323 lines
11 KiB
TypeScript
323 lines
11 KiB
TypeScript
import { Job } from 'bullmq'
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import { remove } from 'fs-extra/esm'
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import { readdir } from 'fs/promises'
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import { join } from 'path'
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import { ThumbnailType, VideoLiveEndingPayload, VideoState } from '@peertube/peertube-models'
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import { peertubeTruncate } from '@server/helpers/core-utils.js'
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import { CONSTRAINTS_FIELDS } from '@server/initializers/constants.js'
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import { getLocalVideoActivityPubUrl } from '@server/lib/activitypub/url.js'
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import { federateVideoIfNeeded } from '@server/lib/activitypub/videos/index.js'
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import { cleanupAndDestroyPermanentLive, cleanupTMPLiveFiles, cleanupUnsavedNormalLive } from '@server/lib/live/index.js'
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import {
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generateHLSMasterPlaylistFilename,
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generateHlsSha256SegmentsFilename,
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getHLSDirectory,
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getLiveReplayBaseDirectory
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} from '@server/lib/paths.js'
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import { generateLocalVideoMiniature, regenerateMiniaturesIfNeeded } from '@server/lib/thumbnail.js'
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import { generateHlsPlaylistResolutionFromTS } from '@server/lib/transcoding/hls-transcoding.js'
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import { VideoPathManager } from '@server/lib/video-path-manager.js'
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import { moveToNextState } from '@server/lib/video-state.js'
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import { VideoBlacklistModel } from '@server/models/video/video-blacklist.js'
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import { VideoFileModel } from '@server/models/video/video-file.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 { MVideo, MVideoLive, MVideoLiveSession, MVideoWithAllFiles } from '@server/types/models/index.js'
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import { ffprobePromise, getAudioStream, getVideoStreamDimensionsInfo, getVideoStreamFPS } from '@peertube/peertube-ffmpeg'
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import { logger, loggerTagsFactory } from '../../../helpers/logger.js'
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import { JobQueue } from '../job-queue.js'
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import { isVideoInPublicDirectory } from '@server/lib/video-privacy.js'
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const lTags = loggerTagsFactory('live', 'job')
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async function processVideoLiveEnding (job: Job) {
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const payload = job.data as VideoLiveEndingPayload
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logger.info('Processing video live ending for %s.', payload.videoId, { payload, ...lTags() })
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function logError () {
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logger.warn('Video live %d does not exist anymore. Cannot process live ending.', payload.videoId, lTags())
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}
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const video = await VideoModel.load(payload.videoId)
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const live = await VideoLiveModel.loadByVideoId(payload.videoId)
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const liveSession = await VideoLiveSessionModel.load(payload.liveSessionId)
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if (!video || !live || !liveSession) {
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logError()
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return
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}
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const permanentLive = live.permanentLive
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liveSession.endingProcessed = true
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await liveSession.save()
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if (liveSession.saveReplay !== true) {
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return cleanupLiveAndFederate({ permanentLive, video, streamingPlaylistId: payload.streamingPlaylistId })
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}
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if (await hasReplayFiles(payload.replayDirectory) !== true) {
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logger.info(`No replay files found for live ${video.uuid}, skipping video replay creation.`, { ...lTags(video.uuid) })
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return cleanupLiveAndFederate({ permanentLive, video, streamingPlaylistId: payload.streamingPlaylistId })
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}
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if (permanentLive) {
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await saveReplayToExternalVideo({
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liveVideo: video,
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liveSession,
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publishedAt: payload.publishedAt,
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replayDirectory: payload.replayDirectory
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})
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return cleanupLiveAndFederate({ permanentLive, video, streamingPlaylistId: payload.streamingPlaylistId })
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}
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return replaceLiveByReplay({
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video,
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liveSession,
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live,
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permanentLive,
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replayDirectory: payload.replayDirectory
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})
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}
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// ---------------------------------------------------------------------------
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export {
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processVideoLiveEnding
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}
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// ---------------------------------------------------------------------------
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async function saveReplayToExternalVideo (options: {
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liveVideo: MVideo
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liveSession: MVideoLiveSession
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publishedAt: string
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replayDirectory: string
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}) {
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const { liveVideo, liveSession, publishedAt, replayDirectory } = options
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const replaySettings = await VideoLiveReplaySettingModel.load(liveSession.replaySettingId)
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const videoNameSuffix = ` - ${new Date(publishedAt).toLocaleString()}`
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const truncatedVideoName = peertubeTruncate(liveVideo.name, {
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length: CONSTRAINTS_FIELDS.VIDEOS.NAME.max - videoNameSuffix.length
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})
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const replayVideo = new VideoModel({
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name: truncatedVideoName + videoNameSuffix,
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isLive: false,
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state: VideoState.TO_TRANSCODE,
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duration: 0,
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remote: liveVideo.remote,
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category: liveVideo.category,
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licence: liveVideo.licence,
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language: liveVideo.language,
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commentsEnabled: liveVideo.commentsEnabled,
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downloadEnabled: liveVideo.downloadEnabled,
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waitTranscoding: true,
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nsfw: liveVideo.nsfw,
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description: liveVideo.description,
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support: liveVideo.support,
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privacy: replaySettings.privacy,
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channelId: liveVideo.channelId
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}) as MVideoWithAllFiles
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replayVideo.Thumbnails = []
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replayVideo.VideoFiles = []
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replayVideo.VideoStreamingPlaylists = []
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replayVideo.url = getLocalVideoActivityPubUrl(replayVideo)
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await replayVideo.save()
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liveSession.replayVideoId = replayVideo.id
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await liveSession.save()
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// If live is blacklisted, also blacklist the replay
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const blacklist = await VideoBlacklistModel.loadByVideoId(liveVideo.id)
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if (blacklist) {
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await VideoBlacklistModel.create({
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videoId: replayVideo.id,
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unfederated: blacklist.unfederated,
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reason: blacklist.reason,
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type: blacklist.type
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})
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}
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const inputFileMutexReleaser = await VideoPathManager.Instance.lockFiles(liveVideo.uuid)
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try {
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await assignReplayFilesToVideo({ video: replayVideo, replayDirectory })
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await remove(replayDirectory)
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} finally {
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inputFileMutexReleaser()
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}
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const thumbnails = await generateLocalVideoMiniature({
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video: replayVideo,
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videoFile: replayVideo.getMaxQualityFile(),
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types: [ ThumbnailType.MINIATURE, ThumbnailType.PREVIEW ]
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})
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for (const thumbnail of thumbnails) {
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await replayVideo.addAndSaveThumbnail(thumbnail)
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}
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await moveToNextState({ video: replayVideo, isNewVideo: true })
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await createStoryboardJob(replayVideo)
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}
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async function replaceLiveByReplay (options: {
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video: MVideo
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liveSession: MVideoLiveSession
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live: MVideoLive
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permanentLive: boolean
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replayDirectory: string
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}) {
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const { video: liveVideo, liveSession, live, permanentLive, replayDirectory } = options
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const replaySettings = await VideoLiveReplaySettingModel.load(liveSession.replaySettingId)
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const videoWithFiles = await VideoModel.loadFull(liveVideo.id)
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const hlsPlaylist = videoWithFiles.getHLSPlaylist()
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const replayInAnotherDirectory = isVideoInPublicDirectory(liveVideo.privacy) !== isVideoInPublicDirectory(replaySettings.privacy)
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logger.info(`Replacing live ${liveVideo.uuid} by replay ${replayDirectory}.`, { replayInAnotherDirectory, ...lTags(liveVideo.uuid) })
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await cleanupTMPLiveFiles(videoWithFiles, hlsPlaylist)
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await live.destroy()
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videoWithFiles.isLive = false
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videoWithFiles.privacy = replaySettings.privacy
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videoWithFiles.waitTranscoding = true
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videoWithFiles.state = VideoState.TO_TRANSCODE
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await videoWithFiles.save()
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liveSession.replayVideoId = videoWithFiles.id
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await liveSession.save()
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await VideoFileModel.removeHLSFilesOfVideoId(hlsPlaylist.id)
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// Reset playlist
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hlsPlaylist.VideoFiles = []
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hlsPlaylist.playlistFilename = generateHLSMasterPlaylistFilename()
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hlsPlaylist.segmentsSha256Filename = generateHlsSha256SegmentsFilename()
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await hlsPlaylist.save()
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const inputFileMutexReleaser = await VideoPathManager.Instance.lockFiles(videoWithFiles.uuid)
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try {
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await assignReplayFilesToVideo({ video: videoWithFiles, replayDirectory })
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// Should not happen in this function, but we keep the code if in the future we can replace the permanent live by a replay
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if (permanentLive) { // Remove session replay
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await remove(replayDirectory)
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} else {
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// We won't stream again in this live, we can delete the base replay directory
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await remove(getLiveReplayBaseDirectory(liveVideo))
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// If the live was in another base directory, also delete it
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if (replayInAnotherDirectory) {
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await remove(getHLSDirectory(liveVideo))
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}
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}
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} finally {
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inputFileMutexReleaser()
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}
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// Regenerate the thumbnail & preview?
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await regenerateMiniaturesIfNeeded(videoWithFiles)
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// We consider this is a new video
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await moveToNextState({ video: videoWithFiles, isNewVideo: true })
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await createStoryboardJob(videoWithFiles)
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}
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async function assignReplayFilesToVideo (options: {
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video: MVideo
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replayDirectory: string
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}) {
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const { video, replayDirectory } = options
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const concatenatedTsFiles = await readdir(replayDirectory)
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logger.info(`Assigning replays ${replayDirectory} to video ${video.uuid}.`, { concatenatedTsFiles, ...lTags(video.uuid) })
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for (const concatenatedTsFile of concatenatedTsFiles) {
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// Generating hls playlist can be long, reload the video in this case
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await video.reload()
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const concatenatedTsFilePath = join(replayDirectory, concatenatedTsFile)
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const probe = await ffprobePromise(concatenatedTsFilePath)
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const { audioStream } = await getAudioStream(concatenatedTsFilePath, probe)
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const { resolution } = await getVideoStreamDimensionsInfo(concatenatedTsFilePath, probe)
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const fps = await getVideoStreamFPS(concatenatedTsFilePath, probe)
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try {
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await generateHlsPlaylistResolutionFromTS({
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video,
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inputFileMutexReleaser: null, // Already locked in parent
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concatenatedTsFilePath,
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resolution,
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fps,
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isAAC: audioStream?.codec_name === 'aac'
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})
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} catch (err) {
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logger.error('Cannot generate HLS playlist resolution from TS files.', { err })
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}
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}
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return video
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}
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async function cleanupLiveAndFederate (options: {
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video: MVideo
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permanentLive: boolean
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streamingPlaylistId: number
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}) {
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const { permanentLive, video, streamingPlaylistId } = options
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const streamingPlaylist = await VideoStreamingPlaylistModel.loadWithVideo(streamingPlaylistId)
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if (streamingPlaylist) {
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if (permanentLive) {
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await cleanupAndDestroyPermanentLive(video, streamingPlaylist)
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} else {
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await cleanupUnsavedNormalLive(video, streamingPlaylist)
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}
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}
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try {
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const fullVideo = await VideoModel.loadFull(video.id)
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return federateVideoIfNeeded(fullVideo, false, undefined)
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} catch (err) {
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logger.warn('Cannot federate live after cleanup', { videoId: video.id, err })
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}
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}
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function createStoryboardJob (video: MVideo) {
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return JobQueue.Instance.createJob({
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type: 'generate-video-storyboard' as 'generate-video-storyboard',
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payload: {
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videoUUID: video.uuid,
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federate: true
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}
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})
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}
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async function hasReplayFiles (replayDirectory: string) {
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return (await readdir(replayDirectory)).length !== 0
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}
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