[FFmpeg-devel] [PATCH] avformat/movenc: Add support for more colorspaces

Steven Robertson steven at strobe.cc
Fri Dec 15 09:22:49 EET 2017

Actually QT has supported these codepoints for some time now internally,
but not officially. That said, I modified this to write nonsense values and
it interpreted everything as Rec 601 625 aka 470BG, which isn't great (I
think the default for anything should be 709 these days) but is not crazy
either. I presume the same behavior applies to very old versions of
QuickTime looking at these new codepoints.

On Dec 14, 2017 6:51 PM, "Carl Eugen Hoyos" <ceffmpeg at gmail.com> wrote:

> 2017-12-14 20:52 GMT+01:00 Steven Robertson <steven at strobe.cc>:
> > With FCPX 10.4, Apple has expanded the set of colorspace,
> > primaries, and trc flags officially supported in QuickTime files.
> What happens if new files (with new colorspace etc.) areplayed
> back with older QT?
> Carl Eugen
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