Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
我试图在视频资产上叠加图像，并且还认为应该有某种方法可以在另一个视频上叠加 Alpha 通道视频。
有没有办法在另一个视频资产上叠加一个 Alpha 通道视频？