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1 | import { Job } from 'bull' | |
2 | import { copyFile, ensureDir, move, remove, stat } from 'fs-extra' | |
3 | import { basename, extname as extnameUtil, join } from 'path' | |
4 | import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent' | |
5 | import { MStreamingPlaylistFilesVideo, MVideoFile, MVideoWithAllFiles, MVideoWithFile } from '@server/types/models' | |
6 | import { VideoResolution } from '../../shared/models/videos' | |
7 | import { VideoStreamingPlaylistType } from '../../shared/models/videos/video-streaming-playlist.type' | |
8 | import { transcode, TranscodeOptions, TranscodeOptionsType } from '../helpers/ffmpeg-utils' | |
9 | import { canDoQuickTranscode, getDurationFromVideoFile, getMetadataFromFile, getVideoFileFPS } from '../helpers/ffprobe-utils' | |
10 | import { logger } from '../helpers/logger' | |
11 | import { CONFIG } from '../initializers/config' | |
12 | import { HLS_STREAMING_PLAYLIST_DIRECTORY, P2P_MEDIA_LOADER_PEER_VERSION, WEBSERVER } from '../initializers/constants' | |
13 | import { VideoFileModel } from '../models/video/video-file' | |
14 | import { VideoStreamingPlaylistModel } from '../models/video/video-streaming-playlist' | |
15 | import { updateMasterHLSPlaylist, updateSha256VODSegments } from './hls' | |
16 | import { generateVideoStreamingPlaylistName, getVideoFilename, getVideoFilePath } from './video-paths' | |
17 | import { VideoTranscodingProfilesManager } from './video-transcoding-profiles' | |
18 | ||
19 | /** | |
20 | * | |
21 | * Functions that run transcoding functions, update the database, cleanup files, create torrent files... | |
22 | * Mainly called by the job queue | |
23 | * | |
24 | */ | |
25 | ||
26 | // Optimize the original video file and replace it. The resolution is not changed. | |
27 | async function optimizeOriginalVideofile (video: MVideoWithFile, inputVideoFile: MVideoFile, job?: Job) { | |
28 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
29 | const newExtname = '.mp4' | |
30 | ||
31 | const videoInputPath = getVideoFilePath(video, inputVideoFile) | |
32 | const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname) | |
33 | ||
34 | const transcodeType: TranscodeOptionsType = await canDoQuickTranscode(videoInputPath) | |
35 | ? 'quick-transcode' | |
36 | : 'video' | |
37 | ||
38 | const transcodeOptions: TranscodeOptions = { | |
39 | type: transcodeType, | |
40 | ||
41 | inputPath: videoInputPath, | |
42 | outputPath: videoTranscodedPath, | |
43 | ||
44 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
45 | profile: CONFIG.TRANSCODING.PROFILE, | |
46 | ||
47 | resolution: inputVideoFile.resolution, | |
48 | ||
49 | job | |
50 | } | |
51 | ||
52 | // Could be very long! | |
53 | await transcode(transcodeOptions) | |
54 | ||
55 | try { | |
56 | await remove(videoInputPath) | |
57 | ||
58 | // Important to do this before getVideoFilename() to take in account the new file extension | |
59 | inputVideoFile.extname = newExtname | |
60 | ||
61 | const videoOutputPath = getVideoFilePath(video, inputVideoFile) | |
62 | ||
63 | await onWebTorrentVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath) | |
64 | ||
65 | return transcodeType | |
66 | } catch (err) { | |
67 | // Auto destruction... | |
68 | video.destroy().catch(err => logger.error('Cannot destruct video after transcoding failure.', { err })) | |
69 | ||
70 | throw err | |
71 | } | |
72 | } | |
73 | ||
74 | // Transcode the original video file to a lower resolution. | |
75 | async function transcodeNewWebTorrentResolution (video: MVideoWithFile, resolution: VideoResolution, isPortrait: boolean, job: Job) { | |
76 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
77 | const extname = '.mp4' | |
78 | ||
79 | // We are sure it's x264 in mp4 because optimizeOriginalVideofile was already executed | |
80 | const videoInputPath = getVideoFilePath(video, video.getMaxQualityFile()) | |
81 | ||
82 | const newVideoFile = new VideoFileModel({ | |
83 | resolution, | |
84 | extname, | |
85 | size: 0, | |
86 | videoId: video.id | |
87 | }) | |
88 | const videoOutputPath = getVideoFilePath(video, newVideoFile) | |
89 | const videoTranscodedPath = join(transcodeDirectory, getVideoFilename(video, newVideoFile)) | |
90 | ||
91 | const transcodeOptions = resolution === VideoResolution.H_NOVIDEO | |
92 | ? { | |
93 | type: 'only-audio' as 'only-audio', | |
94 | ||
95 | inputPath: videoInputPath, | |
96 | outputPath: videoTranscodedPath, | |
97 | ||
98 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
99 | profile: CONFIG.TRANSCODING.PROFILE, | |
100 | ||
101 | resolution, | |
102 | ||
103 | job | |
104 | } | |
105 | : { | |
106 | type: 'video' as 'video', | |
107 | inputPath: videoInputPath, | |
108 | outputPath: videoTranscodedPath, | |
109 | ||
110 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
111 | profile: CONFIG.TRANSCODING.PROFILE, | |
112 | ||
113 | resolution, | |
114 | isPortraitMode: isPortrait, | |
115 | ||
116 | job | |
117 | } | |
118 | ||
119 | await transcode(transcodeOptions) | |
120 | ||
121 | return onWebTorrentVideoFileTranscoding(video, newVideoFile, videoTranscodedPath, videoOutputPath) | |
122 | } | |
123 | ||
124 | // Merge an image with an audio file to create a video | |
125 | async function mergeAudioVideofile (video: MVideoWithAllFiles, resolution: VideoResolution, job: Job) { | |
126 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
127 | const newExtname = '.mp4' | |
128 | ||
129 | const inputVideoFile = video.getMinQualityFile() | |
130 | ||
131 | const audioInputPath = getVideoFilePath(video, inputVideoFile) | |
132 | const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname) | |
133 | ||
134 | // If the user updates the video preview during transcoding | |
135 | const previewPath = video.getPreview().getPath() | |
136 | const tmpPreviewPath = join(CONFIG.STORAGE.TMP_DIR, basename(previewPath)) | |
137 | await copyFile(previewPath, tmpPreviewPath) | |
138 | ||
139 | const transcodeOptions = { | |
140 | type: 'merge-audio' as 'merge-audio', | |
141 | ||
142 | inputPath: tmpPreviewPath, | |
143 | outputPath: videoTranscodedPath, | |
144 | ||
145 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
146 | profile: CONFIG.TRANSCODING.PROFILE, | |
147 | ||
148 | audioPath: audioInputPath, | |
149 | resolution, | |
150 | ||
151 | job | |
152 | } | |
153 | ||
154 | try { | |
155 | await transcode(transcodeOptions) | |
156 | ||
157 | await remove(audioInputPath) | |
158 | await remove(tmpPreviewPath) | |
159 | } catch (err) { | |
160 | await remove(tmpPreviewPath) | |
161 | throw err | |
162 | } | |
163 | ||
164 | // Important to do this before getVideoFilename() to take in account the new file extension | |
165 | inputVideoFile.extname = newExtname | |
166 | ||
167 | const videoOutputPath = getVideoFilePath(video, inputVideoFile) | |
168 | // ffmpeg generated a new video file, so update the video duration | |
169 | // See https://trac.ffmpeg.org/ticket/5456 | |
170 | video.duration = await getDurationFromVideoFile(videoTranscodedPath) | |
171 | await video.save() | |
172 | ||
173 | return onWebTorrentVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath) | |
174 | } | |
175 | ||
176 | // Concat TS segments from a live video to a fragmented mp4 HLS playlist | |
177 | async function generateHlsPlaylistResolutionFromTS (options: { | |
178 | video: MVideoWithFile | |
179 | concatenatedTsFilePath: string | |
180 | resolution: VideoResolution | |
181 | isPortraitMode: boolean | |
182 | isAAC: boolean | |
183 | }) { | |
184 | return generateHlsPlaylistCommon({ | |
185 | video: options.video, | |
186 | resolution: options.resolution, | |
187 | isPortraitMode: options.isPortraitMode, | |
188 | inputPath: options.concatenatedTsFilePath, | |
189 | type: 'hls-from-ts' as 'hls-from-ts', | |
190 | isAAC: options.isAAC | |
191 | }) | |
192 | } | |
193 | ||
194 | // Generate an HLS playlist from an input file, and update the master playlist | |
195 | function generateHlsPlaylistResolution (options: { | |
196 | video: MVideoWithFile | |
197 | videoInputPath: string | |
198 | resolution: VideoResolution | |
199 | copyCodecs: boolean | |
200 | isPortraitMode: boolean | |
201 | job?: Job | |
202 | }) { | |
203 | return generateHlsPlaylistCommon({ | |
204 | video: options.video, | |
205 | resolution: options.resolution, | |
206 | copyCodecs: options.copyCodecs, | |
207 | isPortraitMode: options.isPortraitMode, | |
208 | inputPath: options.videoInputPath, | |
209 | type: 'hls' as 'hls', | |
210 | job: options.job | |
211 | }) | |
212 | } | |
213 | ||
214 | function getEnabledResolutions (type: 'vod' | 'live') { | |
215 | const transcoding = type === 'vod' | |
216 | ? CONFIG.TRANSCODING | |
217 | : CONFIG.LIVE.TRANSCODING | |
218 | ||
219 | return Object.keys(transcoding.RESOLUTIONS) | |
220 | .filter(key => transcoding.ENABLED && transcoding.RESOLUTIONS[key] === true) | |
221 | .map(r => parseInt(r, 10)) | |
222 | } | |
223 | ||
224 | // --------------------------------------------------------------------------- | |
225 | ||
226 | export { | |
227 | generateHlsPlaylistResolution, | |
228 | generateHlsPlaylistResolutionFromTS, | |
229 | optimizeOriginalVideofile, | |
230 | transcodeNewWebTorrentResolution, | |
231 | mergeAudioVideofile, | |
232 | getEnabledResolutions | |
233 | } | |
234 | ||
235 | // --------------------------------------------------------------------------- | |
236 | ||
237 | async function onWebTorrentVideoFileTranscoding ( | |
238 | video: MVideoWithFile, | |
239 | videoFile: MVideoFile, | |
240 | transcodingPath: string, | |
241 | outputPath: string | |
242 | ) { | |
243 | const stats = await stat(transcodingPath) | |
244 | const fps = await getVideoFileFPS(transcodingPath) | |
245 | const metadata = await getMetadataFromFile(transcodingPath) | |
246 | ||
247 | await move(transcodingPath, outputPath, { overwrite: true }) | |
248 | ||
249 | videoFile.size = stats.size | |
250 | videoFile.fps = fps | |
251 | videoFile.metadata = metadata | |
252 | ||
253 | await createTorrentAndSetInfoHash(video, videoFile) | |
254 | ||
255 | await VideoFileModel.customUpsert(videoFile, 'video', undefined) | |
256 | video.VideoFiles = await video.$get('VideoFiles') | |
257 | ||
258 | return video | |
259 | } | |
260 | ||
261 | async function generateHlsPlaylistCommon (options: { | |
262 | type: 'hls' | 'hls-from-ts' | |
263 | video: MVideoWithFile | |
264 | inputPath: string | |
265 | resolution: VideoResolution | |
266 | copyCodecs?: boolean | |
267 | isAAC?: boolean | |
268 | isPortraitMode: boolean | |
269 | ||
270 | job?: Job | |
271 | }) { | |
272 | const { type, video, inputPath, resolution, copyCodecs, isPortraitMode, isAAC, job } = options | |
273 | ||
274 | const baseHlsDirectory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid) | |
275 | await ensureDir(join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid)) | |
276 | ||
277 | const outputPath = join(baseHlsDirectory, VideoStreamingPlaylistModel.getHlsPlaylistFilename(resolution)) | |
278 | const videoFilename = generateVideoStreamingPlaylistName(video.uuid, resolution) | |
279 | ||
280 | const transcodeOptions = { | |
281 | type, | |
282 | ||
283 | inputPath, | |
284 | outputPath, | |
285 | ||
286 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
287 | profile: CONFIG.TRANSCODING.PROFILE, | |
288 | ||
289 | resolution, | |
290 | copyCodecs, | |
291 | isPortraitMode, | |
292 | ||
293 | isAAC, | |
294 | ||
295 | hlsPlaylist: { | |
296 | videoFilename | |
297 | }, | |
298 | ||
299 | job | |
300 | } | |
301 | ||
302 | await transcode(transcodeOptions) | |
303 | ||
304 | const playlistUrl = WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsMasterPlaylistStaticPath(video.uuid) | |
305 | ||
306 | const [ videoStreamingPlaylist ] = await VideoStreamingPlaylistModel.upsert({ | |
307 | videoId: video.id, | |
308 | playlistUrl, | |
309 | segmentsSha256Url: WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsSha256SegmentsStaticPath(video.uuid, video.isLive), | |
310 | p2pMediaLoaderInfohashes: [], | |
311 | p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION, | |
312 | ||
313 | type: VideoStreamingPlaylistType.HLS | |
314 | }, { returning: true }) as [ MStreamingPlaylistFilesVideo, boolean ] | |
315 | videoStreamingPlaylist.Video = video | |
316 | ||
317 | const newVideoFile = new VideoFileModel({ | |
318 | resolution, | |
319 | extname: extnameUtil(videoFilename), | |
320 | size: 0, | |
321 | fps: -1, | |
322 | videoStreamingPlaylistId: videoStreamingPlaylist.id | |
323 | }) | |
324 | ||
325 | const videoFilePath = getVideoFilePath(videoStreamingPlaylist, newVideoFile) | |
326 | const stats = await stat(videoFilePath) | |
327 | ||
328 | newVideoFile.size = stats.size | |
329 | newVideoFile.fps = await getVideoFileFPS(videoFilePath) | |
330 | newVideoFile.metadata = await getMetadataFromFile(videoFilePath) | |
331 | ||
332 | await createTorrentAndSetInfoHash(videoStreamingPlaylist, newVideoFile) | |
333 | ||
334 | await VideoFileModel.customUpsert(newVideoFile, 'streaming-playlist', undefined) | |
335 | videoStreamingPlaylist.VideoFiles = await videoStreamingPlaylist.$get('VideoFiles') | |
336 | ||
337 | videoStreamingPlaylist.p2pMediaLoaderInfohashes = VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes( | |
338 | playlistUrl, videoStreamingPlaylist.VideoFiles | |
339 | ) | |
340 | await videoStreamingPlaylist.save() | |
341 | ||
342 | video.setHLSPlaylist(videoStreamingPlaylist) | |
343 | ||
344 | await updateMasterHLSPlaylist(video) | |
345 | await updateSha256VODSegments(video) | |
346 | ||
347 | return outputPath | |
348 | } |