[FFmpeg-user] DNXHR444 and 12 bits encoding support

Paul B Mahol onemda at gmail.com
Tue Sep 12 12:02:20 EEST 2017

On 9/12/17, Richard Van Den Boom <rvdb at cryptolab.net> wrote:
> Hi,
> I'm interested in creating masters of short films using DNXHR444
> profiles.
> According to the DNXHR specs :
> https://en.wikipedia.org/wiki/DNxHR_codec
> DNXHR444 should be using 12bits color depth.
> However DNXHR encoding support in ffmpeg seems to be limited to 10bits
> (as DNXHD). When requesting yuv444p12le or yuv444p12be, ffmpeg tells me
> the pixel format is invalid and uses yuv444p10le.
> I'm not 100% sure the usual video software in the market like Avid or
> Premiere will support DNXHR444 in 10bits and I would prefer having the
> maximum depth as possible (I use 16bits sources).
> I saw that 12bits DNXHR444 decoding was supported.
> Is there a way to force 12 bits depth with DNXHR encoding? If not, is
> there any plan to support it?

No and no.

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