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

[Timo Rothenpieler]

>> In the mean time, common 12 bit content (YUV420P12 or P016) will be
>> correctly converted to P010 for nvenc.
> 
> What does this change have to do with 4:2:0 content?

Apparently swscale decides that any kind of 12 or 16 bit content, even
if 4:2:0, whould be converted to YUV444P16 instead of downsampling it to
P010.