SetOutputSafetyOffset
Specifies the output safety offset of the device.
Declaration
kern_return_t SetOutputSafetyOffset(uint32_t in_safety_offset);Parameters
- in_safety_offset:
The output safety offset value, as a Uint32_t.
Return Value
kIOReturnSuccess on success, or another value if an error occurs. For a list of error codes, see Error Codes.
Discussion
The safety offset indicates the number for frames ahead of the current hardware position that’s safe to perform output I/O.