X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Flib%2Flive-manager.ts;h=60ef30d15641cd5478defb4a0fdab65f018ba5ea;hb=2122606318bf208262d1573ab8d9a772cd697448;hp=2d8f906e9450cea10634cfe325bfb57a212bf29b;hpb=97969c4edf51b37eee691adba43368bb0fbb729b;p=github%2FChocobozzz%2FPeerTube.git diff --git a/server/lib/live-manager.ts b/server/lib/live-manager.ts index 2d8f906e9..60ef30d15 100644 --- a/server/lib/live-manager.ts +++ b/server/lib/live-manager.ts @@ -1,13 +1,19 @@ -import { AsyncQueue, queue } from 'async' import * as chokidar from 'chokidar' import { FfmpegCommand } from 'fluent-ffmpeg' import { ensureDir, stat } from 'fs-extra' import { basename } from 'path' -import { computeResolutionsToTranscode, runLiveMuxing, runLiveTranscoding } from '@server/helpers/ffmpeg-utils' +import { isTestInstance } from '@server/helpers/core-utils' +import { + computeResolutionsToTranscode, + getVideoFileFPS, + getVideoFileResolution, + runLiveMuxing, + runLiveTranscoding +} from '@server/helpers/ffmpeg-utils' import { logger } from '@server/helpers/logger' import { CONFIG, registerConfigChangedHandler } from '@server/initializers/config' -import { MEMOIZE_TTL, P2P_MEDIA_LOADER_PEER_VERSION, VIDEO_LIVE, WEBSERVER } from '@server/initializers/constants' +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' @@ -43,18 +49,14 @@ const config = { } } -type SegmentSha256QueueParam = { - operation: 'update' | 'delete' - videoUUID: string - segmentPath: string -} - class LiveManager { private static instance: LiveManager private readonly transSessions = new Map() private readonly videoSessions = new Map() + // Values are Date().getTime() + private readonly watchersPerVideo = new Map() private readonly segmentsSha256 = new Map>() private readonly livesPerUser = new Map() @@ -62,7 +64,6 @@ class LiveManager { return isAbleToUploadVideo(userId, 1000) }, { maxAge: MEMOIZE_TTL.LIVE_ABLE_TO_UPLOAD }) - private segmentsSha256Queue: AsyncQueue private rtmpServer: any private constructor () { @@ -87,18 +88,6 @@ class LiveManager { logger.info('Live session ended.', { sessionId }) }) - this.segmentsSha256Queue = queue((options, cb) => { - const promise = options.operation === 'update' - ? this.addSegmentSha(options) - : Promise.resolve(this.removeSegmentSha(options)) - - promise.then(() => cb()) - .catch(err => { - logger.error('Cannot update/remove sha segment %s.', options.segmentPath, { err }) - cb() - }) - }) - registerConfigChangedHandler(() => { if (!this.rtmpServer && CONFIG.LIVE.ENABLED === true) { this.run() @@ -109,10 +98,12 @@ class LiveManager { this.stop() } }) + + setInterval(() => this.updateLiveViews(), VIEW_LIFETIME.LIVE) } run () { - logger.info('Running RTMP server.') + logger.info('Running RTMP server on port %d', config.rtmp.port) this.rtmpServer = new NodeRtmpServer(config) this.rtmpServer.run() @@ -125,6 +116,10 @@ class LiveManager { this.rtmpServer = undefined } + isRunning () { + return !!this.rtmpServer + } + getSegmentsSha256 (videoUUID: string) { return this.segmentsSha256.get(videoUUID) } @@ -137,6 +132,26 @@ class LiveManager { 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()) + } + private getContext () { return context } @@ -173,17 +188,26 @@ class LiveManager { 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(session.videoHeight, 'live') + ? computeResolutionsToTranscode(resolutionResult.videoFileResolution, 'live') : [] - logger.info('Will mux/transcode live video of original resolution %d.', session.videoHeight, { resolutionsEnabled }) + 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, resolutionsEnabled), + p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrl, allResolutions), p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION, type: VideoStreamingPlaylistType.HLS @@ -193,9 +217,9 @@ class LiveManager { sessionId, videoLive, playlist: videoStreamingPlaylist, - streamPath, - originalResolution: session.videoHeight, - resolutionsEnabled + rtmpUrl, + fps, + allResolutions }) } @@ -203,13 +227,12 @@ class LiveManager { sessionId: string videoLive: MVideoLiveVideo playlist: MStreamingPlaylist - streamPath: string - resolutionsEnabled: number[] - originalResolution: number + rtmpUrl: string + fps: number + allResolutions: number[] }) { - const { sessionId, videoLive, playlist, streamPath, resolutionsEnabled, originalResolution } = options + const { sessionId, videoLive, playlist, allResolutions, fps, rtmpUrl } = options const startStreamDateTime = new Date().getTime() - const allResolutions = resolutionsEnabled.concat([ originalResolution ]) const user = await UserModel.loadByLiveId(videoLive.id) if (!this.livesPerUser.has(user.id)) { @@ -228,7 +251,7 @@ class LiveManager { size: -1, extname: '.ts', infoHash: null, - fps: -1, + fps, videoStreamingPlaylistId: playlist.id }).catch(err => { logger.error('Cannot create file for live streaming.', { err }) @@ -238,24 +261,30 @@ class LiveManager { const outPath = getHLSDirectory(videoLive.Video) await ensureDir(outPath) + const videoUUID = videoLive.Video.uuid const deleteSegments = videoLive.saveReplay === false - const rtmpUrl = 'rtmp://127.0.0.1:' + config.rtmp.port + streamPath const ffmpegExec = CONFIG.LIVE.TRANSCODING.ENABLED - ? runLiveTranscoding(rtmpUrl, outPath, allResolutions, deleteSegments) + ? runLiveTranscoding(rtmpUrl, outPath, allResolutions, fps, deleteSegments) : runLiveMuxing(rtmpUrl, outPath, deleteSegments) - logger.info('Running live muxing/transcoding.') + logger.info('Running live muxing/transcoding for %s.', videoUUID) this.transSessions.set(sessionId, ffmpegExec) - const videoUUID = videoLive.Video.uuid const tsWatcher = chokidar.watch(outPath + '/*.ts') - const updateSegment = segmentPath => this.segmentsSha256Queue.push({ operation: 'update', segmentPath, videoUUID }) + let segmentsToProcess: string[] = [] const addHandler = segmentPath => { - updateSegment(segmentPath) + // Add sha hash of previous segments, because ffmpeg should have finished generating them + for (const previousSegment of segmentsToProcess) { + this.addSegmentSha(videoUUID, previousSegment) + .catch(err => logger.error('Cannot add sha segment of video %s -> %s.', videoUUID, previousSegment, { err })) + } + + segmentsToProcess = [ segmentPath ] + // Duration constraint check if (this.isDurationConstraintValid(startStreamDateTime) !== true) { logger.info('Stopping session of %s: max duration exceeded.', videoUUID) @@ -280,10 +309,9 @@ class LiveManager { } } - const deleteHandler = segmentPath => this.segmentsSha256Queue.push({ operation: 'delete', segmentPath, videoUUID }) + const deleteHandler = segmentPath => this.removeSegmentSha(videoUUID, segmentPath) tsWatcher.on('add', p => addHandler(p)) - tsWatcher.on('change', p => updateSegment(p)) tsWatcher.on('unlink', p => deleteHandler(p)) const masterWatcher = chokidar.watch(outPath + '/master.m3u8') @@ -307,9 +335,10 @@ class LiveManager { }) const onFFmpegEnded = () => { - logger.info('RTMP transmuxing for video %s ended. Scheduling cleanup', streamPath) + logger.info('RTMP transmuxing for video %s ended. Scheduling cleanup', rtmpUrl) this.transSessions.delete(sessionId) + this.watchersPerVideo.delete(videoLive.videoId) Promise.all([ tsWatcher.close(), masterWatcher.close() ]) .catch(err => logger.error('Cannot close watchers of %s.', outPath, { err })) @@ -332,13 +361,6 @@ class LiveManager { ffmpegExec.on('end', () => onFFmpegEnded()) } - getLiveQuotaUsedByUser (userId: number) { - const currentLives = this.livesPerUser.get(userId) - if (!currentLives) return 0 - - return currentLives.reduce((sum, obj) => sum + obj.size, 0) - } - private async onEndTransmuxing (videoId: number, cleanupNow = false) { try { const fullVideo = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId) @@ -362,33 +384,33 @@ class LiveManager { } } - private async addSegmentSha (options: SegmentSha256QueueParam) { - const segmentName = basename(options.segmentPath) - logger.debug('Updating live sha segment %s.', options.segmentPath) + private async addSegmentSha (videoUUID: string, segmentPath: string) { + const segmentName = basename(segmentPath) + logger.debug('Adding live sha segment %s.', segmentPath) - const shaResult = await buildSha256Segment(options.segmentPath) + const shaResult = await buildSha256Segment(segmentPath) - if (!this.segmentsSha256.has(options.videoUUID)) { - this.segmentsSha256.set(options.videoUUID, new Map()) + if (!this.segmentsSha256.has(videoUUID)) { + this.segmentsSha256.set(videoUUID, new Map()) } - const filesMap = this.segmentsSha256.get(options.videoUUID) + const filesMap = this.segmentsSha256.get(videoUUID) filesMap.set(segmentName, shaResult) } - private removeSegmentSha (options: SegmentSha256QueueParam) { - const segmentName = basename(options.segmentPath) + private removeSegmentSha (videoUUID: string, segmentPath: string) { + const segmentName = basename(segmentPath) - logger.debug('Removing live sha segment %s.', options.segmentPath) + logger.debug('Removing live sha segment %s.', segmentPath) - const filesMap = this.segmentsSha256.get(options.videoUUID) + const filesMap = this.segmentsSha256.get(videoUUID) if (!filesMap) { - logger.warn('Unknown files map to remove sha for %s.', options.videoUUID) + 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.', options.videoUUID, options.segmentPath) + logger.warn('Unknown segment in files map for video %s and segment %s.', videoUUID, segmentPath) return } @@ -412,6 +434,32 @@ class LiveManager { 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) + + // 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) + } + } + static get Instance () { return this.instance || (this.instance = new this()) }