mirror of https://github.com/Chocobozzz/PeerTube
572 lines
18 KiB
TypeScript
572 lines
18 KiB
TypeScript
|
|
import * as Bluebird from 'bluebird'
|
|
import * as chokidar from 'chokidar'
|
|
import { FfmpegCommand } from 'fluent-ffmpeg'
|
|
import { appendFile, ensureDir, readFile, stat } from 'fs-extra'
|
|
import { basename, join } from 'path'
|
|
import { isTestInstance } from '@server/helpers/core-utils'
|
|
import { getLiveMuxingCommand, getLiveTranscodingCommand } from '@server/helpers/ffmpeg-utils'
|
|
import { computeResolutionsToTranscode, getVideoFileFPS, getVideoFileResolution } from '@server/helpers/ffprobe-utils'
|
|
import { logger } from '@server/helpers/logger'
|
|
import { CONFIG, registerConfigChangedHandler } from '@server/initializers/config'
|
|
import { MEMOIZE_TTL, P2P_MEDIA_LOADER_PEER_VERSION, VIDEO_LIVE, VIEW_LIFETIME, WEBSERVER } from '@server/initializers/constants'
|
|
import { UserModel } from '@server/models/account/user'
|
|
import { VideoModel } from '@server/models/video/video'
|
|
import { VideoFileModel } from '@server/models/video/video-file'
|
|
import { VideoLiveModel } from '@server/models/video/video-live'
|
|
import { VideoStreamingPlaylistModel } from '@server/models/video/video-streaming-playlist'
|
|
import { MStreamingPlaylist, MUserId, MVideoLive, MVideoLiveVideo } from '@server/types/models'
|
|
import { VideoState, VideoStreamingPlaylistType } from '@shared/models'
|
|
import { federateVideoIfNeeded } from './activitypub/videos'
|
|
import { buildSha256Segment } from './hls'
|
|
import { JobQueue } from './job-queue'
|
|
import { cleanupLive } from './job-queue/handlers/video-live-ending'
|
|
import { PeerTubeSocket } from './peertube-socket'
|
|
import { isAbleToUploadVideo } from './user'
|
|
import { getHLSDirectory } from './video-paths'
|
|
import { availableEncoders } from './video-transcoding-profiles'
|
|
|
|
import memoizee = require('memoizee')
|
|
|
|
const NodeRtmpServer = require('node-media-server/node_rtmp_server')
|
|
const context = require('node-media-server/node_core_ctx')
|
|
const nodeMediaServerLogger = require('node-media-server/node_core_logger')
|
|
|
|
// Disable node media server logs
|
|
nodeMediaServerLogger.setLogType(0)
|
|
|
|
const config = {
|
|
rtmp: {
|
|
port: CONFIG.LIVE.RTMP.PORT,
|
|
chunk_size: VIDEO_LIVE.RTMP.CHUNK_SIZE,
|
|
gop_cache: VIDEO_LIVE.RTMP.GOP_CACHE,
|
|
ping: VIDEO_LIVE.RTMP.PING,
|
|
ping_timeout: VIDEO_LIVE.RTMP.PING_TIMEOUT
|
|
},
|
|
transcoding: {
|
|
ffmpeg: 'ffmpeg'
|
|
}
|
|
}
|
|
|
|
class LiveManager {
|
|
|
|
private static instance: LiveManager
|
|
|
|
private readonly transSessions = new Map<string, FfmpegCommand>()
|
|
private readonly videoSessions = new Map<number, string>()
|
|
// Values are Date().getTime()
|
|
private readonly watchersPerVideo = new Map<number, number[]>()
|
|
private readonly segmentsSha256 = new Map<string, Map<string, string>>()
|
|
private readonly livesPerUser = new Map<number, { liveId: number, videoId: number, size: number }[]>()
|
|
|
|
private readonly isAbleToUploadVideoWithCache = memoizee((userId: number) => {
|
|
return isAbleToUploadVideo(userId, 1000)
|
|
}, { maxAge: MEMOIZE_TTL.LIVE_ABLE_TO_UPLOAD })
|
|
|
|
private rtmpServer: any
|
|
|
|
private constructor () {
|
|
}
|
|
|
|
init () {
|
|
const events = this.getContext().nodeEvent
|
|
events.on('postPublish', (sessionId: string, streamPath: string) => {
|
|
logger.debug('RTMP received stream', { id: sessionId, streamPath })
|
|
|
|
const splittedPath = streamPath.split('/')
|
|
if (splittedPath.length !== 3 || splittedPath[1] !== VIDEO_LIVE.RTMP.BASE_PATH) {
|
|
logger.warn('Live path is incorrect.', { streamPath })
|
|
return this.abortSession(sessionId)
|
|
}
|
|
|
|
this.handleSession(sessionId, streamPath, splittedPath[2])
|
|
.catch(err => logger.error('Cannot handle sessions.', { err }))
|
|
})
|
|
|
|
events.on('donePublish', sessionId => {
|
|
logger.info('Live session ended.', { sessionId })
|
|
})
|
|
|
|
registerConfigChangedHandler(() => {
|
|
if (!this.rtmpServer && CONFIG.LIVE.ENABLED === true) {
|
|
this.run()
|
|
return
|
|
}
|
|
|
|
if (this.rtmpServer && CONFIG.LIVE.ENABLED === false) {
|
|
this.stop()
|
|
}
|
|
})
|
|
|
|
// Cleanup broken lives, that were terminated by a server restart for example
|
|
this.handleBrokenLives()
|
|
.catch(err => logger.error('Cannot handle broken lives.', { err }))
|
|
|
|
setInterval(() => this.updateLiveViews(), VIEW_LIFETIME.LIVE)
|
|
}
|
|
|
|
run () {
|
|
logger.info('Running RTMP server on port %d', config.rtmp.port)
|
|
|
|
this.rtmpServer = new NodeRtmpServer(config)
|
|
this.rtmpServer.tcpServer.on('error', err => {
|
|
logger.error('Cannot run RTMP server.', { err })
|
|
})
|
|
|
|
this.rtmpServer.run()
|
|
}
|
|
|
|
stop () {
|
|
logger.info('Stopping RTMP server.')
|
|
|
|
this.rtmpServer.stop()
|
|
this.rtmpServer = undefined
|
|
}
|
|
|
|
isRunning () {
|
|
return !!this.rtmpServer
|
|
}
|
|
|
|
getSegmentsSha256 (videoUUID: string) {
|
|
return this.segmentsSha256.get(videoUUID)
|
|
}
|
|
|
|
stopSessionOf (videoId: number) {
|
|
const sessionId = this.videoSessions.get(videoId)
|
|
if (!sessionId) return
|
|
|
|
this.videoSessions.delete(videoId)
|
|
this.abortSession(sessionId)
|
|
}
|
|
|
|
getLiveQuotaUsedByUser (userId: number) {
|
|
const currentLives = this.livesPerUser.get(userId)
|
|
if (!currentLives) return 0
|
|
|
|
return currentLives.reduce((sum, obj) => sum + obj.size, 0)
|
|
}
|
|
|
|
addViewTo (videoId: number) {
|
|
if (this.videoSessions.has(videoId) === false) return
|
|
|
|
let watchers = this.watchersPerVideo.get(videoId)
|
|
|
|
if (!watchers) {
|
|
watchers = []
|
|
this.watchersPerVideo.set(videoId, watchers)
|
|
}
|
|
|
|
watchers.push(new Date().getTime())
|
|
}
|
|
|
|
cleanupShaSegments (videoUUID: string) {
|
|
this.segmentsSha256.delete(videoUUID)
|
|
}
|
|
|
|
addSegmentToReplay (hlsVideoPath: string, segmentPath: string) {
|
|
const segmentName = basename(segmentPath)
|
|
const dest = join(hlsVideoPath, VIDEO_LIVE.REPLAY_DIRECTORY, this.buildConcatenatedName(segmentName))
|
|
|
|
return readFile(segmentPath)
|
|
.then(data => appendFile(dest, data))
|
|
.catch(err => logger.error('Cannot copy segment %s to repay directory.', segmentPath, { err }))
|
|
}
|
|
|
|
buildConcatenatedName (segmentOrPlaylistPath: string) {
|
|
const num = basename(segmentOrPlaylistPath).match(/^(\d+)(-|\.)/)
|
|
|
|
return 'concat-' + num[1] + '.ts'
|
|
}
|
|
|
|
private processSegments (hlsVideoPath: string, videoUUID: string, videoLive: MVideoLive, segmentPaths: string[]) {
|
|
Bluebird.mapSeries(segmentPaths, async previousSegment => {
|
|
// Add sha hash of previous segments, because ffmpeg should have finished generating them
|
|
await this.addSegmentSha(videoUUID, previousSegment)
|
|
|
|
if (videoLive.saveReplay) {
|
|
await this.addSegmentToReplay(hlsVideoPath, previousSegment)
|
|
}
|
|
}).catch(err => logger.error('Cannot process segments in %s', hlsVideoPath, { err }))
|
|
}
|
|
|
|
private getContext () {
|
|
return context
|
|
}
|
|
|
|
private abortSession (id: string) {
|
|
const session = this.getContext().sessions.get(id)
|
|
if (session) {
|
|
session.stop()
|
|
this.getContext().sessions.delete(id)
|
|
}
|
|
|
|
const transSession = this.transSessions.get(id)
|
|
if (transSession) {
|
|
transSession.kill('SIGINT')
|
|
this.transSessions.delete(id)
|
|
}
|
|
}
|
|
|
|
private async handleSession (sessionId: string, streamPath: string, streamKey: string) {
|
|
const videoLive = await VideoLiveModel.loadByStreamKey(streamKey)
|
|
if (!videoLive) {
|
|
logger.warn('Unknown live video with stream key %s.', streamKey)
|
|
return this.abortSession(sessionId)
|
|
}
|
|
|
|
const video = videoLive.Video
|
|
if (video.isBlacklisted()) {
|
|
logger.warn('Video is blacklisted. Refusing stream %s.', streamKey)
|
|
return this.abortSession(sessionId)
|
|
}
|
|
|
|
// Cleanup old potential live files (could happen with a permanent live)
|
|
this.cleanupShaSegments(video.uuid)
|
|
|
|
const oldStreamingPlaylist = await VideoStreamingPlaylistModel.loadHLSPlaylistByVideo(video.id)
|
|
if (oldStreamingPlaylist) {
|
|
await cleanupLive(video, oldStreamingPlaylist)
|
|
}
|
|
|
|
this.videoSessions.set(video.id, sessionId)
|
|
|
|
const playlistUrl = WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsMasterPlaylistStaticPath(video.uuid)
|
|
|
|
const session = this.getContext().sessions.get(sessionId)
|
|
const rtmpUrl = 'rtmp://127.0.0.1:' + config.rtmp.port + streamPath
|
|
|
|
const [ resolutionResult, fps ] = await Promise.all([
|
|
getVideoFileResolution(rtmpUrl),
|
|
getVideoFileFPS(rtmpUrl)
|
|
])
|
|
|
|
const resolutionsEnabled = CONFIG.LIVE.TRANSCODING.ENABLED
|
|
? computeResolutionsToTranscode(resolutionResult.videoFileResolution, 'live')
|
|
: []
|
|
|
|
const allResolutions = resolutionsEnabled.concat([ session.videoHeight ])
|
|
|
|
logger.info('Will mux/transcode live video of original resolution %d.', session.videoHeight, { allResolutions })
|
|
|
|
const [ videoStreamingPlaylist ] = await VideoStreamingPlaylistModel.upsert({
|
|
videoId: video.id,
|
|
playlistUrl,
|
|
segmentsSha256Url: WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsSha256SegmentsStaticPath(video.uuid, video.isLive),
|
|
p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrl, allResolutions),
|
|
p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION,
|
|
|
|
type: VideoStreamingPlaylistType.HLS
|
|
}, { returning: true }) as [ MStreamingPlaylist, boolean ]
|
|
|
|
return this.runMuxing({
|
|
sessionId,
|
|
videoLive,
|
|
playlist: videoStreamingPlaylist,
|
|
rtmpUrl,
|
|
fps,
|
|
allResolutions
|
|
})
|
|
}
|
|
|
|
private async runMuxing (options: {
|
|
sessionId: string
|
|
videoLive: MVideoLiveVideo
|
|
playlist: MStreamingPlaylist
|
|
rtmpUrl: string
|
|
fps: number
|
|
allResolutions: number[]
|
|
}) {
|
|
const { sessionId, videoLive, playlist, allResolutions, fps, rtmpUrl } = options
|
|
const startStreamDateTime = new Date().getTime()
|
|
|
|
const user = await UserModel.loadByLiveId(videoLive.id)
|
|
if (!this.livesPerUser.has(user.id)) {
|
|
this.livesPerUser.set(user.id, [])
|
|
}
|
|
|
|
const currentUserLive = { liveId: videoLive.id, videoId: videoLive.videoId, size: 0 }
|
|
const livesOfUser = this.livesPerUser.get(user.id)
|
|
livesOfUser.push(currentUserLive)
|
|
|
|
for (let i = 0; i < allResolutions.length; i++) {
|
|
const resolution = allResolutions[i]
|
|
|
|
const file = new VideoFileModel({
|
|
resolution,
|
|
size: -1,
|
|
extname: '.ts',
|
|
infoHash: null,
|
|
fps,
|
|
videoStreamingPlaylistId: playlist.id
|
|
})
|
|
|
|
VideoFileModel.customUpsert(file, 'streaming-playlist', null)
|
|
.catch(err => logger.error('Cannot create file for live streaming.', { err }))
|
|
}
|
|
|
|
const outPath = getHLSDirectory(videoLive.Video)
|
|
await ensureDir(outPath)
|
|
|
|
const replayDirectory = join(outPath, VIDEO_LIVE.REPLAY_DIRECTORY)
|
|
|
|
if (videoLive.saveReplay === true) {
|
|
await ensureDir(replayDirectory)
|
|
}
|
|
|
|
const videoUUID = videoLive.Video.uuid
|
|
|
|
const ffmpegExec = CONFIG.LIVE.TRANSCODING.ENABLED
|
|
? await getLiveTranscodingCommand({
|
|
rtmpUrl,
|
|
outPath,
|
|
resolutions: allResolutions,
|
|
fps,
|
|
availableEncoders,
|
|
profile: 'default'
|
|
})
|
|
: getLiveMuxingCommand(rtmpUrl, outPath)
|
|
|
|
logger.info('Running live muxing/transcoding for %s.', videoUUID)
|
|
this.transSessions.set(sessionId, ffmpegExec)
|
|
|
|
const tsWatcher = chokidar.watch(outPath + '/*.ts')
|
|
|
|
const segmentsToProcessPerPlaylist: { [playlistId: string]: string[] } = {}
|
|
const playlistIdMatcher = /^([\d+])-/
|
|
|
|
const addHandler = segmentPath => {
|
|
logger.debug('Live add handler of %s.', segmentPath)
|
|
|
|
const playlistId = basename(segmentPath).match(playlistIdMatcher)[0]
|
|
|
|
const segmentsToProcess = segmentsToProcessPerPlaylist[playlistId] || []
|
|
this.processSegments(outPath, videoUUID, videoLive, segmentsToProcess)
|
|
|
|
segmentsToProcessPerPlaylist[playlistId] = [ segmentPath ]
|
|
|
|
// Duration constraint check
|
|
if (this.isDurationConstraintValid(startStreamDateTime) !== true) {
|
|
logger.info('Stopping session of %s: max duration exceeded.', videoUUID)
|
|
|
|
this.stopSessionOf(videoLive.videoId)
|
|
}
|
|
|
|
// Check user quota if the user enabled replay saving
|
|
if (videoLive.saveReplay === true) {
|
|
stat(segmentPath)
|
|
.then(segmentStat => {
|
|
currentUserLive.size += segmentStat.size
|
|
})
|
|
.then(() => this.isQuotaConstraintValid(user, videoLive))
|
|
.then(quotaValid => {
|
|
if (quotaValid !== true) {
|
|
logger.info('Stopping session of %s: user quota exceeded.', videoUUID)
|
|
|
|
this.stopSessionOf(videoLive.videoId)
|
|
}
|
|
})
|
|
.catch(err => logger.error('Cannot stat %s or check quota of %d.', segmentPath, user.id, { err }))
|
|
}
|
|
}
|
|
|
|
const deleteHandler = segmentPath => this.removeSegmentSha(videoUUID, segmentPath)
|
|
|
|
tsWatcher.on('add', p => addHandler(p))
|
|
tsWatcher.on('unlink', p => deleteHandler(p))
|
|
|
|
const masterWatcher = chokidar.watch(outPath + '/master.m3u8')
|
|
masterWatcher.on('add', async () => {
|
|
try {
|
|
const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoLive.videoId)
|
|
|
|
video.state = VideoState.PUBLISHED
|
|
await video.save()
|
|
videoLive.Video = video
|
|
|
|
setTimeout(() => {
|
|
federateVideoIfNeeded(video, false)
|
|
.catch(err => logger.error('Cannot federate live video %s.', video.url, { err }))
|
|
|
|
PeerTubeSocket.Instance.sendVideoLiveNewState(video)
|
|
}, VIDEO_LIVE.SEGMENT_TIME_SECONDS * 1000 * VIDEO_LIVE.EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION)
|
|
|
|
} catch (err) {
|
|
logger.error('Cannot save/federate live video %d.', videoLive.videoId, { err })
|
|
} finally {
|
|
masterWatcher.close()
|
|
.catch(err => logger.error('Cannot close master watcher of %s.', outPath, { err }))
|
|
}
|
|
})
|
|
|
|
const onFFmpegEnded = () => {
|
|
logger.info('RTMP transmuxing for video %s ended. Scheduling cleanup', rtmpUrl)
|
|
|
|
this.transSessions.delete(sessionId)
|
|
|
|
this.watchersPerVideo.delete(videoLive.videoId)
|
|
this.videoSessions.delete(videoLive.videoId)
|
|
|
|
const newLivesPerUser = this.livesPerUser.get(user.id)
|
|
.filter(o => o.liveId !== videoLive.id)
|
|
this.livesPerUser.set(user.id, newLivesPerUser)
|
|
|
|
setTimeout(() => {
|
|
// Wait latest segments generation, and close watchers
|
|
|
|
Promise.all([ tsWatcher.close(), masterWatcher.close() ])
|
|
.then(() => {
|
|
// Process remaining segments hash
|
|
for (const key of Object.keys(segmentsToProcessPerPlaylist)) {
|
|
this.processSegments(outPath, videoUUID, videoLive, segmentsToProcessPerPlaylist[key])
|
|
}
|
|
})
|
|
.catch(err => logger.error('Cannot close watchers of %s or process remaining hash segments.', outPath, { err }))
|
|
|
|
this.onEndTransmuxing(videoLive.Video.id)
|
|
.catch(err => logger.error('Error in closed transmuxing.', { err }))
|
|
}, 1000)
|
|
}
|
|
|
|
ffmpegExec.on('error', (err, stdout, stderr) => {
|
|
onFFmpegEnded()
|
|
|
|
// Don't care that we killed the ffmpeg process
|
|
if (err?.message?.includes('Exiting normally')) return
|
|
|
|
logger.error('Live transcoding error.', { err, stdout, stderr })
|
|
|
|
this.abortSession(sessionId)
|
|
})
|
|
|
|
ffmpegExec.on('end', () => onFFmpegEnded())
|
|
|
|
ffmpegExec.run()
|
|
}
|
|
|
|
private async onEndTransmuxing (videoId: number, cleanupNow = false) {
|
|
try {
|
|
const fullVideo = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId)
|
|
if (!fullVideo) return
|
|
|
|
const live = await VideoLiveModel.loadByVideoId(videoId)
|
|
|
|
if (!live.permanentLive) {
|
|
JobQueue.Instance.createJob({
|
|
type: 'video-live-ending',
|
|
payload: {
|
|
videoId: fullVideo.id
|
|
}
|
|
}, { delay: cleanupNow ? 0 : VIDEO_LIVE.CLEANUP_DELAY })
|
|
|
|
fullVideo.state = VideoState.LIVE_ENDED
|
|
} else {
|
|
fullVideo.state = VideoState.WAITING_FOR_LIVE
|
|
}
|
|
|
|
await fullVideo.save()
|
|
|
|
PeerTubeSocket.Instance.sendVideoLiveNewState(fullVideo)
|
|
|
|
await federateVideoIfNeeded(fullVideo, false)
|
|
} catch (err) {
|
|
logger.error('Cannot save/federate new video state of live streaming.', { err })
|
|
}
|
|
}
|
|
|
|
private async addSegmentSha (videoUUID: string, segmentPath: string) {
|
|
const segmentName = basename(segmentPath)
|
|
logger.debug('Adding live sha segment %s.', segmentPath)
|
|
|
|
const shaResult = await buildSha256Segment(segmentPath)
|
|
|
|
if (!this.segmentsSha256.has(videoUUID)) {
|
|
this.segmentsSha256.set(videoUUID, new Map())
|
|
}
|
|
|
|
const filesMap = this.segmentsSha256.get(videoUUID)
|
|
filesMap.set(segmentName, shaResult)
|
|
}
|
|
|
|
private removeSegmentSha (videoUUID: string, segmentPath: string) {
|
|
const segmentName = basename(segmentPath)
|
|
|
|
logger.debug('Removing live sha segment %s.', segmentPath)
|
|
|
|
const filesMap = this.segmentsSha256.get(videoUUID)
|
|
if (!filesMap) {
|
|
logger.warn('Unknown files map to remove sha for %s.', videoUUID)
|
|
return
|
|
}
|
|
|
|
if (!filesMap.has(segmentName)) {
|
|
logger.warn('Unknown segment in files map for video %s and segment %s.', videoUUID, segmentPath)
|
|
return
|
|
}
|
|
|
|
filesMap.delete(segmentName)
|
|
}
|
|
|
|
private isDurationConstraintValid (streamingStartTime: number) {
|
|
const maxDuration = CONFIG.LIVE.MAX_DURATION
|
|
// No limit
|
|
if (maxDuration < 0) return true
|
|
|
|
const now = new Date().getTime()
|
|
const max = streamingStartTime + maxDuration
|
|
|
|
return now <= max
|
|
}
|
|
|
|
private async isQuotaConstraintValid (user: MUserId, live: MVideoLive) {
|
|
if (live.saveReplay !== true) return true
|
|
|
|
return this.isAbleToUploadVideoWithCache(user.id)
|
|
}
|
|
|
|
private async updateLiveViews () {
|
|
if (!this.isRunning()) return
|
|
|
|
if (!isTestInstance()) logger.info('Updating live video views.')
|
|
|
|
for (const videoId of this.watchersPerVideo.keys()) {
|
|
const notBefore = new Date().getTime() - VIEW_LIFETIME.LIVE
|
|
|
|
const watchers = this.watchersPerVideo.get(videoId)
|
|
|
|
const numWatchers = watchers.length
|
|
|
|
const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId)
|
|
video.views = numWatchers
|
|
await video.save()
|
|
|
|
await federateVideoIfNeeded(video, false)
|
|
|
|
PeerTubeSocket.Instance.sendVideoViewsUpdate(video)
|
|
|
|
// Only keep not expired watchers
|
|
const newWatchers = watchers.filter(w => w > notBefore)
|
|
this.watchersPerVideo.set(videoId, newWatchers)
|
|
|
|
logger.debug('New live video views for %s is %d.', video.url, numWatchers)
|
|
}
|
|
}
|
|
|
|
private async handleBrokenLives () {
|
|
const videoIds = await VideoModel.listPublishedLiveIds()
|
|
|
|
for (const id of videoIds) {
|
|
await this.onEndTransmuxing(id, true)
|
|
}
|
|
}
|
|
|
|
static get Instance () {
|
|
return this.instance || (this.instance = new this())
|
|
}
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
export {
|
|
LiveManager
|
|
}
|