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Re: [fluid-dev] Proposal: FluidSynth tester program

From: Aere Greenway
Subject: Re: [fluid-dev] Proposal: FluidSynth tester program
Date: Tue, 31 Jul 2012 16:28:23 -0600


I'm sorry, but I didn't paste the last part of your e-mail into the file visible to my test-system partition, so I didn't do those final steps before reporting back my test results back to you. 

This time, I followed those instructions, which yielded different results:

address@hidden:~/fluidsynth-1.1.6/build$ sudo ldconfig

[sudo] password for aere:

address@hidden:~/fluidsynth-1.1.6/build$ which fluidsynth


address@hidden:~/fluidsynth-1.1.6/build$ ldd /usr/local/bin/fluidsynth | grep fluid

libfluidsynth.so.1 => /usr/local/lib/libfluidsynth.so.1 (0x007c4000)

Given those different results (which indicated the new version is now being used), I re-ran my tests on my 2.5 gigahertz Ubuntu 12.04 test partition. 

It played the test demo pieces (which always failed on the version that came with Ubuntu 12.04, but worked with your re-packaged PPA) flawlessly. 

I did notice a difference when running the test this time. 

Before, the qjackctl dialog showed a RT-% of around 20.0 while playing the demo pieces.  This time, the RT-% was between 34.7 and 36.1, which is a significant increase, but no under-runs occurred while playing the two pieces. 

Given the increase in overhead, I will run the same test on my slowest (450 megahertz) test machine, and let you know how that test turns out. 

Thank you very much for your help, enabling me to run the test. 

- Aere

On Tue, 2012-07-31 at 22:50 +0200, David Henningsson wrote:
On 07/31/2012 10:39 PM, Aere Greenway wrote:
> David:
> I performed the steps for retrieving and building the release-candidate
> fluidsynth.


> Though it complained that DOXYGEN (or something like that)
> was not found, it seemed to build and install without any error.

The doxygen error can be ignored.

> I can supply printouts of the entire process, if that would be helpful.
> My testing also went well, since I did not discover any problems.
> The problem I have in doing this testing, is that I have no way of
> knowing if it used the libfluidsynth1 generated during the process, or
> what I was using before (the repackaged version of your PPA for Ubuntu
> 11.10).

Try verifying by running these two commands:

1) "which fluidsynth", should return /usr/local/bin/fluidsynth

2) "ldd /usr/local/bin/fluidsynth | grep fluid", should return 
"libfluidsynth.so.1 => /usr/local/lib/libfluidsynth.so.1" (followed by a 
hex number).

If the second one fails, i e, points to somewhere in "/usr/lib" instead 
of the newly installed file in "/usr/local/lib", try running "sudo 
ldconfig", then try again.

Let me know how this goes.

// David



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