| QMedia |     | 
| QM_GetTracks | Returns information about the tracks of a movie. | 
| QM_AddTrack | Adds a new track to a movie. | 
| QM_DeleteTrack | Deletes a track. | 
| QM_SetTrackDimensions | Sets the track's natural dimensions. | 
| QM_GetTrackDimensions | Returns the track's natural dimensions. | 
| QM_SetTrackVolume | Sets the track's sound volume. | 
| QM_GetTrackVolume | Returns the track's sound volume. | 
| QM_SetTrackName | Sets the track's name. | 
| QM_GetTrackName | Returns the track's name. | 
| QM_GetTrackDuration | Returns the duration of a track. | 
| QM_SetTrackOffset | Changes the track's offset. | 
| QM_GetTrackOffset | Returns the track's offset. | 
| QM_SetTrackUsage | Specifies the track's usage in the movie. | 
| QM_GetTrackUsage | Returns the track's usage in the movie. | 
| QM_SetTrackEnabled | Enables/disables a track. | 
| QM_GetTrackEnabled | Returns the enabled state of a track. | 
| QM_SetTrackLayer | Changes the track's layer. | 
| QM_GetTrackLayer | Returns the track's layer. | 
| QM_SetTrackMatrix | Changes the track's transormation matrix. | 
| QM_GetTrackMatrix | Returns the track's transormation matrix. | 
| QM_SetTrackGraphicsMode | Changes the track's graphics mode. | 
| QM_GetTrackGraphicsMode | Returns the track's graphics mode. | 
| QM_GetTrackCreationTime | Returns the creation date and time of a track. | 
| QM_GetTrackModificationTime | Returns the modification date and time of a track. |