Mike Melanson mike
Sun Dec 14 18:48:51 CET 2008

Burkhard Plaum wrote:
> Hi,
> Mike Melanson <mike <at> multimedia.cx> writes:
>> I have never heard of this codec before. But no codec is too negligible 
>> for FFmpeg (type 'ffmpeg -formats' to corroborate this).
>> Can you direct us to samples?
>> Can you give a precise link to the SDK on their site? Does it have 
>> source or does it just specify how to link to their binaries? (Either 
>> one will provide valuable information.)
>> Thanks...
> R3D is not only a codec, it's also a container :)
> The container is simple. Starting with a demuxer from blender, I reverse 
> engineered some missing parts, the result is here:
> http://gmerlin.cvs.sourceforge.net/viewvc/gmerlin/gmerlin_avdecoder/lib/demux_r3d.c?view=markup
> Audio is PCM, Video is a special JPEG-2000 variant: It has 4 planes,
> 2 for green, 1 for red and blue each. The color values are arranged
> in a Bayer pattern. I use openjpeg for decoding this, it's damn slow 
> though (slower than realtime).

Thanks for the data. It sounds like you have access to a sample. Can you 
share it with us (via mphq upload)?


     -Mike Melanson

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