X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Flib%2Fhls.ts;h=43043315be6ed42dc752d029ca87ebb30ba67de2;hb=57e4e1c1a95c3a81a967f54ecc2a510d8b0e129c;hp=74ed25183bd0e5fb3e28863cc1b8229741dabac2;hpb=9c6ca37fc1512a99d420ea90707cebcd06cdc970;p=github%2FChocobozzz%2FPeerTube.git diff --git a/server/lib/hls.ts b/server/lib/hls.ts index 74ed25183..43043315b 100644 --- a/server/lib/hls.ts +++ b/server/lib/hls.ts @@ -1,99 +1,124 @@ -import { VideoModel } from '../models/video/video' -import { basename, join, dirname } from 'path' -import { CONFIG, HLS_STREAMING_PLAYLIST_DIRECTORY } from '../initializers' -import { close, ensureDir, move, open, outputJSON, pathExists, read, readFile, remove, writeFile } from 'fs-extra' -import { getVideoFileSize } from '../helpers/ffmpeg-utils' -import { sha256 } from '../helpers/core-utils' -import { VideoStreamingPlaylistModel } from '../models/video/video-streaming-playlist' +import { close, ensureDir, move, open, outputJSON, read, readFile, remove, stat, writeFile } from 'fs-extra' +import { flatten, uniq } from 'lodash' +import { basename, dirname, join } from 'path' +import { MStreamingPlaylistFilesVideo, MVideo, MVideoUUID } from '@server/types/models' +import { sha256 } from '@shared/extra-utils' +import { VideoStorage } from '@shared/models' +import { getAudioStreamCodec, getVideoStreamCodec, getVideoStreamDimensionsInfo } from '../helpers/ffmpeg' import { logger } from '../helpers/logger' import { doRequest, doRequestAndSaveToFile } from '../helpers/requests' import { generateRandomString } from '../helpers/utils' -import { flatten, uniq } from 'lodash' +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 { storeHLSFile } from './object-storage' +import { getHlsResolutionPlaylistFilename } from './paths' +import { VideoPathManager } from './video-path-manager' + +async function updateStreamingPlaylistsInfohashesIfNeeded () { + const playlistsToUpdate = await VideoStreamingPlaylistModel.listByIncorrectPeerVersion() + + // 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) + + playlist.assignP2PMediaLoaderInfoHashes(playlist.Video, videoFiles) + playlist.p2pMediaLoaderPeerVersion = P2P_MEDIA_LOADER_PEER_VERSION -async function updateMasterHLSPlaylist (video: VideoModel) { - const directory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid) + await playlist.save({ transaction: t }) + }) + } +} + +async function updateMasterHLSPlaylist (video: MVideo, playlist: MStreamingPlaylistFilesVideo) { const masterPlaylists: string[] = [ '#EXTM3U', '#EXT-X-VERSION:3' ] - const masterPlaylistPath = join(directory, VideoStreamingPlaylistModel.getMasterHlsPlaylistFilename()) - 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 + for (const file of playlist.VideoFiles) { + const playlistFilename = getHlsResolutionPlaylistFilename(file.filename) - const videoFilePath = video.getVideoFilePath(file) + await VideoPathManager.Instance.makeAvailableVideoFile(file.withVideoOrPlaylist(playlist), async videoFilePath => { + const size = await getVideoStreamDimensionsInfo(videoFilePath) - const size = await getVideoFileSize(videoFilePath) + const bandwidth = 'BANDWIDTH=' + video.getBandwidthBits(file) + const resolution = `RESOLUTION=${size?.width || 0}x${size?.height || 0}` - const bandwidth = 'BANDWIDTH=' + video.getBandwidthBits(file) - const resolution = `RESOLUTION=${size.width}x${size.height}` + let line = `#EXT-X-STREAM-INF:${bandwidth},${resolution}` + if (file.fps) line += ',FRAME-RATE=' + file.fps - 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) + ]) - masterPlaylists.push(line) - masterPlaylists.push(VideoStreamingPlaylistModel.getHlsPlaylistFilename(file.resolution)) + line += `,CODECS="${codecs.filter(c => !!c).join(',')}"` + + masterPlaylists.push(line) + masterPlaylists.push(playlistFilename) + }) } - await writeFile(masterPlaylistPath, masterPlaylists.join('\n') + '\n') + await VideoPathManager.Instance.makeAvailablePlaylistFile(playlist, playlist.playlistFilename, async masterPlaylistPath => { + await writeFile(masterPlaylistPath, masterPlaylists.join('\n') + '\n') + + if (playlist.storage === VideoStorage.OBJECT_STORAGE) { + await storeHLSFile(playlist, playlist.playlistFilename, masterPlaylistPath) + } + }) } -async function updateSha256Segments (video: VideoModel) { +async function updateSha256VODSegments (video: MVideoUUID, playlist: MStreamingPlaylistFilesVideo) { const json: { [filename: string]: { [range: string]: string } } = {} - const playlistDirectory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid) - // For all the resolutions available for this video - for (const file of video.VideoFiles) { + for (const file of playlist.VideoFiles) { const rangeHashes: { [range: string]: string } = {} + const fileWithPlaylist = file.withVideoOrPlaylist(playlist) - const videoPath = join(playlistDirectory, VideoStreamingPlaylistModel.getHlsVideoName(video.uuid, file.resolution)) - const playlistPath = join(playlistDirectory, VideoStreamingPlaylistModel.getHlsPlaylistFilename(file.resolution)) - - // Maybe the playlist is not generated for this resolution yet - if (!await pathExists(playlistPath)) continue + await VideoPathManager.Instance.makeAvailableVideoFile(fileWithPlaylist, videoPath => { - const playlistContent = await readFile(playlistPath) - const ranges = getRangesFromPlaylist(playlistContent.toString()) + return VideoPathManager.Instance.makeAvailableResolutionPlaylistFile(fileWithPlaylist, async resolutionPlaylistPath => { + const playlistContent = await readFile(resolutionPlaylistPath) + const ranges = getRangesFromPlaylist(playlistContent.toString()) - 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) + 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) - rangeHashes[`${range.offset}-${range.offset + range.length - 1}`] = sha256(buf) - } - await close(fd) + rangeHashes[`${range.offset}-${range.offset + range.length - 1}`] = sha256(buf) + } + await close(fd) - const videoFilename = VideoStreamingPlaylistModel.getHlsVideoName(video.uuid, file.resolution) - json[videoFilename] = rangeHashes + const videoFilename = file.filename + json[videoFilename] = rangeHashes + }) + }) } - const outputPath = join(playlistDirectory, VideoStreamingPlaylistModel.getHlsSha256SegmentsFilename()) + const outputPath = VideoPathManager.Instance.getFSHLSOutputPath(video, playlist.segmentsSha256Filename) await outputJSON(outputPath, json) -} - -function getRangesFromPlaylist (playlistContent: string) { - const ranges: { offset: number, length: number }[] = [] - const lines = playlistContent.split('\n') - const regex = /^#EXT-X-BYTERANGE:(\d+)@(\d+)$/ - - for (const line of lines) { - const captured = regex.exec(line) - if (captured) { - ranges.push({ length: parseInt(captured[1], 10), offset: parseInt(captured[2], 10) }) - } + if (playlist.storage === VideoStorage.OBJECT_STORAGE) { + await storeHLSFile(playlist, playlist.segmentsSha256Filename) + await remove(outputPath) } +} - return ranges +async function buildSha256Segment (segmentPath: string) { + const buf = await readFile(segmentPath) + return sha256(buf) } -function downloadPlaylistSegments (playlistUrl: string, destinationDir: string, timeout: number) { +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(async (res, rej) => { + return new Promise(async (res, rej) => { const tmpDirectory = join(CONFIG.STORAGE.TMP_DIR, await generateRandomString(10)) await ensureDir(tmpDirectory) @@ -116,8 +141,12 @@ function downloadPlaylistSegments (playlistUrl: string, destinationDir: string, for (const fileUrl of fileUrls) { const destPath = join(tmpDirectory, basename(fileUrl)) - const bodyKBLimit = 10 * 1000 * 1000 // 10GB - await doRequestAndSaveToFile({ uri: fileUrl }, destPath, bodyKBLimit) + 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) @@ -138,7 +167,7 @@ function downloadPlaylistSegments (playlistUrl: string, destinationDir: string, } async function fetchUniqUrls (playlistUrl: string) { - const { body } = await doRequest({ uri: playlistUrl }) + const { body } = await doRequest(playlistUrl) if (!body) return [] @@ -158,8 +187,26 @@ function downloadPlaylistSegments (playlistUrl: string, destinationDir: string, export { updateMasterHLSPlaylist, - updateSha256Segments, - downloadPlaylistSegments + updateSha256VODSegments, + buildSha256Segment, + downloadPlaylistSegments, + updateStreamingPlaylistsInfohashesIfNeeded } // --------------------------------------------------------------------------- + +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 +}