X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Fmodels%2Fvideo%2Fvideo.ts;h=468117504e5ea328fd2744ff5e64c9b93ef84b3a;hb=38a3ccc7f8ad0ea94362b58c732af7c387ab46be;hp=26be34329e4969d02c91c379008a4d2903a518b5;hpb=2760b454a761f6af3138b2fb5f34340772ab0d1e;p=github%2FChocobozzz%2FPeerTube.git diff --git a/server/models/video/video.ts b/server/models/video/video.ts index 26be34329..468117504 100644 --- a/server/models/video/video.ts +++ b/server/models/video/video.ts @@ -24,23 +24,32 @@ import { Table, UpdatedAt } from 'sequelize-typescript' -import { buildNSFWFilter } from '@server/helpers/express-utils' -import { uuidToShort } from '@server/helpers/uuid' import { getPrivaciesForFederation, isPrivacyForFederation, isStateForFederation } from '@server/helpers/video' import { LiveManager } from '@server/lib/live/live-manager' -import { removeHLSObjectStorage, removeWebTorrentObjectStorage } from '@server/lib/object-storage' -import { getHLSDirectory, getHLSRedundancyDirectory } from '@server/lib/paths' +import { removeHLSFileObjectStorage, removeHLSObjectStorage, removeWebTorrentObjectStorage } from '@server/lib/object-storage' +import { tracer } from '@server/lib/opentelemetry/tracing' +import { getHLSDirectory, getHLSRedundancyDirectory, getHlsResolutionPlaylistFilename } from '@server/lib/paths' import { VideoPathManager } from '@server/lib/video-path-manager' import { getServerActor } from '@server/models/application/application' import { ModelCache } from '@server/models/model-cache' -import { AttributesOnly, buildVideoEmbedPath, buildVideoWatchPath, pick } from '@shared/core-utils' -import { VideoInclude } from '@shared/models' -import { VideoFile } from '@shared/models/videos/video-file.model' -import { ResultList, UserRight, VideoPrivacy, VideoState } from '../../../shared' -import { VideoObject } from '../../../shared/models/activitypub/objects' -import { Video, VideoDetails, VideoRateType, VideoStorage } from '../../../shared/models/videos' -import { ThumbnailType } from '../../../shared/models/videos/thumbnail.type' -import { VideoStreamingPlaylistType } from '../../../shared/models/videos/video-streaming-playlist.type' +import { buildVideoEmbedPath, buildVideoWatchPath, pick } from '@shared/core-utils' +import { ffprobePromise, getAudioStream, uuidToShort } from '@shared/extra-utils' +import { + ResultList, + ThumbnailType, + UserRight, + Video, + VideoDetails, + VideoFile, + VideoInclude, + VideoObject, + VideoPrivacy, + VideoRateType, + VideoState, + VideoStorage, + VideoStreamingPlaylistType +} from '@shared/models' +import { AttributesOnly } from '@shared/typescript-utils' import { peertubeTruncate } from '../../helpers/core-utils' import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc' import { exists, isBooleanValid } from '../../helpers/custom-validators/misc' @@ -52,7 +61,7 @@ import { isVideoStateValid, isVideoSupportValid } from '../../helpers/custom-validators/videos' -import { getVideoFileResolution } from '../../helpers/ffprobe-utils' +import { getVideoStreamDimensionsInfo } from '../../helpers/ffmpeg' import { logger } from '../../helpers/logger' import { CONFIG } from '../../initializers/config' import { ACTIVITY_PUB, API_VERSION, CONSTRAINTS_FIELDS, LAZY_STATIC_PATHS, STATIC_PATHS, WEBSERVER } from '../../initializers/constants' @@ -97,6 +106,7 @@ import { setAsUpdated } from '../shared' import { UserModel } from '../user/user' import { UserVideoHistoryModel } from '../user/user-video-history' import { buildTrigramSearchIndex, buildWhereIdOrUUID, getVideoSort, isOutdated, throwIfNotValid } from '../utils' +import { VideoViewModel } from '../view/video-view' import { videoFilesModelToFormattedJSON, VideoFormattingJSONOptions, @@ -105,9 +115,13 @@ import { videoModelToFormattedJSON } from './formatter/video-format-utils' import { ScheduleVideoUpdateModel } from './schedule-video-update' -import { VideosModelGetQueryBuilder } from './sql/video-model-get-query-builder' -import { BuildVideosListQueryOptions, DisplayOnlyForFollowerOptions, VideosIdListQueryBuilder } from './sql/videos-id-list-query-builder' -import { VideosModelListQueryBuilder } from './sql/videos-model-list-query-builder' +import { + BuildVideosListQueryOptions, + DisplayOnlyForFollowerOptions, + VideoModelGetQueryBuilder, + VideosIdListQueryBuilder, + VideosModelListQueryBuilder +} from './sql/video' import { TagModel } from './tag' import { ThumbnailModel } from './thumbnail' import { VideoBlacklistModel } from './video-blacklist' @@ -120,9 +134,9 @@ import { VideoJobInfoModel } from './video-job-info' import { VideoLiveModel } from './video-live' import { VideoPlaylistElementModel } from './video-playlist-element' import { VideoShareModel } from './video-share' +import { VideoSourceModel } from './video-source' import { VideoStreamingPlaylistModel } from './video-streaming-playlist' import { VideoTagModel } from './video-tag' -import { VideoViewModel } from './video-view' export enum ScopeNames { FOR_API = 'FOR_API', @@ -220,8 +234,8 @@ export type ForAPIOptions = { required: false }, { - model: ActorImageModel.unscoped(), - as: 'Avatar', + model: ActorImageModel, + as: 'Avatars', required: false } ] @@ -243,8 +257,8 @@ export type ForAPIOptions = { required: false }, { - model: ActorImageModel.unscoped(), - as: 'Avatar', + model: ActorImageModel, + as: 'Avatars', required: false } ] @@ -584,6 +598,15 @@ export class VideoModel extends Model>> { }) VideoPlaylistElements: VideoPlaylistElementModel[] + @HasOne(() => VideoSourceModel, { + foreignKey: { + name: 'videoId', + allowNull: true + }, + onDelete: 'CASCADE' + }) + VideoSource: VideoSourceModel + @HasMany(() => VideoAbuseModel, { foreignKey: { name: 'videoId', @@ -746,7 +769,7 @@ export class VideoModel extends Model>> { // Remove physical files and torrents instance.VideoFiles.forEach(file => { - tasks.push(instance.removeFileAndTorrent(file)) + tasks.push(instance.removeWebTorrentFile(file)) }) // Remove playlists file @@ -774,7 +797,7 @@ export class VideoModel extends Model>> { logger.info('Stopping live of video %s after video deletion.', instance.uuid) - LiveManager.Instance.stopSessionOf(instance.id) + LiveManager.Instance.stopSessionOf(instance.id, null) } @BeforeDestroy @@ -805,14 +828,17 @@ export class VideoModel extends Model>> { await Promise.all(tasks) } - static listLocal (): Promise { + static listLocalIds (): Promise { const query = { + attributes: [ 'id' ], + raw: true, where: { remote: false } } return VideoModel.findAll(query) + .then(rows => rows.map(r => r.id)) } static listAllAndSharedByActorForOutbox (actorId: number, start: number, count: number) { @@ -924,7 +950,7 @@ export class VideoModel extends Model>> { const total = totalVideos + totalVideoShares return { data: rows, - total: total + total } }) } @@ -956,7 +982,7 @@ export class VideoModel extends Model>> { }) { const { accountId, channelId, start, count, sort, search, isLive } = options - function buildBaseQuery (): FindOptions { + function buildBaseQuery (forCount: boolean): FindOptions { const where: WhereOptions = {} if (search) { @@ -980,12 +1006,16 @@ export class VideoModel extends Model>> { order: getVideoSort(sort), include: [ { - model: VideoChannelModel, + model: forCount + ? VideoChannelModel.unscoped() + : VideoChannelModel, required: true, where: channelWhere, include: [ { - model: AccountModel, + model: forCount + ? AccountModel.unscoped() + : AccountModel, where: { id: accountId }, @@ -999,8 +1029,8 @@ export class VideoModel extends Model>> { return baseQuery } - const countQuery = buildBaseQuery() - const findQuery = buildBaseQuery() + const countQuery = buildBaseQuery(true) + const findQuery = buildBaseQuery(false) const findScopes: (string | ScopeOptions)[] = [ ScopeNames.WITH_SCHEDULED_UPDATE, @@ -1029,13 +1059,16 @@ export class VideoModel extends Model>> { isLocal?: boolean include?: VideoInclude - withFiles: boolean + hasFiles?: boolean // default false + hasWebtorrentFiles?: boolean + hasHLSFiles?: boolean categoryOneOf?: number[] licenceOneOf?: number[] languageOneOf?: string[] tagsOneOf?: string[] tagsAllOf?: string[] + privacyOneOf?: VideoPrivacy[] accountId?: number videoChannelId?: number @@ -1053,9 +1086,8 @@ export class VideoModel extends Model>> { search?: string }) { - if (options.include && !options.user.hasRight(UserRight.SEE_ALL_VIDEOS)) { - throw new Error('Try to filter all-local but no user has not the see all videos right') - } + VideoModel.throwIfPrivateIncludeWithoutUser(options.include, options.user) + VideoModel.throwIfPrivacyOneOfWithoutUser(options.privacyOneOf, options.user) const trendingDays = options.sort.endsWith('trending') ? CONFIG.TRENDING.VIDEOS.INTERVAL_DAYS @@ -1079,15 +1111,18 @@ export class VideoModel extends Model>> { 'languageOneOf', 'tagsOneOf', 'tagsAllOf', + 'privacyOneOf', 'isLocal', 'include', 'displayOnlyForFollower', - 'withFiles', + 'hasFiles', 'accountId', 'videoChannelId', 'videoPlaylistId', 'user', 'historyOfUser', + 'hasHLSFiles', + 'hasWebtorrentFiles', 'search' ]), @@ -1103,27 +1138,41 @@ export class VideoModel extends Model>> { start: number count: number sort: string - search?: string - host?: string - startDate?: string // ISO 8601 - endDate?: string // ISO 8601 - originallyPublishedStartDate?: string - originallyPublishedEndDate?: string + nsfw?: boolean isLive?: boolean isLocal?: boolean include?: VideoInclude + categoryOneOf?: number[] licenceOneOf?: number[] languageOneOf?: string[] tagsOneOf?: string[] tagsAllOf?: string[] + privacyOneOf?: VideoPrivacy[] + + displayOnlyForFollower: DisplayOnlyForFollowerOptions | null + + user?: MUserAccountId + + hasWebtorrentFiles?: boolean + hasHLSFiles?: boolean + + search?: string + + host?: string + startDate?: string // ISO 8601 + endDate?: string // ISO 8601 + originallyPublishedStartDate?: string + originallyPublishedEndDate?: string + durationMin?: number // seconds durationMax?: number // seconds - user?: MUserAccountId uuids?: string[] - displayOnlyForFollower: DisplayOnlyForFollowerOptions | null }) { + VideoModel.throwIfPrivateIncludeWithoutUser(options.include, options.user) + VideoModel.throwIfPrivacyOneOfWithoutUser(options.privacyOneOf, options.user) + const serverActor = await getServerActor() const queryOptions = { @@ -1136,6 +1185,7 @@ export class VideoModel extends Model>> { 'languageOneOf', 'tagsOneOf', 'tagsAllOf', + 'privacyOneOf', 'user', 'isLocal', 'host', @@ -1148,6 +1198,8 @@ export class VideoModel extends Model>> { 'originallyPublishedEndDate', 'durationMin', 'durationMax', + 'hasHLSFiles', + 'hasWebtorrentFiles', 'uuids', 'search', 'displayOnlyForFollower' @@ -1158,18 +1210,21 @@ export class VideoModel extends Model>> { return VideoModel.getAvailableForApi(queryOptions) } - static countLocalLives () { - const options = { + static countLives (options: { + remote: boolean + mode: 'published' | 'not-ended' + }) { + const query = { where: { - remote: false, + remote: options.remote, isLive: true, - state: { - [Op.ne]: VideoState.LIVE_ENDED - } + state: options.mode === 'not-ended' + ? { [Op.ne]: VideoState.LIVE_ENDED } + : { [Op.eq]: VideoState.PUBLISHED } } } - return VideoModel.count(options) + return VideoModel.count(query) } static countVideosUploadedByUserSince (userId: number, since: Date) { @@ -1229,13 +1284,13 @@ export class VideoModel extends Model>> { } static load (id: number | string, transaction?: Transaction): Promise { - const queryBuilder = new VideosModelGetQueryBuilder(VideoModel.sequelize) + const queryBuilder = new VideoModelGetQueryBuilder(VideoModel.sequelize) return queryBuilder.queryVideo({ id, transaction, type: 'thumbnails' }) } static loadWithBlacklist (id: number | string, transaction?: Transaction): Promise { - const queryBuilder = new VideosModelGetQueryBuilder(VideoModel.sequelize) + const queryBuilder = new VideoModelGetQueryBuilder(VideoModel.sequelize) return queryBuilder.queryVideo({ id, transaction, type: 'thumbnails-blacklist' }) } @@ -1279,33 +1334,33 @@ export class VideoModel extends Model>> { } static loadOnlyId (id: number | string, transaction?: Transaction): Promise { - const queryBuilder = new VideosModelGetQueryBuilder(VideoModel.sequelize) + const queryBuilder = new VideoModelGetQueryBuilder(VideoModel.sequelize) return queryBuilder.queryVideo({ id, transaction, type: 'id' }) } static loadWithFiles (id: number | string, transaction?: Transaction, logging?: boolean): Promise { - const queryBuilder = new VideosModelGetQueryBuilder(VideoModel.sequelize) + const queryBuilder = new VideoModelGetQueryBuilder(VideoModel.sequelize) return queryBuilder.queryVideo({ id, transaction, type: 'all-files', logging }) } static loadByUrl (url: string, transaction?: Transaction): Promise { - const queryBuilder = new VideosModelGetQueryBuilder(VideoModel.sequelize) + const queryBuilder = new VideoModelGetQueryBuilder(VideoModel.sequelize) return queryBuilder.queryVideo({ url, transaction, type: 'thumbnails' }) } static loadByUrlAndPopulateAccount (url: string, transaction?: Transaction): Promise { - const queryBuilder = new VideosModelGetQueryBuilder(VideoModel.sequelize) + const queryBuilder = new VideoModelGetQueryBuilder(VideoModel.sequelize) return queryBuilder.queryVideo({ url, transaction, type: 'account-blacklist-files' }) } - static loadAndPopulateAccountAndServerAndTags (id: number | string, t?: Transaction, userId?: number): Promise { - const queryBuilder = new VideosModelGetQueryBuilder(VideoModel.sequelize) + static loadFull (id: number | string, t?: Transaction, userId?: number): Promise { + const queryBuilder = new VideoModelGetQueryBuilder(VideoModel.sequelize) - return queryBuilder.queryVideo({ id, transaction: t, type: 'full-light', userId }) + return queryBuilder.queryVideo({ id, transaction: t, type: 'full', userId }) } static loadForGetAPI (parameters: { @@ -1314,17 +1369,13 @@ export class VideoModel extends Model>> { userId?: number }): Promise { const { id, transaction, userId } = parameters - const queryBuilder = new VideosModelGetQueryBuilder(VideoModel.sequelize) + const queryBuilder = new VideoModelGetQueryBuilder(VideoModel.sequelize) return queryBuilder.queryVideo({ id, transaction, type: 'api', userId }) } static async getStats () { - const totalLocalVideos = await VideoModel.count({ - where: { - remote: false - } - }) + const serverActor = await getServerActor() let totalLocalVideoViews = await VideoModel.sum('views', { where: { @@ -1335,20 +1386,25 @@ export class VideoModel extends Model>> { // Sequelize could return null... if (!totalLocalVideoViews) totalLocalVideoViews = 0 - const serverActor = await getServerActor() - - const { total: totalVideos } = await VideoModel.listForApi({ + const baseOptions = { start: 0, count: 0, sort: '-publishedAt', - nsfw: buildNSFWFilter(), + nsfw: null, displayOnlyForFollower: { actorId: serverActor.id, orLocalVideos: true - }, - withFiles: false + } + } + + const { total: totalLocalVideos } = await VideoModel.listForApi({ + ...baseOptions, + + isLocal: true }) + const { total: totalVideos } = await VideoModel.listForApi(baseOptions) + return { totalLocalVideos, totalLocalVideoViews, @@ -1365,7 +1421,21 @@ export class VideoModel extends Model>> { }) } - static updateRatesOf (videoId: number, type: VideoRateType, t: Transaction) { + static updateRatesOf (videoId: number, type: VideoRateType, count: number, t: Transaction) { + const field = type === 'like' + ? 'likes' + : 'dislikes' + + const rawQuery = `UPDATE "video" SET "${field}" = :count WHERE "video"."id" = :videoId` + + return AccountVideoRateModel.sequelize.query(rawQuery, { + transaction: t, + replacements: { videoId, rateType: type, count }, + type: QueryTypes.UPDATE + }) + } + + static syncLocalRates (videoId: number, type: VideoRateType, t: Transaction) { const field = type === 'like' ? 'likes' : 'dislikes' @@ -1455,7 +1525,8 @@ export class VideoModel extends Model>> { required: false, where: { startDate: { - [Op.gte]: new Date(new Date().getTime() - (24 * 3600 * 1000) * trendingDays) + // FIXME: ts error + [Op.gte as any]: new Date(new Date().getTime() - (24 * 3600 * 1000) * trendingDays) } } } @@ -1465,6 +1536,8 @@ export class VideoModel extends Model>> { options: BuildVideosListQueryOptions, countVideos = true ): Promise> { + const span = tracer.startSpan('peertube.VideoModel.getAvailableForApi') + function getCount () { if (countVideos !== true) return Promise.resolve(undefined) @@ -1484,12 +1557,32 @@ export class VideoModel extends Model>> { const [ count, rows ] = await Promise.all([ getCount(), getModels() ]) + span.end() + return { data: rows, total: count } } + private static throwIfPrivateIncludeWithoutUser (include: VideoInclude, user: MUserAccountId) { + if (VideoModel.isPrivateInclude(include) && !user?.hasRight(UserRight.SEE_ALL_VIDEOS)) { + throw new Error('Try to filter all-local but user cannot see all videos') + } + } + + private static throwIfPrivacyOneOfWithoutUser (privacyOneOf: VideoPrivacy[], user: MUserAccountId) { + if (privacyOneOf && !user?.hasRight(UserRight.SEE_ALL_VIDEOS)) { + throw new Error('Try to choose video privacies but user cannot see all videos') + } + } + + private static isPrivateInclude (include: VideoInclude) { + return include & VideoInclude.BLACKLISTED || + include & VideoInclude.BLOCKED_OWNER || + include & VideoInclude.NOT_PUBLISHED_STATE + } + isBlacklisted () { return !!this.VideoBlacklist } @@ -1499,22 +1592,21 @@ export class VideoModel extends Model>> { } getQualityFileBy (this: T, fun: (files: MVideoFile[], it: (file: MVideoFile) => number) => MVideoFile) { - // We first transcode to WebTorrent format, so try this array first - if (Array.isArray(this.VideoFiles) && this.VideoFiles.length !== 0) { - const file = fun(this.VideoFiles, file => file.resolution) + const files = this.getAllFiles() + const file = fun(files, file => file.resolution) + if (!file) return undefined + if (file.videoId) { return Object.assign(file, { Video: this }) } - // No webtorrent files, try with streaming playlist files - if (Array.isArray(this.VideoStreamingPlaylists) && this.VideoStreamingPlaylists.length !== 0) { + if (file.videoStreamingPlaylistId) { const streamingPlaylistWithVideo = Object.assign(this.VideoStreamingPlaylists[0], { Video: this }) - const file = fun(streamingPlaylistWithVideo.VideoFiles, file => file.resolution) return Object.assign(file, { VideoStreamingPlaylist: streamingPlaylistWithVideo }) } - return undefined + throw new Error('File is not associated to a video of a playlist') } getMaxQualityFile (this: T): MVideoFileVideo | MVideoFileStreamingPlaylistVideo { @@ -1545,9 +1637,7 @@ export class VideoModel extends Model>> { if (Array.isArray(this.Thumbnails) === false) this.Thumbnails = [] - // Already have this thumbnail, skip - if (this.Thumbnails.find(t => t.id === savedThumbnail.id)) return - + this.Thumbnails = this.Thumbnails.filter(t => t.id !== savedThumbnail.id) this.Thumbnails.push(savedThumbnail) } @@ -1629,12 +1719,38 @@ export class VideoModel extends Model>> { return peertubeTruncate(this.description, { length: maxLength }) } - getMaxQualityResolution () { + getAllFiles () { + let files: MVideoFile[] = [] + + if (Array.isArray(this.VideoFiles)) { + files = files.concat(this.VideoFiles) + } + + if (Array.isArray(this.VideoStreamingPlaylists)) { + for (const p of this.VideoStreamingPlaylists) { + if (Array.isArray(p.VideoFiles)) { + files = files.concat(p.VideoFiles) + } + } + } + + return files + } + + probeMaxQualityFile () { const file = this.getMaxQualityFile() const videoOrPlaylist = file.getVideoOrStreamingPlaylist() - return VideoPathManager.Instance.makeAvailableVideoFile(videoOrPlaylist, file, originalFilePath => { - return getVideoFileResolution(originalFilePath) + return VideoPathManager.Instance.makeAvailableVideoFile(file.withVideoOrPlaylist(videoOrPlaylist), async originalFilePath => { + const probe = await ffprobePromise(originalFilePath) + + const { audioStream } = await getAudioStream(originalFilePath, probe) + + return { + audioStream, + + ...await getVideoStreamDimensionsInfo(originalFilePath, probe) + } }) } @@ -1646,6 +1762,8 @@ export class VideoModel extends Model>> { if (!this.VideoStreamingPlaylists) return undefined const playlist = this.VideoStreamingPlaylists.find(p => p.type === VideoStreamingPlaylistType.HLS) + if (!playlist) return undefined + playlist.Video = this return playlist @@ -1664,7 +1782,7 @@ export class VideoModel extends Model>> { .concat(toAdd) } - removeFileAndTorrent (videoFile: MVideoFile, isRedundancy = false) { + removeWebTorrentFile (videoFile: MVideoFile, isRedundancy = false) { const filePath = isRedundancy ? VideoPathManager.Instance.getFSRedundancyVideoFilePath(this, videoFile) : VideoPathManager.Instance.getFSVideoFileOutputPath(this, videoFile) @@ -1700,11 +1818,34 @@ export class VideoModel extends Model>> { ) if (streamingPlaylist.storage === VideoStorage.OBJECT_STORAGE) { - await removeHLSObjectStorage(streamingPlaylist, this) + await removeHLSObjectStorage(streamingPlaylist.withVideo(this)) } } } + async removeStreamingPlaylistVideoFile (streamingPlaylist: MStreamingPlaylist, videoFile: MVideoFile) { + const filePath = VideoPathManager.Instance.getFSHLSOutputPath(this, videoFile.filename) + await videoFile.removeTorrent() + await remove(filePath) + + const resolutionFilename = getHlsResolutionPlaylistFilename(videoFile.filename) + await remove(VideoPathManager.Instance.getFSHLSOutputPath(this, resolutionFilename)) + + if (videoFile.storage === VideoStorage.OBJECT_STORAGE) { + await removeHLSFileObjectStorage(streamingPlaylist.withVideo(this), videoFile.filename) + await removeHLSFileObjectStorage(streamingPlaylist.withVideo(this), resolutionFilename) + } + } + + async removeStreamingPlaylistFile (streamingPlaylist: MStreamingPlaylist, filename: string) { + const filePath = VideoPathManager.Instance.getFSHLSOutputPath(this, filename) + await remove(filePath) + + if (streamingPlaylist.storage === VideoStorage.OBJECT_STORAGE) { + await removeHLSFileObjectStorage(streamingPlaylist.withVideo(this), filename) + } + } + isOutdated () { if (this.isOwned()) return false @@ -1723,8 +1864,8 @@ export class VideoModel extends Model>> { return this.hasPrivacyForFederation() === false && isPrivacyForFederation(newPrivacy) === true } - setAsRefreshed () { - return setAsUpdated('video', this.id) + setAsRefreshed (transaction?: Transaction) { + return setAsUpdated('video', this.id, transaction) } requiresAuth () { @@ -1757,7 +1898,9 @@ export class VideoModel extends Model>> { await this.save({ transaction }) } - getBandwidthBits (videoFile: MVideoFile) { + getBandwidthBits (this: MVideo, videoFile: MVideoFile) { + if (!this.duration) throw new Error(`Cannot get bandwidth bits because video ${this.url} has duration of 0`) + return Math.ceil((videoFile.size * 8) / this.duration) }