[LAU] [ANN] setBfree - DSP tonewheel organ

[Robin Gareus]

On 07/16/2012 03:48 PM, Fons Adriaensen wrote:
> On Mon, Jul 16, 2012 at 03:33:19PM +0200, Robin Gareus wrote:
> 
>> On 07/16/2012 02:37 PM, Fons Adriaensen wrote:
>>
>>> init.. Audio : Scanner : Oscillators : Overdrive : Reverb : Whirl : Convolve : Segmentation fault
>>>
>>> :-(
>>
>> Oh. What architecture is that on?  What version of libzita-convolver?
>>
>> Will is also running Arch-Linux and it works for him, also with
>> convolution. I also can't reproduce this so far.
> 
> 
> Linux zita1 3.4.4-3-ARCH #1 SMP PREEMPT Tue Jul 3 15:35:13 UTC 2012 i686 GNU/Linux
> 
> zita-convolver 3.1.0.

Mmh it's the same here. Also i686 and zita-convolver-3.1.0; I've tried
with gcc/g++ 4.6.3-1 and gcc/g++- 4.7.0-8 (Debian) and can not [yet]
reproduce the problem.

Here it's Linux 3.2.0-2-rt-686-pae #1 SMP PREEMPT RT
but that should not make a difference.

> Works OK if compiled without convolution.
> 
> I had a quick look at the code (will dive deeper into it  tonight).
> This may be unrelated, but you *definitely* *must* *not* call
> start_process() and stop_process() from a RT context !!
> 

Thanks, fixed that.

start/stop was an easy workaround to do away with the artefacts that can
happen when bypassing and later re-enabling convolution.


Well, it would segfault trying to build the file-path to the IR sample
"IR-file-<SAMPLERATE>.wav" when jack reports a samplerate > 999999999Hz
but I think that's not it :)

robin