Attribute Settings

Overview
VOD allows you to set a rich variety of attributes for media files, including media name, description, category, tag, thumbnail, timestamp information, subtitle information, expiration time, storage class, and block status.
The media name, description, category, and tags add additional information to media files to help you manage them more efficiently.
Media thumbnails, timestamps, and subtitle information can be displayed during media playback to improve the viewing experience.
Expiration time and block status enable you to automatically delete files and block non-compliant media files more easily.
Media Attribute
Description
Media name
The name of the media file, for example, the title of a movie, a TV series episode, a video course title, a product video, etc. This is used for:
Playlist: The media name  Displaying each media file by its name in the user's playlist
Media search: A user can enter a media name for prefix match or fuzzy search.
Media description
The description of the media file. Its use cases include:
Media search: A user can fuzzy search for a media file by its description.
Media category
The category of the media file, such as movie, TV series, or variety show. Its use cases include:
Media search: A user can search for files based on the specified category.
Smart cold storage: Files in the specified category can be transitioned to a colder storage class.
Media tag
The tag of the media file, such as ACG, action, or imperial drama. Its use cases include:
Media search: A user can search for files with the specified tag.
Media thumbnail
The thumbnail URL of the media file. Its use cases include:
Media asset console: Thumbnails can be displayed in the media file list.
Timestamp
Media timestamps are a set of playback time points and the content (including text, images, and links) displayed at those points. When you hover over a timestamp on the progress bar, the content at that time point will be displayed. Timestamps can be used to:
Highlights: Viewers can go directly to the important time points in a movie or the goals in a sports match, allowing them to save time during playback.
Ad: When a viewer drags the progress bar to a timestamp, the relevant ad information will be displayed.
Subtitles information
The subtitle information of the media file. It is used to display subtitles during media playback.
Expiration time
The expiration time of the media file. Once expired, the file will be automatically deleted by VOD.
Storage class
The storage class of the media file. VOD offers the following storage classes (in descending order by storage fees and file read speed): STANDARD, STANDARD_IA, ARCHIVE, and DEEP ARCHIVE. You can select an appropriate storage class based on your needs to help control your media storage costs.
Block status
The block status of the media file. You can block non-compliant media content to prevent it from being further spread.
Use Cases
Use Case                      
Description        
Online education        
Online education platforms can manage teaching videos by assigning categories and tags based on the subject content, so that students can quickly find the videos they want. The platform can also recommend relevant videos based on the category and tag information.        
Video portal        
Users can specify multiple search conditions, such as category, label, and video name, to quickly find the video they want among a massive amount of media content. Files can be bound with multilingual subtitles, allowing viewers from across the world to watch with subtitles in their own languages.     
Live streaming platform        
To meet regulatory and moderation requirements, live videos need to be recorded and retained for a certain period of time and can be deleted upon expiration. For those live videos, you can set an expiration time, and VOD will automatically delete them upon expiration to reduce storage costs.        
UGSV on social media platforms        
Short video platforms can manage different channels by category or label. For popular content, timestamp information can be added to show purchase links at certain time points. Non-compliant content can be blocked.
Directions
Relevant console guides:
Quick Edit
Filtering Video
Managing Video
Associating Subtitles
Modifying Image Category
Managing Image
Relevant server APIs:
ModifyMediaInfo
SearchMedia
DescribeMediaInfos
ForbidMediaDistribution

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Media Attribute	Description
Media name	The name of the media file, for example, the title of a movie, a TV series episode, a video course title, a product video, etc. This is used for: Playlist: The media name Displaying each media file by its name in the user's playlist Media search: A user can enter a media name for prefix match or fuzzy search.
Media description	The description of the media file. Its use cases include: Media search: A user can fuzzy search for a media file by its description.
Media category	The category of the media file, such as movie, TV series, or variety show. Its use cases include: Media search: A user can search for files based on the specified category. Smart cold storage: Files in the specified category can be transitioned to a colder storage class.
Media tag	The tag of the media file, such as ACG, action, or imperial drama. Its use cases include: Media search: A user can search for files with the specified tag.
Media thumbnail	The thumbnail URL of the media file. Its use cases include: Media asset console: Thumbnails can be displayed in the media file list.
Timestamp	Media timestamps are a set of playback time points and the content (including text, images, and links) displayed at those points. When you hover over a timestamp on the progress bar, the content at that time point will be displayed. Timestamps can be used to: Highlights: Viewers can go directly to the important time points in a movie or the goals in a sports match, allowing them to save time during playback. Ad: When a viewer drags the progress bar to a timestamp, the relevant ad information will be displayed.
Subtitles information	The subtitle information of the media file. It is used to display subtitles during media playback.
Expiration time	The expiration time of the media file. Once expired, the file will be automatically deleted by VOD.
Storage class	The storage class of the media file. VOD offers the following storage classes (in descending order by storage fees and file read speed): STANDARD, STANDARD_IA, ARCHIVE, and DEEP ARCHIVE. You can select an appropriate storage class based on your needs to help control your media storage costs.
Block status	The block status of the media file. You can block non-compliant media content to prevent it from being further spread.

Use Case	Description
Online education	Online education platforms can manage teaching videos by assigning categories and tags based on the subject content, so that students can quickly find the videos they want. The platform can also recommend relevant videos based on the category and tag information.
Video portal	Users can specify multiple search conditions, such as category, label, and video name, to quickly find the video they want among a massive amount of media content. Files can be bound with multilingual subtitles, allowing viewers from across the world to watch with subtitles in their own languages.
Live streaming platform	To meet regulatory and moderation requirements, live videos need to be recorded and retained for a certain period of time and can be deleted upon expiration. For those live videos, you can set an expiration time, and VOD will automatically delete them upon expiration to reduce storage costs.
UGSV on social media platforms	Short video platforms can manage different channels by category or label. For popular content, timestamp information can be added to show purchase links at certain time points. Non-compliant content can be blocked.

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