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Code Issues Releases Wiki Activity

Support transcoding options/encoders by plugins

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Chocobozzz 2021-01-28 15:52:44 +01:00
parent 529b37527c
commit 1896bca09e
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GPG key ID: 583A612D890159BE
32 changed files with 754 additions and 135 deletions
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108
server/helpers/ffmpeg-utils.ts
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@ -3,9 +3,9 @@ import * as ffmpeg from 'fluent-ffmpeg'
import { readFile, remove, writeFile } from 'fs-extra'
import { dirname, join } from 'path'
import { FFMPEG_NICE, VIDEO_LIVE } from '@server/initializers/constants'
import { VideoResolution } from '../../shared/models/videos'
import { checkFFmpegEncoders } from '../initializers/checker-before-init'
import { AvailableEncoders, EncoderOptionsBuilder, EncoderProfile, VideoResolution } from '../../shared/models/videos'
import { CONFIG } from '../initializers/config'
import { promisify0 } from './core-utils'
import { computeFPS, getAudioStream, getVideoFileFPS } from './ffprobe-utils'
import { processImage } from './image-utils'
import { logger } from './logger'
@ -21,47 +21,46 @@ import { logger } from './logger'
// Encoder options
// ---------------------------------------------------------------------------
// Options builders
export type EncoderOptionsBuilder = (params: {
input: string
resolution: VideoResolution
fps?: number
streamNum?: number
}) => Promise<EncoderOptions> | EncoderOptions
// Options types
export interface EncoderOptions {
copy?: boolean
outputOptions: string[]
}
// All our encoders
export interface EncoderProfile <T> {
[ profile: string ]: T
default: T
}
export type AvailableEncoders = {
live: {
[ encoder: string ]: EncoderProfile<EncoderOptionsBuilder>
}
vod: {
[ encoder: string ]: EncoderProfile<EncoderOptionsBuilder>
}
encodersToTry: {
video: string[]
audio: string[]
}
}
type StreamType = 'audio' | 'video'
// ---------------------------------------------------------------------------
// Encoders support
// ---------------------------------------------------------------------------
// Detect supported encoders by ffmpeg
let supportedEncoders: Map<string, boolean>
async function checkFFmpegEncoders (peertubeAvailableEncoders: AvailableEncoders): Promise<Map<string, boolean>> {
if (supportedEncoders !== undefined) {
return supportedEncoders
}
const getAvailableEncodersPromise = promisify0(ffmpeg.getAvailableEncoders)
const availableFFmpegEncoders = await getAvailableEncodersPromise()
const searchEncoders = new Set<string>()
for (const type of [ 'live', 'vod' ]) {
for (const streamType of [ 'audio', 'video' ]) {
for (const encoder of peertubeAvailableEncoders.encodersToTry[type][streamType]) {
searchEncoders.add(encoder)
}
}
}
supportedEncoders = new Map<string, boolean>()
for (const searchEncoder of searchEncoders) {
supportedEncoders.set(searchEncoder, availableFFmpegEncoders[searchEncoder] !== undefined)
}
logger.info('Built supported ffmpeg encoders.', { supportedEncoders, searchEncoders })
return supportedEncoders
}
function resetSupportedEncoders () {
supportedEncoders = undefined
}
// ---------------------------------------------------------------------------
// Image manipulation
// ---------------------------------------------------------------------------
@ -275,7 +274,7 @@ async function getLiveTranscodingCommand (options: {
addDefaultEncoderParams({ command, encoder: builderResult.encoder, fps: resolutionFPS, streamNum: i })
logger.debug('Apply ffmpeg live video params from %s.', builderResult.encoder, builderResult)
logger.debug('Apply ffmpeg live video params from %s using %s profile.', builderResult.encoder, profile, builderResult)
command.outputOption(`${buildStreamSuffix('-c:v', i)} ${builderResult.encoder}`)
command.addOutputOptions(builderResult.result.outputOptions)
@ -292,7 +291,7 @@ async function getLiveTranscodingCommand (options: {
addDefaultEncoderParams({ command, encoder: builderResult.encoder, fps: resolutionFPS, streamNum: i })
logger.debug('Apply ffmpeg live audio params from %s.', builderResult.encoder, builderResult)
logger.debug('Apply ffmpeg live audio params from %s using %s profile.', builderResult.encoder, profile, builderResult)
command.outputOption(`${buildStreamSuffix('-c:a', i)} ${builderResult.encoder}`)
command.addOutputOptions(builderResult.result.outputOptions)
@ -513,11 +512,19 @@ async function getEncoderBuilderResult (options: {
}) {
const { availableEncoders, input, profile, resolution, streamType, fps, streamNum, videoType } = options
const encodersToTry = availableEncoders.encodersToTry[streamType]
const encoders = availableEncoders[videoType]
const encodersToTry = availableEncoders.encodersToTry[videoType][streamType]
const encoders = availableEncoders.available[videoType]
for (const encoder of encodersToTry) {
if (!(await checkFFmpegEncoders()).get(encoder) || !encoders[encoder]) continue
if (!(await checkFFmpegEncoders(availableEncoders)).get(encoder)) {
logger.debug('Encoder %s not available in ffmpeg, skipping.', encoder)
continue
}
if (!encoders[encoder]) {
logger.debug('Encoder %s not available in peertube encoders, skipping.', encoder)
continue
}
// An object containing available profiles for this encoder
const builderProfiles: EncoderProfile<EncoderOptionsBuilder> = encoders[encoder]
@ -567,7 +574,7 @@ async function presetVideo (
if (!parsedAudio.audioStream) {
localCommand = localCommand.noAudio()
streamsToProcess = [ 'audio' ]
streamsToProcess = [ 'video' ]
}
for (const streamType of streamsToProcess) {
@ -587,7 +594,10 @@ async function presetVideo (
throw new Error('No available encoder found for stream ' + streamType)
}
logger.debug('Apply ffmpeg params from %s.', builderResult.encoder, builderResult)
logger.debug(
'Apply ffmpeg params from %s for %s stream of input %s using %s profile.',
builderResult.encoder, streamType, input, profile, builderResult
)
if (streamType === 'video') {
localCommand.videoCodec(builderResult.encoder)
@ -679,6 +689,8 @@ export {
transcode,
runCommand,
resetSupportedEncoders,
// builders
buildx264VODCommand
}