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acmDriverID function

The acmDriverID function returns the handle of an ACM driver identifier associated with an open ACM driver instance or stream handle.

Syntax


MMRESULT acmDriverID(
  HACMOBJ hao,
  LPHACMDRIVERID phadid,
  DWORD fdwDriverID
);

Parameters

hao

Handle to the open driver instance or stream handle. This is the handle of an ACM object, such as HACMDRIVER or HACMSTREAM.

phadid

Pointer to a buffer that receives a handle identifying the installed driver that is associated with hao.

fdwDriverID

Reserved; must be zero.

Return value

Returns zero if successful or an error otherwise. Possible error values include the following.

Return codeDescription
MMSYSERR_INVALFLAG

At least one flag is invalid.

MMSYSERR_INVALHANDLE

The specified handle is invalid.

MMSYSERR_INVALPARAM

At least one parameter is invalid.

 

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Msacm.h

Library

Msacm32.lib

DLL

Msacm32.dll

See also

Audio Compression Manager
Audio Compression Functions

 

 

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