---
title: CMIODeviceSMPTETimeCallback
framework: Core Media I/O
role: symbol
role_heading: Structure
platforms: [Mac Catalyst 13.1+, macOS 10.7+]
path: coremediaio/cmiodevicesmptetimecallback
---

# CMIODeviceSMPTETimeCallback

## Declaration

```swift
struct CMIODeviceSMPTETimeCallback
```

## Topics

### Initializers

- [init()](coremediaio/cmiodevicesmptetimecallback/init().md)
- [init(mGetSMPTETimeProc:mRefCon:)](coremediaio/cmiodevicesmptetimecallback/init(mgetsmptetimeproc:mrefcon:).md)

### Instance Properties

- [mGetSMPTETimeProc](coremediaio/cmiodevicesmptetimecallback/mgetsmptetimeproc.md)
- [mRefCon](coremediaio/cmiodevicesmptetimecallback/mrefcon.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)

## See Also

### Structures

- [CMIODeviceAVCCommand](coremediaio/cmiodeviceavccommand.md)
- [CMIODeviceRS422Command](coremediaio/cmiodevicers422command.md)
- [CMIODeviceStreamConfiguration](coremediaio/cmiodevicestreamconfiguration.md)
- [CMIOObjectPropertyAddress](coremediaio/cmioobjectpropertyaddress.md)
- [CMIOStreamDeck](coremediaio/cmiostreamdeck.md)
- [CMIOStreamScheduledOutputNotificationProcAndRefCon](coremediaio/cmiostreamscheduledoutputnotificationprocandrefcon.md)