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.
我在我的 c++ 程序中使用sws_scale函数将 YUVA420P 转换为 RGBA。似乎 alpha 通过“直接”并且不影响 RGB 通道,但我确实想预乘 alpha。
sws_scale
是否可以使用 swscale 设置转换矩阵,以便我能够实现预乘?