aboutsummaryrefslogtreecommitdiffhomepage
path: root/server/lib/video-file.ts
blob: 8fcc3c2532677eb419e5e89c24bef41358286fdc (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
import { FfprobeData } from 'fluent-ffmpeg'
import { logger } from '@server/helpers/logger'
import { VideoFileModel } from '@server/models/video/video-file'
import { MVideoWithAllFiles } from '@server/types/models'
import { getLowercaseExtension } from '@shared/core-utils'
import { getFileSize } from '@shared/extra-utils'
import { ffprobePromise, getVideoStreamDimensionsInfo, getVideoStreamFPS, isAudioFile } from '@shared/ffmpeg'
import { VideoFileMetadata, VideoResolution } from '@shared/models'
import { lTags } from './object-storage/shared'
import { generateHLSVideoFilename, generateWebTorrentVideoFilename } from './paths'

async function buildNewFile (options: {
  path: string
  mode: 'web-video' | 'hls'
}) {
  const { path, mode } = options

  const probe = await ffprobePromise(path)
  const size = await getFileSize(path)

  const videoFile = new VideoFileModel({
    extname: getLowercaseExtension(path),
    size,
    metadata: await buildFileMetadata(path, probe)
  })

  if (await isAudioFile(path, probe)) {
    videoFile.resolution = VideoResolution.H_NOVIDEO
  } else {
    videoFile.fps = await getVideoStreamFPS(path, probe)
    videoFile.resolution = (await getVideoStreamDimensionsInfo(path, probe)).resolution
  }

  videoFile.filename = mode === 'web-video'
    ? generateWebTorrentVideoFilename(videoFile.resolution, videoFile.extname)
    : generateHLSVideoFilename(videoFile.resolution)

  return videoFile
}

// ---------------------------------------------------------------------------

async function removeHLSPlaylist (video: MVideoWithAllFiles) {
  const hls = video.getHLSPlaylist()
  if (!hls) return

  await video.removeStreamingPlaylistFiles(hls)
  await hls.destroy()

  video.VideoStreamingPlaylists = video.VideoStreamingPlaylists.filter(p => p.id !== hls.id)
}

async function removeHLSFile (video: MVideoWithAllFiles, fileToDeleteId: number) {
  logger.info('Deleting HLS file %d of %s.', fileToDeleteId, video.url, lTags(video.uuid))

  const hls = video.getHLSPlaylist()
  const files = hls.VideoFiles

  if (files.length === 1) {
    await removeHLSPlaylist(video)
    return undefined
  }

  const toDelete = files.find(f => f.id === fileToDeleteId)
  await video.removeStreamingPlaylistVideoFile(video.getHLSPlaylist(), toDelete)
  await toDelete.destroy()

  hls.VideoFiles = hls.VideoFiles.filter(f => f.id !== toDelete.id)

  return hls
}

// ---------------------------------------------------------------------------

async function removeAllWebTorrentFiles (video: MVideoWithAllFiles) {
  for (const file of video.VideoFiles) {
    await video.removeWebTorrentFile(file)
    await file.destroy()
  }

  video.VideoFiles = []

  return video
}

async function removeWebTorrentFile (video: MVideoWithAllFiles, fileToDeleteId: number) {
  const files = video.VideoFiles

  if (files.length === 1) {
    return removeAllWebTorrentFiles(video)
  }

  const toDelete = files.find(f => f.id === fileToDeleteId)
  await video.removeWebTorrentFile(toDelete)
  await toDelete.destroy()

  video.VideoFiles = files.filter(f => f.id !== toDelete.id)

  return video
}

// ---------------------------------------------------------------------------

async function buildFileMetadata (path: string, existingProbe?: FfprobeData) {
  const metadata = existingProbe || await ffprobePromise(path)

  return new VideoFileMetadata(metadata)
}

// ---------------------------------------------------------------------------

export {
  buildNewFile,

  removeHLSPlaylist,
  removeHLSFile,
  removeAllWebTorrentFiles,
  removeWebTorrentFile,

  buildFileMetadata
}