Sorry to bring an old thread alive but did you have any luck Robert?
I have a DS-7608NXI-I2 / 8P/S NVR and 2x DS-2CD2387G2-LU cameras. I would like to use the regular motion detect/smart events to record to the NVR, but I also need to access the cameras third 1080p stream for Scrypted (HomeKit...