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[Matthias Klose <matthias.klose@xxxxxxxxxxxxx>]

see bug #491784

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OpenJDK needs to add gain control support
https://bugs.launchpad.net/bugs/625790
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Status in “openjdk-6” package in Ubuntu: New

Bug description:
Hello,

  A java application using libbasicplayer-java for audio playback. Yet when using OpenJDK (with pulseaudio as the sound service provider), I get the following error when I attempt to fiddle with the volume from the java application:

   java.lang.IllegalArgumentException: Master Gain not supported
    org.classpath.icedtea.pulseaudio.PulseAudioLine.getControl(PulseAudioLine.java:89)
    org.classpath.icedtea.pulseaudio.PulseAudioSourceDataLine.getControl(PulseAudioSourceDataLine.java:51)
    javazoom.jlgui.basicplayer.BasicPlayer.openLine(Unknown Source)
    javazoom.jlgui.basicplayer.BasicPlayer.initLine(Unknown Source)
    javazoom.jlgui.basicplayer.BasicPlayer.startPlayback(Unknown Source)
    javazoom.jlgui.basicplayer.BasicPlayer.play(Unknown Source)


This does not happen when I edit /etc/java-6-openjdk/sound.properties to use the other sound service provider (com.sun.media.sound.<whatever>).