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# CMBufferQueueGetMinDecodeTimeStamp(_:)

Gets the earliest decode timestamp of a buffer queue.

```
func CMBufferQueueGetMinDecodeTimeStamp(_ queue: CMBufferQueue) -> CMTime
```

## Parameters

`queue`

`CMBufferQueue` being interrogated.

## Return Value

The earliest decode timestamp of the interrogated `CMBufferQueue`.

## Discussion

The search for earliest decode timstamp is performed in this API.                If you know your queue is in decode order, `Accessing CMBufferQueue`                is a faster alternative.  If the `getDecodeTimeStamp` callback is                `NULL`, `kCMTimeInvalid` will be returned.

---

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