mirror of
https://github.com/Chocobozzz/PeerTube.git
synced 2024-08-17 01:10:34 +03:00
Improve target bitrate calculation
This commit is contained in:
parent
c826f34a45
commit
679c12e69c
@ -47,13 +47,13 @@ async function run () {
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if (!video) throw new Error('Video not found.')
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const dataInput: VideoTranscodingPayload[] = []
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const { videoFileResolution } = await video.getMaxQualityResolution()
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const { resolution } = await video.getMaxQualityResolution()
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// Generate HLS files
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if (options.generateHls || CONFIG.TRANSCODING.WEBTORRENT.ENABLED === false) {
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const resolutionsEnabled = options.resolution
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? [ options.resolution ]
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: computeResolutionsToTranscode(videoFileResolution, 'vod').concat([ videoFileResolution ])
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: computeResolutionsToTranscode(resolution, 'vod').concat([ resolution ])
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for (const resolution of resolutionsEnabled) {
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dataInput.push({
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@ -1,9 +1,7 @@
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import { registerTSPaths } from '../server/helpers/register-ts-paths'
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registerTSPaths()
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import { VIDEO_TRANSCODING_FPS } from '../server/initializers/constants'
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import { getDurationFromVideoFile, getVideoFileBitrate, getVideoFileFPS, getVideoFileResolution } from '../server/helpers/ffprobe-utils'
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import { getMaxBitrate } from '../shared/models/videos'
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import { VideoModel } from '../server/models/video/video'
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import { optimizeOriginalVideofile } from '../server/lib/transcoding/video-transcoding'
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import { initDatabaseModels } from '../server/initializers/database'
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@ -11,6 +9,7 @@ import { basename, dirname } from 'path'
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import { copy, move, remove } from 'fs-extra'
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import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent'
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import { getVideoFilePath } from '@server/lib/video-paths'
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import { getMaxBitrate } from '@shared/core-utils'
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run()
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.then(() => process.exit(0))
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@ -42,13 +41,13 @@ async function run () {
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for (const file of video.VideoFiles) {
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currentFilePath = getVideoFilePath(video, file)
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const [ videoBitrate, fps, resolution ] = await Promise.all([
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const [ videoBitrate, fps, dataResolution ] = await Promise.all([
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getVideoFileBitrate(currentFilePath),
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getVideoFileFPS(currentFilePath),
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getVideoFileResolution(currentFilePath)
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])
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const maxBitrate = getMaxBitrate(resolution.videoFileResolution, fps, VIDEO_TRANSCODING_FPS)
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const maxBitrate = getMaxBitrate({ ...dataResolution, fps })
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const isMaxBitrateExceeded = videoBitrate > maxBitrate
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if (isMaxBitrateExceeded) {
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console.log(
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@ -239,7 +239,7 @@ async function buildNewFile (video: MVideo, videoPhysicalFile: express.VideoUplo
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videoFile.resolution = DEFAULT_AUDIO_RESOLUTION
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} else {
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videoFile.fps = await getVideoFileFPS(videoPhysicalFile.path)
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videoFile.resolution = (await getVideoFileResolution(videoPhysicalFile.path)).videoFileResolution
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videoFile.resolution = (await getVideoFileResolution(videoPhysicalFile.path)).resolution
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}
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videoFile.filename = generateWebTorrentVideoFilename(videoFile.resolution, videoFile.extname)
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@ -3,10 +3,18 @@ import * as ffmpeg from 'fluent-ffmpeg'
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import { readFile, remove, writeFile } from 'fs-extra'
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import { dirname, join } from 'path'
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import { FFMPEG_NICE, VIDEO_LIVE } from '@server/initializers/constants'
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import { AvailableEncoders, EncoderOptions, EncoderOptionsBuilder, EncoderProfile, VideoResolution } from '../../shared/models/videos'
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import { pick } from '@shared/core-utils'
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import {
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AvailableEncoders,
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EncoderOptions,
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EncoderOptionsBuilder,
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EncoderOptionsBuilderParams,
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EncoderProfile,
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VideoResolution
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} from '../../shared/models/videos'
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import { CONFIG } from '../initializers/config'
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import { execPromise, promisify0 } from './core-utils'
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import { computeFPS, ffprobePromise, getAudioStream, getVideoFileBitrate, getVideoFileFPS } from './ffprobe-utils'
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import { computeFPS, ffprobePromise, getAudioStream, getVideoFileBitrate, getVideoFileFPS, getVideoFileResolution } from './ffprobe-utils'
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import { processImage } from './image-utils'
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import { logger } from './logger'
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@ -217,13 +225,16 @@ async function getLiveTranscodingCommand (options: {
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masterPlaylistName: string
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resolutions: number[]
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// Input information
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fps: number
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bitrate: number
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ratio: number
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availableEncoders: AvailableEncoders
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profile: string
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}) {
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const { rtmpUrl, outPath, resolutions, fps, bitrate, availableEncoders, profile, masterPlaylistName } = options
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const { rtmpUrl, outPath, resolutions, fps, bitrate, availableEncoders, profile, masterPlaylistName, ratio } = options
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const input = rtmpUrl
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const command = getFFmpeg(input, 'live')
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@ -253,9 +264,12 @@ async function getLiveTranscodingCommand (options: {
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availableEncoders,
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profile,
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fps: resolutionFPS,
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inputBitrate: bitrate,
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inputRatio: ratio,
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resolution,
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fps: resolutionFPS,
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streamNum: i,
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videoType: 'live' as 'live'
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}
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@ -502,7 +516,7 @@ function getHLSVideoPath (options: HLSTranscodeOptions | HLSFromTSTranscodeOptio
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// Run encoder builder depending on available encoders
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// Try encoders by priority: if the encoder is available, run the chosen profile or fallback to the default one
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// If the default one does not exist, check the next encoder
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async function getEncoderBuilderResult (options: {
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async function getEncoderBuilderResult (options: EncoderOptionsBuilderParams & {
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streamType: 'video' | 'audio'
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input: string
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@ -510,13 +524,8 @@ async function getEncoderBuilderResult (options: {
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profile: string
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videoType: 'vod' | 'live'
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resolution: number
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inputBitrate: number
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fps?: number
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streamNum?: number
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}) {
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const { availableEncoders, input, profile, resolution, streamType, fps, inputBitrate, streamNum, videoType } = options
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const { availableEncoders, profile, streamType, videoType } = options
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const encodersToTry = availableEncoders.encodersToTry[videoType][streamType]
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const encoders = availableEncoders.available[videoType]
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@ -546,7 +555,7 @@ async function getEncoderBuilderResult (options: {
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}
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}
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const result = await builder({ input, resolution, inputBitrate, fps, streamNum })
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const result = await builder(pick(options, [ 'input', 'resolution', 'inputBitrate', 'fps', 'inputRatio', 'streamNum' ]))
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return {
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result,
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@ -581,6 +590,7 @@ async function presetVideo (options: {
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// Audio encoder
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const parsedAudio = await getAudioStream(input, probe)
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const bitrate = await getVideoFileBitrate(input, probe)
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const { ratio } = await getVideoFileResolution(input, probe)
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let streamsToProcess: StreamType[] = [ 'audio', 'video' ]
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@ -600,6 +610,7 @@ async function presetVideo (options: {
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profile,
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fps,
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inputBitrate: bitrate,
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inputRatio: ratio,
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videoType: 'vod' as 'vod'
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})
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@ -1,5 +1,6 @@
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import * as ffmpeg from 'fluent-ffmpeg'
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import { getMaxBitrate, VideoFileMetadata, VideoResolution } from '../../shared/models/videos'
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import { getMaxBitrate } from '@shared/core-utils'
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import { VideoFileMetadata, VideoResolution, VideoTranscodingFPS } from '../../shared/models/videos'
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import { CONFIG } from '../initializers/config'
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import { VIDEO_TRANSCODING_FPS } from '../initializers/constants'
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import { logger } from './logger'
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@ -75,7 +76,7 @@ function getMaxAudioBitrate (type: 'aac' | 'mp3' | string, bitrate: number) {
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}
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}
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async function getVideoStreamSize (path: string, existingProbe?: ffmpeg.FfprobeData) {
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async function getVideoStreamSize (path: string, existingProbe?: ffmpeg.FfprobeData): Promise<{ width: number, height: number }> {
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const videoStream = await getVideoStreamFromFile(path, existingProbe)
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return videoStream === null
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@ -146,7 +147,10 @@ async function getVideoFileResolution (path: string, existingProbe?: ffmpeg.Ffpr
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const size = await getVideoStreamSize(path, existingProbe)
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return {
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videoFileResolution: Math.min(size.height, size.width),
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width: size.width,
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height: size.height,
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ratio: Math.max(size.height, size.width) / Math.min(size.height, size.width),
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resolution: Math.min(size.height, size.width),
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isPortraitMode: size.height > size.width
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}
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}
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@ -243,7 +247,7 @@ async function canDoQuickVideoTranscode (path: string, probe?: ffmpeg.FfprobeDat
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const videoStream = await getVideoStreamFromFile(path, probe)
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const fps = await getVideoFileFPS(path, probe)
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const bitRate = await getVideoFileBitrate(path, probe)
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const resolution = await getVideoFileResolution(path, probe)
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const resolutionData = await getVideoFileResolution(path, probe)
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// If ffprobe did not manage to guess the bitrate
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if (!bitRate) return false
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@ -253,7 +257,7 @@ async function canDoQuickVideoTranscode (path: string, probe?: ffmpeg.FfprobeDat
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if (videoStream['codec_name'] !== 'h264') return false
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if (videoStream['pix_fmt'] !== 'yuv420p') return false
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if (fps < VIDEO_TRANSCODING_FPS.MIN || fps > VIDEO_TRANSCODING_FPS.MAX) return false
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if (bitRate > getMaxBitrate(resolution.videoFileResolution, fps, VIDEO_TRANSCODING_FPS)) return false
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if (bitRate > getMaxBitrate({ ...resolutionData, fps })) return false
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return true
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}
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@ -278,7 +282,7 @@ async function canDoQuickAudioTranscode (path: string, probe?: ffmpeg.FfprobeDat
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return true
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}
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function getClosestFramerateStandard (fps: number, type: 'HD_STANDARD' | 'STANDARD'): number {
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function getClosestFramerateStandard <K extends keyof Pick<VideoTranscodingFPS, 'HD_STANDARD' | 'STANDARD'>> (fps: number, type: K) {
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return VIDEO_TRANSCODING_FPS[type].slice(0)
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.sort((a, b) => fps % a - fps % b)[0]
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}
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@ -27,17 +27,15 @@ function up (utils: {
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const ext = matches[2]
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const p = getVideoFileResolution(join(videoFileDir, videoFile))
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.then(height => {
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.then(async ({ resolution }) => {
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const oldTorrentName = uuid + '.torrent'
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const newTorrentName = uuid + '-' + height + '.torrent'
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return rename(join(torrentDir, oldTorrentName), join(torrentDir, newTorrentName)).then(() => height)
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})
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.then(height => {
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const newVideoFileName = uuid + '-' + height + '.' + ext
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return rename(join(videoFileDir, videoFile), join(videoFileDir, newVideoFileName)).then(() => height)
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})
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.then(height => {
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const query = 'UPDATE "VideoFiles" SET "resolution" = ' + height +
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const newTorrentName = uuid + '-' + resolution + '.torrent'
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await rename(join(torrentDir, oldTorrentName), join(torrentDir, newTorrentName)).then(() => resolution)
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const newVideoFileName = uuid + '-' + resolution + '.' + ext
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await rename(join(videoFileDir, videoFile), join(videoFileDir, newVideoFileName)).then(() => resolution)
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const query = 'UPDATE "VideoFiles" SET "resolution" = ' + resolution +
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' WHERE "videoId" = (SELECT "id" FROM "Videos" WHERE "uuid" = \'' + uuid + '\')'
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return utils.sequelize.query(query)
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})
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@ -32,7 +32,7 @@ async function processVideoFileImport (job: Bull.Job) {
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const newResolutionPayload = {
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type: 'new-resolution-to-webtorrent' as 'new-resolution-to-webtorrent',
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videoUUID: video.uuid,
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resolution: data.videoFileResolution,
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resolution: data.resolution,
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isPortraitMode: data.isPortraitMode,
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copyCodecs: false,
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isNewVideo: false
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@ -51,13 +51,13 @@ export {
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// ---------------------------------------------------------------------------
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async function updateVideoFile (video: MVideoFullLight, inputFilePath: string) {
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const { videoFileResolution } = await getVideoFileResolution(inputFilePath)
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const { resolution } = await getVideoFileResolution(inputFilePath)
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const { size } = await stat(inputFilePath)
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const fps = await getVideoFileFPS(inputFilePath)
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const fileExt = getLowercaseExtension(inputFilePath)
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const currentVideoFile = video.VideoFiles.find(videoFile => videoFile.resolution === videoFileResolution)
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const currentVideoFile = video.VideoFiles.find(videoFile => videoFile.resolution === resolution)
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if (currentVideoFile) {
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// Remove old file and old torrent
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@ -69,9 +69,9 @@ async function updateVideoFile (video: MVideoFullLight, inputFilePath: string) {
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}
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const newVideoFile = new VideoFileModel({
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resolution: videoFileResolution,
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resolution,
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extname: fileExt,
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filename: generateWebTorrentVideoFilename(videoFileResolution, fileExt),
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filename: generateWebTorrentVideoFilename(resolution, fileExt),
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size,
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fps,
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videoId: video.id
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@ -114,7 +114,7 @@ async function processFile (downloader: () => Promise<string>, videoImport: MVid
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throw new Error('The user video quota is exceeded with this video to import.')
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}
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const { videoFileResolution } = await getVideoFileResolution(tempVideoPath)
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const { resolution } = await getVideoFileResolution(tempVideoPath)
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const fps = await getVideoFileFPS(tempVideoPath)
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const duration = await getDurationFromVideoFile(tempVideoPath)
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@ -122,9 +122,9 @@ async function processFile (downloader: () => Promise<string>, videoImport: MVid
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const fileExt = getLowercaseExtension(tempVideoPath)
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const videoFileData = {
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extname: fileExt,
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resolution: videoFileResolution,
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resolution,
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size: stats.size,
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filename: generateWebTorrentVideoFilename(videoFileResolution, fileExt),
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filename: generateWebTorrentVideoFilename(resolution, fileExt),
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fps,
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videoId: videoImport.videoId
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}
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@ -96,12 +96,12 @@ async function saveLive (video: MVideo, live: MVideoLive, streamingPlaylist: MSt
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const probe = await ffprobePromise(concatenatedTsFilePath)
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const { audioStream } = await getAudioStream(concatenatedTsFilePath, probe)
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const { videoFileResolution, isPortraitMode } = await getVideoFileResolution(concatenatedTsFilePath, probe)
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const { resolution, isPortraitMode } = await getVideoFileResolution(concatenatedTsFilePath, probe)
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const outputPath = await generateHlsPlaylistResolutionFromTS({
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video: videoWithFiles,
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concatenatedTsFilePath,
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resolution: videoFileResolution,
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resolution,
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isPortraitMode,
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isAAC: audioStream?.codec_name === 'aac'
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})
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@ -136,7 +136,7 @@ async function onVideoFileOptimizer (
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if (videoArg === undefined) return undefined
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// Outside the transaction (IO on disk)
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const { videoFileResolution, isPortraitMode } = await videoArg.getMaxQualityResolution()
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const { resolution, isPortraitMode } = await videoArg.getMaxQualityResolution()
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// Maybe the video changed in database, refresh it
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const videoDatabase = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoArg.uuid)
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@ -155,7 +155,7 @@ async function onVideoFileOptimizer (
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})
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const hasHls = await createHlsJobIfEnabled(user, originalFileHLSPayload)
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const hasNewResolutions = await createLowerResolutionsJobs(videoDatabase, user, videoFileResolution, isPortraitMode, 'webtorrent')
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const hasNewResolutions = await createLowerResolutionsJobs(videoDatabase, user, resolution, isPortraitMode, 'webtorrent')
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if (!hasHls && !hasNewResolutions) {
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// No transcoding to do, it's now published
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@ -202,7 +202,7 @@ class LiveManager {
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const now = Date.now()
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const probe = await ffprobePromise(rtmpUrl)
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const [ { videoFileResolution }, fps, bitrate ] = await Promise.all([
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const [ { resolution, ratio }, fps, bitrate ] = await Promise.all([
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getVideoFileResolution(rtmpUrl, probe),
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getVideoFileFPS(rtmpUrl, probe),
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getVideoFileBitrate(rtmpUrl, probe)
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@ -210,13 +210,13 @@ class LiveManager {
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logger.info(
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'%s probing took %d ms (bitrate: %d, fps: %d, resolution: %d)',
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rtmpUrl, Date.now() - now, bitrate, fps, videoFileResolution, lTags(sessionId, video.uuid)
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rtmpUrl, Date.now() - now, bitrate, fps, resolution, lTags(sessionId, video.uuid)
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)
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const allResolutions = this.buildAllResolutionsToTranscode(videoFileResolution)
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const allResolutions = this.buildAllResolutionsToTranscode(resolution)
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logger.info(
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'Will mux/transcode live video of original resolution %d.', videoFileResolution,
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'Will mux/transcode live video of original resolution %d.', resolution,
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{ allResolutions, ...lTags(sessionId, video.uuid) }
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)
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@ -229,6 +229,7 @@ class LiveManager {
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rtmpUrl,
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fps,
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bitrate,
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ratio,
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allResolutions
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})
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}
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@ -240,9 +241,10 @@ class LiveManager {
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rtmpUrl: string
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fps: number
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bitrate: number
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ratio: number
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allResolutions: number[]
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}) {
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const { sessionId, videoLive, streamingPlaylist, allResolutions, fps, bitrate, rtmpUrl } = options
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const { sessionId, videoLive, streamingPlaylist, allResolutions, fps, bitrate, ratio, rtmpUrl } = options
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const videoUUID = videoLive.Video.uuid
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const localLTags = lTags(sessionId, videoUUID)
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@ -257,6 +259,7 @@ class LiveManager {
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streamingPlaylist,
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rtmpUrl,
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bitrate,
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ratio,
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fps,
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allResolutions
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})
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@ -54,9 +54,11 @@ class MuxingSession extends EventEmitter {
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private readonly streamingPlaylist: MStreamingPlaylistVideo
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private readonly rtmpUrl: string
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private readonly fps: number
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private readonly bitrate: number
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private readonly allResolutions: number[]
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private readonly bitrate: number
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private readonly ratio: number
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private readonly videoId: number
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private readonly videoUUID: string
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private readonly saveReplay: boolean
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@ -85,6 +87,7 @@ class MuxingSession extends EventEmitter {
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rtmpUrl: string
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fps: number
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bitrate: number
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ratio: number
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allResolutions: number[]
|
||||
}) {
|
||||
super()
|
||||
@ -96,7 +99,10 @@ class MuxingSession extends EventEmitter {
|
||||
this.streamingPlaylist = options.streamingPlaylist
|
||||
this.rtmpUrl = options.rtmpUrl
|
||||
this.fps = options.fps
|
||||
|
||||
this.bitrate = options.bitrate
|
||||
this.ratio = options.bitrate
|
||||
|
||||
this.allResolutions = options.allResolutions
|
||||
|
||||
this.videoId = this.videoLive.Video.id
|
||||
@ -122,6 +128,7 @@ class MuxingSession extends EventEmitter {
|
||||
resolutions: this.allResolutions,
|
||||
fps: this.fps,
|
||||
bitrate: this.bitrate,
|
||||
ratio: this.ratio,
|
||||
|
||||
availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(),
|
||||
profile: CONFIG.LIVE.TRANSCODING.PROFILE
|
||||
|
@ -1,23 +1,24 @@
|
||||
import { logger } from '@server/helpers/logger'
|
||||
import { AvailableEncoders, EncoderOptionsBuilder, getTargetBitrate, VideoResolution } from '../../../shared/models/videos'
|
||||
import { getAverageBitrate } from '@shared/core-utils'
|
||||
import { AvailableEncoders, EncoderOptionsBuilder, EncoderOptionsBuilderParams } from '../../../shared/models/videos'
|
||||
import { buildStreamSuffix, resetSupportedEncoders } from '../../helpers/ffmpeg-utils'
|
||||
import { canDoQuickAudioTranscode, ffprobePromise, getAudioStream, getMaxAudioBitrate } from '../../helpers/ffprobe-utils'
|
||||
import { VIDEO_TRANSCODING_FPS } from '../../initializers/constants'
|
||||
|
||||
/**
|
||||
*
|
||||
* Available encoders and profiles for the transcoding jobs
|
||||
* These functions are used by ffmpeg-utils that will get the encoders and options depending on the chosen profile
|
||||
*
|
||||
* Resources:
|
||||
* * https://slhck.info/video/2017/03/01/rate-control.html
|
||||
* * https://trac.ffmpeg.org/wiki/Limiting%20the%20output%20bitrate
|
||||
*/
|
||||
|
||||
// Resources:
|
||||
// * https://slhck.info/video/2017/03/01/rate-control.html
|
||||
// * https://trac.ffmpeg.org/wiki/Limiting%20the%20output%20bitrate
|
||||
const defaultX264VODOptionsBuilder: EncoderOptionsBuilder = async (options: EncoderOptionsBuilderParams) => {
|
||||
const { fps, inputRatio, inputBitrate } = options
|
||||
if (!fps) return { outputOptions: [ ] }
|
||||
|
||||
const defaultX264VODOptionsBuilder: EncoderOptionsBuilder = async ({ inputBitrate, resolution, fps }) => {
|
||||
const targetBitrate = buildTargetBitrate({ inputBitrate, resolution, fps })
|
||||
if (!targetBitrate) return { outputOptions: [ ] }
|
||||
const targetBitrate = capBitrate(inputBitrate, getAverageBitrate({ ...options, fps, ratio: inputRatio }))
|
||||
|
||||
return {
|
||||
outputOptions: [
|
||||
@ -29,8 +30,10 @@ const defaultX264VODOptionsBuilder: EncoderOptionsBuilder = async ({ inputBitrat
|
||||
}
|
||||
}
|
||||
|
||||
const defaultX264LiveOptionsBuilder: EncoderOptionsBuilder = async ({ resolution, fps, inputBitrate, streamNum }) => {
|
||||
const targetBitrate = buildTargetBitrate({ inputBitrate, resolution, fps })
|
||||
const defaultX264LiveOptionsBuilder: EncoderOptionsBuilder = async (options: EncoderOptionsBuilderParams) => {
|
||||
const { streamNum, fps, inputBitrate, inputRatio } = options
|
||||
|
||||
const targetBitrate = capBitrate(inputBitrate, getAverageBitrate({ ...options, fps, ratio: inputRatio }))
|
||||
|
||||
return {
|
||||
outputOptions: [
|
||||
@ -231,14 +234,7 @@ export {
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
function buildTargetBitrate (options: {
|
||||
inputBitrate: number
|
||||
resolution: VideoResolution
|
||||
fps: number
|
||||
}) {
|
||||
const { inputBitrate, resolution, fps } = options
|
||||
|
||||
const targetBitrate = getTargetBitrate(resolution, fps, VIDEO_TRANSCODING_FPS)
|
||||
function capBitrate (inputBitrate: number, targetBitrate: number) {
|
||||
if (!inputBitrate) return targetBitrate
|
||||
|
||||
return Math.min(targetBitrate, inputBitrate)
|
||||
|
@ -3,7 +3,7 @@
|
||||
import 'mocha'
|
||||
import * as chai from 'chai'
|
||||
import { basename, join } from 'path'
|
||||
import { ffprobePromise, getVideoFileBitrate, getVideoStreamFromFile } from '@server/helpers/ffprobe-utils'
|
||||
import { ffprobePromise, getVideoStreamFromFile } from '@server/helpers/ffprobe-utils'
|
||||
import {
|
||||
checkLiveCleanupAfterSave,
|
||||
checkLiveSegmentHash,
|
||||
|
@ -3,6 +3,7 @@
|
||||
import 'mocha'
|
||||
import * as chai from 'chai'
|
||||
import { omit } from 'lodash'
|
||||
import { getMaxBitrate } from '@shared/core-utils'
|
||||
import {
|
||||
buildAbsoluteFixturePath,
|
||||
cleanupTests,
|
||||
@ -17,8 +18,7 @@ import {
|
||||
waitJobs,
|
||||
webtorrentAdd
|
||||
} from '@shared/extra-utils'
|
||||
import { getMaxBitrate, HttpStatusCode, VideoResolution, VideoState } from '@shared/models'
|
||||
import { VIDEO_TRANSCODING_FPS } from '../../../../server/initializers/constants'
|
||||
import { HttpStatusCode, VideoState } from '@shared/models'
|
||||
import {
|
||||
canDoQuickTranscode,
|
||||
getAudioStream,
|
||||
@ -191,15 +191,6 @@ describe('Test video transcoding', function () {
|
||||
it('Should accept and transcode additional extensions', async function () {
|
||||
this.timeout(300_000)
|
||||
|
||||
let tempFixturePath: string
|
||||
|
||||
{
|
||||
tempFixturePath = await generateHighBitrateVideo()
|
||||
|
||||
const bitrate = await getVideoFileBitrate(tempFixturePath)
|
||||
expect(bitrate).to.be.above(getMaxBitrate(VideoResolution.H_1080P, 25, VIDEO_TRANSCODING_FPS))
|
||||
}
|
||||
|
||||
for (const fixture of [ 'video_short.mkv', 'video_short.avi' ]) {
|
||||
const attributes = {
|
||||
name: fixture,
|
||||
@ -555,14 +546,7 @@ describe('Test video transcoding', function () {
|
||||
it('Should respect maximum bitrate values', async function () {
|
||||
this.timeout(160_000)
|
||||
|
||||
let tempFixturePath: string
|
||||
|
||||
{
|
||||
tempFixturePath = await generateHighBitrateVideo()
|
||||
|
||||
const bitrate = await getVideoFileBitrate(tempFixturePath)
|
||||
expect(bitrate).to.be.above(getMaxBitrate(VideoResolution.H_1080P, 25, VIDEO_TRANSCODING_FPS))
|
||||
}
|
||||
const tempFixturePath = await generateHighBitrateVideo()
|
||||
|
||||
const attributes = {
|
||||
name: 'high bitrate video',
|
||||
@ -586,10 +570,12 @@ describe('Test video transcoding', function () {
|
||||
|
||||
const bitrate = await getVideoFileBitrate(path)
|
||||
const fps = await getVideoFileFPS(path)
|
||||
const { videoFileResolution } = await getVideoFileResolution(path)
|
||||
const dataResolution = await getVideoFileResolution(path)
|
||||
|
||||
expect(videoFileResolution).to.equal(resolution)
|
||||
expect(bitrate).to.be.below(getMaxBitrate(videoFileResolution, fps, VIDEO_TRANSCODING_FPS))
|
||||
expect(resolution).to.equal(resolution)
|
||||
|
||||
const maxBitrate = getMaxBitrate({ ...dataResolution, fps })
|
||||
expect(bitrate).to.be.below(maxBitrate)
|
||||
}
|
||||
}
|
||||
})
|
||||
|
@ -2,6 +2,7 @@
|
||||
|
||||
import 'mocha'
|
||||
import * as chai from 'chai'
|
||||
import { getMaxBitrate } from '@shared/core-utils'
|
||||
import {
|
||||
cleanupTests,
|
||||
createMultipleServers,
|
||||
@ -12,9 +13,7 @@ import {
|
||||
wait,
|
||||
waitJobs
|
||||
} from '@shared/extra-utils'
|
||||
import { getMaxBitrate, VideoResolution } from '@shared/models'
|
||||
import { getVideoFileBitrate, getVideoFileFPS, getVideoFileResolution } from '../../helpers/ffprobe-utils'
|
||||
import { VIDEO_TRANSCODING_FPS } from '../../initializers/constants'
|
||||
|
||||
const expect = chai.expect
|
||||
|
||||
@ -30,14 +29,7 @@ describe('Test optimize old videos', function () {
|
||||
|
||||
await doubleFollow(servers[0], servers[1])
|
||||
|
||||
let tempFixturePath: string
|
||||
|
||||
{
|
||||
tempFixturePath = await generateHighBitrateVideo()
|
||||
|
||||
const bitrate = await getVideoFileBitrate(tempFixturePath)
|
||||
expect(bitrate).to.be.above(getMaxBitrate(VideoResolution.H_1080P, 25, VIDEO_TRANSCODING_FPS))
|
||||
}
|
||||
const tempFixturePath = await generateHighBitrateVideo()
|
||||
|
||||
// Upload two videos for our needs
|
||||
await servers[0].videos.upload({ attributes: { name: 'video1', fixture: tempFixturePath } })
|
||||
@ -88,10 +80,12 @@ describe('Test optimize old videos', function () {
|
||||
const path = servers[0].servers.buildWebTorrentFilePath(file.fileUrl)
|
||||
const bitrate = await getVideoFileBitrate(path)
|
||||
const fps = await getVideoFileFPS(path)
|
||||
const resolution = await getVideoFileResolution(path)
|
||||
const data = await getVideoFileResolution(path)
|
||||
|
||||
expect(resolution.videoFileResolution).to.equal(file.resolution.id)
|
||||
expect(bitrate).to.be.below(getMaxBitrate(resolution.videoFileResolution, fps, VIDEO_TRANSCODING_FPS))
|
||||
expect(data.resolution).to.equal(file.resolution.id)
|
||||
|
||||
const maxBitrate = getMaxBitrate({ ...data, fps })
|
||||
expect(bitrate).to.be.below(maxBitrate)
|
||||
}
|
||||
}
|
||||
})
|
||||
|
@ -3,16 +3,16 @@
|
||||
import 'mocha'
|
||||
import * as chai from 'chai'
|
||||
import { getVideoFileBitrate, getVideoFileFPS } from '@server/helpers/ffprobe-utils'
|
||||
import { CLICommand } from '@shared/extra-utils'
|
||||
import { getTargetBitrate, VideoResolution } from '../../../shared/models/videos'
|
||||
import { VIDEO_TRANSCODING_FPS } from '../../initializers/constants'
|
||||
import { getMaxBitrate } from '@shared/core-utils'
|
||||
import { buildAbsoluteFixturePath, CLICommand } from '@shared/extra-utils'
|
||||
import { VideoResolution } from '../../../shared/models/videos'
|
||||
|
||||
const expect = chai.expect
|
||||
|
||||
describe('Test create transcoding jobs', function () {
|
||||
|
||||
it('Should print the correct command for each resolution', async function () {
|
||||
const fixturePath = 'server/tests/fixtures/video_short.webm'
|
||||
const fixturePath = buildAbsoluteFixturePath('video_short.webm')
|
||||
const fps = await getVideoFileFPS(fixturePath)
|
||||
const bitrate = await getVideoFileBitrate(fixturePath)
|
||||
|
||||
@ -21,7 +21,7 @@ describe('Test create transcoding jobs', function () {
|
||||
VideoResolution.H_1080P
|
||||
]) {
|
||||
const command = await CLICommand.exec(`npm run print-transcode-command -- ${fixturePath} -r ${resolution}`)
|
||||
const targetBitrate = Math.min(getTargetBitrate(resolution, fps, VIDEO_TRANSCODING_FPS), bitrate)
|
||||
const targetBitrate = Math.min(getMaxBitrate({ resolution, fps, ratio: 16 / 9 }), bitrate)
|
||||
|
||||
expect(command).to.includes(`-vf scale=w=-2:h=${resolution}`)
|
||||
expect(command).to.includes(`-y -acodec aac -vcodec libx264`)
|
||||
|
@ -4,6 +4,8 @@ import 'mocha'
|
||||
import * as chai from 'chai'
|
||||
import { snakeCase } from 'lodash'
|
||||
import validator from 'validator'
|
||||
import { getAverageBitrate, getMaxBitrate } from '@shared/core-utils'
|
||||
import { VideoResolution } from '@shared/models'
|
||||
import { objectConverter, parseBytes } from '../../helpers/core-utils'
|
||||
|
||||
const expect = chai.expect
|
||||
@ -46,6 +48,9 @@ describe('Parse Bytes', function () {
|
||||
it('Should be invalid when given invalid value', async function () {
|
||||
expect(parseBytes('6GB 1GB')).to.be.eq(6)
|
||||
})
|
||||
})
|
||||
|
||||
describe('Object', function () {
|
||||
|
||||
it('Should convert an object', async function () {
|
||||
function keyConverter (k: string) {
|
||||
@ -94,3 +99,36 @@ describe('Parse Bytes', function () {
|
||||
expect(obj['my_super_key']).to.be.undefined
|
||||
})
|
||||
})
|
||||
|
||||
describe('Bitrate', function () {
|
||||
|
||||
it('Should get appropriate max bitrate', function () {
|
||||
const tests = [
|
||||
{ resolution: VideoResolution.H_240P, ratio: 16 / 9, fps: 24, min: 600, max: 800 },
|
||||
{ resolution: VideoResolution.H_360P, ratio: 16 / 9, fps: 24, min: 1200, max: 1600 },
|
||||
{ resolution: VideoResolution.H_480P, ratio: 16 / 9, fps: 24, min: 2000, max: 2300 },
|
||||
{ resolution: VideoResolution.H_720P, ratio: 16 / 9, fps: 24, min: 4000, max: 4400 },
|
||||
{ resolution: VideoResolution.H_1080P, ratio: 16 / 9, fps: 24, min: 8000, max: 10000 },
|
||||
{ resolution: VideoResolution.H_4K, ratio: 16 / 9, fps: 24, min: 25000, max: 30000 }
|
||||
]
|
||||
|
||||
for (const test of tests) {
|
||||
expect(getMaxBitrate(test)).to.be.above(test.min * 1000).and.below(test.max * 1000)
|
||||
}
|
||||
})
|
||||
|
||||
it('Should get appropriate average bitrate', function () {
|
||||
const tests = [
|
||||
{ resolution: VideoResolution.H_240P, ratio: 16 / 9, fps: 24, min: 350, max: 450 },
|
||||
{ resolution: VideoResolution.H_360P, ratio: 16 / 9, fps: 24, min: 700, max: 900 },
|
||||
{ resolution: VideoResolution.H_480P, ratio: 16 / 9, fps: 24, min: 1100, max: 1300 },
|
||||
{ resolution: VideoResolution.H_720P, ratio: 16 / 9, fps: 24, min: 2300, max: 2500 },
|
||||
{ resolution: VideoResolution.H_1080P, ratio: 16 / 9, fps: 24, min: 4700, max: 5000 },
|
||||
{ resolution: VideoResolution.H_4K, ratio: 16 / 9, fps: 24, min: 15000, max: 17000 }
|
||||
]
|
||||
|
||||
for (const test of tests) {
|
||||
expect(getAverageBitrate(test)).to.be.above(test.min * 1000).and.below(test.max * 1000)
|
||||
}
|
||||
})
|
||||
})
|
||||
|
@ -5,3 +5,4 @@ export * from './plugins'
|
||||
export * from './renderer'
|
||||
export * from './users'
|
||||
export * from './utils'
|
||||
export * from './videos'
|
||||
|
86
shared/core-utils/videos/bitrate.ts
Normal file
86
shared/core-utils/videos/bitrate.ts
Normal file
@ -0,0 +1,86 @@
|
||||
import { VideoResolution } from "@shared/models"
|
||||
|
||||
type BitPerPixel = { [ id in VideoResolution ]: number }
|
||||
|
||||
// https://bitmovin.com/video-bitrate-streaming-hls-dash/
|
||||
|
||||
const averageBitPerPixel: BitPerPixel = {
|
||||
[VideoResolution.H_NOVIDEO]: 0,
|
||||
[VideoResolution.H_240P]: 0.17,
|
||||
[VideoResolution.H_360P]: 0.15,
|
||||
[VideoResolution.H_480P]: 0.12,
|
||||
[VideoResolution.H_720P]: 0.11,
|
||||
[VideoResolution.H_1080P]: 0.10,
|
||||
[VideoResolution.H_1440P]: 0.09,
|
||||
[VideoResolution.H_4K]: 0.08
|
||||
}
|
||||
|
||||
const maxBitPerPixel: BitPerPixel = {
|
||||
[VideoResolution.H_NOVIDEO]: 0,
|
||||
[VideoResolution.H_240P]: 0.29,
|
||||
[VideoResolution.H_360P]: 0.26,
|
||||
[VideoResolution.H_480P]: 0.22,
|
||||
[VideoResolution.H_720P]: 0.19,
|
||||
[VideoResolution.H_1080P]: 0.17,
|
||||
[VideoResolution.H_1440P]: 0.16,
|
||||
[VideoResolution.H_4K]: 0.14
|
||||
}
|
||||
|
||||
function getAverageBitrate (options: {
|
||||
resolution: VideoResolution
|
||||
ratio: number
|
||||
fps: number
|
||||
}) {
|
||||
const targetBitrate = calculateBitrate({ ...options, bitPerPixel: averageBitPerPixel })
|
||||
if (!targetBitrate) return 192 * 1000
|
||||
|
||||
return targetBitrate
|
||||
}
|
||||
|
||||
function getMaxBitrate (options: {
|
||||
resolution: VideoResolution
|
||||
ratio: number
|
||||
fps: number
|
||||
}) {
|
||||
const targetBitrate = calculateBitrate({ ...options, bitPerPixel: maxBitPerPixel })
|
||||
if (!targetBitrate) return 256 * 1000
|
||||
|
||||
return targetBitrate
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
export {
|
||||
getAverageBitrate,
|
||||
getMaxBitrate
|
||||
}
|
||||
|
||||
// ---------------------------------------------------------------------------
|
||||
|
||||
function calculateBitrate (options: {
|
||||
bitPerPixel: BitPerPixel
|
||||
resolution: VideoResolution
|
||||
ratio: number
|
||||
fps: number
|
||||
}) {
|
||||
const { bitPerPixel, resolution, ratio, fps } = options
|
||||
|
||||
const resolutionsOrder = [
|
||||
VideoResolution.H_4K,
|
||||
VideoResolution.H_1440P,
|
||||
VideoResolution.H_1080P,
|
||||
VideoResolution.H_720P,
|
||||
VideoResolution.H_480P,
|
||||
VideoResolution.H_360P,
|
||||
VideoResolution.H_240P,
|
||||
VideoResolution.H_NOVIDEO
|
||||
]
|
||||
|
||||
for (const toTestResolution of resolutionsOrder) {
|
||||
if (toTestResolution <= resolution) {
|
||||
return resolution * resolution * ratio * fps * bitPerPixel[toTestResolution]
|
||||
}
|
||||
}
|
||||
|
||||
throw new Error('Unknown resolution ' + resolution)
|
||||
}
|
1
shared/core-utils/videos/index.ts
Normal file
1
shared/core-utils/videos/index.ts
Normal file
@ -0,0 +1 @@
|
||||
export * from './bitrate'
|
@ -1,8 +1,20 @@
|
||||
import { expect } from 'chai'
|
||||
import * as ffmpeg from 'fluent-ffmpeg'
|
||||
import { ensureDir, pathExists } from 'fs-extra'
|
||||
import { dirname } from 'path'
|
||||
import { getVideoFileBitrate, getVideoFileFPS, getVideoFileResolution } from '@server/helpers/ffprobe-utils'
|
||||
import { getMaxBitrate } from '@shared/core-utils'
|
||||
import { buildAbsoluteFixturePath } from './tests'
|
||||
|
||||
async function ensureHasTooBigBitrate (fixturePath: string) {
|
||||
const bitrate = await getVideoFileBitrate(fixturePath)
|
||||
const dataResolution = await getVideoFileResolution(fixturePath)
|
||||
const fps = await getVideoFileFPS(fixturePath)
|
||||
|
||||
const maxBitrate = getMaxBitrate({ ...dataResolution, fps })
|
||||
expect(bitrate).to.be.above(maxBitrate)
|
||||
}
|
||||
|
||||
async function generateHighBitrateVideo () {
|
||||
const tempFixturePath = buildAbsoluteFixturePath('video_high_bitrate_1080p.mp4', true)
|
||||
|
||||
@ -28,6 +40,8 @@ async function generateHighBitrateVideo () {
|
||||
})
|
||||
}
|
||||
|
||||
await ensureHasTooBigBitrate(tempFixturePath)
|
||||
|
||||
return tempFixturePath
|
||||
}
|
||||
|
||||
|
@ -1,5 +1,3 @@
|
||||
import { VideoTranscodingFPS } from './video-transcoding-fps.model'
|
||||
|
||||
export const enum VideoResolution {
|
||||
H_NOVIDEO = 0,
|
||||
H_240P = 240,
|
||||
@ -10,90 +8,3 @@ export const enum VideoResolution {
|
||||
H_1440P = 1440,
|
||||
H_4K = 2160
|
||||
}
|
||||
|
||||
/**
|
||||
* Bitrate targets for different resolutions, at VideoTranscodingFPS.AVERAGE.
|
||||
*
|
||||
* Sources for individual quality levels:
|
||||
* Google Live Encoder: https://support.google.com/youtube/answer/2853702?hl=en
|
||||
* YouTube Video Info: youtube-dl --list-formats, with sample videos
|
||||
*/
|
||||
function getBaseBitrate (resolution: number) {
|
||||
if (resolution === VideoResolution.H_NOVIDEO) {
|
||||
// audio-only
|
||||
return 64 * 1000
|
||||
}
|
||||
|
||||
if (resolution <= VideoResolution.H_240P) {
|
||||
// quality according to Google Live Encoder: 300 - 700 Kbps
|
||||
// Quality according to YouTube Video Info: 285 Kbps
|
||||
return 320 * 1000
|
||||
}
|
||||
|
||||
if (resolution <= VideoResolution.H_360P) {
|
||||
// quality according to Google Live Encoder: 400 - 1,000 Kbps
|
||||
// Quality according to YouTube Video Info: 700 Kbps
|
||||
return 780 * 1000
|
||||
}
|
||||
|
||||
if (resolution <= VideoResolution.H_480P) {
|
||||
// quality according to Google Live Encoder: 500 - 2,000 Kbps
|
||||
// Quality according to YouTube Video Info: 1300 Kbps
|
||||
return 1500 * 1000
|
||||
}
|
||||
|
||||
if (resolution <= VideoResolution.H_720P) {
|
||||
// quality according to Google Live Encoder: 1,500 - 4,000 Kbps
|
||||
// Quality according to YouTube Video Info: 2680 Kbps
|
||||
return 2800 * 1000
|
||||
}
|
||||
|
||||
if (resolution <= VideoResolution.H_1080P) {
|
||||
// quality according to Google Live Encoder: 3000 - 6000 Kbps
|
||||
// Quality according to YouTube Video Info: 5081 Kbps
|
||||
return 5200 * 1000
|
||||
}
|
||||
|
||||
if (resolution <= VideoResolution.H_1440P) {
|
||||
// quality according to Google Live Encoder: 6000 - 13000 Kbps
|
||||
// Quality according to YouTube Video Info: 8600 (av01) - 17000 (vp9.2) Kbps
|
||||
return 10_000 * 1000
|
||||
}
|
||||
|
||||
// 4K
|
||||
// quality according to Google Live Encoder: 13000 - 34000 Kbps
|
||||
return 22_000 * 1000
|
||||
}
|
||||
|
||||
/**
|
||||
* Calculate the target bitrate based on video resolution and FPS.
|
||||
*
|
||||
* The calculation is based on two values:
|
||||
* Bitrate at VideoTranscodingFPS.AVERAGE is always the same as
|
||||
* getBaseBitrate(). Bitrate at VideoTranscodingFPS.MAX is always
|
||||
* getBaseBitrate() * 1.4. All other values are calculated linearly
|
||||
* between these two points.
|
||||
*/
|
||||
export function getTargetBitrate (resolution: number, fps: number, fpsTranscodingConstants: VideoTranscodingFPS) {
|
||||
const baseBitrate = getBaseBitrate(resolution)
|
||||
// The maximum bitrate, used when fps === VideoTranscodingFPS.MAX
|
||||
// Based on numbers from Youtube, 60 fps bitrate divided by 30 fps bitrate:
|
||||
// 720p: 2600 / 1750 = 1.49
|
||||
// 1080p: 4400 / 3300 = 1.33
|
||||
const maxBitrate = baseBitrate * 1.4
|
||||
const maxBitrateDifference = maxBitrate - baseBitrate
|
||||
const maxFpsDifference = fpsTranscodingConstants.MAX - fpsTranscodingConstants.AVERAGE
|
||||
// For 1080p video with default settings, this results in the following formula:
|
||||
// 3300 + (x - 30) * (1320/30)
|
||||
// Example outputs:
|
||||
// 1080p10: 2420 kbps, 1080p30: 3300 kbps, 1080p60: 4620 kbps
|
||||
// 720p10: 1283 kbps, 720p30: 1750 kbps, 720p60: 2450 kbps
|
||||
return Math.floor(baseBitrate + (fps - fpsTranscodingConstants.AVERAGE) * (maxBitrateDifference / maxFpsDifference))
|
||||
}
|
||||
|
||||
/**
|
||||
* The maximum bitrate we expect to see on a transcoded video in bytes per second.
|
||||
*/
|
||||
export function getMaxBitrate (resolution: VideoResolution, fps: number, fpsTranscodingConstants: VideoTranscodingFPS) {
|
||||
return getTargetBitrate(resolution, fps, fpsTranscodingConstants) * 2
|
||||
}
|
||||
|
@ -2,13 +2,23 @@ import { VideoResolution } from './video-resolution.enum'
|
||||
|
||||
// Types used by plugins and ffmpeg-utils
|
||||
|
||||
export type EncoderOptionsBuilder = (params: {
|
||||
export type EncoderOptionsBuilderParams = {
|
||||
input: string
|
||||
|
||||
resolution: VideoResolution
|
||||
inputBitrate: number
|
||||
|
||||
// Could be null for "merge audio" transcoding
|
||||
fps?: number
|
||||
|
||||
// Could be undefined if we could not get input bitrate (some RTMP streams for example)
|
||||
inputBitrate: number
|
||||
inputRatio: number
|
||||
|
||||
// For lives
|
||||
streamNum?: number
|
||||
}) => Promise<EncoderOptions> | EncoderOptions
|
||||
}
|
||||
|
||||
export type EncoderOptionsBuilder = (params: EncoderOptionsBuilderParams) => Promise<EncoderOptions> | EncoderOptions
|
||||
|
||||
export interface EncoderOptions {
|
||||
copy?: boolean // Copy stream? Default to false
|
||||
|
Loading…
Reference in New Issue
Block a user