Yes, that is possible, because different ASIO drivers might
have different restrictions for the buffer sizes they allow. Powers-of-two
are a good bet, as a rule of thumb.

Victor

At 23:32 13/02/2006, you wrote:
>FYI: I was unable to get rid of clicks unless both -b and ksmps were
>powers of 2 >= 128.  I couldn't match your results with 400, 200 or
>100 for -b.
>b
>
>On 2/10/06, Victor Lazzarini  wrote:
> > It seems to be with any setting of -b that is an integer
> > multiple of ksmps. I originally tested with -b400, coming
> > down from -b512 which was giving me clicks. But the
> > clicks are there with -b1024 and -b2048, as well as -b4096.
> >
> > I was thinking about why this is the case, since it does not
> > make much sense as you said. Without looking at the code
> > (I was on my way home), I speculated whether this is caused
> > by the lock mechanism.
> >
> > The interesting thing (and this is why I thought), is that
> > while
> > the clicks are there on input, they're not on signals
> > generated
> > by Csound. On the same performance, an instrument with RT
> > input has clicks, while an instrument with say, an
> > oscillator,
> > does not. So the clicks are being generated at the input,
> > possibly at the buffering, and that's why I think the locks
> > are involved. Somehow,  the buffering needs to be 'in sync'.
> > What do you think?
> >
> > Victor
> >
> > >
> > > On Friday 10 February 2006 19:07, Victor Lazzarini wrote:
> > >
> > > > But hey, I found out why!
> > > >
> > > > It just happens that -b has to be a multiple of ksmps. I
> > > > have not checked the code, but it's simple. With -b512
> > > > and ksmps=100, clicks are there, but with -b100 (or
> > > -b200), the sound is perfect.
> > >
> > > Are you sure the clicks go away because of the -b/ksmps
> > > ratio, and not simply because -b is lower ? What happens
> > > if you use ksmps=64 or ksmps=128 with -b 512 ? Also, what
> > > is -B set to ? The rtpa plugin does not know about ksmps,
> > > and if there is a bug in libsnd.c (where the buffering
> > > from -b to ksmps samples is done), it should also affect
> > > file input. --
> > > Send bugs reports to this list.
> > > To unsubscribe, send email to
> > > csound-unsubscribe@lists.bath.ac.uk
> > --
> > Send bugs reports to this list.
> > To unsubscribe, send email to csound-unsubscribe@lists.bath.ac.uk
> >

Victor Lazzarini
Music Technology Laboratory
Music Department
National University of Ireland, Maynooth