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1 | import { FfprobeFormat, FfprobeStream } from 'fluent-ffmpeg' | |
2 | import { mapValues, pick } from 'lodash-es' | |
3 | import { BytesPipe } from 'ngx-pipes' | |
4 | import { Component, ElementRef, ViewChild } from '@angular/core' | |
5 | import { AuthService, Notifier } from '@app/core' | |
6 | import { NgbActiveModal, NgbModal } from '@ng-bootstrap/ng-bootstrap' | |
7 | import { I18n } from '@ngx-translate/i18n-polyfill' | |
8 | import { VideoCaption, VideoFile, VideoPrivacy } from '@shared/models' | |
9 | import { NumberFormatterPipe, VideoDetails, VideoService } from '../shared-main' | |
10 | ||
11 | type DownloadType = 'video' | 'subtitles' | |
12 | type FileMetadata = { [key: string]: { label: string, value: string }} | |
13 | ||
14 | @Component({ | |
15 | selector: 'my-video-download', | |
16 | templateUrl: './video-download.component.html', | |
17 | styleUrls: [ './video-download.component.scss' ] | |
18 | }) | |
19 | export class VideoDownloadComponent { | |
20 | @ViewChild('modal', { static: true }) modal: ElementRef | |
21 | ||
22 | downloadType: 'direct' | 'torrent' = 'torrent' | |
23 | resolutionId: number | string = -1 | |
24 | subtitleLanguageId: string | |
25 | ||
26 | video: VideoDetails | |
27 | videoFile: VideoFile | |
28 | videoFileMetadataFormat: FileMetadata | |
29 | videoFileMetadataVideoStream: FileMetadata | undefined | |
30 | videoFileMetadataAudioStream: FileMetadata | undefined | |
31 | videoCaptions: VideoCaption[] | |
32 | activeModal: NgbActiveModal | |
33 | ||
34 | type: DownloadType = 'video' | |
35 | ||
36 | private bytesPipe: BytesPipe | |
37 | private numbersPipe: NumberFormatterPipe | |
38 | ||
39 | constructor ( | |
40 | private notifier: Notifier, | |
41 | private modalService: NgbModal, | |
42 | private videoService: VideoService, | |
43 | private auth: AuthService, | |
44 | private i18n: I18n | |
45 | ) { | |
46 | this.bytesPipe = new BytesPipe() | |
47 | this.numbersPipe = new NumberFormatterPipe() | |
48 | } | |
49 | ||
50 | get typeText () { | |
51 | return this.type === 'video' | |
52 | ? this.i18n('video') | |
53 | : this.i18n('subtitles') | |
54 | } | |
55 | ||
56 | getVideoFiles () { | |
57 | if (!this.video) return [] | |
58 | ||
59 | return this.video.getFiles() | |
60 | } | |
61 | ||
62 | show (video: VideoDetails, videoCaptions?: VideoCaption[]) { | |
63 | this.video = video | |
64 | this.videoCaptions = videoCaptions && videoCaptions.length ? videoCaptions : undefined | |
65 | ||
66 | this.activeModal = this.modalService.open(this.modal, { centered: true }) | |
67 | ||
68 | this.resolutionId = this.getVideoFiles()[0].resolution.id | |
69 | this.onResolutionIdChange() | |
70 | if (this.videoCaptions) this.subtitleLanguageId = this.videoCaptions[0].language.id | |
71 | } | |
72 | ||
73 | onClose () { | |
74 | this.video = undefined | |
75 | this.videoCaptions = undefined | |
76 | } | |
77 | ||
78 | download () { | |
79 | window.location.assign(this.getLink()) | |
80 | this.activeModal.close() | |
81 | } | |
82 | ||
83 | getLink () { | |
84 | return this.type === 'subtitles' && this.videoCaptions | |
85 | ? this.getSubtitlesLink() | |
86 | : this.getVideoFileLink() | |
87 | } | |
88 | ||
89 | async onResolutionIdChange () { | |
90 | this.videoFile = this.getVideoFile() | |
91 | if (this.videoFile.metadata || !this.videoFile.metadataUrl) return | |
92 | ||
93 | await this.hydrateMetadataFromMetadataUrl(this.videoFile) | |
94 | ||
95 | this.videoFileMetadataFormat = this.videoFile | |
96 | ? this.getMetadataFormat(this.videoFile.metadata.format) | |
97 | : undefined | |
98 | this.videoFileMetadataVideoStream = this.videoFile | |
99 | ? this.getMetadataStream(this.videoFile.metadata.streams, 'video') | |
100 | : undefined | |
101 | this.videoFileMetadataAudioStream = this.videoFile | |
102 | ? this.getMetadataStream(this.videoFile.metadata.streams, 'audio') | |
103 | : undefined | |
104 | } | |
105 | ||
106 | getVideoFile () { | |
107 | // HTML select send us a string, so convert it to a number | |
108 | this.resolutionId = parseInt(this.resolutionId.toString(), 10) | |
109 | ||
110 | const file = this.getVideoFiles().find(f => f.resolution.id === this.resolutionId) | |
111 | if (!file) { | |
112 | console.error('Could not find file with resolution %d.', this.resolutionId) | |
113 | return | |
114 | } | |
115 | return file | |
116 | } | |
117 | ||
118 | getVideoFileLink () { | |
119 | const file = this.videoFile | |
120 | if (!file) return | |
121 | ||
122 | const suffix = this.video.privacy.id === VideoPrivacy.PRIVATE || this.video.privacy.id === VideoPrivacy.INTERNAL | |
123 | ? '?access_token=' + this.auth.getAccessToken() | |
124 | : '' | |
125 | ||
126 | switch (this.downloadType) { | |
127 | case 'direct': | |
128 | return file.fileDownloadUrl + suffix | |
129 | ||
130 | case 'torrent': | |
131 | return file.torrentDownloadUrl + suffix | |
132 | } | |
133 | } | |
134 | ||
135 | getSubtitlesLink () { | |
136 | return window.location.origin + this.videoCaptions.find(caption => caption.language.id === this.subtitleLanguageId).captionPath | |
137 | } | |
138 | ||
139 | activateCopiedMessage () { | |
140 | this.notifier.success(this.i18n('Copied')) | |
141 | } | |
142 | ||
143 | switchToType (type: DownloadType) { | |
144 | this.type = type | |
145 | } | |
146 | ||
147 | getMetadataFormat (format: FfprobeFormat) { | |
148 | const keyToTranslateFunction = { | |
149 | 'encoder': (value: string) => ({ label: this.i18n('Encoder'), value }), | |
150 | 'format_long_name': (value: string) => ({ label: this.i18n('Format name'), value }), | |
151 | 'size': (value: number) => ({ label: this.i18n('Size'), value: this.bytesPipe.transform(value, 2) }), | |
152 | 'bit_rate': (value: number) => ({ | |
153 | label: this.i18n('Bitrate'), | |
154 | value: `${this.numbersPipe.transform(value)}bps` | |
155 | }) | |
156 | } | |
157 | ||
158 | // flattening format | |
159 | const sanitizedFormat = Object.assign(format, format.tags) | |
160 | delete sanitizedFormat.tags | |
161 | ||
162 | return mapValues( | |
163 | pick(sanitizedFormat, Object.keys(keyToTranslateFunction)), | |
164 | (val, key) => keyToTranslateFunction[key](val) | |
165 | ) | |
166 | } | |
167 | ||
168 | getMetadataStream (streams: FfprobeStream[], type: 'video' | 'audio') { | |
169 | const stream = streams.find(s => s.codec_type === type) | |
170 | if (!stream) return undefined | |
171 | ||
172 | let keyToTranslateFunction = { | |
173 | 'codec_long_name': (value: string) => ({ label: this.i18n('Codec'), value }), | |
174 | 'profile': (value: string) => ({ label: this.i18n('Profile'), value }), | |
175 | 'bit_rate': (value: number) => ({ | |
176 | label: this.i18n('Bitrate'), | |
177 | value: `${this.numbersPipe.transform(value)}bps` | |
178 | }) | |
179 | } | |
180 | ||
181 | if (type === 'video') { | |
182 | keyToTranslateFunction = Object.assign(keyToTranslateFunction, { | |
183 | 'width': (value: number) => ({ label: this.i18n('Resolution'), value: `${value}x${stream.height}` }), | |
184 | 'display_aspect_ratio': (value: string) => ({ label: this.i18n('Aspect ratio'), value }), | |
185 | 'avg_frame_rate': (value: string) => ({ label: this.i18n('Average frame rate'), value }), | |
186 | 'pix_fmt': (value: string) => ({ label: this.i18n('Pixel format'), value }) | |
187 | }) | |
188 | } else { | |
189 | keyToTranslateFunction = Object.assign(keyToTranslateFunction, { | |
190 | 'sample_rate': (value: number) => ({ label: this.i18n('Sample rate'), value }), | |
191 | 'channel_layout': (value: number) => ({ label: this.i18n('Channel Layout'), value }) | |
192 | }) | |
193 | } | |
194 | ||
195 | return mapValues( | |
196 | pick(stream, Object.keys(keyToTranslateFunction)), | |
197 | (val, key) => keyToTranslateFunction[key](val) | |
198 | ) | |
199 | } | |
200 | ||
201 | private hydrateMetadataFromMetadataUrl (file: VideoFile) { | |
202 | const observable = this.videoService.getVideoFileMetadata(file.metadataUrl) | |
203 | observable.subscribe(res => file.metadata = res) | |
204 | return observable.toPromise() | |
205 | } | |
206 | } |