A large amount of media assets are generated after media upload and media processing are complete. ApsaraVideo VOD provides a unified and powerful media asset management service and allows you to manage media assets in the console or by calling operations. This topic describes the information, type, media asset management feature, methods to manage media assets, and scenarios of ApsaraVideo VOD.
What is media asset information?
During content production, a large amount of business data is generated, including audios, videos, images, and texts. Related data including the business data and metadata that describes the business data are called media asset information.
Media asset type
Mezzanine file information
Includes the file name, duration, size, status, width, height, frame rate, URL, bitrate, output file type, and creation time.
Includes the video stream bitrate, definition, duration, encryption status, playback URL, format, frame rate, width, height, stream type, transcoding job ID, watermark ID, stream status, creation time, and modification time.
For more information, see Audio and video playback.
Media asset management features
Unified and powerful media asset management services can reduce the cost to maintain a large amount of content.
ApsaraVideo VOD allows you to obtain media asset information, update media asset information, search for media asset information, download media files, and delete media files.
Obtain media asset information
Obtains the basic information about a media asset based on the media asset ID. You must call operations based on the media asset type.
Update media asset information
Modifies media asset information such as the title, description, category, and tag. Parameters such as the size, status, and storage region cannot be modified.
Search for media asset information
Searches for basic information about media assets. The title and description parameters use a tokenizer to support fuzzy search. The SearchMedia operation and the media asset search protocol apply to all media asset types.
Download media files
Delete media files
ApsaraVideo VOD can generate multiple types of media files, which include mezzanine files, transcoded stream files, video snapshot files, and uploaded image files. ApsaraVideo VOD allows you to delete media files at granularity level.
Media asset management methods
You can manage media assets in the ApsaraVideo VOD console or by calling the API operations.
After ApsaraVideo VOD is activated, log on to the ApsaraVideo VOD console, In the left-side navigation pane, choose Media Files , click Audio/Video, Image or Short Video Material. On the Audio/Video, Image or Short Video Material page, you can manage media assets. You can upload, delete, update, view, and search for audio, video, and image files. When you delete media asset information, mezzanine files are permanently deleted and cannot be recovered. For more information, see Media asset management.
Call the API operations
You can call the API operations provided by ApsaraVideoVOD to search for audio, video, and image files, view media file details, update multiple media files at a time, and delete API operations. For more information, see API references of media asset management.
You can manage the complete metadata of multiple types of media assets such as videos and images. This reduces the cost to maintain a large amount of content.
You can obtain media asset information in multiple ways. The title and description parameters use a tokenizer to improve the search performance so that you can quickly find the required information. This facilitates long-term and frequent use of media content.
Media assets are associated with each other such as audios, videos, images, texts, stream information, and AI data information are associated. For one media asset, you can conveniently find associated media assets. For example, you can conveniently find the snapshots, thumbnail, playback information, and AI data associated with a video.
Materials are provided for subsequent content production. You can use existing materials in multiple content production stages such as editing and transcoding.
URLs are generated for all files involved in media asset management. This allows you to conveniently share and distribute these files.