Port Class Audio Driver Reference
This section describes the following:
The functions that are implemented by the PortCls system driver.
The interfaces that port and miniport drivers use to communicate with each other.
For a list of which versions of the operating system support the various PortCls functions and interfaces, see PortCls Support by Operating System.
This section presents the following topics:
Audio Helper Object Interfaces
Audio Miniport Object Interfaces
Audio Miniport Auxiliary Interfaces
Audio Stream Object Interfaces
DirectMusic User-Mode Synth and Synth Sink Interfaces
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