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  "title" : "DAL plug-in structures"
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# DAL plug-in structures

## Topics

### Structures

[`struct CMIODeviceAVCCommand`](/documentation/CoreMediaIO/CMIODeviceAVCCommand)

[`struct CMIODeviceRS422Command`](/documentation/CoreMediaIO/CMIODeviceRS422Command)

[`struct CMIODeviceSMPTETimeCallback`](/documentation/CoreMediaIO/CMIODeviceSMPTETimeCallback)

[`struct CMIODeviceStreamConfiguration`](/documentation/CoreMediaIO/CMIODeviceStreamConfiguration)

[`struct CMIOObjectPropertyAddress`](/documentation/CoreMediaIO/CMIOObjectPropertyAddress)

[`struct CMIOStreamDeck`](/documentation/CoreMediaIO/CMIOStreamDeck)

[`struct CMIOStreamScheduledOutputNotificationProcAndRefCon`](/documentation/CoreMediaIO/CMIOStreamScheduledOutputNotificationProcAndRefCon)

[`struct CMIOHardwarePlugInInterface;`](/documentation/CoreMediaIO/CMIOHardwarePlugInInterface)


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