The Prores specs specifically say that they are always video range.

-deke

On Wed, Jan 4, 2012 at 12:13, Ed Mendez <[email protected]> wrote:

>  We are running into a slight offset in color/levels between ProRes422HQ
> files on different systems. Resolve, Smoke, and Nuke. Just wondering if
> anyone has run into a similar issue? I don't believe it is a .mov gamma
> flag thing, but I could be wrong...
>
> We rendered some Rec709 ProRes422HQ files out of Resolve to DPX – no color
> correction added.  When the resulting DPX sequence was brought back into
> Resolve and compared to the original ProRes file – everything
> (colors/levels) matched nicely.  They also matched when compared in Smoke.
>  However, when the ProRes file was compared to the DPX files in NUKE the
> ProRes file looks like it is being read as video range while the DPX
> sequence is being read as full range.  Consequently the blacks are lifted
> and the whites dropped when looking at the DPX sequence.  The read nodes
> for each the ProRes and DPX's are both set to Rec709 as is the display.
> Equally there is a similar offset when setting the read nodes to any of the
> other colorspaces as well...
>
> To add to the matter – when the same ProRes file is rendered out of Nuke
> via Rec709  in a write node, the resulting DPX sequence will match the
> ProRes when viewing back in Nuke…
>
> Is there any way to tell Nuke to read a file as full range or video range? Or
> is the another way to address this issue?
>
> Thanks,
> ed
>
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