mirror of https://github.com/Chocobozzz/PeerTube
				
				
				
			
		
			
				
	
	
		
			81 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			TypeScript
		
	
	
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/ffmpeg-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/video-transcoding'
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import { initDatabaseModels } from '../server/initializers'
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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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run()
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  .then(() => process.exit(0))
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  .catch(err => {
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    console.error(err)
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    process.exit(-1)
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  })
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let currentVideoId = null
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let currentFile = null
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process.on('SIGINT', async function () {
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  console.log('Cleaning up temp files')
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  await remove(`${currentFile}_backup`)
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  await remove(`${dirname(currentFile)}/${currentVideoId}-transcoded.mp4`)
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  process.exit(0)
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})
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async function run () {
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  await initDatabaseModels(true)
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  const localVideos = await VideoModel.listLocal()
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  for (const video of localVideos) {
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    currentVideoId = video.id
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    for (const file of video.VideoFiles) {
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      currentFile = getVideoFilePath(video, file)
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      const [ videoBitrate, fps, resolution ] = await Promise.all([
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        getVideoFileBitrate(currentFile),
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        getVideoFileFPS(currentFile),
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        getVideoFileResolution(currentFile)
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      ])
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      const maxBitrate = getMaxBitrate(resolution.videoFileResolution, fps, VIDEO_TRANSCODING_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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          'Optimizing video file %s with bitrate %s kbps (max: %s kbps)',
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          basename(currentFile), videoBitrate / 1000, maxBitrate / 1000
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        )
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        const backupFile = `${currentFile}_backup`
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        await copy(currentFile, backupFile)
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        await optimizeOriginalVideofile(video, file)
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        const originalDuration = await getDurationFromVideoFile(backupFile)
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        const newDuration = await getDurationFromVideoFile(currentFile)
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        if (originalDuration === newDuration) {
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          console.log('Finished optimizing %s', basename(currentFile))
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          await remove(backupFile)
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          continue
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        }
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        console.log('Failed to optimize %s, restoring original', basename(currentFile))
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        await move(backupFile, currentFile, { overwrite: true })
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        await createTorrentAndSetInfoHash(video, file)
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        await file.save()
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      }
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    }
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  }
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  console.log('Finished optimizing videos')
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}
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