mirror of
https://github.com/ggerganov/ggwave.git
synced 2026-02-07 09:18:01 +08:00
334 lines
15 KiB
HTML
334 lines
15 KiB
HTML
<!doctype html>
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<html lang="en-us">
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<head>
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<meta charset="utf-8">
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<title>ggwave : emscripten example</title>
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no"/>
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<link rel="shortcut icon" href="favicon.ico">
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<link rel="stylesheet" href="style.css">
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</head>
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<body>
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<div id="main-container">
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<h1>ggwave</h1>
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Open this page on multiple devices (computers, phones, tablets, etc.). <br>
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Press the init button and broadcast some text. Make sure your speakers and microphones are enabled.
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<br><br>
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<section>
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<div id="sound"></div>
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<table>
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<tr>
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<td colspan=3 align="center">
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<button onClick="doInit()" id="butInit" disabled>Init</button>
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</td>
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</tr>
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<tr>
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<td colspan=3 align="center">
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<div class="led-box">
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<p>Output:</p>
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</div>
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<div class="led-box">
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<p>Capture:</p>
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</div>
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<div class="led-box">
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<p>Browser:</p>
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</div>
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</td>
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</tr>
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<tr>
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<td colspan=3 align="center">
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<div class="led-box" id="has-device-output" title="Indicates if an audio output device is available">
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<div class="led-yellow"></div>
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</div>
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<div class="led-box" id="has-device-capture" title="Indicates if an audio capture device is available. Make sure this page has access to the microphone">
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<div class="led-yellow"></div>
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</div>
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<div class="led-box" id="is-browser-supported" title="Indicates if the browser is supported">
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<div class="led-yellow"></div>
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</div>
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</td>
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</tr>
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</table>
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<table id="main-controls" hidden>
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<tr>
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<td colspan=1>
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Tx protocol:
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<select id="waveConfig" onChange="selectConfig(this.value);" title="Before broadcast/receive make sure this is set to the same value for all peers">
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<option value=0>Normal</option>
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<option value=1 selected>Fast</option>
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<option value=2>Fastest</option>
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<option value=3>[Ultrasound] Normal</option>
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<option value=4>[Ultrasound] Fast</option>
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<option value=5>[Ultrasound] Fastest</option>
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</select>
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</td>
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<td colspan=1>
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Volume:
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<input type="range" min="1" max="100" value="10" class="slider" id="paramVolume" onInput="updateScroll('Volume');">
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/ <label id="paramVolumeScroll"></label></td>
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</td>
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</tr>
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<tr>
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<td colspan=1>
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<div>Rx data:</div> <textarea name="textarea" id="rxData" style="width:300px;height:100px;" disabled>
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</textarea>
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</td>
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<td colspan=1>
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<div>Tx Data:</div> <textarea name="textarea" id="txData" style="width:300px;height:100px;">This is the message to transmit.</textarea><br>
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</td>
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</tr>
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<tr>
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<td colspan=1>
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<a id="peer-info"></a>
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</td>
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<td colspan=1>
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<button onClick="lockoutSubmit(this); transmitText(document.getElementById('txData').value);">Broadcast</button>
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</td>
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</tr>
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</table>
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<span id="status"></span>
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</section>
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<br><hr>
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<p>Standard output:</p>
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<textarea id="output" rows="8"></textarea>
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<div class="spinner" id='spinnerEm'></div>
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<div class="emscripten" id="statusEm">Downloading...</div>
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<div class="emscripten">
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<progress value="0" max="100" id="progressEm" hidden=1></progress>
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</div>
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</div>
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<div class="cell-version">
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<span>
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Build time: <span class="nav-link">@GIT_DATE@</span> |
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Commit hash: <a class="nav-link" href="https://github.com/ggerganov/ggwave/commit/@GIT_SHA1@">@GIT_SHA1@</a> |
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Commit subject: <span class="nav-link">@GIT_COMMIT_SUBJECT@</span> |
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</span>
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</div>
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<div class="cell-about">
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<a class="nav-link" href="https://github.com/ggerganov/ggwave/tree/master"><span class="d-none d-sm-inline">View on GitHub </span>
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<svg version="1.1" width="16" height="16" viewBox="0 0 16 16" class="octicon octicon-mark-github" aria-hidden="true"><path fill-rule="evenodd" d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z"></path></svg>
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</a>
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</div>
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<script type='text/javascript'>
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var bufferRx = null;
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var brx = new Uint8Array(256);
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var volume = 10;
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var protocolId = 1;
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function lockoutSubmit(button) {
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var oldValue = button.value;
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button.setAttribute('disabled', true);
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button.value = '...processing...';
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setTimeout(function(){
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button.value = oldValue;
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button.removeAttribute('disabled');
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}, 5000)
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}
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function selectConfig(configId) {
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protocolId = parseInt(configId);
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}
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function updateScroll(sName) {
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val = document.getElementById('param'+sName).value;
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document.getElementById('param'+sName+'Scroll').innerHTML = val;
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volume = val;
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}
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function getSampleRate() {
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if (typeof Module === 'undefined') return;
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var sampleRate = Module._getSampleRate();
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}
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var isiOS = /iPad|iPhone|iPod|CriOS/.test(navigator.userAgent) && !window.MSStream;
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var isInitialized = false;
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var isAudioContextUnlocked = !isiOS;
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var htmlGreenLED = "<div class=\"led-green\"></div>";
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var htmlRedLED = "<div class=\"led-red\"></div>";
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var htmlYellowLED = "<div class=\"led-yellow\"></div>";
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function checkStatus() {
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var hasDeviceOutput = Module._hasDeviceOutput();
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{
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var el = document.getElementById('has-device-output');
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if (hasDeviceOutput != 0 && isAudioContextUnlocked) {
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if (el.innerHTML != htmlGreenLED) {
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el.innerHTML = htmlGreenLED;
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}
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} else {
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if (el.innerHTML != htmlRedLED) {
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el.innerHTML = htmlRedLED;
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}
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}
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}
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var hasDeviceCapture = Module._hasDeviceCapture();
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{
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var el = document.getElementById('has-device-capture');
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if (hasDeviceCapture != 0) {
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if (el.innerHTML != htmlGreenLED) {
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el.innerHTML = htmlGreenLED;
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}
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} else {
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if (el.innerHTML != htmlRedLED) {
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el.innerHTML = htmlRedLED;
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}
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}
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}
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var isBrowserSupported = !isiOS;
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{
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var el = document.getElementById('is-browser-supported');
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if (isBrowserSupported) {
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if (el.innerHTML != htmlGreenLED) {
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el.innerHTML = htmlGreenLED;
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}
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} else {
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if (el.innerHTML != htmlYellowLED) {
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el.innerHTML = htmlYellowLED;
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}
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}
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}
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}
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var statusElement = document.getElementById('statusEm');
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var progressElement = document.getElementById('progressEm');
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var spinnerElement = document.getElementById('spinnerEm');
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var Module = {
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doNotCaptureKeyboard: true,
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pre: [],
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preRun: [(function() {
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let constraints = {
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audio: {
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echoCancellation: false,
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autoGainControl: false,
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noiseSuppression: false
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}
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};
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let mediaInput = navigator.mediaDevices.getUserMedia( constraints );
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}) ],
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postRun: [ (function() { document.getElementById("butInit").disabled = false; }) ],
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print: (function() {
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var element = document.getElementById('output');
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if (element) element.alue = ''; // clear browser cache
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return function(text) {
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if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
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console.log(text);
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if (element) {
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element.value += text + "\n";
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element.scrollTop = element.scrollHeight; // focus on bottom
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}
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};
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})(),
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printErr: function(text) {
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if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
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console.error(text);
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},
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setStatus: function(text) {
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if (!Module.setStatus.last) Module.setStatus.last = { time: Date.now(), text: '' };
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if (text === Module.setStatus.text) return;
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var m = text.match(/([^(]+)\((\d+(\.\d+)?)\/(\d+)\)/);
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var now = Date.now();
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if (m && now - Date.now() < 30) return; // if this is a progress update, skip it if too soon
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if (m) {
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text = m[1];
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progressElement.value = parseInt(m[2])*100;
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progressElement.max = parseInt(m[4])*100;
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progressElement.hidden = false;
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spinnerElement.hidden = false;
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} else {
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progressElement.value = null;
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progressElement.max = null;
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progressElement.hidden = true;
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if (!text) spinnerElement.style.display = 'none';
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}
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statusElement.innerHTML = text;
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},
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totalDependencies: 0,
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monitorRunDependencies: function(left) {
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this.totalDependencies = Math.max(this.totalDependencies, left);
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Module.setStatus(left ? 'Preparing... (' + (this.totalDependencies-left) + '/' + this.totalDependencies + ')' : 'All downloads complete.');
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}
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};
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function doInit() {
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if (isInitialized == false) {
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Module._doInit();
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e = document.getElementById('waveConfig');
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selectConfig(e.options[e.selectedIndex].value);
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updateScroll('Volume');
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bufferRx = Module._malloc(256);
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setInterval(updatePeerInfo, 100);
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setInterval(updateRx, 1000);
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setInterval(checkStatus, 1000);
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isInitialized = true;
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}
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playSound("plucky");
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var x = document.getElementById("main-controls");
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//x.style.display = "block";
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x.hidden = false;
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}
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Module.setStatus('Initializing...');
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window.onerror = function(event) {
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Module.setStatus('Exception thrown, see JavaScript console');
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spinnerElement.style.display = 'none';
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Module.setStatus = function(text) {
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if (text) Module.printErr('[post-exception status] ' + text);
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};
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};
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window.addEventListener('touchstart', function() {
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if (isAudioContextUnlocked == false && SDL2.audioContext) {
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var buffer = SDL2.audioContext.createBuffer(1, 1, 22050);
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var source = SDL2.audioContext.createBufferSource();
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source.buffer = buffer;
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source.connect(SDL2.audioContext.destination);
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source.start();
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setTimeout(function() {
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if((source.playbackState === source.PLAYING_STATE || source.playbackState === source.FINISHED_STATE)) {
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isAudioContextUnlocked = true;
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Module.setStatus('Wab Audio API unlocked successfully!');
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} else {
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Module.setStatus('Failed to unlock Web Audio APIi. This browser seems to not be supported');
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}
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}, 0);
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}
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}, false);
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function playSound(filename){
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document.getElementById("sound").innerHTML='<audio id="soundInner"><source src="' + filename + '.mp3" type="audio/mpeg" /><embed hidden="true" autostart="true" loop="false" src="' + filename +'.mp3" /></audio>';
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document.getElementById("soundInner").volume = paramVolume.value/100.0;
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document.getElementById("soundInner").play();
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}
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</script>
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<script async type="text/javascript" src="@TARGET@.js"></script>
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<script type="text/javascript" src="main.js"></script>
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</body>
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</html>
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