Help Center/ MetaStudio/ FAQs/ APIs and SDKs/ Why Is the Inserted Video Thumbnail Missing in the Preview Image of the Video Composited Using the API?

Updated on 2025-08-22 GMT+08:00

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Why Is the Inserted Video Thumbnail Missing in the Preview Image of the Video Composited Using the API?

This is because the parameter image_config of the API for creating a virtual avatar video production task is not configured. Specifically:

When the API for creating a virtual avatar video production task is called to insert video materials, layer_type is set to VIDEO (video material layer) and video_config should be specified. You also need to specify image_config, which is used to upload an image as the inserted video thumbnail. In this way, the inserted video thumbnail can be viewed in the preview image of the composited video.

Parent topic: APIs and SDKs

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