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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 { toEven } from '@server/helpers/core-utils' | |
5 | import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent' | |
6 | import { MStreamingPlaylistFilesVideo, MVideoFile, MVideoFullLight } from '@server/types/models' | |
7 | import { VideoResolution } from '../../../shared/models/videos' | |
8 | import { VideoStreamingPlaylistType } from '../../../shared/models/videos/video-streaming-playlist.type' | |
9 | import { transcode, TranscodeOptions, TranscodeOptionsType } from '../../helpers/ffmpeg-utils' | |
10 | import { canDoQuickTranscode, getDurationFromVideoFile, getMetadataFromFile, getVideoFileFPS } from '../../helpers/ffprobe-utils' | |
11 | import { logger } from '../../helpers/logger' | |
12 | import { CONFIG } from '../../initializers/config' | |
13 | import { HLS_STREAMING_PLAYLIST_DIRECTORY, P2P_MEDIA_LOADER_PEER_VERSION } from '../../initializers/constants' | |
14 | import { VideoFileModel } from '../../models/video/video-file' | |
15 | import { VideoStreamingPlaylistModel } from '../../models/video/video-streaming-playlist' | |
16 | import { updateMasterHLSPlaylist, updateSha256VODSegments } from '../hls' | |
17 | import { | |
18 | generateHLSMasterPlaylistFilename, | |
19 | generateHlsSha256SegmentsFilename, | |
20 | generateHLSVideoFilename, | |
21 | generateWebTorrentVideoFilename, | |
22 | getHlsResolutionPlaylistFilename, | |
23 | getVideoFilePath | |
24 | } from '../video-paths' | |
25 | import { VideoTranscodingProfilesManager } from './video-transcoding-profiles' | |
26 | ||
27 | /** | |
28 | * | |
29 | * Functions that run transcoding functions, update the database, cleanup files, create torrent files... | |
30 | * Mainly called by the job queue | |
31 | * | |
32 | */ | |
33 | ||
34 | // Optimize the original video file and replace it. The resolution is not changed. | |
35 | async function optimizeOriginalVideofile (video: MVideoFullLight, inputVideoFile: MVideoFile, job?: Job) { | |
36 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
37 | const newExtname = '.mp4' | |
38 | ||
39 | const videoInputPath = getVideoFilePath(video, inputVideoFile) | |
40 | const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname) | |
41 | ||
42 | const transcodeType: TranscodeOptionsType = await canDoQuickTranscode(videoInputPath) | |
43 | ? 'quick-transcode' | |
44 | : 'video' | |
45 | ||
46 | const resolution = toEven(inputVideoFile.resolution) | |
47 | ||
48 | const transcodeOptions: TranscodeOptions = { | |
49 | type: transcodeType, | |
50 | ||
51 | inputPath: videoInputPath, | |
52 | outputPath: videoTranscodedPath, | |
53 | ||
54 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
55 | profile: CONFIG.TRANSCODING.PROFILE, | |
56 | ||
57 | resolution, | |
58 | ||
59 | job | |
60 | } | |
61 | ||
62 | // Could be very long! | |
63 | await transcode(transcodeOptions) | |
64 | ||
65 | try { | |
66 | await remove(videoInputPath) | |
67 | ||
68 | // Important to do this before getVideoFilename() to take in account the new filename | |
69 | inputVideoFile.extname = newExtname | |
70 | inputVideoFile.filename = generateWebTorrentVideoFilename(resolution, newExtname) | |
71 | ||
72 | const videoOutputPath = getVideoFilePath(video, inputVideoFile) | |
73 | ||
74 | await onWebTorrentVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath) | |
75 | ||
76 | return transcodeType | |
77 | } catch (err) { | |
78 | // Auto destruction... | |
79 | video.destroy().catch(err => logger.error('Cannot destruct video after transcoding failure.', { err })) | |
80 | ||
81 | throw err | |
82 | } | |
83 | } | |
84 | ||
85 | // Transcode the original video file to a lower resolution. | |
86 | async function transcodeNewWebTorrentResolution (video: MVideoFullLight, resolution: VideoResolution, isPortrait: boolean, job: Job) { | |
87 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
88 | const extname = '.mp4' | |
89 | ||
90 | // We are sure it's x264 in mp4 because optimizeOriginalVideofile was already executed | |
91 | const videoInputPath = getVideoFilePath(video, video.getMaxQualityFile()) | |
92 | ||
93 | const newVideoFile = new VideoFileModel({ | |
94 | resolution, | |
95 | extname, | |
96 | filename: generateWebTorrentVideoFilename(resolution, extname), | |
97 | size: 0, | |
98 | videoId: video.id | |
99 | }) | |
100 | ||
101 | const videoOutputPath = getVideoFilePath(video, newVideoFile) | |
102 | const videoTranscodedPath = join(transcodeDirectory, newVideoFile.filename) | |
103 | ||
104 | const transcodeOptions = resolution === VideoResolution.H_NOVIDEO | |
105 | ? { | |
106 | type: 'only-audio' as 'only-audio', | |
107 | ||
108 | inputPath: videoInputPath, | |
109 | outputPath: videoTranscodedPath, | |
110 | ||
111 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
112 | profile: CONFIG.TRANSCODING.PROFILE, | |
113 | ||
114 | resolution, | |
115 | ||
116 | job | |
117 | } | |
118 | : { | |
119 | type: 'video' as 'video', | |
120 | inputPath: videoInputPath, | |
121 | outputPath: videoTranscodedPath, | |
122 | ||
123 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
124 | profile: CONFIG.TRANSCODING.PROFILE, | |
125 | ||
126 | resolution, | |
127 | isPortraitMode: isPortrait, | |
128 | ||
129 | job | |
130 | } | |
131 | ||
132 | await transcode(transcodeOptions) | |
133 | ||
134 | return onWebTorrentVideoFileTranscoding(video, newVideoFile, videoTranscodedPath, videoOutputPath) | |
135 | } | |
136 | ||
137 | // Merge an image with an audio file to create a video | |
138 | async function mergeAudioVideofile (video: MVideoFullLight, resolution: VideoResolution, job: Job) { | |
139 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
140 | const newExtname = '.mp4' | |
141 | ||
142 | const inputVideoFile = video.getMinQualityFile() | |
143 | ||
144 | const audioInputPath = getVideoFilePath(video, inputVideoFile) | |
145 | const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname) | |
146 | ||
147 | // If the user updates the video preview during transcoding | |
148 | const previewPath = video.getPreview().getPath() | |
149 | const tmpPreviewPath = join(CONFIG.STORAGE.TMP_DIR, basename(previewPath)) | |
150 | await copyFile(previewPath, tmpPreviewPath) | |
151 | ||
152 | const transcodeOptions = { | |
153 | type: 'merge-audio' as 'merge-audio', | |
154 | ||
155 | inputPath: tmpPreviewPath, | |
156 | outputPath: videoTranscodedPath, | |
157 | ||
158 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
159 | profile: CONFIG.TRANSCODING.PROFILE, | |
160 | ||
161 | audioPath: audioInputPath, | |
162 | resolution, | |
163 | ||
164 | job | |
165 | } | |
166 | ||
167 | try { | |
168 | await transcode(transcodeOptions) | |
169 | ||
170 | await remove(audioInputPath) | |
171 | await remove(tmpPreviewPath) | |
172 | } catch (err) { | |
173 | await remove(tmpPreviewPath) | |
174 | throw err | |
175 | } | |
176 | ||
177 | // Important to do this before getVideoFilename() to take in account the new file extension | |
178 | inputVideoFile.extname = newExtname | |
179 | inputVideoFile.filename = generateWebTorrentVideoFilename(inputVideoFile.resolution, newExtname) | |
180 | ||
181 | const videoOutputPath = getVideoFilePath(video, inputVideoFile) | |
182 | // ffmpeg generated a new video file, so update the video duration | |
183 | // See https://trac.ffmpeg.org/ticket/5456 | |
184 | video.duration = await getDurationFromVideoFile(videoTranscodedPath) | |
185 | await video.save() | |
186 | ||
187 | return onWebTorrentVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath) | |
188 | } | |
189 | ||
190 | // Concat TS segments from a live video to a fragmented mp4 HLS playlist | |
191 | async function generateHlsPlaylistResolutionFromTS (options: { | |
192 | video: MVideoFullLight | |
193 | concatenatedTsFilePath: string | |
194 | resolution: VideoResolution | |
195 | isPortraitMode: boolean | |
196 | isAAC: boolean | |
197 | }) { | |
198 | return generateHlsPlaylistCommon({ | |
199 | video: options.video, | |
200 | resolution: options.resolution, | |
201 | isPortraitMode: options.isPortraitMode, | |
202 | inputPath: options.concatenatedTsFilePath, | |
203 | type: 'hls-from-ts' as 'hls-from-ts', | |
204 | isAAC: options.isAAC | |
205 | }) | |
206 | } | |
207 | ||
208 | // Generate an HLS playlist from an input file, and update the master playlist | |
209 | function generateHlsPlaylistResolution (options: { | |
210 | video: MVideoFullLight | |
211 | videoInputPath: string | |
212 | resolution: VideoResolution | |
213 | copyCodecs: boolean | |
214 | isPortraitMode: boolean | |
215 | job?: Job | |
216 | }) { | |
217 | return generateHlsPlaylistCommon({ | |
218 | video: options.video, | |
219 | resolution: options.resolution, | |
220 | copyCodecs: options.copyCodecs, | |
221 | isPortraitMode: options.isPortraitMode, | |
222 | inputPath: options.videoInputPath, | |
223 | type: 'hls' as 'hls', | |
224 | job: options.job | |
225 | }) | |
226 | } | |
227 | ||
228 | // --------------------------------------------------------------------------- | |
229 | ||
230 | export { | |
231 | generateHlsPlaylistResolution, | |
232 | generateHlsPlaylistResolutionFromTS, | |
233 | optimizeOriginalVideofile, | |
234 | transcodeNewWebTorrentResolution, | |
235 | mergeAudioVideofile | |
236 | } | |
237 | ||
238 | // --------------------------------------------------------------------------- | |
239 | ||
240 | async function onWebTorrentVideoFileTranscoding ( | |
241 | video: MVideoFullLight, | |
242 | videoFile: MVideoFile, | |
243 | transcodingPath: string, | |
244 | outputPath: string | |
245 | ) { | |
246 | const stats = await stat(transcodingPath) | |
247 | const fps = await getVideoFileFPS(transcodingPath) | |
248 | const metadata = await getMetadataFromFile(transcodingPath) | |
249 | ||
250 | await move(transcodingPath, outputPath, { overwrite: true }) | |
251 | ||
252 | videoFile.size = stats.size | |
253 | videoFile.fps = fps | |
254 | videoFile.metadata = metadata | |
255 | ||
256 | await createTorrentAndSetInfoHash(video, videoFile) | |
257 | ||
258 | await VideoFileModel.customUpsert(videoFile, 'video', undefined) | |
259 | video.VideoFiles = await video.$get('VideoFiles') | |
260 | ||
261 | return video | |
262 | } | |
263 | ||
264 | async function generateHlsPlaylistCommon (options: { | |
265 | type: 'hls' | 'hls-from-ts' | |
266 | video: MVideoFullLight | |
267 | inputPath: string | |
268 | resolution: VideoResolution | |
269 | copyCodecs?: boolean | |
270 | isAAC?: boolean | |
271 | isPortraitMode: boolean | |
272 | ||
273 | job?: Job | |
274 | }) { | |
275 | const { type, video, inputPath, resolution, copyCodecs, isPortraitMode, isAAC, job } = options | |
276 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
277 | ||
278 | const videoTranscodedBasePath = join(transcodeDirectory, type) | |
279 | await ensureDir(videoTranscodedBasePath) | |
280 | ||
281 | const videoFilename = generateHLSVideoFilename(resolution) | |
282 | const resolutionPlaylistFilename = getHlsResolutionPlaylistFilename(videoFilename) | |
283 | const resolutionPlaylistFileTranscodePath = join(videoTranscodedBasePath, resolutionPlaylistFilename) | |
284 | ||
285 | const transcodeOptions = { | |
286 | type, | |
287 | ||
288 | inputPath, | |
289 | outputPath: resolutionPlaylistFileTranscodePath, | |
290 | ||
291 | availableEncoders: VideoTranscodingProfilesManager.Instance.getAvailableEncoders(), | |
292 | profile: CONFIG.TRANSCODING.PROFILE, | |
293 | ||
294 | resolution, | |
295 | copyCodecs, | |
296 | isPortraitMode, | |
297 | ||
298 | isAAC, | |
299 | ||
300 | hlsPlaylist: { | |
301 | videoFilename | |
302 | }, | |
303 | ||
304 | job | |
305 | } | |
306 | ||
307 | await transcode(transcodeOptions) | |
308 | ||
309 | // Create or update the playlist | |
310 | const playlist = await VideoStreamingPlaylistModel.loadOrGenerate(video) | |
311 | ||
312 | if (!playlist.playlistFilename) { | |
313 | playlist.playlistFilename = generateHLSMasterPlaylistFilename(video.isLive) | |
314 | } | |
315 | ||
316 | if (!playlist.segmentsSha256Filename) { | |
317 | playlist.segmentsSha256Filename = generateHlsSha256SegmentsFilename(video.isLive) | |
318 | } | |
319 | ||
320 | playlist.p2pMediaLoaderInfohashes = [] | |
321 | playlist.p2pMediaLoaderPeerVersion = P2P_MEDIA_LOADER_PEER_VERSION | |
322 | ||
323 | playlist.type = VideoStreamingPlaylistType.HLS | |
324 | ||
325 | await playlist.save() | |
326 | ||
327 | // Build the new playlist file | |
328 | const extname = extnameUtil(videoFilename) | |
329 | const newVideoFile = new VideoFileModel({ | |
330 | resolution, | |
331 | extname, | |
332 | size: 0, | |
333 | filename: videoFilename, | |
334 | fps: -1, | |
335 | videoStreamingPlaylistId: playlist.id | |
336 | }) | |
337 | ||
338 | const videoFilePath = getVideoFilePath(playlist, newVideoFile) | |
339 | ||
340 | // Move files from tmp transcoded directory to the appropriate place | |
341 | const baseHlsDirectory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid) | |
342 | await ensureDir(baseHlsDirectory) | |
343 | ||
344 | // Move playlist file | |
345 | const resolutionPlaylistPath = join(baseHlsDirectory, resolutionPlaylistFilename) | |
346 | await move(resolutionPlaylistFileTranscodePath, resolutionPlaylistPath, { overwrite: true }) | |
347 | // Move video file | |
348 | await move(join(videoTranscodedBasePath, videoFilename), videoFilePath, { overwrite: true }) | |
349 | ||
350 | const stats = await stat(videoFilePath) | |
351 | ||
352 | newVideoFile.size = stats.size | |
353 | newVideoFile.fps = await getVideoFileFPS(videoFilePath) | |
354 | newVideoFile.metadata = await getMetadataFromFile(videoFilePath) | |
355 | ||
356 | await createTorrentAndSetInfoHash(playlist, newVideoFile) | |
357 | ||
358 | await VideoFileModel.customUpsert(newVideoFile, 'streaming-playlist', undefined) | |
359 | ||
360 | const playlistWithFiles = playlist as MStreamingPlaylistFilesVideo | |
361 | playlistWithFiles.VideoFiles = await playlist.$get('VideoFiles') | |
362 | playlist.assignP2PMediaLoaderInfoHashes(video, playlistWithFiles.VideoFiles) | |
363 | ||
364 | await playlist.save() | |
365 | ||
366 | video.setHLSPlaylist(playlist) | |
367 | ||
368 | await updateMasterHLSPlaylist(video, playlistWithFiles) | |
369 | await updateSha256VODSegments(video, playlistWithFiles) | |
370 | ||
371 | return resolutionPlaylistPath | |
372 | } |