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https://github.com/owntone/owntone-server.git
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[web-src] Add option to stream audio from player web interface
The audio implementation is based on https://github.com/rainner/soma-fm-player and makes use of the HTML5 Web Audio Context API.
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web-src/src/audio.js
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51
web-src/src/audio.js
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@ -0,0 +1,51 @@
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/**
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* Audio handler object
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* Taken from https://github.com/rainner/soma-fm-player (released under MIT licence)
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*/
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export default {
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_audio: new Audio(),
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_context: new AudioContext(),
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_source: null,
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_gain: null,
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_analyser: null,
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// setup audio routing
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setupAudio () {
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this._source = this._context.createMediaElementSource(this._audio)
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this._analyser = this._context.createAnalyser()
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this._gain = this._context.createGain()
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this._source.connect(this._gain)
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this._source.connect(this._analyser)
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this._gain.connect(this._context.destination)
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this._audio.addEventListener('canplaythrough', e => {
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this._audio.play()
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})
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return this._audio
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},
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// set audio volume
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setVolume (volume) {
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if (!this._gain) return
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volume = parseFloat(volume) || 0.0
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volume = (volume < 0) ? 0 : volume
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volume = (volume > 1) ? 1 : volume
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this._gain.gain.value = volume
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},
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// play audio source url
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playSource (source) {
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this.stopAudio()
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this._audio.src = String(source || '') + '?x=' + Date.now()
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this._audio.crossOrigin = 'anonymous'
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this._audio.load()
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},
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// stop playing audio
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stopAudio () {
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try { this._audio.pause() } catch (e) {}
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try { this._audio.stop() } catch (e) {}
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try { this._audio.close() } catch (e) {}
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}
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}
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@ -3,7 +3,7 @@
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<div class="level is-mobile">
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<div class="level-left fd-expanded">
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<div class="level-item" style="flex-grow: 0;">
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<span class="icon fd-has-action" :class="{ 'has-text-grey-light': !output.selected }" v-on:click="set_enabled"><i class="mdi mdi-18px" v-bind:class="type_class"></i></span>
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<a class="button is-white is-small"><span class="icon fd-has-action" :class="{ 'has-text-grey-light': !output.selected }" v-on:click="set_enabled"><i class="mdi mdi-18px" v-bind:class="type_class"></i></span></a>
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</div>
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<div class="level-item fd-expanded">
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<div class="fd-expanded">
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@ -60,6 +60,31 @@
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<hr class="navbar-divider">
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<nav-bar-item-output v-for="output in outputs" :key="output.id" :output="output"></nav-bar-item-output>
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<hr class="navbar-divider">
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<div class="navbar-item">
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<div class="level is-mobile">
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<div class="level-left fd-expanded">
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<div class="level-item" style="flex-grow: 0;">
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<a class="button is-white is-small" :class="{ 'is-loading': loading }"><span class="icon fd-has-action" :class="{ 'has-text-grey-light': !playing && !loading, 'is-loading': loading }" @click="togglePlay"><i class="mdi mdi-18px mdi-radio-tower"></i></span></a>
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</div>
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<div class="level-item fd-expanded">
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<div class="fd-expanded">
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<p class="heading" :class="{ 'has-text-grey-light': !playing }">HTTP stream</p>
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<range-slider
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class="slider fd-has-action"
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min="0"
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max="100"
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step="1"
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:disabled="!playing"
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:value="stream_volume"
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@change="set_stream_volume">
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</range-slider>
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</div>
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</div>
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</div>
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</div>
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</div>
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<hr class="navbar-divider">
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<div class="navbar-item">
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<div class="level is-mobile">
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@ -104,6 +129,7 @@
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<script>
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import webapi from '@/webapi'
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import _audio from '@/audio'
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import NavBarItemOutput from './NavBarItemOutput'
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import PlayerButtonPlayPause from './PlayerButtonPlayPause'
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import PlayerButtonNext from './PlayerButtonNext'
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@ -120,7 +146,11 @@ export default {
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data () {
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return {
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search_query: ''
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search_query: '',
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playing: false,
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loading: false,
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stream_volume: 10
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}
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},
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@ -166,7 +196,72 @@ export default {
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open_about: function () {
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this.$store.commit(types.SHOW_BURGER_MENU, false)
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this.$router.push({ path: '/about' })
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},
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setupAudio: function () {
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const a = _audio.setupAudio()
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a.addEventListener('waiting', e => {
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this.playing = false
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this.loading = true
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})
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a.addEventListener('playing', e => {
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this.playing = true
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this.loading = false
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})
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a.addEventListener('ended', e => {
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this.playing = false
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this.loading = false
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})
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a.addEventListener('error', e => {
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this.closeAudio()
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this.$store.dispatch('add_notification', { text: 'HTTP stream error: failed to load stream or stopped loading due to network problem', type: 'danger' })
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this.playing = false
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this.loading = false
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})
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},
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// close active audio
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closeAudio: function () {
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_audio.stopAudio()
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this.playing = false
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},
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playChannel: function () {
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if (this.playing) {
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return
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}
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const channel = '/stream.mp3'
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this.loading = true
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_audio.playSource(channel)
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_audio.setVolume(this.stream_volume / 100)
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},
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togglePlay: function () {
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if (this.loading) {
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return
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}
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if (this.playing) {
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return this.closeAudio()
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}
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return this.playChannel()
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},
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set_stream_volume: function (newVolume) {
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this.stream_volume = newVolume
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_audio.setVolume(this.stream_volume / 100)
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}
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},
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// on app mounted
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mounted () {
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this.setupAudio()
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},
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// on app destroyed
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destroyed () {
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this.closeAudio()
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}
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}
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</script>
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@ -24,10 +24,13 @@ module.exports = {
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// localhost:3689
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proxy: {
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'/api': {
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target: 'http://localhost:3689',
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target: 'http://localhost:3689'
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},
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'/artwork': {
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target: 'http://localhost:3689',
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target: 'http://localhost:3689'
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},
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'/stream.mp3': {
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target: 'http://localhost:3689'
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}
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}
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}
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