[LV2] [solved]ardour3 plug-in analysis

hermann meyer brummer- at web.de
Thu Mar 14 07:48:45 PDT 2013


Am 14.03.2013 13:15, schrieb hermann meyer:
> Am 14.03.2013 12:38, schrieb hermann meyer:
>> Hi
>>
>> I have a question to ardour3's plug-in analysis, didn't know if I'm 
>> right here, but as far I know,_Dave_ you have wrote it, didn't you? 1
>>
  [1] Sorry I mean David

>> So, my question is, what did the analysis do, or in which files could 
>> I found the source.
>> I still working on the GxAmplifiers, and I notice that ardour3 will 
>> crash with a segfault, when I try to use the plugin analysis from the 
>> internal plug-in UI.
>> I nail it down to the convolver implementation, the analysis work 
>> fine when the convlovers are disabled.
>> But right now I have no idea why the analysis crashed when the 
>> convolvers be enabled.
>> I have already set the convolvers to don't use variable block-size.
>> The plugs work well otherwise in ardour3, qtractor and jalv.
>>
>> the implementation of the convolvers is here:
>> http://sourceforge.net/p/guitarix/git/ci/494025df52ed143b6ad4fb783818bb44d6b8488b/tree/trunk/src/LV2/gx_amp.lv2/DSP/gx_convolver.cc 
>>
>>
>> any hint how I could solve that will be welcome
>>
>> greets
>> hermann
>>
> often it helps just to wrote a mail. :-)
> Okay, I found it out. It's because ardour3 ignore the feature request 
> bufsz:boundedBlockLength
> when run the analysis.
>
> it sends the analysis wav with a size of 4096 even when the buffersize 
> in use is 128.
>
> greets
> hermann
>
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