-import { VideoModel } from '../models/video/video'
+import { close, ensureDir, move, open, outputJSON, read, readFile, remove, stat, writeFile } from 'fs-extra'
+import { flatten } from 'lodash'
+import PQueue from 'p-queue'
import { basename, dirname, join } from 'path'
-import { HLS_PLAYLIST_DIRECTORY, CONFIG } from '../initializers'
-import { outputJSON, pathExists, readdir, readFile, remove, writeFile, move } from 'fs-extra'
-import { getVideoFileSize } from '../helpers/ffmpeg-utils'
-import { sha256 } from '../helpers/core-utils'
-import { VideoStreamingPlaylistModel } from '../models/video/video-streaming-playlist'
-import HLSDownloader from 'hlsdownloader'
+import { MStreamingPlaylist, MStreamingPlaylistFilesVideo, MVideo } from '@server/types/models'
+import { uniqify, uuidRegex } from '@shared/core-utils'
+import { sha256 } from '@shared/extra-utils'
+import { getVideoStreamDimensionsInfo } from '@shared/ffmpeg'
+import { VideoStorage } from '@shared/models'
+import { getAudioStreamCodec, getVideoStreamCodec } from '../helpers/ffmpeg'
import { logger } from '../helpers/logger'
-import { parse } from 'url'
+import { doRequest, doRequestAndSaveToFile } from '../helpers/requests'
+import { generateRandomString } from '../helpers/utils'
+import { CONFIG } from '../initializers/config'
+import { P2P_MEDIA_LOADER_PEER_VERSION, REQUEST_TIMEOUTS } from '../initializers/constants'
+import { sequelizeTypescript } from '../initializers/database'
+import { VideoFileModel } from '../models/video/video-file'
+import { VideoStreamingPlaylistModel } from '../models/video/video-streaming-playlist'
+import { storeHLSFileFromFilename } from './object-storage'
+import { generateHLSMasterPlaylistFilename, generateHlsSha256SegmentsFilename, getHlsResolutionPlaylistFilename } from './paths'
+import { VideoPathManager } from './video-path-manager'
-async function updateMasterHLSPlaylist (video: VideoModel) {
- const directory = join(HLS_PLAYLIST_DIRECTORY, video.uuid)
- const masterPlaylists: string[] = [ '#EXTM3U', '#EXT-X-VERSION:3' ]
- const masterPlaylistPath = join(directory, VideoStreamingPlaylistModel.getMasterHlsPlaylistFilename())
+async function updateStreamingPlaylistsInfohashesIfNeeded () {
+ const playlistsToUpdate = await VideoStreamingPlaylistModel.listByIncorrectPeerVersion()
- for (const file of video.VideoFiles) {
- // If we did not generated a playlist for this resolution, skip
- const filePlaylistPath = join(directory, VideoStreamingPlaylistModel.getHlsPlaylistFilename(file.resolution))
- if (await pathExists(filePlaylistPath) === false) continue
+ // Use separate SQL queries, because we could have many videos to update
+ for (const playlist of playlistsToUpdate) {
+ await sequelizeTypescript.transaction(async t => {
+ const videoFiles = await VideoFileModel.listByStreamingPlaylist(playlist.id, t)
- const videoFilePath = video.getVideoFilePath(file)
+ playlist.assignP2PMediaLoaderInfoHashes(playlist.Video, videoFiles)
+ playlist.p2pMediaLoaderPeerVersion = P2P_MEDIA_LOADER_PEER_VERSION
- const size = await getVideoFileSize(videoFilePath)
+ await playlist.save({ transaction: t })
+ })
+ }
+}
- const bandwidth = 'BANDWIDTH=' + video.getBandwidthBits(file)
- const resolution = `RESOLUTION=${size.width}x${size.height}`
+async function updatePlaylistAfterFileChange (video: MVideo, playlist: MStreamingPlaylist) {
+ try {
+ let playlistWithFiles = await updateMasterHLSPlaylist(video, playlist)
+ playlistWithFiles = await updateSha256VODSegments(video, playlist)
- let line = `#EXT-X-STREAM-INF:${bandwidth},${resolution}`
- if (file.fps) line += ',FRAME-RATE=' + file.fps
+ // Refresh playlist, operations can take some time
+ playlistWithFiles = await VideoStreamingPlaylistModel.loadWithVideoAndFiles(playlist.id)
+ playlistWithFiles.assignP2PMediaLoaderInfoHashes(video, playlistWithFiles.VideoFiles)
+ await playlistWithFiles.save()
- masterPlaylists.push(line)
- masterPlaylists.push(VideoStreamingPlaylistModel.getHlsPlaylistFilename(file.resolution))
+ video.setHLSPlaylist(playlistWithFiles)
+ } catch (err) {
+ logger.info('Cannot update playlist after file change. Maybe due to concurrent transcoding', { err })
}
-
- await writeFile(masterPlaylistPath, masterPlaylists.join('\n') + '\n')
}
-async function updateSha256Segments (video: VideoModel) {
- const directory = join(HLS_PLAYLIST_DIRECTORY, video.uuid)
- const files = await readdir(directory)
- const json: { [filename: string]: string} = {}
+// ---------------------------------------------------------------------------
- for (const file of files) {
- if (file.endsWith('.ts') === false) continue
+// Avoid concurrency issues when updating streaming playlist files
+const playlistFilesQueue = new PQueue({ concurrency: 1 })
- const buffer = await readFile(join(directory, file))
- const filename = basename(file)
+function updateMasterHLSPlaylist (video: MVideo, playlistArg: MStreamingPlaylist): Promise<MStreamingPlaylistFilesVideo> {
+ return playlistFilesQueue.add(async () => {
+ const playlist = await VideoStreamingPlaylistModel.loadWithVideoAndFiles(playlistArg.id)
- json[filename] = sha256(buffer)
- }
+ const masterPlaylists: string[] = [ '#EXTM3U', '#EXT-X-VERSION:3' ]
+
+ for (const file of playlist.VideoFiles) {
+ const playlistFilename = getHlsResolutionPlaylistFilename(file.filename)
+
+ await VideoPathManager.Instance.makeAvailableVideoFile(file.withVideoOrPlaylist(playlist), async videoFilePath => {
+ const size = await getVideoStreamDimensionsInfo(videoFilePath)
+
+ const bandwidth = 'BANDWIDTH=' + video.getBandwidthBits(file)
+ const resolution = `RESOLUTION=${size?.width || 0}x${size?.height || 0}`
- const outputPath = join(directory, VideoStreamingPlaylistModel.getHlsSha256SegmentsFilename())
- await outputJSON(outputPath, json)
+ let line = `#EXT-X-STREAM-INF:${bandwidth},${resolution}`
+ if (file.fps) line += ',FRAME-RATE=' + file.fps
+
+ const codecs = await Promise.all([
+ getVideoStreamCodec(videoFilePath),
+ getAudioStreamCodec(videoFilePath)
+ ])
+
+ line += `,CODECS="${codecs.filter(c => !!c).join(',')}"`
+
+ masterPlaylists.push(line)
+ masterPlaylists.push(playlistFilename)
+ })
+ }
+
+ if (playlist.playlistFilename) {
+ await video.removeStreamingPlaylistFile(playlist, playlist.playlistFilename)
+ }
+ playlist.playlistFilename = generateHLSMasterPlaylistFilename(video.isLive)
+
+ const masterPlaylistPath = VideoPathManager.Instance.getFSHLSOutputPath(video, playlist.playlistFilename)
+ await writeFile(masterPlaylistPath, masterPlaylists.join('\n') + '\n')
+
+ if (playlist.storage === VideoStorage.OBJECT_STORAGE) {
+ playlist.playlistUrl = await storeHLSFileFromFilename(playlist, playlist.playlistFilename)
+ await remove(masterPlaylistPath)
+ }
+
+ return playlist.save()
+ })
}
-function downloadPlaylistSegments (playlistUrl: string, destinationDir: string, timeout: number) {
- let timer
+// ---------------------------------------------------------------------------
- logger.info('Importing HLS playlist %s', playlistUrl)
+function updateSha256VODSegments (video: MVideo, playlistArg: MStreamingPlaylist): Promise<MStreamingPlaylistFilesVideo> {
+ return playlistFilesQueue.add(async () => {
+ const json: { [filename: string]: { [range: string]: string } } = {}
- const params = {
- playlistURL: playlistUrl,
- destination: CONFIG.STORAGE.TMP_DIR
- }
- const downloader = new HLSDownloader(params)
+ const playlist = await VideoStreamingPlaylistModel.loadWithVideoAndFiles(playlistArg.id)
- const hlsDestinationDir = join(CONFIG.STORAGE.TMP_DIR, dirname(parse(playlistUrl).pathname))
+ // For all the resolutions available for this video
+ for (const file of playlist.VideoFiles) {
+ const rangeHashes: { [range: string]: string } = {}
+ const fileWithPlaylist = file.withVideoOrPlaylist(playlist)
- return new Promise<string>(async (res, rej) => {
- downloader.startDownload(err => {
- clearTimeout(timer)
+ await VideoPathManager.Instance.makeAvailableVideoFile(fileWithPlaylist, videoPath => {
- if (err) {
- deleteTmpDirectory(hlsDestinationDir)
+ return VideoPathManager.Instance.makeAvailableResolutionPlaylistFile(fileWithPlaylist, async resolutionPlaylistPath => {
+ const playlistContent = await readFile(resolutionPlaylistPath)
+ const ranges = getRangesFromPlaylist(playlistContent.toString())
- return rej(err)
- }
+ const fd = await open(videoPath, 'r')
+ for (const range of ranges) {
+ const buf = Buffer.alloc(range.length)
+ await read(fd, buf, 0, range.length, range.offset)
- move(hlsDestinationDir, destinationDir, { overwrite: true })
- .then(() => res())
- .catch(err => {
- deleteTmpDirectory(hlsDestinationDir)
+ rangeHashes[`${range.offset}-${range.offset + range.length - 1}`] = sha256(buf)
+ }
+ await close(fd)
- return rej(err)
+ const videoFilename = file.filename
+ json[videoFilename] = rangeHashes
})
- })
+ })
+ }
+
+ if (playlist.segmentsSha256Filename) {
+ await video.removeStreamingPlaylistFile(playlist, playlist.segmentsSha256Filename)
+ }
+ playlist.segmentsSha256Filename = generateHlsSha256SegmentsFilename(video.isLive)
+
+ const outputPath = VideoPathManager.Instance.getFSHLSOutputPath(video, playlist.segmentsSha256Filename)
+ await outputJSON(outputPath, json)
+
+ if (playlist.storage === VideoStorage.OBJECT_STORAGE) {
+ playlist.segmentsSha256Url = await storeHLSFileFromFilename(playlist, playlist.segmentsSha256Filename)
+ await remove(outputPath)
+ }
+
+ return playlist.save()
+ })
+}
+
+// ---------------------------------------------------------------------------
+
+async function buildSha256Segment (segmentPath: string) {
+ const buf = await readFile(segmentPath)
+ return sha256(buf)
+}
+
+function downloadPlaylistSegments (playlistUrl: string, destinationDir: string, timeout: number, bodyKBLimit: number) {
+ let timer
+ let remainingBodyKBLimit = bodyKBLimit
+
+ logger.info('Importing HLS playlist %s', playlistUrl)
+
+ return new Promise<void>(async (res, rej) => {
+ const tmpDirectory = join(CONFIG.STORAGE.TMP_DIR, await generateRandomString(10))
+
+ await ensureDir(tmpDirectory)
timer = setTimeout(() => {
- deleteTmpDirectory(hlsDestinationDir)
+ deleteTmpDirectory(tmpDirectory)
return rej(new Error('HLS download timeout.'))
}, timeout)
- function deleteTmpDirectory (directory: string) {
- remove(directory)
- .catch(err => logger.error('Cannot delete path on HLS download error.', { err }))
+ try {
+ // Fetch master playlist
+ const subPlaylistUrls = await fetchUniqUrls(playlistUrl)
+
+ const subRequests = subPlaylistUrls.map(u => fetchUniqUrls(u))
+ const fileUrls = uniqify(flatten(await Promise.all(subRequests)))
+
+ logger.debug('Will download %d HLS files.', fileUrls.length, { fileUrls })
+
+ for (const fileUrl of fileUrls) {
+ const destPath = join(tmpDirectory, basename(fileUrl))
+
+ await doRequestAndSaveToFile(fileUrl, destPath, { bodyKBLimit: remainingBodyKBLimit, timeout: REQUEST_TIMEOUTS.REDUNDANCY })
+
+ const { size } = await stat(destPath)
+ remainingBodyKBLimit -= (size / 1000)
+
+ logger.debug('Downloaded HLS playlist file %s with %d kB remained limit.', fileUrl, Math.floor(remainingBodyKBLimit))
+ }
+
+ clearTimeout(timer)
+
+ await move(tmpDirectory, destinationDir, { overwrite: true })
+
+ return res()
+ } catch (err) {
+ deleteTmpDirectory(tmpDirectory)
+
+ return rej(err)
}
})
+
+ function deleteTmpDirectory (directory: string) {
+ remove(directory)
+ .catch(err => logger.error('Cannot delete path on HLS download error.', { err }))
+ }
+
+ async function fetchUniqUrls (playlistUrl: string) {
+ const { body } = await doRequest(playlistUrl)
+
+ if (!body) return []
+
+ const urls = body.split('\n')
+ .filter(line => line.endsWith('.m3u8') || line.endsWith('.mp4'))
+ .map(url => {
+ if (url.startsWith('http://') || url.startsWith('https://')) return url
+
+ return `${dirname(playlistUrl)}/${url}`
+ })
+
+ return uniqify(urls)
+ }
+}
+
+// ---------------------------------------------------------------------------
+
+async function renameVideoFileInPlaylist (playlistPath: string, newVideoFilename: string) {
+ const content = await readFile(playlistPath, 'utf8')
+
+ const newContent = content.replace(new RegExp(`${uuidRegex}-\\d+-fragmented.mp4`, 'g'), newVideoFilename)
+
+ await writeFile(playlistPath, newContent, 'utf8')
+}
+
+// ---------------------------------------------------------------------------
+
+function injectQueryToPlaylistUrls (content: string, queryString: string) {
+ return content.replace(/\.(m3u8|ts|mp4)/gm, '.$1?' + queryString)
}
// ---------------------------------------------------------------------------
export {
updateMasterHLSPlaylist,
- updateSha256Segments,
- downloadPlaylistSegments
+ updateSha256VODSegments,
+ buildSha256Segment,
+ downloadPlaylistSegments,
+ updateStreamingPlaylistsInfohashesIfNeeded,
+ updatePlaylistAfterFileChange,
+ injectQueryToPlaylistUrls,
+ renameVideoFileInPlaylist
}
// ---------------------------------------------------------------------------
+
+function getRangesFromPlaylist (playlistContent: string) {
+ const ranges: { offset: number, length: number }[] = []
+ const lines = playlistContent.split('\n')
+ const regex = /^#EXT-X-BYTERANGE:(\d+)@(\d+)$/
+
+ for (const line of lines) {
+ const captured = regex.exec(line)
+
+ if (captured) {
+ ranges.push({ length: parseInt(captured[1], 10), offset: parseInt(captured[2], 10) })
+ }
+ }
+
+ return ranges
+}
projects / github / Chocobozzz / PeerTube.git / blobdiff