100 lines
3.6 KiB
Vue
100 lines
3.6 KiB
Vue
<template>
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<h1>Test Version NoiseMusicGain and FadeIn: mit WebAudio & Gain, ohne Noise-Patch & ohne Music-Patch</h1>
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<h2> Obwohl die Methode linearRampToValueAtTime verwendet wird, startet das audio einfach nach der eingestellten Zeit ohne fade</h2>
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<button @click="fadeInGains">
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Trigger FadeIn
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</button>
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<button @click="fadeOutGains">
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Trigger FadeOut
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</button>
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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="forest_src"
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title="Forest"
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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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</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: 'NoiseMusicGain',
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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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forest_src: window.location.origin + useRuntimeConfig().public.tracks.forest_src as string,
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noise_src: window.location.origin + useRuntimeConfig().public.noise_src as string
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}
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},
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methods: {
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handlePlayingUpdate () {
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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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musicAudioElement.muted = false
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noiseAudioElement.muted = false
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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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this.fadeInGains()
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},
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fadeInGains () {
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const noiseGain = this.createdNodes.noiseGain
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const musicGain = this.createdNodes.musicGain
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noiseGain.gain.linearRampToValueAtTime(1.0, noiseGain.context.currentTime + 7)
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musicGain.gain.linearRampToValueAtTime(1.0, musicGain.context.currentTime + 5)
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},
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fadeOutGains () {
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this.createdNodes.noiseGain.gain.linearRampToValueAtTime(0, this.createdNodes.noiseGain.context.currentTime + 3)
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this.createdNodes.musicGain.gain.linearRampToValueAtTime(0, this.createdNodes.musicGain.context.currentTime + 3)
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},
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updateNoiseGain (volume: number) {
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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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updateMusicGain (volume: number) {
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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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</script>
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