edit html pages focused on web audio players
parent
02ecbb32f2
commit
49c6c37a42
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// set up basic variables for app
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var record = document.querySelector('.record');
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var stop = document.querySelector('.stop');
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var soundClips = document.querySelector('.sound-clips');
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var canvas = document.querySelector('.visualizer');
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var mainSection = document.querySelector('.main-controls');
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// disable stop button while not recording
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stop.disabled = true;
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// visualiser setup - create web audio api context and canvas
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var audioCtx = new (window.AudioContext || webkitAudioContext)();
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var canvasCtx = canvas.getContext("2d");
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//main block for doing the audio recording
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if (navigator.mediaDevices.getUserMedia) {
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console.log('getUserMedia supported.');
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var constraints = { audio: true };
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var chunks = [];
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var onSuccess = function(stream) {
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var mediaRecorder = new MediaRecorder(stream);
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visualize(stream);
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record.onclick = function() {
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mediaRecorder.start();
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console.log(mediaRecorder.state);
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console.log("recorder started");
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record.style.background = "red";
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stop.disabled = false;
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record.disabled = true;
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}
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stop.onclick = function() {
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mediaRecorder.stop();
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console.log(mediaRecorder.state);
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console.log("recorder stopped");
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record.style.background = "";
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record.style.color = "";
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// mediaRecorder.requestData();
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stop.disabled = true;
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record.disabled = false;
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}
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mediaRecorder.onstop = function(e) {
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console.log("data available after MediaRecorder.stop() called.");
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var clipName = prompt('Enter a name for your sound clip?','My unnamed clip');
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console.log(clipName);
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var clipContainer = document.createElement('article');
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var clipLabel = document.createElement('p');
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var audio = document.createElement('audio');
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var deleteButton = document.createElement('button');
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var saveButton = document.getElementById('save').href.toString();// document.getElementById("save").innerHTML;// = xhttp.responseText;; // you have to check how to get the data from your saveAudio() method
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window.alert(saveButton);
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clipContainer.classList.add('clip');
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audio.setAttribute('controls', '');
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deleteButton.textContent = 'Delete';
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deleteButton.className = 'delete';
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saveButton.textContent = 'Save';
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saveButton.className = 'save';
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if(clipName === null) {
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clipLabel.textContent = 'My unnamed clip';
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} else {
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clipLabel.textContent = clipName;
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}
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clipContainer.appendChild(audio);
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clipContainer.appendChild(clipLabel);
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clipContainer.appendChild(deleteButton);
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soundClips.appendChild(clipContainer);
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clipContainer.appendChild(saveButton);
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audio.controls = true;
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var blob = new Blob(chunks, { 'type' : 'audio/ogg; codecs=opus' });
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chunks = [];
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var audioURL = window.URL.createObjectURL(blob);
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audio.src = audioURL;
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console.log("recorder stopped");
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saveButton.onclick = function() {
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(window.XMLHttpRequest) ? clipName = new XMLHttpRequest() : (window.ActiveXObject) ? clipName = new ActiveXObject("Microsoft.XMLHTTP") : clipName = false;
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clipName.open("POST", audioURL, true);
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clipName.setRequestHeader("Content-Type", "multipart/form-data");
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if(saveButton != null) //&& data != "")
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{
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clipName.send(saveButton);
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}}
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deleteButton.onclick = function(e) {
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evtTgt = e.target;
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evtTgt.parentNode.parentNode.removeChild(evtTgt.parentNode);
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}
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clipLabel.onclick = function() {
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var existingName = clipLabel.textContent;
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var newClipName = prompt('Enter a new name for your sound clip?');
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if(newClipName === null) {
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clipLabel.textContent = existingName;
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} else {
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clipLabel.textContent = newClipName;
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}
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}
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}
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mediaRecorder.ondataavailable = function(e) {
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chunks.push(e.data);
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}
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}
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var onError = function(err) {
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console.log('The following error occured: ' + err);
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}
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navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
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} else {
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console.log('getUserMedia not supported on your browser!');
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}
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function visualize(stream) {
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var source = audioCtx.createMediaStreamSource(stream);
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var analyser = audioCtx.createAnalyser();
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analyser.fftSize = 2048;
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var bufferLength = analyser.frequencyBinCount;
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var dataArray = new Uint8Array(bufferLength);
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source.connect(analyser);
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//analyser.connect(audioCtx.destination);
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draw()
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function draw() {
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WIDTH = canvas.width
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HEIGHT = canvas.height;
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requestAnimationFrame(draw);
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analyser.getByteTimeDomainData(dataArray);
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canvasCtx.fillStyle = 'rgb(200, 200, 200)';
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canvasCtx.fillRect(0, 0, WIDTH, HEIGHT);
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canvasCtx.lineWidth = 2;
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canvasCtx.strokeStyle = 'rgb(0, 0, 0)';
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canvasCtx.beginPath();
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var sliceWidth = WIDTH * 1.0 / bufferLength;
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var x = 0;
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for(var i = 0; i < bufferLength; i++) {
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var v = dataArray[i] / 128.0;
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var y = v * HEIGHT/2;
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if(i === 0) {
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canvasCtx.moveTo(x, y);
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} else {
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canvasCtx.lineTo(x, y);
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}
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x += sliceWidth;
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}
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canvasCtx.lineTo(canvas.width, canvas.height/2);
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canvasCtx.stroke();
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}
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}
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window.onresize = function() {
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canvas.width = mainSection.offsetWidth;
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}
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window.onresize();
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@ -0,0 +1,321 @@
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body {font-family: "Old Standard TT"; font-size: 20px; line-height: 1.4; letter-spacing: 1px;}
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section {margin-bottom: 50px;margin-top: 20px;}
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a {font-weight: bold; text-decoration: none; }
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h2 {
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text-align: center;
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letter-spacing: 4px;
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font-size: 28px;}
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table, th, td {vertical-align: top; border-collapse: separate; padding: 6px;}
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button {width: 100px;}
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.short-description{
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margin-left: 40%;
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margin-right: 40%;
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text-align: center;
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}
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.internet {font-weight: regular; font-size: 18px; text-decoration: none; }
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.list {
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padding-top: 10px;
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padding-bottom: 10px;
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list-style: none;
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border-top: 1px solid #47505e;
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}
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.description {
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font-size: 12px;
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float: right;
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font-weight: normal !important;
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}
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/* .mini-player {
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background-size: 100% 100%;
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background-image: url(/project/images/player.png);
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cursor: pointer;
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}*/
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.audio-mini {
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width: 50px;
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}
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.dropbtn {
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font-family: "Old Standard TT";
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font-weight: bold;
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font-size: 24px;
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color: black;
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padding: 16px;
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border: none;
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cursor: pointer;
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}
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.dropbtn:hover, .dropbtn:focus {
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background-color: pink;
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}
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.dropdown {
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position: relative;
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display: inline-block;
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}
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.dropdown-content {
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display: none;
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position: absolute;
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background-color: white;
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min-width: 1900px;
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overflow: auto;
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z-index: 1;
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}
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.dropdown-content a {
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color: black;
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padding: 12px 16px;
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text-decoration: none;
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display: block;
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}
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.dropdown a:hover {background-color: none;}
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.show {display: block;}
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/*style internet sources*/
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.dropbtn2 {
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font-family: "Old Standard TT";
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font-weight: regular;
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font-size: 24px;
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color: black;
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padding: 16px;
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cursor: pointer;
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background-color: rgba(255, 255, 255, 0.9);
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border:1px;
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border-style:solid;
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border-color:black;
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}
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.dropbtn2:hover, .dropbtn2:focus {
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background-color: pink;
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}
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.dropdown2 {
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position: relative;
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display: inline-block;
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}
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.dropdown-content2 {
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display: none;
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position: absolute;
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background-color: white;
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min-width: 1000px;
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overflow: auto;
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z-index: 1;
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border:1px;
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border-style:solid;
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border-color:black;
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}
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.dropdown-content2 a {
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color: black;
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padding: 12px 16px;
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text-decoration: none;
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display: block;
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}
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.dropdown2 a:hover {background-color: none;}
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.show2 {display: block;}
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/*style list of podcasts*/
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.dropbtn3 {
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font-family: "Old Standard TT";
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font-weight: regular;
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font-size: 24px;
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color: black;
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padding: 16px;
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border: none;
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cursor: pointer;
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}
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.dropbtn3:hover, .dropbtn3:focus {
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background-color: pink;
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}
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.dropdown3 {
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position: relative;
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display: inline-block;
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}
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.dropdown-content3 {
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display: none;
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position: absolute;
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background-color: white;
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min-width: 1000px;
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overflow: auto;
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z-index: 1;
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}
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.dropdown-content3 a {
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color: black;
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padding: 12px 16px;
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text-decoration: none;
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display: block;
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}
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.dropdown3 a:hover {background-color: none;}
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.show3 {display: block;}
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/* Make the clips use as much space as possible, and
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* also show a scrollbar when there are too many clips to show
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* in the available space */
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.sound-clips {
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flex: 1;
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overflow: auto;
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}
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/*section, article {
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display: block;
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}*/
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.clip {
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padding-bottom: 1rem;
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}
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/*audio {
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width: 100%;
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display: block;
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margin: 1rem auto 0.5rem;
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}*/
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.clip p {
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display: inline-block;
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font-size: 1rem;
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}
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.clip button {
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font-size: 1rem;
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}
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button.delete {
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background: #f00;
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padding: 0.5rem 0.75rem;
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font-size: 0.8rem;
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}
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/* Checkbox hack to control information box display */
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/*label {
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font-size: 3rem;
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position: absolute;
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top: 2px;
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right: 3px;
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z-index: 5;
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cursor: pointer;
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}*/
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input[type=checkbox] {
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position: absolute;
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top: -100px;
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}
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/*aside {
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position: fixed;
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top: 0;
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left: 0;
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width: 100%;
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height: 100%;
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transform: translateX(100%);
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transition: 0.3s all ease-out;
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background-color: #efefef;
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padding: 1rem;
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}
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aside p {
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font-size: 1.2rem;
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margin: 0.5rem 0;
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}
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aside a {
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color: #666;
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}
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*/
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/* Toggled State of information box */
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input[type=checkbox]:checked ~ aside {
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transform: translateX(0);
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}
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/* Cursor when clip name is clicked over */
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.clip p {
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cursor: pointer;
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}
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/* Adjustments for wider screens */
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@media all and (min-width: 800px) {
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/* Don't take all the space as readability is lost when line length
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goes past a certain size */
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/*.wrapper {
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width: 90%;
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max-width: 1000px;
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margin: 0 auto;
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}*/
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}
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/*hover of images and transcriptions style*/
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.tooltip-wrap {
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position: relative;
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}
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.tooltip-wrap .tooltip-content {
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display: none;
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position: absolute;
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/*top: 20%;*/
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bottom: 100%;
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left: 2%;
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/*right: 100%;*/
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padding: .5em;
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background-color: rgba(255, 255, 255, 0.9) ;
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border:1px;
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border-style:solid;
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border-color:black;
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}
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.tooltip-wrap:hover .tooltip-content {
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display: block;
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}
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/*transcript wrapper,text following audio style*/
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#transcriptWrapper {
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overflow: hidden;
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}
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#transcript > div {
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transition: all .8s ease;
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list-style-type: disc;
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}
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.speaking {
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font-weight:bold
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}
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#transcriptWrapper3 {
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overflow: hidden;
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}
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#transcript3 > div {
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transition: all .8s ease;
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list-style-type: disc;
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}
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.speaking3 {
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font-weight:bold
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}
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/*one image next to the other*/
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.column {
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float: left;
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width: 50%;
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padding: 5px;
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}
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/* Clear floats after image containers */
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.row::after {
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content: "";
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clear: both;
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display: table;
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}
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@ -0,0 +1,23 @@
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<?php
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$save_folder = dirname(__FILE__) ."/js";
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if(! file_exists($save_folder)) {
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if(! mkdir($save_folder)) {
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die("failed to create save folder $save_folder");
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}
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}
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$key = 'filename';
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$tmp_name = $_FILES["audiofile"]["tmp_name"];
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$upload_name = $_FILES["audiofile"]["name"];
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$type = $_FILES["audiofile"]["type"];
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$filename = "$save_folder/$upload_name";
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$saved = 0;
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if(($type == 'audio/x-wav' || $type == 'application/octet-stream') && preg_match('/^[a-zA-Z0-9_\-]+\.wav$/', $upload_name) ) {
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$saved = move_uploaded_file($tmp_name, $filename) ? 1 : 0;
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}
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//name is needed to send in the php file
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?>
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