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<html>
<head>
<meta charset="utf-8">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</head>
<body>
<pre>
Wasm audio FIR. Version: 0.1
</pre>
<script type='text/javascript'>
var Module = {};
fetch('index.wasm')
.then(response =>
response.arrayBuffer()
).then(buffer => {
Module.canvas = document.getElementById("canvas");
Module.wasmBinary = buffer;
var script = document.createElement('script');
script.src = "index.js";
script.onload = function() {
console.log("Emscripten boilerplate loaded.")
}
document.body.appendChild(script);
});
</script>
<div align="center">
<canvas id="canvas" ></canvas>
</div>
<button class="setCutoffFrequency" type="button">Set Cutoff(Hz)</button>
<textarea class="outSetCutoffFrequency"></textarea>
<button class="setNumberTaps" type="button">Set Taps</button>
<textarea class="outSetNumberTaps"></textarea>
<button class="recalculateFir" id="recalculateFir" type="button">Calc</button>
<textarea class="outCoeficients">1</textarea>
<script>
get_cutoff_freq = Module.cwrap("get_cutoff_freq","number",[]);
get_tap_number = Module.cwrap("get_tap_number","number",[]);
recalculate_fir = Module.cwrap("recalculate_fir",'number',[]);
var setCutoffFrequency = document.querySelector('.setCutoffFrequency')
var outSetCutoffFrequency = document.querySelector('.outSetCutoffFrequency')
var setNumberTaps = document.querySelector('.setNumberTaps')
var outSetNumberTaps = document.querySelector('.outSetNumberTaps')
var recalculateFir = document.querySelector('.recalculateFir')
var outCoeficients = document.querySelector('.outCoeficients')
//outSetCutoffFrequency.value = get_cutoff_freq();
//outSetCutoffFrequency.value = "Hello";
//outSetNumberTaps.value = get_tap_number();
recalculateFir.addEventListener('click', function(){
recalculate_fir();
console.log("Oh noe");
outCoeficients.value = 2;
})
document.querySelector("#recalculateFir").onclick = function() {
console.log("Oh noe");
outCoeficients.value = 2;
}
</script>
<pre>
If no recording, check developer console(Ctrl+Shift+I) or add domain (http://wasm.main.lv) to chrome://flags/#unsafely-treat-insecure-origin-as-secure
Run r, listen with s, apply filtr with q and listen again with s
Supported keys:
r - record sound buffer
s - play recorded buffer
q - applay fir filter
</pre>
<pre>
Changelog:
v0.1 - initial release
</pre>
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</body>
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