9.17

• Support RFF in --vpp-kfm mode=24/60.
• Fix a race in --vpp-afs subgroup aggregation.
• Add VMAF quality evaluation (--vmaf).
• Change default MPEG-2 decoding to --avsw instead of --avhw.
• Fix switching to software decoding when rff=true.
• Optimize --vpp-descale.
• Optimize --vpp-maa.
• Optimize --vpp-softlight.
• Optimize --vpp-hqdn3d.