From 0c9668f77901e7540e2c7045eb0f2974a4842a69 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Fri, 21 Apr 2023 14:55:10 +0200
Subject: Implement remote runner jobs in server

Move ffmpeg functions to @shared
---
 server/helpers/ffmpeg/ffmpeg-commons.ts | 114 --------------------------------
 1 file changed, 114 deletions(-)
 delete mode 100644 server/helpers/ffmpeg/ffmpeg-commons.ts

(limited to 'server/helpers/ffmpeg/ffmpeg-commons.ts')

diff --git a/server/helpers/ffmpeg/ffmpeg-commons.ts b/server/helpers/ffmpeg/ffmpeg-commons.ts
deleted file mode 100644
index 3906a2089..000000000
--- a/server/helpers/ffmpeg/ffmpeg-commons.ts
+++ /dev/null
@@ -1,114 +0,0 @@
-import { Job } from 'bullmq'
-import ffmpeg, { FfmpegCommand } from 'fluent-ffmpeg'
-import { execPromise } from '@server/helpers/core-utils'
-import { logger, loggerTagsFactory } from '@server/helpers/logger'
-import { CONFIG } from '@server/initializers/config'
-import { FFMPEG_NICE } from '@server/initializers/constants'
-import { EncoderOptions } from '@shared/models'
-
-const lTags = loggerTagsFactory('ffmpeg')
-
-type StreamType = 'audio' | 'video'
-
-function getFFmpeg (input: string, type: 'live' | 'vod') {
-  // We set cwd explicitly because ffmpeg appears to create temporary files when trancoding which fails in read-only file systems
-  const command = ffmpeg(input, {
-    niceness: type === 'live' ? FFMPEG_NICE.LIVE : FFMPEG_NICE.VOD,
-    cwd: CONFIG.STORAGE.TMP_DIR
-  })
-
-  const threads = type === 'live'
-    ? CONFIG.LIVE.TRANSCODING.THREADS
-    : CONFIG.TRANSCODING.THREADS
-
-  if (threads > 0) {
-    // If we don't set any threads ffmpeg will chose automatically
-    command.outputOption('-threads ' + threads)
-  }
-
-  return command
-}
-
-function getFFmpegVersion () {
-  return new Promise<string>((res, rej) => {
-    (ffmpeg() as any)._getFfmpegPath((err, ffmpegPath) => {
-      if (err) return rej(err)
-      if (!ffmpegPath) return rej(new Error('Could not find ffmpeg path'))
-
-      return execPromise(`${ffmpegPath} -version`)
-        .then(stdout => {
-          const parsed = stdout.match(/ffmpeg version .?(\d+\.\d+(\.\d+)?)/)
-          if (!parsed?.[1]) return rej(new Error(`Could not find ffmpeg version in ${stdout}`))
-
-          // Fix ffmpeg version that does not include patch version (4.4 for example)
-          let version = parsed[1]
-          if (version.match(/^\d+\.\d+$/)) {
-            version += '.0'
-          }
-
-          return res(version)
-        })
-        .catch(err => rej(err))
-    })
-  })
-}
-
-async function runCommand (options: {
-  command: FfmpegCommand
-  silent?: boolean // false by default
-  job?: Job
-}) {
-  const { command, silent = false, job } = options
-
-  return new Promise<void>((res, rej) => {
-    let shellCommand: string
-
-    command.on('start', cmdline => { shellCommand = cmdline })
-
-    command.on('error', (err, stdout, stderr) => {
-      if (silent !== true) logger.error('Error in ffmpeg.', { stdout, stderr, shellCommand, ...lTags() })
-
-      rej(err)
-    })
-
-    command.on('end', (stdout, stderr) => {
-      logger.debug('FFmpeg command ended.', { stdout, stderr, shellCommand, ...lTags() })
-
-      res()
-    })
-
-    if (job) {
-      command.on('progress', progress => {
-        if (!progress.percent) return
-
-        job.updateProgress(Math.round(progress.percent))
-          .catch(err => logger.warn('Cannot set ffmpeg job progress.', { err, ...lTags() }))
-      })
-    }
-
-    command.run()
-  })
-}
-
-function buildStreamSuffix (base: string, streamNum?: number) {
-  if (streamNum !== undefined) {
-    return `${base}:${streamNum}`
-  }
-
-  return base
-}
-
-function getScaleFilter (options: EncoderOptions): string {
-  if (options.scaleFilter) return options.scaleFilter.name
-
-  return 'scale'
-}
-
-export {
-  getFFmpeg,
-  getFFmpegVersion,
-  runCommand,
-  StreamType,
-  buildStreamSuffix,
-  getScaleFilter
-}
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