[FFmpeg-user] ProRes XQ 12-bit support

[Paul B Mahol]

On 4/25/18, Carl Eugen Hoyos <ceffmpeg at gmail.com> wrote:
> 2018-04-25 0:03 GMT+02:00, Gonzalo Garramuno <ggarra13 at gmail.com>:
>>
>> El 24/04/18 a las 18:32, Elliott Balsley escribio:
>>> Here are a few sources stating there is a 12-bit codec.
>>> Are you suggesting they are all wrong?
>
> Yes.
>
>> No, he is informing you that there's no 12-bit codec in ffmpeg.
>
> This is not what Paul wrote, please be more careful.

One way to prove 12 bit is really 12 bit is to encode color
gradient of 4096x4096 video size and for each column or row pick
unique shade of gray.