[FFmpeg-devel] [PATCH 3/4] avformat/movenc: force colr atom for uncompressed yuv in mov
derek.buitenhuis at gmail.com
Wed Nov 22 16:07:37 EET 2017
On 11/22/2017 1:33 PM, Kevin Wheatley wrote:
> The guess work comes from this list:
It's a mistake to conflate resolutions with the standards listed there. It does not
list any heuristics, just a set of standards and associated values. No info falls
under "Anything Else", IMO.
> and I agree is the source of a lot of chaos, but it is what several
> tools have done in the absence of any specified values.
"Other tools use heuristics too" is a bad rationale for creating such files by default.
> My usage of the feature is to write the atom when I need to by
> explicitly enabling it on the command line and I also explicitly set
> the metadata either from the input file, or by overriding on the
> command line.
This use-case is preserved if we leave the heuristics as an option, which I'm
totally OK with.
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