Netflix/vmaf v1.5.1

on GitHub

New features:

• libvmaf has been relocated, and now has its own self-enclosed source tree (./libvmaf/) and build system (meson).
• Update license to BSD+Patent.
• Migrate the build system from makefile to meson.
• Introduce a new release candidate API with the associated library libvmaf_rc and executable vmaf_rc under ./libvmaf/build.
• Add SI and TI feature extractor python classes.
• Add fixed-point SSIM implementation.
• Migrate to python3.