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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, updateSha256Segments } 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/typings/models' | |
21 | import { createTorrentAndSetInfoHash } from '@server/helpers/webtorrent' | |
22 | import { generateVideoStreamingPlaylistName, getVideoFilename, getVideoFilePath } from './video-paths' | |
23 | ||
24 | /** | |
25 | * Optimize the original video file and replace it. The resolution is not changed. | |
26 | */ | |
27 | async function optimizeOriginalVideofile (video: MVideoWithFile, inputVideoFileArg?: MVideoFile) { | |
28 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
29 | const newExtname = '.mp4' | |
30 | ||
31 | const inputVideoFile = inputVideoFileArg || video.getMaxQualityFile() | |
32 | const videoInputPath = getVideoFilePath(video, inputVideoFile) | |
33 | const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname) | |
34 | ||
35 | const transcodeType: TranscodeOptionsType = await canDoQuickTranscode(videoInputPath) | |
36 | ? 'quick-transcode' | |
37 | : 'video' | |
38 | ||
39 | const transcodeOptions: TranscodeOptions = { | |
40 | type: transcodeType, | |
41 | inputPath: videoInputPath, | |
42 | outputPath: videoTranscodedPath, | |
43 | resolution: inputVideoFile.resolution | |
44 | } | |
45 | ||
46 | // Could be very long! | |
47 | await transcode(transcodeOptions) | |
48 | ||
49 | try { | |
50 | await remove(videoInputPath) | |
51 | ||
52 | // Important to do this before getVideoFilename() to take in account the new file extension | |
53 | inputVideoFile.extname = newExtname | |
54 | ||
55 | const videoOutputPath = getVideoFilePath(video, inputVideoFile) | |
56 | ||
57 | await onVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath) | |
58 | } catch (err) { | |
59 | // Auto destruction... | |
60 | video.destroy().catch(err => logger.error('Cannot destruct video after transcoding failure.', { err })) | |
61 | ||
62 | throw err | |
63 | } | |
64 | } | |
65 | ||
66 | /** | |
67 | * Transcode the original video file to a lower resolution. | |
68 | */ | |
69 | async function transcodeNewResolution (video: MVideoWithFile, resolution: VideoResolution, isPortrait: boolean) { | |
70 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
71 | const extname = '.mp4' | |
72 | ||
73 | // We are sure it's x264 in mp4 because optimizeOriginalVideofile was already executed | |
74 | const videoInputPath = getVideoFilePath(video, video.getMaxQualityFile()) | |
75 | ||
76 | const newVideoFile = new VideoFileModel({ | |
77 | resolution, | |
78 | extname, | |
79 | size: 0, | |
80 | videoId: video.id | |
81 | }) | |
82 | const videoOutputPath = getVideoFilePath(video, newVideoFile) | |
83 | const videoTranscodedPath = join(transcodeDirectory, getVideoFilename(video, newVideoFile)) | |
84 | ||
85 | const transcodeOptions = resolution === VideoResolution.H_NOVIDEO | |
86 | ? { | |
87 | type: 'only-audio' as 'only-audio', | |
88 | inputPath: videoInputPath, | |
89 | outputPath: videoTranscodedPath, | |
90 | resolution | |
91 | } | |
92 | : { | |
93 | type: 'video' as 'video', | |
94 | inputPath: videoInputPath, | |
95 | outputPath: videoTranscodedPath, | |
96 | resolution, | |
97 | isPortraitMode: isPortrait | |
98 | } | |
99 | ||
100 | await transcode(transcodeOptions) | |
101 | ||
102 | return onVideoFileTranscoding(video, newVideoFile, videoTranscodedPath, videoOutputPath) | |
103 | } | |
104 | ||
105 | async function mergeAudioVideofile (video: MVideoWithAllFiles, resolution: VideoResolution) { | |
106 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
107 | const newExtname = '.mp4' | |
108 | ||
109 | const inputVideoFile = video.getMinQualityFile() | |
110 | ||
111 | const audioInputPath = getVideoFilePath(video, inputVideoFile) | |
112 | const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname) | |
113 | ||
114 | // If the user updates the video preview during transcoding | |
115 | const previewPath = video.getPreview().getPath() | |
116 | const tmpPreviewPath = join(CONFIG.STORAGE.TMP_DIR, basename(previewPath)) | |
117 | await copyFile(previewPath, tmpPreviewPath) | |
118 | ||
119 | const transcodeOptions = { | |
120 | type: 'merge-audio' as 'merge-audio', | |
121 | inputPath: tmpPreviewPath, | |
122 | outputPath: videoTranscodedPath, | |
123 | audioPath: audioInputPath, | |
124 | resolution | |
125 | } | |
126 | ||
127 | try { | |
128 | await transcode(transcodeOptions) | |
129 | ||
130 | await remove(audioInputPath) | |
131 | await remove(tmpPreviewPath) | |
132 | } catch (err) { | |
133 | await remove(tmpPreviewPath) | |
134 | throw err | |
135 | } | |
136 | ||
137 | // Important to do this before getVideoFilename() to take in account the new file extension | |
138 | inputVideoFile.extname = newExtname | |
139 | ||
140 | const videoOutputPath = getVideoFilePath(video, inputVideoFile) | |
141 | // ffmpeg generated a new video file, so update the video duration | |
142 | // See https://trac.ffmpeg.org/ticket/5456 | |
143 | video.duration = await getDurationFromVideoFile(videoTranscodedPath) | |
144 | await video.save() | |
145 | ||
146 | return onVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath) | |
147 | } | |
148 | ||
149 | async function generateHlsPlaylist (video: MVideoWithFile, resolution: VideoResolution, copyCodecs: boolean, isPortraitMode: boolean) { | |
150 | const baseHlsDirectory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid) | |
151 | await ensureDir(join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid)) | |
152 | ||
153 | const videoFileInput = copyCodecs | |
154 | ? video.getWebTorrentFile(resolution) | |
155 | : video.getMaxQualityFile() | |
156 | ||
157 | const videoOrStreamingPlaylist = videoFileInput.getVideoOrStreamingPlaylist() | |
158 | const videoInputPath = getVideoFilePath(videoOrStreamingPlaylist, videoFileInput) | |
159 | ||
160 | const outputPath = join(baseHlsDirectory, VideoStreamingPlaylistModel.getHlsPlaylistFilename(resolution)) | |
161 | const videoFilename = generateVideoStreamingPlaylistName(video.uuid, resolution) | |
162 | ||
163 | const transcodeOptions = { | |
164 | type: 'hls' as 'hls', | |
165 | inputPath: videoInputPath, | |
166 | outputPath, | |
167 | resolution, | |
168 | copyCodecs, | |
169 | isPortraitMode, | |
170 | ||
171 | hlsPlaylist: { | |
172 | videoFilename | |
173 | } | |
174 | } | |
175 | ||
176 | logger.debug('Will run transcode.', { transcodeOptions }) | |
177 | ||
178 | await transcode(transcodeOptions) | |
179 | ||
180 | const playlistUrl = WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsMasterPlaylistStaticPath(video.uuid) | |
181 | ||
182 | const [ videoStreamingPlaylist ] = await VideoStreamingPlaylistModel.upsert({ | |
183 | videoId: video.id, | |
184 | playlistUrl, | |
185 | segmentsSha256Url: WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsSha256SegmentsStaticPath(video.uuid), | |
186 | p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrl, video.VideoFiles), | |
187 | p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION, | |
188 | ||
189 | type: VideoStreamingPlaylistType.HLS | |
190 | }, { returning: true }) as [ MStreamingPlaylistFilesVideo, boolean ] | |
191 | videoStreamingPlaylist.Video = video | |
192 | ||
193 | const newVideoFile = new VideoFileModel({ | |
194 | resolution, | |
195 | extname: extnameUtil(videoFilename), | |
196 | size: 0, | |
197 | fps: -1, | |
198 | videoStreamingPlaylistId: videoStreamingPlaylist.id | |
199 | }) | |
200 | ||
201 | const videoFilePath = getVideoFilePath(videoStreamingPlaylist, newVideoFile) | |
202 | const stats = await stat(videoFilePath) | |
203 | ||
204 | newVideoFile.size = stats.size | |
205 | newVideoFile.fps = await getVideoFileFPS(videoFilePath) | |
206 | newVideoFile.metadata = await getMetadataFromFile(videoFilePath) | |
207 | ||
208 | await createTorrentAndSetInfoHash(videoStreamingPlaylist, newVideoFile) | |
209 | ||
210 | await VideoFileModel.customUpsert(newVideoFile, 'streaming-playlist', undefined) | |
211 | videoStreamingPlaylist.VideoFiles = await videoStreamingPlaylist.$get('VideoFiles') | |
212 | ||
213 | video.setHLSPlaylist(videoStreamingPlaylist) | |
214 | ||
215 | await updateMasterHLSPlaylist(video) | |
216 | await updateSha256Segments(video) | |
217 | ||
218 | return video | |
219 | } | |
220 | ||
221 | // --------------------------------------------------------------------------- | |
222 | ||
223 | export { | |
224 | generateHlsPlaylist, | |
225 | optimizeOriginalVideofile, | |
226 | transcodeNewResolution, | |
227 | mergeAudioVideofile | |
228 | } | |
229 | ||
230 | // --------------------------------------------------------------------------- | |
231 | ||
232 | async function onVideoFileTranscoding (video: MVideoWithFile, videoFile: MVideoFile, transcodingPath: string, outputPath: string) { | |
233 | const stats = await stat(transcodingPath) | |
234 | const fps = await getVideoFileFPS(transcodingPath) | |
235 | const metadata = await getMetadataFromFile(transcodingPath) | |
236 | ||
237 | await move(transcodingPath, outputPath) | |
238 | ||
239 | videoFile.size = stats.size | |
240 | videoFile.fps = fps | |
241 | videoFile.metadata = metadata | |
242 | ||
243 | await createTorrentAndSetInfoHash(video, videoFile) | |
244 | ||
245 | const updatedVideoFile = await videoFile.save() | |
246 | ||
247 | // Add it if this is a new created file | |
248 | if (video.VideoFiles.some(f => f.id === videoFile.id) === false) { | |
249 | video.VideoFiles.push(updatedVideoFile) | |
250 | } | |
251 | ||
252 | return video | |
253 | } |