In the world of creative assets, isn't usually a viral video. Instead, it is a functional utility file:
Since MP4 files don't natively support transparency well, creators use a white.mp4 file as an "alpha mask." The white areas tell the software where to show the video, and black areas tell it where to hide it. white.mp4
it into a website or app code (like React or HTML5) What settings are needed to remove black screen from video? In the world of creative assets, isn't usually a viral video