101 lines
2.4 KiB
JavaScript
101 lines
2.4 KiB
JavaScript
'use strict';
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// Create an instance
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var wavesurfer;
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// Init & load audio file
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document.addEventListener('DOMContentLoaded', function() {
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// Init
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wavesurfer = WaveSurfer.create({
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container: document.querySelector('#waveform'),
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waveColor: '#A8DBA8',
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progressColor: '#3B8686',
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backend: 'MediaElement'
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});
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// Load audio from existing media element
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let mediaElt = document.querySelector('video');
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wavesurfer.on('error', function(e) {
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console.warn(e);
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});
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wavesurfer.load(mediaElt);
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document
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.querySelector('[data-action="play"]')
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.addEventListener('click', wavesurfer.playPause.bind(wavesurfer));
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document
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.querySelector('[data-action="peaks"]')
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.addEventListener('click', function() {
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wavesurfer.load(mediaElt, [
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0.0218,
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0.0183,
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0.0165,
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0.0198,
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0.2137,
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0.2888,
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0.2313,
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0.15,
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0.2542,
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0.2538,
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0.2358,
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0.1195,
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0.1591,
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0.2599,
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0.2742,
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0.1447,
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0.2328,
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0.1878,
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0.1988,
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0.1645,
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0.1218,
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0.2005,
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0.2828,
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0.2051,
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0.1664,
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0.1181,
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0.1621,
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0.2966,
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0.189,
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0.246,
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0.2445,
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0.1621,
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0.1618,
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0.189,
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0.2354,
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0.1561,
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0.1638,
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0.2799,
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0.0923,
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0.1659,
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0.1675,
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0.1268,
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0.0984,
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0.0997,
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0.1248,
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0.1495,
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0.1431,
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0.1236,
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0.1755,
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0.1183,
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0.1349,
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0.1018,
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0.1109,
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0.1833,
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0.1813,
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0.1422,
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0.0961,
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0.1191,
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0.0791,
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0.0631,
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0.0315,
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0.0157,
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0.0166,
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0.0108
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]);
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document.body.scrollTop = 0;
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});
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});
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