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