[FFmpeg-devel] NVENC H.265 4K Uncatchable 60fps Performance

Timo Rothenpieler timo at rothenpieler.org
Fri Apr 10 13:13:29 CEST 2015

> I have a few questions.
> I will be grateful is someone can give an idea / reply.
> 1) On nvenc.c under libavcodec, is it possible to create more than one
> instance of nvenc to perform 4K 60 fps encoding using
> nvEncodeAPICreateInstance ?

You could encode two independend video streams at 30 fps each. There is 
no way two encode sessions can work on the same video stream.

> Is there any way to stack videos without re-encoding ?

No, that's not possible.

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