ACM Driver Structures (Compact 2013)

3/26/2014

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