| MPAlias | File alias data structure |
| MPBuffer | Generic data buffer structure |
| MPFile | File data structure |
| MPFormat | Format Identifier |
| MPFormatList | Set of MPFormat structures |
| MPFormatSupport | Format support description |
| MPFormatSupportGroup | Set of Format descriptions |
| MPFormatSupportList | Set of Format descriptions |
| MPFrame | Frame entity - everything you need to know about a frame |
| MPFrameData | Data for a frame (everything by the format of the data) |
| MPFrameInfo | Non data related description of a frame |
| MPFrameList | Set of frames |
| MPFrameworkCallBacks | Contains callback provided by the pipeline framework (MediaPipe) |
| MPInstanceRecord | |
| MPOutputFormatSupport | Output support description |
| MPPipeDescription | Contains the information to be shared between MediaPipe and your pipe when opening |
| MPPixMap | Uncompressed Image data structure |
| MPQTAudio | QuickTime Audio frame data structure |
| MPQTVideo | QuickTime Video frame data structure |
| MPSampleMap | Audio data structure |
| MPSequenceFrame | Input and output frames and information to be processed |
| MPSequenceInfo | Information about a sequence |
