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Simplify memory management for other C++ codecs

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This commit is contained in:
Ingvar Stepanyan
2020-05-14 18:08:42 +01:00
committed by Ingvar Stepanyan
parent 97931bad22
commit 93cbe557cd
25 changed files with 171 additions and 257 deletions
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4
codecs/imagequant/README.md
View File

@@ -24,7 +24,3 @@ Quantizes the given images, using at most `numColors`, a value between 2 and 256
### `RawImage zx_quantize(std::string buffer, int image_width, int image_height, float dithering)`
???
### `void free_result()`
Frees the result created by `quantize()`.

1
codecs/imagequant/example.html
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@@ -28,7 +28,6 @@
// const rawImage = Module.quantize(image.data, image.width, image.height, 256, 1.0);
const rawImage = Module.zx_quantize(image.data, image.width, image.height, 1.0);
console.log('done');
Module.free_result();
const imageData = new ImageData(new Uint8ClampedArray(rawImage.buffer), rawImage.width, rawImage.height);
const canvas = document.createElement('canvas');

3
codecs/imagequant/imagequant.d.ts vendored
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@@ -1,9 +1,6 @@
interface QuantizerModule extends EmscriptenWasm.Module {
quantize(data: BufferSource, width: number, height: number, numColors: number, dither: number): Uint8ClampedArray;
zx_quantize(data: BufferSource, width: number, height: number, dither: number): Uint8ClampedArray;
free_result(ptr: number): void;
}
export default function(opts: EmscriptenWasm.ModuleOpts): QuantizerModule;

4
codecs/mozjpeg_enc/README.md
View File

@@ -17,10 +17,6 @@ See `example.html`
Returns the version of MozJPEG as a number. va.b.c is encoded as 0x0a0b0c
### `void free_result()`
Frees the result created by `encode()`.
### `Uint8Array encode(std::string image_in, int image_width, int image_height, MozJpegOptions opts)`
Encodes the given image with given dimension to JPEG. Options looks like this:

45
codecs/mozjpeg_enc/example.html
View File

@@ -20,29 +20,28 @@
module.onRuntimeInitialized = async _ => {
console.log('Version:', module.version().toString(16));
const image = await loadImage('../example.png');
const result = module.encode(image.data, image.width, image.height, {
quality: 75,
baseline: false,
arithmetic: false,
progressive: true,
optimize_coding: true,
smoothing: 0,
color_space: 3,
quant_table: 3,
trellis_multipass: false,
trellis_opt_zero: false,
trellis_opt_table: false,
trellis_loops: 1,
auto_subsample: true,
chroma_subsample: 2,
separate_chroma_quality: false,
chroma_quality: 75,
});
let results = [];
for (let i = 0; i < 2; i++) {
results.push(module.encode(image.data, image.width, image.height, {
quality: 75,
baseline: false,
arithmetic: false,
progressive: true,
optimize_coding: true,
smoothing: 0,
color_space: 3,
quant_table: 3,
trellis_multipass: false,
trellis_opt_zero: false,
trellis_opt_table: false,
trellis_loops: 1,
auto_subsample: true,
chroma_subsample: 2,
separate_chroma_quality: false,
chroma_quality: 75,
}));
}
const blob = new Blob([result], {type: 'image/jpeg'});
const blobURL = URL.createObjectURL(blob);
const img = document.createElement('img');
img.src = blobURL;
document.body.appendChild(img);
console.log(results);
};
</script>

38
codecs/mozjpeg_enc/mozjpeg_enc.cpp
View File

@@ -55,8 +55,7 @@ int version() {
return version;
}
uint8_t* last_result;
struct jpeg_compress_struct cinfo;
const val Uint8Array = val::global("Uint8Array");
val encode(std::string image_in, int image_width, int image_height, MozJpegOptions opts) {
uint8_t* image_buffer = (uint8_t*)image_in.c_str();
@@ -65,12 +64,15 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
// https://github.com/mozilla/mozjpeg/blob/master/example.c
// I just write to memory instead of a file.
/* Step 1: allocate and initialize JPEG compression object */
/* This struct contains the JPEG compression parameters and pointers to
* working space (which is allocated as needed by the JPEG library).
* It is possible to have several such structures, representing multiple
* compression/decompression processes, in existence at once. We refer
* to any one struct (and its associated working data) as a "JPEG object".
*/
jpeg_compress_struct cinfo;
/* This struct represents a JPEG error handler. It is declared separately
* because applications often want to supply a specialized error handler
* (see the second half of this file for an example). But here we just
@@ -79,15 +81,7 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
* Note that this struct must live as long as the main JPEG parameter
* struct, to avoid dangling-pointer problems.
*/
struct jpeg_error_mgr jerr;
/* More stuff */
JSAMPROW row_pointer[1]; /* pointer to JSAMPLE row[s] */
int row_stride; /* physical row width in image buffer */
uint8_t* output;
unsigned long size;
/* Step 1: allocate and initialize JPEG compression object */
jpeg_error_mgr jerr;
/* We have to set up the error handler first, in case the initialization
* step fails. (Unlikely, but it could happen if you are out of memory.)
* This routine fills in the contents of struct jerr, and returns jerr's
@@ -109,6 +103,8 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
// fprintf(stderr, "can't open %s\n", filename);
// exit(1);
// }
uint8_t* output;
unsigned long size;
jpeg_mem_dest(&cinfo, &output, &size);
/* Step 3: set parameters for compression */
@@ -184,31 +180,32 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
* To keep things simple, we pass one scanline per call; you can pass
* more if you wish, though.
*/
row_stride = image_width * 4; /* JSAMPLEs per row in image_buffer */
int row_stride = image_width * 4; /* JSAMPLEs per row in image_buffer */
while (cinfo.next_scanline < cinfo.image_height) {
/* jpeg_write_scanlines expects an array of pointers to scanlines.
* Here the array is only one element long, but you could pass
* more than one scanline at a time if that's more convenient.
*/
row_pointer[0] = &image_buffer[cinfo.next_scanline * row_stride];
(void)jpeg_write_scanlines(&cinfo, row_pointer, 1);
JSAMPROW row_pointer =
&image_buffer[cinfo.next_scanline * row_stride]; /* pointer to JSAMPLE row[s] */
(void)jpeg_write_scanlines(&cinfo, &row_pointer, 1);
}
/* Step 6: Finish compression */
jpeg_finish_compress(&cinfo);
/* Step 7: release JPEG compression object */
last_result = output;
auto js_result = Uint8Array.new_(typed_memory_view(size, output));
/* And we're done! */
return val(typed_memory_view(size, output));
}
void free_result() {
/* This is an important step since it will release a good deal of memory. */
jpeg_destroy_compress(&cinfo);
/* And we're done! */
return js_result;
}
EMSCRIPTEN_BINDINGS(my_module) {
@@ -232,5 +229,4 @@ EMSCRIPTEN_BINDINGS(my_module) {
function("version", &version);
function("encode", &encode);
function("free_result", &free_result);
}

1
codecs/mozjpeg_enc/mozjpeg_enc.d.ts vendored
View File

@@ -2,7 +2,6 @@ import { EncodeOptions } from '../../src/codecs/mozjpeg/encoder-meta';
interface MozJPEGModule extends EmscriptenWasm.Module {
encode(data: BufferSource, width: number, height: number, options: EncodeOptions): Uint8Array;
free_result(): void;
}
export default function(opts: EmscriptenWasm.ModuleOpts): MozJPEGModule;

85
codecs/mozjpeg_enc/mozjpeg_enc.js
View File

@@ -6,55 +6,56 @@ var mozjpeg_enc = (function() {
function(mozjpeg_enc) {
mozjpeg_enc = mozjpeg_enc || {};
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var d;d||(d=typeof mozjpeg_enc !== 'undefined' ? mozjpeg_enc : {});var r={},t;for(t in d)d.hasOwnProperty(t)&&(r[t]=d[t]);var aa="./this.program";function u(a,b){throw b;}var ba=!1,v=!1,ca=!1,da=!1;ba="object"===typeof window;v="function"===typeof importScripts;ca="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;da=!ba&&!ca&&!v;var w="",ea,x,fa,ha;
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return mozjpeg_enc

BIN
codecs/mozjpeg_enc/mozjpeg_enc.wasm
View File

Binary file not shown.

4
codecs/webp/dec/README.md
View File

@@ -16,7 +16,3 @@ Returns the version of libwebp as a number. va.b.c is encoded as 0x0a0b0c
### `RawImage decode(std::string buffer)`
Decodes the given webp buffer into raw RGBA. `RawImage` is a class with 3 fields: `buffer`, `width`, and `height`.
### `void free_result()`
Frees the result created by `decode()`.

4
codecs/webp/dec/example.html
View File

@@ -11,9 +11,7 @@
Module.onRuntimeInitialized = async _ => {
console.log('Version:', Module.version().toString(16));
const image = await loadFile('../../example.webp');
const result = Module.decode(image);
const imageData = new ImageData(new Uint8ClampedArray(result.buffer), result.width, result.height);
Module.free_result();
const imageData = Module.decode(image);
const canvas = document.createElement('canvas');
canvas.width = result.width;
canvas.height = result.height;

28
codecs/webp/dec/webp_dec.cpp
View File

@@ -10,33 +10,17 @@ int version() {
return WebPGetDecoderVersion();
}
class RawImage {
public:
val buffer;
int width;
int height;
const val Uint8ClampedArray = val::global("Uint8ClampedArray");
const val ImageData = val::global("ImageData");
RawImage(val b, int w, int h) : buffer(b), width(w), height(h) {}
};
uint8_t* last_result;
RawImage decode(std::string buffer) {
val decode(std::string buffer) {
int width, height;
last_result = WebPDecodeRGBA((const uint8_t*)buffer.c_str(), buffer.size(), &width, &height);
return RawImage(val(typed_memory_view(width * height * 4, last_result)), width, height);
}
void free_result() {
free(last_result);
std::unique_ptr<uint8_t[]> rgba(
WebPDecodeRGBA((const uint8_t*)buffer.c_str(), buffer.size(), &width, &height));
return ImageData.new_(Uint8ClampedArray.new_(typed_memory_view(width * height * 4, rgba.get())), width, height);
}
EMSCRIPTEN_BINDINGS(my_module) {
class_<RawImage>("RawImage")
.property("buffer", &RawImage::buffer)
.property("width", &RawImage::width)
.property("height", &RawImage::height);
function("decode", &decode);
function("version", &version);
function("free_result", &free_result);
}

10
codecs/webp/dec/webp_dec.d.ts vendored
View File

@@ -1,13 +1,5 @@
interface RawImage {
buffer: Uint8Array;
width: number;
height: number;
}
interface WebPModule extends EmscriptenWasm.Module {
decode(data: BufferSource): RawImage;
free_result(): void;
decode(data: BufferSource): ImageData;
}
export default function(opts: EmscriptenWasm.ModuleOpts): WebPModule;

103
codecs/webp/dec/webp_dec.js
View File

@@ -6,64 +6,51 @@ var webp_dec = (function() {
function(webp_dec) {
webp_dec = webp_dec || {};
var e;e||(e=typeof webp_dec !== 'undefined' ? webp_dec : {});var r={},w;for(w in e)e.hasOwnProperty(w)&&(r[w]=e[w]);var aa=!1,z=!1,ba=!1,ca=!1;aa="object"===typeof window;z="function"===typeof importScripts;ba="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;ca=!aa&&!ba&&!z;var A="",da,B,ea,ha;
if(ba)A=z?require("path").dirname(A)+"/":__dirname+"/",da=function(a,b){ea||(ea=require("fs"));ha||(ha=require("path"));a=ha.normalize(a);return ea.readFileSync(a,b?null:"utf8")},B=function(a){a=da(a,!0);a.buffer||(a=new Uint8Array(a));a.buffer||D("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",D),e.inspect=function(){return"[Emscripten Module object]"};
else if(ca)"undefined"!=typeof read&&(da=function(a){return read(a)}),B=function(a){if("function"===typeof readbuffer)return new Uint8Array(readbuffer(a));a=read(a,"binary");"object"===typeof a||D("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(aa||z)z?A=self.location.href:document.currentScript&&(A=document.currentScript.src),_scriptDir&&
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(p-2)+" args!');\n}\n";v&&(l+="var destructors = [];\n");var Sa=v?"destructors":"null";L="throwBindingError invoker fn runDestructors retType classParam".split(" ");n=[V,n,g,Za,k[0],k[1]];r&&(l+="var thisWired = classParam.toWireType("+Sa+", this);\n");for(m=0;m<p-2;++m)l+="var arg"+m+"Wired = argType"+m+".toWireType("+Sa+", arg"+m+"); // "+k[m+2].name+"\n",L.push("argType"+m),n.push(k[m+2]);r&&(P="thisWired"+(0<P.length?", ":"")+P);l+=(u?"var rv = ":"")+"invoker(fn"+(0<P.length?", ":"")+P+");\n";
if(v)l+="runDestructors(destructors);\n";else for(m=r?1:2;m<k.length;++m)p=1===m?"thisWired":"arg"+(m-2)+"Wired",null!==k[m].I&&(l+=p+"_dtor("+p+"); // "+k[m].name+"\n",L.push(p+"_dtor"),n.push(k[m].I));u&&(l+="var ret = retType.fromWireType(rv);\nreturn ret;\n");L.push(l+"}\n");k=Ya(L).apply(null,n);m=b-1;if(!c.hasOwnProperty(h))throw new Pa("Replacing nonexistant public symbol");void 0!==c[h].H&&void 0!==m?c[h].H[m]=k:(c[h]=k,c[h].M=m);return[]})},b:function(a,b,d,e,f){function g(l){return l}b=
S(b);-1===f&&(f=4294967295);var q=Ia(d);if(0===e){var h=32-8*d;g=function(l){return l<<h>>>h}}var k=-1!=b.indexOf("unsigned");W(a,{name:b,fromWireType:g,toWireType:function(l,n){if("number"!==typeof n&&"boolean"!==typeof n)throw new TypeError('Cannot convert "'+Wa(n)+'" to '+this.name);if(n<e||n>f)throw new TypeError('Passing a number "'+Wa(n)+'" from JS side to C/C++ side to an argument of type "'+b+'", which is outside the valid range ['+e+", "+f+"]!");return k?n>>>0:n|0},argPackAdvance:8,readValueFromPointer:hb(b,
q,0!==e),I:null})},a:function(a,b,d){function e(g){g>>=2;var q=K;return new f(J,q[g+1],q[g])}var f=[Int8Array,Uint8Array,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array][b];d=S(d);W(a,{name:d,fromWireType:e,argPackAdvance:8,readValueFromPointer:e},{O:!0})},e:function(a,b){b=S(b);var d="std::string"===b;W(a,{name:b,fromWireType:function(e){var f=K[e>>2];if(d){var g=G[e+4+f],q=0;0!=g&&(q=g,G[e+4+f]=0);var h=e+4;for(g=0;g<=f;++g){var k=e+4+g;if(0==G[k]){if(h){for(var l=G,n=h+
NaN,p=h;l[p]&&!(p>=n);)++p;if(16<p-h&&l.subarray&&ia)h=ia.decode(l.subarray(h,p));else{for(n="";h<p;){var r=l[h++];if(r&128){var v=l[h++]&63;if(192==(r&224))n+=String.fromCharCode((r&31)<<6|v);else{var m=l[h++]&63;r=224==(r&240)?(r&15)<<12|v<<6|m:(r&7)<<18|v<<12|m<<6|l[h++]&63;65536>r?n+=String.fromCharCode(r):(r-=65536,n+=String.fromCharCode(55296|r>>10,56320|r&1023))}}else n+=String.fromCharCode(r)}h=n}}else h="";if(void 0===u)var u=h;else u+=String.fromCharCode(0),u+=h;h=k+1}}0!=q&&(G[e+4+f]=q)}else{u=
Array(f);for(g=0;g<f;++g)u[g]=String.fromCharCode(G[e+4+g]);u=u.join("")}Y(e);return u},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 q=(d&&g?function(){for(var l=0,n=0;n<f.length;++n){var p=f.charCodeAt(n);55296<=p&&57343>=p&&(p=65536+((p&1023)<<10)|f.charCodeAt(++n)&1023);127>=p?++l:l=2047>=p?l+2:65535>=p?l+3:l+4}return l}:
function(){return f.length})(),h=ob(4+q+1);K[h>>2]=q;if(d&&g)ja(f,h+4,q+1);else if(g)for(g=0;g<q;++g){var k=f.charCodeAt(g);255<k&&(Y(h),V("String has UTF-16 code units that do not fit in 8 bits"));G[h+4+g]=k}else for(g=0;g<q;++g)G[h+4+g]=f[g];null!==e&&e.push(Y,h);return h},argPackAdvance:8,readValueFromPointer:Va,I:function(e){Y(e)}})},d:function(a,b,d){d=S(d);if(2===b){var e=la;var f=ma;var g=na;var q=function(){return sa};var h=1}else 4===b&&(e=oa,f=pa,g=qa,q=function(){return K},h=2);W(a,{name:d,
fromWireType:function(k){var l=K[k>>2],n=q(),p=n[k+4+l*b>>h],r=0;0!=p&&(r=p,n[k+4+l*b>>h]=0);var v=k+4;for(p=0;p<=l;++p){var m=k+4+p*b;if(0==n[m>>h]){v=e(v);if(void 0===u)var u=v;else u+=String.fromCharCode(0),u+=v;v=m+b}}0!=r&&(n[k+4+l*b>>h]=r);Y(k);return u},toWireType:function(k,l){"string"!==typeof l&&V("Cannot pass non-string to C++ string type "+d);var n=g(l),p=ob(4+n+b);K[p>>2]=n>>h;f(l,p+4,n+b);null!==k&&k.push(Y,p);return p},argPackAdvance:8,readValueFromPointer:Va,I:function(k){Y(k)}})},
j:function(a,b){b=S(b);W(a,{P:!0,name:b,argPackAdvance:0,fromWireType:function(){},toWireType:function(){}})},p:Ta,q:function(a){if(0===a)return Ua(jb());var b=ib[a];a=void 0===b?S(a):b;return Ua(jb()[a])},m:function(a){4<a&&(X[a].K+=1)},g:function(a,b,d,e){a||V("Cannot use deleted val. handle = "+a);a=X[a].value;var f=lb[b];if(!f){f="";for(var g=0;g<b;++g)f+=(0!==g?", ":"")+"arg"+g;var q="return function emval_allocator_"+b+"(constructor, argTypes, args) {\n";for(g=0;g<b;++g)q+="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",q+("var obj = new constructor("+f+");\nreturn __emval_register(obj);\n}\n")))(kb,c,Ua);lb[b]=f}return f(a,d,e)},n:function(a,b,d){G.copyWithin(a,b,b+d)},c:function(a){var b=G.length;if(2147418112<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,a,e);0<e%65536&&
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d(b)})})})();return{}}();c.asm=qb;var Ha=c.___wasm_call_ctors=function(){return(Ha=c.___wasm_call_ctors=c.asm.r).apply(null,arguments)},ob=c._malloc=function(){return(ob=c._malloc=c.asm.s).apply(null,arguments)},Y=c._free=function(){return(Y=c._free=c.asm.t).apply(null,arguments)},fb=c.___getTypeName=function(){return(fb=c.___getTypeName=c.asm.u).apply(null,arguments)};
c.___embind_register_native_and_builtin_types=function(){return(c.___embind_register_native_and_builtin_types=c.asm.v).apply(null,arguments)};c.dynCall_vi=function(){return(c.dynCall_vi=c.asm.w).apply(null,arguments)};c.dynCall_iii=function(){return(c.dynCall_iii=c.asm.x).apply(null,arguments)};c.dynCall_vii=function(){return(c.dynCall_vii=c.asm.y).apply(null,arguments)};c.dynCall_ii=function(){return(c.dynCall_ii=c.asm.z).apply(null,arguments)};
c.dynCall_i=function(){return(c.dynCall_i=c.asm.A).apply(null,arguments)};c.dynCall_iiii=function(){return(c.dynCall_iiii=c.asm.B).apply(null,arguments)};c.dynCall_iiiiiii=function(){return(c.dynCall_iiiiiii=c.asm.C).apply(null,arguments)};c.dynCall_viiii=function(){return(c.dynCall_viiii=c.asm.D).apply(null,arguments)};c.dynCall_viiiii=function(){return(c.dynCall_viiiii=c.asm.E).apply(null,arguments)};c.dynCall_viiiiiiiii=function(){return(c.dynCall_viiiiiiiii=c.asm.F).apply(null,arguments)};
c.dynCall_viiiiii=function(){return(c.dynCall_viiiiii=c.asm.G).apply(null,arguments)};c.asm=qb;var Z;c.then=function(a){if(Z)a(c);else{var b=c.onRuntimeInitialized;c.onRuntimeInitialized=function(){b&&b();a(c)}}return c};O=function rb(){Z||sb();Z||(O=rb)};
function sb(){function a(){if(!Z&&(Z=!0,c.calledRun=!0,!ha)){M(ya);M(za);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();Aa.unshift(b)}M(Aa)}}if(!(0<N)){if(c.preRun)for("function"==typeof c.preRun&&(c.preRun=[c.preRun]);c.preRun.length;)Ba();M(xa);0<N||(c.setStatus?(c.setStatus("Running..."),setTimeout(function(){setTimeout(function(){c.setStatus("")},1);a()},1)):a())}}c.run=sb;
if(c.preInit)for("function"==typeof c.preInit&&(c.preInit=[c.preInit]);0<c.preInit.length;)c.preInit.pop()();noExitRuntime=!0;sb();
return webp_dec

BIN
codecs/webp/dec/webp_dec.wasm
View File

Binary file not shown.

4
codecs/webp/enc/README.md
View File

@@ -20,7 +20,3 @@ Returns the version of libwebp as a number. va.b.c is encoded as 0x0a0b0c
### `UInt8Array encode(uint8_t* image_buffer, int image_width, int image_height, WebPConfig config)`
Encodes the given image with given dimension to WebP.
### `void free_result()`
Frees the last result created by `encode()`.

2
codecs/webp/enc/example.html
View File

@@ -52,8 +52,6 @@
console.log('size', result.length);
const blob = new Blob([result], {type: 'image/webp'});
module.free_result();
const blobURL = URL.createObjectURL(blob);
const img = document.createElement('img');
img.src = blobURL;

13
codecs/webp/enc/webp_enc.cpp
View File

@@ -11,7 +11,7 @@ int version() {
return WebPGetEncoderVersion();
}
uint8_t* last_result;
const val Uint8Array = val::global("Uint8Array");
val encode(std::string img, int width, int height, WebPConfig config) {
uint8_t* img_in = (uint8_t*)img.c_str();
@@ -42,13 +42,9 @@ val encode(std::string img, int width, int height, WebPConfig config) {
throw std::runtime_error("Encode failed");
}
last_result = wrt.mem;
return val(typed_memory_view(wrt.size, wrt.mem));
}
void free_result() {
WebPFree(last_result);
val js_result = Uint8Array.new_(typed_memory_view(wrt.size, wrt.mem));
WebPFree(wrt.mem);
return js_result;
}
EMSCRIPTEN_BINDINGS(my_module) {
@@ -89,5 +85,4 @@ EMSCRIPTEN_BINDINGS(my_module) {
function("version", &version);
function("encode", &encode);
function("free_result", &free_result);
}

4
codecs/webp/enc/webp_enc.d.ts vendored
View File

@@ -1,9 +1,7 @@
import { EncodeOptions } from '../../src/codecs/webp/encoder-meta';
import { EncodeOptions } from '../../../src/codecs/webp/encoder-meta';
interface WebPModule extends EmscriptenWasm.Module {
encode(data: BufferSource, width: number, height: number, options: EncodeOptions): Uint8Array;
free_result(): void;
}
export default function(opts: EmscriptenWasm.ModuleOpts): WebPModule;

53
codecs/webp/enc/webp_enc.js
View File

@@ -6,11 +6,11 @@ var webp_enc = (function() {
function(webp_enc) {
webp_enc = webp_enc || {};
var d;d||(d=typeof webp_enc !== 'undefined' ? webp_enc : {});var u={},w;for(w in d)d.hasOwnProperty(w)&&(u[w]=d[w]);var x=!1,y=!1,aa=!1,ba=!1;x="object"===typeof window;y="function"===typeof importScripts;aa="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;ba=!x&&!aa&&!y;var z="",B,C,ca,da;
var d;d||(d=typeof webp_enc !== 'undefined' ? webp_enc : {});var u={},v;for(v in d)d.hasOwnProperty(v)&&(u[v]=d[v]);var x=!1,y=!1,aa=!1,ba=!1;x="object"===typeof window;y="function"===typeof importScripts;aa="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;ba=!x&&!aa&&!y;var z="",B,C,ca,da;
if(aa)z=y?require("path").dirname(z)+"/":__dirname+"/",B=function(a,b){ca||(ca=require("fs"));da||(da=require("path"));a=da.normalize(a);return ca.readFileSync(a,b?null:"utf8")},C=function(a){a=B(a,!0);a.buffer||(a=new Uint8Array(a));a.buffer||D("Assertion failed: undefined");return a},1<process.argv.length&&process.argv[1].replace(/\\/g,"/"),process.argv.slice(2),process.on("uncaughtException",function(a){throw a;}),process.on("unhandledRejection",D),d.inspect=function(){return"[Emscripten Module object]"};
else if(ba)"undefined"!=typeof read&&(B=function(a){return read(a)}),C=function(a){if("function"===typeof readbuffer)return new Uint8Array(readbuffer(a));a=read(a,"binary");"object"===typeof a||D("Assertion failed: undefined");return a},"undefined"!==typeof print&&("undefined"===typeof console&&(console={}),console.log=print,console.warn=console.error="undefined"!==typeof printErr?printErr:print);else if(x||y)y?z=self.location.href:document.currentScript&&(z=document.currentScript.src),_scriptDir&&
(z=_scriptDir),0!==z.indexOf("blob:")?z=z.substr(0,z.lastIndexOf("/")+1):z="",B=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.send(null);return b.responseText},y&&(C=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)});var ea=d.print||console.log.bind(console),E=d.printErr||console.warn.bind(console);for(w in u)u.hasOwnProperty(w)&&(d[w]=u[w]);u=null;var F;d.wasmBinary&&(F=d.wasmBinary);var noExitRuntime;
d.noExitRuntime&&(noExitRuntime=d.noExitRuntime);"object"!==typeof WebAssembly&&E("no native wasm support detected");var G,fa=new WebAssembly.Table({initial:129,maximum:129,element:"anyfunc"}),ha=!1,ia="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
(z=_scriptDir),0!==z.indexOf("blob:")?z=z.substr(0,z.lastIndexOf("/")+1):z="",B=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.send(null);return b.responseText},y&&(C=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)});var ea=d.print||console.log.bind(console),E=d.printErr||console.warn.bind(console);for(v in u)u.hasOwnProperty(v)&&(d[v]=u[v]);u=null;var F;d.wasmBinary&&(F=d.wasmBinary);var noExitRuntime;
d.noExitRuntime&&(noExitRuntime=d.noExitRuntime);"object"!==typeof WebAssembly&&E("no native wasm support detected");var G,fa=new WebAssembly.Table({initial:128,maximum:128,element:"anyfunc"}),ha=!1,ia="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
function ja(a,b,c){var e=I;if(0<c){c=b+c-1;for(var f=0;f<a.length;++f){var g=a.charCodeAt(f);if(55296<=g&&57343>=g){var n=a.charCodeAt(++f);g=65536+((g&1023)<<10)|n&1023}if(127>=g){if(b>=c)break;e[b++]=g}else{if(2047>=g){if(b+1>=c)break;e[b++]=192|g>>6}else{if(65535>=g){if(b+2>=c)break;e[b++]=224|g>>12}else{if(b+3>=c)break;e[b++]=240|g>>18;e[b++]=128|g>>12&63}e[b++]=128|g>>6&63}e[b++]=128|g&63}}e[b]=0}}var ka="undefined"!==typeof TextDecoder?new TextDecoder("utf-16le"):void 0;
function la(a){var b;for(b=a>>1;J[b];)++b;b<<=1;if(32<b-a&&ka)return ka.decode(I.subarray(a,b));b=0;for(var c="";;){var e=J[a+2*b>>1];if(0==e)return c;++b;c+=String.fromCharCode(e)}}function ma(a,b,c){void 0===c&&(c=2147483647);if(2>c)return 0;c-=2;var e=b;c=c<2*a.length?c/2:a.length;for(var f=0;f<c;++f)J[b>>1]=a.charCodeAt(f),b+=2;J[b>>1]=0;return b-e}function na(a){return 2*a.length}
function oa(a){for(var b=0,c="";;){var e=K[a+4*b>>2];if(0==e)return c;++b;65536<=e?(e-=65536,c+=String.fromCharCode(55296|e>>10,56320|e&1023)):c+=String.fromCharCode(e)}}function pa(a,b,c){void 0===c&&(c=2147483647);if(4>c)return 0;var e=b;c=e+c-4;for(var f=0;f<a.length;++f){var g=a.charCodeAt(f);if(55296<=g&&57343>=g){var n=a.charCodeAt(++f);g=65536+((g&1023)<<10)|n&1023}K[b>>2]=g;b+=4;if(b+4>c)break}K[b>>2]=0;return b-e}
@@ -30,31 +30,32 @@ function ab(a,b,c){switch(b){case 0:return function(e){return this.fromWireType(
function eb(a){if(null===a)return"null";var b=typeof a;return"object"===b||"array"===b||"function"===b?a.toString():""+a}function fb(a,b){switch(b){case 2:return function(c){return this.fromWireType(ta[c>>2])};case 3:return function(c){return this.fromWireType(ua[c>>3])};default:throw new TypeError("Unknown float type: "+a);}}
function gb(a){var b=Function;if(!(b instanceof Function))throw new TypeError("new_ called with constructor type "+typeof b+" which is not a function");var c=Pa(b.name||"unknownFunctionName",function(){});c.prototype=b.prototype;c=new c;a=b.apply(c,a);return a instanceof Object?a:c}function hb(a,b){for(var c=[],e=0;e<a;e++)c.push(K[(b>>2)+e]);return c}
function Y(a,b){a=T(a);var c=d["dynCall_"+a];for(var e=[],f=1;f<a.length;++f)e.push("a"+f);f="return function dynCall_"+(a+"_"+b)+"("+e.join(", ")+") {\n";f+=" return dynCall(rawFunction"+(e.length?", ":"")+e.join(", ")+");\n";c=(new Function("dynCall","rawFunction",f+"};\n"))(c,b);"function"!==typeof c&&U("unknown function pointer with signature "+a+": "+b);return c}var ib=void 0;
function jb(a,b){function c(g){f[g]||R[g]||(Na[g]?Na[g].forEach(c):(e.push(g),f[g]=!0))}var e=[],f={};b.forEach(c);throw new ib(a+": "+e.map(bb).join([", "]));}function kb(a,b,c){switch(b){case 0:return c?function(e){return ra[e]}:function(e){return I[e]};case 1:return c?function(e){return J[e>>1]}:function(e){return sa[e>>1]};case 2:return c?function(e){return K[e>>2]}:function(e){return M[e>>2]};default:throw new TypeError("Unknown integer type: "+a);}}Ra=d.InternalError=Qa("InternalError");
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return webp_enc

BIN
codecs/webp/enc/webp_enc.wasm
View File

Binary file not shown.

2
src/codecs/imagequant/processor.ts
View File

@@ -15,5 +15,5 @@ export async function process(data: ImageData, opts: QuantizeOptions): Promise<I
:
module.quantize(data.data, data.width, data.height, opts.maxNumColors, opts.dither);
return new ImageData(new Uint8ClampedArray(result), data.width, data.height);
return new ImageData(result, data.width, data.height);
}

5
src/codecs/mozjpeg/encoder.ts
View File

@@ -10,9 +10,6 @@ export async function encode(data: ImageData, options: EncodeOptions): Promise<A
const module = await emscriptenModule;
const resultView = module.encode(data.data, data.width, data.height, options);
const result = new Uint8Array(resultView);
module.free_result();
// wasm can’t run on SharedArrayBuffers, so we hard-cast to ArrayBuffer.
return result.buffer as ArrayBuffer;
return resultView.buffer as ArrayBuffer;
}

10
src/codecs/webp/decoder.ts
View File

@@ -8,13 +8,5 @@ export async function decode(data: ArrayBuffer): Promise<ImageData> {
if (!emscriptenModule) emscriptenModule = initEmscriptenModule(webp_dec, wasmUrl);
const module = await emscriptenModule;
const rawImage = module.decode(data);
const result = new ImageData(
new Uint8ClampedArray(rawImage.buffer),
rawImage.width,
rawImage.height,
);
module.free_result();
return result;
return module.decode(data);
}

5
src/codecs/webp/encoder.ts
View File

@@ -9,10 +9,7 @@ export async function encode(data: ImageData, options: EncodeOptions): Promise<A
if (!emscriptenModule) emscriptenModule = initEmscriptenModule(webp_enc, wasmUrl);
const module = await emscriptenModule;
const resultView = module.encode(data.data, data.width, data.height, options);
const result = new Uint8Array(resultView);
module.free_result();
const result = module.encode(data.data, data.width, data.height, options);
// wasm can’t run on SharedArrayBuffers, so we hard-cast to ArrayBuffer.
return result.buffer as ArrayBuffer;
}