Log decoding error

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

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&&
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+function Bb(){function a(){if(!zb&&(zb=!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())}}
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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;
+if(ea)z=w?require("path").dirname(z)+"/":__dirname+"/",ha=function(a,b){ka||(ka=require("fs"));la||(la=require("path"));a=la.normalize(a);return ka.readFileSync(a,b?null:"utf8")},ia=function(a){a=ha(a,!0);a.buffer||(a=new Uint8Array(a));assert(a.buffer);return a},1<process.argv.length&&(ca=process.argv[1].replace(/\\/g,"/")),process.argv.slice(2),process.on("uncaughtException",function(a){throw a;}),process.on("unhandledRejection",A),f.inspect=function(){return"[Emscripten Module object]"};else if(fa)"undefined"!=
+typeof read&&(ha=function(a){return read(a)}),ia=function(a){if("function"===typeof readbuffer)return new Uint8Array(readbuffer(a));a=read(a,"binary");assert("object"===typeof a);return a},"undefined"!==typeof print&&("undefined"===typeof console&&(console={}),console.log=print,console.warn=console.error="undefined"!==typeof printErr?printErr:print);else if(da||w)w?z=self.location.href:document.currentScript&&(z=document.currentScript.src),_scriptDir&&(z=_scriptDir),0!==z.indexOf("blob:")?z=z.substr(0,
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+f.noExitRuntime&&(noExitRuntime=f.noExitRuntime);"object"!==typeof WebAssembly&&A("no native wasm support detected");var C,oa=new WebAssembly.Table({initial:780,maximum:780,element:"anyfunc"}),pa=!1;function assert(a,b){a||A("Assertion failed: "+b)}var qa="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
+function D(a,b,c){var d=b+c;for(c=b;a[c]&&!(c>=d);)++c;if(16<c-b&&a.subarray&&qa)return qa.decode(a.subarray(b,c));for(d="";b<c;){var e=a[b++];if(e&128){var g=a[b++]&63;if(192==(e&224))d+=String.fromCharCode((e&31)<<6|g);else{var k=a[b++]&63;e=224==(e&240)?(e&15)<<12|g<<6|k:(e&7)<<18|g<<12|k<<6|a[b++]&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,c,d){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++]=k}else{if(2047>=k){if(c+1>=d)break;b[c++]=192|k>>6}else{if(65535>=k){if(c+2>=d)break;b[c++]=224|k>>12}else{if(c+3>=d)break;b[c++]=240|k>>18;b[c++]=128|k>>12&63}b[c++]=128|k>>6&63}b[c++]=128|k&63}}b[c]=0;return c-e}
+function sa(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 ta="undefined"!==typeof TextDecoder?new TextDecoder("utf-16le"):void 0;function ua(a,b){var c=a>>1;for(var d=c+b/2;!(c>=d)&&va[c];)++c;c<<=1;if(32<c-a&&ta)return ta.decode(E.subarray(a,c));c=0;for(d="";;){var e=G[a+2*c>>1];if(0==e||c==b/2)return d;++c;d+=String.fromCharCode(e)}}
+function wa(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]=a.charCodeAt(e),b+=2;G[b>>1]=0;return b-d}function xa(a){return 2*a.length}function ya(a,b){for(var c=0,d="";!(c>=b/4);){var e=H[a+4*c>>2];if(0==e)break;++c;65536<=e?(e-=65536,d+=String.fromCharCode(55296|e>>10,56320|e&1023)):d+=String.fromCharCode(e)}return d}
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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)};
+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 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/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&&
+(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 ha=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;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,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});
+E&&(J=E.buffer);ya=J.byteLength;xa(J);I[32956]=5374864;function M(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(d);else{var c=b.ea;"number"===typeof c?void 0===b.$?d.dynCall_v(c):d.dynCall_vi(c,b.$):c(void 0===b.$?null:b.$)}}}var za=[],Aa=[],Ba=[],Ca=[];function Da(){var a=d.preRun.shift();za.unshift(a)}var Ea=Math.ceil,Fa=Math.floor,N=0,Ga=null,O=null;d.preloadedImages={};d.preloadedAudios={};
+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 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 S(a){for(var b="";F[a];)b+=Oa[F[a++]];return b}var T={},U={},V={};function Pa(a){if(void 0===a)return"_unknown";a=a.replace(/[^a-zA-Z0-9_]/g,"$");var b=a.charCodeAt(0);return 48<=b&&57>=b?"_"+a:a}
+function Qa(a,b){a=Pa(a);return(new Function("body","return function "+a+'() {\n    "use strict";    return body.apply(this, arguments);\n};\n'))(b)}function Ra(a){var b=Error,c=Qa(a,function(e){this.name=a;this.message=e;e=Error(e).stack;void 0!==e&&(this.stack=this.toString()+"\n"+e.replace(/^Error(:[^\n]*)?\n/,""))});c.prototype=Object.create(b.prototype);c.prototype.constructor=c;c.prototype.toString=function(){return void 0===this.message?this.name:this.name+": "+this.message};return c}
+var Sa=void 0;function W(a){throw new Sa(a);}var Ta=void 0;function Ua(a,b){function c(k){k=b(k);if(k.length!==e.length)throw new Ta("Mismatched type converter count");for(var h=0;h<e.length;++h)X(e[h],k[h])}var e=[];e.forEach(function(k){V[k]=a});var f=Array(a.length),g=[],l=0;a.forEach(function(k,h){U.hasOwnProperty(k)?f[h]=U[k]:(g.push(k),T.hasOwnProperty(k)||(T[k]=[]),T[k].push(function(){f[h]=U[k];++l;l===g.length&&c(f)}))});0===g.length&&c(f)}
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+k=2);X(a,{name:c,fromWireType:function(h){for(var n=L[h>>2],p=l(),q,y=h+4,C=0;C<=n;++C){var m=h+4+C*b;if(C==n||0==p[m>>k])y=e(y,m-y),void 0===q?q=y:(q+=String.fromCharCode(0),q+=y),y=m+b}Z(h);return q},toWireType:function(h,n){"string"!==typeof n&&W("Cannot pass non-string to C++ string type "+c);var p=g(n),q=ub(4+p+b);L[q>>2]=p>>k;f(n,q+4,p+b);null!==h&&h.push(Z,q);return q},argPackAdvance:8,readValueFromPointer:$a,Z:function(h){Z(h)}})},z:function(a,b){b=S(b);X(a,{ga:!0,name:b,argPackAdvance:0,
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+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&&
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+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"
+  }
+}

src/codecs/decoders.ts

@@ -1,18 +1,24 @@
 import { builtinDecode, sniffMimeType, canDecodeImageType } from '../lib/util';
 import Processor from './processor';
 
-export async function decodeImage(blob: Blob, processor: Processor): Promise<ImageData> {
+export async function decodeImage(
+  blob: Blob,
+  processor: Processor,
+): Promise<ImageData> {
   const mimeType = await sniffMimeType(blob);
   const canDecode = await canDecodeImageType(mimeType);
 
   try {
     if (!canDecode) {
+      if (mimeType === 'image/webp2') return await processor.wp2Decode(blob);
       if (mimeType === 'image/avif') return await processor.avifDecode(blob);
       if (mimeType === 'image/webp') return await processor.webpDecode(blob);
+      if (mimeType === 'image/jpegxl') return await processor.jxlDecode(blob);
       // If it's not one of those types, fall through and try built-in decoding for a laugh.
     }
     return await builtinDecode(blob);
   } catch (err) {
+    console.error(err);
     throw Error("Couldn't decode image");
   }
 }

src/codecs/encoders.ts

@@ -2,7 +2,9 @@ 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 wp2 from './wp2/encoder-meta';
 import * as avif from './avif/encoder-meta';
+import * as jxl from './jxl/encoder-meta';
 import * as browserPNG from './browser-png/encoder-meta';
 import * as browserJPEG from './browser-jpeg/encoder-meta';
 import * as browserWebP from './browser-webp/encoder-meta';
@@ -21,7 +23,9 @@ export type EncoderState =
   oxiPNG.EncoderState |
   mozJPEG.EncoderState |
   webP.EncoderState |
+  wp2.EncoderState |
   avif.EncoderState |
+  jxl.EncoderState |
   browserPNG.EncoderState |
   browserJPEG.EncoderState |
   browserWebP.EncoderState |
@@ -36,7 +40,9 @@ export type EncoderOptions =
   oxiPNG.EncodeOptions |
   mozJPEG.EncodeOptions |
   webP.EncodeOptions |
+  wp2.EncodeOptions |
   avif.EncodeOptions |
+  jxl.EncodeOptions |
   browserPNG.EncodeOptions |
   browserJPEG.EncodeOptions |
   browserWebP.EncodeOptions |
@@ -53,7 +59,9 @@ export const encoderMap = {
   [oxiPNG.type]: oxiPNG,
   [mozJPEG.type]: mozJPEG,
   [webP.type]: webP,
+  [wp2.type]: wp2,
   [avif.type]: avif,
+  [jxl.type]: jxl,
   [browserPNG.type]: browserPNG,
   [browserJPEG.type]: browserJPEG,
   [browserWebP.type]: browserWebP,

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 +1,16 @@
+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;
+  const result = module.decode(data);
+  if (!result) {
+    throw new Error('Decoding error');
+  }
+  return result;
+}

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 +1,19 @@
+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);
+  if (!result) {
+    throw new Error('Encoding error');
+  }
+
+  // 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

@@ -82,6 +82,22 @@ async function webpDecode(data: ArrayBuffer): Promise<ImageData> {
   return timed('webpDecode', () => decode(data));
 }
 
+async function wp2Encode(
+  data: ImageData, options: import('../wp2/encoder-meta').EncodeOptions,
+): Promise<ArrayBuffer> {
+  const { encode } = await import(
+    /* webpackChunkName: "process-wp2-enc" */
+    '../wp2/encoder');
+  return timed('wp2Encode', () => encode(data, options));
+}
+
+async function wp2Decode(data: ArrayBuffer): Promise<ImageData> {
+  const { decode } = await import(
+    /* webpackChunkName: "process-wp2-dec" */
+    '../wp2/decoder');
+  return timed('wp2Decode', () => decode(data));
+}
+
 async function avifEncode(
   data: ImageData, options: import('../avif/encoder-meta').EncodeOptions,
 ): Promise<ArrayBuffer> {
@@ -98,6 +114,22 @@ async function avifDecode(data: ArrayBuffer): Promise<ImageData> {
   return timed('avifDencode', () => 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,
@@ -106,8 +138,12 @@ const exports = {
   oxiPngEncode,
   webpEncode,
   webpDecode,
+  wp2Encode,
+  wp2Decode,
   avifEncode,
   avifDecode,
+  jxlEncode,
+  jxlDecode,
 };
 export type ProcessorWorkerApi = typeof exports;
 

src/codecs/processor.ts

@@ -4,7 +4,9 @@ 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 WP2EncoderOptions } from './wp2/encoder-meta';
 import { EncodeOptions as AvifEncoderOptions } from './avif/encoder-meta';
+import { EncodeOptions as JXLEncoderOptions } from './jxl/encoder-meta';
 import { EncodeOptions as BrowserJPEGOptions } from './browser-jpeg/encoder-meta';
 import { EncodeOptions as BrowserWebpEncodeOptions } from './browser-webp/encoder-meta';
 import { BrowserResizeOptions, VectorResizeOptions } from './resize/processor-meta';
@@ -156,12 +158,23 @@ export default class Processor {
     return this._workerApi!.webpEncode(data, opts);
   }
 
+  @Processor._processingJob({ needsWorker: true })
+  wp2Encode(data: ImageData, opts: WP2EncoderOptions): Promise<ArrayBuffer> {
+    return this._workerApi!.wp2Encode(data, opts);
+  }
+
   @Processor._processingJob({ needsWorker: true })
   async webpDecode(blob: Blob): Promise<ImageData> {
     const data = await blobToArrayBuffer(blob);
     return this._workerApi!.webpDecode(data);
   }
 
+  @Processor._processingJob({ needsWorker: true })
+  async wp2Decode(blob: Blob): Promise<ImageData> {
+    const data = await blobToArrayBuffer(blob);
+    return this._workerApi!.wp2Decode(data);
+  }
+
   @Processor._processingJob({ needsWorker: true })
   async avifDecode(blob: Blob): Promise<ImageData> {
     const data = await blobToArrayBuffer(blob);
@@ -173,6 +186,17 @@ export default class Processor {
     return this._workerApi!.avifEncode(data, opts);
   }
 
+  @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);
+  }
+
   // Not-worker jobs:
 
   @Processor._processingJob()

src/codecs/wp2/decoder-meta.ts

@@ -0,0 +1,7 @@
+export const name = 'WASM WP2 Decoder';
+
+const supportedMimeTypes = ['image/webp2'];
+
+export function canHandleMimeType(mimeType: string): boolean {
+  return supportedMimeTypes.includes(mimeType);
+}

src/codecs/wp2/decoder.ts

@@ -0,0 +1,16 @@
+import wp2_dec, { WP2Module } from '../../../codecs/wp2/dec/wp2_dec';
+import wasmUrl from '../../../codecs/wp2/dec/wp2_dec.wasm';
+import { initEmscriptenModule } from '../util';
+
+let emscriptenModule: Promise<WP2Module>;
+
+export async function decode(data: ArrayBuffer): Promise<ImageData> {
+  if (!emscriptenModule) emscriptenModule = initEmscriptenModule(wp2_dec, wasmUrl);
+
+  const module = await emscriptenModule;
+  const result = module.decode(data);
+  if (!result) {
+    throw new Error('Decoding error');
+  }
+  return result;
+}

src/codecs/wp2/encoder-meta.ts

@@ -0,0 +1,20 @@
+export interface EncodeOptions {
+  quality: number;
+  alpha_quality: number;
+  speed: number;
+  pass: number;
+  sns: number;
+}
+export interface EncoderState { type: typeof type; options: EncodeOptions; }
+
+export const type = 'wp2';
+export const label = 'WebP 2 (unstable)';
+export const mimeType = 'image/webp2';
+export const extension = 'wp2';
+export const defaultOptions: EncodeOptions = {
+  quality: 75,
+  alpha_quality: 100,
+  speed: 5,
+  pass: 1,
+  sns: 50,
+};

src/codecs/wp2/encoder.ts

@@ -0,0 +1,20 @@
+import wp2_enc, { WP2Module } from '../../../codecs/wp2/enc/wp2_enc';
+import wasmUrl from '../../../codecs/wp2/enc/wp2_enc.wasm';
+import { EncodeOptions } from './encoder-meta';
+import { initEmscriptenModule } from '../util';
+
+let emscriptenModule: Promise<WP2Module>;
+
+export async function encode(data: ImageData, options: EncodeOptions): Promise<ArrayBuffer> {
+  if (!emscriptenModule) emscriptenModule = initEmscriptenModule(wp2_enc, wasmUrl);
+
+  const module = await emscriptenModule;
+  const result = module.encode(data.data, data.width, data.height, options);
+
+  if (!result) {
+    throw new Error('Encoding error');
+  }
+
+  // wasm can’t run on SharedArrayBuffers, so we hard-cast to ArrayBuffer.
+  return result.buffer as ArrayBuffer;
+}

src/codecs/wp2/options.tsx

@@ -0,0 +1,105 @@
+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 Range from '../../components/range';
+
+interface Props {
+  options: EncodeOptions;
+  onChange(newOptions: EncodeOptions): void;
+}
+
+interface State {
+  showAdvanced: boolean;
+}
+
+export default class WP2EncoderOptions extends Component<Props, State> {
+  state: State = {
+    showAdvanced: false,
+  };
+
+  @bind
+  onChange(event: Event) {
+    const form = (event.currentTarget as HTMLInputElement).closest(
+      'form',
+    ) as HTMLFormElement;
+    const { options } = this.props;
+    const newOptions: EncodeOptions = {
+      quality: inputFieldValueAsNumber(form.quality, options.quality),
+      alpha_quality: inputFieldValueAsNumber(form.alpha_quality, options.alpha_quality),
+      speed: inputFieldValueAsNumber(form.speed, options.speed),
+      pass: inputFieldValueAsNumber(form.pass, options.pass),
+      sns: inputFieldValueAsNumber(form.sns, options.sns),
+
+    };
+    this.props.onChange(newOptions);
+  }
+
+  render({ options }: Props) {
+    return (
+      <form class={style.optionsSection} onSubmit={preventDefault}>
+        <div class={style.optionOneCell}>
+          <Range
+            name="quality"
+            min="0"
+            max="100"
+            step="1"
+            value={options.quality}
+            onInput={this.onChange}
+          >
+            Quality:
+          </Range>
+        </div>
+        <div class={style.optionOneCell}>
+          <Range
+            name="alpha_quality"
+            min="0"
+            max="100"
+            step="1"
+            value={options.alpha_quality}
+            onInput={this.onChange}
+          >
+            Alpha Quality:
+          </Range>
+        </div>
+        <div class={style.optionOneCell}>
+          <Range
+            name="speed"
+            min="0"
+            max="9"
+            step="1"
+            value={options.speed}
+            onInput={this.onChange}
+          >
+            Speed:
+          </Range>
+        </div>
+        <div class={style.optionOneCell}>
+          <Range
+            name="pass"
+            min="1"
+            max="10"
+            step="1"
+            value={options.pass}
+            onInput={this.onChange}
+          >
+            Pass:
+          </Range>
+        </div>
+        <div class={style.optionOneCell}>
+          <Range
+            name="sns"
+            min="0"
+            max="100"
+            step="1"
+            value={options.sns}
+            onInput={this.onChange}
+          >
+            Spatial noise shaping:
+          </Range>
+        </div>
+      </form>
+    );
+  }
+}

src/components/Options/index.tsx

@@ -7,7 +7,9 @@ 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 WP2EncoderOptions from '../../codecs/wp2/options';
 import AvifEncoderOptions from '../../codecs/avif/options';
+import JXLEncoderOptions from '../../codecs/jxl/options';
 import BrowserWebPEncoderOptions from '../../codecs/browser-webp/options';
 
 import QuantizerOptionsComponent from '../../codecs/imagequant/options';
@@ -17,7 +19,9 @@ 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 wp2 from '../../codecs/wp2/encoder-meta';
 import * as avif from '../../codecs/avif/encoder-meta';
+import * as jxl from '../../codecs/jxl/encoder-meta';
 import * as browserPNG from '../../codecs/browser-png/encoder-meta';
 import * as browserJPEG from '../../codecs/browser-jpeg/encoder-meta';
 import * as browserWebP from '../../codecs/browser-webp/encoder-meta';
@@ -49,7 +53,9 @@ const encoderOptionsComponentMap: {
   [oxiPNG.type]: OxiPNGEncoderOptions,
   [mozJPEG.type]: MozJpegEncoderOptions,
   [webP.type]: WebPEncoderOptions,
+  [wp2.type]: WP2EncoderOptions,
   [avif.type]: AvifEncoderOptions,
+  [jxl.type]: JXLEncoderOptions,
   [browserPNG.type]: undefined,
   [browserJPEG.type]: BrowserJPEGEncoderOptions,
   [browserWebP.type]: BrowserWebPEncoderOptions,

src/components/compress/index.tsx

@@ -10,7 +10,9 @@ 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 wp2 from '../../codecs/wp2/encoder-meta';
 import * as avif from '../../codecs/avif/encoder-meta';
+import * as jxl from '../../codecs/jxl/encoder-meta';
 import * as browserPNG from '../../codecs/browser-png/encoder-meta';
 import * as browserJPEG from '../../codecs/browser-jpeg/encoder-meta';
 import * as browserWebP from '../../codecs/browser-webp/encoder-meta';
@@ -137,7 +139,9 @@ 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 wp2.type: return processor.wp2Encode(image, encodeData.options);
       case avif.type: return processor.avifEncode(image, encodeData.options);
+      case jxl.type: return processor.jxlEncode(image, encodeData.options);
       case browserPNG.type: return processor.browserPngEncode(image);
       case browserJPEG.type: return processor.browserJpegEncode(image, encodeData.options);
       case browserWebP.type: return processor.browserWebpEncode(image, encodeData.options);

src/lib/util.ts

@@ -129,7 +129,9 @@ const magicNumberToMimeType = new Map<RegExp, string>([
   [/^II*/, 'image/tiff'],
   [/^MM\x00*/, 'image/tiff'],
   [/^RIFF....WEBPVP8[LX ]/, 'image/webp'],
+  [/^\xF4\xFF\x6F/, 'image/webp2'],
   [/^\x00\x00\x00 ftypavif\x00\x00\x00\x00/, 'image/avif'],
+  [/^\xff\x0a/, 'image/jpegxl'],
 ]);
 
 export async function sniffMimeType(blob: Blob): Promise<string> {