aserbao
the easiest way is create a bitmap the same as the video size。
搜一下ConcurrentModificationException 的解决方案，我这边没有小米8和小米9cc
Please check your code, I migrated to androidX code is working well
It's not hard, but I have same works must to do, so I'll update Camera2 API when I have time.
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功能今天已经全部更新了
今天代码更新了，这个问题已经修复，可以下载最新的试试
视频更换音乐功能请结合单个功能里面的代码即可实现