[FFmpeg-devel] [PATCH] avfilter/vf_scale: set RGB to always be full range

Michael Niedermayer michael at niedermayer.cc
Thu Sep 17 23:21:58 EEST 2020


On Thu, Sep 17, 2020 at 11:10:29AM +0100, Kevin Wheatley wrote:
> On Wed, Sep 16, 2020 at 9:43 PM Jan Ekström <jeebjp at gmail.com> wrote:
> >
> > On Wed, Sep 16, 2020 at 11:38 PM Michael Niedermayer
> > <michael at niedermayer.cc> wrote:
> > > Does anything document the meaning of range or AVCOL_RANGE for RGB ?
> > > The enum is documented as "MPEG vs JPEG YUV range."
> > >
> > > What is limited range RGB ? what would the ranges of R,G,B be and where
> > > is that specified ?
> 
> EBU only describes full range for 'file' based images
> 
> https://tech.ebu.ch/docs/r/r103.pdf
> 
> but ITU https://www.itu.int/dms_pubrec/itu-r/rec/bt/R-REC-BT.2100-2-201807-I!!PDF-E.pdf

thanks for the links!

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Observe your enemies, for they first find out your faults. -- Antisthenes
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