Hi,

I have read somewhere (?) that a plugin opcode could operate at its own
(local) k-rate. If it is true, does antone can give me an example (and a
reference into the documentation)?

Example: 

    sr = 44100
    ksmps = 10
    (and local ksmps = 100)

Thank you,

Olivier.



-----

Olivier Baudouin, PhD 
http://olivierbaudouin.com 
MINT-OMF 
Paris-Sorbonne

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No idea, really?



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I think there is confusion between UDOs that can have fractional ksmps,
and opcodes which cannot??


> No idea, really?
>
>
>
> -----
>
> Olivier Baudouin, PhD
> http://olivierbaudouin.com
> MINT-OMF
> Paris-Sorbonne
>
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UDOs can have their own k-rate. This can be set using setksmps. I'm
not sure about opcodes, I think they are bound to the global k-rate,
but when the internal variables get updated is up to you, so even if
the global k-rate is set, you can still operate at your own update
rate. If that makes any sense...

On 5 September 2012 17:02,   wrote:
> I think there is confusion between UDOs that can have fractional ksmps,
> and opcodes which cannot??
>
>
>> No idea, really?
>>
>>
>>
>> -----
>>
>> Olivier Baudouin, PhD
>> http://olivierbaudouin.com
>> MINT-OMF
>> Paris-Sorbonne
>>
>> --
>> View this message in context:
>> http://csound.1045644.n5.nabble.com/Plugin-opcode-with-custom-k-rate-tp5715428p5715475.html
>> Sent from the Csound - Dev mailing list archive at Nabble.com.
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>>
>
>
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Yes, I see. In UDOs, with setksmp: "you cannot use a local ksmps that is
higher than the global ksmps".

So, I cannot at all "slow down" a plugin opcode locally?



-----

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MINT-OMF 
Paris-Sorbonne

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Sorry Olivier, are you talking about plugins opcodes (i.e., compiled
libraries), or UDOs?

On 5 September 2012 17:12, obaudouin  wrote:
> Yes, I see. In UDOs, with setksmp: "you cannot use a local ksmps that is
> higher than the global ksmps".

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about plugins opcodes not UDOs



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I haven't written any plugin opcodes but can't you just slow down the
update rate yourself with local counters, i.e., count how many k
periods you want to pass before updating your internals? Would this
work?

On 5 September 2012 17:20, obaudouin  wrote:
> about plugins opcodes not UDOs
>
>
>
> -----
>
> Olivier Baudouin, PhD
> http://olivierbaudouin.com
> MINT-OMF
> Paris-Sorbonne
>
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Plugin opcodesare only kicked once per k-cycle.  That is how csound works.
 Iside an opcode one can do many odd things, but you only get called at
krate
==John ff

> about plugins opcodes not UDOs
>
>
>
> -----
>
> Olivier Baudouin, PhD
> http://olivierbaudouin.com
> MINT-OMF
> Paris-Sorbonne
>
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> View this message in context:
> http://csound.1045644.n5.nabble.com/Plugin-opcode-with-custom-k-rate-tp5715428p5715481.html
> Sent from the Csound - Dev mailing list archive at Nabble.com.
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>



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> I haven't written any plugin opcodes but can't you just slow down the
> update rate yourself with local counters, i.e., count how many k
> periods you want to pass before updating your internals? Would this
> work?
>
>

yes; that is how the pvs opcodes work



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Thanks!



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MINT-OMF 
Paris-Sorbonne

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Other opcodes also do something like that too. For instance, the centroid opcode only calculates a centroid when a trigger is set.

Victor

On 5 Sep 2012, at 17:30, obaudouin  wrote:

> Thanks!
> 
> 
> 
> -----
> 
> Olivier Baudouin, PhD 
> http://olivierbaudouin.com 
> MINT-OMF 
> Paris-Sorbonne
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