| Microsoft DirectX 9.0 |
This section contains reference entries for all the Microsoft DirectX Media Object (DMO) COM interfaces and their methods.
| Interface | Description |
| IDMOQualityControl | Supports quality control on a DMO. |
| IDMOVideoOutputOptimizations | Supports video optimizations on a DMO. |
| IEnumDMO | Provides methods for enumerating DMOs. |
| IMediaBuffer | Provides methods for manipulating a data buffer. |
| IMediaObject | Provides methods for manipulating a DMO. |
| IMediaObjectInPlace | Provides methods for processing data in place. |
| IMediaParamInfo | Retrieves information about the media parameters that an object supports |
| IMediaParams | Sets and retrieves media parameters on an object. |