• Add new option to dynamically change rate control mode. (--dynamic-rc)
• Enable rff consideration by default in --vpp-afs.
• Fix wrong timestamp calculation when using bob(60fps mode) in --vpp-yadif/--vpp-nnedi.
• Now consider as --interlace auto when deinterlacer is used but no interlace setting is made.
• Avoid GPU hang when using --vpp-deinterlace and the field order was changed during the encode.
• Suppress frequently shown log messages that will slow down encoding.
• Add further log output for --check-features/--check-hw.
• Fix crush from 7.50 on Ubuntu 20.04 systems.