123 lines
4.8 KiB
Vue
123 lines
4.8 KiB
Vue
<template>
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<div>
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<AudioElement
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ref="Noise"
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key="5"
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:src="noise_src"
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title="Noise"
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@update:volume="updateNoiseGain"
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>
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<template #default="{}">
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<img style="width: 25px" src="~/assets/image/noiseicon.svg">
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</template>
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</AudioElement>
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<AudioElement
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ref="Music"
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key="1"
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:src="tropics_src"
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title="Tropics"
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@update:volume="updateMusicGain"
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@update:playing="handlePlayingUpdate"
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>
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<template #default="{ }">
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<img style="width: 25px" src="~/assets/image/musicicon.svg">
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</template>
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</AudioElement>
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</div>
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</template>
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<script lang="ts">
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import AudioElement from '../AudioElement.vue'
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import { useAudioStore } from '../../stores/audio'
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export default {
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name: 'NoiseMusicGainTropics',
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components: { AudioElement },
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data () {
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return {
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audioContext: useAudioStore().getContext(),
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playing: false,
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paused: false,
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createdNodes: {} as any,
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noise_src: window.location.origin + useRuntimeConfig().public.noise_src,
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tropics_src: window.location.origin + useRuntimeConfig().public.tracks.tropics_src
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}
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},
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mounted () {
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if (this.audioContext) {
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// useNuxtApp().$logger.log('Audiocontext available ', this.audioContext)
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}
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// useNuxtApp().$logger.log('I created two AudioElements')
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},
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methods: {
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// This method helps to get the ressources free when we stop playing the audio
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// without it would be louder each time we start playing
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refreshAudioContext () {
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const newAudioContext = new AudioContext()
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this.audioContext.close()
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useAudioStore().audioContext = newAudioContext
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this.audioContext = useAudioStore().getContext()
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},
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fadeOutMusic () {
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if (this.createdNodes.noiseGain) {
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const noiseGainValue = this.createdNodes.noiseGain.gain.value
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this.createdNodes.noiseGain.gain.linearRampToValueAtTime(noiseGainValue, this.audioContext.currentTime)
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this.createdNodes.noiseGain.gain.linearRampToValueAtTime(0, this.audioContext.currentTime + 1.3)
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}
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if (this.createdNodes.musicGain) {
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const musicGainValue = this.createdNodes.noiseGain.gain.value
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this.createdNodes.noiseGain.gain.linearRampToValueAtTime(musicGainValue, this.audioContext.currentTime)
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this.createdNodes.musicGain.gain.linearRampToValueAtTime(0, this.audioContext.currentTime + 1.3)
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}
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},
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handlePlayingUpdate (state: boolean) {
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if (state) {
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const noiseElement = this.$refs.Noise as typeof AudioElement
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const noiseAudioElement = noiseElement.$refs.audioElement as HTMLMediaElement
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const musicElement = this.$refs.Music as typeof AudioElement
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const musicAudioElement = musicElement.$refs.audioElement as HTMLMediaElement
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const audioContext = this.audioContext
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const destination = this.audioContext.destination
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this.createdNodes.musicGain ||= audioContext.createGain()
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this.createdNodes.noiseGain ||= audioContext.createGain()
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this.createdNodes.musicGain.gain.setValueAtTime(0, audioContext.currentTime)
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this.createdNodes.noiseGain.gain.setValueAtTime(0, audioContext.currentTime)
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this.createdNodes.noiseSource = audioContext.createMediaElementSource(noiseAudioElement)
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this.createdNodes.musicSource = audioContext.createMediaElementSource(musicAudioElement)
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this.createdNodes.noiseSource.connect(this.createdNodes.noiseGain)
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this.createdNodes.musicSource.connect(this.createdNodes.musicGain)
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this.createdNodes.noiseGain.connect(destination)
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this.createdNodes.musicGain.connect(destination)
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musicAudioElement.muted = false
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noiseAudioElement.muted = false
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this.createdNodes.noiseGain.gain.cancelScheduledValues(this.audioContext.currentTime)
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this.createdNodes.musicGain.gain.cancelScheduledValues(this.audioContext.currentTime)
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this.createdNodes.noiseGain.gain.linearRampToValueAtTime(1, this.audioContext.currentTime + 1.3)
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this.createdNodes.musicGain.gain.linearRampToValueAtTime(1, this.audioContext.currentTime + 1.3)
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useAudioStore().playing = true
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} else {
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// Music has just stopped react on it.
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// useNuxtApp().$logger.log('Stop everything webaudio is still running')
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this.createdNodes = []
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this.refreshAudioContext()
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}
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},
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updateNoiseGain (volume: number) {
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if (this.createdNodes.noiseGain) {
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this.createdNodes.noiseGain.gain.linearRampToValueAtTime(volume, this.createdNodes.noiseGain.context.currentTime + 0.30)
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}
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},
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updateMusicGain (volume: number) {
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if (this.createdNodes.musicGain) {
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this.createdNodes.musicGain.gain.linearRampToValueAtTime(volume, this.createdNodes.musicGain.context.currentTime + 0.30)
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}
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}
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}
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}
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</script>
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