ACM Driver Structures

The following table shows the structures related to the Audio Compression Manager (ACM) driver.

Programming element Description
ACMDRV_MESSAGE_PARAMS Structure that contains members passed to the ACM_IOControl function.
ACMDRVFORMATSUGGEST Structure that contains client-specified input arguments to the AcmFormatSuggest function. The ACM fills in this structure with the client's input arguments and passes it to an ACM driver with an ACMDM_FORMAT_SUGGEST message.
ACMDRVOPENDESC Structure that is used by the ACM for passing information to an ACM driver after the ACM sends the driver an ACM_Open function.
ACMDRVSTREAMHEADER Structure that describes a source buffer and a destination buffer associated with a conversion stream.
ACMDRVSTREAMINSTANCE Structure that describes an instance of a conversion stream.
ACMDRVSTREAMSIZE Structure that contains information needed by an ACM driver to respond to an ACMDM_STREAM_SIZE message.

See Also

ACM Driver Functions | ACM Driver Messages

 Last updated on Tuesday, May 18, 2004

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