-
import { mapSeries } from 'bluebird'
import { FSWatcher, watch } from 'chokidar'
-import { FfmpegCommand } from 'fluent-ffmpeg'
+import { EventEmitter } from 'events'
import { appendFile, ensureDir, readFile, stat } from 'fs-extra'
import PQueue from 'p-queue'
import { basename, join } from 'path'
-import { EventEmitter } from 'stream'
-import { getLiveMuxingCommand, getLiveTranscodingCommand } from '@server/helpers/ffmpeg'
+import { computeOutputFPS } from '@server/helpers/ffmpeg'
import { logger, loggerTagsFactory, LoggerTagsFn } from '@server/helpers/logger'
import { CONFIG } from '@server/initializers/config'
-import { MEMOIZE_TTL, VIDEO_LIVE } from '@server/initializers/constants'
-import { removeHLSFileObjectStorageByPath, storeHLSFileFromFilename, storeHLSFileFromPath } from '@server/lib/object-storage'
+import { MEMOIZE_TTL, P2P_MEDIA_LOADER_PEER_VERSION, VIDEO_LIVE } from '@server/initializers/constants'
+import {
+ removeHLSFileObjectStorageByPath,
+ storeHLSFileFromContent,
+ storeHLSFileFromFilename,
+ storeHLSFileFromPath
+} from '@server/lib/object-storage'
import { VideoFileModel } from '@server/models/video/video-file'
+import { VideoStreamingPlaylistModel } from '@server/models/video/video-streaming-playlist'
import { MStreamingPlaylistVideo, MUserId, MVideoLiveVideo } from '@server/types/models'
-import { VideoStorage } from '@shared/models'
-import { getLiveDirectory, getLiveReplayBaseDirectory } from '../../paths'
-import { VideoTranscodingProfilesManager } from '../../transcoding/default-transcoding-profiles'
+import { VideoStorage, VideoStreamingPlaylistType } from '@shared/models'
+import {
+ generateHLSMasterPlaylistFilename,
+ generateHlsSha256SegmentsFilename,
+ getLiveDirectory,
+ getLiveReplayBaseDirectory
+} from '../../paths'
import { isAbleToUploadVideo } from '../../user'
import { LiveQuotaStore } from '../live-quota-store'
import { LiveSegmentShaStore } from '../live-segment-sha-store'
-import { buildConcatenatedName } from '../live-utils'
+import { buildConcatenatedName, getLiveSegmentTime } from '../live-utils'
+import { AbstractTranscodingWrapper, FFmpegTranscodingWrapper, RemoteTranscodingWrapper } from './transcoding-wrapper'
import memoizee = require('memoizee')
interface MuxingSessionEvents {
- 'live-ready': (options: { videoId: number }) => void
+ 'live-ready': (options: { videoUUID: string }) => void
- 'bad-socket-health': (options: { videoId: number }) => void
- 'duration-exceeded': (options: { videoId: number }) => void
- 'quota-exceeded': (options: { videoId: number }) => void
+ 'bad-socket-health': (options: { videoUUID: string }) => void
+ 'duration-exceeded': (options: { videoUUID: string }) => void
+ 'quota-exceeded': (options: { videoUUID: string }) => void
- 'ffmpeg-end': (options: { videoId: number }) => void
- 'ffmpeg-error': (options: { videoId: number }) => void
+ 'transcoding-end': (options: { videoUUID: string }) => void
+ 'transcoding-error': (options: { videoUUID: string }) => void
- 'after-cleanup': (options: { videoId: number }) => void
+ 'after-cleanup': (options: { videoUUID: string }) => void
}
declare interface MuxingSession {
class MuxingSession extends EventEmitter {
- private ffmpegCommand: FfmpegCommand
+ private transcodingWrapper: AbstractTranscodingWrapper
private readonly context: any
private readonly user: MUserId
private readonly sessionId: string
private readonly videoLive: MVideoLiveVideo
- private readonly streamingPlaylist: MStreamingPlaylistVideo
- private readonly inputUrl: string
+
+ private readonly inputLocalUrl: string
+ private readonly inputPublicUrl: string
+
private readonly fps: number
private readonly allResolutions: number[]
private readonly hasAudio: boolean
- private readonly videoId: number
private readonly videoUUID: string
private readonly saveReplay: boolean
private readonly outDirectory: string
private readonly replayDirectory: string
- private readonly liveSegmentShaStore: LiveSegmentShaStore
-
private readonly lTags: LoggerTagsFn
+ // Path -> Queue
+ private readonly objectStorageSendQueues = new Map<string, PQueue>()
+
private segmentsToProcessPerPlaylist: { [playlistId: string]: string[] } = {}
- private tsWatcher: FSWatcher
- private masterWatcher: FSWatcher
- private m3u8Watcher: FSWatcher
+ private streamingPlaylist: MStreamingPlaylistVideo
+ private liveSegmentShaStore: LiveSegmentShaStore
+
+ private filesWatcher: FSWatcher
private masterPlaylistCreated = false
private liveReady = false
user: MUserId
sessionId: string
videoLive: MVideoLiveVideo
- streamingPlaylist: MStreamingPlaylistVideo
- inputUrl: string
+
+ inputLocalUrl: string
+ inputPublicUrl: string
+
fps: number
bitrate: number
ratio: number
this.user = options.user
this.sessionId = options.sessionId
this.videoLive = options.videoLive
- this.streamingPlaylist = options.streamingPlaylist
- this.inputUrl = options.inputUrl
+
+ this.inputLocalUrl = options.inputLocalUrl
+ this.inputPublicUrl = options.inputPublicUrl
+
this.fps = options.fps
this.bitrate = options.bitrate
this.allResolutions = options.allResolutions
- this.videoId = this.videoLive.Video.id
this.videoUUID = this.videoLive.Video.uuid
this.saveReplay = this.videoLive.saveReplay
this.outDirectory = getLiveDirectory(this.videoLive.Video)
this.replayDirectory = join(getLiveReplayBaseDirectory(this.videoLive.Video), new Date().toISOString())
- this.liveSegmentShaStore = new LiveSegmentShaStore({
- videoUUID: this.videoLive.Video.uuid,
- sha256Path: join(this.outDirectory, this.streamingPlaylist.segmentsSha256Filename),
- streamingPlaylist: this.streamingPlaylist,
- sendToObjectStorage: CONFIG.OBJECT_STORAGE.ENABLED
- })
-
this.lTags = loggerTagsFactory('live', this.sessionId, this.videoUUID)
}
async runMuxing () {
+ this.streamingPlaylist = await this.createLivePlaylist()
+
+ this.createLiveShaStore()
this.createFiles()
await this.prepareDirectories()
- this.ffmpegCommand = CONFIG.LIVE.TRANSCODING.ENABLED
- ? await getLiveTranscodingCommand({
- inputUrl: this.inputUrl,
+ this.transcodingWrapper = this.buildTranscodingWrapper()
- outPath: this.outDirectory,
- masterPlaylistName: this.streamingPlaylist.playlistFilename,
+ this.transcodingWrapper.on('end', () => this.onTranscodedEnded())
+ this.transcodingWrapper.on('error', () => this.onTranscodingError())
- latencyMode: this.videoLive.latencyMode,
-
- resolutions: this.allResolutions,
- fps: this.fps,
- bitrate: this.bitrate,
- ratio: this.ratio,
+ await this.transcodingWrapper.run()
- hasAudio: this.hasAudio,
-
- availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
- profile: CONFIG.LIVE.TRANSCODING.PROFILE
- })
- : getLiveMuxingCommand({
- inputUrl: this.inputUrl,
- outPath: this.outDirectory,
- masterPlaylistName: this.streamingPlaylist.playlistFilename,
- latencyMode: this.videoLive.latencyMode
- })
-
- logger.info('Running live muxing/transcoding for %s.', this.videoUUID, this.lTags())
+ this.filesWatcher = watch(this.outDirectory, { depth: 0 })
this.watchMasterFile()
this.watchTSFiles()
- this.watchM3U8File()
-
- let ffmpegShellCommand: string
- this.ffmpegCommand.on('start', cmdline => {
- ffmpegShellCommand = cmdline
-
- logger.debug('Running ffmpeg command for live', { ffmpegShellCommand, ...this.lTags() })
- })
-
- this.ffmpegCommand.on('error', (err, stdout, stderr) => {
- this.onFFmpegError({ err, stdout, stderr, ffmpegShellCommand })
- })
-
- this.ffmpegCommand.on('end', () => {
- this.emit('ffmpeg-end', ({ videoId: this.videoId }))
-
- this.onFFmpegEnded()
- })
-
- this.ffmpegCommand.run()
}
abort () {
- if (!this.ffmpegCommand) return
+ if (!this.transcodingWrapper) return
this.aborted = true
- this.ffmpegCommand.kill('SIGINT')
+ this.transcodingWrapper.abort()
}
destroy () {
this.hasClientSocketInBadHealthWithCache.clear()
}
- private onFFmpegError (options: {
- err: any
- stdout: string
- stderr: string
- ffmpegShellCommand: string
- }) {
- const { err, stdout, stderr, ffmpegShellCommand } = options
-
- this.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, ffmpegShellCommand, ...this.lTags() })
-
- this.emit('ffmpeg-error', ({ videoId: this.videoId }))
- }
-
- private onFFmpegEnded () {
- logger.info('RTMP transmuxing for video %s ended. Scheduling cleanup', this.inputUrl, this.lTags())
-
- setTimeout(() => {
- // Wait latest segments generation, and close watchers
-
- Promise.all([ this.tsWatcher.close(), this.masterWatcher.close(), this.m3u8Watcher.close() ])
- .then(() => {
- // Process remaining segments hash
- for (const key of Object.keys(this.segmentsToProcessPerPlaylist)) {
- this.processSegments(this.segmentsToProcessPerPlaylist[key])
- }
- })
- .catch(err => {
- logger.error(
- 'Cannot close watchers of %s or process remaining hash segments.', this.outDirectory,
- { err, ...this.lTags() }
- )
- })
-
- this.emit('after-cleanup', { videoId: this.videoId })
- }, 1000)
- }
-
private watchMasterFile () {
- this.masterWatcher = watch(this.outDirectory + '/' + this.streamingPlaylist.playlistFilename)
+ this.filesWatcher.on('add', async path => {
+ if (path !== join(this.outDirectory, this.streamingPlaylist.playlistFilename)) return
+ if (this.masterPlaylistCreated === true) return
- this.masterWatcher.on('add', async () => {
- if (this.streamingPlaylist.storage === VideoStorage.OBJECT_STORAGE) {
- try {
+ try {
+ if (this.streamingPlaylist.storage === VideoStorage.OBJECT_STORAGE) {
const url = await storeHLSFileFromFilename(this.streamingPlaylist, this.streamingPlaylist.playlistFilename)
this.streamingPlaylist.playlistUrl = url
- await this.streamingPlaylist.save()
- } catch (err) {
- logger.error('Cannot upload live master file to object storage.', { err, ...this.lTags() })
}
- }
- this.masterPlaylistCreated = true
+ this.streamingPlaylist.assignP2PMediaLoaderInfoHashes(this.videoLive.Video, this.allResolutions)
- this.masterWatcher.close()
- .catch(err => logger.error('Cannot close master watcher of %s.', this.outDirectory, { err, ...this.lTags() }))
- })
- }
-
- private watchM3U8File () {
- this.m3u8Watcher = watch(this.outDirectory + '/*.m3u8')
-
- const sendQueues = new Map<string, PQueue>()
-
- const onChangeOrAdd = async (m3u8Path: string) => {
- if (this.streamingPlaylist.storage !== VideoStorage.OBJECT_STORAGE) return
-
- try {
- if (!sendQueues.has(m3u8Path)) {
- sendQueues.set(m3u8Path, new PQueue({ concurrency: 1 }))
- }
-
- const queue = sendQueues.get(m3u8Path)
- await queue.add(() => storeHLSFileFromPath(this.streamingPlaylist, m3u8Path))
+ await this.streamingPlaylist.save()
} catch (err) {
- logger.error('Cannot store in object storage m3u8 file %s', m3u8Path, { err, ...this.lTags() })
+ logger.error('Cannot update streaming playlist.', { err, ...this.lTags() })
}
- }
- this.m3u8Watcher.on('change', onChangeOrAdd)
+ this.masterPlaylistCreated = true
+
+ logger.info('Master playlist file for %s has been created', this.videoUUID, this.lTags())
+ })
}
private watchTSFiles () {
const startStreamDateTime = new Date().getTime()
- this.tsWatcher = watch(this.outDirectory + '/*.ts')
-
- const playlistIdMatcher = /^([\d+])-/
-
const addHandler = async (segmentPath: string) => {
- logger.debug('Live add handler of %s.', segmentPath, this.lTags())
+ if (segmentPath.endsWith('.ts') !== true) return
- const playlistId = basename(segmentPath).match(playlistIdMatcher)[0]
+ logger.debug('Live add handler of TS file %s.', segmentPath, this.lTags())
+
+ const playlistId = this.getPlaylistIdFromTS(segmentPath)
const segmentsToProcess = this.segmentsToProcessPerPlaylist[playlistId] || []
this.processSegments(segmentsToProcess)
this.segmentsToProcessPerPlaylist[playlistId] = [ segmentPath ]
if (this.hasClientSocketInBadHealthWithCache(this.sessionId)) {
- this.emit('bad-socket-health', { videoId: this.videoId })
+ this.emit('bad-socket-health', { videoUUID: this.videoUUID })
return
}
// Duration constraint check
if (this.isDurationConstraintValid(startStreamDateTime) !== true) {
- this.emit('duration-exceeded', { videoId: this.videoId })
+ this.emit('duration-exceeded', { videoUUID: this.videoUUID })
return
}
// Check user quota if the user enabled replay saving
if (await this.isQuotaExceeded(segmentPath) === true) {
- this.emit('quota-exceeded', { videoId: this.videoId })
+ this.emit('quota-exceeded', { videoUUID: this.videoUUID })
}
}
const deleteHandler = async (segmentPath: string) => {
+ if (segmentPath.endsWith('.ts') !== true) return
+
+ logger.debug('Live delete handler of TS file %s.', segmentPath, this.lTags())
+
try {
await this.liveSegmentShaStore.removeSegmentSha(segmentPath)
} catch (err) {
}
}
- this.tsWatcher.on('add', p => addHandler(p))
- this.tsWatcher.on('unlink', p => deleteHandler(p))
+ this.filesWatcher.on('add', p => addHandler(p))
+ this.filesWatcher.on('unlink', p => deleteHandler(p))
}
private async isQuotaExceeded (segmentPath: string) {
if (this.streamingPlaylist.storage === VideoStorage.OBJECT_STORAGE) {
try {
await storeHLSFileFromPath(this.streamingPlaylist, segmentPath)
+
+ await this.processM3U8ToObjectStorage(segmentPath)
} catch (err) {
logger.error('Cannot store TS segment %s in object storage', segmentPath, { err, ...this.lTags() })
}
if (this.masterPlaylistCreated && !this.liveReady) {
this.liveReady = true
- this.emit('live-ready', { videoId: this.videoId })
+ this.emit('live-ready', { videoUUID: this.videoUUID })
+ }
+ }
+
+ private async processM3U8ToObjectStorage (segmentPath: string) {
+ const m3u8Path = join(this.outDirectory, this.getPlaylistNameFromTS(segmentPath))
+
+ logger.debug('Process M3U8 file %s.', m3u8Path, this.lTags())
+
+ const segmentName = basename(segmentPath)
+
+ const playlistContent = await readFile(m3u8Path, 'utf-8')
+ // Remove new chunk references, that will be processed later
+ const filteredPlaylistContent = playlistContent.substring(0, playlistContent.lastIndexOf(segmentName) + segmentName.length) + '\n'
+
+ try {
+ if (!this.objectStorageSendQueues.has(m3u8Path)) {
+ this.objectStorageSendQueues.set(m3u8Path, new PQueue({ concurrency: 1 }))
+ }
+
+ const queue = this.objectStorageSendQueues.get(m3u8Path)
+ await queue.add(() => storeHLSFileFromContent(this.streamingPlaylist, m3u8Path, filteredPlaylistContent))
+ } catch (err) {
+ logger.error('Cannot store in object storage m3u8 file %s', m3u8Path, { err, ...this.lTags() })
}
}
+ private onTranscodingError () {
+ this.emit('transcoding-error', ({ videoUUID: this.videoUUID }))
+ }
+
+ private onTranscodedEnded () {
+ this.emit('transcoding-end', ({ videoUUID: this.videoUUID }))
+
+ logger.info('RTMP transmuxing for video %s ended. Scheduling cleanup', this.inputLocalUrl, this.lTags())
+
+ setTimeout(() => {
+ // Wait latest segments generation, and close watchers
+
+ const promise = this.filesWatcher?.close() || Promise.resolve()
+ promise
+ .then(() => {
+ // Process remaining segments hash
+ for (const key of Object.keys(this.segmentsToProcessPerPlaylist)) {
+ this.processSegments(this.segmentsToProcessPerPlaylist[key])
+ }
+ })
+ .catch(err => {
+ logger.error(
+ 'Cannot close watchers of %s or process remaining hash segments.', this.outDirectory,
+ { err, ...this.lTags() }
+ )
+ })
+
+ this.emit('after-cleanup', { videoUUID: this.videoUUID })
+ }, 1000)
+ }
+
private hasClientSocketInBadHealth (sessionId: string) {
const rtmpSession = this.context.sessions.get(sessionId)
logger.error('Cannot copy segment %s to replay directory.', segmentPath, { err, ...this.lTags() })
}
}
+
+ private async createLivePlaylist (): Promise<MStreamingPlaylistVideo> {
+ const playlist = await VideoStreamingPlaylistModel.loadOrGenerate(this.videoLive.Video)
+
+ playlist.playlistFilename = generateHLSMasterPlaylistFilename(true)
+ playlist.segmentsSha256Filename = generateHlsSha256SegmentsFilename(true)
+
+ playlist.p2pMediaLoaderPeerVersion = P2P_MEDIA_LOADER_PEER_VERSION
+ playlist.type = VideoStreamingPlaylistType.HLS
+
+ playlist.storage = CONFIG.OBJECT_STORAGE.ENABLED
+ ? VideoStorage.OBJECT_STORAGE
+ : VideoStorage.FILE_SYSTEM
+
+ return playlist.save()
+ }
+
+ private createLiveShaStore () {
+ this.liveSegmentShaStore = new LiveSegmentShaStore({
+ videoUUID: this.videoLive.Video.uuid,
+ sha256Path: join(this.outDirectory, this.streamingPlaylist.segmentsSha256Filename),
+ streamingPlaylist: this.streamingPlaylist,
+ sendToObjectStorage: CONFIG.OBJECT_STORAGE.ENABLED
+ })
+ }
+
+ private buildTranscodingWrapper () {
+ const options = {
+ streamingPlaylist: this.streamingPlaylist,
+ videoLive: this.videoLive,
+
+ lTags: this.lTags,
+
+ sessionId: this.sessionId,
+ inputLocalUrl: this.inputLocalUrl,
+ inputPublicUrl: this.inputPublicUrl,
+
+ toTranscode: this.allResolutions.map(resolution => ({
+ resolution,
+ fps: computeOutputFPS({ inputFPS: this.fps, resolution })
+ })),
+
+ fps: this.fps,
+ bitrate: this.bitrate,
+ ratio: this.ratio,
+ hasAudio: this.hasAudio,
+
+ segmentListSize: VIDEO_LIVE.SEGMENTS_LIST_SIZE,
+ segmentDuration: getLiveSegmentTime(this.videoLive.latencyMode),
+
+ outDirectory: this.outDirectory
+ }
+
+ return CONFIG.LIVE.TRANSCODING.ENABLED && CONFIG.LIVE.TRANSCODING.REMOTE_RUNNERS.ENABLED
+ ? new RemoteTranscodingWrapper(options)
+ : new FFmpegTranscodingWrapper(options)
+ }
+
+ private getPlaylistIdFromTS (segmentPath: string) {
+ const playlistIdMatcher = /^([\d+])-/
+
+ return basename(segmentPath).match(playlistIdMatcher)[1]
+ }
+
+ private getPlaylistNameFromTS (segmentPath: string) {
+ return `${this.getPlaylistIdFromTS(segmentPath)}.m3u8`
+ }
}
// ---------------------------------------------------------------------------
projects / github / Chocobozzz / PeerTube.git / blobdiff