AMaxOutputGain(3X)
NAME
AMaxOutputGain − get maximum output gain supported by audio controller
SYNOPSIS
AGainDB
AMaxOutputGain (
Audio ∗ audio);
DESCRIPTION
AMaxOutputGain() returns the maximum output gain, in decibels, supported by the audio controller associated with the audio connection. If the application specifies a gain higher than this, the supported maximum value is used.
audio specifies the Audio structure associated with this connection.
RETURN VALUE
Upon successful completion, AMaxOutputGain returns the maximum output gain, in decibels, that the audio controller supports.
ERRORS
AMaxOutputGain does not return an error status.
EXAMPLE
The following example gets the maximum output gain supported by the audio controller.
AGainDB max_out; /∗ max output gain ∗/
Audio ∗ audio; /∗ audio connection ∗/
.
.
.
/∗ get max output gain ∗/
max_out = AMaxOutputGain(audio);
DEPENDENCIES
This function belongs to the Audio Library of functions that manage connections to an audio server. The audio server must run on a system that has audio hardware. To find out whether or not your system has audio hardware, refer to the hardware manual that accompanies your system.
AUTHOR
AMaxOutputGain() was developed by HP.
SEE ALSO
AGetGain(3X) AGMGainRestricted(3X), AInputChannels(3X), AInputSources(3X), AMaxInputGain(3X), AMinInputGain(3X), AMinOutputGain(3X), AOutputChannels(3X), AOutputDestinations(3X), ASetGain(3X), ASetSystemPlayGain(3X), ASetSystemRecordGain(3X), ASimplePlayer(3X), ASimpleRecorder(3X).
Using the Audio Application Program Interface.
Hewlett-Packard Company — HP-UX Release 8.07: November 1991