I would like to correct a couple of lines on the following ffmpeg web page. Can 
anyone please guide me on how to do it (push patch or raise ticket or edit page)

It is definitely possible to do a complete end to end 10-bit transcode on the 
GPU pipeline without passing to system memory. I had submitted patches and 
verified this to work as well.

https://trac.ffmpeg.org/wiki/HWAccelIntro

While decoding 10 bit video is supported, it is not possible to do full 
hardware transcoding currently (see the partial hardware example below).

Partial hardware transcode, with frames passed through system memory (This is 
necessary for transcoding 10bit content):

Thanks,
Yogender


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