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VideoThumbnail

AI-generated Key Takeaways

The content lists different types of video thumbnails as enums.
These enum types specify whether the thumbnail is default, auto-generated, user-uploaded, or generated from the video (up to three options).
There are also enums for unspecified or unknown types of video thumbnails.

Enum listing the possible types of a video thumbnail.

Enums
`UNSPECIFIED`	The type has not been specified.
`UNKNOWN`	The received value is not known in this version. This is a response-only value.
`DEFAULT_THUMBNAIL`	The default thumbnail. Can be auto-generated or user-uploaded.
`THUMBNAIL_1`	Thumbnail 1, generated from the video.
`THUMBNAIL_2`	Thumbnail 2, generated from the video.
`THUMBNAIL_3`	Thumbnail 3, generated from the video.

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Last updated 2025-10-10 UTC.