NAME

AMinOutputGain − get minimum output gain supported by audio controller

SYNOPSIS

AGainDB
AMinOutputGain (

Audio ∗ audio);

DESCRIPTION

AMinOutputGain() returns the minimum output gain, in decibels, supported by the audio controller associated with the audio connection. If the application specifies a gain lower than this, the gain is set to AZeroGain, which results in no sound. 

audio specifies the Audio structure associated with this connection. 

RETURN VALUE

Upon successful completion, AMinOutputGain() returns the minimum output gain, in decibels, that the audio controller supports. 

ERRORS

AMinOutputGain() does not return an error status. 

EXAMPLE

The following example gets the minimum output gain supported by the audio controller. 

Audio ∗ audio;  /∗ audio connection ∗/

AGainDB min_out;  /∗ min output gain ∗/
.
.
.

/∗ get min output gain ∗/

min_out = AMinOutputGain(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

AMinOutputGain() was developed by HP. 

SEE ALSO

AGetGain(3X) AGMGainRestricted(3X), AInputChannels(3X), AInputSources(3X), AMaxInputGain(3X), AMaxOutputGain(3X), AMinInputGain(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