MXFSource problems

[Electron.Rotoscope]

Hello,

I'm trying to create a workflow where we create JPEG2000 streams in mxf AS02 containers from uncompressed sources, and then transcode from that to whatever we need. I'd like to use AVISynth, but at the moment the chief stumbling block seems to be that I can't open any mxf files in avisynth at all.

I've found mxfsource but I'm not very familiar with visualbasic and so I would need an actual binary to get it to work. Does anyone know where one is?

Also I've found this thread and this thread that talk about color space conversion, but again I'm out of my depth with xyz, does anyone know if those projects worked or something that I can do in avisynth to fix that problem if it comes up?

I'm tempted to just use FFVideoSource like they say in this thread but when I used that in the past it had to create an index of every file before it could do anything, which unfortunately is too time consuming to really be practical (as would any sort of full demux to a new file, we really need a direct workflow)

EDIT: FFVideoSource just gives me "Could not open video codec" anyways argh I think the j2k part of this might be just as irritating

Anybody have any idea where these projects are at right now, and where a binary might be available? Or another way to decode JPEG2000 mxf files for something like avisynth?

Thanks