mirror of
https://github.com/Chocobozzz/PeerTube.git
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Move transcoding files in their own directory
This commit is contained in:
Chocobozzz
parent
1bcb03a100
commit
c07902b908
9 changed files with 22 additions and 22 deletions
256
server/lib/transcoding/video-transcoding-profiles.ts
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256
server/lib/transcoding/video-transcoding-profiles.ts
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import { logger } from '@server/helpers/logger'
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import { AvailableEncoders, EncoderOptionsBuilder, getTargetBitrate, VideoResolution } from '../../../shared/models/videos'
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import { buildStreamSuffix, resetSupportedEncoders } from '../../helpers/ffmpeg-utils'
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import {
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canDoQuickAudioTranscode,
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ffprobePromise,
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getAudioStream,
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getMaxAudioBitrate,
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getVideoFileBitrate,
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getVideoStreamFromFile
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} from '../../helpers/ffprobe-utils'
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import { VIDEO_TRANSCODING_FPS } from '../../initializers/constants'
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/**
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*
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* Available encoders and profiles for the transcoding jobs
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* These functions are used by ffmpeg-utils that will get the encoders and options depending on the chosen profile
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*
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*/
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// Resources:
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// * https://slhck.info/video/2017/03/01/rate-control.html
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// * https://trac.ffmpeg.org/wiki/Limiting%20the%20output%20bitrate
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const defaultX264VODOptionsBuilder: EncoderOptionsBuilder = async ({ input, resolution, fps }) => {
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const targetBitrate = await buildTargetBitrate({ input, resolution, fps })
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if (!targetBitrate) return { outputOptions: [ ] }
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return {
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outputOptions: [
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`-preset veryfast`,
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`-r ${fps}`,
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`-maxrate ${targetBitrate}`,
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`-bufsize ${targetBitrate * 2}`
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]
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}
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}
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const defaultX264LiveOptionsBuilder: EncoderOptionsBuilder = async ({ resolution, fps, streamNum }) => {
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const targetBitrate = getTargetBitrate(resolution, fps, VIDEO_TRANSCODING_FPS)
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return {
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outputOptions: [
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`-preset veryfast`,
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`${buildStreamSuffix('-r:v', streamNum)} ${fps}`,
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`${buildStreamSuffix('-b:v', streamNum)} ${targetBitrate}`,
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`-maxrate ${targetBitrate}`,
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`-bufsize ${targetBitrate * 2}`
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]
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}
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}
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const defaultAACOptionsBuilder: EncoderOptionsBuilder = async ({ input, streamNum }) => {
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const probe = await ffprobePromise(input)
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if (await canDoQuickAudioTranscode(input, probe)) {
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logger.debug('Copy audio stream %s by AAC encoder.', input)
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return { copy: true, outputOptions: [ ] }
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}
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const parsedAudio = await getAudioStream(input, probe)
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// We try to reduce the ceiling bitrate by making rough matches of bitrates
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// Of course this is far from perfect, but it might save some space in the end
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const audioCodecName = parsedAudio.audioStream['codec_name']
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const bitrate = getMaxAudioBitrate(audioCodecName, parsedAudio.bitrate)
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logger.debug('Calculating audio bitrate of %s by AAC encoder.', input, { bitrate: parsedAudio.bitrate, audioCodecName })
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if (bitrate !== undefined && bitrate !== -1) {
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return { outputOptions: [ buildStreamSuffix('-b:a', streamNum), bitrate + 'k' ] }
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}
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return { outputOptions: [ ] }
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}
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const defaultLibFDKAACVODOptionsBuilder: EncoderOptionsBuilder = ({ streamNum }) => {
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return { outputOptions: [ buildStreamSuffix('-q:a', streamNum), '5' ] }
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}
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// Used to get and update available encoders
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class VideoTranscodingProfilesManager {
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private static instance: VideoTranscodingProfilesManager
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// 1 === less priority
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private readonly encodersPriorities = {
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vod: this.buildDefaultEncodersPriorities(),
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live: this.buildDefaultEncodersPriorities()
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}
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private readonly availableEncoders = {
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vod: {
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libx264: {
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default: defaultX264VODOptionsBuilder
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},
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aac: {
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default: defaultAACOptionsBuilder
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},
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libfdk_aac: {
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default: defaultLibFDKAACVODOptionsBuilder
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}
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},
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live: {
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libx264: {
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default: defaultX264LiveOptionsBuilder
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},
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aac: {
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default: defaultAACOptionsBuilder
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}
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}
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}
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private availableProfiles = {
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vod: [] as string[],
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live: [] as string[]
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}
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private constructor () {
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this.buildAvailableProfiles()
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}
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getAvailableEncoders (): AvailableEncoders {
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return {
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available: this.availableEncoders,
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encodersToTry: {
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vod: {
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video: this.getEncodersByPriority('vod', 'video'),
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audio: this.getEncodersByPriority('vod', 'audio')
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},
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live: {
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video: this.getEncodersByPriority('live', 'video'),
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audio: this.getEncodersByPriority('live', 'audio')
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}
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}
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}
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}
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getAvailableProfiles (type: 'vod' | 'live') {
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return this.availableProfiles[type]
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}
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addProfile (options: {
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type: 'vod' | 'live'
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encoder: string
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profile: string
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builder: EncoderOptionsBuilder
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}) {
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const { type, encoder, profile, builder } = options
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const encoders = this.availableEncoders[type]
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if (!encoders[encoder]) encoders[encoder] = {}
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encoders[encoder][profile] = builder
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this.buildAvailableProfiles()
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}
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removeProfile (options: {
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type: 'vod' | 'live'
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encoder: string
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profile: string
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}) {
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const { type, encoder, profile } = options
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delete this.availableEncoders[type][encoder][profile]
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this.buildAvailableProfiles()
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}
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addEncoderPriority (type: 'vod' | 'live', streamType: 'audio' | 'video', encoder: string, priority: number) {
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this.encodersPriorities[type][streamType].push({ name: encoder, priority })
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resetSupportedEncoders()
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}
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removeEncoderPriority (type: 'vod' | 'live', streamType: 'audio' | 'video', encoder: string, priority: number) {
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this.encodersPriorities[type][streamType] = this.encodersPriorities[type][streamType]
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.filter(o => o.name !== encoder && o.priority !== priority)
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resetSupportedEncoders()
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}
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private getEncodersByPriority (type: 'vod' | 'live', streamType: 'audio' | 'video') {
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return this.encodersPriorities[type][streamType]
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.sort((e1, e2) => {
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if (e1.priority > e2.priority) return -1
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else if (e1.priority === e2.priority) return 0
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return 1
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})
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.map(e => e.name)
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}
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private buildAvailableProfiles () {
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for (const type of [ 'vod', 'live' ]) {
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const result = new Set()
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const encoders = this.availableEncoders[type]
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for (const encoderName of Object.keys(encoders)) {
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for (const profile of Object.keys(encoders[encoderName])) {
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result.add(profile)
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}
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}
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this.availableProfiles[type] = Array.from(result)
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}
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logger.debug('Available transcoding profiles built.', { availableProfiles: this.availableProfiles })
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}
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private buildDefaultEncodersPriorities () {
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return {
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video: [
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{ name: 'libx264', priority: 100 }
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],
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// Try the first one, if not available try the second one etc
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audio: [
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// we favor VBR, if a good AAC encoder is available
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{ name: 'libfdk_aac', priority: 200 },
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{ name: 'aac', priority: 100 }
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]
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}
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}
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static get Instance () {
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return this.instance || (this.instance = new this())
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}
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}
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// ---------------------------------------------------------------------------
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export {
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VideoTranscodingProfilesManager
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}
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// ---------------------------------------------------------------------------
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async function buildTargetBitrate (options: {
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input: string
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resolution: VideoResolution
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fps: number
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}) {
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const { input, resolution, fps } = options
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const probe = await ffprobePromise(input)
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const videoStream = await getVideoStreamFromFile(input, probe)
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if (!videoStream) return undefined
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const targetBitrate = getTargetBitrate(resolution, fps, VIDEO_TRANSCODING_FPS)
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// Don't transcode to an higher bitrate than the original file
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const fileBitrate = await getVideoFileBitrate(input, probe)
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return Math.min(targetBitrate, fileBitrate)
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}
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358
server/lib/transcoding/video-transcoding.ts
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358
server/lib/transcoding/video-transcoding.ts
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import { Job } from 'bull'
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import { copyFile, ensureDir, move, remove, stat } from 'fs-extra'
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import { basename, extname as extnameUtil, join } from 'path'
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import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent'
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import { MStreamingPlaylistFilesVideo, MVideoFile, MVideoFullLight } from '@server/types/models'
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import { VideoResolution } from '../../../shared/models/videos'
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import { VideoStreamingPlaylistType } from '../../../shared/models/videos/video-streaming-playlist.type'
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import { transcode, TranscodeOptions, TranscodeOptionsType } from '../../helpers/ffmpeg-utils'
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import { canDoQuickTranscode, getDurationFromVideoFile, getMetadataFromFile, getVideoFileFPS } from '../../helpers/ffprobe-utils'
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import { logger } from '../../helpers/logger'
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import { CONFIG } from '../../initializers/config'
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import { HLS_STREAMING_PLAYLIST_DIRECTORY, P2P_MEDIA_LOADER_PEER_VERSION, WEBSERVER } from '../../initializers/constants'
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import { VideoFileModel } from '../../models/video/video-file'
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import { VideoStreamingPlaylistModel } from '../../models/video/video-streaming-playlist'
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import { updateMasterHLSPlaylist, updateSha256VODSegments } from '../hls'
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import { generateVideoFilename, generateVideoStreamingPlaylistName, getVideoFilePath } from '../video-paths'
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import { VideoTranscodingProfilesManager } from './video-transcoding-profiles'
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/**
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*
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* Functions that run transcoding functions, update the database, cleanup files, create torrent files...
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* Mainly called by the job queue
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*
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*/
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// Optimize the original video file and replace it. The resolution is not changed.
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async function optimizeOriginalVideofile (video: MVideoFullLight, inputVideoFile: MVideoFile, job?: Job) {
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const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
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const newExtname = '.mp4'
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const videoInputPath = getVideoFilePath(video, inputVideoFile)
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const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname)
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const transcodeType: TranscodeOptionsType = await canDoQuickTranscode(videoInputPath)
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? 'quick-transcode'
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: 'video'
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const transcodeOptions: TranscodeOptions = {
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type: transcodeType,
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inputPath: videoInputPath,
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outputPath: videoTranscodedPath,
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availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
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profile: CONFIG.TRANSCODING.PROFILE,
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resolution: inputVideoFile.resolution,
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job
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}
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// Could be very long!
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await transcode(transcodeOptions)
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try {
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await remove(videoInputPath)
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// Important to do this before getVideoFilename() to take in account the new filename
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inputVideoFile.extname = newExtname
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inputVideoFile.filename = generateVideoFilename(video, false, inputVideoFile.resolution, newExtname)
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const videoOutputPath = getVideoFilePath(video, inputVideoFile)
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await onWebTorrentVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath)
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return transcodeType
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} catch (err) {
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// Auto destruction...
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video.destroy().catch(err => logger.error('Cannot destruct video after transcoding failure.', { err }))
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throw err
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}
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}
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// Transcode the original video file to a lower resolution.
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async function transcodeNewWebTorrentResolution (video: MVideoFullLight, resolution: VideoResolution, isPortrait: boolean, job: Job) {
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const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
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const extname = '.mp4'
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// We are sure it's x264 in mp4 because optimizeOriginalVideofile was already executed
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const videoInputPath = getVideoFilePath(video, video.getMaxQualityFile())
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const newVideoFile = new VideoFileModel({
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resolution,
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extname,
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filename: generateVideoFilename(video, false, resolution, extname),
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size: 0,
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videoId: video.id
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})
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const videoOutputPath = getVideoFilePath(video, newVideoFile)
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const videoTranscodedPath = join(transcodeDirectory, newVideoFile.filename)
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const transcodeOptions = resolution === VideoResolution.H_NOVIDEO
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? {
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type: 'only-audio' as 'only-audio',
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inputPath: videoInputPath,
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outputPath: videoTranscodedPath,
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availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
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profile: CONFIG.TRANSCODING.PROFILE,
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resolution,
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job
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}
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: {
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type: 'video' as 'video',
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inputPath: videoInputPath,
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outputPath: videoTranscodedPath,
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availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
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profile: CONFIG.TRANSCODING.PROFILE,
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resolution,
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isPortraitMode: isPortrait,
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job
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}
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await transcode(transcodeOptions)
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return onWebTorrentVideoFileTranscoding(video, newVideoFile, videoTranscodedPath, videoOutputPath)
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}
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// Merge an image with an audio file to create a video
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async function mergeAudioVideofile (video: MVideoFullLight, resolution: VideoResolution, job: Job) {
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const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
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const newExtname = '.mp4'
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const inputVideoFile = video.getMinQualityFile()
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const audioInputPath = getVideoFilePath(video, inputVideoFile)
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const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname)
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// If the user updates the video preview during transcoding
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const previewPath = video.getPreview().getPath()
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const tmpPreviewPath = join(CONFIG.STORAGE.TMP_DIR, basename(previewPath))
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await copyFile(previewPath, tmpPreviewPath)
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const transcodeOptions = {
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type: 'merge-audio' as 'merge-audio',
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inputPath: tmpPreviewPath,
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outputPath: videoTranscodedPath,
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availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
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profile: CONFIG.TRANSCODING.PROFILE,
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audioPath: audioInputPath,
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resolution,
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job
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}
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try {
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await transcode(transcodeOptions)
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await remove(audioInputPath)
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await remove(tmpPreviewPath)
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} catch (err) {
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await remove(tmpPreviewPath)
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throw err
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}
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// Important to do this before getVideoFilename() to take in account the new file extension
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inputVideoFile.extname = newExtname
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inputVideoFile.filename = generateVideoFilename(video, false, inputVideoFile.resolution, newExtname)
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const videoOutputPath = getVideoFilePath(video, inputVideoFile)
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// ffmpeg generated a new video file, so update the video duration
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// See https://trac.ffmpeg.org/ticket/5456
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video.duration = await getDurationFromVideoFile(videoTranscodedPath)
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await video.save()
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return onWebTorrentVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath)
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}
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// Concat TS segments from a live video to a fragmented mp4 HLS playlist
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async function generateHlsPlaylistResolutionFromTS (options: {
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video: MVideoFullLight
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concatenatedTsFilePath: string
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resolution: VideoResolution
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isPortraitMode: boolean
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isAAC: boolean
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}) {
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return generateHlsPlaylistCommon({
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video: options.video,
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resolution: options.resolution,
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isPortraitMode: options.isPortraitMode,
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inputPath: options.concatenatedTsFilePath,
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type: 'hls-from-ts' as 'hls-from-ts',
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isAAC: options.isAAC
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})
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}
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// Generate an HLS playlist from an input file, and update the master playlist
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function generateHlsPlaylistResolution (options: {
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video: MVideoFullLight
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videoInputPath: string
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resolution: VideoResolution
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copyCodecs: boolean
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isPortraitMode: boolean
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job?: Job
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}) {
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return generateHlsPlaylistCommon({
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video: options.video,
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resolution: options.resolution,
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copyCodecs: options.copyCodecs,
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isPortraitMode: options.isPortraitMode,
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inputPath: options.videoInputPath,
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type: 'hls' as 'hls',
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job: options.job
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})
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}
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// ---------------------------------------------------------------------------
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export {
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generateHlsPlaylistResolution,
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generateHlsPlaylistResolutionFromTS,
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optimizeOriginalVideofile,
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transcodeNewWebTorrentResolution,
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mergeAudioVideofile
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}
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// ---------------------------------------------------------------------------
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async function onWebTorrentVideoFileTranscoding (
|
||||
video: MVideoFullLight,
|
||||
videoFile: MVideoFile,
|
||||
transcodingPath: string,
|
||||
outputPath: string
|
||||
) {
|
||||
const stats = await stat(transcodingPath)
|
||||
const fps = await getVideoFileFPS(transcodingPath)
|
||||
const metadata = await getMetadataFromFile(transcodingPath)
|
||||
|
||||
await move(transcodingPath, outputPath, { overwrite: true })
|
||||
|
||||
videoFile.size = stats.size
|
||||
videoFile.fps = fps
|
||||
videoFile.metadata = metadata
|
||||
|
||||
await createTorrentAndSetInfoHash(video, videoFile)
|
||||
|
||||
await VideoFileModel.customUpsert(videoFile, 'video', undefined)
|
||||
video.VideoFiles = await video.$get('VideoFiles')
|
||||
|
||||
return video
|
||||
}
|
||||
|
||||
async function generateHlsPlaylistCommon (options: {
|
||||
type: 'hls' | 'hls-from-ts'
|
||||
video: MVideoFullLight
|
||||
inputPath: string
|
||||
resolution: VideoResolution
|
||||
copyCodecs?: boolean
|
||||
isAAC?: boolean
|
||||
isPortraitMode: boolean
|
||||
|
||||
job?: Job
|
||||
}) {
|
||||
const { type, video, inputPath, resolution, copyCodecs, isPortraitMode, isAAC, job } = options
|
||||
const transcodeDirectory = CONFIG.STORAGE.TMP_DIR
|
||||
|
||||
const videoTranscodedBasePath = join(transcodeDirectory, type)
|
||||
await ensureDir(videoTranscodedBasePath)
|
||||
|
||||
const videoFilename = generateVideoStreamingPlaylistName(video.uuid, resolution)
|
||||
const playlistFilename = VideoStreamingPlaylistModel.getHlsPlaylistFilename(resolution)
|
||||
const playlistFileTranscodePath = join(videoTranscodedBasePath, playlistFilename)
|
||||
|
||||
const transcodeOptions = {
|
||||
type,
|
||||
|
||||
inputPath,
|
||||
outputPath: playlistFileTranscodePath,
|
||||
|
||||
availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
|
||||
profile: CONFIG.TRANSCODING.PROFILE,
|
||||
|
||||
resolution,
|
||||
copyCodecs,
|
||||
isPortraitMode,
|
||||
|
||||
isAAC,
|
||||
|
||||
hlsPlaylist: {
|
||||
videoFilename
|
||||
},
|
||||
|
||||
job
|
||||
}
|
||||
|
||||
await transcode(transcodeOptions)
|
||||
|
||||
const playlistUrl = WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsMasterPlaylistStaticPath(video.uuid)
|
||||
|
||||
// Create or update the playlist
|
||||
const [ videoStreamingPlaylist ] = await VideoStreamingPlaylistModel.upsert({
|
||||
videoId: video.id,
|
||||
playlistUrl,
|
||||
segmentsSha256Url: WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsSha256SegmentsStaticPath(video.uuid, video.isLive),
|
||||
p2pMediaLoaderInfohashes: [],
|
||||
p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION,
|
||||
|
||||
type: VideoStreamingPlaylistType.HLS
|
||||
}, { returning: true }) as [ MStreamingPlaylistFilesVideo, boolean ]
|
||||
videoStreamingPlaylist.Video = video
|
||||
|
||||
// Build the new playlist file
|
||||
const extname = extnameUtil(videoFilename)
|
||||
const newVideoFile = new VideoFileModel({
|
||||
resolution,
|
||||
extname,
|
||||
size: 0,
|
||||
filename: generateVideoFilename(video, true, resolution, extname),
|
||||
fps: -1,
|
||||
videoStreamingPlaylistId: videoStreamingPlaylist.id
|
||||
})
|
||||
|
||||
const videoFilePath = getVideoFilePath(videoStreamingPlaylist, newVideoFile)
|
||||
|
||||
// Move files from tmp transcoded directory to the appropriate place
|
||||
const baseHlsDirectory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid)
|
||||
await ensureDir(baseHlsDirectory)
|
||||
|
||||
// Move playlist file
|
||||
const playlistPath = join(baseHlsDirectory, playlistFilename)
|
||||
await move(playlistFileTranscodePath, playlistPath, { overwrite: true })
|
||||
// Move video file
|
||||
await move(join(videoTranscodedBasePath, videoFilename), videoFilePath, { overwrite: true })
|
||||
|
||||
const stats = await stat(videoFilePath)
|
||||
|
||||
newVideoFile.size = stats.size
|
||||
newVideoFile.fps = await getVideoFileFPS(videoFilePath)
|
||||
newVideoFile.metadata = await getMetadataFromFile(videoFilePath)
|
||||
|
||||
await createTorrentAndSetInfoHash(videoStreamingPlaylist, newVideoFile)
|
||||
|
||||
await VideoFileModel.customUpsert(newVideoFile, 'streaming-playlist', undefined)
|
||||
videoStreamingPlaylist.VideoFiles = await videoStreamingPlaylist.$get('VideoFiles')
|
||||
|
||||
videoStreamingPlaylist.p2pMediaLoaderInfohashes = VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(
|
||||
playlistUrl, videoStreamingPlaylist.VideoFiles
|
||||
)
|
||||
await videoStreamingPlaylist.save()
|
||||
|
||||
video.setHLSPlaylist(videoStreamingPlaylist)
|
||||
|
||||
await updateMasterHLSPlaylist(video)
|
||||
await updateSha256VODSegments(video)
|
||||
|
||||
return playlistPath
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue