[FFmpeg-devel] [PATCH 1/2] avutil: Add MSB packed YUV444P10 format

[Philip Langdale]

On 2017-02-02 08:26, wm4 wrote:
> 
> Does supporting the nvenc 4:4:4 format even have any advantage? Does it
> support encoding something non-4:2:0? If not, then the first option is
> probably preferable for now.

With sufficiently new hardware it does. It will output h.264 or hevc
with 4:4:4 by default if given a 4:4:4 input format.

I noted that as an additional disadvantage of the current logic. It'll 
produce
4:4:4 output for >10bit 4:2:0 input, which is unnecessarily incompatible
with the wider world.

--phil