ehpersonal38
358 lines
11 KiB
PHP
358 lines
11 KiB
PHP
<?php
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if(isset($_GET['ajax_csv'])) {
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if (file_exists('./scripts/thisrun.txt')) {
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$config = parse_ini_file('./scripts/thisrun.txt');
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} elseif (file_exists('./scripts/firstrun.ini')) {
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$config = parse_ini_file('./scripts/firstrun.ini');
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}
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$RECS_DIR = $config["RECS_DIR"];
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$user = shell_exec("awk -F: '/1000/{print $1}' /etc/passwd");
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$home = shell_exec("awk -F: '/1000/{print $6}' /etc/passwd");
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$home = trim($home);
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$files = scandir($RECS_DIR."/".date('F-Y')."/".date('d-l')."/", SCANDIR_SORT_ASCENDING);
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$newest_file = $files[2];
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if($newest_file == $_GET['newest_file']) {
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die();
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}
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echo time()."\n";
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echo "file,".$newest_file."\n";
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$row = 1;
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if (($handle = fopen($RECS_DIR."/".date('F-Y')."/".date('d-l')."/".$newest_file.".csv", "r")) !== FALSE) {
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while (($data = fgetcsv($handle, 1000, ",")) !== FALSE) {
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if($row != 1){
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$num = count($data);
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for ($c=0; $c < $num; $c++) {
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$exp = explode(';',$data[$c]);
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echo $exp[0].",".$exp[3].",".$exp[4]."\n";
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}
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}
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$row++;
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}
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fclose($handle);
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}
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die();
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}
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?>
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<script>
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// CREDITS: https://codepen.io/jakealbaugh/pen/jvQweW
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// UPDATE: there is a problem in chrome with starting audio context
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// before a user gesture. This fixes it.
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var started = null;
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var player = null;
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var gain = 128;
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const ctx = null;
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let fps =[];
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let avgfps;
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let requestTime;
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window.onload = function(){
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// if user agent includes iPhone or Mac use legacy mode
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if(window.navigator.userAgent.includes("iPhone") || window.navigator.userAgent.includes("Mac")) {
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document.getElementById("spectrogramimage").style.display="";
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document.body.querySelector('canvas').remove();
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document.getElementById('player').remove();
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document.body.querySelector('h1').remove();
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<?php
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if (file_exists('./scripts/thisrun.txt')) {
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$config = parse_ini_file('./scripts/thisrun.txt');
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} elseif (file_exists('./scripts/firstrun.ini')) {
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$config = parse_ini_file('./scripts/firstrun.ini');
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}
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$refresh = $config['RECORDING_LENGTH'];
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$time = time();
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?>
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// every $refresh seconds, this loop will run and refresh the spectrogram image
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window.setInterval(function(){
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document.getElementById("spectrogramimage").src = "/spectrogram.png?nocache="+Date.now();
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}, <?php echo $refresh; ?>*1000);
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} else {
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document.getElementById("spectrogramimage").remove();
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var audioelement = window.parent.document.getElementsByTagName("audio")[0];
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if (typeof(audioelement) != 'undefined') {
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document.getElementById('player').remove();
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player = audioelement;
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if (started) return;
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started = true;
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initialize();
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} else {
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player = document.getElementById('player');
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player.oncanplay = function() {
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if (started) return;
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started = true;
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initialize();
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};
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}
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player.play();
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}
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};
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function fitTextOnCanvas(text,fontface,yPosition){
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var fontsize=300;
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do{
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fontsize--;
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CTX.font=fontsize+"px "+fontface;
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}while(CTX.measureText(text).width>document.body.querySelector('canvas').width)
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CTX.font = CTX.font=(fontsize*0.35)+"px "+fontface;
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CTX.fillText(text,document.body.querySelector('canvas').width - (document.body.querySelector('canvas').width * 0.50),yPosition);
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}
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function applyText(text,x,y,opacity) {
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console.log("conf: "+opacity)
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console.log(text+" "+parseInt(x)+" "+y)
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if(opacity < 0.2) {
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opacity = 0.2;
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}
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CTX.textAlign = "center";
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CTX.fillStyle = "rgba(255, 255, 255, "+opacity+")";
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CTX.font = '15px Roboto Flex';
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//fitTextOnCanvas(text,"Roboto Flex",document.body.querySelector('canvas').scrollHeight * 0.35)
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CTX.fillText(text,parseInt(x),y)
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CTX.fillStyle = 'hsl(280, 100%, 10%)';
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}
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var add =0;
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var newest_file;
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var lastbird;
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function loadDetectionIfNewExists() {
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const xhttp = new XMLHttpRequest();
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xhttp.onload = function() {
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// if there's a new detection that needs to be updated to the page
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if(this.responseText.length > 0 && !this.responseText.includes("Database")) {
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var split = this.responseText.split("\n")
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for(var i = 2;i < split.length; i++) {
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if(parseInt(split[i].split(",")[0]) >= 0){
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newest_file = split[1].split(",")[1]
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//applyText(split[i].split(",")[1],document.body.querySelector('canvas').width - ((parseInt(split[i].split(",")[0]))*avgfps), (document.body.querySelector('canvas').height * 0.50))
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d1 = new Date(newest_file.split("-")[0]+"/"+newest_file.split("-")[1]+"/"+newest_file.split("-")[2]+ " "+newest_file.split("-")[4].replace(".wav",""))
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console.log("d1 "+d1)
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d2 = new Date(parseInt(split[0])*1000);
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console.log("d2 "+d2)
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timeDiff = (d2-d1)/1000;
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// stagger Y placement if a new bird
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if(split[i].split(",")[1] != lastbird || split[i].split(",")[1].length > 13) {
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add+= 15;
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if(add >= 120) {
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add = 0;
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}
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//if(parseFloat(add + document.body.querySelector('canvas').height * 0.50) > document.body.querySelector('canvas').height || parseFloat(add + document.body.querySelector('canvas').height * 0.50) <= 0) {
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// add = 0;
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//}
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}
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// Date csv file was created + relative detection time of bird + mic delay
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secago = Math.abs(timeDiff) - split[i].split(",")[0] - 6.8;
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x = document.body.querySelector('canvas').width - ((parseInt(secago))*avgfps);
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// if the text is too close to the right side of the canvas and will be cut off, wait 3 seconds before adding text
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if(x > document.body.querySelector('canvas').width - (3*avgfps)) {
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setTimeout(function (split,i,x) {
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console.log(split[i])
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console.log("originally at "+x+", now waiting 2 sec and at "+(x-(3*avgfps)))
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applyText(split[i].split(",")[1],(x - (3*avgfps)), ((document.body.querySelector('canvas').height * 0.50) + add ), split[i].split(",")[2]);
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}, 2000, split, i, x)
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} else {
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applyText(split[i].split(",")[1],x, ((document.body.querySelector('canvas').height * 0.50) + add ), split[i].split(",")[2])
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}
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lastbird = split[i].split(",")[1]
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}
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}
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}
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}
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xhttp.open("GET", "spectrogram.php?ajax_csv=true&newest_file="+newest_file, true);
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xhttp.send();
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}
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window.setInterval(function(){
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loadDetectionIfNewExists();
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}, 500);
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var compressor = undefined;
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var SOURCE;
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var ACTX;
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var ANALYSER;
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var gainNode;
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function toggleCompression(state) {
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//var biquadFilter = ACTX.createBiquadFilter();
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//biquadFilter.type = "highpass";
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// biquadFilter.frequency.setValueAtTime(13000, ACTX.currentTime);
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if(state == true) {
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SOURCE.disconnect(gainNode)
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gainNode.disconnect(ANALYSER);
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gainNode.disconnect(ACTX.destination);
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SOURCE.connect(compressor);
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compressor.connect(ANALYSER);
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ANALYSER.connect(gainNode);
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gainNode.connect(ACTX.destination);
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//biquadFilter.connect(ANALYSER);
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//biquadFilter.connect(ACTX.destination);
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} else {
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SOURCE.disconnect(compressor);
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compressor.disconnect(ANALYSER);
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ANALYSER.disconnect(gainNode);
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gainNode.disconnect(ACTX.destination);
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SOURCE.connect(gainNode);
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gainNode.connect(ANALYSER);
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gainNode.connect(ACTX.destination);
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}
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}
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function initialize() {
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document.body.querySelector('h1').remove();
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const CVS = document.body.querySelector('canvas');
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CTX = CVS.getContext('2d');
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const W = CVS.width = window.innerWidth;
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const H = CVS.height = window.innerHeight;
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ACTX = new AudioContext();
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ANALYSER = ACTX.createAnalyser();
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ANALYSER.fftSize = 2048;
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try{
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process();
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} catch(e) {
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console.log(e)
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window.top.location.reload();
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}
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function process() {
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SOURCE = ACTX.createMediaElementSource(player);
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compressor = ACTX.createDynamicsCompressor();
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compressor.threshold.setValueAtTime(-50, ACTX.currentTime);
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compressor.knee.setValueAtTime(40, ACTX.currentTime);
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compressor.ratio.setValueAtTime(12, ACTX.currentTime);
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compressor.attack.setValueAtTime(0, ACTX.currentTime);
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compressor.release.setValueAtTime(0.25, ACTX.currentTime);
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gainNode = ACTX.createGain();
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gainNode.gain = 1;
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SOURCE.connect(gainNode);
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gainNode.connect(ANALYSER);
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gainNode.connect(ACTX.destination);
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document.getElementById("compression").removeAttribute("disabled");
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console.log(SOURCE);
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const DATA = new Uint8Array(ANALYSER.frequencyBinCount);
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const LEN = DATA.length;
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const h = (H / LEN + 0.9);
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const x = W - 1;
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CTX.fillStyle = 'hsl(280, 100%, 10%)';
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CTX.fillRect(0, 0, W, H);
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loop();
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function loop(time) {
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if (requestTime) {
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fpsval = Math.round(1000/((performance.now() - requestTime)))
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if(fpsval > 0){
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fps.push( fpsval);
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}
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}
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if(fps.length > 0){
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avgfps = fps.reduce((a, b) => a + b) / fps.length;
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}
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requestTime = time;
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window.requestAnimationFrame((timeRes) => loop(timeRes));
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let imgData = CTX.getImageData(1, 0, W - 1, H);
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CTX.fillRect(0, 0, W, H);
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CTX.putImageData(imgData, 0, 0);
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ANALYSER.getByteFrequencyData(DATA);
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for (let i = 0; i < LEN; i++) {
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let rat = DATA[i] / 255 ;
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let hue = Math.round((rat * 120) + 280 % 360);
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let sat = '100%';
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let lit = 10 + (70 * rat) + '%';
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CTX.beginPath();
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CTX.strokeStyle = `hsl(${hue}, ${sat}, ${lit})`;
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CTX.moveTo(x, H - (i * h));
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CTX.lineTo(x, H - (i * h + h));
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CTX.stroke();
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}
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}
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}
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}
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</script>
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<style>
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html, body {
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height: 100%;
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}
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canvas {
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display: block;
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height: 85%;
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width: 100%;
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}
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h1 {
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position: absolute;
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top: 50%;
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left: 50%;
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transform: translate(-50%, -50%);
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margin: 0;
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}
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</style>
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<img id="spectrogramimage" style="width:100%;height:100%;display:none" src="/spectrogram.png?nocache=<?php echo $time;?>">
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<div class="centered">
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<div style="display:inline" id="gain" >
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<label>Gain: </label>
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<span class="slidecontainer">
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<input name="gain_input" type="range" min="0" max="250" value="100" class="slider" id="gain_input">
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<span id="gain_value"></span>%
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</span>
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</div>
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—
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<div style="display:inline" id="comp" >
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<label>Compression: </label>
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<input name="compression" type="checkbox" id="compression" disabled>
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</div>
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</div>
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<audio style="display:none" controls="" crossorigin="anonymous" id='player' preload="none"><source src="/stream"></audio>
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<h1>Loading...</h1>
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<canvas></canvas>
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<script>
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var slider = document.getElementById("gain_input");
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var output = document.getElementById("gain_value");
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output.innerHTML = slider.value; // Display the default slider value
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// Update the current slider value (each time you drag the slider handle)
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slider.oninput = function() {
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output.innerHTML = this.value;
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gainNode.gain.setValueAtTime((this.value/(100/2)), ACTX.currentTime);
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gain=Math.abs(this.value - 255);
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}
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var compression = document.getElementById("compression");
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compression.onclick = function() {
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toggleCompression(this.checked);
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}
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</script>
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