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WPDM_STANDBY (Compact 2013)

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3/26/2014

This message is passed to the PDD_WaveProc function to instruct the audio PDD to put the audio circuitry in standby mode.

Parameters

  • apidir
    Input and output; one of the following values.

    Value

    Description

    WAPI_IN

    Puts input circuitry in standby.

    WAPI_OUT

    Puts output circuitry in standby.
  • dwParam1
    Not used.
  • dwParam2
    Not used.

Remarks

This message should turn off as much of the audio circuit as possible. When this message is called again, the audio circuitry should be turned on as quickly as possible. This message is sent between playback of sounds to minimize audio circuit power drain.

Requirements

Header

waveddsi.h

See Also

Reference

WPDM Messages
PDD_WaveProc