Add video file metadata to download modal, via ffprobe (#2411)

* Add video file metadata via ffprobe

* Federate video file metadata

* Add tests for file metadata generation

* Complete tests for videoFile metadata federation

* Lint migration and video-file for metadata

* Objectify metadata from getter in ffmpeg-utils

* Add metadataUrl to all videoFiles

* Simplify metadata API middleware

* Load playlist in videoFile when requesting metadata

1 files changed, 18 insertions, 0 deletions

diff --git a/shared/models/videos/video-file-metadata.ts b/shared/models/videos/video-file-metadata.ts
new file mode 100644
index 000000000..15683cacf
--- /dev/null
+++ b/shared/models/videos/video-file-metadata.ts
@@ -0,0 +1,18 @@
+import { FfprobeData } from "fluent-ffmpeg"
+import { DeepOmit } from "@server/models/utils"
+
+export type VideoFileMetadataModel = DeepOmit<FfprobeData, 'filename'>
+
+export class VideoFileMetadata implements VideoFileMetadataModel {
+  streams: { [x: string]: any, [x: number]: any }[]
+  format: { [x: string]: any, [x: number]: any }
+  chapters: any[]
+
+  constructor (hash: Partial<VideoFileMetadataModel>) {
+    this.chapters = hash.chapters
+    this.format = hash.format
+    this.streams = hash.streams
+
+    delete this.format.filename
+  }
+}