[gst-devel] MXF-wrapped JPEG2000 decoding

[Vincent Torri]

On Mon, 11 Apr 2011, Sebastian Dröge wrote:

> On Mon, 2011-04-11 at 16:04 +0400, Nicolas Bertrand wrote:
>> Thkks for the bug link.
>> It is a hard  work to support '12 bit color formats'. May be I can
>> give some help. But where to start ?
>>
>> Did somebody knows if an existing opensource solution exists for
>> playing mxf/JPEG2000 file ?
>
> It's not that much work actually
>
> Jasper (the JPEG2000 decoder library used by jp2kdec) supports 12 bit
> per color component. Adding support for this in GStreamer only requires
> to add some enums to libgstvideo for the new formats, implement them in
> all the functions that return the rowstride, component width, etc. and
> then. Afterwards conversion from/to this formats should be added to
> ffmpegcolorspace and jp2kdec should output with these caps if a 12bit
> per component image is found.
>
> If you want to try that feel free to ask further questions on IRC
> (FreeNode, #gstreamer) or on this list.

openjpeg ?

Vincent Torri