javascript
复制代码
<template>
<view
class="player-wrapper"
:id="videoWrapperId"
:parentId="id"
:randomNum="randomNum"
:change:randomNum="domVideoPlayer.randomNumChange"
:viewportProps="viewportProps"
:change:viewportProps="domVideoPlayer.viewportChange"
:videoSrc="videoSrc"
:change:videoSrc="domVideoPlayer.initVideoPlayer"
:command="eventCommand"
:change:command="domVideoPlayer.triggerCommand"
:func="renderFunc"
:change:func="domVideoPlayer.triggerFunc"
/>
</template>
<script>
export default {
props: {
src: {
type: String,
default: '',
},
autoplay: {
type: Boolean,
default: false,
},
loop: {
type: Boolean,
default: false,
},
controls: {
type: Boolean,
default: false,
},
objectFit: {
type: String,
default: 'contain',
},
muted: {
type: Boolean,
default: false,
},
playbackRate: {
type: Number,
default: 1,
},
isLoading: {
type: Boolean,
default: false,
},
poster: {
type: String,
default: '',
},
id: {
type: String,
default: '',
},
},
data() {
return {
randomNum: Math.floor(Math.random() * 100000000),
videoSrc: '',
// 父组件向子组件传递的事件指令（video的原生事件）
eventCommand: null,
// 父组件传递过来的，对 renderjs 层的函数执行（对视频控制的自定义事件）
renderFunc: {
name: null,
params: null,
},
// 提供给父组件进行获取的视频属性
currentTime: 0,
duration: 0,
playing: false,
}
},
watch: {
// 监听视频资源地址更新
src: {
handler(val) {
if (!val) return
setTimeout(() => {
this.videoSrc = val
}, 0)
},
immediate: true,
},
},
computed: {
videoWrapperId() {
return `video-wrapper-${this.randomNum}`
},
// 聚合视图层的所有数据变化，传给renderjs的渲染层
viewportProps() {
return {
autoplay: this.autoplay,
muted: this.muted,
controls: this.controls,
loop: this.loop,
objectFit: this.objectFit,
poster: this.poster,
isLoading: this.isLoading,
playbackRate: this.playbackRate,
}
},
},
// 方法
methods: {
// 传递事件指令给父组件
eventEmit({ event, data }) {
this.$emit(event, data)
},
// 修改view视图层的data数据
setViewData({ key, value }) {
key && this.$set(this, key, value)
},
// 重置事件指令
resetEventCommand() {
this.eventCommand = null
},
// 播放指令
play() {
this.eventCommand = 'play'
},
// 暂停指令
pause() {
this.eventCommand = 'pause'
},
// 重置自定义函数指令
resetFunc() {
this.renderFunc = {
name: null,
params: null,
}
},
// 自定义函数 - 移除视频
remove(params) {
this.renderFunc = {
name: 'removeHandler',
params,
}
},
// 自定义函数 - 全屏播放
fullScreen(params) {
this.renderFunc = {
name: 'fullScreenHandler',
params,
}
},
// 自定义函数 - 跳转到指定时间点
toSeek(sec, isDelay = false) {
this.renderFunc = {
name: 'toSeekHandler',
params: { sec, isDelay },
}
},
},
}
</script>
<script module="domVideoPlayer" lang="renderjs">
const PLAYER_ID = 'DOM_VIDEO_PLAYER'
export default {
data() {
return {
num: '',
videoEl: null,
loadingEl: null,
// 延迟生效的函数
delayFunc: null,
renderProps: {}
}
},
computed: {
playerId() {
return `${PLAYER_ID}_${this.num}`
},
wrapperId() {
return `video-wrapper-${this.num}`
}
},
methods: {
isApple() {
const ua = navigator.userAgent.toLowerCase()
return ua.indexOf('iphone') !== -1 || ua.indexOf('ipad') !== -1
},
async initVideoPlayer(src) {
this.delayFunc = null
await this.$nextTick()
if (!src) return
if (this.videoEl) {
// 切换视频源
if (!this.isApple() && this.loadingEl) {
this.loadingEl.style.display = 'block'
}
this.videoEl.src = src
return
}
const videoEl = document.createElement('video')
this.videoEl = videoEl
// 开始监听视频相关事件
this.listenVideoEvent()
const { autoplay, muted, controls, loop, playbackRate, objectFit, poster } = this.renderProps
videoEl.src = src
videoEl.autoplay = autoplay
videoEl.controls = controls
videoEl.loop = loop
videoEl.muted = muted
videoEl.playbackRate = playbackRate
videoEl.id = this.playerId
// videoEl.setAttribute('x5-video-player-type', 'h5')
videoEl.setAttribute('preload', 'auto')
videoEl.setAttribute('playsinline', true)
videoEl.setAttribute('webkit-playsinline', true)
videoEl.setAttribute('crossorigin', 'anonymous')
videoEl.setAttribute('controlslist', 'nodownload')
videoEl.setAttribute('disablePictureInPicture', true)
videoEl.style.objectFit = objectFit
poster && (videoEl.poster = poster)
videoEl.style.width = '100%'
videoEl.style.height = '100%'
// 插入视频元素
// document.getElementById(this.wrapperId).appendChild(videoEl)
const playerWrapper = document.getElementById(this.wrapperId)
playerWrapper.insertBefore(videoEl, playerWrapper.firstChild)
// 插入loading 元素（遮挡安卓的默认加载过程中的黑色播放按钮）
this.createLoading()
},
// 创建 loading
createLoading() {
const { isLoading } = this.renderProps
if (!this.isApple() && isLoading) {
const loadingEl = document.createElement('div')
this.loadingEl = loadingEl
loadingEl.className = 'loading-wrapper'
loadingEl.style.position = 'absolute'
loadingEl.style.top = '0'
loadingEl.style.left = '0'
loadingEl.style.zIndex = '1'
loadingEl.style.width = '100%'
loadingEl.style.height = '100%'
loadingEl.style.backgroundColor = 'black'
document.getElementById(this.wrapperId).appendChild(loadingEl)
// 创建 loading 动画
const animationEl = document.createElement('div')
animationEl.className = 'loading'
animationEl.style.zIndex = '2'
animationEl.style.position = 'absolute'
animationEl.style.top = '50%'
animationEl.style.left = '50%'
animationEl.style.marginTop = '-15px'
animationEl.style.marginLeft = '-15px'
animationEl.style.width = '30px'
animationEl.style.height = '30px'
animationEl.style.border = '2px solid #FFF'
animationEl.style.borderTopColor = 'rgba(255, 255, 255, 0.2)'
animationEl.style.borderRightColor = 'rgba(255, 255, 255, 0.2)'
animationEl.style.borderBottomColor = 'rgba(255, 255, 255, 0.2)'
animationEl.style.borderRadius = '100%'
animationEl.style.animation = 'circle infinite 0.75s linear'
loadingEl.appendChild(animationEl)
// 创建 loading 动画所需的 keyframes
const style = document.createElement('style')
const keyframes = `
@keyframes circle {
0% {
transform: rotate(0);
}
100% {
transform: rotate(360deg);
}
}
`
style.type = 'text/css'
if (style.styleSheet) {
style.styleSheet.cssText = keyframes
} else {
style.appendChild(document.createTextNode(keyframes))
}
document.head.appendChild(style)
}
},
// 监听视频相关事件
listenVideoEvent() {
// 播放事件监听
const playHandler = () => {
this.$ownerInstance.callMethod('eventEmit', { event: 'play' })
this.$ownerInstance.callMethod('setViewData', {
key: 'playing',
value: true
})
if (this.loadingEl) {
this.loadingEl.style.display = 'none'
}
}
this.videoEl.removeEventListener('play', playHandler)
this.videoEl.addEventListener('play', playHandler)
// 暂停事件监听
const pauseHandler = () => {
this.$ownerInstance.callMethod('eventEmit', { event: 'pause' })
this.$ownerInstance.callMethod('setViewData', {
key: 'playing',
value: false
})
}
this.videoEl.removeEventListener('pause', pauseHandler)
this.videoEl.addEventListener('pause', pauseHandler)
// 结束事件监听
const endedHandler = () => {
this.$ownerInstance.callMethod('eventEmit', { event: 'ended' })
this.$ownerInstance.callMethod('resetEventCommand')
}
this.videoEl.removeEventListener('ended', endedHandler)
this.videoEl.addEventListener('ended', endedHandler)
// 加载完成事件监听
const canPlayHandler = () => {
this.$ownerInstance.callMethod('eventEmit', { event: 'canplay' })
this.execDelayFunc()
}
this.videoEl.removeEventListener('canplay', canPlayHandler)
this.videoEl.addEventListener('canplay', canPlayHandler)
// 加载失败事件监听
const errorHandler = (e) => {
if (this.loadingEl) {
this.loadingEl.style.display = 'block'
}
this.$ownerInstance.callMethod('eventEmit', { event: 'error' })
}
this.videoEl.removeEventListener('error', errorHandler)
this.videoEl.addEventListener('error', errorHandler)
// loadedmetadata 事件监听
const loadedMetadataHandler = () => {
this.$ownerInstance.callMethod('eventEmit', { event: 'loadedmetadata' })
// 获取视频的长度
const duration = this.videoEl.duration
this.$ownerInstance.callMethod('eventEmit', {
event: 'durationchange',
data: duration
})
this.$ownerInstance.callMethod('setViewData', {
key: 'duration',
value: duration
})
// 加载首帧视频 模拟出封面图
this.loadFirstFrame()
}
this.videoEl.removeEventListener('loadedmetadata', loadedMetadataHandler)
this.videoEl.addEventListener('loadedmetadata', loadedMetadataHandler)
// 播放进度监听
const timeupdateHandler = (e) => {
const currentTime = e.target.currentTime
this.$ownerInstance.callMethod('eventEmit', {
event: 'timeupdate',
data: currentTime
})
this.$ownerInstance.callMethod('setViewData', {
key: 'currentTime',
value: currentTime
})
}
this.videoEl.removeEventListener('timeupdate', timeupdateHandler)
this.videoEl.addEventListener('timeupdate', timeupdateHandler)
// 倍速播放监听
const ratechangeHandler = (e) => {
const playbackRate = e.target.playbackRate
this.$ownerInstance.callMethod('eventEmit', {
event: 'ratechange',
data: playbackRate
})
}
this.videoEl.removeEventListener('ratechange', ratechangeHandler)
this.videoEl.addEventListener('ratechange', ratechangeHandler)
// 全屏事件监听
if (this.isApple()) {
const webkitbeginfullscreenHandler = () => {
const presentationMode = this.videoEl.webkitPresentationMode
let isFullScreen = null
if (presentationMode === 'fullscreen') {
isFullScreen = true
} else {
isFullScreen = false
}
this.$ownerInstance.callMethod('eventEmit', {
event: 'fullscreenchange',
data: isFullScreen
})
}
this.videoEl.removeEventListener('webkitpresentationmodechanged', webkitbeginfullscreenHandler)
this.videoEl.addEventListener('webkitpresentationmodechanged', webkitbeginfullscreenHandler)
} else {
const fullscreenchangeHandler = () => {
let isFullScreen = null
if (document.fullscreenElement) {
isFullScreen = true
} else {
isFullScreen = false
}
this.$ownerInstance.callMethod('eventEmit', {
event: 'fullscreenchange',
data: isFullScreen
})
}
document.removeEventListener('fullscreenchange', fullscreenchangeHandler)
document.addEventListener('fullscreenchange', fullscreenchangeHandler)
}
},
// 加载首帧视频，模拟出封面图
loadFirstFrame() {
let { autoplay, muted } = this.renderProps
if (this.isApple()) {
this.videoEl.play()
if (!autoplay) {
this.videoEl.pause()
}
} else {
// optimize: timeout 延迟调用是为了规避控制台的`https://goo.gl/LdLk22`这个报错
/**
* 原因：chromium 内核中，谷歌协议规定，视频不允许在非静音状态下进行自动播放
* 解决：在自动播放时，先将视频静音，然后延迟调用 play 方法，播放视频
* 说明：iOS 的 Safari 内核不会有这个，仅在 Android 设备出现，即使有这个报错也不影响的，所以不介意控制台报错的话是可以删掉这个 timeout 的
*/
this.videoEl.muted = true
setTimeout(() => {
this.videoEl.play()
this.videoEl.muted = muted
if (!autoplay) {
setTimeout(() => {
this.videoEl.pause()
}, 100)
}
}, 10)
}
},
triggerCommand(eventType) {
if (eventType) {
this.$ownerInstance.callMethod('resetEventCommand')
this.videoEl && this.videoEl[eventType]()
}
},
triggerFunc(func) {
const { name, params } = func || {}
if (name) {
this[name](params)
this.$ownerInstance.callMethod('resetFunc')
}
},
removeHandler() {
if (this.videoEl) {
this.videoEl.pause()
this.videoEl.src = ''
this.$ownerInstance.callMethod('setViewData', {
key: 'videoSrc',
value: ''
})
this.videoEl.load()
}
},
fullScreenHandler() {
if (this.isApple()) {
this.videoEl.webkitEnterFullscreen()
} else {
this.videoEl.requestFullscreen()
}
},
toSeekHandler({ sec, isDelay }) {
const func = () => {
if (this.videoEl) {
this.videoEl.currentTime = sec
}
}
// 延迟执行
if (isDelay) {
this.delayFunc = func
} else {
func()
}
},
// 执行延迟函数
execDelayFunc() {
this.delayFunc && this.delayFunc()
this.delayFunc = null
},
viewportChange(props) {
this.renderProps = props
const { autoplay, muted, controls, loop, playbackRate } = props
if (this.videoEl) {
this.videoEl.autoplay = autoplay
this.videoEl.controls = controls
this.videoEl.loop = loop
this.videoEl.muted = muted
this.videoEl.playbackRate = playbackRate
}
},
randomNumChange(val) {
this.num = val
}
}
}
</script>
<style scoped>
.player-wrapper {
overflow: hidden;
height: 100%;
padding: 0;
position: relative;
}
</style>