I'm still on JRiver 20. I thought that using DSD bitstream I would not have had problems.
Can you please explain why cannot work ?
This is an educated guess:
True DSD bitstreaming is just sending bits. So it would work with any DSD: DSD64, 128, 256, etc. But DoP isn't "true" bitstreaming. DoP packs the DSD data into PCM frames in a specific way with start and stop indicators. I'm guessing that the DoP frame size is different for DSD64 as compared to DSD256. So it needs to be specifically programmed into MC for it to work.
Brian.