Everything works as you said.
Especially YUV420P10 patch is very good.
Thank you, oviano.

oviano wrote:I have an ffmpeg build which *should* enable YUV444p and YUV444p10le (i.e. 10-bit) HEVC encoding using the latest Nvidia NVENC SDK if anyone is interested in testing...

I'm very intereted in testing.
Can you send me your build to [email protected]?
I'll feedback ASAP.
Thank you.

Hello.
I bought new pascal graphics card(gtx1070) a few days ago.
I know new pascal gpu can encode HEVC 10bit with NVENC.
(https://developer.nvidia.com/nvidia-video-codec-sdk)

But I don't know how to use this function with ffmpeg.
Please help me.
Sorry for my bad english.
Thank you.