[Bf-committers] jpeg2000 read/write support.

Campbell Barton ideasman42 at gmail.com
Sun Jan 4 22:22:26 CET 2009

This isnt planned spesifically, I should have mentioned before the
intention is to support "Digital Cinema System Specification" JPEG2000
See http://en.wikipedia.org/wiki/Digital_Cinema_Initiatives#The_DCI_Specification

Though metadata such as stamp and 3d location could be added later on.

On Sun, Jan 4, 2009 at 5:10 AM, Dalai Felinto <dfelinto at gmail.com> wrote:
> Hi,
> I used to use jpg2000 to work with aero-photos in AutoCAD.
> IIRC Jpeg2000 has support for world coordinates and a kind of embed
> multimap (I forgot the right name, maybe multisampling).
> Are you planning to support this as well? (maybe some interface to
> assign a relation between Blender coordinates and the photo
> coordinates).
> Cheers,
> Dalai
> http://blenderecia.orgfree.com
> 2009/1/4 Campbell Barton <ideasman42 at gmail.com>:
>> Recently I was asked to add jpeg2000 (*.jp2) writing into blender, I
>> had a look into this and its just a matter of adding the right calls
>> to OpenJPEG that blender alredy comes with and adding a new format to
>> ImLib.
>> I'll double check they know about OpenEXR and other high colordepth
>> formats, otherwise is there any issues with adding jpeg2000 to the
>> list of supported blender image formats (compile time option
>> Some advantage from looking over the docs - 8 ,16 or 32bit color
>> channels (can convert from blenders float buffer when writing), alpha
>> channel support.
>> as well as better compression I assume, More apps are supporting
>> jpeg2000, gtk builds with it by default now.
>> Managed to get RGB 8bit JP2 images loading ok, though writing is
>> probably the complicated part.
>> Would be interested in Peter's feedback on this too.
>> --
>> - Campbell
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- Campbell

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