audiobookshelf/client/components/AudioPlayer.vue

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<template>
<div class="w-full">
<div class="w-full relative mb-4">
<div class="absolute left-2 top-0 bottom-0 h-full flex items-center">
<p ref="currentTimestamp" class="font-mono text-sm">00:00:00</p>
</div>
<div class="absolute right-2 top-0 bottom-0 h-full flex items-center">
<p class="font-mono text-sm">{{ totalDurationPretty }}</p>
</div>
<div class="absolute right-24 top-0 bottom-0">
<controls-volume-control v-model="volume" @input="updateVolume" />
</div>
<div class="flex my-2">
<div class="flex-grow" />
<template v-if="!loading">
<div class="cursor-pointer flex items-center justify-center text-gray-300 mr-8" @mousedown.prevent @mouseup.prevent @click.stop="restart">
<span class="material-icons text-3xl">first_page</span>
</div>
<div class="cursor-pointer flex items-center justify-center text-gray-300" @mousedown.prevent @mouseup.prevent @click.stop="backward10">
<span class="material-icons text-3xl">replay_10</span>
</div>
<div class="cursor-pointer p-2 shadow-sm bg-accent flex items-center justify-center rounded-full text-primary mx-8" :class="seekLoading ? 'animate-spin' : ''" @mousedown.prevent @mouseup.prevent @click.stop="playPauseClick">
<span class="material-icons">{{ seekLoading ? 'autorenew' : isPaused ? 'play_arrow' : 'pause' }}</span>
</div>
<div class="cursor-pointer flex items-center justify-center text-gray-300" @mousedown.prevent @mouseup.prevent @click.stop="forward10">
<span class="material-icons text-3xl">forward_10</span>
</div>
<controls-playback-speed-control v-model="playbackRate" @change="updatePlaybackRate" />
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</template>
<template v-else>
<div class="cursor-pointer p-2 shadow-sm bg-accent flex items-center justify-center rounded-full text-primary mx-8 animate-spin">
<span class="material-icons">autorenew</span>
</div>
</template>
<div class="flex-grow" />
</div>
</div>
<div class="relative">
<!-- Track -->
<div ref="track" class="w-full h-2 bg-gray-700 relative cursor-pointer transform duration-100 hover:scale-y-125 overflow-hidden" @mousemove="mousemoveTrack" @mouseleave="mouseleaveTrack" @click.stop="clickTrack">
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<div ref="readyTrack" class="h-full bg-gray-600 absolute top-0 left-0 pointer-events-none" />
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<div ref="bufferTrack" class="h-full bg-gray-400 absolute top-0 left-0 pointer-events-none" />
<div ref="playedTrack" class="h-full bg-gray-200 absolute top-0 left-0 pointer-events-none" />
<div ref="trackCursor" class="h-full w-0.5 bg-gray-50 absolute top-0 left-0 opacity-0 pointer-events-none" />
<div v-if="loading" class="h-full w-1/4 absolute left-0 top-0 loadingTrack pointer-events-none bg-white bg-opacity-25" />
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</div>
<!-- Hover timestamp -->
<div ref="hoverTimestamp" class="absolute -top-8 left-0 bg-white text-black rounded-full opacity-0 pointer-events-none">
<p ref="hoverTimestampText" class="text-xs font-mono text-center px-2 py-0.5">00:00</p>
<div class="absolute -bottom-1.5 left-0 right-0 w-full flex justify-center">
<div class="arrow-down" />
</div>
</div>
</div>
<audio ref="audio" @pause="paused" @playing="playing" @progress="progress" @timeupdate="timeupdate" @loadeddata="audioLoadedData" />
</div>
</template>
<script>
import Hls from 'hls.js'
export default {
props: {
loading: Boolean
},
data() {
return {
hlsInstance: null,
staleHlsInstance: null,
volume: 0.5,
playbackRate: 1,
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trackWidth: 0,
isPaused: true,
url: null,
src: null,
playedTrackWidth: 0,
bufferTrackWidth: 0,
readyTrackWidth: 0,
audioEl: null,
totalDuration: 0,
seekedTime: 0,
seekLoading: false
}
},
computed: {
token() {
return this.$store.getters.getToken
},
totalDurationPretty() {
return this.$secondsToTimestamp(this.totalDuration)
}
},
methods: {
seek(time) {
if (this.loading) {
return
}
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if (this.seekLoading) {
console.error('Already seek loading', this.seekedTime)
return
}
if (!this.audioEl) {
console.error('No Audio el for seek', time)
return
}
this.seekedTime = time
this.seekLoading = true
console.warn('SEEK TO', this.$secondsToTimestamp(time))
this.audioEl.currentTime = time
if (this.$refs.playedTrack) {
var perc = time / this.audioEl.duration
var ptWidth = Math.round(perc * this.trackWidth)
this.$refs.playedTrack.style.width = ptWidth + 'px'
this.playedTrackWidth = ptWidth
this.$refs.playedTrack.classList.remove('bg-gray-200')
this.$refs.playedTrack.classList.add('bg-yellow-300')
}
},
updateVolume(volume) {
if (this.audioEl) {
this.audioEl.volume = volume
}
},
updatePlaybackRate(playbackRate) {
if (this.audioEl) {
console.log('UpdatePlaybackRate', playbackRate)
this.audioEl.playbackRate = playbackRate
} else {
console.error('No Audio El updatePlaybackRate')
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}
},
mousemoveTrack(e) {
var offsetX = e.offsetX
var time = (offsetX / this.trackWidth) * this.totalDuration
if (this.$refs.hoverTimestamp) {
var width = this.$refs.hoverTimestamp.clientWidth
this.$refs.hoverTimestamp.style.opacity = 1
this.$refs.hoverTimestamp.style.left = offsetX - width / 2 + 'px'
}
if (this.$refs.hoverTimestampText) {
this.$refs.hoverTimestampText.innerText = this.$secondsToTimestamp(time)
}
if (this.$refs.trackCursor) {
this.$refs.trackCursor.style.opacity = 1
this.$refs.trackCursor.style.left = offsetX - 1 + 'px'
}
},
mouseleaveTrack() {
if (this.$refs.hoverTimestamp) {
this.$refs.hoverTimestamp.style.opacity = 0
}
if (this.$refs.trackCursor) {
this.$refs.trackCursor.style.opacity = 0
}
},
restart() {
this.seek(0)
},
backward10() {
var newTime = this.audioEl.currentTime - 10
newTime = Math.max(0, newTime)
this.seek(newTime)
},
forward10() {
var newTime = this.audioEl.currentTime + 10
newTime = Math.min(this.audioEl.duration, newTime)
this.seek(newTime)
},
sendStreamUpdate() {
if (!this.audioEl) return
this.$emit('updateTime', this.audioEl.currentTime)
},
setStreamReady() {
this.readyTrackWidth = this.trackWidth
this.$refs.readyTrack.style.width = this.trackWidth + 'px'
},
setChunksReady(chunks, numSegments) {
var largestSeg = 0
for (let i = 0; i < chunks.length; i++) {
var chunk = chunks[i]
if (typeof chunk === 'string') {
var chunkRange = chunk.split('-').map((c) => Number(c))
if (chunkRange.length < 2) continue
if (chunkRange[1] > largestSeg) largestSeg = chunkRange[1]
} else if (chunk > largestSeg) {
largestSeg = chunk
}
}
var percentageReady = largestSeg / numSegments
var widthReady = Math.round(this.trackWidth * percentageReady)
if (this.readyTrackWidth === widthReady) return
this.readyTrackWidth = widthReady
this.$refs.readyTrack.style.width = widthReady + 'px'
},
updateTimestamp() {
var ts = this.$refs.currentTimestamp
if (!ts) {
console.error('No timestamp el')
return
}
if (!this.audioEl) {
console.error('No Audio El')
return
}
var currTimeClean = this.$secondsToTimestamp(this.audioEl.currentTime)
ts.innerText = currTimeClean
},
clickTrack(e) {
var offsetX = e.offsetX
var perc = offsetX / this.trackWidth
var time = perc * this.audioEl.duration
if (isNaN(time) || time === null) {
console.error('Invalid time', perc, time)
return
}
this.seek(time)
},
playPauseClick() {
if (this.isPaused) {
this.play()
} else {
this.pause()
}
},
isValidDuration(duration) {
if (duration && !isNaN(duration) && duration !== Number.POSITIVE_INFINITY && duration !== Number.NEGATIVE_INFINITY) {
return true
}
return false
},
getBufferedRanges() {
if (!this.audioEl) return []
const ranges = []
const seekable = this.audioEl.buffered || []
let offset = 0
for (let i = 0, length = seekable.length; i < length; i++) {
let start = seekable.start(i)
let end = seekable.end(i)
if (!this.isValidDuration(start)) {
start = 0
}
if (!this.isValidDuration(end)) {
end = 0
continue
}
ranges.push({
start: start + offset,
end: end + offset
})
}
return ranges
},
getLastBufferedTime() {
var bufferedRanges = this.getBufferedRanges()
if (!bufferedRanges.length) return 0
var buff = bufferedRanges.find((buff) => buff.start < this.audioEl.currentTime && buff.end > this.audioEl.currentTime)
if (buff) return buff.end
var last = bufferedRanges[bufferedRanges.length - 1]
return last.end
},
progress() {
if (!this.audioEl) {
return
}
var lastbuff = this.getLastBufferedTime()
this.sendStreamUpdate()
var bufferlen = (lastbuff / this.audioEl.duration) * this.trackWidth
bufferlen = Math.round(bufferlen)
if (this.bufferTrackWidth === bufferlen || !this.$refs.bufferTrack) return
this.$refs.bufferTrack.style.width = bufferlen + 'px'
this.bufferTrackWidth = bufferlen
},
timeupdate() {
// console.log('Time update', this.audioEl.currentTime)
if (!this.$refs.playedTrack) {
console.error('Invalid no played track ref')
return
}
if (!this.audioEl) {
console.error('No Audio El')
return
}
if (this.seekLoading) {
this.seekLoading = false
if (this.$refs.playedTrack) {
this.$refs.playedTrack.classList.remove('bg-yellow-300')
this.$refs.playedTrack.classList.add('bg-gray-200')
}
}
this.updateTimestamp()
var perc = this.audioEl.currentTime / this.audioEl.duration
var ptWidth = Math.round(perc * this.trackWidth)
if (this.playedTrackWidth === ptWidth) {
return
}
this.$refs.playedTrack.style.width = ptWidth + 'px'
this.playedTrackWidth = ptWidth
},
paused() {
if (!this.$refs.audio) {
console.error('No audio on paused()')
return
}
this.isPaused = this.$refs.audio.paused
},
playing() {
if (!this.$refs.audio) {
console.error('No audio on playing()')
return
}
this.isPaused = this.$refs.audio.paused
},
audioLoadedData() {
this.totalDuration = this.audioEl.duration
},
set(url, currentTime, playOnLoad = false) {
if (this.hlsInstance) {
this.terminateStream()
}
if (!this.$refs.audio) {
console.error('No audio widget')
return
}
this.url = url
if (process.env.NODE_ENV === 'development') {
url = `${process.env.serverUrl}${url}`
}
this.src = url
console.log('[AudioPlayer-Set] Set url', url)
var hlsOptions = {
startPosition: currentTime || -1,
xhrSetup: (xhr) => {
xhr.setRequestHeader('Authorization', `Bearer ${this.token}`)
}
}
console.log('[AudioPlayer-Set] HLS Config', hlsOptions)
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this.hlsInstance = new Hls(hlsOptions)
var audio = this.$refs.audio
audio.volume = this.volume
audio.playbackRate = this.playbackRate
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this.hlsInstance.attachMedia(audio)
this.hlsInstance.on(Hls.Events.MEDIA_ATTACHED, () => {
// console.log('[HLS] MEDIA ATTACHED')
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this.hlsInstance.loadSource(url)
this.hlsInstance.on(Hls.Events.MANIFEST_PARSED, function () {
console.log('[HLS] Manifest Parsed')
if (playOnLoad) {
audio.play()
}
})
this.hlsInstance.on(Hls.Events.ERROR, (e, data) => {
console.error('[HLS] Error', data.type, data.details)
if (data.details === Hls.ErrorDetails.BUFFER_STALLED_ERROR) {
console.error('[HLS] BUFFER STALLED ERROR')
}
})
this.hlsInstance.on(Hls.Events.DESTROYING, () => {
console.warn('[HLS] Destroying HLS Instance')
})
})
},
play() {
if (!this.$refs.audio) {
console.error('No Audio ref')
return
}
this.$refs.audio.play()
},
pause() {
if (!this.$refs.audio) return
this.$refs.audio.pause()
},
terminateStream() {
if (this.hlsInstance) {
if (!this.hlsInstance.destroy) {
console.error('HLS Instance has no destroy property', this.hlsInstance)
return
}
this.staleHlsInstance = this.hlsInstance
this.staleHlsInstance.destroy()
this.hlsInstance = null
console.log('Terminated HLS Instance', this.staleHlsInstance)
}
},
async resetStream(startTime) {
if (this.$refs.audio) this.$refs.audio.pause()
this.terminateStream()
await new Promise((resolve) => setTimeout(resolve, 1000))
console.log('Waited 1 second after terminating stream to start again')
this.set(this.url, startTime, true)
},
init() {
this.audioEl = this.$refs.audio
if (this.$refs.track) {
this.trackWidth = this.$refs.track.clientWidth
} else {
console.error('Track not loaded', this.$refs)
}
}
},
mounted() {
// this.$nextTick(this.init)
this.init()
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}
}
</script>
<style>
.loadingTrack {
animation-name: loadingTrack;
animation-duration: 1s;
animation-iteration-count: infinite;
}
@keyframes loadingTrack {
0% {
left: -25%;
}
100% {
left: 100%;
}
}
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</style>