[FFmpeg-user] Questions regarding hevc_videotoolbox encoding

[Nomis101 🐝]

Am 26.09.18 um 21:27 schrieb Carl Eugen Hoyos:
> This is not unexpected.
>
> Feel free to try even higher bit-rates or main10 profile.

Yes, main10 gives little bit nicer results. It seems to me there is a 
bitrate limit. If I use 30000k for example (same as source) ffmpeg 
everages to 22000k. How to determine the optimal bitrate? Should it be 
the same as the source or lower than that, how much lower?