PeerTube/server/lib/job-queue/handlers/video-live-ending.ts

156 lines
4.9 KiB
TypeScript

import * as Bull from 'bull'
import { readdir, remove } from 'fs-extra'
import { join } from 'path'
import { getDurationFromVideoFile, getVideoFileResolution, hlsPlaylistToFragmentedMP4 } from '@server/helpers/ffmpeg-utils'
import { publishAndFederateIfNeeded } from '@server/lib/video'
import { getHLSDirectory } from '@server/lib/video-paths'
import { generateHlsPlaylist } from '@server/lib/video-transcoding'
import { VideoModel } from '@server/models/video/video'
import { VideoFileModel } from '@server/models/video/video-file'
import { VideoLiveModel } from '@server/models/video/video-live'
import { VideoStreamingPlaylistModel } from '@server/models/video/video-streaming-playlist'
import { MStreamingPlaylist, MVideo, MVideoLive } from '@server/types/models'
import { ThumbnailType, VideoLiveEndingPayload, VideoState } from '@shared/models'
import { logger } from '../../../helpers/logger'
import { generateVideoMiniature } from '@server/lib/thumbnail'
async function processVideoLiveEnding (job: Bull.Job) {
const payload = job.data as VideoLiveEndingPayload
function logError () {
logger.warn('Video live %d does not exist anymore. Cannot process live ending.', payload.videoId)
}
const video = await VideoModel.load(payload.videoId)
const live = await VideoLiveModel.loadByVideoId(payload.videoId)
if (!video || !live) {
logError()
return
}
const streamingPlaylist = await VideoStreamingPlaylistModel.loadHLSPlaylistByVideo(video.id)
if (!streamingPlaylist) {
logError()
return
}
if (live.saveReplay !== true) {
return cleanupLive(video, streamingPlaylist)
}
return saveLive(video, live)
}
// ---------------------------------------------------------------------------
export {
processVideoLiveEnding
}
// ---------------------------------------------------------------------------
async function saveLive (video: MVideo, live: MVideoLive) {
const hlsDirectory = getHLSDirectory(video, false)
const files = await readdir(hlsDirectory)
const playlistFiles = files.filter(f => f.endsWith('.m3u8') && f !== 'master.m3u8')
const resolutions: number[] = []
let duration: number
for (const playlistFile of playlistFiles) {
const playlistPath = join(hlsDirectory, playlistFile)
const { videoFileResolution } = await getVideoFileResolution(playlistPath)
const mp4TmpPath = buildMP4TmpPath(hlsDirectory, videoFileResolution)
// Playlist name is for example 3.m3u8
// Segments names are 3-0.ts 3-1.ts etc
const shouldStartWith = playlistFile.replace(/\.m3u8$/, '') + '-'
const segmentFiles = files.filter(f => f.startsWith(shouldStartWith) && f.endsWith('.ts'))
await hlsPlaylistToFragmentedMP4(hlsDirectory, segmentFiles, mp4TmpPath)
if (!duration) {
duration = await getDurationFromVideoFile(mp4TmpPath)
}
resolutions.push(videoFileResolution)
}
await cleanupLiveFiles(hlsDirectory)
await live.destroy()
video.isLive = false
video.state = VideoState.TO_TRANSCODE
video.duration = duration
await video.save()
// Remove old HLS playlist video files
const videoWithFiles = await VideoModel.loadWithFiles(video.id)
const hlsPlaylist = videoWithFiles.getHLSPlaylist()
await VideoFileModel.removeHLSFilesOfVideoId(hlsPlaylist.id)
hlsPlaylist.VideoFiles = []
for (const resolution of resolutions) {
const videoInputPath = buildMP4TmpPath(hlsDirectory, resolution)
const { isPortraitMode } = await getVideoFileResolution(videoInputPath)
await generateHlsPlaylist({
video: videoWithFiles,
videoInputPath,
resolution: resolution,
copyCodecs: true,
isPortraitMode
})
await remove(videoInputPath)
}
// Regenerate the thumbnail & preview?
if (videoWithFiles.getMiniature().automaticallyGenerated === true) {
await generateVideoMiniature(videoWithFiles, videoWithFiles.getMaxQualityFile(), ThumbnailType.MINIATURE)
}
if (videoWithFiles.getPreview().automaticallyGenerated === true) {
await generateVideoMiniature(videoWithFiles, videoWithFiles.getMaxQualityFile(), ThumbnailType.PREVIEW)
}
await publishAndFederateIfNeeded(video, true)
}
async function cleanupLive (video: MVideo, streamingPlaylist: MStreamingPlaylist) {
const hlsDirectory = getHLSDirectory(video, false)
await remove(hlsDirectory)
streamingPlaylist.destroy()
.catch(err => logger.error('Cannot remove live streaming playlist.', { err }))
}
async function cleanupLiveFiles (hlsDirectory: string) {
const files = await readdir(hlsDirectory)
for (const filename of files) {
if (
filename.endsWith('.ts') ||
filename.endsWith('.m3u8') ||
filename.endsWith('.mpd') ||
filename.endsWith('.m4s') ||
filename.endsWith('.tmp')
) {
const p = join(hlsDirectory, filename)
remove(p)
.catch(err => logger.error('Cannot remove %s.', p, { err }))
}
}
}
function buildMP4TmpPath (basePath: string, resolution: number) {
return join(basePath, resolution + '-tmp.mp4')
}