[Vitor Teixeira]

Hi Francois,
You should try to use the MOG Technologies product called mxfSPEEDRAIL O1000. It allows to export sequences from Avid and generate an MXF OP1A Omneon compliant.
https://www.mog-technologies.com/products/file-based/product-overview/
you can get it from INALA in South Africa.

Regards,
Vitor