[chuck-users] SndBuf: setting loop
signal.automatique at gmail.com
Sat Oct 13 08:42:45 EDT 2007
On 10/13/07, dan trueman <dtrueman at princeton.edu> wrote:
> i knew there'd be some good questions!
Yes, it's unavoidable that things like this will lead to questions, but
questions are good. Let's be happy so many aspects of ChucK are so
> i'll have to ask Ge how to do that; i don't know how to set things up
> so you can chuck to a function that needs two arguments. i agree it
> is more chuckian this way, and i first wrote the example that way
> before finding it didn't work. actually, is there another example of
> a method that has two args but will allow you to chuck to the first
> arg? if there is, i might be able to look at the source and figure it
> out. can't think of one offhand at the moment....
I tried to think of one too. but I can't come up with a very clear one. In
my own opinion this write operation is somewhat like writing to a array so I
think that's one reason to follow the proposed syntax...
LiSa simpson => dac.chan(4);
is somewhat like it as well, except that is a very different operation and
we're not doing the actual writing ourselves manually.
Erm... I don't know. Would like to be able to write classes that have member
functions that work like that as well now that I think of it, but that is
clearly Ge's area. Seems like a sub-section of "cross-chucking" in some way
as well. Might be functionality we should have, funny how it only comes up
now in this way.
> LiSa is most definitely interpolating on read, but not on write. i'll
> look into the latter at some point....
That would be good, I think, because with this particular write operation
there would be a implicit cast from float to int so that's implicit
data-loss. I don't think it's all that obvious exactly *what* interpolation
would mean in the case of writing single values and it gets more
buf.valueAt(i) +=> lisa.valueAt( i::samp);
That doesn't sound unreasonable to me either (basically it's a sort of
mixing over-dub). Perhaps we should simply round to the nearest integer
sample so people who have their own opinion on what interpolated writes mean
in this context can implement that themselves in ChucK?
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