---
title: DAL plug-in structures
framework: Core Media I/O
role: collectionGroup
role_heading: API Collection
path: coremediaio/core-media-i-o-structures
---

# DAL plug-in structures

## Topics

### Structures

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

## See Also

### Reference

- [DAL plug-in functions](coremediaio/core-media-i-o-functions.md)
- [DAL plug-in enumerations](coremediaio/core-media-i-o-enumerations.md)
- [DAL plug-in data types](coremediaio/core-media-i-o-data-types.md)
- [DAL plug-in errors](coremediaio/core-media-i-o-errors.md)