Re: [fluid-dev] Subversion checkins

[David Hilvert]

On Mon, 17 Sep 2007 10:23:46 -0700
Josh Green <address@hidden> wrote:

> Ok, so the synth.ladspa.active=no, but did you compile FluidSynth with
> the --enable-ladspa option?

No.

Results of breakpointed run follow:

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This GDB was configured as "i486-linux-gnu"...
Using host libthread_db library "/lib/libthread_db.so.1".
(gdb) b main
Breakpoint 1 at 0x8055121
(gdb) r
Starting program: /usr/local/bin/qsynth 
[Thread debugging using libthread_db enabled]
[New Thread -1226299712 (LWP 11089)]
[Switching to Thread -1226299712 (LWP 11089)]

Breakpoint 1, 0x08055121 in main ()
(gdb) b fluid_synth.c:555
Breakpoint 2 at 0xb7efa8b0: file fluid_synth.c, line 555.
(gdb) c
Continuing.
Qt: gdb: -nograb added to command-line options.
         Use the -dograb option to enforce grabbing.
Warning: no locale found: /usr/local/share/locale/qsynth_en_US.qm

Breakpoint 2, new_fluid_synth (settings=0x81734f0) at fluid_synth.c:555
555       synth->reverb = new_fluid_revmodel();
(gdb) p synth->dither_index
$1 = 0
(gdb) p sizeof (synth->dither_index)
$2 = 4
(gdb) b fluid_synth.c:1824
Breakpoint 3 at 0xb7efcf11: file fluid_synth.c, line 1824.
(gdb) b fluid_synth.c:1846
Breakpoint 4 at 0xb7efd088: file fluid_synth.c, line 1846.
(gdb) c
Continuing.
[New Thread -1317741680 (LWP 11092)]
[Switching to Thread -1317741680 (LWP 11092)]

Breakpoint 3, fluid_synth_dither_s16 (synth=0x80eb470, len=940, lin=0xb0e00468, 
rin=0xb0e01320, 
    lout=0xb0e021d8, loff=0, lincr=2, rout=0xb0e021d8, roff=1, rincr=2) at 
fluid_synth.c:1824
1824      int di = synth->dither_index;
(gdb) n
1826      for (i = 0, j = loff, k = roff; i < len; i++, j += lincr, k += rincr) 
{
(gdb) p synth->dither_index
$3 = -1209428944
(gdb) p di
$4 = -1209428944
(gdb) c
Continuing.

Program received signal SIGSEGV, Segmentation fault.
0xb7efcf4b in fluid_synth_dither_s16 (synth=0x80eb470, len=940, lin=0xb0e00468, 
rin=0xb0e01320, 
    lout=0xb0e021d8, loff=0, lincr=2, rout=0xb0e021d8, roff=1, rincr=2) at 
fluid_synth.c:1828
1828        left_sample = roundi (lin[i] * 32766.0f + rand_table[0][di]);
(gdb)