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