Red Hat Bugzilla – Bug 472331
gervill slows things down in tuxguitar
Last modified: 2009-07-14 10:27:08 EDT
Description of problem:
With openjdk, when I enable the Java Sound API Plugin in tuxguitar, the program becomes less responsive. If I use Sun's java, everything is fine.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Install java-1.6.0-openjdk and tuxguitar from F-9 repo or rawhide.
2. Launch tuxguitar.
3. Disable/Enable the gervill plugin by going to Tools -> Plugins -> check "Java Sound API Plugin".
You will realize that enabling/disabling this plugin takes quite some time.
4. With the plugin enabled, try to go to Tools->Settings->Sound and select Gervill as the sound output.
You will immediately realize that the application lags again.
5. Close tuxguitar
6. Re-launch tuxguitar. You'll see that it takes too long to launch tuxguitar with the Java Sound Api plugin enabled.
The application behaves slow, when initializing and stopping gervill.
The application should behave normal, just like it does when I use Sun's Java.
I couldn't immediately replicate with:
But that is mainly because I get:
fluidsynth: ALSA driver: Using format s16, rw, interleaved
java.lang.IllegalArgumentException: No line matching interface SourceDataLine supporting format PCM_SIGNED 44100.0 Hz, 16 bit, stereo, 4 bytes/frame, little-endian is supported.
Which I believe is solved in a later (or rawhide/f10) update. Will try that later.
Could you post the $ rpm -q java-1.6.0-openjdk tuxguitar versions?
Hmm weird ... I'm the maintainer of tuxguitar. I can't reproduce what you said.
The rawhide version of tuxguitar has an extra pdf output support (because we have itext in rawhide). That's it, I didn't include any other fix in the rawhide version of tuxguitar.
and tried both
Well, tuxguitar starts and works with both versions. It just responds slow when the Java Sound api plugin is enabled and I use openjdk.
The thing is, with gervill enabled, the config dialog entries do not show up immediately. You may need to wait a little. Actually *this* is the problem. Meanwhile Sun's java doesn't make things behave slow.
I tried this on F-10 with F-10's openjdk. Things work as desired.
So this is an F-9 specific bug.
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