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0c9668f7 C |
1 | import EventEmitter from 'events' |
2 | import { LoggerTagsFn } from '@server/helpers/logger' | |
3 | import { MStreamingPlaylistVideo, MVideoLiveVideo } from '@server/types/models' | |
4 | import { LiveVideoError } from '@shared/models' | |
5 | ||
6 | interface TranscodingWrapperEvents { | |
7 | 'end': () => void | |
8 | ||
9 | 'error': (options: { err: Error }) => void | |
10 | } | |
11 | ||
12 | declare interface AbstractTranscodingWrapper { | |
13 | on<U extends keyof TranscodingWrapperEvents>( | |
14 | event: U, listener: TranscodingWrapperEvents[U] | |
15 | ): this | |
16 | ||
17 | emit<U extends keyof TranscodingWrapperEvents>( | |
18 | event: U, ...args: Parameters<TranscodingWrapperEvents[U]> | |
19 | ): boolean | |
20 | } | |
21 | ||
22 | interface AbstractTranscodingWrapperOptions { | |
23 | streamingPlaylist: MStreamingPlaylistVideo | |
24 | videoLive: MVideoLiveVideo | |
25 | ||
26 | lTags: LoggerTagsFn | |
27 | ||
28 | inputUrl: string | |
29 | fps: number | |
30 | toTranscode: { | |
31 | resolution: number | |
32 | fps: number | |
33 | }[] | |
34 | ||
35 | bitrate: number | |
36 | ratio: number | |
37 | hasAudio: boolean | |
38 | ||
39 | segmentListSize: number | |
40 | segmentDuration: number | |
41 | ||
42 | outDirectory: string | |
43 | } | |
44 | ||
45 | abstract class AbstractTranscodingWrapper extends EventEmitter { | |
46 | protected readonly videoLive: MVideoLiveVideo | |
47 | ||
48 | protected readonly toTranscode: { | |
49 | resolution: number | |
50 | fps: number | |
51 | }[] | |
52 | ||
53 | protected readonly inputUrl: string | |
54 | protected readonly fps: number | |
55 | protected readonly bitrate: number | |
56 | protected readonly ratio: number | |
57 | protected readonly hasAudio: boolean | |
58 | ||
59 | protected readonly segmentListSize: number | |
60 | protected readonly segmentDuration: number | |
61 | ||
62 | protected readonly videoUUID: string | |
63 | ||
64 | protected readonly outDirectory: string | |
65 | ||
66 | protected readonly lTags: LoggerTagsFn | |
67 | ||
68 | protected readonly streamingPlaylist: MStreamingPlaylistVideo | |
69 | ||
70 | constructor (options: AbstractTranscodingWrapperOptions) { | |
71 | super() | |
72 | ||
73 | this.lTags = options.lTags | |
74 | ||
75 | this.videoLive = options.videoLive | |
76 | this.videoUUID = options.videoLive.Video.uuid | |
77 | this.streamingPlaylist = options.streamingPlaylist | |
78 | ||
79 | this.inputUrl = options.inputUrl | |
80 | this.fps = options.fps | |
81 | this.toTranscode = options.toTranscode | |
82 | ||
83 | this.bitrate = options.bitrate | |
84 | this.ratio = options.ratio | |
85 | this.hasAudio = options.hasAudio | |
86 | ||
87 | this.segmentListSize = options.segmentListSize | |
88 | this.segmentDuration = options.segmentDuration | |
89 | ||
90 | this.outDirectory = options.outDirectory | |
91 | } | |
92 | ||
93 | abstract run (): Promise<void> | |
94 | ||
95 | abstract abort (error?: LiveVideoError): void | |
96 | } | |
97 | ||
98 | export { | |
99 | AbstractTranscodingWrapper, | |
100 | AbstractTranscodingWrapperOptions | |
101 | } |