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# GetOutputControlMemoryDescriptor

Gets the memory descriptor used for the control data part of a buffer.

```
OSSharedPtr<IOMemoryDescriptor> GetOutputControlMemoryDescriptor(IOUserVideoObjectID in_object_id);
```

## Parameters

`in_object_id`

The object identifier of the control portion of the desired buffer.

## Return Value

IOMemoryDescriptor in an OSSharedPtr.

---

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