-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 { isTestInstance } from '@server/helpers/core-utils'
import {
computeResolutionsToTranscode,
getVideoFileFPS,
} 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'
}
}
-type SegmentSha256QueueParam = {
- operation: 'update' | 'delete'
- videoUUID: string
- segmentPath: string
-}
-
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 }[]>()
return isAbleToUploadVideo(userId, 1000)
}, { maxAge: MEMOIZE_TTL.LIVE_ABLE_TO_UPLOAD })
- private segmentsSha256Queue: AsyncQueue<SegmentSha256QueueParam>
private rtmpServer: any
private constructor () {
logger.info('Live session ended.', { sessionId })
})
- this.segmentsSha256Queue = queue<SegmentSha256QueueParam, Error>((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()
this.stop()
}
})
+
+ setInterval(() => this.updateLiveViews(), VIEW_LIFETIME.LIVE)
}
run () {
this.rtmpServer = undefined
}
+ isRunning () {
+ return !!this.rtmpServer
+ }
+
getSegmentsSha256 (videoUUID: string) {
return this.segmentsSha256.get(videoUUID)
}
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
}
? 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
sessionId,
videoLive,
playlist: videoStreamingPlaylist,
- originalResolution: session.videoHeight,
rtmpUrl,
fps,
- resolutionsEnabled
+ allResolutions
})
}
playlist: MStreamingPlaylist
rtmpUrl: string
fps: number
- resolutionsEnabled: number[]
- originalResolution: number
+ allResolutions: number[]
}) {
- const { sessionId, videoLive, playlist, resolutionsEnabled, originalResolution, fps, rtmpUrl } = 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)) {
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)
}
}
- 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')
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 }))
}
}
- 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
}
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())
}
projects / github / Chocobozzz / PeerTube.git / blobdiff