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Re: [fluid-dev] A question of memory

From: Josh Green
Subject: Re: [fluid-dev] A question of memory
Date: Tue, 21 Nov 2006 21:41:34 +0000

Hello Paul,

I wouldn't be surprised if there are some leaks.  Doesn't mean it
shouldn't be fixed of course though!  The valgrind output would be more
useful if FluidSynth had debugging support enabled, but I could get this
output myself too, which I will probably do when I get around to axing
the memory leak bugs.  Thanks for reporting it, another item for the
TODO list ;)

On Tue, 2006-11-21 at 19:45 +0000, Paul Millar wrote:
> Hi all,
> I've written (what I hope is) a minimal, functioning test code for running 
> fluidsynth, linking against libfluidsynth.  Its available from:
> http://ppewww.physics.gla.ac.uk/~paul/fluidsynth/simple-fluidsynth-test.c
> Running this test test through valgrind's memcheck tool is quite interesting:
> Valgrind reports that the alsa driver is calling libasound with some 
> uninitialised bytes in a few places.
> Also, after calling delete_fluid_* functions, there's still some 33 MB of 
> memory in use when the program terminates.
> I'm loading a 30 MB SoundFont file, so I'm guessing that delete_fluid_synth() 
> doesn't free memory allocated by fluid_synth_sfload().  There's lots of other 
> wee bits of leaked memory here and there (strdup()s, etc...).
> The output from valgrind is available from:
> http://ppewww.physics.gla.ac.uk/~paul/fluidsynth/valgrind.out
> But, I hope the test-case above is pretty easy to check this.
> Cheers,
> Paul.
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