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DNxHD files Rendered from DR looks good in Premiere but nowhere else

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Johan Windh
DNxHD files Rendered from DR looks good in Premiere but nowhere else
on Jan 19, 2015 at 8:35:05 pm

Hi-


I'm having a mystery.


I've rendered some graded shots from Resolve Lite out as DNxHD 10-bit files.

Imported into Premiere they all look fine and dandy. BUT if I take them into AE directly, they get a washed out look. (the grade is there, as I can see traces of vignettes, masks etc, but it's all washed out and really flat)

The strange thing, is if I look at the original files through QT-player, they too look just as washed out.


The only way to see the grade as it is done, is within Premiere.



Any ideas on this?

Kind Regards,

Johan


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Joseph Owens
Re: DNxHD files Rendered from DR looks good in Premiere but nowhere else
on Jan 19, 2015 at 11:51:37 pm

Your scaling (full scale RGB vs. linear video 709) is probably wrong.

jPo

"I always pass on free advice -- its never of any use to me" Oscar Wilde.


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Johan Windh
Re: DNxHD files Rendered from DR looks good in Premiere but nowhere else
on Jan 20, 2015 at 7:04:32 pm

Thanks, that sounds plausible Joseph... So what do you recommend?

Kind Regards,

Johan


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Joseph Owens
Re: DNxHD files Rendered from DR looks good in Premiere but nowhere else
on Jan 20, 2015 at 7:50:05 pm

[Johan Windh] "So what do you recommend?"

Is there a way to check the scaling in AE? AVID allows users to pre-determine the RGB/709 scaling on import, and some applications allow the decoding to be changed in "clip attributes"... you could use Resolve to check this as well, by deliberately flipping between the scaling types in the Media Browser.

Watch your scopes to see if the black/white levels jump... in a direction you don't want them to.

jPo

"I always pass on free advice -- its never of any use to me" Oscar Wilde.


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Johan Windh
Re: DNxHD files Rendered from DR looks good in Premiere but nowhere else
on Jan 20, 2015 at 7:52:15 pm
Last Edited By Johan Windh on Jan 20, 2015 at 8:12:45 pm

Hmm.. Well I'm able, in Interpret Footage, to fiddle with Color Space.

If I here change it to HDTV (rec. 709) and turn Linear to ON, the picture gets even lighter... But that's in the wrong direction.. -.-



EDIT: And if I check "Preserve RGB" nothing happens, still flat looking.

I also found out that there are some other settings in AE you have to think of when changing Color Space, (like emptying cache etc.) and now I see a difference when choosing Rec 709, even without enabling Linear mode. But still... It gets even lighter.. Not darker which is what I'm looking for..


There's nothing "wrong" on the Resolve side of things?


Kind Regards,

Johan


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Bill Ravens
Re: DNxHD files Rendered from DR looks good in Premiere but nowhere else
on Jan 20, 2015 at 9:40:46 pm
Last Edited By Bill Ravens on Jan 20, 2015 at 9:43:47 pm

How are you exporting the files in DR (daVinci resolve?), Video or data? Quicktime has some very weird ways of automagically remapping ranges that can be quite infuriating, and invisible to the user.

As you noted, there's a lot of options when you choose AE to manage the color space. Regardless, as long as there's no clipping going on, you can spend a lot of time diagnosing the problem, when it's a lot easier to adjust the gain and pedestal within AE to the right values.



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Johan Windh
Re: DNxHD files Rendered from DR looks good in Premiere but nowhere else
on Jan 21, 2015 at 9:38:09 am
Last Edited By Johan Windh on Jan 21, 2015 at 9:40:09 am

I've tried Video and Auto levels..

Will give Data a try.. It's intererstingh that rhe gamma difference also is visible when playing the files in QT player.


I should also add that the files are DNxHD 4444.

Kind Regards,

Johan


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John Tissavary
Re: DNxHD files Rendered from DR looks good in Premiere but nowhere else
on Jan 25, 2015 at 6:11:13 pm

Or you could export and composite with openEXR, DPX, or Cineon image file sequences and avoid all this automagical mxf or quicktime 'video colorspace' voodoo nonsense in the first place.

John Tissavary
colorist
The Post Collective NYC


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Marc Wielage
Re: DNxHD files Rendered from DR looks good in Premiere but nowhere else
on Jan 20, 2015 at 6:02:39 am

Render out 100% color bars and also a few seconds of grayscale, and see if these test signals look identical to the originals. You can always bring those files into Resolve and A/B them with the actual files in the timeline.


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Timo Teravainen
Re: DNxHD files Rendered from DR looks good in Premiere but nowhere else
on Jan 22, 2015 at 8:43:03 pm

When importing DNxHD renders from Resolve to Premiere CS6, the "full scale" -ones look right. This has changed with Premiere CC. Now the normally scaled looks right also. The Premiere CC seems to recognize the scaling, unlike CS6. And it usually makes more sense to render normally scaled.


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