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#1, Főfasz (10466)

2713 | #30c4 | ^ | Idézet | Fri, 20 Mar 2015 23:35:10 +01

188.36.*.*

*.catv.pool.telekom.hu

Ha Linux alatt a dzsuva egy kurwa hangot sem tud magából kicsiholni, viszont cserébe errorozik fel és alá, akkor nyissuk ki a /usr/lib/jvm/java-7-openjdk-amd64/jre/lib/sound.properties fájlt és ha azt látjuk benne, hogy

javax.sound.sampled.Clip=org.classpath.icedtea.pulseaudio.PulseAudioMixerProvider
javax.sound.sampled.Port=org.classpath.icedtea.pulseaudio.PulseAudioMixerProvider
javax.sound.sampled.SourceDataLine=org.classpath.icedtea.pulseaudio.PulseAudioMixerProvider
javax.sound.sampled.TargetDataLine=org.classpath.icedtea.pulseaudio.PulseAudioMixerProvider

#javax.sound.sampled.Clip=com.sun.media.sound.DirectAudioDeviceProvider
#javax.sound.sampled.Port=com.sun.media.sound.PortMixerProvider
#javax.sound.sampled.SourceDataLine=com.sun.media.sound.DirectAudioDeviceProvider
#javax.sound.sampled.TargetDataLine=com.sun.media.sound.DirectAudioDeviceProvider

akkor kurwa sürgősen csináljuk belőle ezt

#javax.sound.sampled.Clip=org.classpath.icedtea.pulseaudio.PulseAudioMixerProvider
#javax.sound.sampled.Port=org.classpath.icedtea.pulseaudio.PulseAudioMixerProvider
#javax.sound.sampled.SourceDataLine=org.classpath.icedtea.pulseaudio.PulseAudioMixerProvider
#javax.sound.sampled.TargetDataLine=org.classpath.icedtea.pulseaudio.PulseAudioMixerProvider

javax.sound.sampled.Clip=com.sun.media.sound.DirectAudioDeviceProvider
javax.sound.sampled.Port=com.sun.media.sound.PortMixerProvider
javax.sound.sampled.SourceDataLine=com.sun.media.sound.DirectAudioDeviceProvider
javax.sound.sampled.TargetDataLine=com.sun.media.sound.DirectAudioDeviceProvider

és máris lesz hang. PulseAudio suxx, fuck Poettering. Eme állítást (mármint, hogy Poettering egy buzi) szeretném alátámasztani egy idézettel onnan, ahonnan az infó származik:

@http://keithp.com/blogs/Java-Sound-on-Linux/:
Java and PulseAudio ALSA support

When we started playing with Java a few years ago, we discovered that if PulseAudio were enabled, Java wouldn't make any sound. Presumably, that was because the ALSA emulation layer offered by PulseAudio wasn't capable of supporting Java.

The fix for that was to make sure pulseaudio would never run. That's harder than it seems; pulseaudio is like the living dead; rising from the grave every time you kill it. As it's nearly impossible to install any desktop applications without gaining a bogus dependency on pulseaudio, the solution that works best is to make sure dpkg never manages to actually install the program with dpkg-divert:
# dpkg-divert --rename /usr/bin/pulseaudio
With this in place, Java was a happy camper for a long time.

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