Controlling volume in a java application

Question

I am fairly new at java. I need to control volume (volume up/down, mute) in a java application. I couldn\'t find a way to do this. I am developing on a linux system (for inf

Answer 1

I don't think there is a constant called VOLUME. Its MASTER_GAIN. So you should do

volCtrl = (floatControl) lineIn.getControl(FloatControl.Type.MASTER_GAIN);
volCtrl.setValue(you_custom_value);

Answer 2

Sometimes the controls are nested, which makes a platform independent solution difficult. I have written an utility class which is used like that:

Audio.setMasterOutputVolume(0.5f);

Source code is here: https://github.com/Kunagi/ilarkesto/blob/master/src/main/java/ilarkesto/media/Audio.java

Stackoverflow users can use the code from Audio.java under the terms of the WTFPL.