[Bf-committers] DPX specs

[Ton Roosendaal]

Hi,

I've found it, changing the gamma in the header to 1.0 loads correctly  
in Arri software, and on my mac on GraphicConverter. Will commit this  
as default.

-Ton-

------------------------------------------------------------------------
Ton Roosendaal  Blender Foundation   ton at blender.org    www.blender.org
Blender Institute   Entrepotdok 57A  1018AD Amsterdam   The Netherlands

On 22 Aug, 2010, at 23:08, Diego B wrote:

> Hi,
>
> I remember some problems like this before, on the studio. I will check
> my code for 2.4x to see what I change in that moment (long time since
> I work with dpx).
>
> - Diego
>
>
> On Sun, Aug 22, 2010 at 11:21 AM, Campbell Barton <ideasman42 at gmail.com 
> > wrote:
>> On Sun, Aug 22, 2010 at 8:55 PM, Ton Roosendaal <ton at blender.org>  
>> wrote:
>>> Hi,
>>>
>>> Anyone on this list using DPX in commercial software? We have to
>>> deliver the Sintel frames to the film lab, and they claim that their
>>> software expects linear color in DPX files to have a gamma 2.2  
>>> applied.
>>>
>>> Blender DPX safes currently linear (straight float -> fixed point  
>>> int)
>>> but in the header of the dpx file it sets a gamma value of 1.7.
>>> Probably confusing...
>>>
>>> Some experience from the field is welcome :)
>>>
>>> Thanks,
>>>
>>> -Ton-
>>
>> note: the UI for DPX in 2.5 currently does nothing,
>> see cineon_dpx.c -> cineon_conversion_parameters() to change values.
>>
>> --
>> - Campbell
>> _______________________________________________
>> Bf-committers mailing list
>> Bf-committers at blender.org
>> http://lists.blender.org/mailman/listinfo/bf-committers
>>
> _______________________________________________
> Bf-committers mailing list
> Bf-committers at blender.org
> http://lists.blender.org/mailman/listinfo/bf-committers