If you insist on using transcoded media, the round-trip is quite easy. As mentioned before, avoid the inclusion of 'wildcards' like matte keys, etc. and export your timeline with transcoded media using a linked AAF. Resolve can Automatically search out those AVID.mxf mediafiles in your MXF folder. After color, render out using the AVID AAF preset which will make new .mxfs AND a new AAF. Put THOSE .mxfs into your Avid MediaFiles folder (ideally using a different numbered folder to keep them separated) launch AVID and it will index these new .mxfs upon start. In Avid, import the AAF that resolve generated and it should all link easy-peasy. This method would be using the AAF timeline FROM Resolve.
My document makes use of the "Tape" name to relink because if you are using still images (which I was for the project I developed those instructions for) then there is no way to relink from Resolve becuse there is by default no unique identifier (that I know of) that tells Avid which clip the resolve clips refer to; also I could not get Resolve to load my original jpegs that I used so I found it best to transcode those.
I have used this core process and adapted it here over the last decade. It is fast, reliable and most efficient as it and takes advantage of both programs media management . (MC always sees the Avid format media from resolve which is accurately database indexed. Resolve's database knows the name it gave the original footage for MC footage proxies an MC keeps it's AAF' consistent.
You can run davinci-resolve-checker script, which will tell you if your configuration is suitable for running DR (doesn't work for Intel iGPUs - says OpenCL driver is unsupported, though you can make it work). In good configurations it should output:
There may be reasons you may want to not install davinci resolve package to the system. For example, you do not want such big package to take space in system partition. Or you want to quickly switch between different versions of application: free and studio, current and previous versions. To do this, just unpack the contents of the needed versions package in the directory you want, and directly run the opt/resolve/bin/resolve from that directory.
You can automate this task using incron. It will automatically convert files appeared in specified folder. See setup example on this article. Another alternative is to write a resolve script for that purpose. See documentation for Resolve Scripting (linked in the see also section) for more information.
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