[chuck-users] snd file writing

Kassen signal.automatique at gmail.com
Thu Sep 30 16:10:21 EDT 2010

On 30 September 2010 18:05, Daniel Trueman <dtrueman at princeton.edu> wrote:

> hey, thanks. i'm actually looking for non-realtime file writing; want to
> write the contents of LiSa buffers to disc, but i don't want to hack that
> into LiSa itself, for many reasons including lack of time and laziness...
So, you are looking for non-realtime writing from a VM that itself runs in
realtime and outputs audio that may be different from the contents of the
buffer that you are trying to save?

I'm not sure about the non-realtime writing, but you could copy the contents
of your LiSa to a separate LiSa used for this purpose, then have that play
into a WvOut (and a blackhole) while the original LiSa is free to go on to
do new things?

I don't think you can do exactly what you proposed, but I'm fairly sure
there will be workarounds depending on what you want to accomplish. I also
think we might be able to use a file output in a function that takes a LiSa
as a argument and creates a audio file. This would, however, require
implementing the file format of whatever type of file we pick in ChucK. It's
also a rather theoretical approach as I never heard of anyone doing this. In
my experience that means trying will unearth bugs (not a bad thing, as

Does that help? Do we need to go over the details of your needs?

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