166 lines
3.5 KiB
JavaScript
166 lines
3.5 KiB
JavaScript
let audio
|
|
let audioContext
|
|
let mediaSource
|
|
let analyser
|
|
export const createAudio = () => {
|
|
if (audio) return
|
|
window.audio = audio = new window.Audio()
|
|
audio.controls = false
|
|
audio.autoplay = true
|
|
audio.preload = 'auto'
|
|
}
|
|
|
|
export const getAnalyser = () => {
|
|
if (audioContext == null) {
|
|
audioContext = new window.AudioContext()
|
|
mediaSource = audioContext.createMediaElementSource(audio)
|
|
analyser = audioContext.createAnalyser()
|
|
mediaSource.connect(analyser)
|
|
analyser.connect(audioContext.destination)
|
|
}
|
|
return analyser
|
|
}
|
|
|
|
export const hasInitedAnalyser = () => audioContext != null
|
|
|
|
export const setResource = src => {
|
|
if (audio) audio.src = src
|
|
}
|
|
|
|
export const setPlay = () => {
|
|
audio?.play()
|
|
}
|
|
|
|
export const setPause = () => {
|
|
audio?.pause()
|
|
}
|
|
|
|
export const setStop = () => {
|
|
if (audio) {
|
|
audio.src = null
|
|
audio.removeAttribute('src')
|
|
}
|
|
}
|
|
|
|
export const isEmpty = () => !audio?.src
|
|
|
|
export const setLoopPlay = isLoop => {
|
|
if (audio) audio.loop = isLoop
|
|
}
|
|
|
|
export const getMute = () => {
|
|
return audio?.muted ?? false
|
|
}
|
|
|
|
export const setMute = isMute => {
|
|
if (audio) audio.muted = isMute
|
|
}
|
|
|
|
export const getCurrentTime = () => {
|
|
return audio?.currentTime ?? 0
|
|
}
|
|
|
|
export const setCurrentTime = time => {
|
|
if (audio) audio.currentTime = time
|
|
}
|
|
|
|
export const setMediaDeviceId = mediaDeviceId => {
|
|
return audio ? audio.setSinkId(mediaDeviceId) : Promise.resolve()
|
|
}
|
|
|
|
export const setVolume = volume => {
|
|
if (audio) audio.volume = volume
|
|
}
|
|
|
|
export const getDuration = () => {
|
|
return audio?.duration ?? 0
|
|
}
|
|
|
|
export const getPlaybackRate = () => {
|
|
return audio?.playbackRate ?? 1
|
|
}
|
|
|
|
export const onPlaying = callback => {
|
|
audio.addEventListener('playing', callback)
|
|
return () => {
|
|
audio.removeEventListener('playing', callback)
|
|
}
|
|
}
|
|
|
|
export const onPause = callback => {
|
|
audio.addEventListener('pause', callback)
|
|
return () => {
|
|
audio.removeEventListener('pause', callback)
|
|
}
|
|
}
|
|
|
|
export const onEnded = callback => {
|
|
audio.addEventListener('ended', callback)
|
|
return () => {
|
|
audio.removeEventListener('ended', callback)
|
|
}
|
|
}
|
|
|
|
export const onError = callback => {
|
|
audio.addEventListener('error', callback)
|
|
return () => {
|
|
audio.removeEventListener('error', callback)
|
|
}
|
|
}
|
|
|
|
export const onLoadeddata = callback => {
|
|
audio.addEventListener('loadeddata', callback)
|
|
return () => {
|
|
audio.removeEventListener('loadeddata', callback)
|
|
}
|
|
}
|
|
|
|
export const onLoadstart = callback => {
|
|
audio.addEventListener('loadstart', callback)
|
|
return () => {
|
|
audio.removeEventListener('loadstart', callback)
|
|
}
|
|
}
|
|
|
|
export const onCanplay = callback => {
|
|
audio.addEventListener('canplay', callback)
|
|
return () => {
|
|
audio.removeEventListener('canplay', callback)
|
|
}
|
|
}
|
|
|
|
export const onEmptied = callback => {
|
|
audio.addEventListener('emptied', callback)
|
|
return () => {
|
|
audio.removeEventListener('emptied', callback)
|
|
}
|
|
}
|
|
|
|
export const onTimeupdate = callback => {
|
|
audio.addEventListener('timeupdate', callback)
|
|
return () => {
|
|
audio.removeEventListener('timeupdate', callback)
|
|
}
|
|
}
|
|
|
|
// 缓冲中
|
|
export const onWaiting = callback => {
|
|
audio.addEventListener('waiting', callback)
|
|
return () => {
|
|
audio.removeEventListener('waiting', callback)
|
|
}
|
|
}
|
|
|
|
// 可见性改变
|
|
export const onVisibilityChange = callback => {
|
|
document.addEventListener('visibilitychange', callback)
|
|
return () => {
|
|
document.removeEventListener('visibilitychange', callback)
|
|
}
|
|
}
|
|
|
|
|
|
export const getErrorCode = () => {
|
|
return audio?.error?.code
|
|
}
|