[FFmpeg-user] Questions about readout important metadata from DPX files ("logarthmic/linear") and recreate DPX with same metadata

[Carl Eugen Hoyos]

Christoph Gerstbauer <christophgerstbauer <at> gmail.com> writes:

> color_primaries=unknown (should this be 
> "logarithmic" or "linear" like in the mediainfo 
> information block?)

I have never asked myself what color_primaries are, 
if you are right, it is not difficult to read the 
flag.

> 3.) How can I read out the DPX Version information 
> like mediainfo does? (Version 2)

Could you explain the usecase?

Carl Eugen