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1 | import { HLS_STREAMING_PLAYLIST_DIRECTORY, P2P_MEDIA_LOADER_PEER_VERSION, WEBSERVER } from '../initializers/constants' | |
2 | import { join } from 'path' | |
3 | import { canDoQuickTranscode, getVideoFileFPS, transcode, TranscodeOptions, TranscodeOptionsType } from '../helpers/ffmpeg-utils' | |
4 | import { ensureDir, move, remove, stat } from 'fs-extra' | |
5 | import { logger } from '../helpers/logger' | |
6 | import { VideoResolution } from '../../shared/models/videos' | |
7 | import { VideoFileModel } from '../models/video/video-file' | |
8 | import { VideoModel } from '../models/video/video' | |
9 | import { updateMasterHLSPlaylist, updateSha256Segments } from './hls' | |
10 | import { VideoStreamingPlaylistModel } from '../models/video/video-streaming-playlist' | |
11 | import { VideoStreamingPlaylistType } from '../../shared/models/videos/video-streaming-playlist.type' | |
12 | import { CONFIG } from '../initializers/config' | |
13 | ||
14 | /** | |
15 | * Optimize the original video file and replace it. The resolution is not changed. | |
16 | */ | |
17 | async function optimizeVideofile (video: VideoModel, inputVideoFileArg?: VideoFileModel) { | |
18 | const videosDirectory = CONFIG.STORAGE.VIDEOS_DIR | |
19 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
20 | const newExtname = '.mp4' | |
21 | ||
22 | const inputVideoFile = inputVideoFileArg ? inputVideoFileArg : video.getOriginalFile() | |
23 | const videoInputPath = join(videosDirectory, video.getVideoFilename(inputVideoFile)) | |
24 | const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname) | |
25 | ||
26 | const transcodeType: TranscodeOptionsType = await canDoQuickTranscode(videoInputPath) | |
27 | ? 'quick-transcode' | |
28 | : 'video' | |
29 | ||
30 | const transcodeOptions: TranscodeOptions = { | |
31 | type: transcodeType as any, // FIXME: typing issue | |
32 | inputPath: videoInputPath, | |
33 | outputPath: videoTranscodedPath, | |
34 | resolution: inputVideoFile.resolution | |
35 | } | |
36 | ||
37 | // Could be very long! | |
38 | await transcode(transcodeOptions) | |
39 | ||
40 | try { | |
41 | await remove(videoInputPath) | |
42 | ||
43 | // Important to do this before getVideoFilename() to take in account the new file extension | |
44 | inputVideoFile.extname = newExtname | |
45 | ||
46 | const videoOutputPath = video.getVideoFilePath(inputVideoFile) | |
47 | ||
48 | await onVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath) | |
49 | } catch (err) { | |
50 | // Auto destruction... | |
51 | video.destroy().catch(err => logger.error('Cannot destruct video after transcoding failure.', { err })) | |
52 | ||
53 | throw err | |
54 | } | |
55 | } | |
56 | ||
57 | /** | |
58 | * Transcode the original video file to a lower resolution. | |
59 | */ | |
60 | async function transcodeOriginalVideofile (video: VideoModel, resolution: VideoResolution, isPortrait: boolean) { | |
61 | const videosDirectory = CONFIG.STORAGE.VIDEOS_DIR | |
62 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
63 | const extname = '.mp4' | |
64 | ||
65 | // We are sure it's x264 in mp4 because optimizeOriginalVideofile was already executed | |
66 | const videoInputPath = join(videosDirectory, video.getVideoFilename(video.getOriginalFile())) | |
67 | ||
68 | const newVideoFile = new VideoFileModel({ | |
69 | resolution, | |
70 | extname, | |
71 | size: 0, | |
72 | videoId: video.id | |
73 | }) | |
74 | const videoOutputPath = join(CONFIG.STORAGE.VIDEOS_DIR, video.getVideoFilename(newVideoFile)) | |
75 | const videoTranscodedPath = join(transcodeDirectory, video.getVideoFilename(newVideoFile)) | |
76 | ||
77 | const transcodeOptions = { | |
78 | type: 'video' as 'video', | |
79 | inputPath: videoInputPath, | |
80 | outputPath: videoTranscodedPath, | |
81 | resolution, | |
82 | isPortraitMode: isPortrait | |
83 | } | |
84 | ||
85 | await transcode(transcodeOptions) | |
86 | ||
87 | return onVideoFileTranscoding(video, newVideoFile, videoTranscodedPath, videoOutputPath) | |
88 | } | |
89 | ||
90 | async function mergeAudioVideofile (video: VideoModel, resolution: VideoResolution) { | |
91 | const videosDirectory = CONFIG.STORAGE.VIDEOS_DIR | |
92 | const transcodeDirectory = CONFIG.STORAGE.TMP_DIR | |
93 | const newExtname = '.mp4' | |
94 | ||
95 | const inputVideoFile = video.getOriginalFile() | |
96 | ||
97 | const audioInputPath = join(videosDirectory, video.getVideoFilename(video.getOriginalFile())) | |
98 | const videoTranscodedPath = join(transcodeDirectory, video.id + '-transcoded' + newExtname) | |
99 | ||
100 | const transcodeOptions = { | |
101 | type: 'merge-audio' as 'merge-audio', | |
102 | inputPath: video.getPreview().getPath(), | |
103 | outputPath: videoTranscodedPath, | |
104 | audioPath: audioInputPath, | |
105 | resolution | |
106 | } | |
107 | ||
108 | await transcode(transcodeOptions) | |
109 | ||
110 | await remove(audioInputPath) | |
111 | ||
112 | // Important to do this before getVideoFilename() to take in account the new file extension | |
113 | inputVideoFile.extname = newExtname | |
114 | ||
115 | const videoOutputPath = video.getVideoFilePath(inputVideoFile) | |
116 | ||
117 | return onVideoFileTranscoding(video, inputVideoFile, videoTranscodedPath, videoOutputPath) | |
118 | } | |
119 | ||
120 | async function generateHlsPlaylist (video: VideoModel, resolution: VideoResolution, isPortraitMode: boolean) { | |
121 | const baseHlsDirectory = join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid) | |
122 | await ensureDir(join(HLS_STREAMING_PLAYLIST_DIRECTORY, video.uuid)) | |
123 | ||
124 | const videoInputPath = join(CONFIG.STORAGE.VIDEOS_DIR, video.getVideoFilename(video.getFile(resolution))) | |
125 | const outputPath = join(baseHlsDirectory, VideoStreamingPlaylistModel.getHlsPlaylistFilename(resolution)) | |
126 | ||
127 | const transcodeOptions = { | |
128 | type: 'hls' as 'hls', | |
129 | inputPath: videoInputPath, | |
130 | outputPath, | |
131 | resolution, | |
132 | isPortraitMode, | |
133 | ||
134 | hlsPlaylist: { | |
135 | videoFilename: VideoStreamingPlaylistModel.getHlsVideoName(video.uuid, resolution) | |
136 | } | |
137 | } | |
138 | ||
139 | await transcode(transcodeOptions) | |
140 | ||
141 | await updateMasterHLSPlaylist(video) | |
142 | await updateSha256Segments(video) | |
143 | ||
144 | const playlistUrl = WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsMasterPlaylistStaticPath(video.uuid) | |
145 | ||
146 | await VideoStreamingPlaylistModel.upsert({ | |
147 | videoId: video.id, | |
148 | playlistUrl, | |
149 | segmentsSha256Url: WEBSERVER.URL + VideoStreamingPlaylistModel.getHlsSha256SegmentsStaticPath(video.uuid), | |
150 | p2pMediaLoaderInfohashes: VideoStreamingPlaylistModel.buildP2PMediaLoaderInfoHashes(playlistUrl, video.VideoFiles), | |
151 | p2pMediaLoaderPeerVersion: P2P_MEDIA_LOADER_PEER_VERSION, | |
152 | ||
153 | type: VideoStreamingPlaylistType.HLS | |
154 | }) | |
155 | } | |
156 | ||
157 | // --------------------------------------------------------------------------- | |
158 | ||
159 | export { | |
160 | generateHlsPlaylist, | |
161 | optimizeVideofile, | |
162 | transcodeOriginalVideofile, | |
163 | mergeAudioVideofile | |
164 | } | |
165 | ||
166 | // --------------------------------------------------------------------------- | |
167 | ||
168 | async function onVideoFileTranscoding (video: VideoModel, videoFile: VideoFileModel, transcodingPath: string, outputPath: string) { | |
169 | const stats = await stat(transcodingPath) | |
170 | const fps = await getVideoFileFPS(transcodingPath) | |
171 | ||
172 | await move(transcodingPath, outputPath) | |
173 | ||
174 | videoFile.set('size', stats.size) | |
175 | videoFile.set('fps', fps) | |
176 | ||
177 | await video.createTorrentAndSetInfoHash(videoFile) | |
178 | ||
179 | const updatedVideoFile = await videoFile.save() | |
180 | ||
181 | // Add it if this is a new created file | |
182 | if (video.VideoFiles.some(f => f.id === videoFile.id) === false) { | |
183 | video.VideoFiles.push(updatedVideoFile) | |
184 | } | |
185 | ||
186 | return video | |
187 | } |