[FFmpeg-devel] [PATCH] avcodec/dpxenc: stop hardcoding color trc/primaries

[Paul B Mahol]

On Fri, Oct 09, 2020 at 01:48:46PM +0100, Kieran O Leary wrote:
> On Fri, Oct 9, 2020 at 12:10 PM Paul B Mahol <onemda at gmail.com> wrote:
> 
> > On Fri, Oct 09, 2020 at 10:08:45AM +0100, Kieran O Leary wrote:
> > > Pinging as I think my comment got lost in the conversation, my main
> > concern
> > > is about the Printing Density value aka 1,
> >
> > This patch is for encoder, not for decoder (well decoder also need fixing
> > but later).
> >
> > The meaning of 1 value is same as 0 IMHO.
> >
> 
> http://www.simplesystems.org/users/bfriesen/dpx/S268M_Revised.pdf
> I know it's an older version of the spec but pretty sure new one still has
> a value of 1 being Printing Density in tables 5a and 5b.

I never claimed different. Issue is that there is nothing like printing density in either
standardised transfer characteristic of transffer primaries.