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<!--
- @copyright Copyright (c) 2021 Marco Ambrosini <marcoambrosini@pm.me>
-
- @author Marco Ambrosini <marcoambrosini@pm.me>
-
- @license GNU AGPL version 3 or any later version
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU Affero General Public License as
- published by the Free Software Foundation, either version 3 of the
- License, or (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Affero General Public License for more details.
-
- You should have received a copy of the GNU Affero General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-->
<template>
<div
class="audio-recorder">
<button
v-if="!isRecording"
class="audio-recorder__trigger nc-button nc-button__main"
@click="start">
<Microphone
:size="16"
title=""
decorative />
</button>
<div v-else class="wrapper">
<button
class="audio-recorder__stop nc-button nc-button__main"
@click="abortRecording">
<Close
:size="16"
title=""
decorative />
</button>
<div class="audio-recorder__info">
<div class="recording-indicator fadeOutIn" />
<span
class="time">
{{ parsedRecordTime }}</span>
</div>
<button
class="audio-recorder__trigger nc-button nc-button__main"
:class="{'audio-recorder__trigger--recording': isRecording}"
@click="stop">
<Check
:size="16"
title=""
decorative />
</button>
</div>
</div>
</template>
<script>
import Microphone from 'vue-material-design-icons/Microphone'
import Close from 'vue-material-design-icons/Close'
import Check from 'vue-material-design-icons/Check'
import { mediaDevicesManager } from '../../../utils/webrtc/index'
export default {
name: 'AudioRecorder',
components: {
Microphone,
Close,
Check,
},
data() {
return {
// The audio stream object
audioStream: null,
// The media recorder which generate the recorded chunks
mediaRecorder: null,
// The chunks array
chunks: [],
// The final audio file blob
blob: null,
// The blob url
URL: '',
// Switched to true if the recording is aborted
aborted: false,
// recordTimer
recordTimer: null,
// the record timer
recordTime: {
minutes: 0,
seconds: 0,
},
}
},
computed: {
// Recording state of the mediaRecorder
isRecording() {
if (this.mediaRecorder) {
return this.mediaRecorder.state === 'recording'
} else {
return false
}
},
parsedRecordTime() {
const seconds = this.recordTime.seconds.toString().length === 2 ? this.recordTime.seconds : `0${this.recordTime.seconds}`
const minutes = this.recordTime.minutes.toString().length === 2 ? this.recordTime.minutes : `0${this.recordTime.minutes}`
return `${minutes}:${seconds}`
},
},
watch: {
isRecording(newValue) {
console.debug('isRecording', newValue)
},
},
methods: {
/**
* Initialize the media stream and start capturing the audio
*/
async start() {
try {
// Create new audio stream
this.audioStream = await mediaDevicesManager.getUserMedia({
audio: true,
})
// Create a mediarecorder to capture the stream
this.mediaRecorder = new MediaRecorder(this.audioStream)
// Add event handler to ondataAvailable
this.mediaRecorder.ondataavailable = (e) => {
this.chunks.push(e.data)
}
// Add event handler to onstop
this.mediaRecorder.onstop = this.generateFile
// Start the recording
this.mediaRecorder.start()
// Start the timer
this.recordTimer = setInterval(() => {
if (this.recordTime.seconds === 59) {
this.recordTime.minutes++
this.recordTime.seconds = 0
}
this.recordTime.seconds++
}, 1000)
// Forward an event to let the parent NewMessageForm component
// that there's an undergoing recording operation
this.$emit('recording', true)
console.debug(this.mediaRecorder.state)
} catch (exception) {
console.debug(exception)
}
},
/**
* Stop the mediaRecorder
*/
stop() {
this.mediaRecorder.stop()
clearInterval(this.recordTimer)
this.$emit('recording', false)
},
/**
* Generate the file
*/
generateFile() {
if (!this.aborted) {
this.blob = new Blob(this.chunks, { 'type': 'audio/mpeg-3' })
// Convert blob to file
const audioFile = new File([this.blob], `${Date.now()}.mp3`)
this.$emit('audioFile', audioFile)
this.$emit('recording', false)
this.URL = window.URL.createObjectURL(this.blob)
}
this.resetComponentData()
},
/**
* Aborts the recording operation.
*/
abortRecording() {
this.aborted = true
this.stop()
},
/**
* Resets this component to its initial state
*/
resetComponentData() {
this.audioStream = null
this.mediaRecorder = null
this.chunks = []
this.blob = null
this.aborted = false
this.isAudiorecorderActive = false
this.recordTime = {
minutes: 0,
seconds: 0,
}
},
},
}
</script>
<style lang="scss" scoped>
@import '../../../assets/buttons';
.audio-recorder {
display: flex;
// Audio record button
&__trigger {
&--recording {
background-color: var(--color-success) !important;
opacity: .8;
color: white;
&:hover,
&:focus {
opacity: 1;
}
}
}
&__stop {
margin-left: 4px;
background-color: var(--color-error) !important;
color: white;
opacity: .8;
&:hover,
&:focus {
opacity: 1;
}
}
&__info {
width: 86px;
display: flex;
justify-content: center;
align-items: center;
.time {
flex: 0 0 50px;
}
.recording-indicator {
width: 16px;
height: 16px;
flex: 0 0 16px;
border-radius: 8px;
background-color: var(--color-error);
margin: 8px;
}
}
}
.wrapper {
display: flex;
}
@keyframes fadeOutIn {
0% { opacity:1; }
50% { opacity:.3; }
100% { opacity:1; }
}
.fadeOutIn {
animation: fadeOutIn 3s infinite;
}
</style>
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