Function uploadYouTubeLivestreamThumbnail

uploadYouTubeLivestreamThumbnail(
    accessToken: string,
    videoId: string,
    fileBytes: Buffer<ArrayBufferLike> | Uint8Array<ArrayBufferLike>,
    contentType: string,
    signal?: AbortSignal,
): Promise<
    { ok: true; thumbnailUrl: string }
    | { ok: false; details: string },
>
Uploads a custom thumbnail for a YouTube live broadcast video via thumbnails.set.
Parameters
- accessToken: string
  OAuth access token with YouTube write scope.
- videoId: string
  Underlying video id for the live broadcast.
- fileBytes: Buffer<ArrayBufferLike> | Uint8Array<ArrayBufferLike>
  Thumbnail image bytes (JPEG or PNG).
- contentType: string
  MIME type of the thumbnail image.
- Optionalsignal: AbortSignal
  Optional abort signal.
Returns Promise<{ ok: true; thumbnailUrl: string } | { ok: false; details: string }>
Default thumbnail URL from the API response, or upstream error details.
- Defined in lib/platforms/youtube-livestream-api.ts:944