Threads
Specifies the number of processor threads to use.
Use zero to use the maximum number of possible threads.
Priority
Specifies the Windows process priority used for FFmpeg.
Ignore validation
If enabled, a FFmpeg conversion will proceed even if some parameters are wrong.
Create BAT file
If enabled, the FFmpeg is not launched. Instead, the shell command is saved as .bat file.
Workcopies
Speed up H264/H265
If enabled, H264 and H265 conversions are optimized.
Hardcopies
Speed up H264/H265
If enabled, H264 conversions are optimized.
Speed up H265
If enabled, H265 conversions are optimized.
Speed up ProRes
If enabled, ProRes conversions are optimized.
FFmpeg will use the "-preset:v superfast" option to speed up H264 and H265.
For CUDA accelerated, "-preset:v fast" is used instead.
For ProRes, option "-qscale 4" is used.