Add wasm-beep example
This commit is contained in:
Tatsuyuki Ishi
mitchmindtree
parent
cf4e6ca5bf
commit
9dc0c04c95
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@ -0,0 +1,5 @@
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node_modules
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/dist
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/target
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/pkg
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/wasm-pack.log
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@ -0,0 +1,595 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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||||
"quote",
|
||||
"unicode-xid",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thiserror"
|
||||
version = "1.0.11"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ee14bf8e6767ab4c687c9e8bc003879e042a96fd67a3ba5934eadb6536bef4db"
|
||||
dependencies = [
|
||||
"thiserror-impl",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thiserror-impl"
|
||||
version = "1.0.11"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a7b51e1fbc44b5a0840be594fbc0f960be09050f2617e61e6aa43bef97cd3ef4"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thread_local"
|
||||
version = "1.0.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "d40c6d1b69745a6ec6fb1ca717914848da4b44ae29d9b3080cbee91d72a69b14"
|
||||
dependencies = [
|
||||
"lazy_static",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "unicode-segmentation"
|
||||
version = "1.6.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e83e153d1053cbb5a118eeff7fd5be06ed99153f00dbcd8ae310c5fb2b22edc0"
|
||||
|
||||
[[package]]
|
||||
name = "unicode-xid"
|
||||
version = "0.2.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.1.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
|
||||
|
||||
[[package]]
|
||||
name = "wasm-beep"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"console_error_panic_hook",
|
||||
"cpal",
|
||||
"wasm-bindgen",
|
||||
"web-sys",
|
||||
"wee_alloc",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen"
|
||||
version = "0.2.58"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5205e9afdf42282b192e2310a5b463a6d1c1d774e30dc3c791ac37ab42d2616c"
|
||||
dependencies = [
|
||||
"cfg-if",
|
||||
"wasm-bindgen-macro",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen-backend"
|
||||
version = "0.2.58"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "11cdb95816290b525b32587d76419facd99662a07e59d3cdb560488a819d9a45"
|
||||
dependencies = [
|
||||
"bumpalo",
|
||||
"lazy_static",
|
||||
"log",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
"wasm-bindgen-shared",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen-macro"
|
||||
version = "0.2.58"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "574094772ce6921576fb6f2e3f7497b8a76273b6db092be18fc48a082de09dc3"
|
||||
dependencies = [
|
||||
"quote",
|
||||
"wasm-bindgen-macro-support",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen-macro-support"
|
||||
version = "0.2.58"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "e85031354f25eaebe78bb7db1c3d86140312a911a106b2e29f9cc440ce3e7668"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
"wasm-bindgen-backend",
|
||||
"wasm-bindgen-shared",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen-shared"
|
||||
version = "0.2.58"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f5e7e61fc929f4c0dddb748b102ebf9f632e2b8d739f2016542b4de2965a9601"
|
||||
|
||||
[[package]]
|
||||
name = "wasm-bindgen-webidl"
|
||||
version = "0.2.58"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ef012a0d93fc0432df126a8eaf547b2dce25a8ce9212e1d3cbeef5c11157975d"
|
||||
dependencies = [
|
||||
"anyhow",
|
||||
"heck",
|
||||
"log",
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
"wasm-bindgen-backend",
|
||||
"weedle",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "web-sys"
|
||||
version = "0.3.35"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "aaf97caf6aa8c2b1dac90faf0db529d9d63c93846cca4911856f78a83cebf53b"
|
||||
dependencies = [
|
||||
"anyhow",
|
||||
"js-sys",
|
||||
"sourcefile",
|
||||
"wasm-bindgen",
|
||||
"wasm-bindgen-webidl",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "wee_alloc"
|
||||
version = "0.4.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "dbb3b5a6b2bb17cb6ad44a2e68a43e8d2722c997da10e928665c72ec6c0a0b8e"
|
||||
dependencies = [
|
||||
"cfg-if",
|
||||
"libc",
|
||||
"memory_units",
|
||||
"winapi",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "weedle"
|
||||
version = "0.10.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "3bb43f70885151e629e2a19ce9e50bd730fd436cfd4b666894c9ce4de9141164"
|
||||
dependencies = [
|
||||
"nom",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
|
||||
dependencies = [
|
||||
"winapi-i686-pc-windows-gnu",
|
||||
"winapi-x86_64-pc-windows-gnu",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-i686-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-x86_64-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
|
|
@ -0,0 +1,41 @@
|
|||
[package]
|
||||
name = "wasm-beep"
|
||||
description = "cpal beep example for WebAssembly"
|
||||
version = "0.1.0"
|
||||
edition = "2018"
|
||||
|
||||
[lib]
|
||||
crate-type = ["cdylib"]
|
||||
|
||||
[profile.release]
|
||||
# This makes the compiled code faster and smaller, but it makes compiling slower,
|
||||
# so it's only enabled in release mode.
|
||||
lto = true
|
||||
|
||||
[features]
|
||||
# If you uncomment this line, it will enable `wee_alloc`:
|
||||
#default = ["wee_alloc"]
|
||||
|
||||
[dependencies]
|
||||
cpal = { path = "../..", features = ["wasm-bindgen"] }
|
||||
# The `wasm-bindgen` crate provides the bare minimum functionality needed
|
||||
# to interact with JavaScript.
|
||||
wasm-bindgen = "0.2.45"
|
||||
|
||||
# `wee_alloc` is a tiny allocator for wasm that is only ~1K in code size
|
||||
# compared to the default allocator's ~10K. However, it is slower than the default
|
||||
# allocator, so it's not enabled by default.
|
||||
wee_alloc = { version = "0.4.2", optional = true }
|
||||
|
||||
# The `web-sys` crate allows you to interact with the various browser APIs,
|
||||
# like the DOM.
|
||||
[dependencies.web-sys]
|
||||
version = "0.3.22"
|
||||
features = ["console"]
|
||||
|
||||
# The `console_error_panic_hook` crate provides better debugging of panics by
|
||||
# logging them with `console.error`. This is great for development, but requires
|
||||
# all the `std::fmt` and `std::panicking` infrastructure, so it's only enabled
|
||||
# in debug mode.
|
||||
[target."cfg(debug_assertions)".dependencies]
|
||||
console_error_panic_hook = "0.1.5"
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
## How to install
|
||||
|
||||
```sh
|
||||
npm install
|
||||
```
|
||||
|
||||
## How to run in debug mode
|
||||
|
||||
```sh
|
||||
# Builds the project and opens it in a new browser tab. Auto-reloads when the project changes.
|
||||
npm start
|
||||
```
|
||||
|
||||
## How to build in release mode
|
||||
|
||||
```sh
|
||||
# Builds the project and places it into the `dist` folder.
|
||||
npm run build
|
||||
```
|
||||
|
||||
## What does each file do?
|
||||
|
||||
* `Cargo.toml` contains the standard Rust metadata. You put your Rust dependencies in here. You must change this file with your details (name, description, version, authors, categories)
|
||||
|
||||
* `package.json` contains the standard npm metadata. You put your JavaScript dependencies in here. You must change this file with your details (author, name, version)
|
||||
|
||||
* `webpack.config.js` contains the Webpack configuration. You shouldn't need to change this, unless you have very special needs.
|
||||
|
||||
* The `src` folder contains your Rust code.
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
<!DOCTYPE html>
|
||||
<html>
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
<title>cpal beep example</title>
|
||||
</head>
|
||||
<body>
|
||||
<input id="play" type="button" value="beep"/>
|
||||
<input id="stop" type="button" value="stop"/>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
import("./pkg").catch(console.error).then(rust_module=>{
|
||||
let handle = null;
|
||||
const play_button = document.getElementById("play");
|
||||
play_button.addEventListener("click", event => {
|
||||
handle = rust_module.beep();
|
||||
});
|
||||
const stop_button = document.getElementById("stop");
|
||||
stop_button.addEventListener("click", event => {
|
||||
if (handle != null) {
|
||||
handle.free();
|
||||
handle = null;
|
||||
}
|
||||
});
|
||||
});
|
||||
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,21 @@
|
|||
{
|
||||
"author": "You <you@example.com>",
|
||||
"name": "rust-webpack-template",
|
||||
"version": "0.1.0",
|
||||
"scripts": {
|
||||
"build": "rimraf dist pkg && webpack",
|
||||
"start": "rimraf dist pkg && webpack-dev-server --open -d",
|
||||
"test": "cargo test && wasm-pack test --headless"
|
||||
},
|
||||
"devDependencies": {
|
||||
"@wasm-tool/wasm-pack-plugin": "^0.4.2",
|
||||
"copy-webpack-plugin": "^5.0.3",
|
||||
"webpack": "^4.33.0",
|
||||
"webpack-cli": "^3.3.3",
|
||||
"webpack-dev-server": "^3.7.1",
|
||||
"rimraf": "^2.6.3"
|
||||
},
|
||||
"dependencies": {
|
||||
"html-webpack-plugin": "^3.2.0"
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,81 @@
|
|||
use wasm_bindgen::prelude::*;
|
||||
use web_sys::console;
|
||||
|
||||
// When the `wee_alloc` feature is enabled, this uses `wee_alloc` as the global
|
||||
// allocator.
|
||||
//
|
||||
// If you don't want to use `wee_alloc`, you can safely delete this.
|
||||
#[cfg(feature = "wee_alloc")]
|
||||
#[global_allocator]
|
||||
static ALLOC: wee_alloc::WeeAlloc = wee_alloc::WeeAlloc::INIT;
|
||||
|
||||
// This is like the `main` function, except for JavaScript.
|
||||
#[wasm_bindgen(start)]
|
||||
pub fn main_js() -> Result<(), JsValue> {
|
||||
// This provides better error messages in debug mode.
|
||||
// It's disabled in release mode so it doesn't bloat up the file size.
|
||||
#[cfg(debug_assertions)]
|
||||
console_error_panic_hook::set_once();
|
||||
|
||||
Ok(())
|
||||
}
|
||||
|
||||
use cpal::traits::{DeviceTrait, HostTrait, StreamTrait};
|
||||
use cpal::Stream;
|
||||
|
||||
#[wasm_bindgen]
|
||||
pub struct Handle(Stream);
|
||||
|
||||
#[wasm_bindgen]
|
||||
pub fn beep() -> Handle {
|
||||
let host = cpal::default_host();
|
||||
let device = host
|
||||
.default_output_device()
|
||||
.expect("failed to find a default output device");
|
||||
let config = device.default_output_config().unwrap();
|
||||
|
||||
Handle(match config.sample_format() {
|
||||
cpal::SampleFormat::F32 => run::<f32>(&device, &config.into()),
|
||||
cpal::SampleFormat::I16 => run::<i16>(&device, &config.into()),
|
||||
cpal::SampleFormat::U16 => run::<u16>(&device, &config.into()),
|
||||
})
|
||||
}
|
||||
|
||||
fn run<T>(device: &cpal::Device, config: &cpal::StreamConfig) -> Stream
|
||||
where
|
||||
T: cpal::Sample,
|
||||
{
|
||||
let sample_rate = config.sample_rate.0 as f32;
|
||||
let channels = config.channels as usize;
|
||||
|
||||
// Produce a sinusoid of maximum amplitude.
|
||||
let mut sample_clock = 0f32;
|
||||
let mut next_value = move || {
|
||||
sample_clock = (sample_clock + 1.0) % sample_rate;
|
||||
(sample_clock * 440.0 * 2.0 * 3.141592 / sample_rate).sin()
|
||||
};
|
||||
|
||||
let err_fn = |err| console::error_1(&format!("an error occurred on stream: {}", err).into());
|
||||
|
||||
let stream = device
|
||||
.build_output_stream(
|
||||
config,
|
||||
move |data: &mut [T]| write_data(data, channels, &mut next_value),
|
||||
err_fn,
|
||||
)
|
||||
.unwrap();
|
||||
stream.play().unwrap();
|
||||
stream
|
||||
}
|
||||
|
||||
fn write_data<T>(output: &mut [T], channels: usize, next_sample: &mut dyn FnMut() -> f32)
|
||||
where
|
||||
T: cpal::Sample,
|
||||
{
|
||||
for frame in output.chunks_mut(channels) {
|
||||
let value: T = cpal::Sample::from::<f32>(&next_sample());
|
||||
for sample in frame.iter_mut() {
|
||||
*sample = value;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
const path = require("path");
|
||||
const CopyPlugin = require("copy-webpack-plugin");
|
||||
const WasmPackPlugin = require("@wasm-tool/wasm-pack-plugin");
|
||||
const HtmlWebpackPlugin = require("html-webpack-plugin");
|
||||
|
||||
const dist = path.resolve(__dirname, "dist");
|
||||
|
||||
module.exports = {
|
||||
mode: "production",
|
||||
entry: {
|
||||
index: "./index.js"
|
||||
},
|
||||
output: {
|
||||
path: dist,
|
||||
filename: "[name].js"
|
||||
},
|
||||
devServer: {
|
||||
contentBase: dist,
|
||||
},
|
||||
plugins: [
|
||||
new HtmlWebpackPlugin({
|
||||
template: 'index.html'
|
||||
}),
|
||||
new WasmPackPlugin({
|
||||
crateDirectory: __dirname,
|
||||
extraArgs: "--out-name index"
|
||||
}),
|
||||
]
|
||||
};
|
||||
Loading…
Reference in New Issue