616 lines
20 KiB
TypeScript
616 lines
20 KiB
TypeScript
import { pick, wait } from '@peertube/peertube-core-utils'
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import {
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ffprobePromise,
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getVideoStreamBitrate,
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getVideoStreamDimensionsInfo,
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getVideoStreamFPS,
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hasAudioStream
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} from '@peertube/peertube-ffmpeg'
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import { LiveVideoError, LiveVideoErrorType, VideoState } from '@peertube/peertube-models'
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import { retryTransactionWrapper } from '@server/helpers/database-utils.js'
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import { logger, loggerTagsFactory } from '@server/helpers/logger.js'
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import { CONFIG, registerConfigChangedHandler } from '@server/initializers/config.js'
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import { VIDEO_LIVE, WEBSERVER } from '@server/initializers/constants.js'
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import { sequelizeTypescript } from '@server/initializers/database.js'
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import { RunnerJobModel } from '@server/models/runner/runner-job.js'
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import { UserModel } from '@server/models/user/user.js'
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import { VideoLiveReplaySettingModel } from '@server/models/video/video-live-replay-setting.js'
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import { VideoLiveSessionModel } from '@server/models/video/video-live-session.js'
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import { VideoLiveModel } from '@server/models/video/video-live.js'
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import { VideoStreamingPlaylistModel } from '@server/models/video/video-streaming-playlist.js'
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import { VideoModel } from '@server/models/video/video.js'
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import { MUser, MVideo, MVideoLiveSession, MVideoLiveVideo, MVideoLiveVideoWithSetting } from '@server/types/models/index.js'
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import { FfprobeData } from 'fluent-ffmpeg'
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import { readFile, readdir } from 'fs/promises'
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import { Server, createServer } from 'net'
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import context from 'node-media-server/src/node_core_ctx.js'
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import nodeMediaServerLogger from 'node-media-server/src/node_core_logger.js'
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import NodeRtmpSession from 'node-media-server/src/node_rtmp_session.js'
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import { join } from 'path'
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import { Server as ServerTLS, createServer as createServerTLS } from 'tls'
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import { federateVideoIfNeeded } from '../activitypub/videos/index.js'
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import { JobQueue } from '../job-queue/index.js'
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import { Notifier } from '../notifier/notifier.js'
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import { getLiveReplayBaseDirectory } from '../paths.js'
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import { PeerTubeSocket } from '../peertube-socket.js'
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import { Hooks } from '../plugins/hooks.js'
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import { computeResolutionsToTranscode } from '../transcoding/transcoding-resolutions.js'
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import { LiveQuotaStore } from './live-quota-store.js'
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import { cleanupAndDestroyPermanentLive, getLiveSegmentTime } from './live-utils.js'
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import { MuxingSession } from './shared/index.js'
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// Disable node media server logs
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nodeMediaServerLogger.setLogType(0)
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const config = {
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rtmp: {
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port: CONFIG.LIVE.RTMP.PORT,
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chunk_size: VIDEO_LIVE.RTMP.CHUNK_SIZE,
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gop_cache: VIDEO_LIVE.RTMP.GOP_CACHE,
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ping: VIDEO_LIVE.RTMP.PING,
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ping_timeout: VIDEO_LIVE.RTMP.PING_TIMEOUT
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}
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}
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const lTags = loggerTagsFactory('live')
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class LiveManager {
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private static instance: LiveManager
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private readonly muxingSessions = new Map<string, MuxingSession>()
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private readonly videoSessions = new Map<string, string>()
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private rtmpServer: Server
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private rtmpsServer: ServerTLS
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private running = false
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private constructor () {
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}
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init () {
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const events = this.getContext().nodeEvent
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events.on('postPublish', (sessionId: string, streamPath: string) => {
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logger.debug('RTMP received stream', { id: sessionId, streamPath, ...lTags(sessionId) })
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const splittedPath = streamPath.split('/')
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if (splittedPath.length !== 3 || splittedPath[1] !== VIDEO_LIVE.RTMP.BASE_PATH) {
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logger.warn('Live path is incorrect.', { streamPath, ...lTags(sessionId) })
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return this.abortSession(sessionId)
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}
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const session = this.getContext().sessions.get(sessionId)
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const inputLocalUrl = session.inputOriginLocalUrl + streamPath
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const inputPublicUrl = session.inputOriginPublicUrl + streamPath
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this.handleSession({ sessionId, inputPublicUrl, inputLocalUrl, streamKey: splittedPath[2] })
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.catch(err => logger.error('Cannot handle session', { err, ...lTags(sessionId) }))
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})
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events.on('donePublish', (sessionId: string) => {
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logger.info('Live session ended.', { sessionId, ...lTags(sessionId) })
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// Force session aborting, so we kill ffmpeg even if it still has data to process (slow CPU)
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setTimeout(() => this.abortSession(sessionId), 2000)
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})
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registerConfigChangedHandler(() => {
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if (!this.running && CONFIG.LIVE.ENABLED === true) {
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this.run().catch(err => logger.error('Cannot run live server.', { err }))
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return
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}
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if (this.running && CONFIG.LIVE.ENABLED === false) {
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this.stop()
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}
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})
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// Cleanup broken lives, that were terminated by a server restart for example
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this.handleBrokenLives()
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.catch(err => logger.error('Cannot handle broken lives.', { err, ...lTags() }))
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}
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async run () {
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this.running = true
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if (CONFIG.LIVE.RTMP.ENABLED) {
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logger.info('Running RTMP server on port %d', CONFIG.LIVE.RTMP.PORT, lTags())
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this.rtmpServer = createServer(socket => {
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const session = new NodeRtmpSession(config, socket)
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session.inputOriginLocalUrl = 'rtmp://127.0.0.1:' + CONFIG.LIVE.RTMP.PORT
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session.inputOriginPublicUrl = WEBSERVER.RTMP_URL
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session.run()
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})
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this.rtmpServer.on('error', err => {
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logger.error('Cannot run RTMP server.', { err, ...lTags() })
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})
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this.rtmpServer.listen(CONFIG.LIVE.RTMP.PORT, CONFIG.LIVE.RTMP.HOSTNAME)
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}
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if (CONFIG.LIVE.RTMPS.ENABLED) {
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logger.info('Running RTMPS server on port %d', CONFIG.LIVE.RTMPS.PORT, lTags())
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const [ key, cert ] = await Promise.all([
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readFile(CONFIG.LIVE.RTMPS.KEY_FILE),
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readFile(CONFIG.LIVE.RTMPS.CERT_FILE)
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])
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const serverOptions = { key, cert }
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this.rtmpsServer = createServerTLS(serverOptions, socket => {
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const session = new NodeRtmpSession(config, socket)
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session.inputOriginLocalUrl = 'rtmps://127.0.0.1:' + CONFIG.LIVE.RTMPS.PORT
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session.inputOriginPublicUrl = WEBSERVER.RTMPS_URL
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session.run()
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})
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this.rtmpsServer.on('error', err => {
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logger.error('Cannot run RTMPS server.', { err, ...lTags() })
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})
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this.rtmpsServer.listen(CONFIG.LIVE.RTMPS.PORT, CONFIG.LIVE.RTMPS.HOSTNAME)
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}
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}
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stop () {
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this.running = false
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if (this.rtmpServer) {
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logger.info('Stopping RTMP server.', lTags())
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this.rtmpServer.close()
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this.rtmpServer = undefined
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}
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if (this.rtmpsServer) {
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logger.info('Stopping RTMPS server.', lTags())
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this.rtmpsServer.close()
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this.rtmpsServer = undefined
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}
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// Sessions is an object
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this.getContext().sessions.forEach((session: any) => {
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if (session instanceof NodeRtmpSession) {
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session.stop()
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}
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})
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}
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isRunning () {
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return !!this.rtmpServer
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}
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hasSession (sessionId: string) {
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return this.getContext().sessions.has(sessionId)
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}
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stopSessionOfVideo (options: {
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videoUUID: string
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error: LiveVideoErrorType | null
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expectedSessionId?: string // Prevent stopping another session of permanent live
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errorOnReplay?: boolean
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}) {
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const { videoUUID, expectedSessionId, error } = options
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const sessionId = this.videoSessions.get(videoUUID)
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if (!sessionId) {
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logger.debug('No live session to stop for video %s', videoUUID, lTags(sessionId, videoUUID))
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return
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}
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if (expectedSessionId && expectedSessionId !== sessionId) {
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logger.debug(
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`No live session ${expectedSessionId} to stop for video ${videoUUID} (current session: ${sessionId})`,
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lTags(sessionId, videoUUID)
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)
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return
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}
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logger.info('Stopping live session of video %s', videoUUID, { error, ...lTags(sessionId, videoUUID) })
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this.saveEndingSession(options)
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.catch(err => logger.error('Cannot save ending session.', { err, ...lTags(sessionId, videoUUID) }))
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this.videoSessions.delete(videoUUID)
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this.abortSession(sessionId)
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}
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private getContext () {
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return context
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}
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private abortSession (sessionId: string) {
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const session = this.getContext().sessions.get(sessionId)
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if (session) {
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session.stop()
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this.getContext().sessions.delete(sessionId)
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}
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const muxingSession = this.muxingSessions.get(sessionId)
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if (muxingSession) {
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// Muxing session will fire and event so we correctly cleanup the session
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muxingSession.abort()
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this.muxingSessions.delete(sessionId)
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}
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}
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private async handleSession (options: {
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sessionId: string
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inputLocalUrl: string
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inputPublicUrl: string
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streamKey: string
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}) {
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const { inputLocalUrl, inputPublicUrl, sessionId, streamKey } = options
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const videoLive = await VideoLiveModel.loadByStreamKey(streamKey)
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if (!videoLive) {
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logger.warn('Unknown live video with stream key %s.', streamKey, lTags(sessionId))
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return this.abortSession(sessionId)
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}
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const video = videoLive.Video
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if (video.isBlacklisted()) {
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logger.warn('Video is blacklisted. Refusing stream %s.', streamKey, lTags(sessionId, video.uuid))
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return this.abortSession(sessionId)
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}
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const user = await UserModel.loadByLiveId(videoLive.id)
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if (user.blocked) {
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logger.warn('User is blocked. Refusing stream %s.', streamKey, lTags(sessionId, video.uuid))
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return this.abortSession(sessionId)
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}
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if (this.videoSessions.has(video.uuid)) {
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logger.warn('Video %s has already a live session. Refusing stream %s.', video.uuid, streamKey, lTags(sessionId, video.uuid))
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return this.abortSession(sessionId)
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}
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// Cleanup old potential live (could happen with a permanent live)
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const oldStreamingPlaylist = await VideoStreamingPlaylistModel.loadHLSPlaylistByVideo(video.id)
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if (oldStreamingPlaylist) {
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if (!videoLive.permanentLive) throw new Error('Found previous session in a non permanent live: ' + video.uuid)
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await cleanupAndDestroyPermanentLive(video, oldStreamingPlaylist)
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}
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this.videoSessions.set(video.uuid, sessionId)
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const now = Date.now()
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const probe = await ffprobePromise(inputLocalUrl)
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const [ { resolution, ratio }, fps, bitrate, hasAudio ] = await Promise.all([
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getVideoStreamDimensionsInfo(inputLocalUrl, probe),
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getVideoStreamFPS(inputLocalUrl, probe),
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getVideoStreamBitrate(inputLocalUrl, probe),
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hasAudioStream(inputLocalUrl, probe)
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])
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logger.info(
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'%s probing took %d ms (bitrate: %d, fps: %d, resolution: %d)',
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inputLocalUrl, Date.now() - now, bitrate, fps, resolution, lTags(sessionId, video.uuid)
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)
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const allResolutions = await Hooks.wrapObject(
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this.buildAllResolutionsToTranscode(resolution, hasAudio),
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'filter:transcoding.auto.resolutions-to-transcode.result',
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{ video }
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)
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logger.info(
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'Handling live video of original resolution %d.', resolution,
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{ allResolutions, ...lTags(sessionId, video.uuid) }
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)
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return this.runMuxingSession({
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sessionId,
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videoLive,
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user,
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inputLocalUrl,
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inputPublicUrl,
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fps,
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bitrate,
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ratio,
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allResolutions,
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hasAudio,
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probe
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})
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}
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private async runMuxingSession (options: {
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sessionId: string
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videoLive: MVideoLiveVideoWithSetting
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user: MUser
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inputLocalUrl: string
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inputPublicUrl: string
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fps: number
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bitrate: number
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ratio: number
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allResolutions: number[]
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hasAudio: boolean
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probe: FfprobeData
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}) {
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const { sessionId, videoLive, user, ratio } = options
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const videoUUID = videoLive.Video.uuid
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const localLTags = lTags(sessionId, videoUUID)
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const liveSession = await this.saveStartingSession(videoLive)
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LiveQuotaStore.Instance.addNewLive(user.id, sessionId)
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const muxingSession = new MuxingSession({
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context: this.getContext(),
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sessionId,
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videoLive,
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user,
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...pick(options, [ 'inputLocalUrl', 'inputPublicUrl', 'bitrate', 'ratio', 'fps', 'allResolutions', 'hasAudio', 'probe' ])
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})
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muxingSession.on('live-ready', () => this.publishAndFederateLive({ live: videoLive, ratio, localLTags }))
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muxingSession.on('bad-socket-health', ({ videoUUID }) => {
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logger.error(
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'Too much data in client socket stream (ffmpeg is too slow to transcode the video).' +
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' Stopping session of video %s.', videoUUID,
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localLTags
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)
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this.stopSessionOfVideo({ videoUUID, error: LiveVideoError.BAD_SOCKET_HEALTH })
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})
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muxingSession.on('duration-exceeded', ({ videoUUID }) => {
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logger.info('Stopping session of %s: max duration exceeded.', videoUUID, localLTags)
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this.stopSessionOfVideo({ videoUUID, error: LiveVideoError.DURATION_EXCEEDED })
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})
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muxingSession.on('quota-exceeded', ({ videoUUID }) => {
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logger.info('Stopping session of %s: user quota exceeded.', videoUUID, localLTags)
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this.stopSessionOfVideo({ videoUUID, error: LiveVideoError.QUOTA_EXCEEDED })
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})
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muxingSession.on('transcoding-error', ({ videoUUID }) => {
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this.stopSessionOfVideo({ videoUUID, error: LiveVideoError.FFMPEG_ERROR })
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})
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muxingSession.on('transcoding-end', ({ videoUUID }) => {
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this.onMuxingFFmpegEnd(videoUUID, sessionId)
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})
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muxingSession.on('after-cleanup', ({ videoUUID }) => {
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this.muxingSessions.delete(sessionId)
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LiveQuotaStore.Instance.removeLive(user.id, sessionId)
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muxingSession.destroy()
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return this.onAfterMuxingCleanup({ videoUUID, liveSession })
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.catch(err => logger.error('Error in end transmuxing.', { err, ...localLTags }))
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})
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this.muxingSessions.set(sessionId, muxingSession)
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muxingSession.runMuxing()
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.catch(err => {
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logger.error('Cannot run muxing.', { err, ...localLTags })
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this.muxingSessions.delete(sessionId)
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muxingSession.destroy()
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this.stopSessionOfVideo({
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videoUUID,
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error: err.liveVideoErrorCode || LiveVideoError.UNKNOWN_ERROR,
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errorOnReplay: true // Replay cannot be processed as muxing session failed directly
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})
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})
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}
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private async publishAndFederateLive (options: {
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live: MVideoLiveVideo
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ratio: number
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localLTags: { tags: (string | number)[] }
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}) {
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const { live, ratio, localLTags } = options
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const videoId = live.videoId
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try {
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const video = await VideoModel.loadFull(videoId)
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logger.info('Will publish and federate live %s.', video.url, localLTags)
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video.state = VideoState.PUBLISHED
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video.publishedAt = new Date()
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video.aspectRatio = ratio
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await video.save()
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live.Video = video
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await wait(getLiveSegmentTime(live.latencyMode) * 1000 * VIDEO_LIVE.EDGE_LIVE_DELAY_SEGMENTS_NOTIFICATION)
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try {
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await federateVideoIfNeeded(video, false)
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} catch (err) {
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logger.error('Cannot federate live video %s.', video.url, { err, ...localLTags })
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}
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Notifier.Instance.notifyOnNewVideoOrLiveIfNeeded(video)
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PeerTubeSocket.Instance.sendVideoLiveNewState(video)
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Hooks.runAction('action:live.video.state.updated', { video })
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} catch (err) {
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logger.error('Cannot save/federate live video %d.', videoId, { err, ...localLTags })
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}
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}
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private onMuxingFFmpegEnd (videoUUID: string, sessionId: string) {
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// Session already cleaned up
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if (!this.videoSessions.has(videoUUID)) return
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this.videoSessions.delete(videoUUID)
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this.saveEndingSession({ videoUUID, error: null })
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.catch(err => logger.error('Cannot save ending session.', { err, ...lTags(sessionId) }))
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}
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private async onAfterMuxingCleanup (options: {
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videoUUID: string
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liveSession?: MVideoLiveSession
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cleanupNow?: boolean // Default false
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}) {
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const { videoUUID, liveSession: liveSessionArg, cleanupNow = false } = options
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logger.debug('Live of video %s has been cleaned up. Moving to its next state.', videoUUID, lTags(videoUUID))
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try {
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const fullVideo = await VideoModel.loadFull(videoUUID)
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if (!fullVideo) return
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const live = await VideoLiveModel.loadByVideoId(fullVideo.id)
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const liveSession = liveSessionArg ?? await VideoLiveSessionModel.findLatestSessionOf(fullVideo.id)
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// On server restart during a live
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if (!liveSession.endDate) {
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liveSession.endDate = new Date()
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await liveSession.save()
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}
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JobQueue.Instance.createJobAsync({
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type: 'video-live-ending',
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payload: {
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videoId: fullVideo.id,
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replayDirectory: live.saveReplay
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? await this.findReplayDirectory(fullVideo)
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: undefined,
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liveSessionId: liveSession.id,
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streamingPlaylistId: fullVideo.getHLSPlaylist()?.id,
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publishedAt: fullVideo.publishedAt.toISOString()
|
|
},
|
|
|
|
delay: cleanupNow
|
|
? 0
|
|
: VIDEO_LIVE.CLEANUP_DELAY
|
|
})
|
|
|
|
fullVideo.state = live.permanentLive
|
|
? VideoState.WAITING_FOR_LIVE
|
|
: VideoState.LIVE_ENDED
|
|
|
|
await fullVideo.save()
|
|
|
|
PeerTubeSocket.Instance.sendVideoLiveNewState(fullVideo)
|
|
|
|
await federateVideoIfNeeded(fullVideo, false)
|
|
|
|
Hooks.runAction('action:live.video.state.updated', { video: fullVideo })
|
|
} catch (err) {
|
|
logger.error('Cannot save/federate new video state of live streaming of video %s.', videoUUID, { err, ...lTags(videoUUID) })
|
|
}
|
|
}
|
|
|
|
private async handleBrokenLives () {
|
|
await RunnerJobModel.cancelAllNonFinishedJobs({ type: 'live-rtmp-hls-transcoding' })
|
|
|
|
const videoUUIDs = await VideoModel.listPublishedLiveUUIDs()
|
|
|
|
for (const uuid of videoUUIDs) {
|
|
await this.onAfterMuxingCleanup({ videoUUID: uuid, cleanupNow: true })
|
|
}
|
|
}
|
|
|
|
private async findReplayDirectory (video: MVideo) {
|
|
const directory = getLiveReplayBaseDirectory(video)
|
|
const files = await readdir(directory)
|
|
|
|
if (files.length === 0) return undefined
|
|
|
|
return join(directory, files.sort().reverse()[0])
|
|
}
|
|
|
|
private buildAllResolutionsToTranscode (originResolution: number, hasAudio: boolean) {
|
|
const includeInput = CONFIG.LIVE.TRANSCODING.ALWAYS_TRANSCODE_ORIGINAL_RESOLUTION
|
|
|
|
const resolutionsEnabled = CONFIG.LIVE.TRANSCODING.ENABLED
|
|
? computeResolutionsToTranscode({ input: originResolution, type: 'live', includeInput, strictLower: false, hasAudio })
|
|
: []
|
|
|
|
if (resolutionsEnabled.length === 0) {
|
|
return [ originResolution ]
|
|
}
|
|
|
|
return resolutionsEnabled
|
|
}
|
|
|
|
private saveStartingSession (videoLive: MVideoLiveVideoWithSetting) {
|
|
const replaySettings = videoLive.saveReplay
|
|
? new VideoLiveReplaySettingModel({
|
|
privacy: videoLive.ReplaySetting.privacy
|
|
})
|
|
: null
|
|
|
|
return retryTransactionWrapper(() => {
|
|
return sequelizeTypescript.transaction(async t => {
|
|
if (videoLive.saveReplay) {
|
|
await replaySettings.save({ transaction: t })
|
|
}
|
|
|
|
return VideoLiveSessionModel.create({
|
|
startDate: new Date(),
|
|
liveVideoId: videoLive.videoId,
|
|
saveReplay: videoLive.saveReplay,
|
|
replaySettingId: videoLive.saveReplay ? replaySettings.id : null,
|
|
endingProcessed: false
|
|
}, { transaction: t })
|
|
})
|
|
})
|
|
}
|
|
|
|
private async saveEndingSession (options: {
|
|
videoUUID: string
|
|
error: LiveVideoErrorType | null
|
|
errorOnReplay?: boolean
|
|
}) {
|
|
const { videoUUID, error, errorOnReplay } = options
|
|
|
|
const liveSession = await VideoLiveSessionModel.findCurrentSessionOf(videoUUID)
|
|
if (!liveSession) return
|
|
|
|
liveSession.endDate = new Date()
|
|
liveSession.error = error
|
|
|
|
if (errorOnReplay === true) {
|
|
liveSession.endingProcessed = true
|
|
}
|
|
|
|
return liveSession.save()
|
|
}
|
|
|
|
static get Instance () {
|
|
return this.instance || (this.instance = new this())
|
|
}
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
export {
|
|
LiveManager
|
|
}
|