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Author SHA1 Message Date
26e9a848dd Run wasm-opt on hqx module 2019-06-19 00:27:13 +01:00
156 changed files with 8727 additions and 3597 deletions

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@ -1,2 +0,0 @@
BasedOnStyle: Chromium
ColumnLimit: 100

2
.nvmrc
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@ -1 +1 @@
10.16.2
10.16.0

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@ -2,6 +2,3 @@ language: node_js
cache: npm
script: npm run build
after_success: npm run sizereport
os:
- linux
- windows

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@ -10,7 +10,6 @@ Google Analytics is used to record the following:
* [Basic visit data](https://support.google.com/analytics/answer/6004245?ref_topic=2919631).
* Before and after image size once an image is downloaded. These values are rounded to the nearest
kilobyte.
* If install is available, when Squoosh is installed, and what method was used to install Squoosh.
Image compression is handled locally; no additional data is sent to the server.

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@ -1,3 +0,0 @@
#!/bin/sh -e
docker build -t squoosh-cpp - < ../cpp.Dockerfile
docker run --rm -v $PWD:/src squoosh-cpp

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@ -1,4 +0,0 @@
set -e
docker build -t squoosh-rust - < ../rust.Dockerfile
docker run --rm -v $PWD:/src squoosh-rust "$@"

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@ -1,11 +0,0 @@
FROM emscripten/emsdk:1.39.19
RUN apt-get update && apt-get install -qqy autoconf libtool pkg-config
ENV CFLAGS "-Os -flto"
ENV CXXFLAGS "${CFLAGS} -std=c++17"
ENV LDFLAGS "${CFLAGS}"
# Build and cache standard libraries with these flags
RUN emcc ${CXXFLAGS} --bind -xc++ /dev/null -o /dev/null
RUN curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.35.3/install.sh | bash
RUN /bin/bash -ic 'nvm install 14.7.0'
WORKDIR /src
CMD ["sh", "-c", "emmake make -j`nproc`"]

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@ -1 +1,5 @@
/target
**/*.rs.bk
target
Cargo.lock
bin/
pkg/README.md

289
codecs/hqx/Cargo.lock generated
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@ -1,289 +0,0 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
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@ -1,11 +1,23 @@
# This is intentionally an old version of Rust. Newer versions
# generate _significantly_ bigger Wasm binaries.
FROM rust:1.37
RUN rustup target add wasm32-unknown-unknown
RUN curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
FROM ubuntu
RUN apt-get update && \
apt-get install -qqy git build-essential cmake python2.7
RUN git clone --recursive https://github.com/WebAssembly/wabt /usr/src/wabt
RUN mkdir -p /usr/src/wabt/build
WORKDIR /usr/src/wabt/build
RUN cmake .. -DCMAKE_INSTALL_PREFIX=/opt/wabt && \
make && \
make install
FROM rust
RUN rustup install nightly && \
rustup target add --toolchain nightly wasm32-unknown-unknown && \
cargo install wasm-pack
COPY --from=0 /opt/wabt /opt/wabt
RUN mkdir /opt/binaryen && \
curl -L https://github.com/WebAssembly/binaryen/releases/download/1.38.32/binaryen-1.38.32-x86-linux.tar.gz | tar -xzf - -C /opt/binaryen --strip 1
curl -L https://github.com/WebAssembly/binaryen/releases/download/1.38.32/binaryen-1.38.32-x86-linux.tar.gz | tar -xzf - -C /opt/binaryen --strip 1
ENV PATH="/opt/binaryen:/opt/wabt/bin:${PATH}"
ENV PATH="/opt/binaryen:${PATH}"
WORKDIR /src

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@ -6,7 +6,11 @@ echo "============================================="
echo "Compiling wasm"
echo "============================================="
(
wasm-pack build -- --verbose --locked
rustup run nightly \
wasm-pack build --target no-modules
mv pkg/squooshhqx_bg.wasm pkg/squooshhqx_bg.unopt.wasm
wasm-opt -Os --no-validation pkg/squooshhqx_bg.unopt.wasm -o pkg/squooshhqx_bg.wasm
wasm-strip pkg/squooshhqx_bg.wasm
rm pkg/.gitignore
)
echo "============================================="

24
codecs/hqx/index.html Normal file
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@ -0,0 +1,24 @@
<!doctype html>
<script src ="./pkg/squooshhqx.js"></script>
<script type="module">
async function run() {
await wasm_bindgen("./pkg/squooshhqx_bg.wasm");
const bitmap = await createImageBitmap(await fetch("https://i.imgur.com/MNDnBSc.png").then(r => r.blob()));
const canvas = document.createElement("canvas");
canvas.width = bitmap.width;
canvas.height = bitmap.height;
const ctx = canvas.getContext("2d");
ctx.drawImage(bitmap, 0, 0);
const imgdata = ctx.getImageData(0, 0, bitmap.width, bitmap.height);
const factor = 4;
const r = wasm_bindgen.resize(new Uint32Array(imgdata.data.buffer), bitmap.width, bitmap.height, factor);
canvas.width = bitmap.width * factor;
canvas.height = bitmap.height * factor;
const output = new ImageData(new Uint8ClampedArray(r.buffer), canvas.width, canvas.height);
ctx.putImageData(output, 0, 0);
canvas.style = `width: ${canvas.width}px; height: ${canvas.height}px; image-rendering: pixelated;`;
document.body.append(canvas);
}
run();
</script>

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@ -0,0 +1,11 @@
// THIS IS NOT A NODE SCRIPT
// This is a d8 script. Please install jsvu[1] and install v8.
// Then run `npm run --silent benchmark`.
// [1]: https://github.com/GoogleChromeLabs/jsvu
async function init() {
const start = Date.now();
const module = await WebAssembly.compile(readbuffer("pkg/squooshhqx_bg.wasm"));
print(`${Date.now()/1000 - start/1000}`);
}
init().catch(e => console.error(e.stack));

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@ -1,7 +1,7 @@
{
"name": "hqx",
"scripts": {
"build:image": "docker build -t squoosh-hqx - < Dockerfile",
"build:image": "docker build -t squoosh-hqx .",
"build": "docker run --rm -v $(pwd):/src squoosh-hqx ./build.sh"
}
}

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@ -9,7 +9,6 @@
"squooshhqx.js",
"squooshhqx.d.ts"
],
"module": "squooshhqx.js",
"types": "squooshhqx.d.ts",
"sideEffects": false
"browser": "squooshhqx.js",
"types": "squooshhqx.d.ts"
}

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@ -1,10 +1,20 @@
/* tslint:disable */
/* eslint-disable */
/**
* @param {Uint32Array} input_image
* @param {number} input_width
* @param {number} input_height
* @param {number} factor
* @returns {Uint32Array}
* @param {Uint32Array} input_image
* @param {number} input_width
* @param {number} input_height
* @param {number} factor
* @returns {Uint32Array}
*/
export function resize(input_image: Uint32Array, input_width: number, input_height: number, factor: number): Uint32Array;
/**
* If `module_or_path` is {RequestInfo}, makes a request and
* for everything else, calls `WebAssembly.instantiate` directly.
*
* @param {RequestInfo | BufferSource | WebAssembly.Module} module_or_path
*
* @returns {Promise<any>}
*/
export default function init (module_or_path: RequestInfo | BufferSource | WebAssembly.Module): Promise<any>;

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@ -1,2 +1,97 @@
import * as wasm from "./squooshhqx_bg.wasm";
export * from "./squooshhqx_bg.js";
(function() {
const __exports = {};
let wasm;
let cachegetUint32Memory = null;
function getUint32Memory() {
if (cachegetUint32Memory === null || cachegetUint32Memory.buffer !== wasm.memory.buffer) {
cachegetUint32Memory = new Uint32Array(wasm.memory.buffer);
}
return cachegetUint32Memory;
}
let WASM_VECTOR_LEN = 0;
function passArray32ToWasm(arg) {
const ptr = wasm.__wbindgen_malloc(arg.length * 4);
getUint32Memory().set(arg, ptr / 4);
WASM_VECTOR_LEN = arg.length;
return ptr;
}
function getArrayU32FromWasm(ptr, len) {
return getUint32Memory().subarray(ptr / 4, ptr / 4 + len);
}
let cachedGlobalArgumentPtr = null;
function globalArgumentPtr() {
if (cachedGlobalArgumentPtr === null) {
cachedGlobalArgumentPtr = wasm.__wbindgen_global_argument_ptr();
}
return cachedGlobalArgumentPtr;
}
/**
* @param {Uint32Array} input_image
* @param {number} input_width
* @param {number} input_height
* @param {number} factor
* @returns {Uint32Array}
*/
__exports.resize = function(input_image, input_width, input_height, factor) {
const ptr0 = passArray32ToWasm(input_image);
const len0 = WASM_VECTOR_LEN;
const retptr = globalArgumentPtr();
wasm.resize(retptr, ptr0, len0, input_width, input_height, factor);
const mem = getUint32Memory();
const rustptr = mem[retptr / 4];
const rustlen = mem[retptr / 4 + 1];
const realRet = getArrayU32FromWasm(rustptr, rustlen).slice();
wasm.__wbindgen_free(rustptr, rustlen * 4);
return realRet;
};
function init(module) {
let result;
const imports = {};
if (module instanceof URL || typeof module === 'string' || module instanceof Request) {
const response = fetch(module);
if (typeof WebAssembly.instantiateStreaming === 'function') {
result = WebAssembly.instantiateStreaming(response, imports)
.catch(e => {
console.warn("`WebAssembly.instantiateStreaming` failed. Assuming this is because your server does not serve wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n", e);
return response
.then(r => r.arrayBuffer())
.then(bytes => WebAssembly.instantiate(bytes, imports));
});
} else {
result = response
.then(r => r.arrayBuffer())
.then(bytes => WebAssembly.instantiate(bytes, imports));
}
} else {
result = WebAssembly.instantiate(module, imports)
.then(result => {
if (result instanceof WebAssembly.Instance) {
return { instance: result, module };
} else {
return result;
}
});
}
return result.then(({instance, module}) => {
wasm = instance.exports;
init.__wbindgen_wasm_module = module;
return wasm;
});
}
self.wasm_bindgen = Object.assign(init, __exports);
})();

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@ -1,6 +1,6 @@
/* tslint:disable */
/* eslint-disable */
export const memory: WebAssembly.Memory;
export function resize(a: number, b: number, c: number, d: number, e: number, f: number): void;
export function __wbindgen_global_argument_ptr(): number;
export function __wbindgen_malloc(a: number): number;
export function __wbindgen_free(a: number, b: number): void;

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@ -1,48 +0,0 @@
import * as wasm from './squooshhqx_bg.wasm';
let cachegetUint32Memory0 = null;
function getUint32Memory0() {
if (cachegetUint32Memory0 === null || cachegetUint32Memory0.buffer !== wasm.memory.buffer) {
cachegetUint32Memory0 = new Uint32Array(wasm.memory.buffer);
}
return cachegetUint32Memory0;
}
let WASM_VECTOR_LEN = 0;
function passArray32ToWasm0(arg, malloc) {
const ptr = malloc(arg.length * 4);
getUint32Memory0().set(arg, ptr / 4);
WASM_VECTOR_LEN = arg.length;
return ptr;
}
let cachegetInt32Memory0 = null;
function getInt32Memory0() {
if (cachegetInt32Memory0 === null || cachegetInt32Memory0.buffer !== wasm.memory.buffer) {
cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer);
}
return cachegetInt32Memory0;
}
function getArrayU32FromWasm0(ptr, len) {
return getUint32Memory0().subarray(ptr / 4, ptr / 4 + len);
}
/**
* @param {Uint32Array} input_image
* @param {number} input_width
* @param {number} input_height
* @param {number} factor
* @returns {Uint32Array}
*/
export function resize(input_image, input_width, input_height, factor) {
var ptr0 = passArray32ToWasm0(input_image, wasm.__wbindgen_malloc);
var len0 = WASM_VECTOR_LEN;
wasm.resize(8, ptr0, len0, input_width, input_height, factor);
var r0 = getInt32Memory0()[8 / 4 + 0];
var r1 = getInt32Memory0()[8 / 4 + 1];
var v1 = getArrayU32FromWasm0(r0, r1).slice();
wasm.__wbindgen_free(r0, r1 * 4);
return v1;
}

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@ -1,40 +0,0 @@
CODEC_URL := https://github.com/ImageOptim/libimagequant/archive/2.12.1.tar.gz
CODEC_DIR := node_modules/libimagequant
CODEC_OUT_RELATIVE := libimagequant.a
CODEC_OUT := $(addprefix $(CODEC_DIR)/, $(CODEC_OUT_RELATIVE))
OUT_JS := imagequant.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_DIR)/config.mk
$(MAKE) -C $(CODEC_DIR) $(CODEC_OUT_RELATIVE)
$(CODEC_DIR)/config.mk: $(CODEC_DIR)/configure
cd $(CODEC_DIR) && ./configure \
--disable-sse
$(CODEC_DIR)/configure: $(CODEC_DIR)
$(CODEC_DIR):
mkdir -p $@
curl -sL $(CODEC_URL) | tar xz --strip 1 -C $@
clean:
$(RM) $(OUT_JS) $(OUT_WASM)
$(MAKE) -C $(CODEC_DIR) clean

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@ -24,3 +24,7 @@ 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()`.

48
codecs/imagequant/build.sh Executable file
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@ -0,0 +1,48 @@
#!/bin/bash
set -e
export OPTIMIZE="-Os"
export LDFLAGS="${OPTIMIZE}"
export CFLAGS="${OPTIMIZE}"
export CPPFLAGS="${OPTIMIZE}"
echo "============================================="
echo "Compiling libimagequant"
echo "============================================="
(
emcc \
--bind \
${OPTIMIZE} \
-s ALLOW_MEMORY_GROWTH=1 \
-s MODULARIZE=1 \
-s 'EXPORT_NAME="imagequant"' \
-I node_modules/libimagequant \
--std=c99 \
-c \
node_modules/libimagequant/{libimagequant,pam,mediancut,blur,mempool,kmeans,nearest}.c
)
echo "============================================="
echo "Compiling wasm module"
echo "============================================="
(
emcc \
--bind \
${OPTIMIZE} \
-s ALLOW_MEMORY_GROWTH=1 \
-s MODULARIZE=1 \
-s 'EXPORT_NAME="imagequant"' \
-I node_modules/libimagequant \
-o ./imagequant.js \
--std=c++11 *.o \
-x c++ \
imagequant.cpp
)
echo "============================================="
echo "Compiling wasm module done"
echo "============================================="
echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
echo "Did you update your docker image?"
echo "Run \`docker pull trzeci/emscripten\`"
echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

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@ -28,6 +28,7 @@
// 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');

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@ -1,87 +1,95 @@
#include <emscripten/bind.h>
#include <emscripten/val.h>
#include "emscripten/bind.h"
#include "emscripten/val.h"
#include <stdlib.h>
#include <inttypes.h>
#include <limits.h>
#include <math.h>
#include <stdlib.h>
#include "libimagequant.h"
using namespace emscripten;
int version() {
return (((LIQ_VERSION / 10000) % 100) << 16) | (((LIQ_VERSION / 100) % 100) << 8) |
(((LIQ_VERSION / 1) % 100) << 0);
return (((LIQ_VERSION/10000) % 100) << 16) |
(((LIQ_VERSION/100 ) % 100) << 8) |
(((LIQ_VERSION/1 ) % 100) << 0);
}
thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");
class RawImage {
public:
val buffer;
int width;
int height;
#define liq_ptr(T) std::unique_ptr<T, std::integral_constant<decltype(&T##_destroy), T##_destroy>>
RawImage(val b, int w, int h)
: buffer(b), width(w), height(h) {}
};
using liq_attr_ptr = liq_ptr(liq_attr);
using liq_image_ptr = liq_ptr(liq_image);
using liq_result_ptr = liq_ptr(liq_result);
liq_result_ptr liq_image_quantize(liq_image* image, liq_attr* attr) {
liq_result* res = nullptr;
liq_image_quantize(image, attr, &res);
return liq_result_ptr(res);
}
val quantize(std::string rawimage,
int image_width,
int image_height,
int num_colors,
float dithering) {
auto image_buffer = (const liq_color*)rawimage.c_str();
liq_attr *attr;
liq_image *image;
liq_result *res;
uint8_t* result;
RawImage quantize(std::string rawimage, int image_width, int image_height, int num_colors, float dithering) {
const uint8_t* image_buffer = (uint8_t*)rawimage.c_str();
int size = image_width * image_height;
liq_attr_ptr attr(liq_attr_create());
liq_image_ptr image(
liq_image_create_rgba(attr.get(), image_buffer, image_width, image_height, 0));
liq_set_max_colors(attr.get(), num_colors);
auto res = liq_image_quantize(image.get(), attr.get());
liq_set_dithering_level(res.get(), dithering);
std::vector<uint8_t> image8bit(size);
std::vector<liq_color> result(size);
liq_write_remapped_image(res.get(), image.get(), image8bit.data(), image8bit.size());
auto pal = liq_get_palette(res.get());
attr = liq_attr_create();
image = liq_image_create_rgba(attr, image_buffer, image_width, image_height, 0);
liq_set_max_colors(attr, num_colors);
liq_image_quantize(image, attr, &res);
liq_set_dithering_level(res, dithering);
uint8_t* image8bit = (uint8_t*) malloc(size);
result = (uint8_t*) malloc(size * 4);
liq_write_remapped_image(res, image, image8bit, size);
const liq_palette *pal = liq_get_palette(res);
// Turn palletted image back into an RGBA image
for (int i = 0; i < size; i++) {
result[i] = pal->entries[image8bit[i]];
for(int i = 0; i < size; i++) {
result[i * 4 + 0] = pal->entries[image8bit[i]].r;
result[i * 4 + 1] = pal->entries[image8bit[i]].g;
result[i * 4 + 2] = pal->entries[image8bit[i]].b;
result[i * 4 + 3] = pal->entries[image8bit[i]].a;
}
return Uint8ClampedArray.new_(
typed_memory_view(result.size() * sizeof(liq_color), (const uint8_t*)result.data()));
free(image8bit);
liq_result_destroy(res);
liq_image_destroy(image);
liq_attr_destroy(attr);
return {
val(typed_memory_view(image_width*image_height*4, result)),
image_width,
image_height
};
}
const liq_color zx_colors[] = {
{.r = 0, .g = 0, .b = 0, .a = 255}, // regular black
{.r = 0, .g = 0, .b = 215, .a = 255}, // regular blue
{.r = 215, .g = 0, .b = 0, .a = 255}, // regular red
{.r = 215, .g = 0, .b = 215, .a = 255}, // regular magenta
{.r = 0, .g = 215, .b = 0, .a = 255}, // regular green
{.r = 0, .g = 215, .b = 215, .a = 255}, // regular cyan
{.r = 215, .g = 215, .b = 0, .a = 255}, // regular yellow
{.r = 215, .g = 215, .b = 215, .a = 255}, // regular white
{.r = 0, .g = 0, .b = 255, .a = 255}, // bright blue
{.r = 255, .g = 0, .b = 0, .a = 255}, // bright red
{.r = 255, .g = 0, .b = 255, .a = 255}, // bright magenta
{.r = 0, .g = 255, .b = 0, .a = 255}, // bright green
{.r = 0, .g = 255, .b = 255, .a = 255}, // bright cyan
{.r = 255, .g = 255, .b = 0, .a = 255}, // bright yellow
{.r = 255, .g = 255, .b = 255, .a = 255} // bright white
{.a = 255, .r = 0, .g = 0, .b = 0}, // regular black
{.a = 255, .r = 0, .g = 0, .b = 215}, // regular blue
{.a = 255, .r = 215, .g = 0, .b = 0}, // regular red
{.a = 255, .r = 215, .g = 0, .b = 215}, // regular magenta
{.a = 255, .r = 0, .g = 215, .b = 0}, // regular green
{.a = 255, .r = 0, .g = 215, .b = 215}, // regular cyan
{.a = 255, .r = 215, .g = 215, .b = 0}, // regular yellow
{.a = 255, .r = 215, .g = 215, .b = 215}, // regular white
{.a = 255, .r = 0, .g = 0, .b = 255}, // bright blue
{.a = 255, .r = 255, .g = 0, .b = 0}, // bright red
{.a = 255, .r = 255, .g = 0, .b = 255}, // bright magenta
{.a = 255, .r = 0, .g = 255, .b = 0}, // bright green
{.a = 255, .r = 0, .g = 255, .b = 255}, // bright cyan
{.a = 255, .r = 255, .g = 255, .b = 0}, // bright yellow
{.a = 255, .r = 255, .g = 255, .b = 255} // bright white
};
uint8_t block[8 * 8 * 4];
/**
* The ZX has one bit per pixel, but can assign two colours to an 8x8 block. The
* two colours must both be 'regular' or 'bright'. Black exists as both regular
* and bright.
* The ZX has one bit per pixel, but can assign two colours to an 8x8 block. The two colours must
* both be 'regular' or 'bright'. Black exists as both regular and bright.
*/
val zx_quantize(std::string rawimage, int image_width, int image_height, float dithering) {
auto image_buffer = (const liq_color*)rawimage.c_str();
RawImage zx_quantize(std::string rawimage, int image_width, int image_height, float dithering) {
const uint8_t* image_buffer = (uint8_t*) rawimage.c_str();
int size = image_width * image_height;
liq_color block[8 * 8];
uint8_t image8bit[8 * 8];
std::vector<liq_color> result(size);
int bytes_per_pixel = 4;
result = (uint8_t*) malloc(size * bytes_per_pixel);
uint8_t* image8bit = (uint8_t*) malloc(8 * 8);
// For each 8x8 grid
for (int block_start_y = 0; block_start_y < image_height; block_start_y += 8) {
@ -91,8 +99,7 @@ val zx_quantize(std::string rawimage, int image_width, int image_height, float d
int block_width = 8;
int block_height = 8;
// If the block hangs off the right/bottom of the image dimensions, make
// it smaller to fit.
// If the block hangs off the right/bottom of the image dimensions, make it smaller to fit.
if (block_start_y + block_height > image_height) {
block_height = image_height - block_start_y;
}
@ -104,22 +111,26 @@ val zx_quantize(std::string rawimage, int image_width, int image_height, float d
// For each pixel in that block:
for (int y = block_start_y; y < block_start_y + block_height; y++) {
for (int x = block_start_x; x < block_start_x + block_width; x++) {
int pixel_start = (y * image_width) + x;
int pixel_start = (y * image_width * bytes_per_pixel) + (x * bytes_per_pixel);
int smallest_distance = INT_MAX;
int winning_index = -1;
// Copy pixel data for quantizing later
block[block_index++] = image_buffer[pixel_start];
block[block_index++] = image_buffer[pixel_start + 1];
block[block_index++] = image_buffer[pixel_start + 2];
block[block_index++] = image_buffer[pixel_start + 3];
// Which zx color is this pixel closest to?
for (int color_index = 0; color_index < 15; color_index++) {
liq_color color = zx_colors[color_index];
liq_color pixel = image_buffer[pixel_start];
// Using Euclidean distance. LibQuant has better methods, but it
// requires conversion to LAB, so I don't think it's worth it.
// Using Euclidean distance. LibQuant has better methods, but it requires conversion to
// LAB, so I don't think it's worth it.
int distance =
pow(color.r - pixel.r, 2) + pow(color.g - pixel.g, 2) + pow(color.b - pixel.b, 2);
pow(color.r - image_buffer[pixel_start + 0], 2) +
pow(color.g - image_buffer[pixel_start + 1], 2) +
pow(color.b - image_buffer[pixel_start + 2], 2);
if (distance < smallest_distance) {
winning_index = color_index;
@ -140,8 +151,7 @@ val zx_quantize(std::string rawimage, int image_width, int image_height, float d
for (int color_index = 0; color_index < 15; color_index++) {
if (color_popularity[color_index] > highest_popularity) {
// Store this as the most popular pixel, and demote the current
// values:
// Store this as the most popular pixel, and demote the current values:
third_color_index = second_color_index;
third_highest_popularity = second_highest_popularity;
second_color_index = first_color_index;
@ -159,8 +169,8 @@ val zx_quantize(std::string rawimage, int image_width, int image_height, float d
}
}
// ZX images can't mix bright and regular colours, except black which
// appears in both. Resolve any conflict:
// ZX images can't mix bright and regular colours, except black which appears in both.
// Resolve any conflict:
while (1) {
// If either colour is black, there's no conflict to resolve.
if (first_color_index != 0 && second_color_index != 0) {
@ -173,44 +183,63 @@ val zx_quantize(std::string rawimage, int image_width, int image_height, float d
}
}
// If, during conflict resolving, we now have two of the same colour
// (because we initially selected the bright & regular version of the
// same colour), retry again with the third most popular colour.
// If, during conflict resolving, we now have two of the same colour (because we initially
// selected the bright & regular version of the same colour), retry again with the third
// most popular colour.
if (first_color_index == second_color_index) {
second_color_index = third_color_index;
} else
break;
} else break;
}
// Quantize
liq_attr_ptr attr(liq_attr_create());
liq_image_ptr image(liq_image_create_rgba(attr.get(), block, block_width, block_height, 0));
liq_set_max_colors(attr.get(), 2);
liq_image_add_fixed_color(image.get(), zx_colors[first_color_index]);
liq_image_add_fixed_color(image.get(), zx_colors[second_color_index]);
auto res = liq_image_quantize(image.get(), attr.get());
liq_set_dithering_level(res.get(), dithering);
liq_write_remapped_image(res.get(), image.get(), image8bit, size);
auto pal = liq_get_palette(res.get());
attr = liq_attr_create();
image = liq_image_create_rgba(attr, block, block_width, block_height, 0);
liq_set_max_colors(attr, 2);
liq_image_add_fixed_color(image, zx_colors[first_color_index]);
liq_image_add_fixed_color(image, zx_colors[second_color_index]);
liq_image_quantize(image, attr, &res);
liq_set_dithering_level(res, dithering);
liq_write_remapped_image(res, image, image8bit, size);
const liq_palette *pal = liq_get_palette(res);
// Turn palletted image back into an RGBA image, and write it into the
// full size result image.
for (int y = 0; y < block_height; y++) {
for (int x = 0; x < block_width; x++) {
// Turn palletted image back into an RGBA image, and write it into the full size result image.
for(int y = 0; y < block_height; y++) {
for(int x = 0; x < block_width; x++) {
int image8BitPos = y * block_width + x;
int resultStartPos = ((block_start_y + y) * image_width) + (block_start_x + x);
result[resultStartPos] = pal->entries[image8bit[image8BitPos]];
int resultStartPos = ((block_start_y + y) * bytes_per_pixel * image_width) + ((block_start_x + x) * bytes_per_pixel);
result[resultStartPos + 0] = pal->entries[image8bit[image8BitPos]].r;
result[resultStartPos + 1] = pal->entries[image8bit[image8BitPos]].g;
result[resultStartPos + 2] = pal->entries[image8bit[image8BitPos]].b;
result[resultStartPos + 3] = pal->entries[image8bit[image8BitPos]].a;
}
}
liq_result_destroy(res);
liq_image_destroy(image);
liq_attr_destroy(attr);
}
}
return Uint8ClampedArray.new_(
typed_memory_view(result.size() * sizeof(liq_color), (const uint8_t*)result.data()));
free(image8bit);
return {
val(typed_memory_view(image_width*image_height*4, result)),
image_width,
image_height
};
}
void free_result() {
free(result);
}
EMSCRIPTEN_BINDINGS(my_module) {
class_<RawImage>("RawImage")
.property("buffer", &RawImage::buffer)
.property("width", &RawImage::width)
.property("height", &RawImage::height);
function("quantize", &quantize);
function("zx_quantize", &zx_quantize);
function("version", &version);
function("free_result", &free_result);
}

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@ -1,6 +1,15 @@
interface RawImage {
buffer: Uint8Array;
width: number;
height: number;
}
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;
quantize(data: BufferSource, width: number, height: number, numColors: number, dither: number): RawImage;
zx_quantize(data: BufferSource, width: number, height: number, dither: number): RawImage;
free_result(): void;
}
export default function(opts: EmscriptenWasm.ModuleOpts): QuantizerModule;

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@ -1,6 +1,13 @@
{
"name": "imagequant",
"scripts": {
"build": "../build-cpp.sh"
"install": "napa",
"build": "docker run --rm -v $(pwd):/src trzeci/emscripten ./build.sh"
},
"napa": {
"libimagequant": "ImageOptim/libimagequant#2.12.1"
},
"devDependencies": {
"napa": "3.0.0"
}
}

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@ -1,13 +0,0 @@
import os
emsdk_path = "/emsdk/"
#NODE_JS = emsdk_path + '/node/12.18.1_64bit/bin/node'
# We need a newer version of Node that supports the most recent iteration of Wasm SIMD
# and need to enable that experimental support via flag so that autoconf can successfully
# detect SIMD support.
NODE_JS=["/root/.nvm/versions/node/v14.7.0/bin/node", "--experimental-wasm-simd"]
LLVM_ROOT = emsdk_path + '/upstream/bin'
BINARYEN_ROOT = emsdk_path + '/upstream'
EMSCRIPTEN_ROOT = emsdk_path + '/upstream/emscripten'
TEMP_DIR = emsdk_path + '/tmp'
COMPILER_ENGINE = NODE_JS
JS_ENGINES = [NODE_JS]

View File

@ -1,63 +0,0 @@
CODEC_URL := https://github.com/mozilla/mozjpeg/archive/v3.3.1.tar.gz
CODEC_DIR := node_modules/mozjpeg
CODEC_OUT_RELATIVE := .libs/libjpeg.a rdswitch.o
CODEC_OUT := $(addprefix $(CODEC_DIR)/, $(CODEC_OUT_RELATIVE))
OUT_JS := mozjpeg_enc_simd.js
OUT_WASM := $(OUT_JS:.js=.wasm)
CFLAGS += -msimd128 -msse --em-config /src/.emscripten
CXXFLAGS += -msimd128 -msse --em-config /src/.emscripten
#CFLAGS += --em-config /src/.emscripten
#CXXFLAGS += --em-config /src/.emscripten
.PHONY: all clean
all: $(OUT_JS)
%.js: %.cpp $(CODEC_OUT)
# We just to disable the overridden NODE_JS binary because
# `--closure 1` cant handle arrays in `.emscripten` it seems.
# https://github.com/emscripten-core/emsdk/issues/583
export EM_NODE_JS='/root/.nvm/versions/node/v14.7.0/bin/node' && \
$(CXX) \
-I $(CODEC_DIR) \
${CXXFLAGS} \
${LDFLAGS} \
--bind \
--closure 1 \
-s ALLOW_MEMORY_GROWTH=1 \
-s MODULARIZE=1 \
-s EXPORT_ES6=1 \
-s 'EXPORT_NAME="$(basename $(@F))"' \
-o $@ \
$+
# This one is a bit special: there is no rule for .libs/libjpeg.a
# so we use libjpeg.la which implicitly builds that one instead.
$(CODEC_DIR)/.libs/libjpeg.a: $(CODEC_DIR)/Makefile
$(MAKE) -C $(CODEC_DIR) libjpeg.la
$(CODEC_DIR)/rdswitch.o: $(CODEC_DIR)/Makefile
$(MAKE) -C $(CODEC_DIR) rdswitch.o
$(CODEC_DIR)/Makefile: $(CODEC_DIR)/configure
cd $(CODEC_DIR) && ./configure \
--disable-shared \
--without-turbojpeg \
--without-simd \
--without-arith-enc \
--without-arith-dec
$(CODEC_DIR)/configure: $(CODEC_DIR)/configure.ac
cd $(CODEC_DIR) && autoreconf -iv
$(CODEC_DIR)/configure.ac: $(CODEC_DIR)
$(CODEC_DIR):
mkdir -p $@
curl -sL $(CODEC_URL) | tar xz --strip 1 -C $@
clean:
$(RM) $(OUT_JS) $(OUT_WASM)
$(MAKE) -C $(CODEC_DIR) clean

View File

@ -17,6 +17,10 @@ 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:

View File

@ -1,62 +0,0 @@
import mozjpeg from "./mozjpeg_enc.js";
import mozjpegSimd from "./mozjpeg_enc_simd.js";
const width = 2048;
const height = 2048;
const size = width * height * 4;
const data = new Uint8ClampedArray(size);
for(let i = 0; i < size; i++) {
data[i] = Math.random() * 256;
}
mozjpeg({
onRuntimeInitialized() {
const start = performance.now();
const result = this.encode(data, width, 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 end = performance.now();
console.log("No SIMD", end - start);
}
})
mozjpegSimd({
onRuntimeInitialized() {
const start = performance.now();
const result = this.encode(data, width, 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 end = performance.now();
console.log("SIMD", end - start);
}
})

53
codecs/mozjpeg_enc/build.sh Executable file
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@ -0,0 +1,53 @@
#!/bin/bash
set -e
export OPTIMIZE="-Os"
export LDFLAGS="${OPTIMIZE}"
export CFLAGS="${OPTIMIZE}"
export CPPFLAGS="${OPTIMIZE}"
apt-get update
apt-get install -qqy autoconf libtool libpng-dev pkg-config
echo "============================================="
echo "Compiling mozjpeg"
echo "============================================="
(
cd node_modules/mozjpeg
autoreconf -fiv
emconfigure ./configure --without-simd
emmake make libjpeg.la
)
echo "============================================="
echo "Compiling mozjpeg done"
echo "============================================="
echo "============================================="
echo "Compiling wasm bindings"
echo "============================================="
(
emcc \
--bind \
${OPTIMIZE} \
-s WASM=1 \
-s ALLOW_MEMORY_GROWTH=1 \
-s MODULARIZE=1 \
-s 'EXPORT_NAME="mozjpeg_enc"' \
-I node_modules/mozjpeg \
-o ./mozjpeg_enc.js \
-Wno-deprecated-register \
-Wno-writable-strings \
node_modules/mozjpeg/rdswitch.c \
-x c++ -std=c++11 \
mozjpeg_enc.cpp \
node_modules/mozjpeg/.libs/libjpeg.a
)
echo "============================================="
echo "Compiling wasm bindings done"
echo "============================================="
echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
echo "Did you update your docker image?"
echo "Run \`docker pull trzeci/emscripten\`"
echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

View File

@ -1,14 +1,26 @@
<!doctype html>
<script src='mozjpeg_enc.js'></script>
<script>
const module = mozjpeg_enc({
loadFile() {
return "./mozjpeg_enc.wasm";
},
async onRuntimeInitialized() {
//console.log('Version:', module.version().toString(16));
const module = mozjpeg_enc();
async function loadImage(src) {
// Load image
const img = document.createElement('img');
img.src = src;
await new Promise(resolve => img.onload = resolve);
// Make canvas same size as image
const canvas = document.createElement('canvas');
[canvas.width, canvas.height] = [img.width, img.height];
// Draw image onto canvas
const ctx = canvas.getContext('2d');
ctx.drawImage(img, 0, 0);
return ctx.getImageData(0, 0, img.width, img.height);
}
module.onRuntimeInitialized = async _ => {
console.log('Version:', module.version().toString(16));
const image = await loadImage('../example.png');
const result = this.encode(image.data, image.width, image.height, {
const result = module.encode(image.data, image.width, image.height, {
quality: 75,
baseline: false,
arithmetic: false,
@ -32,21 +44,5 @@
const img = document.createElement('img');
img.src = blobURL;
document.body.appendChild(img);
}
});
async function loadImage(src) {
// Load image
const img = document.createElement('img');
img.src = src;
await new Promise(resolve => img.onload = resolve);
// Make canvas same size as image
const canvas = document.createElement('canvas');
[canvas.width, canvas.height] = [img.width, img.height];
// Draw image onto canvas
const ctx = canvas.getContext('2d');
ctx.drawImage(img, 0, 0);
return ctx.getImageData(0, 0, img.width, img.height);
}
};
</script>

View File

@ -1,22 +1,18 @@
#include <emscripten/bind.h>
#include <emscripten/val.h>
#include <inttypes.h>
#include <setjmp.h>
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <stdio.h>
#include <setjmp.h>
#include <string.h>
#include "config.h"
#include "jpeglib.h"
extern "C" {
#include "cdjpeg.h"
}
using namespace emscripten;
// MozJPEG doesnt expose a numeric version, so I have to do some fun C macro
// hackery to turn it into a string. More details here:
// https://gcc.gnu.org/onlinedocs/cpp/Stringizing.html
// MozJPEG doesnt expose a numeric version, so I have to do some fun C macro hackery to turn it
// into a string. More details here: https://gcc.gnu.org/onlinedocs/cpp/Stringizing.html
#define xstr(s) str(s)
#define str(s) #s
@ -43,8 +39,8 @@ int version() {
char buffer[] = xstr(MOZJPEG_VERSION);
int version = 0;
int last_index = 0;
for (int i = 0; i < strlen(buffer); i++) {
if (buffer[i] == '.') {
for(int i = 0; i < strlen(buffer); i++) {
if(buffer[i] == '.') {
buffer[i] = '\0';
version = version << 8 | atoi(&buffer[last_index]);
buffer[i] = '.';
@ -55,16 +51,16 @@ int version() {
return version;
}
thread_local const val Uint8Array = val::global("Uint8Array");
uint8_t* last_result;
struct jpeg_compress_struct cinfo;
val encode(std::string image_in, int image_width, int image_height, MozJpegOptions opts) {
uint8_t* image_buffer = (uint8_t*)image_in.c_str();
uint8_t* image_buffer = (uint8_t*) image_in.c_str();
// The code below is basically the `write_JPEG_file` function from
// 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).
@ -72,7 +68,6 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
* 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
@ -81,7 +76,15 @@ 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.
*/
jpeg_error_mgr jerr;
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 */
/* 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
@ -103,8 +106,6 @@ 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 = nullptr;
unsigned long size = 0;
jpeg_mem_dest(&cinfo, &output, &size);
/* Step 3: set parameters for compression */
@ -112,17 +113,17 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
/* First we supply a description of the input image.
* Four fields of the cinfo struct must be filled in:
*/
cinfo.image_width = image_width; /* image width and height, in pixels */
cinfo.image_width = image_width; /* image width and height, in pixels */
cinfo.image_height = image_height;
cinfo.input_components = 4; /* # of color components per pixel */
cinfo.in_color_space = JCS_EXT_RGBA; /* colorspace of input image */
cinfo.input_components = 4; /* # of color components per pixel */
cinfo.in_color_space = JCS_EXT_RGBA; /* colorspace of input image */
/* Now use the library's routine to set default compression parameters.
* (You must set at least cinfo.in_color_space before calling this,
* since the defaults depend on the source color space.)
*/
jpeg_set_defaults(&cinfo);
jpeg_set_colorspace(&cinfo, (J_COLOR_SPACE)opts.color_space);
jpeg_set_colorspace(&cinfo, (J_COLOR_SPACE) opts.color_space);
if (opts.quant_table != -1) {
jpeg_c_set_int_param(&cinfo, JINT_BASE_QUANT_TBL_IDX, opts.quant_table);
@ -142,17 +143,17 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
jpeg_c_set_bool_param(&cinfo, JBOOLEAN_TRELLIS_Q_OPT, opts.trellis_opt_table);
jpeg_c_set_int_param(&cinfo, JINT_TRELLIS_NUM_LOOPS, opts.trellis_loops);
// A little hacky to build a string for this, but it means we can use
// set_quality_ratings which does some useful heuristic stuff.
// A little hacky to build a string for this, but it means we can use set_quality_ratings which
// does some useful heuristic stuff.
std::string quality_str = std::to_string(opts.quality);
if (opts.separate_chroma_quality && opts.color_space == JCS_YCbCr) {
quality_str += "," + std::to_string(opts.chroma_quality);
}
char const* pqual = quality_str.c_str();
char const *pqual = quality_str.c_str();
set_quality_ratings(&cinfo, (char*)pqual, opts.baseline);
set_quality_ratings(&cinfo, (char*) pqual, opts.baseline);
if (!opts.auto_subsample && opts.color_space == JCS_YCbCr) {
cinfo.comp_info[0].h_samp_factor = opts.chroma_subsample;
@ -180,54 +181,54 @@ 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.
*/
int row_stride = image_width * 4; /* JSAMPLEs per row in image_buffer */
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.
*/
JSAMPROW row_pointer =
&image_buffer[cinfo.next_scanline * row_stride]; /* pointer to JSAMPLE row[s] */
(void)jpeg_write_scanlines(&cinfo, &row_pointer, 1);
row_pointer[0] = & image_buffer[cinfo.next_scanline * row_stride];
(void) jpeg_write_scanlines(&cinfo, row_pointer, 1);
}
/* Step 6: Finish compression */
jpeg_finish_compress(&cinfo);
/* Step 7: release JPEG compression object */
auto js_result = Uint8Array.new_(typed_memory_view(size, output));
/* This is an important step since it will release a good deal of memory. */
jpeg_destroy_compress(&cinfo);
free(output);
last_result = output;
/* And we're done! */
return js_result;
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);
}
EMSCRIPTEN_BINDINGS(my_module) {
value_object<MozJpegOptions>("MozJpegOptions")
.field("quality", &MozJpegOptions::quality)
.field("baseline", &MozJpegOptions::baseline)
.field("arithmetic", &MozJpegOptions::arithmetic)
.field("progressive", &MozJpegOptions::progressive)
.field("optimize_coding", &MozJpegOptions::optimize_coding)
.field("smoothing", &MozJpegOptions::smoothing)
.field("color_space", &MozJpegOptions::color_space)
.field("quant_table", &MozJpegOptions::quant_table)
.field("trellis_multipass", &MozJpegOptions::trellis_multipass)
.field("trellis_opt_zero", &MozJpegOptions::trellis_opt_zero)
.field("trellis_opt_table", &MozJpegOptions::trellis_opt_table)
.field("trellis_loops", &MozJpegOptions::trellis_loops)
.field("chroma_subsample", &MozJpegOptions::chroma_subsample)
.field("auto_subsample", &MozJpegOptions::auto_subsample)
.field("separate_chroma_quality", &MozJpegOptions::separate_chroma_quality)
.field("chroma_quality", &MozJpegOptions::chroma_quality);
.field("quality", &MozJpegOptions::quality)
.field("baseline", &MozJpegOptions::baseline)
.field("arithmetic", &MozJpegOptions::arithmetic)
.field("progressive", &MozJpegOptions::progressive)
.field("optimize_coding", &MozJpegOptions::optimize_coding)
.field("smoothing", &MozJpegOptions::smoothing)
.field("color_space", &MozJpegOptions::color_space)
.field("quant_table", &MozJpegOptions::quant_table)
.field("trellis_multipass", &MozJpegOptions::trellis_multipass)
.field("trellis_opt_zero", &MozJpegOptions::trellis_opt_zero)
.field("trellis_opt_table", &MozJpegOptions::trellis_opt_table)
.field("trellis_loops", &MozJpegOptions::trellis_loops)
.field("chroma_subsample", &MozJpegOptions::chroma_subsample)
.field("auto_subsample", &MozJpegOptions::auto_subsample)
.field("separate_chroma_quality", &MozJpegOptions::separate_chroma_quality)
.field("chroma_quality", &MozJpegOptions::chroma_quality)
;
function("version", &version);
function("encode", &encode);
function("free_result", &free_result);
}

View File

@ -2,6 +2,7 @@ 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;

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@ -1,6 +1,13 @@
{
"name": "mozjpeg_enc",
"scripts": {
"build": "../build-cpp.sh"
"install": "napa",
"build": "docker run --rm -v $(pwd):/src trzeci/emscripten ./build.sh"
},
"napa": {
"mozjpeg": "mozilla/mozjpeg#v3.3.1"
},
"devDependencies": {
"napa": "3.0.0"
}
}

2
codecs/optipng/.gitignore vendored Normal file
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@ -0,0 +1,2 @@
build/
*.o

26
codecs/optipng/README.md Normal file
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@ -0,0 +1,26 @@
# OptiPNG
- Source: <http://optipng.sourceforge.net/>
- Version: v0.7.7
## Dependencies
- Docker
## Example
See `example.html`
## API
### `int version()`
Returns the version of optipng as a number. va.b.c is encoded as 0x0a0b0c
### `ArrayBuffer compress(std::string buffer, {level})`;
`compress` will re-compress the given PNG image via `buffer`. `level` is a number between 0 and 7.
### `void free_result()`
Frees the result created by `compress()`.

87
codecs/optipng/build.sh Executable file
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@ -0,0 +1,87 @@
#!/bin/bash
set -e
export OPTIMIZE="-Os"
export PREFIX="/src/build"
export CFLAGS="${OPTIMIZE} -I${PREFIX}/include/"
export CPPFLAGS="${OPTIMIZE} -I${PREFIX}/include/"
export LDFLAGS="${OPTIMIZE} -L${PREFIX}/lib/"
apt-get update
apt-get install -qqy autoconf libtool
echo "============================================="
echo "Compiling zlib"
echo "============================================="
test -n "$SKIP_ZLIB" || (
cd node_modules/zlib
emconfigure ./configure --prefix=${PREFIX}/
emmake make
emmake make install
)
echo "============================================="
echo "Compiling zlib done"
echo "============================================="
echo "============================================="
echo "Compiling libpng"
echo "============================================="
test -n "$SKIP_LIBPNG" || (
cd node_modules/libpng
autoreconf -i
emconfigure ./configure --with-zlib-prefix=${PREFIX}/ --prefix=${PREFIX}/
emmake make
emmake make install
)
echo "============================================="
echo "Compiling libpng done"
echo "============================================="
echo "============================================="
echo "Compiling optipng"
echo "============================================="
(
emcc \
${OPTIMIZE} \
-Wno-implicit-function-declaration \
-I ${PREFIX}/include \
-I node_modules/optipng/src/opngreduc \
-I node_modules/optipng/src/pngxtern \
-I node_modules/optipng/src/cexcept \
-I node_modules/optipng/src/gifread \
-I node_modules/optipng/src/pnmio \
-I node_modules/optipng/src/minitiff \
--std=c99 -c \
node_modules/optipng/src/opngreduc/*.c \
node_modules/optipng/src/pngxtern/*.c \
node_modules/optipng/src/gifread/*.c \
node_modules/optipng/src/minitiff/*.c \
node_modules/optipng/src/pnmio/*.c \
node_modules/optipng/src/optipng/*.c
emcc \
--bind \
${OPTIMIZE} \
-s ALLOW_MEMORY_GROWTH=1 -s MODULARIZE=1 -s 'EXPORT_NAME="optipng"' \
-I ${PREFIX}/include \
-I node_modules/optipng/src/opngreduc \
-I node_modules/optipng/src/pngxtern \
-I node_modules/optipng/src/cexcept \
-I node_modules/optipng/src/gifread \
-I node_modules/optipng/src/pnmio \
-I node_modules/optipng/src/minitiff \
-o "optipng.js" \
--std=c++11 \
optipng.cpp \
*.o \
${PREFIX}/lib/libz.so ${PREFIX}/lib/libpng.a
)
echo "============================================="
echo "Compiling optipng done"
echo "============================================="
echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
echo "Did you update your docker image?"
echo "Run \`docker pull trzeci/emscripten\`"
echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

View File

@ -0,0 +1,19 @@
<!doctype html>
<script src='optipng.js'></script>
<script>
const Module = optipng();
Module.onRuntimeInitialized = async _ => {
console.log('Version:', Module.version().toString(16));
const image = await fetch('../example_palette.png').then(r => r.arrayBuffer());
const newImage = Module.compress(image, {level: 3});
console.log('done');
Module.free_result();
console.log(`Old size: ${image.byteLength}, new size: ${newImage.byteLength} (${newImage.byteLength/image.byteLength*100}%)`);
const blobURL = URL.createObjectURL(new Blob([newImage], {type: 'image/png'}));
const img = document.createElement('img');
img.src = blobURL;
document.body.appendChild(img);
};
</script>

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@ -0,0 +1,53 @@
#include "emscripten/bind.h"
#include "emscripten/val.h"
#include <stdio.h>
using namespace emscripten;
extern "C" int main(int argc, char *argv[]);
int version() {
// FIXME (@surma): Havent found a version in optipng :(
return 0;
}
struct OptiPngOpts {
int level;
};
uint8_t* result;
val compress(std::string png, OptiPngOpts opts) {
remove("input.png");
remove("output.png");
FILE* infile = fopen("input.png", "wb");
fwrite(png.c_str(), png.length(), 1, infile);
fflush(infile);
fclose(infile);
char optlevel[8];
sprintf(&optlevel[0], "-o%d", opts.level);
char* args[] = {"optipng", optlevel, "-out", "output.png", "input.png"};
main(5, args);
FILE *outfile = fopen("output.png", "rb");
fseek(outfile, 0, SEEK_END);
int fsize = ftell(outfile);
result = (uint8_t*) malloc(fsize);
fseek(outfile, 0, SEEK_SET);
fread(result, fsize, 1, outfile);
return val(typed_memory_view(fsize, result));
}
void free_result() {
free(result);
}
EMSCRIPTEN_BINDINGS(my_module) {
value_object<OptiPngOpts>("OptiPngOpts")
.field("level", &OptiPngOpts::level);
function("version", &version);
function("compress", &compress);
function("free_result", &free_result);
}

10
codecs/optipng/optipng.d.ts vendored Normal file
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@ -0,0 +1,10 @@
import {EncodeOptions} from "src/codecs/optipng/encoder";
export interface OptiPngModule extends EmscriptenWasm.Module {
compress(data: BufferSource, opts: EncodeOptions): Uint8Array;
free_result(): void;
}
export default function(opts: EmscriptenWasm.ModuleOpts): OptiPngModule;

24
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@ -0,0 +1,22 @@
{
"name": "optipng",
"scripts": {
"install": "tar-dependency install && napa",
"build": "npm run build:wasm",
"build:wasm": "docker run --rm -v $(pwd):/src -e SKIP_ZLIB=\"${SKIP_ZLIB}\" -e SKIP_LIBPNG=\"${SKIP_LIBPNG}\" trzeci/emscripten ./build.sh"
},
"tarDependencies": {
"node_modules/optipng": {
"url": "https://netcologne.dl.sourceforge.net/project/optipng/OptiPNG/optipng-0.7.7/optipng-0.7.7.tar.gz",
"strip": 1
}
},
"napa": {
"libpng": "emscripten-ports/libpng",
"zlib": "emscripten-ports/zlib"
},
"dependencies": {
"napa": "3.0.0",
"tar-dependency": "0.0.3"
}
}

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@ -1 +0,0 @@
/target

496
codecs/oxipng/Cargo.lock generated
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@ -1,496 +0,0 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
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@ -1,18 +0,0 @@
[package]
name = "squoosh-oxipng"
version = "0.1.0"
authors = ["Ingvar Stepanyan <me@rreverser.com>"]
edition = "2018"
publish = false
[lib]
crate-type = ["cdylib"]
[dependencies]
oxipng = { version = "3.0.0", default-features = false }
wasm-bindgen = "0.2.64"
log = { version = "0.4", features = ["release_max_level_off"] }
[profile.release]
lto = true
opt-level = "s"

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@ -1,12 +0,0 @@
FROM rust
RUN rustup target add wasm32-unknown-unknown
RUN curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
RUN mkdir /opt/wabt && \
curl -L https://github.com/WebAssembly/wabt/releases/download/1.0.17/wabt-1.0.17-ubuntu.tar.gz | tar -xzf - -C /opt/wabt --strip 1
RUN mkdir /opt/wasi-sdk && \
curl -L https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-11/wasi-sdk-11.0-linux.tar.gz | tar -xzf - -C /opt/wasi-sdk --strip 1
ENV PATH="/opt/wabt/bin:/opt/wasi-sdk/bin:${PATH}"
WORKDIR /src

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@ -1,4 +0,0 @@
{
"name": "oxipng",
"lockfileVersion": 1
}

View File

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

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@ -1,15 +0,0 @@
{
"name": "squoosh-oxipng",
"collaborators": [
"Ingvar Stepanyan <me@rreverser.com>"
],
"version": "0.1.0",
"files": [
"squoosh_oxipng_bg.wasm",
"squoosh_oxipng.js",
"squoosh_oxipng.d.ts"
],
"module": "squoosh_oxipng.js",
"types": "squoosh_oxipng.d.ts",
"sideEffects": false
}

View File

@ -1,8 +0,0 @@
/* tslint:disable */
/* eslint-disable */
/**
* @param {Uint8Array} data
* @param {number} level
* @returns {Uint8Array}
*/
export function optimise(data: Uint8Array, level: number): Uint8Array;

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@ -1,2 +0,0 @@
import * as wasm from "./squoosh_oxipng_bg.wasm";
export * from "./squoosh_oxipng_bg.js";

View File

@ -1,8 +0,0 @@
/* tslint:disable */
/* eslint-disable */
export const memory: WebAssembly.Memory;
export function optimise(a: number, b: number, c: number, d: number): void;
export function malloc(a: number): number;
export function free(a: number): void;
export function __wbindgen_malloc(a: number): number;
export function __wbindgen_free(a: number, b: number): void;

View File

@ -1,60 +0,0 @@
import * as wasm from './squoosh_oxipng_bg.wasm';
const lTextDecoder = typeof TextDecoder === 'undefined' ? (0, module.require)('util').TextDecoder : TextDecoder;
let cachedTextDecoder = new lTextDecoder('utf-8', { ignoreBOM: true, fatal: true });
cachedTextDecoder.decode();
let cachegetUint8Memory0 = null;
function getUint8Memory0() {
if (cachegetUint8Memory0 === null || cachegetUint8Memory0.buffer !== wasm.memory.buffer) {
cachegetUint8Memory0 = new Uint8Array(wasm.memory.buffer);
}
return cachegetUint8Memory0;
}
function getStringFromWasm0(ptr, len) {
return cachedTextDecoder.decode(getUint8Memory0().subarray(ptr, ptr + len));
}
let WASM_VECTOR_LEN = 0;
function passArray8ToWasm0(arg, malloc) {
const ptr = malloc(arg.length * 1);
getUint8Memory0().set(arg, ptr / 1);
WASM_VECTOR_LEN = arg.length;
return ptr;
}
let cachegetInt32Memory0 = null;
function getInt32Memory0() {
if (cachegetInt32Memory0 === null || cachegetInt32Memory0.buffer !== wasm.memory.buffer) {
cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer);
}
return cachegetInt32Memory0;
}
function getArrayU8FromWasm0(ptr, len) {
return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
}
/**
* @param {Uint8Array} data
* @param {number} level
* @returns {Uint8Array}
*/
export function optimise(data, level) {
var ptr0 = passArray8ToWasm0(data, wasm.__wbindgen_malloc);
var len0 = WASM_VECTOR_LEN;
wasm.optimise(8, ptr0, len0, level);
var r0 = getInt32Memory0()[8 / 4 + 0];
var r1 = getInt32Memory0()[8 / 4 + 1];
var v1 = getArrayU8FromWasm0(r0, r1).slice();
wasm.__wbindgen_free(r0, r1 * 1);
return v1;
}
export const __wbindgen_throw = function(arg0, arg1) {
throw new Error(getStringFromWasm0(arg0, arg1));
};

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@ -1,18 +0,0 @@
mod malloc_shim;
use wasm_bindgen::prelude::*;
use oxipng::AlphaOptim;
#[wasm_bindgen(catch)]
pub fn optimise(data: &[u8], level: u8) -> Vec<u8> {
let mut options = oxipng::Options::from_preset(level);
options.alphas.insert(AlphaOptim::Black);
options.alphas.insert(AlphaOptim::White);
options.alphas.insert(AlphaOptim::Up);
options.alphas.insert(AlphaOptim::Down);
options.alphas.insert(AlphaOptim::Left);
options.alphas.insert(AlphaOptim::Right);
options.deflate = oxipng::Deflaters::Libdeflater;
oxipng::optimize_from_memory(data, &options).unwrap_throw()
}

View File

@ -1,47 +0,0 @@
//! This is a module that provides `malloc` and `free` for `libdeflate`.
//! These implementations are compatible with the standard signatures
//! but use Rust allocator instead of including libc one as well.
//!
//! Rust allocator APIs requires passing size and alignment to the
//! `dealloc` function. This is different from C API, which only
//! expects a pointer in `free` and expects allocators to take care of
//! storing any necessary information elsewhere.
//!
//! In order to simulate C API, we allocate a `size_and_data_ptr`
//! of size `sizeof(usize) + size` where `size` is the requested number
//! of bytes. Then, we store `size` at the beginning of the allocated
//! chunk (within those `sizeof(usize)` bytes) and return
//! `data_ptr = size_and_data_ptr + sizeof(usize)` to the calleer:
//!
//! [`size`][...actual data]
//! -^------------------ `size_and_data_ptr`
//! ---------^---------- `data_ptr`
//!
//! Then, in `free`, the caller gives us `data_ptr`. We can subtract
//! `sizeof(usize)` back and get the original `size_and_data_ptr`.
//! At this point we can read `size` back and call the Rust `dealloc`
//! for the whole allocated chunk.
//!
//! I've raised an upstream issue to hopefully make this easier in
//! future: https://github.com/ebiggers/libdeflate/issues/62
use std::alloc::*;
use std::mem::{align_of, size_of};
unsafe fn layout_for(size: usize) -> Layout {
Layout::from_size_align_unchecked(size_of::<usize>() + size, align_of::<usize>())
}
#[no_mangle]
pub unsafe extern "C" fn malloc(size: usize) -> *mut u8 {
let size_and_data_ptr = alloc(layout_for(size));
*(size_and_data_ptr as *mut usize) = size;
size_and_data_ptr.add(size_of::<usize>())
}
#[no_mangle]
pub unsafe extern "C" fn free(data_ptr: *mut u8) {
let size_and_data_ptr = data_ptr.sub(size_of::<usize>());
let size = *(size_and_data_ptr as *const usize);
dealloc(size_and_data_ptr, layout_for(size))
}

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@ -1,5 +1,6 @@
**/*.rs.bk
target
Cargo.lock
bin/
pkg/README.md
lut.inc

284
codecs/resize/Cargo.lock generated
View File

@ -1,284 +0,0 @@
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# It is not intended for manual editing.
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name = "winapi"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "winapi-i686-pc-windows-gnu"
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View File

@ -1,8 +1,7 @@
[package]
name = "squoosh-resize"
name = "squooshresize"
version = "0.1.0"
authors = ["Surma <surma@surma.link>"]
publish = false
[lib]
#crate-type = ["cdylib", "rlib"]

18
codecs/resize/Dockerfile Normal file
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@ -0,0 +1,18 @@
FROM ubuntu
RUN apt-get update && \
apt-get install -qqy git build-essential cmake python2.7
RUN git clone --recursive https://github.com/WebAssembly/wabt /usr/src/wabt
RUN mkdir -p /usr/src/wabt/build
WORKDIR /usr/src/wabt/build
RUN cmake .. -DCMAKE_INSTALL_PREFIX=/opt/wabt && \
make && \
make install
FROM rust
RUN rustup install nightly && \
rustup target add --toolchain nightly wasm32-unknown-unknown && \
cargo install wasm-pack
COPY --from=0 /opt/wabt /opt/wabt
ENV PATH="/opt/wabt/bin:${PATH}"
WORKDIR /src

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@ -0,0 +1,53 @@
// THIS IS NOT A NODE SCRIPT
// This is a d8 script. Please install jsvu[1] and install v8.
// Then run `npm run --silent benchmark`.
// [1]: https://github.com/GoogleChromeLabs/jsvu
self = global = this;
load("./pkg/resize.js");
async function init() {
// Adjustable constants.
const inputDimensions = 2000;
const outputDimensions = 1500;
const algorithm = 3; // Lanczos
const iterations = new Array(100);
// Constants. Dont change.
const imageByteSize = inputDimensions * inputDimensions * 4;
const imageBuffer = new Uint8ClampedArray(imageByteSize);
const module = await WebAssembly.compile(readbuffer("./pkg/resize_bg.wasm"));
await wasm_bindgen(module);
[[false, false], [true, false], [false, true], [true, true]].forEach(
opts => {
print(`\npremultiplication: ${opts[0]}`);
print(`color space conversion: ${opts[1]}`);
print(`==============================`);
for (let i = 0; i < 100; i++) {
const start = Date.now();
wasm_bindgen.resize(
imageBuffer,
inputDimensions,
inputDimensions,
outputDimensions,
outputDimensions,
algorithm,
...opts
);
iterations[i] = Date.now() - start;
}
const average =
iterations.reduce((sum, c) => sum + c) / iterations.length;
const stddev = Math.sqrt(
iterations
.map(i => Math.pow(i - average, 2))
.reduce((sum, c) => sum + c) / iterations.length
);
print(`n = ${iterations.length}`);
print(`Average: ${average}`);
print(`StdDev: ${stddev}`);
}
);
}
init().catch(e => console.error(e, e.stack));

22
codecs/resize/build.sh Executable file
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@ -0,0 +1,22 @@
#!/bin/bash
set -e
echo "============================================="
echo "Compiling wasm"
echo "============================================="
(
rustup run nightly \
wasm-pack build --target no-modules
wasm-strip pkg/resize_bg.wasm
)
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-resize .\`"
echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

View File

@ -1,6 +1,8 @@
{
"name": "resize",
"scripts": {
"build": "../build-rust.sh"
"build:image": "docker build -t squoosh-resize .",
"build": "docker run --rm -v $(pwd):/src squoosh-resize ./build.sh",
"benchmark": "v8 --no-liftoff --no-wasm-tier-up ./benchmark.js"
}
}

View File

@ -1,15 +0,0 @@
{
"name": "squoosh-resize",
"collaborators": [
"Surma <surma@surma.link>"
],
"version": "0.1.0",
"files": [
"squoosh_resize_bg.wasm",
"squoosh_resize.js",
"squoosh_resize.d.ts"
],
"module": "squoosh_resize.js",
"types": "squoosh_resize.d.ts",
"sideEffects": false
}

13
codecs/resize/pkg/resize.d.ts vendored Normal file
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@ -0,0 +1,13 @@
/* tslint:disable */
/**
* @param {Uint8Array} arg0
* @param {number} arg1
* @param {number} arg2
* @param {number} arg3
* @param {number} arg4
* @param {number} arg5
* @param {boolean} arg6
* @param {boolean} arg7
* @returns {Uint8Array}
*/
export function resize(arg0: Uint8Array, arg1: number, arg2: number, arg3: number, arg4: number, arg5: number, arg6: boolean, arg7: boolean): Uint8Array;

114
codecs/resize/pkg/resize.js Normal file
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@ -0,0 +1,114 @@
(function() {
var wasm;
const __exports = {};
let cachegetUint8Memory = null;
function getUint8Memory() {
if (cachegetUint8Memory === null || cachegetUint8Memory.buffer !== wasm.memory.buffer) {
cachegetUint8Memory = new Uint8Array(wasm.memory.buffer);
}
return cachegetUint8Memory;
}
let WASM_VECTOR_LEN = 0;
function passArray8ToWasm(arg) {
const ptr = wasm.__wbindgen_malloc(arg.length * 1);
getUint8Memory().set(arg, ptr / 1);
WASM_VECTOR_LEN = arg.length;
return ptr;
}
function getArrayU8FromWasm(ptr, len) {
return getUint8Memory().subarray(ptr / 1, ptr / 1 + len);
}
let cachedGlobalArgumentPtr = null;
function globalArgumentPtr() {
if (cachedGlobalArgumentPtr === null) {
cachedGlobalArgumentPtr = wasm.__wbindgen_global_argument_ptr();
}
return cachedGlobalArgumentPtr;
}
let cachegetUint32Memory = null;
function getUint32Memory() {
if (cachegetUint32Memory === null || cachegetUint32Memory.buffer !== wasm.memory.buffer) {
cachegetUint32Memory = new Uint32Array(wasm.memory.buffer);
}
return cachegetUint32Memory;
}
/**
* @param {Uint8Array} arg0
* @param {number} arg1
* @param {number} arg2
* @param {number} arg3
* @param {number} arg4
* @param {number} arg5
* @param {boolean} arg6
* @param {boolean} arg7
* @returns {Uint8Array}
*/
__exports.resize = function(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7) {
const ptr0 = passArray8ToWasm(arg0);
const len0 = WASM_VECTOR_LEN;
const retptr = globalArgumentPtr();
wasm.resize(retptr, ptr0, len0, arg1, arg2, arg3, arg4, arg5, arg6, arg7);
const mem = getUint32Memory();
const rustptr = mem[retptr / 4];
const rustlen = mem[retptr / 4 + 1];
const realRet = getArrayU8FromWasm(rustptr, rustlen).slice();
wasm.__wbindgen_free(rustptr, rustlen * 1);
return realRet;
};
const heap = new Array(32);
heap.fill(undefined);
heap.push(undefined, null, true, false);
let heap_next = heap.length;
function dropObject(idx) {
if (idx < 36) return;
heap[idx] = heap_next;
heap_next = idx;
}
__exports.__wbindgen_object_drop_ref = function(i) { dropObject(i); };
function init(path_or_module) {
let instantiation;
const imports = { './resize': __exports };
if (path_or_module instanceof WebAssembly.Module) {
instantiation = WebAssembly.instantiate(path_or_module, imports)
.then(instance => {
return { instance, module: path_or_module }
});
} else {
const data = fetch(path_or_module);
if (typeof WebAssembly.instantiateStreaming === 'function') {
instantiation = WebAssembly.instantiateStreaming(data, imports)
.catch(e => {
console.warn("`WebAssembly.instantiateStreaming` failed. Assuming this is because your server does not serve wasm with `application/wasm` MIME type. Falling back to `WebAssembly.instantiate` which is slower. Original error:\n", e);
return data
.then(r => r.arrayBuffer())
.then(bytes => WebAssembly.instantiate(bytes, imports));
});
} else {
instantiation = data
.then(response => response.arrayBuffer())
.then(buffer => WebAssembly.instantiate(buffer, imports));
}
}
return instantiation.then(({instance}) => {
wasm = init.wasm = instance.exports;
});
};
self.wasm_bindgen = Object.assign(init, __exports);
})();

View File

@ -1,6 +1,6 @@
/* tslint:disable */
/* eslint-disable */
export const memory: WebAssembly.Memory;
export function resize(a: number, b: number, c: number, d: number, e: number, f: number, g: number, h: number, i: number, j: number): void;
export function __wbindgen_global_argument_ptr(): number;
export function __wbindgen_malloc(a: number): number;
export function __wbindgen_free(a: number, b: number): void;
export function resize(a: number, b: number, c: number, d: number, e: number, f: number, g: number, h: number, i: number, j: number): void;

Binary file not shown.

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@ -1,14 +0,0 @@
/* tslint:disable */
/* eslint-disable */
/**
* @param {Uint8Array} input_image
* @param {number} input_width
* @param {number} input_height
* @param {number} output_width
* @param {number} output_height
* @param {number} typ_idx
* @param {boolean} premultiply
* @param {boolean} color_space_conversion
* @returns {Uint8Array}
*/
export function resize(input_image: Uint8Array, input_width: number, input_height: number, output_width: number, output_height: number, typ_idx: number, premultiply: boolean, color_space_conversion: boolean): Uint8Array;

View File

@ -1,2 +0,0 @@
import * as wasm from "./squoosh_resize_bg.wasm";
export * from "./squoosh_resize_bg.js";

View File

@ -1,52 +0,0 @@
import * as wasm from './squoosh_resize_bg.wasm';
let cachegetUint8Memory0 = null;
function getUint8Memory0() {
if (cachegetUint8Memory0 === null || cachegetUint8Memory0.buffer !== wasm.memory.buffer) {
cachegetUint8Memory0 = new Uint8Array(wasm.memory.buffer);
}
return cachegetUint8Memory0;
}
let WASM_VECTOR_LEN = 0;
function passArray8ToWasm0(arg, malloc) {
const ptr = malloc(arg.length * 1);
getUint8Memory0().set(arg, ptr / 1);
WASM_VECTOR_LEN = arg.length;
return ptr;
}
let cachegetInt32Memory0 = null;
function getInt32Memory0() {
if (cachegetInt32Memory0 === null || cachegetInt32Memory0.buffer !== wasm.memory.buffer) {
cachegetInt32Memory0 = new Int32Array(wasm.memory.buffer);
}
return cachegetInt32Memory0;
}
function getArrayU8FromWasm0(ptr, len) {
return getUint8Memory0().subarray(ptr / 1, ptr / 1 + len);
}
/**
* @param {Uint8Array} input_image
* @param {number} input_width
* @param {number} input_height
* @param {number} output_width
* @param {number} output_height
* @param {number} typ_idx
* @param {boolean} premultiply
* @param {boolean} color_space_conversion
* @returns {Uint8Array}
*/
export function resize(input_image, input_width, input_height, output_width, output_height, typ_idx, premultiply, color_space_conversion) {
var ptr0 = passArray8ToWasm0(input_image, wasm.__wbindgen_malloc);
var len0 = WASM_VECTOR_LEN;
wasm.resize(8, ptr0, len0, input_width, input_height, output_width, output_height, typ_idx, premultiply, color_space_conversion);
var r0 = getInt32Memory0()[8 / 4 + 0];
var r1 = getInt32Memory0()[8 / 4 + 1];
var v1 = getArrayU8FromWasm0(r0, r1).slice();
wasm.__wbindgen_free(r0, r1 * 1);
return v1;
}

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@ -48,7 +48,7 @@ fn alpha_multiplier_funcs(
if with_alpha_premultiplication {
(
|v, a| (v * (a as f32) / 255.0) as u8,
|v, a| ((v as f32) * 255.0 / (a as f32)).clamp(0.0, 255.0),
|v, a| (v as f32) * 255.0 / (a as f32).clamp(0.0, 255.0),
)
} else {
(|v, _a| v as u8, |v, _a| v as f32)

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@ -1 +1,2 @@
target
Cargo.lock

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@ -1,6 +0,0 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
[[package]]
name = "squoosh-rotate"
version = "0.1.0"

View File

@ -1,9 +1,8 @@
[package]
name = "squoosh-rotate"
name = "rotate"
version = "0.1.0"
authors = ["Surma <surma@google.com>"]
edition = "2018"
publish = false
[lib]
name = "rotate"

View File

@ -1,8 +1,17 @@
FROM ubuntu
RUN apt-get update && \
apt-get install -qqy git build-essential cmake python2.7
RUN git clone --recursive https://github.com/WebAssembly/wabt /usr/src/wabt
RUN mkdir -p /usr/src/wabt/build
WORKDIR /usr/src/wabt/build
RUN cmake .. -DCMAKE_INSTALL_PREFIX=/opt/wabt && \
make && \
make install
FROM rust
RUN rustup target add wasm32-unknown-unknown
RUN rustup install nightly && \
rustup target add --toolchain nightly wasm32-unknown-unknown
RUN mkdir /opt/wabt && \
curl -L https://github.com/WebAssembly/wabt/releases/download/1.0.11/wabt-1.0.11-linux.tar.gz | tar -xzf - -C /opt/wabt --strip 1
ENV PATH="/opt/wabt:${PATH}"
COPY --from=0 /opt/wabt /opt/wabt
ENV PATH="/opt/wabt/bin:${PATH}"
WORKDIR /src

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@ -1,8 +1,25 @@
#!/bin/sh
#!/bin/bash
set -e
cargo build \
--target wasm32-unknown-unknown \
--release
wasm-opt -Os --strip target/wasm32-unknown-unknown/release/rotate.wasm -o rotate.wasm
echo "============================================="
echo "Compiling wasm"
echo "============================================="
(
rustup run nightly \
cargo build \
--target wasm32-unknown-unknown \
--release
cp target/wasm32-unknown-unknown/release/rotate.wasm .
wasm-strip rotate.wasm
)
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-rotate .\`"
echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"

View File

@ -1,7 +1,8 @@
{
"name": "rotate",
"scripts": {
"build": "../build-rust.sh ./build.sh",
"build:image": "docker build -t squoosh-rotate .",
"build": "docker run --rm -v $(pwd):/src squoosh-rotate ./build.sh",
"benchmark": "echo File size after gzip && npm run benchmark:filesize && echo Optimizing && npm run -s benchmark:optimizing",
"benchmark:baseline": "v8 --liftoff --no-wasm-tier-up --no-opt ./benchmark.js",
"benchmark:optimizing": "v8 --no-liftoff --no-wasm-tier-up ./benchmark.js",

Binary file not shown.

View File

@ -1,15 +0,0 @@
FROM emscripten/emsdk:1.39.19 AS wasm-tools
WORKDIR /opt/wasm-tools
RUN wget -qO- https://github.com/rustwasm/wasm-pack/releases/download/v0.9.1/wasm-pack-v0.9.1-x86_64-unknown-linux-musl.tar.gz | tar -xzf - --strip 1
FROM rust:1.44-stretch AS rust
RUN rustup target add wasm32-unknown-unknown
COPY --from=wasm-tools /emsdk/upstream/bin/wasm-opt /emsdk/upstream/bin/clang /usr/local/bin/
COPY --from=wasm-tools /emsdk/upstream/lib/ /usr/local/lib/
COPY --from=wasm-tools /emsdk/upstream/emscripten/system/include/libc/ /wasm32/include/
COPY --from=wasm-tools /emsdk/upstream/emscripten/system/lib/libc/musl/arch/emscripten/bits/ /wasm32/include/bits/
COPY --from=wasm-tools /opt/wasm-tools/wasm-pack /usr/local/cargo/bin/
ENV CPATH="/wasm32/include"
WORKDIR /src
CMD ["sh", "-c", "rm -rf pkg && wasm-pack build -- --verbose --locked && rm pkg/.gitignore"]

View File

@ -1,56 +0,0 @@
CODEC_URL := https://storage.googleapis.com/downloads.webmproject.org/releases/webp/libwebp-1.0.2.tar.gz
CODEC_DIR = node_modules/libwebp
CODEC_OUT_RELATIVE = src/.libs/libwebp.a
CODEC_OUT := $(addprefix $(CODEC_DIR)/, $(CODEC_OUT_RELATIVE))
OUT_JS = enc/webp_enc.js dec/webp_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_DIR)/src/Makefile
$(MAKE) -C $(CODEC_DIR)/src
$(CODEC_DIR)/src/Makefile: $(CODEC_DIR)/configure
cd $(CODEC_DIR) && ./configure \
--disable-shared \
--disable-libwebpdemux \
--disable-wic \
--disable-gif \
--disable-tiff \
--disable-jpeg \
--disable-png \
--disable-sdl \
--disable-gl \
--disable-threading \
--disable-neon-rtcd \
--disable-neon \
--disable-sse2 \
--disable-sse4.1
$(CODEC_DIR)/configure: $(CODEC_DIR)/configure.ac
cd $(CODEC_DIR) && autoreconf -iv
$(CODEC_DIR)/configure.ac: $(CODEC_DIR)
$(CODEC_DIR):
mkdir -p $@
curl -sL $(CODEC_URL) | tar xz --strip 1 -C $@
clean:
$(RM) $(OUT_JS) $(OUT_WASM)
$(MAKE) -C $(CODEC_DIR) clean

View File

@ -1,26 +0,0 @@
#include <string>
#include "emscripten/bind.h"
#include "emscripten/val.h"
#include "src/webp/decode.h"
#include "src/webp/demux.h"
using namespace emscripten;
int version() {
return WebPGetDecoderVersion();
}
thread_local const val Uint8ClampedArray = val::global("Uint8ClampedArray");
thread_local const val ImageData = val::global("ImageData");
val decode(std::string buffer) {
int width, height;
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) {
function("decode", &decode);
function("version", &version);
}

View File

@ -1,5 +0,0 @@
interface WebPModule extends EmscriptenWasm.Module {
decode(data: BufferSource): ImageData;
}
export default function(opts: EmscriptenWasm.ModuleOpts): WebPModule;

View File

@ -1,67 +0,0 @@
var webp_dec = (function() {
var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
return (
function(webp_dec) {
webp_dec = webp_dec || {};
var d;d||(d=typeof webp_dec !== 'undefined' ? webp_dec : {});var aa;d.ready=new Promise(function(a){aa=a});var t={},u;for(u in d)d.hasOwnProperty(u)&&(t[u]=d[u]);var v=!1,w=!1,ba=!1,ca=!1;v="object"===typeof window;w="function"===typeof importScripts;ba="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;ca=!v&&!ba&&!w;var x="",z,A,da,ea;
if(ba)x=w?require("path").dirname(x)+"/":__dirname+"/",z=function(a,b){da||(da=require("fs"));ea||(ea=require("path"));a=ea.normalize(a);return da.readFileSync(a,b?null:"utf8")},A=function(a){a=z(a,!0);a.buffer||(a=new Uint8Array(a));a.buffer||B("Assertion failed: undefined");return a},1<process.argv.length&&process.argv[1].replace(/\\/g,"/"),process.argv.slice(2),process.on("uncaughtException",function(a){throw a;}),process.on("unhandledRejection",B),d.inspect=function(){return"[Emscripten Module object]"};
else if(ca)"undefined"!=typeof read&&(z=function(a){return read(a)}),A=function(a){if("function"===typeof readbuffer)return new Uint8Array(readbuffer(a));a=read(a,"binary");"object"===typeof a||B("Assertion failed: undefined");return a},"undefined"!==typeof print&&("undefined"===typeof console&&(console={}),console.log=print,console.warn=console.error="undefined"!==typeof printErr?printErr:print);else if(v||w)w?x=self.location.href:document.currentScript&&(x=document.currentScript.src),_scriptDir&&
(x=_scriptDir),0!==x.indexOf("blob:")?x=x.substr(0,x.lastIndexOf("/")+1):x="",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)});var fa=d.print||console.log.bind(console),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;
d.noExitRuntime&&(noExitRuntime=d.noExitRuntime);"object"!==typeof WebAssembly&&B("no native wasm support detected");var E,ha=new WebAssembly.Table({initial:130,maximum:130,element:"anyfunc"}),ia=!1,ja="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
function ka(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 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 la="undefined"!==typeof TextDecoder?new TextDecoder("utf-16le"):void 0;
function ma(a,b){var c=a>>1;for(var e=c+b/2;!(c>=e)&&G[c];)++c;c<<=1;if(32<c-a&&la)return la.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 na(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 oa(a){return 2*a.length}
function pa(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 qa(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}I[b>>2]=g;b+=4;if(b+4>c)break}I[b>>2]=0;return b-e}
function ra(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,sa,F,H,G,I,L,ta,ua;function va(a){J=a;d.HEAP8=sa=new Int8Array(a);d.HEAP16=H=new Int16Array(a);d.HEAP32=I=new Int32Array(a);d.HEAPU8=F=new Uint8Array(a);d.HEAPU16=G=new Uint16Array(a);d.HEAPU32=L=new Uint32Array(a);d.HEAPF32=ta=new Float32Array(a);d.HEAPF64=ua=new Float64Array(a)}var wa=d.INITIAL_MEMORY||16777216;d.wasmMemory?E=d.wasmMemory:E=new WebAssembly.Memory({initial:wa/65536,maximum:32768});
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return webp_dec.ready
}
);
})();
if (typeof exports === 'object' && typeof module === 'object')
module.exports = webp_dec;
else if (typeof define === 'function' && define['amd'])
define([], function() { return webp_dec; });
else if (typeof exports === 'object')
exports["webp_dec"] = webp_dec;

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@ -1,88 +0,0 @@
#include <emscripten/bind.h>
#include <emscripten/val.h>
#include <stdlib.h>
#include <string.h>
#include <stdexcept>
#include "src/webp/encode.h"
using namespace emscripten;
int version() {
return WebPGetEncoderVersion();
}
thread_local 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();
// A lot of this is duplicated from Encode in picture_enc.c
WebPPicture pic;
WebPMemoryWriter wrt;
int ok;
if (!WebPPictureInit(&pic)) {
// shouldn't happen, except if system installation is broken
throw std::runtime_error("Unexpected error");
}
// Only use use_argb if we really need it, as it's slower.
pic.use_argb = config.lossless || config.use_sharp_yuv || config.preprocessing > 0;
pic.width = width;
pic.height = height;
pic.writer = WebPMemoryWrite;
pic.custom_ptr = &wrt;
WebPMemoryWriterInit(&wrt);
ok = WebPPictureImportRGBA(&pic, (uint8_t*)img_in, width * 4) && WebPEncode(&config, &pic);
WebPPictureFree(&pic);
if (!ok) {
WebPMemoryWriterClear(&wrt);
throw std::runtime_error("Encode failed");
}
val js_result = Uint8Array.new_(typed_memory_view(wrt.size, wrt.mem));
WebPFree(wrt.mem);
return js_result;
}
EMSCRIPTEN_BINDINGS(my_module) {
enum_<WebPImageHint>("WebPImageHint")
.value("WEBP_HINT_DEFAULT", WebPImageHint::WEBP_HINT_DEFAULT)
.value("WEBP_HINT_PICTURE", WebPImageHint::WEBP_HINT_PICTURE)
.value("WEBP_HINT_PHOTO", WebPImageHint::WEBP_HINT_PHOTO)
.value("WEBP_HINT_GRAPH", WebPImageHint::WEBP_HINT_GRAPH);
value_object<WebPConfig>("WebPConfig")
.field("lossless", &WebPConfig::lossless)
.field("quality", &WebPConfig::quality)
.field("method", &WebPConfig::method)
.field("image_hint", &WebPConfig::image_hint)
.field("target_size", &WebPConfig::target_size)
.field("target_PSNR", &WebPConfig::target_PSNR)
.field("segments", &WebPConfig::segments)
.field("sns_strength", &WebPConfig::sns_strength)
.field("filter_strength", &WebPConfig::filter_strength)
.field("filter_sharpness", &WebPConfig::filter_sharpness)
.field("filter_type", &WebPConfig::filter_type)
.field("autofilter", &WebPConfig::autofilter)
.field("alpha_compression", &WebPConfig::alpha_compression)
.field("alpha_filtering", &WebPConfig::alpha_filtering)
.field("alpha_quality", &WebPConfig::alpha_quality)
.field("pass", &WebPConfig::pass)
.field("show_compressed", &WebPConfig::show_compressed)
.field("preprocessing", &WebPConfig::preprocessing)
.field("partitions", &WebPConfig::partitions)
.field("partition_limit", &WebPConfig::partition_limit)
.field("emulate_jpeg_size", &WebPConfig::emulate_jpeg_size)
.field("thread_level", &WebPConfig::thread_level)
.field("low_memory", &WebPConfig::low_memory)
.field("near_lossless", &WebPConfig::near_lossless)
.field("exact", &WebPConfig::exact)
.field("use_delta_palette", &WebPConfig::use_delta_palette)
.field("use_sharp_yuv", &WebPConfig::use_sharp_yuv);
function("version", &version);
function("encode", &encode);
}

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@ -1,72 +0,0 @@
var webp_enc = (function() {
var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
if (typeof __filename !== 'undefined') _scriptDir = _scriptDir || __filename;
return (
function(webp_enc) {
webp_enc = webp_enc || {};
var d;d||(d=typeof webp_enc !== 'undefined' ? webp_enc : {});var aa;d.ready=new Promise(function(a){aa=a});var r={},u;for(u in d)d.hasOwnProperty(u)&&(r[u]=d[u]);var w=!1,x=!1,ba=!1,ca=!1;w="object"===typeof window;x="function"===typeof importScripts;ba="object"===typeof process&&"object"===typeof process.versions&&"string"===typeof process.versions.node;ca=!w&&!ba&&!x;var y="",A,B,da,ea;
if(ba)y=x?require("path").dirname(y)+"/":__dirname+"/",A=function(a,b){da||(da=require("fs"));ea||(ea=require("path"));a=ea.normalize(a);return da.readFileSync(a,b?null:"utf8")},B=function(a){a=A(a,!0);a.buffer||(a=new Uint8Array(a));a.buffer||C("Assertion failed: undefined");return a},1<process.argv.length&&process.argv[1].replace(/\\/g,"/"),process.argv.slice(2),process.on("uncaughtException",function(a){throw a;}),process.on("unhandledRejection",C),d.inspect=function(){return"[Emscripten Module object]"};
else if(ca)"undefined"!=typeof read&&(A=function(a){return read(a)}),B=function(a){if("function"===typeof readbuffer)return new Uint8Array(readbuffer(a));a=read(a,"binary");"object"===typeof a||C("Assertion failed: undefined");return a},"undefined"!==typeof print&&("undefined"===typeof console&&(console={}),console.log=print,console.warn=console.error="undefined"!==typeof printErr?printErr:print);else if(w||x)x?y=self.location.href:document.currentScript&&(y=document.currentScript.src),_scriptDir&&
(y=_scriptDir),0!==y.indexOf("blob:")?y=y.substr(0,y.lastIndexOf("/")+1):y="",A=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.send(null);return b.responseText},x&&(B=function(a){var b=new XMLHttpRequest;b.open("GET",a,!1);b.responseType="arraybuffer";b.send(null);return new Uint8Array(b.response)});var fa=d.print||console.log.bind(console),D=d.printErr||console.warn.bind(console);for(u in r)r.hasOwnProperty(u)&&(d[u]=r[u]);r=null;var E;d.wasmBinary&&(E=d.wasmBinary);var noExitRuntime;
d.noExitRuntime&&(noExitRuntime=d.noExitRuntime);"object"!==typeof WebAssembly&&C("no native wasm support detected");var G,ha=new WebAssembly.Table({initial:128,maximum:128,element:"anyfunc"}),ia=!1,ja="undefined"!==typeof TextDecoder?new TextDecoder("utf8"):void 0;
function la(a,b,c){var e=H;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 ma="undefined"!==typeof TextDecoder?new TextDecoder("utf-16le"):void 0;
function na(a,b){var c=a>>1;for(var e=c+b/2;!(c>=e)&&I[c];)++c;c<<=1;if(32<c-a&&ma)return ma.decode(H.subarray(a,c));c=0;for(e="";;){var f=J[a+2*c>>1];if(0==f||c==b/2)return e;++c;e+=String.fromCharCode(f)}}function oa(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 pa(a){return 2*a.length}
function qa(a,b){for(var c=0,e="";!(c>=b/4);){var f=K[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 ra(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}K[b>>2]=g;b+=4;if(b+4>c)break}K[b>>2]=0;return b-e}
function sa(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 L,M,H,J,I,K,N,ta,ua;function va(a){L=a;d.HEAP8=M=new Int8Array(a);d.HEAP16=J=new Int16Array(a);d.HEAP32=K=new Int32Array(a);d.HEAPU8=H=new Uint8Array(a);d.HEAPU16=I=new Uint16Array(a);d.HEAPU32=N=new Uint32Array(a);d.HEAPF32=ta=new Float32Array(a);d.HEAPF64=ua=new Float64Array(a)}var wa=d.INITIAL_MEMORY||16777216;d.wasmMemory?G=d.wasmMemory:G=new WebAssembly.Memory({initial:wa/65536,maximum:32768});
G&&(L=G.buffer);wa=L.byteLength;va(L);K[8668]=5277712;function xa(a){for(;0<a.length;){var b=a.shift();if("function"==typeof b)b(d);else{var c=b.Z;"number"===typeof c?void 0===b.T?d.dynCall_v(c):d.dynCall_vi(c,b.T):c(void 0===b.T?null:b.T)}}}var ya=[],za=[],Aa=[],Ba=[];function Ca(){var a=d.preRun.shift();ya.unshift(a)}var O=0,Da=null,P=null;d.preloadedImages={};d.preloadedAudios={};
function C(a){if(d.onAbort)d.onAbort(a);fa(a);D(a);ia=!0;throw new WebAssembly.RuntimeError("abort("+a+"). Build with -s ASSERTIONS=1 for more info.");}function Ea(a){var b=Q;return String.prototype.startsWith?b.startsWith(a):0===b.indexOf(a)}function Fa(){return Ea("data:application/octet-stream;base64,")}var Q="webp_enc.wasm";if(!Fa()){var Ga=Q;Q=d.locateFile?d.locateFile(Ga,y):y+Ga}
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var Ja=d.___wasm_call_ctors=function(){return(Ja=d.___wasm_call_ctors=d.asm.y).apply(null,arguments)},rb=d._malloc=function(){return(rb=d._malloc=d.asm.z).apply(null,arguments)},Y=d._free=function(){return(Y=d._free=d.asm.A).apply(null,arguments)},db=d.___getTypeName=function(){return(db=d.___getTypeName=d.asm.B).apply(null,arguments)};d.___embind_register_native_and_builtin_types=function(){return(d.___embind_register_native_and_builtin_types=d.asm.C).apply(null,arguments)};
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return webp_enc.ready
}
);
})();
if (typeof exports === 'object' && typeof module === 'object')
module.exports = webp_enc;
else if (typeof define === 'function' && define['amd'])
define([], function() { return webp_enc; });
else if (typeof exports === 'object')
exports["webp_enc"] = webp_enc;

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@ -1,4 +0,0 @@
{
"name": "webp",
"lockfileVersion": 1
}

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