[iiwusynth-devel] RE: [Swami-devel] iiwusynth segfault

[M. Nentwig]

Moi,

sound fonts:
try
http://www.thesoundsite.net/sfu_dirlist.tml?pass_this=SoundFont%20Banks
I'd start looking in the 'Fluid' GM bank and the PC ('personal
collection') sound font. Both are huge files, around 100 MB, and quite
good quality.

If you want a graphical user interface for the synth, then Swami is your
best bet. It starts the synth itself, so there is no need to run an
additional iiwusynth, just type 'swami'.
One way to go is to put the synth commands into file.txt, as in

# load the sound font
load somesounfont.sf2
# Select bank 20 prog 20 into channel 0
select 0 0 20
# Set the modulation wheel to 50 %
cc 0 1 64
# Reduce the volume
gain 0.1
etc...

then run iiwusynth with the options for your sound card
iiwusynth -c 2

and then load the file
source file.txt

-Markus



> -----Original Message-----
> From: ext Mark Knecht [mailto:address@hidden
> Sent: 23 January 2003 22:40
> To: Josh Green
> Cc: Swami Devel; iiwusynth devel
> Subject: Re: [Swami-devel] iiwusynth segfault
>
>
> Fixed!
>
> Thanks!
>
> Ok, on to trying out more stuff and seeing how I can make use of this.

>
> BTW - since you are so soundfont oriented, what are the best places to

> get them. Do you buy them? Only get free stuff using Google?
> What's the
> process?
>
> Thanks,
> Mark
>
> On Fri, 2003-01-24 at 04:13, Josh Green wrote:
> > On Thu, 2003-01-23 at 09:31, Mark Knecht wrote:
> > > >
> > > > No information is useful except the back trace :) You
> can generate the
> > > > back trace from the core file though (like I mentioned
> in my previous
> > > > email). Just:
> > > >
> > > > bash prompt> gdb iiwusynth core
> > > >
> > > > (gdb) bt
> > >
> > > I COMPLETELY misunderstood that step! Sorry!!! The core file has a

> > > number appended. I thought the gdb command was going to
> generate the
> > > core file named core. Anyway, here it is:
> > >
> >
> > No problem.. I forgot to mention that it might have a
> number tacked onto
> > it (I think its the PID of the program that died).
> >
> >
> > > #0  0x40189087 in pthread_mutex_lock () from
> /lib/i686/libpthread.so.0
> > > (gdb) bt
> > > #0  0x40189087 in pthread_mutex_lock () from
> /lib/i686/libpthread.so.0
> > > #1  0x4207ad18 in free () from /lib/i686/libc.so.6
> > > #2  0x40040bb4 in new_iiwu_jack_audio_driver (settings=0x804b3b0,
> > > synth=0x804c2b0)
> > >     at iiwu_jack.c:249
> > > #3  0x400462e5 in new_iiwu_audio_driver (settings=0x804b3b0,
> > > synth=0x804c2b0)
> > >     at iiwu_adriver.c:224
> > > #4  0x08049939 in main (argc=3, argv=0xbffff8f4) at
> iiwusynth.c:435
> > > #5  0x42017589 in __libc_start_main () from /lib/i686/libc.so.6
> > > (gdb)
> > >
> >
> > >From looking at the code it looks like it is a bug in the
> FluidSynth
> > jack driver. I think I fixed it. I checked it into
> FluidSynth CVS. Also,
> > I improved some other things with the filter turn off
> optimization and
> > made the synthesis loop more tolerant to smaller loops.
> > Let me know if this does or does not fix your problem. Cheers.
> >  Josh Green
> >
> >
> >
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>
>
>
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