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1 | import { HLS_STREAMING_PLAYLIST_DIRECTORY, P2P_MEDIA_LOADER_PEER_VERSION, WEBSERVER } from '../initializers/constants' | |
2 | import { basename, extname as extnameUtil, join } from 'path' | |
3 | import { | |
4 | canDoQuickTranscode, | |
5 | getDurationFromVideoFile, | |
6 | getMetadataFromFile, | |
7 | getVideoFileFPS, | |
8 | transcode, | |
9 | TranscodeOptions, | |
10 | TranscodeOptionsType | |
11 | } from '../helpers/ffmpeg-utils' | |
12 | import { copyFile, ensureDir, move, remove, stat } from 'fs-extra' | |
13 | import { logger } from '../helpers/logger' | |
14 | import { VideoResolution } from '../../shared/models/videos' | |
15 | import { VideoFileModel } from '../models/video/video-file' | |
16 | import { updateMasterHLSPlaylist, updateSha256VODSegments } from './hls' | |
17 | import { VideoStreamingPlaylistModel } from '../models/video/video-streaming-playlist' | |
18 | import { VideoStreamingPlaylistType } from '../../shared/models/videos/video-streaming-playlist.type' | |
19 | import { CONFIG } from '../initializers/config' | |
20 | import { MStreamingPlaylistFilesVideo, MVideoFile, MVideoWithAllFiles, MVideoWithFile } from '@server/types/models' | |
21 | import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent' | |
22 | import { generateVideoStreamingPlaylistName, getVideoFilename, getVideoFilePath } from './video-paths' | |
23 | import { spawn } from 'child_process' | |
24 | ||
25 | /** | |
26 | * Optimize the original video file and replace it. The resolution is not changed. | |
27 | */ | |
28 | async function optimizeOriginalVideofile (video: MVideoWithFile, inputVideoFileArg?: MVideoFile) { | |
29 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
30 | const newExtname = '.mp4' | |
31 | ||
32 | const inputVideoFile = inputVideoFileArg || video.getMaxQualityFile() | |
33 | const videoInputPath = getVideoFilePath(video, inputVideoFile) | |
34 | const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname) | |
35 | ||
36 | const transcodeType: TranscodeOptionsType = await canDoQuickTranscode(videoInputPath) | |
37 | ? 'quick-transcode' | |
38 | : 'video' | |
39 | ||
40 | const transcodeOptions: TranscodeOptions = { | |
41 | type: transcodeType, | |
42 | inputPath: videoInputPath, | |
43 | outputPath: videoTranscodedPath, | |
44 | resolution: inputVideoFile.resolution | |
45 | } | |
46 | ||
47 | // Could be very long! | |
48 | await transcode(transcodeOptions) | |
49 | ||
50 | try { | |
51 | await remove(videoInputPath) | |
52 | ||
53 | // Important to do this before getVideoFilename() to take in account the new file extension | |
54 | inputVideoFile.extname = newExtname | |
55 | ||
56 | const videoOutputPath = getVideoFilePath(video, inputVideoFile) | |
57 | ||
58 | await onVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath) | |
59 | } catch (err) { | |
60 | // Auto destruction... | |
61 | video.destroy().catch(err => logger.error('Cannot destruct video after transcoding failure.', { err })) | |
62 | ||
63 | throw err | |
64 | } | |
65 | } | |
66 | ||
67 | /** | |
68 | * Transcode the original video file to a lower resolution. | |
69 | */ | |
70 | async function transcodeNewResolution (video: MVideoWithFile, resolution: VideoResolution, isPortrait: boolean) { | |
71 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
72 | const extname = '.mp4' | |
73 | ||
74 | // We are sure it's x264 in mp4 because optimizeOriginalVideofile was already executed | |
75 | const videoInputPath = getVideoFilePath(video, video.getMaxQualityFile()) | |
76 | ||
77 | const newVideoFile = new VideoFileModel({ | |
78 | resolution, | |
79 | extname, | |
80 | size: 0, | |
81 | videoId: video.id | |
82 | }) | |
83 | const videoOutputPath = getVideoFilePath(video, newVideoFile) | |
84 | const videoTranscodedPath = join(transcodeDirectory, getVideoFilename(video, newVideoFile)) | |
85 | ||
86 | const transcodeOptions = resolution === VideoResolution.H_NOVIDEO | |
87 | ? { | |
88 | type: 'only-audio' as 'only-audio', | |
89 | inputPath: videoInputPath, | |
90 | outputPath: videoTranscodedPath, | |
91 | resolution | |
92 | } | |
93 | : { | |
94 | type: 'video' as 'video', | |
95 | inputPath: videoInputPath, | |
96 | outputPath: videoTranscodedPath, | |
97 | resolution, | |
98 | isPortraitMode: isPortrait | |
99 | } | |
100 | ||
101 | await transcode(transcodeOptions) | |
102 | ||
103 | return onVideoFileTranscoding(video, newVideoFile, videoTranscodedPath, videoOutputPath) | |
104 | } | |
105 | ||
106 | async function mergeAudioVideofile (video: MVideoWithAllFiles, resolution: VideoResolution) { | |
107 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
108 | const newExtname = '.mp4' | |
109 | ||
110 | const inputVideoFile = video.getMinQualityFile() | |
111 | ||
112 | const audioInputPath = getVideoFilePath(video, inputVideoFile) | |
113 | const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname) | |
114 | ||
115 | // If the user updates the video preview during transcoding | |
116 | const previewPath = video.getPreview().getPath() | |
117 | const tmpPreviewPath = join(CONFIG.STORAGE.TMP_DIR, basename(previewPath)) | |
118 | await copyFile(previewPath, tmpPreviewPath) | |
119 | ||
120 | const transcodeOptions = { | |
121 | type: 'merge-audio' as 'merge-audio', | |
122 | inputPath: tmpPreviewPath, | |
123 | outputPath: videoTranscodedPath, | |
124 | audioPath: audioInputPath, | |
125 | resolution | |
126 | } | |
127 | ||
128 | try { | |
129 | await transcode(transcodeOptions) | |
130 | ||
131 | await remove(audioInputPath) | |
132 | await remove(tmpPreviewPath) | |
133 | } catch (err) { | |
134 | await remove(tmpPreviewPath) | |
135 | throw err | |
136 | } | |
137 | ||
138 | // Important to do this before getVideoFilename() to take in account the new file extension | |
139 | inputVideoFile.extname = newExtname | |
140 | ||
141 | const videoOutputPath = getVideoFilePath(video, inputVideoFile) | |
142 | // ffmpeg generated a new video file, so update the video duration | |
143 | // See https://trac.ffmpeg.org/ticket/5456 | |
144 | video.duration = await getDurationFromVideoFile(videoTranscodedPath) | |
145 | await video.save() | |
146 | ||
147 | return onVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath) | |
148 | } | |
149 | ||
150 | async function generateHlsPlaylist (options: { | |
151 | video: MVideoWithFile | |
152 | videoInputPath: string | |
153 | resolution: VideoResolution | |
154 | copyCodecs: boolean | |
155 | isPortraitMode: boolean | |
156 | }) { | |
157 | const { video, videoInputPath, resolution, copyCodecs, isPortraitMode } = options | |
158 | ||
159 | const baseHlsDirectory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid) | |
160 | await ensureDir(join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid)) | |
161 | ||
162 | const outputPath = join(baseHlsDirectory, VideoStreamingPlaylistModel.getHlsPlaylistFilename(resolution)) | |
163 | const videoFilename = generateVideoStreamingPlaylistName(video.uuid, resolution) | |
164 | ||
165 | const transcodeOptions = { | |
166 | type: 'hls' as 'hls', | |
167 | inputPath: videoInputPath, | |
168 | outputPath, | |
169 | resolution, | |
170 | copyCodecs, | |
171 | isPortraitMode, | |
172 | ||
173 | hlsPlaylist: { | |
174 | videoFilename | |
175 | } | |
176 | } | |
177 | ||
178 | logger.debug('Will run transcode.', { transcodeOptions }) | |
179 | ||
180 | await transcode(transcodeOptions) | |
181 | ||
182 | const playlistUrl = WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsMasterPlaylistStaticPath(video.uuid) | |
183 | ||
184 | const [ videoStreamingPlaylist ] = await VideoStreamingPlaylistModel.upsert({ | |
185 | videoId: video.id, | |
186 | playlistUrl, | |
187 | segmentsSha256Url: WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsSha256SegmentsStaticPath(video.uuid, video.isLive), | |
188 | p2pMediaLoaderInfohashes: [], | |
189 | p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION, | |
190 | ||
191 | type: VideoStreamingPlaylistType.HLS | |
192 | }, { returning: true }) as [ MStreamingPlaylistFilesVideo, boolean ] | |
193 | videoStreamingPlaylist.Video = video | |
194 | ||
195 | const newVideoFile = new VideoFileModel({ | |
196 | resolution, | |
197 | extname: extnameUtil(videoFilename), | |
198 | size: 0, | |
199 | fps: -1, | |
200 | videoStreamingPlaylistId: videoStreamingPlaylist.id | |
201 | }) | |
202 | ||
203 | const videoFilePath = getVideoFilePath(videoStreamingPlaylist, newVideoFile) | |
204 | const stats = await stat(videoFilePath) | |
205 | ||
206 | newVideoFile.size = stats.size | |
207 | newVideoFile.fps = await getVideoFileFPS(videoFilePath) | |
208 | newVideoFile.metadata = await getMetadataFromFile(videoFilePath) | |
209 | ||
210 | await createTorrentAndSetInfoHash(videoStreamingPlaylist, newVideoFile) | |
211 | ||
212 | await VideoFileModel.customUpsert(newVideoFile, 'streaming-playlist', undefined) | |
213 | videoStreamingPlaylist.VideoFiles = await videoStreamingPlaylist.$get('VideoFiles') | |
214 | ||
215 | videoStreamingPlaylist.p2pMediaLoaderInfohashes = VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes( | |
216 | playlistUrl, videoStreamingPlaylist.VideoFiles | |
217 | ) | |
218 | await videoStreamingPlaylist.save() | |
219 | ||
220 | video.setHLSPlaylist(videoStreamingPlaylist) | |
221 | ||
222 | await updateMasterHLSPlaylist(video) | |
223 | await updateSha256VODSegments(video) | |
224 | ||
225 | return video | |
226 | } | |
227 | ||
228 | // --------------------------------------------------------------------------- | |
229 | ||
230 | export { | |
231 | generateHlsPlaylist, | |
232 | optimizeOriginalVideofile, | |
233 | transcodeNewResolution, | |
234 | mergeAudioVideofile | |
235 | } | |
236 | ||
237 | // --------------------------------------------------------------------------- | |
238 | ||
239 | async function onVideoFileTranscoding (video: MVideoWithFile, videoFile: MVideoFile, transcodingPath: string, outputPath: string) { | |
240 | const stats = await stat(transcodingPath) | |
241 | const fps = await getVideoFileFPS(transcodingPath) | |
242 | const metadata = await getMetadataFromFile(transcodingPath) | |
243 | ||
244 | await move(transcodingPath, outputPath, { overwrite: true }) | |
245 | ||
246 | videoFile.size = stats.size | |
247 | videoFile.fps = fps | |
248 | videoFile.metadata = metadata | |
249 | ||
250 | await createTorrentAndSetInfoHash(video, videoFile) | |
251 | ||
252 | await VideoFileModel.customUpsert(videoFile, 'video', undefined) | |
253 | video.VideoFiles = await video.$get('VideoFiles') | |
254 | ||
255 | return video | |
256 | } |