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fix: (Record) use setInterval and 100 FPS
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,201 @@ | ||
| // Record plugin | ||
|
|
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| import WaveSurfer from 'wavesurfer.js' | ||
| import RecordPlugin from 'wavesurfer.js/dist/plugins/record.esm.js' | ||
|
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| let wavesurfer, record | ||
| let scrollingWaveform = false | ||
| let continuousWaveform = true | ||
|
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| const wavesurfer2 = WaveSurfer.create({ | ||
| container: document.body, | ||
| waveColor: 'rgb(200, 0, 200)', | ||
| progressColor: 'rgb(100, 0, 100)', | ||
| url: '/examples/audio/audio.wav', | ||
|
|
||
| // Set a bar width | ||
| barWidth: 2, | ||
| // Optionally, specify the spacing between bars | ||
| barGap: 1, | ||
| // And the bar radius | ||
| barRadius: 2, | ||
| }) | ||
|
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||
| wavesurfer2.on('ready', function() { | ||
| const createWaveSurfer = () => { | ||
| // Destroy the previous wavesurfer instance | ||
| if (wavesurfer) { | ||
| wavesurfer.destroy() | ||
| } | ||
|
|
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| // Create a new Wavesurfer instance | ||
| wavesurfer = WaveSurfer.create({ | ||
| container: '#mic', | ||
| waveColor: 'rgb(200, 0, 200)', | ||
| progressColor: 'rgb(100, 0, 100)', | ||
| }) | ||
|
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| // Initialize the Record plugin | ||
| record = wavesurfer.registerPlugin( | ||
| RecordPlugin.create({ | ||
| renderRecordedAudio: false, | ||
| scrollingWaveform, | ||
| continuousWaveform, | ||
| continuousWaveformDuration: wavesurfer2.getDuration(), | ||
| }), | ||
| ) | ||
|
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| // Render recorded audio | ||
| record.on('record-end', (blob) => { | ||
| const container = document.querySelector('#recordings') | ||
| const recordedUrl = URL.createObjectURL(blob) | ||
|
|
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| // Create wavesurfer from the recorded audio | ||
| const wavesurfer = WaveSurfer.create({ | ||
| container, | ||
| waveColor: 'rgb(200, 100, 0)', | ||
| progressColor: 'rgb(100, 50, 0)', | ||
| url: recordedUrl, | ||
| }) | ||
|
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| // Play button | ||
| const button = container.appendChild(document.createElement('button')) | ||
| button.textContent = 'Play' | ||
| button.onclick = () => wavesurfer.playPause() | ||
| wavesurfer.on('pause', () => (button.textContent = 'Play')) | ||
| wavesurfer.on('play', () => (button.textContent = 'Pause')) | ||
|
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| // Download link | ||
| const link = container.appendChild(document.createElement('a')) | ||
| Object.assign(link, { | ||
| href: recordedUrl, | ||
| download: 'recording.' + blob.type.split(';')[0].split('/')[1] || 'webm', | ||
| textContent: 'Download recording', | ||
| }) | ||
| }) | ||
| pauseButton.style.display = 'none' | ||
| recButton.textContent = 'Record' | ||
|
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| record.on('record-progress', (time) => { | ||
| updateProgress(time) | ||
| }) | ||
| } | ||
|
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| const progress = document.querySelector('#progress') | ||
| const updateProgress = (time) => { | ||
| // time will be in milliseconds, convert it to mm:ss format | ||
| const formattedTime = [ | ||
| Math.floor((time % 3600000) / 60000), // minutes | ||
| Math.floor((time % 60000) / 1000), // seconds | ||
| ] | ||
| .map((v) => (v < 10 ? '0' + v : v)) | ||
| .join(':') | ||
| progress.textContent = formattedTime | ||
| } | ||
|
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| const pauseButton = document.querySelector('#pause') | ||
| pauseButton.onclick = () => { | ||
| if (record.isPaused()) { | ||
| wavesurfer2.play() | ||
| record.resumeRecording() | ||
| pauseButton.textContent = 'Pause' | ||
| return | ||
| } | ||
|
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| wavesurfer2.pause() | ||
| record.pauseRecording() | ||
| pauseButton.textContent = 'Resume' | ||
| } | ||
|
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| const micSelect = document.querySelector('#mic-select') | ||
| { | ||
| // Mic selection | ||
| RecordPlugin.getAvailableAudioDevices().then((devices) => { | ||
| devices.forEach((device) => { | ||
| const option = document.createElement('option') | ||
| option.value = device.deviceId | ||
| option.text = device.label || device.deviceId | ||
| micSelect.appendChild(option) | ||
| }) | ||
| }) | ||
| } | ||
| // Record button | ||
| const recButton = document.querySelector('#record') | ||
|
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| recButton.onclick = () => { | ||
| wavesurfer2.play() | ||
| if (record.isRecording() || record.isPaused()) { | ||
| wavesurfer2.pause() | ||
| record.stopRecording() | ||
| recButton.textContent = 'Record' | ||
| pauseButton.style.display = 'none' | ||
| return | ||
| } | ||
|
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| recButton.disabled = true | ||
|
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| // reset the wavesurfer instance | ||
|
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| // get selected device | ||
| const deviceId = micSelect.value | ||
| record.startRecording({ deviceId }).then(() => { | ||
| recButton.textContent = 'Stop' | ||
| recButton.disabled = false | ||
| pauseButton.style.display = 'inline' | ||
| }) | ||
| } | ||
|
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| document.querySelector('#scrollingWaveform').onclick = (e) => { | ||
| scrollingWaveform = e.target.checked | ||
| if (continuousWaveform && scrollingWaveform) { | ||
| continuousWaveform = false | ||
| document.querySelector('#continuousWaveform').checked = false | ||
| } | ||
| createWaveSurfer() | ||
| } | ||
|
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| document.querySelector('#continuousWaveform').onclick = (e) => { | ||
| continuousWaveform = e.target.checked | ||
| if (continuousWaveform && scrollingWaveform) { | ||
| scrollingWaveform = false | ||
| document.querySelector('#scrollingWaveform').checked = false | ||
| } | ||
| createWaveSurfer() | ||
| } | ||
|
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| createWaveSurfer() | ||
| }) | ||
|
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| /* | ||
| <html> | ||
| <h1 style="margin-top: 0">Press Record to start recording 🎙️</h1> | ||
| <p> | ||
| 📖 <a href="https://wavesurfer.xyz/docs/classes/plugins_record.RecordPlugin">Record plugin docs</a> | ||
| </p> | ||
| <button id="record">Record</button> | ||
| <button id="pause" style="display: none;">Pause</button> | ||
| <select id="mic-select"> | ||
| <option value="" hidden>Select mic</option> | ||
| </select> | ||
| <label><input type="checkbox" id="scrollingWaveform" /> Scrolling waveform</label> | ||
| <label><input type="checkbox" id="continuousWaveform" checked="checked" /> Continuous waveform</label> | ||
| <p id="progress">00:00</p> | ||
| <div id="mic" style="border-radius: 4px; margin-top: 1rem"></div> | ||
| <div id="recordings" style="margin: 1rem 0"></div> | ||
| <style> | ||
| button { | ||
| min-width: 5rem; | ||
| margin: 1rem 1rem 1rem 0; | ||
| } | ||
| </style> | ||
| </html> | ||
| */ |
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