[LAU] Stutter-plugin for ladspa/lv2?

Jeremy Salwen jeremysalwen at gmail.com
Fri Feb 18 06:41:16 UTC 2011


Hi Leigh,

I've gotten LV2 hosts working on my computer, so I've tested it further,
fixed it, and optimized it some.  Should work perfectly (although I've
noticed that qtractor seems to do a bad job generating GUIs for enumeration
controls).

One more thing:  It has a hard cutoff, which I'm not sure is desirable for
the stutter effect.  Should it fade in and out very quickly to remove the
"popping" effect, or is that part of the effect?

Jeremy


On Wed, Feb 16, 2011 at 11:25 PM, Leigh Dyer <lsd at wootangent.net> wrote:

> On 17/02/11 08:55, Jeremy Salwen wrote:
>
>> Thanks,
>>
>> That does help.
>>
>> I've fixed the syntax errors in the ttl.  If you could try it again,
>> that would be nice.
>>
>
> Thanks -- it opens in Ardour now, but with the mix control at 100% I get no
> sound out. I've tried it on both mono and stereo tracks. Adjusting the mix
> control back gives me some of the original signal, but still no stutter.
>
> Thanks
> Leigh
>
>
>> Jeremy
>>
>> On Wed, Feb 16, 2011 at 9:16 PM, Leigh Dyer <lsd at wootangent.net
>> <mailto:lsd at wootangent.net>> wrote:
>>
>>    On 17/02/11 07:44, Jeremy Salwen wrote:
>>
>>        Hi all,
>>
>>        I've written a simple LV2 stuttering plugin, which you can look at
>>        here:https://github.com/jeremysalwen/Stutter-LV2
>>
>>        <https://github.com/jeremysalwen/Stutter-LV2>I'm still trying to
>>        test
>>        it, but recent librdf updates seem to be crashing all of my LV2
>>        hosts,
>>        and I figure that it's simple enough that there's a chance it
>>        will work
>>        without any testing.  Let me know if it works; I'll try to get
>>        my system
>>        working again in the meantime.
>>
>>
>>    If it helps, I've just tested it, and Ardour2 rejected it with the
>>    following message:
>>
>>    librdf error URI file:///usr/lib/lv2/stutter.lv2/stutter.ttl:58 -
>>    syntax error
>>    raptor_sequence.c:385: (raptor_sequence_get_at) assertion failed:
>>    object pointer of type raptor_sequence is NULL.
>>    LV2: invalid plugin
>>
>>    Thanks
>>    Leigh
>>
>>
>>        Jeremy
>>
>>        On Wed, Feb 16, 2011 at 1:09 PM, Jeremy Jongepier
>>        <jeremy at autostatic.com <mailto:jeremy at autostatic.com>
>>        <mailto:jeremy at autostatic.com <mailto:jeremy at autostatic.com>>>
>>
>>        wrote:
>>
>>            On 02/16/2011 01:45 PM, Gabbe Nord wrote:
>>         > Hello!
>>         >
>>         > Do you guys know of any stutter-plugin for Linux? Stuttering is
>>            pretty easy
>>         > to do by just trimming the regions but it takes an awful lot of
>>            time, so a
>>         > plugin would be of real ease! Is this anything that's availible?
>>         >
>>         > Regards!
>>         >
>>
>>            No LADSPA/LV2 afaik.
>>            But there are two native Linux VST plug-ins that might be
>>        able to
>>            achieve this:
>>            Argotlunar: http://argotlunar.info/
>>            Axonlib fx_grains: http://code.google.com/p/axonlib/
>>
>>            Best,
>>
>>            Jeremy
>>
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