Optimized Media Not Working in Beta 1, 2, 3 & 4

I've been testing to check if the latest beta had fixed this bug for me but unfortunately it's still present:

The optimized media can be generated on my system and it's very much seen in the Bin that it's been generated but then Resolve 16 never actually uses it for anything, even when selected too. That includes both playback and export.

The optimized media is being generated from Red 8K footage in a Windows 10 environment and I've tried both DNxHR and Cineform codecs with different compression levels across internal and external hard drives using a root level file structure.

Curiously the Render Cache files can be generated and used for both playback or export absolutely fine.

Just to say I've widely tested the optimized media functions again in Beta 4 and it's still not working for me.

[Rohit Gupta]

Obvious question, but I must ask. In the Playback menu, you have enabled "Use optimised media when available" checkbox right?

Obvious question, but I must ask. In the Playback menu, you have enabled "Use optimised media when available" checkbox right?

Hi ya, yes I definitely have it switched on for both playback and export. I've tried toggling it on/off, restarting and any other combo of that to see if it will trigger, but after generating optimized media, it then just ignores it and keeps using the R3D files on the main Raid.

Render Cache works fine for both playback & export and Optimized Media was working in Resolve 15 but as I get no errors I don't know of anything I can share that would help understand the problem?

Obvious question, but I must ask. In the Playback menu, you have enabled "Use optimised media when available" checkbox right?

Hi ya, yes I definitely have it switched on for both playback and export. I've tried toggling it on/off, restarting and any other combo of that to see if it will trigger, but after generating optimized media, it then just ignores it and keeps using the R3D files on the main Raid.

Render Cache works fine for both playback & export and Optimized Media was working in Resolve 15 but as I get no errors I don't know of anything I can share that would help understand the problem?

can you change the location where the Optimized Media files are stored and see it it makes any difference?

can you change the location where the Optimized Media files are stored and see it it makes any difference?

Yes, tested all that across two systems, it doesn't matter if its a raid setup, SSD, internal or external, whether its the only storage location you list or if you list them all in preferences. Nothing has altered the fact that it will generate the optermized media and then ignore it unfortunately.

To be fair tho, it also shouldn't be this difficult to make it work and it hasn't been in previous versions of Resolve, I just don't know what I can report to BMD that would help them trace the issue tho.

I only ever had this with a single older project where it , after an upgrade of resolve , did not want to use optimised media whatever i tried for media with a specific source codec, while other source codecs worked fine.
But when i created a new project with the same media it worked fine.
Can you check with a simple new project and just a single file if it works or not ?
Could be some crazy project corruption / incompatibility between versions.