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

[Dave Rice]

Hi Christoph,

> On Mar 14, 2015, at 7:35 AM, Christoph Gerstbauer <christophgerstbauer at gmail.com> wrote:
> 
>> ISTR that imagemagick/graphicsmagick have quite good DPX metadata extraction
>> 
>> "$ [gm] identify -verbose some-file.dpx"
>> 
>> see:-
>> 
>> http://www.imagemagick.org/script/motion-picture.php
>> 
>> and
>> http://www.graphicsmagick.org/motion-picture.html#dpx-attributes
>> 
>> Note that there are both film and television frame rate values that may
>> not match!
>> 
> Hello Tim!
> 
> thank you, thats a very good tool, especially graphics magick :)
> 
> But I can find just one frameratein the list:
> 
> dpx:mp.frame.rate
> 
> 
> Where is the second one you were talking about?

You can identify the source of the frame rate with a bit more clarity with mediainfo if run like
mediainfo --inform="Details;1" file.dpx

Dave Rice