# numConsecutiveBFrames

> The maximum number of consecutive B frames between I and P frames.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor.Media](/engine/6000.5/script-reference/unityeditor/media.md)
* **Assembly:** UnityEditor

```csharp
public uint numConsecutiveBFrames
```

### Remarks

Set a value of 0 to disable B frames. Set a value of 1 or greater to enable B frames. If you use the Baseline profile, the number of consecutive B frames is always zero. The encoder overrides nonzero values.

*Windows:* The maximum number of B frames allowed is 2.

*macOS:* Set a nonzero value to enable B frames. When B frames are enabled, you cannot control the maximum number of B frames.