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Move to eslint

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Chocobozzz 2020-01-31 16:56:52 +01:00
parent a22046d166
commit a15871560f
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GPG key ID: 583A612D890159BE
390 changed files with 3950 additions and 3615 deletions
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179
server/helpers/ffmpeg-utils.ts
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@ -1,6 +1,6 @@
import * as ffmpeg from 'fluent-ffmpeg'
import { dirname, join } from 'path'
import { getTargetBitrate, getMaxBitrate, VideoResolution } from '../../shared/models/videos'
import { getMaxBitrate, getTargetBitrate, VideoResolution } from '../../shared/models/videos'
import { FFMPEG_NICE, VIDEO_TRANSCODING_FPS } from '../initializers/constants'
import { processImage } from './image-utils'
import { logger } from './logger'
@ -8,6 +8,71 @@ import { checkFFmpegEncoders } from '../initializers/checker-before-init'
import { readFile, remove, writeFile } from 'fs-extra'
import { CONFIG } from '../initializers/config'
/**
* A toolbox to play with audio
*/
namespace audio {
export const get = (videoPath: string) => {
// without position, ffprobe considers the last input only
// we make it consider the first input only
// if you pass a file path to pos, then ffprobe acts on that file directly
return new Promise<{ absolutePath: string, audioStream?: any }>((res, rej) => {
function parseFfprobe (err: any, data: ffmpeg.FfprobeData) {
if (err) return rej(err)
if ('streams' in data) {
const audioStream = data.streams.find(stream => stream['codec_type'] === 'audio')
if (audioStream) {
return res({
absolutePath: data.format.filename,
audioStream
})
}
}
return res({ absolutePath: data.format.filename })
}
return ffmpeg.ffprobe(videoPath, parseFfprobe)
})
}
export namespace bitrate {
const baseKbitrate = 384
const toBits = (kbits: number) => kbits * 8000
export const aac = (bitrate: number): number => {
switch (true) {
case bitrate > toBits(baseKbitrate):
return baseKbitrate
default:
return -1 // we interpret it as a signal to copy the audio stream as is
}
}
export const mp3 = (bitrate: number): number => {
/*
a 192kbit/sec mp3 doesn't hold as much information as a 192kbit/sec aac.
That's why, when using aac, we can go to lower kbit/sec. The equivalences
made here are not made to be accurate, especially with good mp3 encoders.
*/
switch (true) {
case bitrate <= toBits(192):
return 128
case bitrate <= toBits(384):
return 256
default:
return baseKbitrate
}
}
}
}
function computeResolutionsToTranscode (videoFileHeight: number) {
const resolutionsEnabled: number[] = []
const configResolutions = CONFIG.TRANSCODING.RESOLUTIONS
@ -24,7 +89,7 @@ function computeResolutionsToTranscode (videoFileHeight: number) {
]
for (const resolution of resolutions) {
if (configResolutions[ resolution + 'p' ] === true && videoFileHeight > resolution) {
if (configResolutions[resolution + 'p'] === true && videoFileHeight > resolution) {
resolutionsEnabled.push(resolution)
}
}
@ -48,9 +113,9 @@ async function getVideoStreamCodec (path: string) {
const videoCodec = videoStream.codec_tag_string
const baseProfileMatrix = {
'High': '6400',
'Main': '4D40',
'Baseline': '42E0'
High: '6400',
Main: '4D40',
Baseline: '42E0'
}
let baseProfile = baseProfileMatrix[videoStream.profile]
@ -91,7 +156,7 @@ async function getVideoFileFPS (path: string) {
if (videoStream === null) return 0
for (const key of [ 'avg_frame_rate', 'r_frame_rate' ]) {
const valuesText: string = videoStream[ key ]
const valuesText: string = videoStream[key]
if (!valuesText) continue
const [ frames, seconds ] = valuesText.split('/')
@ -191,7 +256,8 @@ interface OnlyAudioTranscodeOptions extends BaseTranscodeOptions {
type: 'only-audio'
}
type TranscodeOptions = HLSTranscodeOptions
type TranscodeOptions =
HLSTranscodeOptions
| VideoTranscodeOptions
| MergeAudioTranscodeOptions
| OnlyAudioTranscodeOptions
@ -204,13 +270,13 @@ function transcode (options: TranscodeOptions) {
.output(options.outputPath)
if (options.type === 'quick-transcode') {
command = await buildQuickTranscodeCommand(command)
command = buildQuickTranscodeCommand(command)
} else if (options.type === 'hls') {
command = await buildHLSCommand(command, options)
} else if (options.type === 'merge-audio') {
command = await buildAudioMergeCommand(command, options)
} else if (options.type === 'only-audio') {
command = await buildOnlyAudioCommand(command, options)
command = buildOnlyAudioCommand(command, options)
} else {
command = await buildx264Command(command, options)
}
@ -247,17 +313,17 @@ async function canDoQuickTranscode (path: string): Promise<boolean> {
// check video params
if (videoStream == null) return false
if (videoStream[ 'codec_name' ] !== 'h264') return false
if (videoStream[ 'pix_fmt' ] !== 'yuv420p') return false
if (videoStream['codec_name'] !== 'h264') return false
if (videoStream['pix_fmt'] !== 'yuv420p') return false
if (fps < VIDEO_TRANSCODING_FPS.MIN || fps > VIDEO_TRANSCODING_FPS.MAX) return false
if (bitRate > getMaxBitrate(resolution.videoFileResolution, fps, VIDEO_TRANSCODING_FPS)) return false
// check audio params (if audio stream exists)
if (parsedAudio.audioStream) {
if (parsedAudio.audioStream[ 'codec_name' ] !== 'aac') return false
if (parsedAudio.audioStream['codec_name'] !== 'aac') return false
const maxAudioBitrate = audio.bitrate[ 'aac' ](parsedAudio.audioStream[ 'bit_rate' ])
if (maxAudioBitrate !== -1 && parsedAudio.audioStream[ 'bit_rate' ] > maxAudioBitrate) return false
const maxAudioBitrate = audio.bitrate['aac'](parsedAudio.audioStream['bit_rate'])
if (maxAudioBitrate !== -1 && parsedAudio.audioStream['bit_rate'] > maxAudioBitrate) return false
}
return true
@ -333,14 +399,14 @@ async function buildAudioMergeCommand (command: ffmpeg.FfmpegCommand, options: M
return command
}
async function buildOnlyAudioCommand (command: ffmpeg.FfmpegCommand, options: OnlyAudioTranscodeOptions) {
command = await presetOnlyAudio(command)
function buildOnlyAudioCommand (command: ffmpeg.FfmpegCommand, options: OnlyAudioTranscodeOptions) {
command = presetOnlyAudio(command)
return command
}
async function buildQuickTranscodeCommand (command: ffmpeg.FfmpegCommand) {
command = await presetCopy(command)
function buildQuickTranscodeCommand (command: ffmpeg.FfmpegCommand) {
command = presetCopy(command)
command = command.outputOption('-map_metadata -1') // strip all metadata
.outputOption('-movflags faststart')
@ -351,7 +417,7 @@ async function buildQuickTranscodeCommand (command: ffmpeg.FfmpegCommand) {
async function buildHLSCommand (command: ffmpeg.FfmpegCommand, options: HLSTranscodeOptions) {
const videoPath = getHLSVideoPath(options)
if (options.copyCodecs) command = await presetCopy(command)
if (options.copyCodecs) command = presetCopy(command)
else command = await buildx264Command(command, options)
command = command.outputOption('-hls_time 4')
@ -418,71 +484,6 @@ async function presetH264VeryFast (command: ffmpeg.FfmpegCommand, input: string,
return localCommand
}
/**
* A toolbox to play with audio
*/
namespace audio {
export const get = (videoPath: string) => {
// without position, ffprobe considers the last input only
// we make it consider the first input only
// if you pass a file path to pos, then ffprobe acts on that file directly
return new Promise<{ absolutePath: string, audioStream?: any }>((res, rej) => {
function parseFfprobe (err: any, data: ffmpeg.FfprobeData) {
if (err) return rej(err)
if ('streams' in data) {
const audioStream = data.streams.find(stream => stream[ 'codec_type' ] === 'audio')
if (audioStream) {
return res({
absolutePath: data.format.filename,
audioStream
})
}
}
return res({ absolutePath: data.format.filename })
}
return ffmpeg.ffprobe(videoPath, parseFfprobe)
})
}
export namespace bitrate {
const baseKbitrate = 384
const toBits = (kbits: number) => kbits * 8000
export const aac = (bitrate: number): number => {
switch (true) {
case bitrate > toBits(baseKbitrate):
return baseKbitrate
default:
return -1 // we interpret it as a signal to copy the audio stream as is
}
}
export const mp3 = (bitrate: number): number => {
/*
a 192kbit/sec mp3 doesn't hold as much information as a 192kbit/sec aac.
That's why, when using aac, we can go to lower kbit/sec. The equivalences
made here are not made to be accurate, especially with good mp3 encoders.
*/
switch (true) {
case bitrate <= toBits(192):
return 128
case bitrate <= toBits(384):
return 256
default:
return baseKbitrate
}
}
}
}
/**
* Standard profile, with variable bitrate audio and faststart.
*
@ -513,10 +514,10 @@ async function presetH264 (command: ffmpeg.FfmpegCommand, input: string, resolut
// of course this is far from perfect, but it might save some space in the end
localCommand = localCommand.audioCodec('aac')
const audioCodecName = parsedAudio.audioStream[ 'codec_name' ]
const audioCodecName = parsedAudio.audioStream['codec_name']
if (audio.bitrate[ audioCodecName ]) {
const bitrate = audio.bitrate[ audioCodecName ](parsedAudio.audioStream[ 'bit_rate' ])
if (audio.bitrate[audioCodecName]) {
const bitrate = audio.bitrate[audioCodecName](parsedAudio.audioStream['bit_rate'])
if (bitrate !== undefined && bitrate !== -1) localCommand = localCommand.audioBitrate(bitrate)
}
}
@ -537,14 +538,14 @@ async function presetH264 (command: ffmpeg.FfmpegCommand, input: string, resolut
return localCommand
}
async function presetCopy (command: ffmpeg.FfmpegCommand): Promise<ffmpeg.FfmpegCommand> {
function presetCopy (command: ffmpeg.FfmpegCommand): ffmpeg.FfmpegCommand {
return command
.format('mp4')
.videoCodec('copy')
.audioCodec('copy')
}
async function presetOnlyAudio (command: ffmpeg.FfmpegCommand): Promise<ffmpeg.FfmpegCommand> {
function presetOnlyAudio (command: ffmpeg.FfmpegCommand): ffmpeg.FfmpegCommand {
return command
.format('mp4')
.audioCodec('copy')