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1 | import { MutexInterface } from 'async-mutex' | |
2 | import { Job } from 'bullmq' | |
3 | import { copyFile, ensureDir, move, remove, stat } from 'fs-extra' | |
4 | import { basename, extname as extnameUtil, join } from 'path' | |
5 | import { toEven } from '@server/helpers/core-utils' | |
6 | import { retryTransactionWrapper } from '@server/helpers/database-utils' | |
7 | import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent' | |
8 | import { sequelizeTypescript } from '@server/initializers/database' | |
9 | import { MVideo, MVideoFile, MVideoFullLight } from '@server/types/models' | |
10 | import { pick } from '@shared/core-utils' | |
11 | import { VideoResolution, VideoStorage } from '../../../shared/models/videos' | |
12 | import { | |
13 | buildFileMetadata, | |
14 | canDoQuickTranscode, | |
15 | computeResolutionsToTranscode, | |
16 | ffprobePromise, | |
17 | getVideoStreamDuration, | |
18 | getVideoStreamFPS, | |
19 | transcodeVOD, | |
20 | TranscodeVODOptions, | |
21 | TranscodeVODOptionsType | |
22 | } from '../../helpers/ffmpeg' | |
23 | import { CONFIG } from '../../initializers/config' | |
24 | import { VideoFileModel } from '../../models/video/video-file' | |
25 | import { VideoStreamingPlaylistModel } from '../../models/video/video-streaming-playlist' | |
26 | import { updatePlaylistAfterFileChange } from '../hls' | |
27 | import { generateHLSVideoFilename, generateWebTorrentVideoFilename, getHlsResolutionPlaylistFilename } from '../paths' | |
28 | import { VideoPathManager } from '../video-path-manager' | |
29 | import { VideoTranscodingProfilesManager } from './default-transcoding-profiles' | |
30 | ||
31 | /** | |
32 | * | |
33 | * Functions that run transcoding functions, update the database, cleanup files, create torrent files... | |
34 | * Mainly called by the job queue | |
35 | * | |
36 | */ | |
37 | ||
38 | // Optimize the original video file and replace it. The resolution is not changed. | |
39 | async function optimizeOriginalVideofile (options: { | |
40 | video: MVideoFullLight | |
41 | inputVideoFile: MVideoFile | |
42 | job: Job | |
43 | }) { | |
44 | const { video, inputVideoFile, job } = options | |
45 | ||
46 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
47 | const newExtname = '.mp4' | |
48 | ||
49 | // Will be released by our transcodeVOD function once ffmpeg is ran | |
50 | const inputFileMutexReleaser = await VideoPathManager.Instance.lockFiles(video.uuid) | |
51 | ||
52 | try { | |
53 | await video.reload() | |
54 | ||
55 | const fileWithVideoOrPlaylist = inputVideoFile.withVideoOrPlaylist(video) | |
56 | ||
57 | const result = await VideoPathManager.Instance.makeAvailableVideoFile(fileWithVideoOrPlaylist, async videoInputPath => { | |
58 | const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname) | |
59 | ||
60 | const transcodeType: TranscodeVODOptionsType = await canDoQuickTranscode(videoInputPath) | |
61 | ? 'quick-transcode' | |
62 | : 'video' | |
63 | ||
64 | const resolution = buildOriginalFileResolution(inputVideoFile.resolution) | |
65 | ||
66 | const transcodeOptions: TranscodeVODOptions = { | |
67 | type: transcodeType, | |
68 | ||
69 | inputPath: videoInputPath, | |
70 | outputPath: videoTranscodedPath, | |
71 | ||
72 | inputFileMutexReleaser, | |
73 | ||
74 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
75 | profile: CONFIG.TRANSCODING.PROFILE, | |
76 | ||
77 | resolution, | |
78 | ||
79 | job | |
80 | } | |
81 | ||
82 | // Could be very long! | |
83 | await transcodeVOD(transcodeOptions) | |
84 | ||
85 | // Important to do this before getVideoFilename() to take in account the new filename | |
86 | inputVideoFile.resolution = resolution | |
87 | inputVideoFile.extname = newExtname | |
88 | inputVideoFile.filename = generateWebTorrentVideoFilename(resolution, newExtname) | |
89 | inputVideoFile.storage = VideoStorage.FILE_SYSTEM | |
90 | ||
91 | const { videoFile } = await onWebTorrentVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, inputVideoFile) | |
92 | await remove(videoInputPath) | |
93 | ||
94 | return { transcodeType, videoFile } | |
95 | }) | |
96 | ||
97 | return result | |
98 | } finally { | |
99 | inputFileMutexReleaser() | |
100 | } | |
101 | } | |
102 | ||
103 | // Transcode the original video file to a lower resolution compatible with WebTorrent | |
104 | async function transcodeNewWebTorrentResolution (options: { | |
105 | video: MVideoFullLight | |
106 | resolution: VideoResolution | |
107 | job: Job | |
108 | }) { | |
109 | const { video, resolution, job } = options | |
110 | ||
111 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
112 | const newExtname = '.mp4' | |
113 | ||
114 | const inputFileMutexReleaser = await VideoPathManager.Instance.lockFiles(video.uuid) | |
115 | ||
116 | try { | |
117 | await video.reload() | |
118 | ||
119 | const file = video.getMaxQualityFile().withVideoOrPlaylist(video) | |
120 | ||
121 | const result = await VideoPathManager.Instance.makeAvailableVideoFile(file, async videoInputPath => { | |
122 | const newVideoFile = new VideoFileModel({ | |
123 | resolution, | |
124 | extname: newExtname, | |
125 | filename: generateWebTorrentVideoFilename(resolution, newExtname), | |
126 | size: 0, | |
127 | videoId: video.id | |
128 | }) | |
129 | ||
130 | const videoTranscodedPath = join(transcodeDirectory, newVideoFile.filename) | |
131 | ||
132 | const transcodeOptions = resolution === VideoResolution.H_NOVIDEO | |
133 | ? { | |
134 | type: 'only-audio' as 'only-audio', | |
135 | ||
136 | inputPath: videoInputPath, | |
137 | outputPath: videoTranscodedPath, | |
138 | ||
139 | inputFileMutexReleaser, | |
140 | ||
141 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
142 | profile: CONFIG.TRANSCODING.PROFILE, | |
143 | ||
144 | resolution, | |
145 | ||
146 | job | |
147 | } | |
148 | : { | |
149 | type: 'video' as 'video', | |
150 | inputPath: videoInputPath, | |
151 | outputPath: videoTranscodedPath, | |
152 | ||
153 | inputFileMutexReleaser, | |
154 | ||
155 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
156 | profile: CONFIG.TRANSCODING.PROFILE, | |
157 | ||
158 | resolution, | |
159 | ||
160 | job | |
161 | } | |
162 | ||
163 | await transcodeVOD(transcodeOptions) | |
164 | ||
165 | return onWebTorrentVideoFileTranscoding(video, newVideoFile, videoTranscodedPath, newVideoFile) | |
166 | }) | |
167 | ||
168 | return result | |
169 | } finally { | |
170 | inputFileMutexReleaser() | |
171 | } | |
172 | } | |
173 | ||
174 | // Merge an image with an audio file to create a video | |
175 | async function mergeAudioVideofile (options: { | |
176 | video: MVideoFullLight | |
177 | resolution: VideoResolution | |
178 | job: Job | |
179 | }) { | |
180 | const { video, resolution, job } = options | |
181 | ||
182 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
183 | const newExtname = '.mp4' | |
184 | ||
185 | const inputFileMutexReleaser = await VideoPathManager.Instance.lockFiles(video.uuid) | |
186 | ||
187 | try { | |
188 | await video.reload() | |
189 | ||
190 | const inputVideoFile = video.getMinQualityFile() | |
191 | ||
192 | const fileWithVideoOrPlaylist = inputVideoFile.withVideoOrPlaylist(video) | |
193 | ||
194 | const result = await VideoPathManager.Instance.makeAvailableVideoFile(fileWithVideoOrPlaylist, async audioInputPath => { | |
195 | const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname) | |
196 | ||
197 | // If the user updates the video preview during transcoding | |
198 | const previewPath = video.getPreview().getPath() | |
199 | const tmpPreviewPath = join(CONFIG.STORAGE.TMP_DIR, basename(previewPath)) | |
200 | await copyFile(previewPath, tmpPreviewPath) | |
201 | ||
202 | const transcodeOptions = { | |
203 | type: 'merge-audio' as 'merge-audio', | |
204 | ||
205 | inputPath: tmpPreviewPath, | |
206 | outputPath: videoTranscodedPath, | |
207 | ||
208 | inputFileMutexReleaser, | |
209 | ||
210 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
211 | profile: CONFIG.TRANSCODING.PROFILE, | |
212 | ||
213 | audioPath: audioInputPath, | |
214 | resolution, | |
215 | ||
216 | job | |
217 | } | |
218 | ||
219 | try { | |
220 | await transcodeVOD(transcodeOptions) | |
221 | ||
222 | await remove(audioInputPath) | |
223 | await remove(tmpPreviewPath) | |
224 | } catch (err) { | |
225 | await remove(tmpPreviewPath) | |
226 | throw err | |
227 | } | |
228 | ||
229 | // Important to do this before getVideoFilename() to take in account the new file extension | |
230 | inputVideoFile.extname = newExtname | |
231 | inputVideoFile.resolution = resolution | |
232 | inputVideoFile.filename = generateWebTorrentVideoFilename(inputVideoFile.resolution, newExtname) | |
233 | ||
234 | // ffmpeg generated a new video file, so update the video duration | |
235 | // See https://trac.ffmpeg.org/ticket/5456 | |
236 | video.duration = await getVideoStreamDuration(videoTranscodedPath) | |
237 | await video.save() | |
238 | ||
239 | return onWebTorrentVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, inputVideoFile) | |
240 | }) | |
241 | ||
242 | return result | |
243 | } finally { | |
244 | inputFileMutexReleaser() | |
245 | } | |
246 | } | |
247 | ||
248 | // Concat TS segments from a live video to a fragmented mp4 HLS playlist | |
249 | async function generateHlsPlaylistResolutionFromTS (options: { | |
250 | video: MVideo | |
251 | concatenatedTsFilePath: string | |
252 | resolution: VideoResolution | |
253 | isAAC: boolean | |
254 | inputFileMutexReleaser: MutexInterface.Releaser | |
255 | }) { | |
256 | return generateHlsPlaylistCommon({ | |
257 | type: 'hls-from-ts' as 'hls-from-ts', | |
258 | inputPath: options.concatenatedTsFilePath, | |
259 | ||
260 | ...pick(options, [ 'video', 'resolution', 'inputFileMutexReleaser', 'isAAC' ]) | |
261 | }) | |
262 | } | |
263 | ||
264 | // Generate an HLS playlist from an input file, and update the master playlist | |
265 | function generateHlsPlaylistResolution (options: { | |
266 | video: MVideo | |
267 | videoInputPath: string | |
268 | resolution: VideoResolution | |
269 | copyCodecs: boolean | |
270 | inputFileMutexReleaser: MutexInterface.Releaser | |
271 | job?: Job | |
272 | }) { | |
273 | return generateHlsPlaylistCommon({ | |
274 | type: 'hls' as 'hls', | |
275 | inputPath: options.videoInputPath, | |
276 | ||
277 | ...pick(options, [ 'video', 'resolution', 'copyCodecs', 'inputFileMutexReleaser', 'job' ]) | |
278 | }) | |
279 | } | |
280 | ||
281 | // --------------------------------------------------------------------------- | |
282 | ||
283 | export { | |
284 | generateHlsPlaylistResolution, | |
285 | generateHlsPlaylistResolutionFromTS, | |
286 | optimizeOriginalVideofile, | |
287 | transcodeNewWebTorrentResolution, | |
288 | mergeAudioVideofile | |
289 | } | |
290 | ||
291 | // --------------------------------------------------------------------------- | |
292 | ||
293 | async function onWebTorrentVideoFileTranscoding ( | |
294 | video: MVideoFullLight, | |
295 | videoFile: MVideoFile, | |
296 | transcodingPath: string, | |
297 | newVideoFile: MVideoFile | |
298 | ) { | |
299 | const mutexReleaser = await VideoPathManager.Instance.lockFiles(video.uuid) | |
300 | ||
301 | try { | |
302 | await video.reload() | |
303 | ||
304 | const outputPath = VideoPathManager.Instance.getFSVideoFileOutputPath(video, newVideoFile) | |
305 | ||
306 | const stats = await stat(transcodingPath) | |
307 | ||
308 | const probe = await ffprobePromise(transcodingPath) | |
309 | const fps = await getVideoStreamFPS(transcodingPath, probe) | |
310 | const metadata = await buildFileMetadata(transcodingPath, probe) | |
311 | ||
312 | await move(transcodingPath, outputPath, { overwrite: true }) | |
313 | ||
314 | videoFile.size = stats.size | |
315 | videoFile.fps = fps | |
316 | videoFile.metadata = metadata | |
317 | ||
318 | await createTorrentAndSetInfoHash(video, videoFile) | |
319 | ||
320 | const oldFile = await VideoFileModel.loadWebTorrentFile({ videoId: video.id, fps: videoFile.fps, resolution: videoFile.resolution }) | |
321 | if (oldFile) await video.removeWebTorrentFile(oldFile) | |
322 | ||
323 | await VideoFileModel.customUpsert(videoFile, 'video', undefined) | |
324 | video.VideoFiles = await video.$get('VideoFiles') | |
325 | ||
326 | return { video, videoFile } | |
327 | } finally { | |
328 | mutexReleaser() | |
329 | } | |
330 | } | |
331 | ||
332 | async function generateHlsPlaylistCommon (options: { | |
333 | type: 'hls' | 'hls-from-ts' | |
334 | video: MVideo | |
335 | inputPath: string | |
336 | resolution: VideoResolution | |
337 | ||
338 | inputFileMutexReleaser: MutexInterface.Releaser | |
339 | ||
340 | copyCodecs?: boolean | |
341 | isAAC?: boolean | |
342 | ||
343 | job?: Job | |
344 | }) { | |
345 | const { type, video, inputPath, resolution, copyCodecs, isAAC, job, inputFileMutexReleaser } = options | |
346 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
347 | ||
348 | const videoTranscodedBasePath = join(transcodeDirectory, type) | |
349 | await ensureDir(videoTranscodedBasePath) | |
350 | ||
351 | const videoFilename = generateHLSVideoFilename(resolution) | |
352 | const resolutionPlaylistFilename = getHlsResolutionPlaylistFilename(videoFilename) | |
353 | const resolutionPlaylistFileTranscodePath = join(videoTranscodedBasePath, resolutionPlaylistFilename) | |
354 | ||
355 | const transcodeOptions = { | |
356 | type, | |
357 | ||
358 | inputPath, | |
359 | outputPath: resolutionPlaylistFileTranscodePath, | |
360 | ||
361 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
362 | profile: CONFIG.TRANSCODING.PROFILE, | |
363 | ||
364 | resolution, | |
365 | copyCodecs, | |
366 | ||
367 | isAAC, | |
368 | ||
369 | inputFileMutexReleaser, | |
370 | ||
371 | hlsPlaylist: { | |
372 | videoFilename | |
373 | }, | |
374 | ||
375 | job | |
376 | } | |
377 | ||
378 | await transcodeVOD(transcodeOptions) | |
379 | ||
380 | // Create or update the playlist | |
381 | const playlist = await retryTransactionWrapper(() => { | |
382 | return sequelizeTypescript.transaction(async transaction => { | |
383 | return VideoStreamingPlaylistModel.loadOrGenerate(video, transaction) | |
384 | }) | |
385 | }) | |
386 | ||
387 | const newVideoFile = new VideoFileModel({ | |
388 | resolution, | |
389 | extname: extnameUtil(videoFilename), | |
390 | size: 0, | |
391 | filename: videoFilename, | |
392 | fps: -1, | |
393 | videoStreamingPlaylistId: playlist.id | |
394 | }) | |
395 | ||
396 | const mutexReleaser = await VideoPathManager.Instance.lockFiles(video.uuid) | |
397 | ||
398 | try { | |
399 | // VOD transcoding is a long task, refresh video attributes | |
400 | await video.reload() | |
401 | ||
402 | const videoFilePath = VideoPathManager.Instance.getFSVideoFileOutputPath(playlist, newVideoFile) | |
403 | await ensureDir(VideoPathManager.Instance.getFSHLSOutputPath(video)) | |
404 | ||
405 | // Move playlist file | |
406 | const resolutionPlaylistPath = VideoPathManager.Instance.getFSHLSOutputPath(video, resolutionPlaylistFilename) | |
407 | await move(resolutionPlaylistFileTranscodePath, resolutionPlaylistPath, { overwrite: true }) | |
408 | // Move video file | |
409 | await move(join(videoTranscodedBasePath, videoFilename), videoFilePath, { overwrite: true }) | |
410 | ||
411 | // Update video duration if it was not set (in case of a live for example) | |
412 | if (!video.duration) { | |
413 | video.duration = await getVideoStreamDuration(videoFilePath) | |
414 | await video.save() | |
415 | } | |
416 | ||
417 | const stats = await stat(videoFilePath) | |
418 | ||
419 | newVideoFile.size = stats.size | |
420 | newVideoFile.fps = await getVideoStreamFPS(videoFilePath) | |
421 | newVideoFile.metadata = await buildFileMetadata(videoFilePath) | |
422 | ||
423 | await createTorrentAndSetInfoHash(playlist, newVideoFile) | |
424 | ||
425 | const oldFile = await VideoFileModel.loadHLSFile({ | |
426 | playlistId: playlist.id, | |
427 | fps: newVideoFile.fps, | |
428 | resolution: newVideoFile.resolution | |
429 | }) | |
430 | ||
431 | if (oldFile) { | |
432 | await video.removeStreamingPlaylistVideoFile(playlist, oldFile) | |
433 | await oldFile.destroy() | |
434 | } | |
435 | ||
436 | const savedVideoFile = await VideoFileModel.customUpsert(newVideoFile, 'streaming-playlist', undefined) | |
437 | ||
438 | await updatePlaylistAfterFileChange(video, playlist) | |
439 | ||
440 | return { resolutionPlaylistPath, videoFile: savedVideoFile } | |
441 | } finally { | |
442 | mutexReleaser() | |
443 | } | |
444 | } | |
445 | ||
446 | function buildOriginalFileResolution (inputResolution: number) { | |
447 | if (CONFIG.TRANSCODING.ALWAYS_TRANSCODE_ORIGINAL_RESOLUTION === true) { | |
448 | return toEven(inputResolution) | |
449 | } | |
450 | ||
451 | const resolutions = computeResolutionsToTranscode({ | |
452 | input: inputResolution, | |
453 | type: 'vod', | |
454 | includeInput: false, | |
455 | strictLower: false, | |
456 | // We don't really care about the audio resolution in this context | |
457 | hasAudio: true | |
458 | }) | |
459 | ||
460 | if (resolutions.length === 0) { | |
461 | return toEven(inputResolution) | |
462 | } | |
463 | ||
464 | return Math.max(...resolutions) | |
465 | } |