[FFmpeg-user] 2 pass encoding with hevc_nvenc

[Carl Eugen Hoyos]

2016-09-04 13:57 GMT+02:00 Peter White <peter.white at posteo.net>:
> 04.09.2016 13:01, Carl Eugen Hoyos:

>> If you don't want an average (but a variable) bitrate, I don't see
>> how two-pass encoding can help.
>
> To be honest, I don't either, but x264, for example, does allow
> to use CRF in the 1st pass.

My guess this is just to have a log file that you can use with
different bitrates afterwards: The quality should be much
better than with one-pass (but not on par with two-pass).

Carl Eugen