<Sound Dev> sound on Linux

rom1dep rom1dep at gmail.com
Wed Oct 14 03:51:45 PDT 2009

> 2009/10/13 cyberGn0m <cy6ergn0m at gmail.com>
>> Anybody tested java sound on linux? As I know, java uses ALSA on Linux to
>> play audio.. so, i have a problem with it: when java plays sound, other
>> applications can't play anything. When other applications plays sound, java
>> can't. As i know, mplayer can play sound via ALSA and i can open many
>> players and all of them will plays as expected...
Yepp, I have this problem too and this is very annoying. I found this bug :
but I was asking me recently whether or not the fix is really in progress.
This issue has made us (people working on the XtremeMP media player) think
on a fallback audio backend based on gstreamer-java for people running under

If you rather use OpenJDK instead of Sun's, then you can use pulseaudio for
> playback. Actually pulseaudio is default audio output for OpenJDK on ubuntu
> linux. Then it's no problem with audio output from multiple applications
> simultaneously..

Are you sure ? I use OpenJDK 1.7.0b70 and can't have amarok
(gstreamer->PulseAudio) and XtremeMP playing simultaneously on my netbook.
Maybe your hardware has some mixing abilities that lets your 'normal'
programs play through pulseaudio over a stream while another one is
available for java ? You can try this : play something with mplayer or
whatever grinding PA, + trying to play a wave file with "aplay <file.wav>".
If you have your two streams being played, then your audio card is likely
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