[FFmpeg-devel] OpenEXR

[ArnoB]

On 15 aug 2012, at 16:49, Michael Niedermayer wrote:

> On Wed, Aug 15, 2012 at 12:55:57PM +0200, FFmpeg wrote:
>> Hello!
>> 
>> My first post to the list :)
>> 
>> I recently started learning C and know a bit of
>> python, so this is a nice practice for me.
>> Hopefully not too much over my head ;)
>> 
>> I'd like to add a very simple option to ffmpeg to
>> be able to at least write the most basic EXRs.
>> Currently I'm going through the info on the
>> website and the EXR reader made by Jimmy
>> Christensen.
>> 
>> I'll be lurking the list for a while...
>> 
>> One question already rose, after looking at
>> the docs. OpenEXR assumes that colour
>> values are stored as linear light as opposed to
>> most video codecs using a gamma value
>> embedded in the colour values.
> 
> 
>> 
>> Is there any 'awareness" of ffmpeg internally
>> of colourspaces and gamma values?
> 
> see AVColor*
> Theres no support to convert it automcatically yet though
> 
> [...]
> 
> -- 
> Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
> 
> 

great thanks I'll have a look at that...