Search: "background"
ST_ClipToRast - ApsaraDB for RDS Documentation
) from clip_table where id =1; -- Use white as the background color and store the output in a permanent table. INSERT INTO ...
Attributes and methods - ApsaraVideo for VOD Documentation
default value is false.If you need to enable background playback, set this attribute to true.For more information, see Immersive mode ...