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Audio PDD Functions (Compact 2013)

3/26/2014

The following table shows the audio device driver service-provider interface (DDSI) functions.

Programming element

Description

PDD_AudioDeinitialize

This function turns off and disconnects the audio device.

PDD_AudioGetInterruptType

This function determines the cause of the audio interrupt and returns the current device status.

PDD_AudioInitialize

This function initializes the audio device for operation.

PDD_AudioMessage

This function sends messages from user applications to the audio driver's platform-dependent driver (PDD) layer.

PDD_AudioPowerHandler

This function is responsible for managing the audio hardware during POWER_UP and POWER_DOWN notifications.

PDD_IoControl

This function sends IOCTL codes that are not part of the Wave or Mixer API to the audio driver's PDD layer.

PDD_WaveProc

This function sends messages to the audio driver's PDD layer.

See Also

Reference

Waveform Audio Driver Reference
Waveform Audio Driver Structures
Waveform Audio Driver Functions
Waveform Input Driver Messages
Waveform Output Driver Messages
WPDM Messages