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Code Issues Releases Wiki Activity

Fixing #626 with ffmpeg's low default audio bitrate

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Rigel Kent 2018-05-21 13:14:29 +02:00 • committed by Chocobozzz
parent e80687c458
commit 4176e227cb
4 changed files with 153 additions and 16 deletions
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28
server/initializers/checker.ts
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@ -84,11 +84,11 @@ function checkMissedConfig () {
async function checkFFmpeg (CONFIG: { TRANSCODING: { ENABLED: boolean } }) {
const Ffmpeg = require('fluent-ffmpeg')
const getAvailableCodecsPromise = promisify0(Ffmpeg.getAvailableCodecs)
const codecs = await getAvailableCodecsPromise()
const canEncode = [ 'libx264' ]
if (CONFIG.TRANSCODING.ENABLED === false) return undefined
const canEncode = [ 'libx264' ]
for (const codec of canEncode) {
if (codecs[codec] === undefined) {
throw new Error('Unknown codec ' + codec + ' in FFmpeg.')
@ -98,6 +98,29 @@ async function checkFFmpeg (CONFIG: { TRANSCODING: { ENABLED: boolean } }) {
throw new Error('Unavailable encode codec ' + codec + ' in FFmpeg')
}
}
checkFFmpegEncoders()
}
// Optional encoders, if present, can be used to improve transcoding
// Here we ask ffmpeg if it detects their presence on the system, so that we can later use them
let supportedOptionalEncoders: Map<string, boolean>
async function checkFFmpegEncoders (): Promise<Map<string, boolean>> {
if (supportedOptionalEncoders !== undefined) {
return supportedOptionalEncoders
}
const Ffmpeg = require('fluent-ffmpeg')
const getAvailableEncodersPromise = promisify0(Ffmpeg.getAvailableEncoders)
const encoders = await getAvailableEncodersPromise()
const optionalEncoders = [ 'libfdk_aac' ]
supportedOptionalEncoders = new Map<string, boolean>()
for (const encoder of optionalEncoders) {
supportedOptionalEncoders.set(encoder,
encoders[encoder] !== undefined
)
}
}
// We get db by param to not import it in this file (import orders)
@ -126,6 +149,7 @@ async function applicationExist () {
export {
checkConfig,
checkFFmpeg,
checkFFmpegEncoders,
checkMissedConfig,
clientsExist,
usersExist,