m(h){switch(h.getDay()){case 0:return new Date(h.getFullYear()-1,11,29);case 1:return h;case 2:return new Date(h.getFullYear(),0,3);case 3:return new Date(h.getFullYear(),
+0,2);case 4:return new Date(h.getFullYear(),0,1);case 5:return new Date(h.getFullYear()-1,11,31);case 6:return new Date(h.getFullYear()-1,11,30)}}function l(h){h=Ic(new Date(h.sa+1900,0,1),h.La);var n=new Date(h.getFullYear()+1,0,4),v=m(new Date(h.getFullYear(),0,4));n=m(n);return 0>=k(v,h)?0>=k(n,h)?h.getFullYear()+1:h.getFullYear():h.getFullYear()-1}var q=H[d+40>>2>>>0];d={ub:H[d>>2>>>0],tb:H[d+4>>2>>>0],Ja:H[d+8>>2>>>0],Da:H[d+12>>2>>>0],Ca:H[d+16>>2>>>0],sa:H[d+20>>2>>>0],Ka:H[d+24>>2>>>0],La:H[d+
+28>>2>>>0],Gb:H[d+32>>2>>>0],sb:H[d+36>>2>>>0],vb:q?ra(q):""};c=ra(c);q={"%c":"%a %b %d %H:%M:%S %Y","%D":"%m/%d/%y","%F":"%Y-%m-%d","%h":"%b","%r":"%I:%M:%S %p","%R":"%H:%M","%T":"%H:%M:%S","%x":"%m/%d/%y","%X":"%H:%M:%S","%Ec":"%c","%EC":"%C","%Ex":"%m/%d/%y","%EX":"%H:%M:%S","%Ey":"%y","%EY":"%Y","%Od":"%d","%Oe":"%e","%OH":"%H","%OI":"%I","%Om":"%m","%OM":"%M","%OS":"%S","%Ou":"%u","%OU":"%U","%OV":"%V","%Ow":"%w","%OW":"%W","%Oy":"%y"};for(var r in q)c=c.replace(new RegExp(r,"g"),q[r]);var u=
+"Sunday Monday Tuesday Wednesday Thursday Friday Saturday".split(" "),x="January February March April May June July August September October November December".split(" ");q={"%a":function(h){return u[h.Ka].substring(0,3)},"%A":function(h){return u[h.Ka]},"%b":function(h){return x[h.Ca].substring(0,3)},"%B":function(h){return x[h.Ca]},"%C":function(h){return g((h.sa+1900)/100|0,2)},"%d":function(h){return g(h.Da,2)},"%e":function(h){return e(h.Da,2," ")},"%g":function(h){return l(h).toString().substring(2)},
+"%G":function(h){return l(h)},"%H":function(h){return g(h.Ja,2)},"%I":function(h){h=h.Ja;0==h?h=12:12<h&&(h-=12);return g(h,2)},"%j":function(h){return g(h.Da+Fc(Ec(h.sa+1900)?Gc:Hc,h.Ca-1),3)},"%m":function(h){return g(h.Ca+1,2)},"%M":function(h){return g(h.tb,2)},"%n":function(){return"\n"},"%p":function(h){return 0<=h.Ja&&12>h.Ja?"AM":"PM"},"%S":function(h){return g(h.ub,2)},"%t":function(){return"\t"},"%u":function(h){return h.Ka||7},"%U":function(h){var n=new Date(h.sa+1900,0,1),v=0===n.getDay()?
+n:Ic(n,7-n.getDay());h=new Date(h.sa+1900,h.Ca,h.Da);return 0>k(v,h)?g(Math.ceil((31-v.getDate()+(Fc(Ec(h.getFullYear())?Gc:Hc,h.getMonth()-1)-31)+h.getDate())/7),2):0===k(v,n)?"01":"00"},"%V":function(h){var n=new Date(h.sa+1901,0,4),v=m(new Date(h.sa+1900,0,4));n=m(n);var y=Ic(new Date(h.sa+1900,0,1),h.La);return 0>k(y,v)?"53":0>=k(n,y)?"01":g(Math.ceil((v.getFullYear()<h.sa+1900?h.La+32-v.getDate():h.La+1-v.getDate())/7),2)},"%w":function(h){return h.Ka},"%W":function(h){var n=new Date(h.sa,0,
+1),v=1===n.getDay()?n:Ic(n,0===n.getDay()?1:7-n.getDay()+1);h=new Date(h.sa+1900,h.Ca,h.Da);return 0>k(v,h)?g(Math.ceil((31-v.getDate()+(Fc(Ec(h.getFullYear())?Gc:Hc,h.getMonth()-1)-31)+h.getDate())/7),2):0===k(v,n)?"01":"00"},"%y":function(h){return(h.sa+1900).toString().substring(2)},"%Y":function(h){return h.sa+1900},"%z":function(h){h=h.sb;var n=0<=h;h=Math.abs(h)/60;return(n?"+":"-")+String("0000"+(h/60*100+h%60)).slice(-4)},"%Z":function(h){return h.vb},"%%":function(){return"%"}};for(r in q)0<=
+c.indexOf(r)&&(c=c.replace(new RegExp(r,"g"),q[r](d)));r=ib(c,!1);if(r.length>b)return 0;J.set(r,a>>>0);return r.length-1}function Ab(a,b,c,d){a||(a=this);this.parent=a;this.ya=a.ya;this.Ga=null;this.id=sb++;this.name=b;this.mode=c;this.pa={};this.qa={};this.rdev=d}
+Object.defineProperties(Ab.prototype,{read:{get:function(){return 365===(this.mode&365)},set:function(a){a?this.mode|=365:this.mode&=-366}},write:{get:function(){return 146===(this.mode&146)},set:function(a){a?this.mode|=146:this.mode&=-147}}});Ob();tb=Array(4096);Hb(P,"/");S("/tmp");S("/home");S("/home/web_user");
+(function(){S("/dev");gb(259,{read:function(){return 0},write:function(d,e,g,k){return k}});Jb("/dev/null",259);fb(1280,jb);fb(1536,kb);Jb("/dev/tty",1280);Jb("/dev/tty1",1536);if("object"===typeof crypto&&"function"===typeof crypto.getRandomValues){var a=new Uint8Array(1);var b=function(){crypto.getRandomValues(a);return a[0]}}else if(z)try{var c=require("crypto");b=function(){return c.randomBytes(1)[0]}}catch(d){}b||(b=function(){B("random_device")});Rb("random",b);Rb("urandom",b);S("/dev/shm");
+S("/dev/shm/tmp")})();S("/proc");S("/proc/self");S("/proc/self/fd");Hb({ya:function(){var a=mb("/proc/self","fd",16895,73);a.pa={lookup:function(b,c){var d=Q[+c];if(!d)throw new O(8);b={parent:null,ya:{Za:"fake"},pa:{readlink:function(){return d.path}}};return b.parent=b}};return a}},"/proc/self/fd");cc=f.InternalError=bc("InternalError");for(var Kc=Array(256),Lc=0;256>Lc;++Lc)Kc[Lc]=String.fromCharCode(Lc);fc=Kc;hc=f.BindingError=bc("BindingError");
+f.count_emval_handles=function(){for(var a=0,b=5;b<Y.length;++b)void 0!==Y[b]&&++a;return a};f.get_first_emval=function(){for(var a=5;a<Y.length;++a)if(void 0!==Y[a])return Y[a];return null};sc=f.UnboundTypeError=bc("UnboundTypeError");function ib(a,b){var c=Array(ta(a)+1);a=sa(a,c,0,c.length);b&&(c.length=a);return c}
+var Nc={t:function(a){return pb(a)},G:function(){},q:function(a){"uncaught_exception"in Za?Za.Ia++:Za.Ia=1;throw a;},x:function(){H[Mc()>>2>>>0]=63;return-1},w:function(a,b){try{a>>>=0;if(-1===(a|0)||0===b)var c=-28;else{var d=Ub[a];if(d&&b===d.Ab){var e=Q[d.fd];if(d.Eb&2){var g=d.flags,k=d.offset,m=E.slice(a,a+b);e&&e.qa.Ha&&e.qa.Ha(e,m,k>>>0,b,g)}Ub[a]=null;d.$a&&Z(d.Bb)}c=0}return c}catch(l){return"undefined"!==typeof Tb&&l instanceof O||B(l),-l.Ea}},n:function(a){var b=Wb[a];delete Wb[a];var c=
+b.lb,d=b.mb,e=b.Ua,g=e.map(function(k){return k.hb}).concat(e.map(function(k){return k.qb}));dc([a],g,function(k){var m={};e.forEach(function(l,q){var r=k[q],u=l.fb,x=l.gb,h=k[q+e.length],n=l.pb,v=l.rb;m[l.cb]={read:function(y){return r.fromWireType(u(x,y))},write:function(y,F){var ja=[];n(v,y,h.toWireType(ja,F));Xb(ja)}}});return[{name:b.name,fromWireType:function(l){var q={},r;for(r in m)q[r]=m[r].read(l);d(l);return q},toWireType:function(l,q){for(var r in m)if(!(r in q))throw new TypeError('Missing field:  "'+
+r+'"');var u=c();for(r in m)m[r].write(u,q[r]);null!==l&&l.push(d,u);return u},argPackAdvance:8,readValueFromPointer:Yb,wa:d}]})},C:function(a,b,c,d,e){var g=ec(c);b=W(b);V(a,{name:b,fromWireType:function(k){return!!k},toWireType:function(k,m){return m?d:e},argPackAdvance:8,readValueFromPointer:function(k){if(1===c)var m=J;else if(2===c)m=G;else if(4===c)m=H;else throw new TypeError("Unknown boolean type size: "+b);return this.fromWireType(m[k>>>g])},wa:null})},B:function(a,b){b=W(b);V(a,{name:b,
+fromWireType:function(c){var d=Y[c].value;jc(c);return d},toWireType:function(c,d){return kc(d)},argPackAdvance:8,readValueFromPointer:Yb,wa:null})},j:function(a,b,c){c=ec(c);b=W(b);V(a,{name:b,fromWireType:function(d){return d},toWireType:function(d,e){if("number"!==typeof e&&"boolean"!==typeof e)throw new TypeError('Cannot convert "'+lc(e)+'" to '+this.name);return e},argPackAdvance:8,readValueFromPointer:mc(b,c),wa:null})},m:function(a,b,c,d,e,g){var k=qc(b,c);a=W(a);e=rc(d,e);pc(a,function(){vc("Cannot call "+
+a+" due to unbound types",k)},b-1);dc([],k,function(m){var l=[m[0],null].concat(m.slice(1)),q=m=a,r=e,u=l.length;2>u&&X("argTypes array size mismatch! Must at least get return value and 'this' types!");for(var x=null!==l[1]&&!1,h=!1,n=1;n<l.length;++n)if(null!==l[n]&&void 0===l[n].wa){h=!0;break}var v="void"!==l[0].name,y="",F="";for(n=0;n<u-2;++n)y+=(0!==n?", ":"")+"arg"+n,F+=(0!==n?", ":"")+"arg"+n+"Wired";q="return function "+$b(q)+"("+y+") {\nif (arguments.length !== "+(u-2)+") {\nthrowBindingError('function "+
+q+" called with ' + arguments.length + ' arguments, expected "+(u-2)+" args!');\n}\n";h&&(q+="var destructors = [];\n");var ja=h?"destructors":"null";y="throwBindingError invoker fn runDestructors retType classParam".split(" ");r=[X,r,g,Xb,l[0],l[1]];x&&(q+="var thisWired = classParam.toWireType("+ja+", this);\n");for(n=0;n<u-2;++n)q+="var arg"+n+"Wired = argType"+n+".toWireType("+ja+", arg"+n+"); // "+l[n+2].name+"\n",y.push("argType"+n),r.push(l[n+2]);x&&(F="thisWired"+(0<F.length?", ":"")+F);q+=
+(v?"var rv = ":"")+"invoker(fn"+(0<F.length?", ":"")+F+");\n";if(h)q+="runDestructors(destructors);\n";else for(n=x?1:2;n<l.length;++n)u=1===n?"thisWired":"arg"+(n-2)+"Wired",null!==l[n].wa&&(q+=u+"_dtor("+u+"); // "+l[n].name+"\n",y.push(u+"_dtor"),r.push(l[n].wa));v&&(q+="var ret = retType.fromWireType(rv);\nreturn ret;\n");y.push(q+"}\n");l=nc(y).apply(null,r);n=b-1;if(!f.hasOwnProperty(m))throw new cc("Replacing nonexistant public symbol");void 0!==f[m].ua&&void 0!==n?f[m].ua[n]=l:(f[m]=l,f[m].ab=
+n);return[]})},b:function(a,b,c,d,e){function g(q){return q}b=W(b);-1===e&&(e=4294967295);var k=ec(c);if(0===d){var m=32-8*c;g=function(q){return q<<m>>>m}}var l=-1!=b.indexOf("unsigned");V(a,{name:b,fromWireType:g,toWireType:function(q,r){if("number"!==typeof r&&"boolean"!==typeof r)throw new TypeError('Cannot convert "'+lc(r)+'" to '+this.name);if(r<d||r>e)throw new TypeError('Passing a number "'+lc(r)+'" from JS side to C/C++ side to an argument of type "'+b+'", which is outside the valid range ['+
+d+", "+e+"]!");return l?r>>>0:r|0},argPackAdvance:8,readValueFromPointer:wc(b,k,0!==d),wa:null})},a:function(a,b,c){function d(g){g>>=2;var k=K;return new e(I,k[g+1>>>0],k[g>>>0])}var e=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array][b];c=W(c);V(a,{name:c,fromWireType:d,argPackAdvance:8,readValueFromPointer:d},{ib:!0})},k:function(a,b){b=W(b);var c="std::string"===b;V(a,{name:b,fromWireType:function(d){var e=K[d>>>2];if(c)for(var g=d+4,k=0;k<=e;++k){var m=
+d+4+k;if(k==e||0==E[m>>>0]){g=ra(g,m-g);if(void 0===l)var l=g;else l+=String.fromCharCode(0),l+=g;g=m+1}}else{l=Array(e);for(k=0;k<e;++k)l[k]=String.fromCharCode(E[d+4+k>>>0]);l=l.join("")}Z(d);return l},toWireType:function(d,e){e instanceof ArrayBuffer&&(e=new Uint8Array(e));var g="string"===typeof e;g||e instanceof Uint8Array||e instanceof Uint8ClampedArray||e instanceof Int8Array||X("Cannot pass non-string to std::string");var k=(c&&g?function(){return ta(e)}:function(){return e.length})(),m=pb(4+
+k+1);m>>>=0;K[m>>>2]=k;if(c&&g)sa(e,E,m+4,k+1);else if(g)for(g=0;g<k;++g){var l=e.charCodeAt(g);255<l&&(Z(m),X("String has UTF-16 code units that do not fit in 8 bits"));E[m+4+g>>>0]=l}else for(g=0;g<k;++g)E[m+4+g>>>0]=e[g];null!==d&&d.push(Z,m);return m},argPackAdvance:8,readValueFromPointer:Yb,wa:function(d){Z(d)}})},f:function(a,b,c){c=W(c);if(2===b){var d=va;var e=xa;var g=ya;var k=function(){return wa};var m=1}else 4===b&&(d=za,e=Aa,g=Ba,k=function(){return K},m=2);V(a,{name:c,fromWireType:function(l){for(var q=
+K[l>>>2],r=k(),u,x=l+4,h=0;h<=q;++h){var n=l+4+h*b;if(h==q||0==r[n>>>m])x=d(x,n-x),void 0===u?u=x:(u+=String.fromCharCode(0),u+=x),x=n+b}Z(l);return u},toWireType:function(l,q){"string"!==typeof q&&X("Cannot pass non-string to C++ string type "+c);var r=g(q),u=pb(4+r+b);u>>>=0;K[u>>>2]=r>>m;e(q,u+4,r+b);null!==l&&l.push(Z,u);return u},argPackAdvance:8,readValueFromPointer:Yb,wa:function(l){Z(l)}})},o:function(a,b,c,d,e,g){Wb[a]={name:W(b),lb:rc(c,d),mb:rc(e,g),Ua:[]}},g:function(a,b,c,d,e,g,k,m,l,
+q){Wb[a].Ua.push({cb:W(b),hb:c,fb:rc(d,e),gb:g,qb:k,pb:rc(m,l),rb:q})},D:function(a,b){b=W(b);V(a,{zb:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},i:jc,F:function(a){if(0===a)return kc(yc());var b=xc[a];a=void 0===b?W(a):b;return kc(yc()[a])},E:function(a){4<a&&(Y[a].Qa+=1)},p:function(a,b,c,d){a||X("Cannot use deleted val. handle = "+a);a=Y[a].value;var e=Ac[b];if(!e){e="";for(var g=0;g<b;++g)e+=(0!==g?", ":"")+"arg"+g;var k="return function emval_allocator_"+b+
+"(constructor, argTypes, args) {\n";for(g=0;g<b;++g)k+="var argType"+g+" = requireRegisteredType(Module['HEAP32'][(argTypes >>> 2) + "+g+'], "parameter '+g+'");\nvar arg'+g+" = argType"+g+".readValueFromPointer(args);\nargs += argType"+g+"['argPackAdvance'];\n";e=(new Function("requireRegisteredType","Module","__emval_register",k+("var obj = new constructor("+e+");\nreturn __emval_register(obj);\n}\n")))(zc,f,kc);Ac[b]=e}return e(a,c,d)},l:function(){B()},u:function(a,b,c){E.copyWithin(a>>>0,b>>>
+0,b+c>>>0)},d:function(a){a>>>=0;var b=E.length;if(4294967296<a)return!1;for(var c=1;4>=c;c*=2){var d=b*(1+.2/c);d=Math.min(d,a+100663296);d=Math.max(16777216,a,d);0<d%65536&&(d+=65536-d%65536);a:{try{D.grow(Math.min(4294967296,d)-I.byteLength+65535>>>16);Ea(D.buffer);var e=1;break a}catch(g){}e=void 0}if(e)return!0}return!1},y:function(a,b){var c=0;Cc().forEach(function(d,e){var g=b+c;e=H[a+4*e>>2>>>0]=g;for(g=0;g<d.length;++g)J[e++>>0>>>0]=d.charCodeAt(g);J[e>>0>>>0]=0;c+=d.length+1});return 0},
+z:function(a,b){var c=Cc();H[a>>2>>>0]=c.length;var d=0;c.forEach(function(e){d+=e.length+1});H[b>>2>>>0]=d;return 0},A:function(a){try{var b=Vb(a);if(null===b.fd)throw new O(8);b.Na&&(b.Na=null);try{b.qa.close&&b.qa.close(b)}catch(c){throw c;}finally{Q[b.fd]=null}b.fd=null;return 0}catch(c){return"undefined"!==typeof Tb&&c instanceof O||B(c),c.Ea}},r:function(a,b,c,d,e){try{var g=Vb(a);a=4294967296*c+(b>>>0);if(-9007199254740992>=a||9007199254740992<=a)return-61;Nb(g,a,d);Xa=[g.position>>>0,(N=g.position,
+1<=+Ma(N)?0<N?(Pa(+Oa(N/4294967296),4294967295)|0)>>>0:~~+Na((N-+(~~N>>>0))/4294967296)>>>0:0)];H[e>>2>>>0]=Xa[0];H[e+4>>2>>>0]=Xa[1];g.Na&&0===a&&0===d&&(g.Na=null);return 0}catch(k){return"undefined"!==typeof Tb&&k instanceof O||B(k),k.Ea}},h:function(a,b,c,d){try{a:{for(var e=Vb(a),g=a=0;g<c;g++){var k=e,m=H[b+8*g>>2>>>0],l=H[b+(8*g+4)>>2>>>0],q=void 0,r=J;m>>>=0;if(0>l||0>q)throw new O(28);if(null===k.fd)throw new O(8);if(0===(k.flags&2097155))throw new O(8);if(16384===(k.node.mode&61440))throw new O(31);
+if(!k.qa.write)throw new O(28);k.seekable&&k.flags&1024&&Nb(k,0,2);var u="undefined"!==typeof q;if(!u)q=k.position;else if(!k.seekable)throw new O(70);var x=k.qa.write(k,r,m,l,q,void 0);u||(k.position+=x);try{if(k.path&&vb.onWriteToFile)vb.onWriteToFile(k.path)}catch(v){C("FS.trackingDelegate['onWriteToFile']('"+k.path+"') threw an exception: "+v.message)}var h=x;if(0>h){var n=-1;break a}a+=h}n=a}H[d>>2>>>0]=n;return 0}catch(v){return"undefined"!==typeof Tb&&v instanceof O||B(v),v.Ea}},memory:D,e:function(a){a=
++a;return 0<=a?+Oa(a+.5):+Na(a-.5)},c:function(a){a=+a;return 0<=a?+Oa(a+.5):+Na(a-.5)},s:function(){},v:function(a,b,c,d){return Jc(a,b,c,d)},table:na};
+(function(){function a(e){f.asm=e.exports;L--;f.monitorRunDependencies&&f.monitorRunDependencies(L);0==L&&(null!==Qa&&(clearInterval(Qa),Qa=null),Ra&&(e=Ra,Ra=null,e()))}function b(e){a(e.instance)}function c(e){return Wa().then(function(g){return WebAssembly.instantiate(g,d)}).then(e,function(g){C("failed to asynchronously prepare wasm: "+g);B(g)})}var d={a:Nc};L++;f.monitorRunDependencies&&f.monitorRunDependencies(L);if(f.instantiateWasm)try{return f.instantiateWasm(d,a)}catch(e){return C("Module.instantiateWasm callback failed with error: "+
+e),!1}(function(){if(ma||"function"!==typeof WebAssembly.instantiateStreaming||Ta()||Sa("file://")||"function"!==typeof fetch)return c(b);fetch(M,{credentials:"same-origin"}).then(function(e){return WebAssembly.instantiateStreaming(e,d).then(b,function(g){C("wasm streaming compile failed: "+g);C("falling back to ArrayBuffer instantiation");return c(b)})})})();return{}})();
+var Ya=f.___wasm_call_ctors=function(){return(Ya=f.___wasm_call_ctors=f.asm.H).apply(null,arguments)},pb=f._malloc=function(){return(pb=f._malloc=f.asm.I).apply(null,arguments)},Z=f._free=function(){return(Z=f._free=f.asm.J).apply(null,arguments)},Mc=f.___errno_location=function(){return(Mc=f.___errno_location=f.asm.K).apply(null,arguments)},uc=f.___getTypeName=function(){return(uc=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_ii=function(){return(f.dynCall_ii=f.asm.V).apply(null,arguments)};f.dynCall_iidiiii=function(){return(f.dynCall_iidiiii=f.asm.W).apply(null,arguments)};
+f.dynCall_vii=function(){return(f.dynCall_vii=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_v=function(){return(f.dynCall_v=f.asm.$).apply(null,arguments)};f.dynCall_viiiiiii=function(){return(f.dynCall_viiiiiii=f.asm.aa).apply(null,arguments)};
+f.dynCall_viijii=function(){return(f.dynCall_viijii=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)};
+f.dynCall_jiji=function(){return(f.dynCall_jiji=f.asm.ha).apply(null,arguments)};f.dynCall_iiiiiiiii=function(){return(f.dynCall_iiiiiiiii=f.asm.ia).apply(null,arguments)};f.dynCall_iiiiiiii=function(){return(f.dynCall_iiiiiiii=f.asm.ja).apply(null,arguments)};f.dynCall_iiiiiijj=function(){return(f.dynCall_iiiiiijj=f.asm.ka).apply(null,arguments)};f.dynCall_iiiiij=function(){return(f.dynCall_iiiiij=f.asm.la).apply(null,arguments)};
+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 Oc;Ra=function Pc(){Oc||Qc();Oc||(Ra=Pc)};
+function Qc(){function a(){if(!Oc&&(Oc=!0,f.calledRun=!0,!oa)){f.noFSInit||Pb||(Pb=!0,Ob(),f.stdin=f.stdin,f.stdout=f.stdout,f.stderr=f.stderr,f.stdin?Rb("stdin",f.stdin):Kb("/dev/tty","/dev/stdin"),f.stdout?Rb("stdout",null,f.stdout):Kb("/dev/tty","/dev/stdout"),f.stderr?Rb("stderr",null,f.stderr):Kb("/dev/tty1","/dev/stderr"),Lb("/dev/stdin","r"),Lb("/dev/stdout","w"),Lb("/dev/stderr","w"));Ga(Ia);ub=!1;Ga(Ja);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();Ka.unshift(b)}Ga(Ka)}}if(!(0<L)){if(f.preRun)for("function"==typeof f.preRun&&(f.preRun=[f.preRun]);f.preRun.length;)La();Ga(Ha);0<L||(f.setStatus?(f.setStatus("Running..."),setTimeout(function(){setTimeout(function(){f.setStatus("")},1);a()},1)):a())}}f.run=Qc;if(f.preInit)for("function"==typeof f.preInit&&(f.preInit=[f.preInit]);0<f.preInit.length;)f.preInit.pop()();noExitRuntime=!0;Qc();
+
+
+  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"
+  }
+}

src/codecs/decoders.ts

@@ -8,6 +8,9 @@ export async function decodeImage(blob: Blob, processor: Processor): Promise<Ima
   const mimeType = await sniffMimeType(blob);
 
   try {
+    if (mimeType === 'image/jpegxl') {
+      return await processor.jxlDecode(blob);
+    }
     if (mimeType === 'image/avif') {
       return await processor.avifDecode(blob);
     }

src/codecs/encoders.ts

@@ -2,6 +2,7 @@ import * as identity from './identity/encoder-meta';
 import * as oxiPNG from './oxipng/encoder-meta';
 import * as mozJPEG from './mozjpeg/encoder-meta';
 import * as webP from './webp/encoder-meta';
+import * as jxl from './jxl/encoder-meta';
 import * as avif from './avif/encoder-meta';
 import * as browserPNG from './browser-png/encoder-meta';
 import * as browserJPEG from './browser-jpeg/encoder-meta';
@@ -21,6 +22,7 @@ export type EncoderState =
   oxiPNG.EncoderState |
   mozJPEG.EncoderState |
   webP.EncoderState |
+  jxl.EncoderState |
   avif.EncoderState |
   browserPNG.EncoderState |
   browserJPEG.EncoderState |
@@ -36,6 +38,7 @@ export type EncoderOptions =
   oxiPNG.EncodeOptions |
   mozJPEG.EncodeOptions |
   webP.EncodeOptions |
+  jxl.EncodeOptions |
   avif.EncodeOptions |
   browserPNG.EncodeOptions |
   browserJPEG.EncodeOptions |
@@ -53,6 +56,7 @@ export const encoderMap = {
   [oxiPNG.type]: oxiPNG,
   [mozJPEG.type]: mozJPEG,
   [webP.type]: webP,
+  [jxl.type]: jxl,
   [avif.type]: avif,
   [browserPNG.type]: browserPNG,
   [browserJPEG.type]: browserJPEG,

src/codecs/jxl/decoder-meta.ts

@@ -0,0 +1,7 @@
+export const name = 'WASM JPEG XL Decoder';
+
+const supportedMimeTypes = ['image/jpegxl'];
+
+export function canHandleMimeType(mimeType: string): boolean {
+  return supportedMimeTypes.includes(mimeType);
+}

src/codecs/jxl/decoder.ts

@@ -0,0 +1,12 @@
+import jxl_dec, { JXLModule } from '../../../codecs/jxl/dec/jxl_dec';
+import wasmUrl from '../../../codecs/jxl/dec/jxl_dec.wasm';
+import { initEmscriptenModule } from '../util';
+
+let emscriptenModule: Promise<JXLModule>;
+
+export async function decode(data: ArrayBuffer): Promise<ImageData> {
+  if (!emscriptenModule) emscriptenModule = initEmscriptenModule(jxl_dec, wasmUrl);
+
+  const module = await emscriptenModule;
+  return module.decode(data);
+}

src/codecs/jxl/encoder-meta.ts

@@ -0,0 +1,16 @@
+export interface EncodeOptions {
+  speed: number;
+  quality: number;
+}
+
+export interface EncoderState { type: typeof type; options: EncodeOptions; }
+
+export const type = 'jxl';
+export const label = 'JPEG XL (beta)';
+export const mimeType = 'image/jpegxl';
+export const extension = 'jxl';
+// These come from struct WebPConfig in encode.h.
+export const defaultOptions: EncodeOptions = {
+  speed: 5,
+  quality: 1,
+};

src/codecs/jxl/encoder.ts

@@ -0,0 +1,16 @@
+import jxl_enc, { JXLModule } from '../../../codecs/jxl/enc/jxl_enc';
+import wasmUrl from '../../../codecs/jxl/enc/jxl_enc.wasm';
+import { EncodeOptions } from './encoder-meta';
+import { initEmscriptenModule } from '../util';
+
+let emscriptenModule: Promise<JXLModule>;
+
+export async function encode(data: ImageData, options: EncodeOptions): Promise<ArrayBuffer> {
+  if (!emscriptenModule) emscriptenModule = initEmscriptenModule(jxl_enc, wasmUrl);
+
+  const module = await emscriptenModule;
+  const result = module.encode(data.data, data.width, data.height, options);
+
+  // wasm can’t run on SharedArrayBuffers, so we hard-cast to ArrayBuffer.
+  return result.buffer as ArrayBuffer;
+}

src/codecs/jxl/options.tsx

@@ -0,0 +1,65 @@
+import { h, Component } from 'preact';
+import { bind } from '../../lib/initial-util';
+import { inputFieldValueAsNumber, preventDefault } from '../../lib/util';
+import { EncodeOptions } from './encoder-meta';
+import * as style from '../../components/Options/style.scss';
+// import Checkbox from '../../components/checkbox';
+// import Expander from '../../components/expander';
+// import Select from '../../components/select';
+import Range from '../../components/range';
+// import linkState from 'linkstate';
+
+interface Props {
+  options: EncodeOptions;
+  onChange(newOptions: EncodeOptions): void;
+}
+
+interface State {}
+
+export default class JXLEncoderOptions extends Component<Props, State> {
+  state: State = {};
+
+  @bind
+  onChange(event: Event) {
+    const form = (event.currentTarget as HTMLInputElement).closest(
+      'form',
+    ) as HTMLFormElement;
+    const { options } = this.props;
+
+    const newOptions: EncodeOptions = {
+      // Copy over options the form doesn't care about, eg emulate_jpeg_size
+      ...options,
+      speed: inputFieldValueAsNumber(form.speed, options.speed),
+      quality: inputFieldValueAsNumber(form.quality, options.quality),
+    };
+    this.props.onChange(newOptions);
+  }
+
+  render({ options }: Props) {
+    return (
+      <form class={style.optionsSection} onSubmit={preventDefault}>
+        <div class={style.optionOneCell}>
+          <Range
+            name="speed"
+            min="1"
+            max="7"
+            value={options.speed}
+            onInput={this.onChange}
+          >
+            Speed:
+          </Range>
+          <Range
+            name="quality"
+            min="0.5"
+            max="8"
+            step="0.1"
+            value={options.quality}
+            onInput={this.onChange}
+          >
+            Quality:
+          </Range>
+        </div>
+      </form>
+    );
+  }
+}

src/codecs/processor-worker/index.ts

@@ -98,6 +98,22 @@ async function avifDecode(data: ArrayBuffer): Promise<ImageData> {
   return decode(data);
 }
 
+async function jxlEncode(
+  data: ImageData, options: import('../jxl/encoder-meta').EncodeOptions,
+): Promise<ArrayBuffer> {
+  const { encode } = await import(
+    /* webpackChunkName: "process-jxl-enc" */
+    '../jxl/encoder');
+  return timed('jxlEncode', () => encode(data, options));
+}
+
+async function jxlDecode(data: ArrayBuffer): Promise<ImageData> {
+  const { decode } = await import(
+    /* webpackChunkName: "process-jxl-dec" */
+    '../jxl/decoder');
+  return timed('jxlDecode', () => decode(data));
+}
+
 const exports = {
   mozjpegEncode,
   quantize,
@@ -106,6 +122,8 @@ const exports = {
   oxiPngEncode,
   webpEncode,
   webpDecode,
+  jxlEncode,
+  jxlDecode,
   avifEncode,
   avifDecode,
 };

src/codecs/processor.ts

@@ -4,6 +4,7 @@ import { canvasEncode, blobToArrayBuffer } from '../lib/util';
 import { EncodeOptions as MozJPEGEncoderOptions } from './mozjpeg/encoder-meta';
 import { EncodeOptions as OxiPNGEncoderOptions } from './oxipng/encoder-meta';
 import { EncodeOptions as WebPEncoderOptions } from './webp/encoder-meta';
+import { EncodeOptions as JXLEncoderOptions } from './jxl/encoder-meta';
 import { EncodeOptions as AvifEncoderOptions } from './avif/encoder-meta';
 import { EncodeOptions as BrowserJPEGOptions } from './browser-jpeg/encoder-meta';
 import { EncodeOptions as BrowserWebpEncodeOptions } from './browser-webp/encoder-meta';
@@ -164,6 +165,17 @@ export default class Processor {
     return this._workerApi!.webpDecode(data);
   }
 
+  @Processor._processingJob({ needsWorker: true })
+  jxlEncode(data: ImageData, opts: JXLEncoderOptions): Promise<ArrayBuffer> {
+    return this._workerApi!.jxlEncode(data, opts);
+  }
+
+  @Processor._processingJob({ needsWorker: true })
+  async jxlDecode(blob: Blob): Promise<ImageData> {
+    const data = await blobToArrayBuffer(blob);
+    return this._workerApi!.jxlDecode(data);
+  }
+
   @Processor._processingJob({ needsWorker: true })
   async avifDecode(blob: Blob): Promise<ImageData> {
     const data = await blobToArrayBuffer(blob);

src/components/Options/index.tsx

@@ -7,6 +7,7 @@ import OxiPNGEncoderOptions from '../../codecs/oxipng/options';
 import MozJpegEncoderOptions from '../../codecs/mozjpeg/options';
 import BrowserJPEGEncoderOptions from '../../codecs/browser-jpeg/options';
 import WebPEncoderOptions from '../../codecs/webp/options';
+import JXLEncoderOptions from '../../codecs/jxl/options';
 import AvifEncoderOptions from '../../codecs/avif/options';
 import BrowserWebPEncoderOptions from '../../codecs/browser-webp/options';
 
@@ -17,6 +18,7 @@ import * as identity from '../../codecs/identity/encoder-meta';
 import * as oxiPNG from '../../codecs/oxipng/encoder-meta';
 import * as mozJPEG from '../../codecs/mozjpeg/encoder-meta';
 import * as webP from '../../codecs/webp/encoder-meta';
+import * as jxl from '../../codecs/jxl/encoder-meta';
 import * as avif from '../../codecs/avif/encoder-meta';
 import * as browserPNG from '../../codecs/browser-png/encoder-meta';
 import * as browserJPEG from '../../codecs/browser-jpeg/encoder-meta';
@@ -49,6 +51,7 @@ const encoderOptionsComponentMap: {
   [oxiPNG.type]: OxiPNGEncoderOptions,
   [mozJPEG.type]: MozJpegEncoderOptions,
   [webP.type]: WebPEncoderOptions,
+  [jxl.type]: JXLEncoderOptions,
   [avif.type]: AvifEncoderOptions,
   [browserPNG.type]: undefined,
   [browserJPEG.type]: BrowserJPEGEncoderOptions,

src/components/compress/index.tsx

@@ -10,6 +10,7 @@ import * as identity from '../../codecs/identity/encoder-meta';
 import * as oxiPNG from '../../codecs/oxipng/encoder-meta';
 import * as mozJPEG from '../../codecs/mozjpeg/encoder-meta';
 import * as webP from '../../codecs/webp/encoder-meta';
+import * as jxl from '../../codecs/jxl/encoder-meta';
 import * as avif from '../../codecs/avif/encoder-meta';
 import * as browserPNG from '../../codecs/browser-png/encoder-meta';
 import * as browserJPEG from '../../codecs/browser-jpeg/encoder-meta';
@@ -137,6 +138,7 @@ async function compressImage(
       case oxiPNG.type: return processor.oxiPngEncode(image, encodeData.options);
       case mozJPEG.type: return processor.mozjpegEncode(image, encodeData.options);
       case webP.type: return processor.webpEncode(image, encodeData.options);
+      case jxl.type: return processor.jxlEncode(image, encodeData.options);
       case avif.type: return processor.avifEncode(image, encodeData.options);
       case browserPNG.type: return processor.browserPngEncode(image);
       case browserJPEG.type: return processor.browserJpegEncode(image, encodeData.options);

src/lib/util.ts

@@ -104,6 +104,7 @@ const magicNumberToMimeType = new Map<RegExp, string>([
   [/^II*/, 'image/tiff'],
   [/^MM\x00*/, 'image/tiff'],
   [/^RIFF....WEBPVP8[LX ]/, 'image/webp'],
+  [/^\xff\x0a/, 'image/jpegxl'],
   [/^\x00\x00\x00 ftypavif\x00\x00\x00\x00/, 'image/avif'],
 ]);