AMaxInputGain(3X) — Series 700 Only
NAME
AMaxInputGain − get maximum input gain supported by audio controller
SYNOPSIS
#include <audio/Alib.h>
AGainDB AMaxInputGain(Audio *audio);
DESCRIPTION
AMaxInputGain() gets the maximum input gain, in decibels, supported by the audio controller associated with the audio connection. If the application specifies a gain higher than this, the maximum supported value is used.
audio specifies the Audio structure associated with this connection.
RETURN VALUE
Upon successful completion, AMaxInputGain() returns the maximum input gain, in decibels, that the audio controller supports.
ERRORS
AMaxInputGain does not return an error status.
EXAMPLES
The following example gets the maximum input gain supported by the audio controller:
AGainDB max_in; /* max input gain */
Audio *audio; /* audio connection */
.
.
.
/* get max input gain */
max_in = AMaxInputGain(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
AMaxInputGain() was developed by HP.
SEE ALSO
AGetChannelGain(3X) AGetGain(3X), AGetSystemChannelGain(3X), AGMGainRestricted(3X), AInputChannels(3X), AInputSources(3X), AMaxOutputGain(3X), AMinInputGain(3X), AMinOutputGain(3X), AOutputChannels(3X), AOutputDestinations(3X), ASetChannelGain(3X), ASetGain(3X), ASetSystemChannelGain(3X), ASimplePlayer(3X), ASimpleRecorder(3X).
Using the Audio Application Program Interface.
Hewlett-Packard Company — HP-UX Release 9.03: April 1994