Audio Mixer Reference

This section describes the functions, structures, and messages associated with audio mixers. These elements are grouped as follows.

Querying Devices

MIXERCAPS
mixerGetDevCaps
mixerGetNumDevs

Opening and Closing

mixerClose
mixerOpen

Retrieving Mixer Identifiers

Retrieving Line Controls

MIXERCONTROL
mixerGetLineControls
MIXERLINECONTROLS

Changing Control Attributes

MIXERCONTROLDETAILS
MIXERCONTROLDETAILS_BOOLEAN
MIXERCONTROLDETAILS_LISTTEXT
MIXERCONTROLDETAILS_SIGNED
MIXERCONTROLDETAILS_UNSIGNED
mixerGetControlDetails
mixerSetControlDetails

Retrieving Line Information

mixerGetLineInfo
MIXERLINE
MM_MIXM_CONTROL_CHANGE
MM_MIXM_LINE_CHANGE

Sending User-Defined Messages

mixerMessage