1.修改x264,aac,ffmpeg编译选项
https://blog.csdn.net/jiangzhuo18273176294/article/details/70445961
2.打开neon,修正参数,加入汇编优化
https://blog.csdn.net/carlzhong/article/details/8248977
3,修正码率,x264参数快速编码
https://blog.csdn.net/mengzhengjie/article/details/52066551
低延迟
x264提高了一个 -tune zerolatency 选项。
4.强制输出关键帧
https://blog.csdn.net/bjrxyz/article/details/71037864
5.x264性能优化