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

[tim nicholson]

On 12/03/15 16:09, Christoph Gerstbauer wrote:
> 
> [..]
> There exist one DPX metadata reader/editor only for MAC OS.
> Which this tool I checked the FrameRate values in the DPX: most DPX had
> no value written, so ffmpeg GUESSES the fps I think.
> One DPX had the value 24fps, but FFmpeg also showed me "25fps".
> Anyhow: I am not shure if this metadata reader is THE reference
> application for DPX. :/ I just mentioned it that there are more
> informations in the DPX than ffprobe is able to show me.
> 

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!


> br
> Christoph
>[..]
-- 
Tim.
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