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Fix equalizer by using new audio API

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This commit is contained in:
Phan An 2017-12-17 01:55:17 +01:00
parent 566e2067b5
commit fe79e53558
1 changed files with 8 additions and 6 deletions
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14
resources/assets/js/components/site-footer/equalizer.vue
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@ -34,6 +34,8 @@ import nouislider from 'nouislider'
import { isAudioContextSupported, event, $ } from '@/utils' import { isAudioContextSupported, event, $ } from '@/utils'
import { equalizerStore, preferenceStore as preferences } from '@/stores' import { equalizerStore, preferenceStore as preferences } from '@/stores'
let context
export default { export default {
data () { data () {
return { return {
@ -86,7 +88,7 @@ export default {
window.oAudioContext || window.oAudioContext ||
window.msAudioContext window.msAudioContext
const context = new AudioContext() context = new AudioContext()
this.preampGainNode = context.createGain() this.preampGainNode = context.createGain()
this.changePreampGain(settings.preamp) this.changePreampGain(settings.preamp)
@ -109,9 +111,9 @@ export default {
filter.type = 'peaking' filter.type = 'peaking'
} }
filter.gain.value = settings.gains[i] ? settings.gains[i] : 0 filter.gain.setTargetAtTime(settings[i] || 0, context.currentTime, .01)
filter.Q.value = 1 filter.Q.setTargetAtTime(1, context.currentTime, .01)
filter.frequency.value = frequency filter.frequency.setTargetAtTime(frequency, context.currentTime, .01)
prevFilter ? prevFilter.connect(filter) : this.preampGainNode.connect(filter) prevFilter ? prevFilter.connect(filter) : this.preampGainNode.connect(filter)
prevFilter = filter prevFilter = filter
@ -175,7 +177,7 @@ export default {
*/ */
changePreampGain (dbValue) { changePreampGain (dbValue) {
this.preampGainValue = dbValue this.preampGainValue = dbValue
this.preampGainNode.gain.value = Math.pow(10, dbValue / 20) this.preampGainNode.gain.setTargetAtTime(Math.pow(10, dbValue / 20), context.currentTime, .01)
}, },
/** /**
@ -185,7 +187,7 @@ export default {
* @param {Object} value Value of the gain, in dB. * @param {Object} value Value of the gain, in dB.
*/ */
changeFilterGain (filter, value) { changeFilterGain (filter, value) {
filter.gain.value = value filter.gain.setTargetAtTime(value, context.currentTime, .01)
}, },
/** /**