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stream.tsx
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import '~style.css';
import { Fragment, useCallback, useEffect, useRef, useState } from 'react';
import { Button, Typography } from '@material-tailwind/react';
import { useInterval } from '@react-hooks-library/core';
import {
MediaCaptionsButton,
MediaChromeButton,
MediaControlBar,
MediaController,
MediaLiveButton,
MediaLoadingIndicator,
MediaMuteButton,
MediaPlayButton,
MediaPlaybackRateButton,
MediaTimeDisplay,
MediaVolumeRange
} from 'media-chrome/dist/react';
import NDanmaku from 'n-danmaku';
import type { ResponseBody as DanmakuBody } from '~background/forwards/danmaku';
import type { StreamUrls } from '~background/messages/get-stream-urls';
import BJFThemeProvider from '~components/BJFThemeProvider';
import PromiseHandler from '~components/PromiseHandler';
import { useForwarder } from '~hooks/forwarder';
import loadStream from '~players';
import { sendMessager } from '~utils/messaging';
import { useAsyncEffect } from '~hooks/life-cycle';
const qs = new URLSearchParams(window.location.search);
const roomId = qs.get('roomId');
const title = qs.get('title')
const owner = qs.get('owner')
const mutedDefault = qs.get('muted') === 'true'
document.title = `${owner} 的直播间: ${title}`
// lock the screen size
document.documentElement.style.minHeight = window.innerHeight + 'px'
document.documentElement.style.minWidth = window.innerWidth + 'px'
function MonitorApp({ urls }: { urls: StreamUrls }): JSX.Element {
const containerRef = useRef<HTMLDivElement>(null)
const videoRef = useRef<HTMLVideoElement>(null)
const danmaku = useRef<NDanmaku>(null)
const danmakus = useRef<DanmakuBody[]>([])
const danmakuForwarder = useForwarder('danmaku', 'pages')
const jimakuForwarder = useForwarder('jimaku', 'pages')
useAsyncEffect(
async () => {
console.info('urls: ', urls)
const p = await loadStream(urls, videoRef.current, { codec: 'avc' })
danmaku.current = new NDanmaku(containerRef.current, 'bjf-danmaku')
p.on('error', err => {
console.error(err)
alert('播放錯誤, 请刷新页面: '+err?.message)
})
return p
},
async (p) => {
if (danmaku.current) {
danmaku.current.clear()
} else {
console.warn('danmaku is not initialized, skip cleanup')
}
if (p) {
p.stopAndDestroy()
console.info('player destroyed')
} else {
console.warn('player is not initialized, skip cleanup')
}
},
(err) => {
console.error(err)
alert('加载播放器失败, 请刷新页面: '+err?.message)
},
[urls]
)
useInterval(() => {
if (danmakus.current.length === 0) return
const data = danmakus.current.shift()
if (danmaku.current) {
danmaku.current
.resetAttrs()
.attrs('color', data.color)
.attrs('opacity', 80)
.attrs('weight', 'bold')
.attrs('type', data.pos)
.attrs('custom_css', {
'text-shadow': '1px 0 1px #000000'
})
//.attrs('size', '25px')
.create(data.text)
} else {
console.warn('danmaku is not ready, skipped')
}
}, 300)
const [hidedDanmaku, setHidedDanmaku] = useState(false)
useEffect(() => {
const track = videoRef.current.addTextTrack('captions', '同传弹幕', 'zh-cn')
track.addEventListener('error', console.error)
track.mode = "showing"
danmakuForwarder.addHandler((data) => {
if (data.room !== roomId) return // return if not current room
console.info('danmaku: ', data)
danmakus.current.push(data)
})
jimakuForwarder.addHandler((data) => {
console.info('jimaku: ', data)
if (data.room !== roomId) return
const start = videoRef.current.currentTime + 1 // 1 秒后开始
const end = start + 3 // 字幕逗留 3 秒
const cue = new VTTCue(start, end, data.text)
track.addCue(cue)
})
const reloader = () => location.reload()
const danmakuToggle = () => {
const player = document.getElementsByClassName('N-dmLayer')[0] as HTMLElement
if (!player) {
alert('player not found')
return
}
// 無論如何，先清除一下彈幕
danmaku.current?.clear()
if (player.style.display === 'none') {
player.style.display = 'block'
setHidedDanmaku(false)
} else {
player.style.display = 'none'
setHidedDanmaku(true)
}
}
document.getElementById('reload-btn').addEventListener('click', reloader)
document.getElementById('danmaku-btn').addEventListener('click', danmakuToggle)
return () => {
document.getElementById('reload-btn').removeEventListener('click', reloader)
document.getElementById('danmaku-btn').removeEventListener('click', danmakuToggle)
}
}, [])
return (
<Fragment>
<div id="bjf-danmaku-container" ref={containerRef} className='w-full h-full'>
<MediaController id="bjf-player" className="w-full h-full z-0" mediastreamtype="live">
<video
ref={videoRef}
id="bjf-video"
slot="media"
playsInline
autoPlay
muted={mutedDefault}
/>
<MediaLoadingIndicator slot="loading"></MediaLoadingIndicator>
<MediaControlBar className="flex justify-between">
<div>
<MediaPlayButton></MediaPlayButton>
<MediaLiveButton></MediaLiveButton>
<MediaTimeDisplay></MediaTimeDisplay>
<MediaMuteButton></MediaMuteButton>
<MediaVolumeRange></MediaVolumeRange>
</div>
<div>
<MediaChromeButton id="danmaku-btn" title="隐藏/显示弹幕">
{hidedDanmaku ?
(
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" className="w-6 h-6">
<path fillRule="evenodd" d="M4.848 2.771A49.144 49.144 0 0 1 12 2.25c2.43 0 4.817.178 7.152.52 1.978.292 3.348 2.024 3.348 3.97v6.02c0 1.946-1.37 3.678-3.348 3.97a48.901 48.901 0 0 1-3.476.383.39.39 0 0 0-.297.17l-2.755 4.133a.75.75 0 0 1-1.248 0l-2.755-4.133a.39.39 0 0 0-.297-.17 48.9 48.9 0 0 1-3.476-.384c-1.978-.29-3.348-2.024-3.348-3.97V6.741c0-1.946 1.37-3.68 3.348-3.97Z" clipRule="evenodd" />
</svg>
) :
(
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" className="w-6 h-6">
<path fillRule="evenodd" d="M4.848 2.771A49.144 49.144 0 0 1 12 2.25c2.43 0 4.817.178 7.152.52 1.978.292 3.348 2.024 3.348 3.97v6.02c0 1.946-1.37 3.678-3.348 3.97a48.901 48.901 0 0 1-3.476.383.39.39 0 0 0-.297.17l-2.755 4.133a.75.75 0 0 1-1.248 0l-2.755-4.133a.39.39 0 0 0-.297-.17 48.9 48.9 0 0 1-3.476-.384c-1.978-.29-3.348-2.024-3.348-3.97V6.741c0-1.946 1.37-3.68 3.348-3.97ZM6.75 8.25a.75.75 0 0 1 .75-.75h9a.75.75 0 0 1 0 1.5h-9a.75.75 0 0 1-.75-.75Zm.75 2.25a.75.75 0 0 0 0 1.5H12a.75.75 0 0 0 0-1.5H7.5Z" clipRule="evenodd" />
</svg>
)}
</MediaChromeButton>
<MediaChromeButton id="reload-btn" title="刷新直播">
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="currentColor" className="w-6 h-6">
<path fillRule="evenodd" d="M4.755 10.059a7.5 7.5 0 0 1 12.548-3.364l1.903 1.903h-3.183a.75.75 0 1 0 0 1.5h4.992a.75.75 0 0 0 .75-.75V4.356a.75.75 0 0 0-1.5 0v3.18l-1.9-1.9A9 9 0 0 0 3.306 9.67a.75.75 0 1 0 1.45.388Zm15.408 3.352a.75.75 0 0 0-.919.53 7.5 7.5 0 0 1-12.548 3.364l-1.902-1.903h3.183a.75.75 0 0 0 0-1.5H2.984a.75.75 0 0 0-.75.75v4.992a.75.75 0 0 0 1.5 0v-3.18l1.9 1.9a9 9 0 0 0 15.059-4.035.75.75 0 0 0-.53-.918Z" clipRule="evenodd" />
</svg>
</MediaChromeButton>
<MediaCaptionsButton></MediaCaptionsButton>
<MediaPlaybackRateButton></MediaPlaybackRateButton>
</div>
</MediaControlBar>
</MediaController>
</div>
</Fragment>
)
}
function App(): JSX.Element {
const getStreamUrls = useCallback(async () => {
const res = await sendMessager('get-stream-urls', { roomId })
if (res.error) throw new Error(res.error)
return res.data.toSorted((a, b) => b.quality - a.quality)
}, [])
return (
<BJFThemeProvider>
<PromiseHandler promise={getStreamUrls}>
<PromiseHandler.Error>
{error => (
<div className="flex flex-col justify-center items-center text-center h-screen w-full gap-5 text-red-500">
<div>
<Typography variant="h5" color="red" className="semi-bold">加载错误:</Typography>
</div>
<div>
<span className="text-[17px]">{error.message}</span><br />
</div>
<Button color="red" size='sm' className='text-lg' onClick={() => location.reload()}>重试</Button>
</div>
)}
</PromiseHandler.Error>
<PromiseHandler.Loading>
<div className="flex justify-center items-center text-center h-screen w-full">
<div className="text-gray-500">
<Typography variant="h5" color="gray" className="semi-bold animate-pulse">加载中...</Typography>
</div>
</div>
</PromiseHandler.Loading>
<PromiseHandler.Response>
{urls => <MonitorApp urls={urls} />}
</PromiseHandler.Response>
</PromiseHandler>
</BJFThemeProvider>
)
}
export default App