import { NgbActiveModal, NgbModal } from '@ng-bootstrap/ng-bootstrap'
import { I18n } from '@ngx-translate/i18n-polyfill'
import { AuthService, Notifier } from '@app/core'
-import { VideoPrivacy, VideoCaption } from '@shared/models'
+import { VideoPrivacy, VideoCaption, VideoFile } from '@shared/models'
+import { FfprobeFormat, FfprobeStream } from 'fluent-ffmpeg'
+import { mapValues, pick } from 'lodash-es'
+import { NumberFormatterPipe } from '@app/shared/angular/number-formatter.pipe'
+import { BytesPipe } from 'ngx-pipes'
+import { VideoService } from '../video.service'
type DownloadType = 'video' | 'subtitles'
+type FileMetadata = { [key: string]: { label: string, value: string }}
@Component({
selector: 'my-video-download',
subtitleLanguageId: string
video: VideoDetails
+ videoFile: VideoFile
+ videoFileMetadataFormat: FileMetadata
+ videoFileMetadataVideoStream: FileMetadata | undefined
+ videoFileMetadataAudioStream: FileMetadata | undefined
videoCaptions: VideoCaption[]
activeModal: NgbActiveModal
type: DownloadType = 'video'
+ private bytesPipe: BytesPipe
+ private numbersPipe: NumberFormatterPipe
+
constructor (
private notifier: Notifier,
private modalService: NgbModal,
+ private videoService: VideoService,
private auth: AuthService,
private i18n: I18n
- ) { }
+ ) {
+ this.bytesPipe = new BytesPipe()
+ this.numbersPipe = new NumberFormatterPipe()
+ }
get typeText () {
return this.type === 'video'
this.activeModal = this.modalService.open(this.modal, { centered: true })
this.resolutionId = this.getVideoFiles()[0].resolution.id
+ this.onResolutionIdChange()
if (this.videoCaptions) this.subtitleLanguageId = this.videoCaptions[0].language.id
}
getLink () {
return this.type === 'subtitles' && this.videoCaptions
? this.getSubtitlesLink()
- : this.getVideoLink()
+ : this.getVideoFileLink()
}
- getVideoLink () {
+ async onResolutionIdChange () {
+ this.videoFile = this.getVideoFile()
+ if (this.videoFile.metadata || !this.videoFile.metadataUrl) return
+
+ await this.hydrateMetadataFromMetadataUrl(this.videoFile)
+
+ this.videoFileMetadataFormat = this.videoFile
+ ? this.getMetadataFormat(this.videoFile.metadata.format)
+ : undefined
+ this.videoFileMetadataVideoStream = this.videoFile
+ ? this.getMetadataStream(this.videoFile.metadata.streams, 'video')
+ : undefined
+ this.videoFileMetadataAudioStream = this.videoFile
+ ? this.getMetadataStream(this.videoFile.metadata.streams, 'audio')
+ : undefined
+ }
+
+ getVideoFile () {
// HTML select send us a string, so convert it to a number
this.resolutionId = parseInt(this.resolutionId.toString(), 10)
console.error('Could not find file with resolution %d.', this.resolutionId)
return
}
+ return file
+ }
+
+ getVideoFileLink () {
+ const file = this.videoFile
+ if (!file) return
const suffix = this.video.privacy.id === VideoPrivacy.PRIVATE || this.video.privacy.id === VideoPrivacy.INTERNAL
? '?access_token=' + this.auth.getAccessToken()
switchToType (type: DownloadType) {
this.type = type
}
+
+ getMetadataFormat (format: FfprobeFormat) {
+ const keyToTranslateFunction = {
+ 'encoder': (value: string) => ({ label: this.i18n('Encoder'), value }),
+ 'format_long_name': (value: string) => ({ label: this.i18n('Format name'), value }),
+ 'size': (value: number) => ({ label: this.i18n('Size'), value: this.bytesPipe.transform(value, 2) }),
+ 'bit_rate': (value: number) => ({
+ label: this.i18n('Bitrate'),
+ value: `${this.numbersPipe.transform(value)}bps`
+ })
+ }
+
+ // flattening format
+ const sanitizedFormat = Object.assign(format, format.tags)
+ delete sanitizedFormat.tags
+
+ return mapValues(
+ pick(sanitizedFormat, Object.keys(keyToTranslateFunction)),
+ (val, key) => keyToTranslateFunction[key](val)
+ )
+ }
+
+ getMetadataStream (streams: FfprobeStream[], type: 'video' | 'audio') {
+ const stream = streams.find(s => s.codec_type === type)
+ if (!stream) return undefined
+
+ let keyToTranslateFunction = {
+ 'codec_long_name': (value: string) => ({ label: this.i18n('Codec'), value }),
+ 'profile': (value: string) => ({ label: this.i18n('Profile'), value }),
+ 'bit_rate': (value: number) => ({
+ label: this.i18n('Bitrate'),
+ value: `${this.numbersPipe.transform(value)}bps`
+ })
+ }
+
+ if (type === 'video') {
+ keyToTranslateFunction = Object.assign(keyToTranslateFunction, {
+ 'width': (value: number) => ({ label: this.i18n('Resolution'), value: `${value}x${stream.height}` }),
+ 'display_aspect_ratio': (value: string) => ({ label: this.i18n('Aspect ratio'), value }),
+ 'avg_frame_rate': (value: string) => ({ label: this.i18n('Average frame rate'), value }),
+ 'pix_fmt': (value: string) => ({ label: this.i18n('Pixel format'), value })
+ })
+ } else {
+ keyToTranslateFunction = Object.assign(keyToTranslateFunction, {
+ 'sample_rate': (value: number) => ({ label: this.i18n('Sample rate'), value }),
+ 'channel_layout': (value: number) => ({ label: this.i18n('Channel Layout'), value })
+ })
+ }
+
+ return mapValues(
+ pick(stream, Object.keys(keyToTranslateFunction)),
+ (val, key) => keyToTranslateFunction[key](val)
+ )
+ }
+
+ private hydrateMetadataFromMetadataUrl (file: VideoFile) {
+ const observable = this.videoService.getVideoFileMetadata(file.metadataUrl)
+ observable.subscribe(res => file.metadata = res)
+ return observable.toPromise()
+ }
}