Magento_ProductVideo module
This module implements functionality related with linking video files from external resources to product.
Installation
Before installing this module, note that the Magento_ProductAlert is dependent on the following modules:
Magento_CatalogMagento_Backend
The Magento_ProductVideo module creates the catalog_product_entity_media_gallery_value_video table in the database.
All database schema changes made by this module are rolled back when the module gets disabled and setup:upgrade command is run.
For information about a module installation in Magento 2, see Enable or disable modules.
Extensibility
Extension developers can interact with the Magento_ProductVideo module. For more information about the Magento extension mechanism, see Magento plug-ins.
The Magento dependency injection mechanism enables you to override the functionality of the Magento_ProductVideo module.
A lot of functionality in the module is on JavaScript, use mixins to extend it.
Layouts
This module introduces the following layouts in the view/frontend/layout and view/adminhtml/layout directories:
view/adminhtml/layoutcatalog_product_new
view/frontend/layoutcatalog_product_view
For more information about a layout in Magento 2, see the Layout documentation.
UI components
This module extends following ui components located in the view/adminhtml/ui_component directory:
product_form
For information about a UI component in Magento 2, see Overview of UI components.
Additional information
More information can get at articles:

