Log decoding error

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

_headers.ejs

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

codecs/avif/Makefile

@@ -1,13 +1,15 @@
-CODEC_URL = https://github.com/AOMediaCodec/libavif/archive/v0.8.1.tar.gz
+CODEC_URL = https://github.com/AOMediaCodec/libavif/archive/31d7c6d1e32cf467ac24fb8c7a76c4902a4c00db.tar.gz
 CODEC_PACKAGE = node_modules/libavif.tar.gz
 
 LIBAOM_URL = https://aomedia.googlesource.com/aom/+archive/v2.0.0.tar.gz
 LIBAOM_PACKAGE = node_modules/libaom.tar.gz
 
-CODEC_ENC_DIR = node_modules/libavif-enc
-CODEC_ENC_MT_DIR = node_modules/libavif-enc-mt
-CODEC_DEC_DIR = node_modules/libavif-dec
-LIBAOM_DIR = node_modules/libaom
+export CODEC_DIR = node_modules/libavif
+BUILD_DIR := node_modules/build
+ENC_BUILD_DIR := $(BUILD_DIR)/enc
+ENC_MT_BUILD_DIR := $(BUILD_DIR)/enc-mt
+DEC_BUILD_DIR := $(BUILD_DIR)/dec
+export LIBAOM_DIR = node_modules/libaom
 
 OUT_ENC_JS = enc/avif_enc.js
 OUT_ENC_MT_JS = enc/avif_enc_mt.js
@@ -16,47 +18,49 @@ OUT_DEC_JS = dec/avif_dec.js
 OUT_ENC_CPP = enc/avif_enc.cpp
 OUT_DEC_CPP = dec/avif_dec.cpp
 
-HELPER_MAKEFLAGS := -f helper.Makefile \
-	LIBAOM_DIR=$(LIBAOM_DIR) \
-	CODEC_PACKAGE=$(CODEC_PACKAGE) \
-	LIBAOM_PACKAGE=$(LIBAOM_PACKAGE)
+HELPER_MAKEFLAGS := -f helper.Makefile
 
 .PHONY: all clean
 
 all: $(OUT_ENC_JS) $(OUT_DEC_JS) $(OUT_ENC_MT_JS)
 
-$(OUT_ENC_JS): $(OUT_ENC_CPP) $(CODEC_PACKAGE) $(LIBAOM_DIR)/CMakeLists.txt
+$(OUT_ENC_JS): $(OUT_ENC_CPP) $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_DIR)/CMakeLists.txt
 	$(MAKE) \
 		$(HELPER_MAKEFLAGS) \
-		CODEC_DIR=$(CODEC_ENC_DIR) \
+		BUILD_DIR=$(ENC_BUILD_DIR) \
 		OUT_JS=$@ \
 		OUT_CPP=$< \
 		LIBAOM_FLAGS="\
 			-DCONFIG_AV1_DECODER=0 \
 			-DCONFIG_MULTITHREAD=0 \
-		"
+			-DCONFIG_AV1_HIGHBITDEPTH=0 \
+		" \
+		LIBAVIF_FLAGS="-DAVIF_CODEC_AOM_DECODE=0"
 
-$(OUT_ENC_MT_JS): $(OUT_ENC_CPP) $(CODEC_PACKAGE) $(LIBAOM_DIR)/CMakeLists.txt
+$(OUT_ENC_MT_JS): $(OUT_ENC_CPP) $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_DIR)/CMakeLists.txt
 	$(MAKE) \
 		$(HELPER_MAKEFLAGS) \
-		CODEC_DIR=$(CODEC_ENC_MT_DIR) \
+		BUILD_DIR=$(ENC_MT_BUILD_DIR) \
 		OUT_JS=$@ \
 		OUT_CPP=$< \
 		LIBAOM_FLAGS="\
 			-DCONFIG_AV1_DECODER=0 \
+			-DCONFIG_AV1_HIGHBITDEPTH=0 \
 		" \
+		LIBAVIF_FLAGS="-DAVIF_CODEC_AOM_DECODE=0" \
 		OUT_FLAGS="-pthread"
 
-$(OUT_DEC_JS): $(OUT_DEC_CPP) $(CODEC_PACKAGE) $(LIBAOM_DIR)/CMakeLists.txt
+$(OUT_DEC_JS): $(OUT_DEC_CPP) $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_DIR)/CMakeLists.txt
 	$(MAKE) \
 		$(HELPER_MAKEFLAGS) \
-		CODEC_DIR=$(CODEC_DEC_DIR) \
+		BUILD_DIR=$(DEC_BUILD_DIR) \
 		OUT_JS=$@ \
 		OUT_CPP=$< \
 		LIBAOM_FLAGS="\
 			-DCONFIG_AV1_ENCODER=0 \
 			-DCONFIG_MULTITHREAD=0 \
-		"
+		" \
+		LIBAVIF_FLAGS="-DAVIF_CODEC_AOM_ENCODE=0"
 
 $(CODEC_PACKAGE):
 	mkdir -p $(@D)
@@ -66,11 +70,15 @@ $(LIBAOM_PACKAGE):
 	mkdir -p $(@D)
 	curl -sL $(LIBAOM_URL) -o $@
 
+$(CODEC_DIR)/CMakeLists.txt: $(CODEC_PACKAGE)
+	mkdir -p $(@D)
+	tar xzm --strip 1 -C $(@D) -f $(CODEC_PACKAGE)
+
 $(LIBAOM_DIR)/CMakeLists.txt: $(LIBAOM_PACKAGE)
 	mkdir -p $(@D)
 	tar xzm -C $(@D) -f $(LIBAOM_PACKAGE)
 
 clean:
-	$(MAKE) $(HELPER_MAKEFLAGS) CODEC_DIR=$(CODEC_ENC_DIR) OUT_JS=$(OUT_ENC_JS) clean
-	$(MAKE) $(HELPER_MAKEFLAGS) CODEC_DIR=$(CODEC_ENC_MT_DIR) OUT_JS=$(OUT_ENC_MT_JS) clean
-	$(MAKE) $(HELPER_MAKEFLAGS) CODEC_DIR=$(CODEC_DEC_DIR) OUT_JS=$(OUT_DEC_JS) clean
+	$(MAKE) $(HELPER_MAKEFLAGS) BUILD_DIR=$(ENC_BUILD_DIR) OUT_JS=$(OUT_ENC_JS) clean
+	$(MAKE) $(HELPER_MAKEFLAGS) BUILD_DIR=$(ENC_MT_BUILD_DIR) OUT_JS=$(OUT_ENC_MT_JS) clean
+	$(MAKE) $(HELPER_MAKEFLAGS) BUILD_DIR=$(DEC_BUILD_DIR) OUT_JS=$(OUT_DEC_JS) clean

codecs/avif/dec/avif_dec.cpp

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

codecs/avif/dec/avif_dec.js

@@ -11,52 +11,51 @@ var d;d||(d=typeof avif_dec !== 'undefined' ? avif_dec : {});var aa,ba;d.ready=n
 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 ia=0,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:419,maximum:419,element:"anyfunc"}),ka=!1,la="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
+d.noExitRuntime&&(noExitRuntime=d.noExitRuntime);"object"!==typeof WebAssembly&&A("no native wasm support detected");var E,ja=new WebAssembly.Table({initial:645,maximum:645,element:"anyfunc"}),ka=!1,la="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
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codecs/avif/enc/avif_enc.js

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codecs/avif/enc/avif_enc_mt.js

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-G?(z.___embind_register_native_and_builtin_types(),na(z)):ke();
+return c(b)})})})();return{}})();var pb=z.___wasm_call_ctors=function(){return(pb=z.___wasm_call_ctors=z.asm.ha).apply(null,arguments)},R=z._malloc=function(){return(R=z._malloc=z.asm.ia).apply(null,arguments)},M=z._free=function(){return(M=z._free=z.asm.ja).apply(null,arguments)},ed=z.___getTypeName=function(){return(ed=z.___getTypeName=z.asm.ka).apply(null,arguments)};
+z.___embind_register_native_and_builtin_types=function(){return(z.___embind_register_native_and_builtin_types=z.asm.la).apply(null,arguments)};var Gd=z._emscripten_get_global_libc=function(){return(Gd=z._emscripten_get_global_libc=z.asm.ma).apply(null,arguments)},Cc=z.___errno_location=function(){return(Cc=z.___errno_location=z.asm.na).apply(null,arguments)};z.___em_js__initPthreadsJS=function(){return(z.___em_js__initPthreadsJS=z.asm.oa).apply(null,arguments)};
+var Z=z._setThrew=function(){return(Z=z._setThrew=z.asm.pa).apply(null,arguments)},Y=z.stackSave=function(){return(Y=z.stackSave=z.asm.qa).apply(null,arguments)},N=z.stackRestore=function(){return(N=z.stackRestore=z.asm.ra).apply(null,arguments)},nd=z.stackAlloc=function(){return(nd=z.stackAlloc=z.asm.sa).apply(null,arguments)},Ud=z._memalign=function(){return(Ud=z._memalign=z.asm.ta).apply(null,arguments)};
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+z._emscripten_current_thread_process_queued_calls=function(){return(z._emscripten_current_thread_process_queued_calls=z.asm.xa).apply(null,arguments)};var wb=z._emscripten_register_main_browser_thread_id=function(){return(wb=z._emscripten_register_main_browser_thread_id=z.asm.ya).apply(null,arguments)},nb=z._do_emscripten_dispatch_to_thread=function(){return(nb=z._do_emscripten_dispatch_to_thread=z.asm.za).apply(null,arguments)};
+z._emscripten_async_run_in_main_thread=function(){return(z._emscripten_async_run_in_main_thread=z.asm.Aa).apply(null,arguments)};z._emscripten_sync_run_in_main_thread=function(){return(z._emscripten_sync_run_in_main_thread=z.asm.Ba).apply(null,arguments)};z._emscripten_sync_run_in_main_thread_0=function(){return(z._emscripten_sync_run_in_main_thread_0=z.asm.Ca).apply(null,arguments)};
+z._emscripten_sync_run_in_main_thread_1=function(){return(z._emscripten_sync_run_in_main_thread_1=z.asm.Da).apply(null,arguments)};z._emscripten_sync_run_in_main_thread_2=function(){return(z._emscripten_sync_run_in_main_thread_2=z.asm.Ea).apply(null,arguments)};z._emscripten_sync_run_in_main_thread_xprintf_varargs=function(){return(z._emscripten_sync_run_in_main_thread_xprintf_varargs=z.asm.Fa).apply(null,arguments)};
+z._emscripten_sync_run_in_main_thread_3=function(){return(z._emscripten_sync_run_in_main_thread_3=z.asm.Ga).apply(null,arguments)};var Td=z._emscripten_sync_run_in_main_thread_4=function(){return(Td=z._emscripten_sync_run_in_main_thread_4=z.asm.Ha).apply(null,arguments)};z._emscripten_sync_run_in_main_thread_5=function(){return(z._emscripten_sync_run_in_main_thread_5=z.asm.Ia).apply(null,arguments)};
+z._emscripten_sync_run_in_main_thread_6=function(){return(z._emscripten_sync_run_in_main_thread_6=z.asm.Ja).apply(null,arguments)};z._emscripten_sync_run_in_main_thread_7=function(){return(z._emscripten_sync_run_in_main_thread_7=z.asm.Ka).apply(null,arguments)};
+var od=z._emscripten_run_in_main_runtime_thread_js=function(){return(od=z._emscripten_run_in_main_runtime_thread_js=z.asm.La).apply(null,arguments)},ud=z.__emscripten_call_on_thread=function(){return(ud=z.__emscripten_call_on_thread=z.asm.Ma).apply(null,arguments)};z._emscripten_tls_init=function(){return(z._emscripten_tls_init=z.asm.Na).apply(null,arguments)};
+var Cb=z.dynCall_vi=function(){return(Cb=z.dynCall_vi=z.asm.Oa).apply(null,arguments)},Wd=z.dynCall_vii=function(){return(Wd=z.dynCall_vii=z.asm.Pa).apply(null,arguments)};z.dynCall_viii=function(){return(z.dynCall_viii=z.asm.Qa).apply(null,arguments)};var Xd=z.dynCall_viiii=function(){return(Xd=z.dynCall_viiii=z.asm.Ra).apply(null,arguments)};z.dynCall_viiiiiiiiii=function(){return(z.dynCall_viiiiiiiiii=z.asm.Sa).apply(null,arguments)};
+var Yd=z.dynCall_iii=function(){return(Yd=z.dynCall_iii=z.asm.Ta).apply(null,arguments)},Zd=z.dynCall_iiii=function(){return(Zd=z.dynCall_iiii=z.asm.Ua).apply(null,arguments)},$d=z.dynCall_iiiii=function(){return($d=z.dynCall_iiiii=z.asm.Va).apply(null,arguments)},ae=z.dynCall_iiiiiiiii=function(){return(ae=z.dynCall_iiiiiiiii=z.asm.Wa).apply(null,arguments)};z.dynCall_i=function(){return(z.dynCall_i=z.asm.Xa).apply(null,arguments)};
+z.dynCall_iiiiii=function(){return(z.dynCall_iiiiii=z.asm.Ya).apply(null,arguments)};z.dynCall_viiiii=function(){return(z.dynCall_viiiii=z.asm.Za).apply(null,arguments)};z.dynCall_iiiiiii=function(){return(z.dynCall_iiiiiii=z.asm._a).apply(null,arguments)};z.dynCall_viiiiii=function(){return(z.dynCall_viiiiii=z.asm.$a).apply(null,arguments)};z.dynCall_viiiiiii=function(){return(z.dynCall_viiiiiii=z.asm.ab).apply(null,arguments)};
+z.dynCall_viiiiiiiiiii=function(){return(z.dynCall_viiiiiiiiiii=z.asm.bb).apply(null,arguments)};z.dynCall_ii=function(){return(z.dynCall_ii=z.asm.cb).apply(null,arguments)};z.dynCall_v=function(){return(z.dynCall_v=z.asm.db).apply(null,arguments)};z.dynCall_iiiiiiii=function(){return(z.dynCall_iiiiiiii=z.asm.eb).apply(null,arguments)};z.dynCall_iiiiiiiiii=function(){return(z.dynCall_iiiiiiiiii=z.asm.fb).apply(null,arguments)};
+z.dynCall_iiiiiiiiiiii=function(){return(z.dynCall_iiiiiiiiiiii=z.asm.gb).apply(null,arguments)};z.dynCall_viiiiiiii=function(){return(z.dynCall_viiiiiiii=z.asm.hb).apply(null,arguments)};z.dynCall_jiiiiiiiii=function(){return(z.dynCall_jiiiiiiiii=z.asm.ib).apply(null,arguments)};z.dynCall_jiji=function(){return(z.dynCall_jiji=z.asm.jb).apply(null,arguments)};z.dynCall_iidiiii=function(){return(z.dynCall_iidiiii=z.asm.kb).apply(null,arguments)};
+z.dynCall_viiiiiiiiiiiii=function(){return(z.dynCall_viiiiiiiiiiiii=z.asm.lb).apply(null,arguments)};z.dynCall_jiiiiiiii=function(){return(z.dynCall_jiiiiiiii=z.asm.mb).apply(null,arguments)};z.dynCall_ff=function(){return(z.dynCall_ff=z.asm.nb).apply(null,arguments)};z.dynCall_jiiiiii=function(){return(z.dynCall_jiiiiii=z.asm.ob).apply(null,arguments)};z.dynCall_jiiiii=function(){return(z.dynCall_jiiiii=z.asm.pb).apply(null,arguments)};
+z.dynCall_iiijii=function(){return(z.dynCall_iiijii=z.asm.qb).apply(null,arguments)};function Qd(a,b){var c=Y();try{Cb(a,b)}catch(d){N(c);if(d!==d+0&&"longjmp"!==d)throw d;Z(1,0)}}function Sd(a,b,c,d,f){var g=Y();try{Xd(a,b,c,d,f)}catch(h){N(g);if(h!==h+0&&"longjmp"!==h)throw h;Z(1,0)}}function Rd(a,b,c){var d=Y();try{Wd(a,b,c)}catch(f){N(d);if(f!==f+0&&"longjmp"!==f)throw f;Z(1,0)}}
+function Pd(a,b,c,d,f,g,h,l,k){var q=Y();try{return ae(a,b,c,d,f,g,h,l,k)}catch(r){N(q);if(r!==r+0&&"longjmp"!==r)throw r;Z(1,0)}}function Md(a,b,c){var d=Y();try{return Yd(a,b,c)}catch(f){N(d);if(f!==f+0&&"longjmp"!==f)throw f;Z(1,0)}}function Od(a,b,c,d,f){var g=Y();try{return $d(a,b,c,d,f)}catch(h){N(g);if(h!==h+0&&"longjmp"!==h)throw h;Z(1,0)}}function Nd(a,b,c,d){var f=Y();try{return Zd(a,b,c,d)}catch(g){N(f);if(g!==g+0&&"longjmp"!==g)throw g;Z(1,0)}}z.PThread=L;z.PThread=L;z._pthread_self=Hd;
+z.wasmMemory=m;z.ExitStatus=ya;var be;function ya(a){this.name="ExitStatus";this.message="Program terminated with exit("+a+")";this.status=a}fb=function ce(){be||de();be||(fb=ce)};
+function de(){function a(){if(!be&&(be=!0,z.calledRun=!0,!Ha)){z.noFSInit||tc||(tc=!0,sc(),z.stdin=z.stdin,z.stdout=z.stdout,z.stderr=z.stderr,z.stdin?vc("stdin",z.stdin):oc("/dev/tty","/dev/stdin"),z.stdout?vc("stdout",null,z.stdout):oc("/dev/tty","/dev/stdout"),z.stderr?vc("stderr",null,z.stderr):oc("/dev/tty1","/dev/stderr"),pc("/dev/stdin","r"),pc("/dev/stdout","w"),pc("/dev/stderr","w"));Ua(Wa);G||(Xb=!1,Ua(Xa));na(z);if(z.onRuntimeInitialized)z.onRuntimeInitialized();if(!G){if(z.postRun)for("function"==
+typeof z.postRun&&(z.postRun=[z.postRun]);z.postRun.length;){var b=z.postRun.shift();Ya.unshift(b)}Ua(Ya)}}}if(!(0<db)){if(!G){if(z.preRun)for("function"==typeof z.preRun&&(z.preRun=[z.preRun]);z.preRun.length;)Za();Ua(Va)}0<db||(z.setStatus?(z.setStatus("Running..."),setTimeout(function(){setTimeout(function(){z.setStatus("")},1);a()},1)):a())}}z.run=de;if(z.preInit)for("function"==typeof z.preInit&&(z.preInit=[z.preInit]);0<z.preInit.length;)z.preInit.pop()();G||(noExitRuntime=!0);
+G?(z.___embind_register_native_and_builtin_types(),na(z)):de();
 
 
   return avif_enc_mt.ready

codecs/avif/helper.Makefile

@@ -3,16 +3,16 @@
 # Params that must be supplied by the caller:
 #   $(CODEC_DIR)
 #   $(LIBAOM_DIR)
+#   $(BUILD_DIR)
 #   $(OUT_JS)
 #   $(OUT_CPP)
 #   $(LIBAOM_FLAGS)
-#   $(CODEC_PACKAGE)
-#   $(LIBAOM_PACKAGE)
+#   $(LIBAVIF_FLAGS)
 
-CODEC_BUILD_DIR := $(CODEC_DIR)/build
+CODEC_BUILD_DIR := $(BUILD_DIR)/libavif
 CODEC_OUT := $(CODEC_BUILD_DIR)/libavif.a
 
-LIBAOM_BUILD_DIR := $(CODEC_DIR)/ext/aom/build.libavif
+LIBAOM_BUILD_DIR := $(BUILD_DIR)/libaom
 LIBAOM_OUT := $(LIBAOM_BUILD_DIR)/libaom.a
 
 OUT_WASM = $(OUT_JS:.js=.wasm)
@@ -23,7 +23,6 @@ OUT_WORKER=$(OUT_JS:.js=.worker.js)
 all: $(OUT_JS)
 
 $(OUT_JS): $(OUT_CPP) $(LIBAOM_OUT) $(CODEC_OUT)
-	# ERROR_ON_UNDEFINED_SYMBOLS=0 is needed to separate the encoder and decoder
 	$(CXX) \
 		-I $(CODEC_DIR)/include \
 		$(CXXFLAGS) \
@@ -33,7 +32,6 @@ $(OUT_JS): $(OUT_CPP) $(LIBAOM_OUT) $(CODEC_OUT)
 		--closure 1 \
 		-s ALLOW_MEMORY_GROWTH=1 \
 		-s MODULARIZE=1 \
-		-s ERROR_ON_UNDEFINED_SYMBOLS=0 \
 		-s 'EXPORT_NAME="$(basename $(@F))"' \
 		-o $@ \
 		$+
@@ -43,8 +41,9 @@ $(CODEC_OUT): $(CODEC_DIR)/CMakeLists.txt $(LIBAOM_OUT)
 		-DCMAKE_BUILD_TYPE=Release \
 		-DBUILD_SHARED_LIBS=0 \
 		-DAVIF_CODEC_AOM=1 \
-		-DAVIF_LOCAL_AOM=1 \
-		-DAVIF_CODEC_INCLUDES=$(abspath $(LIBAOM_DIR)) \
+		-DAOM_LIBRARY=$(LIBAOM_OUT) \
+		-DAOM_INCLUDE_DIR=$(LIBAOM_DIR) \
+		$(LIBAVIF_FLAGS) \
 		-B $(CODEC_BUILD_DIR) \
 		$(CODEC_DIR) && \
 	$(MAKE) -C $(CODEC_BUILD_DIR)
@@ -62,16 +61,11 @@ $(LIBAOM_OUT): $(LIBAOM_DIR)/CMakeLists.txt
 		-DCONFIG_INSPECTION=0 \
 		-DCONFIG_RUNTIME_CPU_DETECT=0 \
 		-DCONFIG_WEBM_IO=0 \
-		-DCONFIG_AV1_HIGHBITDEPTH=0 \
 		$(LIBAOM_FLAGS) \
 		-B $(LIBAOM_BUILD_DIR) \
 		$(LIBAOM_DIR) && \
 	$(MAKE) -C $(LIBAOM_BUILD_DIR)
 
-$(CODEC_DIR)/CMakeLists.txt: $(CODEC_PACKAGE)
-	mkdir -p $(@D)
-	tar xzm --strip 1 -C $(@D) -f $(CODEC_PACKAGE)
-
 clean:
 	$(RM) $(OUT_JS) $(OUT_WASM) $(OUT_WORKER)
 	$(MAKE) -C $(CODEC_BUILD_DIR) clean

codecs/cpp.Dockerfile

@@ -1,6 +1,6 @@
 FROM emscripten/emsdk:1.40.0
 RUN apt-get update && apt-get install -qqy autoconf libtool pkg-config
-ENV CFLAGS "-Os -flto"
+ENV CFLAGS "-O3 -flto"
 ENV CXXFLAGS "${CFLAGS} -std=c++17"
 ENV LDFLAGS "${CFLAGS} -s PTHREAD_POOL_SIZE=navigator.hardwareConcurrency"
 # Build and cache standard libraries with these flags

codecs/hqx/build.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+set -e
+
+echo "============================================="
+echo "Compiling wasm"
+echo "============================================="
+(
+  wasm-pack build -- --verbose --locked
+  rm pkg/.gitignore
+)
+echo "============================================="
+echo "Compiling wasm  done"
+echo "============================================="
+
+echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
+echo "Did you update your docker image?"
+echo "Run \`docker pull ubuntu\`"
+echo "Run \`docker pull rust\`"
+echo "Run \`docker build -t squoosh-hqx .\`"
+echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

codecs/imagequant/imagequant.js

@@ -7,51 +7,51 @@ function(imagequant) {
   imagequant = imagequant || {};
 
 
-var d;d||(d=typeof imagequant !== 'undefined' ? imagequant : {});var aa;d.ready=new Promise(function(a){aa=a});var r={},t;for(t in d)d.hasOwnProperty(t)&&(r[t]=d[t]);var u=!1,v=!1,ba=!1,ca=!1;u="object"===typeof window;v="function"===typeof importScripts;ba="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;ca=!u&&!ba&&!v;var w="",x,z,da,ea;
-if(ba)w=v?require("path").dirname(w)+"/":__dirname+"/",x=function(a,b){da||(da=require("fs"));ea||(ea=require("path"));a=ea.normalize(a);return da.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(ca)"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 fa=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,ha=new WebAssembly.Table({initial:46,maximum:46,element:"anyfunc"}),ia=!1,ja="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
-function ka(a,b,c){var e=b+c;for(c=b;a[c]&&!(c>=e);)++c;if(16<c-b&&a.subarray&&ja)return ja.decode(a.subarray(b,c));for(e="";b<c;){var f=a[b++];if(f&128){var g=a[b++]&63;if(192==(f&224))e+=String.fromCharCode((f&31)<<6|g);else{var l=a[b++]&63;f=224==(f&240)?(f&15)<<12|g<<6|l:(f&7)<<18|g<<12|l<<6|a[b++]&63;65536>f?e+=String.fromCharCode(f):(f-=65536,e+=String.fromCharCode(55296|f>>10,56320|f&1023))}}else e+=String.fromCharCode(f)}return e}
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+(function(){function a(f){d.asm=f.exports;N--;d.monitorRunDependencies&&d.monitorRunDependencies(N);0==N&&(null!==Ea&&(clearInterval(Ea),Ea=null),O&&(f=O,O=null,f()))}function b(f){a(f.instance)}function c(f){return Ja().then(function(g){return WebAssembly.instantiate(g,e)}).then(f,function(g){B("failed to asynchronously prepare wasm: "+g);A(g)})}var e={a:sb};N++;d.monitorRunDependencies&&d.monitorRunDependencies(N);if(d.instantiateWasm)try{return d.instantiateWasm(e,a)}catch(f){return B("Module.instantiateWasm callback failed with error: "+
+f),!1}(function(){if(D||"function"!==typeof WebAssembly.instantiateStreaming||Ga()||Fa("file://")||"function"!==typeof fetch)return c(b);fetch(Q,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,e).then(b,function(g){B("wasm streaming compile failed: "+g);B("falling back to ArrayBuffer instantiation");return c(b)})})})();return{}})();
+var Ka=d.___wasm_call_ctors=function(){return(Ka=d.___wasm_call_ctors=d.asm.v).apply(null,arguments)},rb=d._malloc=function(){return(rb=d._malloc=d.asm.w).apply(null,arguments)},Z=d._free=function(){return(Z=d._free=d.asm.x).apply(null,arguments)},hb=d.___getTypeName=function(){return(hb=d.___getTypeName=d.asm.y).apply(null,arguments)};d.___embind_register_native_and_builtin_types=function(){return(d.___embind_register_native_and_builtin_types=d.asm.z).apply(null,arguments)};
+d.dynCall_iiiiiif=function(){return(d.dynCall_iiiiiif=d.asm.A).apply(null,arguments)};d.dynCall_viiiiif=function(){return(d.dynCall_viiiiif=d.asm.B).apply(null,arguments)};d.dynCall_iiiiif=function(){return(d.dynCall_iiiiif=d.asm.C).apply(null,arguments)};d.dynCall_viiiif=function(){return(d.dynCall_viiiif=d.asm.D).apply(null,arguments)};d.dynCall_ii=function(){return(d.dynCall_ii=d.asm.E).apply(null,arguments)};d.dynCall_i=function(){return(d.dynCall_i=d.asm.F).apply(null,arguments)};
+d.dynCall_vi=function(){return(d.dynCall_vi=d.asm.G).apply(null,arguments)};d.dynCall_vif=function(){return(d.dynCall_vif=d.asm.H).apply(null,arguments)};d.dynCall_iii=function(){return(d.dynCall_iii=d.asm.I).apply(null,arguments)};d.dynCall_iidiiii=function(){return(d.dynCall_iidiiii=d.asm.J).apply(null,arguments)};d.dynCall_vii=function(){return(d.dynCall_vii=d.asm.K).apply(null,arguments)};d.dynCall_iiii=function(){return(d.dynCall_iiii=d.asm.L).apply(null,arguments)};
+d.dynCall_jiji=function(){return(d.dynCall_jiji=d.asm.M).apply(null,arguments)};d.dynCall_viiiiii=function(){return(d.dynCall_viiiiii=d.asm.N).apply(null,arguments)};d.dynCall_viiiii=function(){return(d.dynCall_viiiii=d.asm.O).apply(null,arguments)};d.dynCall_viiii=function(){return(d.dynCall_viiii=d.asm.P).apply(null,arguments)};var tb;O=function ub(){tb||vb();tb||(O=ub)};
+function vb(){function a(){if(!tb&&(tb=!0,d.calledRun=!0,!ja)){M(Aa);M(Ba);aa(d);if(d.onRuntimeInitialized)d.onRuntimeInitialized();if(d.postRun)for("function"==typeof d.postRun&&(d.postRun=[d.postRun]);d.postRun.length;){var b=d.postRun.shift();Ca.unshift(b)}M(Ca)}}if(!(0<N)){if(d.preRun)for("function"==typeof d.preRun&&(d.preRun=[d.preRun]);d.preRun.length;)Da();M(za);0<N||(d.setStatus?(d.setStatus("Running..."),setTimeout(function(){setTimeout(function(){d.setStatus("")},1);a()},1)):a())}}
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codecs/jxl/Makefile

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

codecs/jxl/dec/jxl_dec.cpp

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

codecs/jxl/dec/jxl_dec.d.ts

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

codecs/jxl/dec/jxl_dec.js

@@ -0,0 +1,69 @@
+
+var jxl_dec = (function() {
+  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
+  if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
+  return (
+function(jxl_dec) {
+  jxl_dec = jxl_dec || {};
+
+
+var d;d||(d=typeof jxl_dec !== 'undefined' ? jxl_dec : {});var aa,ba;d.ready=new Promise(function(a,b){aa=a;ba=b});var r={},t;for(t in d)d.hasOwnProperty(t)&&(r[t]=d[t]);var ca="./this.program",u=!1,v=!1,da=!1,ea=!1;u="object"===typeof window;v="function"===typeof importScripts;da="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;ea=!u&&!da&&!v;var w="",x,z,fa,ha;
+if(da)w=v?require("path").dirname(w)+"/":__dirname+"/",x=function(a,b){fa||(fa=require("fs"));ha||(ha=require("path"));a=ha.normalize(a);return fa.readFileSync(a,b?null:"utf8")},z=function(a){a=x(a,!0);a.buffer||(a=new Uint8Array(a));a.buffer||A("Assertion failed: undefined");return a},1<process.argv.length&&(ca=process.argv[1].replace(/\\/g,"/")),process.argv.slice(2),process.on("uncaughtException",function(a){throw a;}),process.on("unhandledRejection",A),d.inspect=function(){return"[Emscripten Module object]"};
+else if(ea)"undefined"!=typeof read&&(x=function(a){return read(a)}),z=function(a){if("function"===typeof readbuffer)return new Uint8Array(readbuffer(a));a=read(a,"binary");"object"===typeof a||A("Assertion failed: undefined");return a},"undefined"!==typeof print&&("undefined"===typeof console&&(console={}),console.log=print,console.warn=console.error="undefined"!==typeof printErr?printErr:print);else if(u||v)v?w=self.location.href:document.currentScript&&(w=document.currentScript.src),_scriptDir&&
+(w=_scriptDir),0!==w.indexOf("blob:")?w=w.substr(0,w.lastIndexOf("/")+1):w="",x=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.send(null);return b.responseText},v&&(z=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)});var ia=d.print||console.log.bind(console),B=d.printErr||console.warn.bind(console);for(t in r)r.hasOwnProperty(t)&&(d[t]=r[t]);r=null;d.thisProgram&&(ca=d.thisProgram);var D;
+d.wasmBinary&&(D=d.wasmBinary);var noExitRuntime;d.noExitRuntime&&(noExitRuntime=d.noExitRuntime);"object"!==typeof WebAssembly&&A("no native wasm support detected");var E,ja=new WebAssembly.Table({initial:273,maximum:273,element:"anyfunc"}),ka=!1,la="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
+function ma(a,b,c){var e=b+c;for(c=b;a[c]&&!(c>=e);)++c;if(16<c-b&&a.subarray&&la)return la.decode(a.subarray(b,c));for(e="";b<c;){var f=a[b++];if(f&128){var g=a[b++]&63;if(192==(f&224))e+=String.fromCharCode((f&31)<<6|g);else{var l=a[b++]&63;f=224==(f&240)?(f&15)<<12|g<<6|l:(f&7)<<18|g<<12|l<<6|a[b++]&63;65536>f?e+=String.fromCharCode(f):(f-=65536,e+=String.fromCharCode(55296|f>>10,56320|f&1023))}}else e+=String.fromCharCode(f)}return e}
+function na(a,b,c){var e=F;if(0<c){c=b+c-1;for(var f=0;f<a.length;++f){var g=a.charCodeAt(f);if(55296<=g&&57343>=g){var l=a.charCodeAt(++f);g=65536+((g&1023)<<10)|l&1023}if(127>=g){if(b>=c)break;e[b++]=g}else{if(2047>=g){if(b+1>=c)break;e[b++]=192|g>>6}else{if(65535>=g){if(b+2>=c)break;e[b++]=224|g>>12}else{if(b+3>=c)break;e[b++]=240|g>>18;e[b++]=128|g>>12&63}e[b++]=128|g>>6&63}e[b++]=128|g&63}}e[b]=0}}var oa="undefined"!==typeof TextDecoder?new TextDecoder("utf-16le"):void 0;
+function pa(a,b){var c=a>>1;for(var e=c+b/2;!(c>=e)&&G[c];)++c;c<<=1;if(32<c-a&&oa)return oa.decode(F.subarray(a,c));c=0;for(e="";;){var f=H[a+2*c>>1];if(0==f||c==b/2)return e;++c;e+=String.fromCharCode(f)}}function qa(a,b,c){void 0===c&&(c=2147483647);if(2>c)return 0;c-=2;var e=b;c=c<2*a.length?c/2:a.length;for(var f=0;f<c;++f)H[b>>1]=a.charCodeAt(f),b+=2;H[b>>1]=0;return b-e}function ra(a){return 2*a.length}
+function sa(a,b){for(var c=0,e="";!(c>=b/4);){var f=I[a+4*c>>2];if(0==f)break;++c;65536<=f?(f-=65536,e+=String.fromCharCode(55296|f>>10,56320|f&1023)):e+=String.fromCharCode(f)}return e}function ta(a,b,c){void 0===c&&(c=2147483647);if(4>c)return 0;var e=b;c=e+c-4;for(var f=0;f<a.length;++f){var g=a.charCodeAt(f);if(55296<=g&&57343>=g){var l=a.charCodeAt(++f);g=65536+((g&1023)<<10)|l&1023}I[b>>2]=g;b+=4;if(b+4>c)break}I[b>>2]=0;return b-e}
+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:32768});
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+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({$:function(){Ma()}});
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+function Qa(a,b){a=Pa(a);return(new Function("body","return function "+a+'() {\n    "use strict";    return body.apply(this, arguments);\n};\n'))(b)}function Ra(a){var b=Error,c=Qa(a,function(e){this.name=a;this.message=e;e=Error(e).stack;void 0!==e&&(this.stack=this.toString()+"\n"+e.replace(/^Error(:[^\n]*)?\n/,""))});c.prototype=Object.create(b.prototype);c.prototype.constructor=c;c.prototype.toString=function(){return void 0===this.message?this.name:this.name+": "+this.message};return c}
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+var Ma=d.___wasm_call_ctors=function(){return(Ma=d.___wasm_call_ctors=d.asm.z).apply(null,arguments)},xb=d._malloc=function(){return(xb=d._malloc=d.asm.A).apply(null,arguments)},Z=d._free=function(){return(Z=d._free=d.asm.B).apply(null,arguments)},kb=d.___getTypeName=function(){return(kb=d.___getTypeName=d.asm.C).apply(null,arguments)};d.___embind_register_native_and_builtin_types=function(){return(d.___embind_register_native_and_builtin_types=d.asm.D).apply(null,arguments)};
+d.dynCall_iii=function(){return(d.dynCall_iii=d.asm.E).apply(null,arguments)};d.dynCall_vii=function(){return(d.dynCall_vii=d.asm.F).apply(null,arguments)};d.dynCall_vi=function(){return(d.dynCall_vi=d.asm.G).apply(null,arguments)};d.dynCall_iidiiii=function(){return(d.dynCall_iidiiii=d.asm.H).apply(null,arguments)};d.dynCall_iiiiiii=function(){return(d.dynCall_iiiiiii=d.asm.I).apply(null,arguments)};d.dynCall_viii=function(){return(d.dynCall_viii=d.asm.J).apply(null,arguments)};
+d.dynCall_ii=function(){return(d.dynCall_ii=d.asm.K).apply(null,arguments)};d.dynCall_viiii=function(){return(d.dynCall_viiii=d.asm.L).apply(null,arguments)};d.dynCall_v=function(){return(d.dynCall_v=d.asm.M).apply(null,arguments)};d.dynCall_viiiiiii=function(){return(d.dynCall_viiiiiii=d.asm.N).apply(null,arguments)};d.dynCall_viiiiii=function(){return(d.dynCall_viiiiii=d.asm.O).apply(null,arguments)};d.dynCall_iiii=function(){return(d.dynCall_iiii=d.asm.P).apply(null,arguments)};
+d.dynCall_iiiii=function(){return(d.dynCall_iiiii=d.asm.Q).apply(null,arguments)};d.dynCall_iiji=function(){return(d.dynCall_iiji=d.asm.R).apply(null,arguments)};d.dynCall_iifi=function(){return(d.dynCall_iifi=d.asm.S).apply(null,arguments)};d.dynCall_jiji=function(){return(d.dynCall_jiji=d.asm.T).apply(null,arguments)};d.dynCall_viiiii=function(){return(d.dynCall_viiiii=d.asm.U).apply(null,arguments)};var zb;Q=function Ab(){zb||Bb();zb||(Q=Ab)};
+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;
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+
+
+  return jxl_enc.ready
+}
+);
+})();
+if (typeof exports === 'object' && typeof module === 'object')
+      module.exports = jxl_enc;
+    else if (typeof define === 'function' && define['amd'])
+      define([], function() { return jxl_enc; });
+    else if (typeof exports === 'object')
+      exports["jxl_enc"] = jxl_enc;
+    

codecs/jxl/package.json

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

codecs/mozjpeg_enc/mozjpeg_enc.js

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+var Oa=d.___wasm_call_ctors=function(){return(Oa=d.___wasm_call_ctors=d.asm.B).apply(null,arguments)},Z=d._free=function(){return(Z=d._free=d.asm.C).apply(null,arguments)},yb=d._malloc=function(){return(yb=d._malloc=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_i=function(){return(d.dynCall_i=d.asm.G).apply(null,arguments)};d.dynCall_vi=function(){return(d.dynCall_vi=d.asm.H).apply(null,arguments)};d.dynCall_iii=function(){return(d.dynCall_iii=d.asm.I).apply(null,arguments)};d.dynCall_viii=function(){return(d.dynCall_viii=d.asm.J).apply(null,arguments)};d.dynCall_ii=function(){return(d.dynCall_ii=d.asm.K).apply(null,arguments)};d.dynCall_iiiiii=function(){return(d.dynCall_iiiiii=d.asm.L).apply(null,arguments)};
+d.dynCall_viiiii=function(){return(d.dynCall_viiiii=d.asm.M).apply(null,arguments)};d.dynCall_vii=function(){return(d.dynCall_vii=d.asm.N).apply(null,arguments)};d.dynCall_iiiiiii=function(){return(d.dynCall_iiiiiii=d.asm.O).apply(null,arguments)};d.dynCall_iiiii=function(){return(d.dynCall_iiiii=d.asm.P).apply(null,arguments)};d.dynCall_iiii=function(){return(d.dynCall_iiii=d.asm.Q).apply(null,arguments)};d.dynCall_viiii=function(){return(d.dynCall_viiii=d.asm.R).apply(null,arguments)};
+d.dynCall_viiiiiiii=function(){return(d.dynCall_viiiiiiii=d.asm.S).apply(null,arguments)};d.dynCall_viiiiiii=function(){return(d.dynCall_viiiiiii=d.asm.T).apply(null,arguments)};d.dynCall_jiji=function(){return(d.dynCall_jiji=d.asm.U).apply(null,arguments)};d.dynCall_viiiiii=function(){return(d.dynCall_viiiiii=d.asm.V).apply(null,arguments)};var Ab;function ja(a){this.name="ExitStatus";this.message="Program terminated with exit("+a+")";this.status=a}P=function Bb(){Ab||Cb();Ab||(P=Bb)};
+function Cb(){function a(){if(!Ab&&(Ab=!0,d.calledRun=!0,!ma)){Ca(Ea);Ca(Fa);aa(d);if(d.onRuntimeInitialized)d.onRuntimeInitialized();if(d.postRun)for("function"==typeof d.postRun&&(d.postRun=[d.postRun]);d.postRun.length;){var b=d.postRun.shift();Ga.unshift(b)}Ca(Ga)}}if(!(0<O)){if(d.preRun)for("function"==typeof d.preRun&&(d.preRun=[d.preRun]);d.preRun.length;)Ha();Ca(Da);0<O||(d.setStatus?(d.setStatus("Running..."),setTimeout(function(){setTimeout(function(){d.setStatus("")},1);a()},1)):a())}}
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codecs/oxipng/Cargo.lock

@@ -347,7 +347,7 @@ checksum = "260e51e7efe62b592207e9e13a68e43692a7a279171d6ba57abd208bf23645ad"
 [[package]]
 name = "oxipng"
 version = "3.0.1"
-source = "git+https://github.com/RReverser/oxipng?branch=crossbeam#d0f86d2e84eb55b423b8ad194a176e71ba3aa2c3"
+source = "git+https://github.com/RReverser/oxipng?branch=crossbeam#0df4a32921f7b88d2be4649deb1b6fb7e5707ad8"
 dependencies = [
  "bit-vec",
  "byteorder",
@@ -398,9 +398,9 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cfd016f0c045ad38b5251be2c9c0ab806917f82da4d36b2a327e5166adad9270"
+checksum = "dcf6960dc9a5b4ee8d3e4c5787b4a112a8818e0290a42ff664ad60692fdf2032"
 dependencies = [
  "autocfg",
  "crossbeam-deque",

codecs/oxipng/Cargo.toml

@@ -17,6 +17,7 @@ once_cell = { version = "1.3.1", optional = true }
 crossbeam-channel = { version = "0.4.2", optional = true }
 
 [patch.crates-io]
+# TODO: replace with upstream version once https://github.com/shssoichiro/oxipng/pull/327 is merged.
 oxipng = { git = "https://github.com/RReverser/oxipng", branch = "crossbeam" }
 
 [profile.release]

codecs/oxipng/spawn.ts

@@ -19,10 +19,7 @@ async function startMainThread() {
 
   // First, let browser fetch and spawn Workers for our pool in the background.
   // This is fairly expensive, so we want to start it as early as possible.
-  const workers = Array.from({ length: num }, () => new Promise<Worker>((resolve) => {
-    const w = new Worker('./worker', { type: 'module' });
-    w.addEventListener('message', () => resolve(w), { once: true });
-  }));
+  const workers = Array.from({ length: num }, () => new Worker('./worker', { type: 'module' }));
 
   // Meanwhile, asynchronously compile, instantiate and initialise Wasm on our main thread.
   await initOxiPNG(fetch(wasmUrl), undefined as any);
@@ -41,12 +38,7 @@ async function startMainThread() {
   // If we didn't do this ping-pong game, the `start_main_thread` below would block the current
   // thread on an atomic before even *sending* the `postMessage` containing memory,
   // so Workers would never be able to unblock us back.
-
-  // TODO: remove this line.
-  // It waits for all workers to be created just to repro a possible V8 bug.
-  const resolvedWorkers = await Promise.all(workers);
-
-  await Promise.all(resolvedWorkers.map(worker => initWorker(worker, workerInit)));
+  await Promise.all(workers.map(worker => initWorker(worker, workerInit)));
 
   // Finally, instantiate rayon pool - this will use shared Wasm memory to send tasks to the
   // Workers and then block until they're all ready.
@@ -54,12 +46,7 @@ async function startMainThread() {
 
   return {
     optimise,
-    freeWorkers: () => {
-      for (const worker of resolvedWorkers) {
-        worker.terminate();
-      }
-    },
   };
 }
 
-export default () => startMainThread();
+export default startMainThread();

codecs/oxipng/worker.ts

@@ -4,10 +4,6 @@ import initOxiPNG, { start_worker_thread } from './pkg-parallel';
 
 export type WorkerInit = [WebAssembly.Module, WebAssembly.Memory];
 
-// TODO: remove this line.
-// It allows main thread to wait for a Worker to be created just to repro a possible V8 bug.
-postMessage(null);
-
 addEventListener(
   'message',
   async (event) => {

codecs/webp/dec/example.html

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

codecs/webp/dec/webp_dec.js

@@ -11,47 +11,47 @@ var d;d||(d=typeof webp_dec !== 'undefined' ? webp_dec : {});var aa,ba;d.ready=n
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 (x=_scriptDir),0!==x.indexOf("blob:")?x=x.substr(0,x.lastIndexOf("/")+1):x="",z=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.send(null);return b.responseText},w&&(A=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)});d.print||console.log.bind(console);var C=d.printErr||console.warn.bind(console);for(u in t)t.hasOwnProperty(u)&&(d[u]=t[u]);t=null;var D;d.wasmBinary&&(D=d.wasmBinary);var noExitRuntime;
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+d.noExitRuntime&&(noExitRuntime=d.noExitRuntime);"object"!==typeof WebAssembly&&B("no native wasm support detected");var E,ha=new WebAssembly.Table({initial:123,maximum:123,element:"anyfunc"}),ia=!1,ja="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
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+function sb(){function a(){if(!qb&&(qb=!0,d.calledRun=!0,!ia)){M(ya);M(za);aa(d);if(d.onRuntimeInitialized)d.onRuntimeInitialized();if(d.postRun)for("function"==typeof d.postRun&&(d.postRun=[d.postRun]);d.postRun.length;){var b=d.postRun.shift();Aa.unshift(b)}M(Aa)}}if(!(0<N)){if(d.preRun)for("function"==typeof d.preRun&&(d.preRun=[d.preRun]);d.preRun.length;)Ba();M(xa);0<N||(d.setStatus?(d.setStatus("Running..."),setTimeout(function(){setTimeout(function(){d.setStatus("")},1);a()},1)):a())}}
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   return webp_dec.ready

codecs/webp/enc/example.html

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

codecs/webp/enc/webp_enc.js

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+m+" called with ' + arguments.length + ' arguments, expected "+(n-2)+" args!');\n}\n";v&&(m+="var destructors = [];\n");var W=v?"destructors":"null";z="throwBindingError invoker fn runDestructors retType classParam".split(" ");q=[V,q,g,La,h[0],h[1]];t&&(m+="var thisWired = classParam.toWireType("+W+", this);\n");for(p=0;p<n-2;++p)m+="var arg"+p+"Wired = argType"+p+".toWireType("+W+", arg"+p+"); // "+h[p+2].name+"\n",z.push("argType"+p),q.push(h[p+2]);t&&(F="thisWired"+(0<F.length?", ":"")+F);m+=(ia?
+"var rv = ":"")+"invoker(fn"+(0<F.length?", ":"")+F+");\n";if(v)m+="runDestructors(destructors);\n";else for(p=t?1:2;p<h.length;++p)n=1===p?"thisWired":"arg"+(p-2)+"Wired",null!==h[p].N&&(m+=n+"_dtor("+n+"); // "+h[p].name+"\n",z.push(n+"_dtor"),q.push(h[p].N));ia&&(m+="var ret = retType.fromWireType(rv);\nreturn ret;\n");z.push(m+"}\n");h=gb(z).apply(null,q);p=b-1;if(!d.hasOwnProperty(k))throw new Ra("Replacing nonexistant public symbol");void 0!==d[k].O&&void 0!==p?d[k].O[p]=h:(d[k]=h,d[k].T=p);
+return[]})},c:function(a,b,c,e,f){function g(m){return m}b=U(b);-1===f&&(f=4294967295);var l=Ta(c);if(0===e){var k=32-8*c;g=function(m){return m<<k>>>k}}var h=-1!=b.indexOf("unsigned");T(a,{name:b,fromWireType:g,toWireType:function(m,q){if("number"!==typeof q&&"boolean"!==typeof q)throw new TypeError('Cannot convert "'+eb(q)+'" to '+this.name);if(q<e||q>f)throw new TypeError('Passing a number "'+eb(q)+'" from JS side to C/C++ side to an argument of type "'+b+'", which is outside the valid range ['+
+e+", "+f+"]!");return h?q>>>0:q|0},argPackAdvance:8,readValueFromPointer:kb(b,l,0!==e),N:null})},b:function(a,b,c){function e(g){g>>=2;var l=N;return new f(L,l[g+1],l[g])}var f=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array][b];c=U(c);T(a,{name:c,fromWireType:e,argPackAdvance:8,readValueFromPointer:e},{Z:!0})},k:function(a,b){b=U(b);var c="std::string"===b;T(a,{name:b,fromWireType:function(e){var f=N[e>>2];if(c)for(var g=e+4,l=0;l<=f;++l){var k=e+4+l;
+if(l==f||0==H[k]){if(g){var h=g;var m=H,q=h+(k-g);for(g=h;m[g]&&!(g>=q);)++g;if(16<g-h&&m.subarray&&ka)h=ka.decode(m.subarray(h,g));else{for(q="";h<g;){var n=m[h++];if(n&128){var t=m[h++]&63;if(192==(n&224))q+=String.fromCharCode((n&31)<<6|t);else{var v=m[h++]&63;n=224==(n&240)?(n&15)<<12|t<<6|v:(n&7)<<18|t<<12|v<<6|m[h++]&63;65536>n?q+=String.fromCharCode(n):(n-=65536,q+=String.fromCharCode(55296|n>>10,56320|n&1023))}}else q+=String.fromCharCode(n)}h=q}}else h="";if(void 0===p)var p=h;else p+=String.fromCharCode(0),
+p+=h;g=k+1}}else{p=Array(f);for(l=0;l<f;++l)p[l]=String.fromCharCode(H[e+4+l]);p=p.join("")}Y(e);return p},toWireType:function(e,f){f instanceof ArrayBuffer&&(f=new Uint8Array(f));var g="string"===typeof f;g||f instanceof Uint8Array||f instanceof Uint8ClampedArray||f instanceof Int8Array||V("Cannot pass non-string to std::string");var l=(c&&g?function(){for(var m=0,q=0;q<f.length;++q){var n=f.charCodeAt(q);55296<=n&&57343>=n&&(n=65536+((n&1023)<<10)|f.charCodeAt(++q)&1023);127>=n?++m:m=2047>=n?m+
+2:65535>=n?m+3:m+4}return m}:function(){return f.length})(),k=qb(4+l+1);N[k>>2]=l;if(c&&g)la(f,k+4,l+1);else if(g)for(g=0;g<l;++g){var h=f.charCodeAt(g);255<h&&(Y(k),V("String has UTF-16 code units that do not fit in 8 bits"));H[k+4+g]=h}else for(g=0;g<l;++g)H[k+4+g]=f[g];null!==e&&e.push(Y,k);return k},argPackAdvance:8,readValueFromPointer:Ma,N:function(e){Y(e)}})},g:function(a,b,c){c=U(c);if(2===b){var e=na;var f=oa;var g=pa;var l=function(){return I};var k=1}else 4===b&&(e=qa,f=ra,g=sa,l=function(){return N},
+k=2);T(a,{name:c,fromWireType:function(h){for(var m=N[h>>2],q=l(),n,t=h+4,v=0;v<=m;++v){var p=h+4+v*b;if(v==m||0==q[p>>k])t=e(t,p-t),void 0===n?n=t:(n+=String.fromCharCode(0),n+=t),t=p+b}Y(h);return n},toWireType:function(h,m){"string"!==typeof m&&V("Cannot pass non-string to C++ string type "+c);var q=g(m),n=qb(4+q+b);N[n>>2]=q>>k;f(m,n+4,q+b);null!==h&&h.push(Y,n);return n},argPackAdvance:8,readValueFromPointer:Ma,N:function(h){Y(h)}})},m:function(a,b,c,e,f,g){Ka[a]={name:U(b),$:Z(c,e),aa:Z(f,g),
+S:[]}},a:function(a,b,c,e,f,g,l,k,h,m){Ka[a].S.push({U:U(b),Y:c,W:Z(e,f),X:g,da:l,ba:Z(k,h),ea:m})},s:function(a,b){b=U(b);T(a,{fa:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},f:Xa,u:function(a){if(0===a)return Ya(mb());var b=lb[a];a=void 0===b?U(a):b;return Ya(mb()[a])},t:function(a){4<a&&(X[a].R+=1)},o:function(a,b,c,e){a||V("Cannot use deleted val. handle = "+a);a=X[a].value;var f=nb[b];if(!f){f="";for(var g=0;g<b;++g)f+=(0!==g?", ":"")+"arg"+g;var l="return function emval_allocator_"+
+b+"(constructor, argTypes, args) {\n";for(g=0;g<b;++g)l+="var argType"+g+" = requireRegisteredType(Module['HEAP32'][(argTypes >>> 2) + "+g+'], "parameter '+g+'");\nvar arg'+g+" = argType"+g+".readValueFromPointer(args);\nargs += argType"+g+"['argPackAdvance'];\n";f=(new Function("requireRegisteredType","Module","__emval_register",l+("var obj = new constructor("+f+");\nreturn __emval_register(obj);\n}\n")))(db,d,Ya);nb[b]=f}return f(a,c,e)},i:function(){C()},p:function(a,b,c){H.copyWithin(a,b,b+c)},
+d:function(a){a>>>=0;var b=H.length;if(2147483648<a)return!1;for(var c=1;4>=c;c*=2){var e=b*(1+.2/c);e=Math.min(e,a+100663296);e=Math.max(16777216,a,e);0<e%65536&&(e+=65536-e%65536);a:{try{G.grow(Math.min(2147483648,e)-L.byteLength+65535>>>16);va(G.buffer);var f=1;break a}catch(g){}f=void 0}if(f)return!0}return!1},memory:G,table:ha};
+(function(){function a(f){d.asm=f.exports;O--;d.monitorRunDependencies&&d.monitorRunDependencies(O);0==O&&(null!==Da&&(clearInterval(Da),Da=null),P&&(f=P,P=null,f()))}function b(f){a(f.instance)}function c(f){return Ia().then(function(g){return WebAssembly.instantiate(g,e)}).then(f,function(g){D("failed to asynchronously prepare wasm: "+g);C(g)})}var e={a:rb};O++;d.monitorRunDependencies&&d.monitorRunDependencies(O);if(d.instantiateWasm)try{return d.instantiateWasm(e,a)}catch(f){return D("Module.instantiateWasm callback failed with error: "+
 f),!1}(function(){if(E||"function"!==typeof WebAssembly.instantiateStreaming||Fa()||Ea("file://")||"function"!==typeof fetch)return c(b);fetch(Q,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,e).then(b,function(g){D("wasm streaming compile failed: "+g);D("falling back to ArrayBuffer instantiation");return c(b)})})})();return{}})();
-var Ja=d.___wasm_call_ctors=function(){return(Ja=d.___wasm_call_ctors=d.asm.y).apply(null,arguments)},rb=d._malloc=function(){return(rb=d._malloc=d.asm.z).apply(null,arguments)},Y=d._free=function(){return(Y=d._free=d.asm.A).apply(null,arguments)},db=d.___getTypeName=function(){return(db=d.___getTypeName=d.asm.B).apply(null,arguments)};d.___embind_register_native_and_builtin_types=function(){return(d.___embind_register_native_and_builtin_types=d.asm.C).apply(null,arguments)};
-d.dynCall_i=function(){return(d.dynCall_i=d.asm.D).apply(null,arguments)};d.dynCall_vi=function(){return(d.dynCall_vi=d.asm.E).apply(null,arguments)};d.dynCall_iii=function(){return(d.dynCall_iii=d.asm.F).apply(null,arguments)};d.dynCall_viii=function(){return(d.dynCall_viii=d.asm.G).apply(null,arguments)};d.dynCall_fii=function(){return(d.dynCall_fii=d.asm.H).apply(null,arguments)};d.dynCall_viif=function(){return(d.dynCall_viif=d.asm.I).apply(null,arguments)};
-d.dynCall_ii=function(){return(d.dynCall_ii=d.asm.J).apply(null,arguments)};d.dynCall_iiiiii=function(){return(d.dynCall_iiiiii=d.asm.K).apply(null,arguments)};d.dynCall_viiiii=function(){return(d.dynCall_viiiii=d.asm.L).apply(null,arguments)};d.dynCall_iiii=function(){return(d.dynCall_iiii=d.asm.M).apply(null,arguments)};d.dynCall_viiiiiiiii=function(){return(d.dynCall_viiiiiiiii=d.asm.N).apply(null,arguments)};d.dynCall_viiii=function(){return(d.dynCall_viiii=d.asm.O).apply(null,arguments)};
-d.dynCall_viiiiii=function(){return(d.dynCall_viiiiii=d.asm.P).apply(null,arguments)};var tb;P=function ub(){tb||vb();tb||(P=ub)};
-function vb(){function a(){if(!tb&&(tb=!0,d.calledRun=!0,!ia)){xa(za);xa(Aa);aa(d);if(d.onRuntimeInitialized)d.onRuntimeInitialized();if(d.postRun)for("function"==typeof d.postRun&&(d.postRun=[d.postRun]);d.postRun.length;){var b=d.postRun.shift();Ba.unshift(b)}xa(Ba)}}if(!(0<O)){if(d.preRun)for("function"==typeof d.preRun&&(d.preRun=[d.preRun]);d.preRun.length;)Ca();xa(ya);0<O||(d.setStatus?(d.setStatus("Running..."),setTimeout(function(){setTimeout(function(){d.setStatus("")},1);a()},1)):a())}}
-d.run=vb;if(d.preInit)for("function"==typeof d.preInit&&(d.preInit=[d.preInit]);0<d.preInit.length;)d.preInit.pop()();noExitRuntime=!0;vb();
+var Ja=d.___wasm_call_ctors=function(){return(Ja=d.___wasm_call_ctors=d.asm.w).apply(null,arguments)},qb=d._malloc=function(){return(qb=d._malloc=d.asm.x).apply(null,arguments)},Y=d._free=function(){return(Y=d._free=d.asm.y).apply(null,arguments)},cb=d.___getTypeName=function(){return(cb=d.___getTypeName=d.asm.z).apply(null,arguments)};d.___embind_register_native_and_builtin_types=function(){return(d.___embind_register_native_and_builtin_types=d.asm.A).apply(null,arguments)};
+d.dynCall_i=function(){return(d.dynCall_i=d.asm.B).apply(null,arguments)};d.dynCall_vi=function(){return(d.dynCall_vi=d.asm.C).apply(null,arguments)};d.dynCall_iii=function(){return(d.dynCall_iii=d.asm.D).apply(null,arguments)};d.dynCall_viii=function(){return(d.dynCall_viii=d.asm.E).apply(null,arguments)};d.dynCall_fii=function(){return(d.dynCall_fii=d.asm.F).apply(null,arguments)};d.dynCall_viif=function(){return(d.dynCall_viif=d.asm.G).apply(null,arguments)};
+d.dynCall_ii=function(){return(d.dynCall_ii=d.asm.H).apply(null,arguments)};d.dynCall_iiiiii=function(){return(d.dynCall_iiiiii=d.asm.I).apply(null,arguments)};d.dynCall_viiiii=function(){return(d.dynCall_viiiii=d.asm.J).apply(null,arguments)};d.dynCall_iiii=function(){return(d.dynCall_iiii=d.asm.K).apply(null,arguments)};d.dynCall_viiii=function(){return(d.dynCall_viiii=d.asm.L).apply(null,arguments)};d.dynCall_viiiiii=function(){return(d.dynCall_viiiiii=d.asm.M).apply(null,arguments)};var sb;
+P=function tb(){sb||ub();sb||(P=tb)};
+function ub(){function a(){if(!sb&&(sb=!0,d.calledRun=!0,!ja)){xa(za);xa(Aa);aa(d);if(d.onRuntimeInitialized)d.onRuntimeInitialized();if(d.postRun)for("function"==typeof d.postRun&&(d.postRun=[d.postRun]);d.postRun.length;){var b=d.postRun.shift();Ba.unshift(b)}xa(Ba)}}if(!(0<O)){if(d.preRun)for("function"==typeof d.preRun&&(d.preRun=[d.preRun]);d.preRun.length;)Ca();xa(ya);0<O||(d.setStatus?(d.setStatus("Running..."),setTimeout(function(){setTimeout(function(){d.setStatus("")},1);a()},1)):a())}}
+d.run=ub;if(d.preInit)for("function"==typeof d.preInit&&(d.preInit=[d.preInit]);0<d.preInit.length;)d.preInit.pop()();noExitRuntime=!0;ub();
 
 
   return webp_enc.ready

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;
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+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;
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+Uint32Array,Float32Array,Float64Array][b];d=U(d);T(a,{name:d,fromWireType:e,argPackAdvance:8,readValueFromPointer:e},{ta:!0})},l:function(a,b){b=U(b);var d="std::string"===b;T(a,{name:b,fromWireType:function(e){var f=N[e>>2];if(d)for(var g=e+4,l=0;l<=f;++l){var k=e+4+l;if(l==f||0==I[k]){g=g?H(I,g,k-g):"";if(void 0===h)var h=g;else h+=String.fromCharCode(0),h+=g;g=k+1}}else{h=Array(f);for(l=0;l<f;++l)h[l]=String.fromCharCode(I[e+4+l]);h=h.join("")}Z(e);return h},toWireType:function(e,f){f instanceof
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+name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},k:bb,G:function(a){if(0===a)return cb(pb());var b=ob[a];a=void 0===b?U(a):b;return cb(pb()[a])},n:function(a){4<a&&(X[a].ka+=1)},u:function(a,b,d,e){a||V("Cannot use deleted val. handle = "+a);a=X[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,c,cb);rb[b]=f}return f(a,d,e)},h:function(){C()},v:function(a,b,d){I.copyWithin(a,b,b+d)},d:function(a){a>>>=0;var b=I.length;if(2147483648<a)return!1;for(var d=1;4>=d;d*=2){var e=b*(1+.2/d);e=Math.min(e,a+100663296);e=Math.max(16777216,
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+C:function(){},g:function(a){a=+a;return 0<=a?+Ga(a+.5):+Fa(a-.5)},c:function(a){a=+a;return 0<=a?+Ga(a+.5):+Fa(a-.5)},t:function(){},table:ia};
+(function(){function a(f){c.asm=f.exports;O--;c.monitorRunDependencies&&c.monitorRunDependencies(O);0==O&&(null!==Ha&&(clearInterval(Ha),Ha=null),P&&(f=P,P=null,f()))}function b(f){a(f.instance)}function d(f){return Ma().then(function(g){return WebAssembly.instantiate(g,e)}).then(f,function(g){D("failed to asynchronously prepare wasm: "+g);C(g)})}var e={a:wb};O++;c.monitorRunDependencies&&c.monitorRunDependencies(O);if(c.instantiateWasm)try{return c.instantiateWasm(e,a)}catch(f){return D("Module.instantiateWasm callback failed with error: "+
+f),!1}(function(){if(E||"function"!==typeof WebAssembly.instantiateStreaming||Ja()||Ia("file://")||"function"!==typeof fetch)return d(b);fetch(Q,{credentials:"same-origin"}).then(function(f){return WebAssembly.instantiateStreaming(f,e).then(b,function(g){D("wasm streaming compile failed: "+g);D("falling back to ArrayBuffer instantiation");return d(b)})})})();return{}})();
+var Na=c.___wasm_call_ctors=function(){return(Na=c.___wasm_call_ctors=c.asm.I).apply(null,arguments)},vb=c._malloc=function(){return(vb=c._malloc=c.asm.J).apply(null,arguments)},Z=c._free=function(){return(Z=c._free=c.asm.K).apply(null,arguments)},lb=c.___getTypeName=function(){return(lb=c.___getTypeName=c.asm.L).apply(null,arguments)};c.___embind_register_native_and_builtin_types=function(){return(c.___embind_register_native_and_builtin_types=c.asm.M).apply(null,arguments)};
+c.dynCall_i=function(){return(c.dynCall_i=c.asm.N).apply(null,arguments)};c.dynCall_vi=function(){return(c.dynCall_vi=c.asm.O).apply(null,arguments)};c.dynCall_fii=function(){return(c.dynCall_fii=c.asm.P).apply(null,arguments)};c.dynCall_viif=function(){return(c.dynCall_viif=c.asm.Q).apply(null,arguments)};c.dynCall_iii=function(){return(c.dynCall_iii=c.asm.R).apply(null,arguments)};c.dynCall_viii=function(){return(c.dynCall_viii=c.asm.S).apply(null,arguments)};
+c.dynCall_iiiiii=function(){return(c.dynCall_iiiiii=c.asm.T).apply(null,arguments)};c.dynCall_viiiii=function(){return(c.dynCall_viiiii=c.asm.U).apply(null,arguments)};c.dynCall_vii=function(){return(c.dynCall_vii=c.asm.V).apply(null,arguments)};c.dynCall_viiiiiii=function(){return(c.dynCall_viiiiiii=c.asm.W).apply(null,arguments)};c.dynCall_viiiiiiiii=function(){return(c.dynCall_viiiiiiiii=c.asm.X).apply(null,arguments)};c.dynCall_ii=function(){return(c.dynCall_ii=c.asm.Y).apply(null,arguments)};
+c.dynCall_viiiiiiii=function(){return(c.dynCall_viiiiiiii=c.asm.Z).apply(null,arguments)};c.dynCall_viiii=function(){return(c.dynCall_viiii=c.asm._).apply(null,arguments)};c.dynCall_viiiiii=function(){return(c.dynCall_viiiiii=c.asm.$).apply(null,arguments)};c.dynCall_iidiiii=function(){return(c.dynCall_iidiiii=c.asm.aa).apply(null,arguments)};c.dynCall_iiiii=function(){return(c.dynCall_iiiii=c.asm.ba).apply(null,arguments)};c.dynCall_v=function(){return(c.dynCall_v=c.asm.ca).apply(null,arguments)};
+c.dynCall_fi=function(){return(c.dynCall_fi=c.asm.da).apply(null,arguments)};c.dynCall_iiii=function(){return(c.dynCall_iiii=c.asm.ea).apply(null,arguments)};c.dynCall_iiiiiiiiii=function(){return(c.dynCall_iiiiiiiiii=c.asm.fa).apply(null,arguments)};c.dynCall_jiji=function(){return(c.dynCall_jiji=c.asm.ga).apply(null,arguments)};var xb;P=function yb(){xb||zb();xb||(P=yb)};
+function zb(){function a(){if(!xb&&(xb=!0,c.calledRun=!0,!ka)){za(Ba);za(Ca);aa(c);if(c.onRuntimeInitialized)c.onRuntimeInitialized();if(c.postRun)for("function"==typeof c.postRun&&(c.postRun=[c.postRun]);c.postRun.length;){var b=c.postRun.shift();Da.unshift(b)}za(Da)}}if(!(0<O)){if(c.preRun)for("function"==typeof c.preRun&&(c.preRun=[c.preRun]);c.preRun.length;)Ea();za(Aa);0<O||(c.setStatus?(c.setStatus("Running..."),setTimeout(function(){setTimeout(function(){c.setStatus("")},1);a()},1)):a())}}
+c.run=zb;if(c.preInit)for("function"==typeof c.preInit&&(c.preInit=[c.preInit]);0<c.preInit.length;)c.preInit.pop()();noExitRuntime=!0;zb();
+
+
+  return wp2_enc.ready
+}
+);
+})();
+if (typeof exports === 'object' && typeof module === 'object')
+      module.exports = wp2_enc;
+    else if (typeof define === 'function' && define['amd'])
+      define([], function() { return wp2_enc; });
+    else if (typeof exports === 'object')
+      exports["wp2_enc"] = wp2_enc;
+    

codecs/wp2/package.json

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

package-lock.json

@@ -15344,9 +15344,10 @@
       }
     },
     "wasm-feature-detect": {
-      "version": "1.2.6",
-      "resolved": "https://registry.npmjs.org/wasm-feature-detect/-/wasm-feature-detect-1.2.6.tgz",
-      "integrity": "sha512-r255tPhr5k7vet9zKQch0alB7ZduiXoQGC3Cn58CLgbSyp/KIb7fFpcg4pMulQDxIjeFqCxLdln4ubCGGBPicg=="
+      "version": "1.2.9",
+      "resolved": "https://registry.npmjs.org/wasm-feature-detect/-/wasm-feature-detect-1.2.9.tgz",
+      "integrity": "sha512-2E9/gtLVLpv2wnZDyYv8WY2dR9gHbmyv5uhZsnOcMSzqc78aGZpKQORPNcnrPwAU23nFUo7GAwKuoTAWRgsJ7Q==",
+      "dev": true
     },
     "watchpack": {
       "version": "1.6.0",

package.json

@@ -68,13 +68,11 @@
     "typed-css-modules": "0.4.2",
     "typescript": "3.5.3",
     "url-loader": "2.1.0",
+    "wasm-feature-detect": "^1.2.9",
     "webpack": "4.39.3",
     "webpack-bundle-analyzer": "3.4.1",
     "webpack-cli": "3.3.4",
     "webpack-dev-server": "3.8.0",
     "worker-plugin": "3.1.0"
-  },
-  "dependencies": {
-    "wasm-feature-detect": "^1.2.6"
   }
 }

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/oxipng/encoder.ts

@@ -1,12 +1,6 @@
-// @ts-ignore
-import init from '../../../codecs/oxipng/spawn';
+import optimiser from '../../../codecs/oxipng';
 import { EncodeOptions } from './encoder-meta';
 
 export async function compress(data: ArrayBuffer, options: EncodeOptions): Promise<ArrayBuffer> {
-  for (let i = 0; i < 100; i += 1) {
-    const optimiser = await init();
-    console.log(`Run #${i}: ${optimiser.optimise(new Uint8Array(data), options.level).buffer.byteLength} bytes`);
-    optimiser.freeWorkers();
-  }
-  return (await init()).optimise(new Uint8Array(data), options.level).buffer;
+  return (await optimiser).optimise(new Uint8Array(data), options.level).buffer;
 }

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';
@@ -62,12 +64,10 @@ export default class Processor {
 
         if (!this._worker && needsWorker) {
           // worker-loader does magic here.
-          // @ts-ignore - Typescript doesn't know about the 2nd param to new Worker, and the
-          // definition can't be overwritten.
           this._worker = new Worker(
             './processor-worker',
             { name: 'processor-worker', type: 'module' },
-          ) as Worker;
+          );
           // Need to do some TypeScript trickery to make the type match.
           this._workerApi = proxy(this._worker) as any as ProcessorWorkerApi;
         }
@@ -158,12 +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);
@@ -175,6 +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/util.ts

@@ -9,8 +9,8 @@ export function initEmscriptenModule<T extends EmscriptenWasm.Module>(
   mainUrl?: string,
 ): Promise<T> {
   return moduleFactory({
-    // Just to be safe, don't automatically invoke any wasm functions
     mainScriptUrlOrBlob: mainUrl,
+    // Just to be safe, don't automatically invoke any wasm functions
     noInitialRun: true,
     locateFile(url: string): string {
       // Redirect the request for the wasm binary to whatever webpack gave us.

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);
@@ -232,7 +236,7 @@ export default class Compress extends Component<Props, State> {
       {
         latestSettings: {
           preprocessorState: defaultPreprocessorState,
-          encoderState: { type: oxiPNG.type, options: oxiPNG.defaultOptions },
+          encoderState: { type: mozJPEG.type, options: mozJPEG.defaultOptions },
         },
         loadingCounter: 0,
         loadedCounter: 0,

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> {

src/missing-types.d.ts

@@ -43,10 +43,6 @@ declare module '*.worker.js' {
   export default value;
 }
 
-declare module 'wasm-feature-detect' {
-  export const threads: () => Promise<boolean>;
-}
-
 declare var VERSION: string;
 
 declare var ga: {