Use the Vector Scalar Extension v.2 instruction set (POWER8 and later)
Name Category Description
ffmpeg media-video Complete solution to record/convert/stream audio and video. Includes libavcodec
libgcrypt dev-libs General purpose crypto library based on the code used in GnuPG
nettle dev-libs Low-level cryptographic library
x265 media-libs Library for encoding video streams into the H.265/HEVC format
zlib-ng sys-libs Fork of the zlib data compression library

Thank you!