The video data bytes. If unset, the input video(s) should be
specified via input_uri. If set, input_uri should be
unset.
Additional video context and/or feature-specific parameters.
Optional. Cloud region where annotation should take place.
Supported cloud regions: us-east1, us-west1, europe-
west1, asia-east1. If no region is specified, a region
will be determined based on video file location.