| Microsoft DirectX 9.0 |
This topic applies to Windows XP Service Pack 1 only.
The stream buffer engine uses the following DirectShow filters.
| Filter | Description |
| MPEG-2 Video Analyzer | Enables playback at > 4x speed, and enables reverse playback for MPEG-2 sources. |
| Stream Buffer Sink | Stores streamed content for the Stream Buffer Source filter to read. |
| Stream Buffer Source | Reads content that the Stream Buffer Sink filter has stored. |