Set reference value associated with this port.
- macOS 10.1+
- Mac Catalyst 13.0+
The isoch port interface to use.
Retrieve the reference value with GetRefCon()
The method is called when the port should configure its associated hardware to prepare to send or receive isochronous data on the channel number and at the speed specified.
Get reference value associated with this port.
The method is called to determine which FireWire isochronous channels and speed this port supports.
The method is called to release the hardware after the channel has been stopped.
The method is called when the port is to begin talking or listening.
The method is called when the port is to stop talking or listening.