>>150268055
>>150268167
it uses the calculated bitrate to make to the final ffmpeg command, the options you can use in ffmpeg should be these:

--ovcopts-add=b=
--oacopts-add=b=
"--" .. tostring(type) .. "opts-add=minrate=" .. tostring(bitrate) .. "k"
"--" .. tostring(type) .. "opts-add=maxrate=" .. tostring(bitrate) .. "k"