Results 5 issues of jinboson

Hi, Have any plans to implement hardware encoding ,something like using gstreamer-vaapi ?

Update elfhacks.h to support loongarch architecture

With the bench_dwt utility, on loongarch64: before changes: 30.990 s with LASX optimization: 3.334 s

We have integrated simde into AV subdirectory and removed unused files, which does not need system-dependent simde header files. We have tested locally on X86 and LoongArch platform, it seems...