> Le 1 févr. 2020 à 00:38, Daniel Chapiro <dchap...@gmail.com> a écrit :
>
> Hi - I’m using FL 2.5.3 (OSX 10.13.6), and got this error msg with the
> attached bowed3.dsp (it worked w/old libs, and I just put the prefixes to
> make it work with the new libs):
>
> Wed Jan 29 2020 19:47:14:
> ERROR in sequential composition A:B
> The number of outputs [1] of A must be equals to the number of inputs [2] of B
>
> Here A = _,0.94999999999999996f : *; has 1 output
> while B =
> _,\(x1).((((1,(0.59999999999999998f,(2205.0f,(192000.0f,(1.0f,fconstant(int
> fSamplingFreq, <math.h>) : max) : min) : /) : -) : -),x1 :
> *),((0,(0.59999999999999998f,(2205.0f,(192000.0f,(1.0f,fconstant(int
> fSamplingFreq, <math.h>) : max) : min) : /) : -) : -),_ : *) : -)~_) : -; has
> 2 inputs
This seem to come from this block (line 68 - 70) :
// Bow-Neck: a lowpass filter (declared in instrument.lib) // ### how
chose these values?
LP = *(gain) : -(in.onePole(b0,a1))
with{ pole = 0.6 - (0.1*22050/ma.SR); gain = 0.95; b0 = 1-pole; a1 =
-pole; };
>
> 1. Many of FL’s error messages are a bit cryptic, and have no reference to
> the user’s code, so it’s very hard to know where is the error in the .dsps
> and .libs.
> Couldn’t FL spit the full call path, to know what was the offending code in
> one’s .dsp? (would make both novice and expert Faust users much more
> productive)
Yes we know that, but that’s not easy to do !
>
> 2. Not having that call path, I just grep’d in the libraries for some of the
> strings from the message above, and got a hit just in “math.lib”:
>
> SR = min(192000.0, max(1.0, fconstant(int fSamplingFreq, <math.h>)));
>
> In my .dsp I simply use the SR constant, and I don’t have any idea why FL is
> complaining (presumably about this line in math.lib).
ma.SR is indeed defined i the mats.lib library, and will actually take the SR
value given to the DSP at runtime.
>
> 3. To see if it’s a bug in the library that was bundled in FL 2.3.5, I
> replaced this library with the most recent one:
> cd ~/.FaustLive-CurrentSession-2.0
> rm Libs/*
> git clone https://github.com/grame-cncm/faustlibraries Libs
>
> Running FL again, I got the exact same error message above.
>
> Anybody knows how to get around this?
>
> Thanks!
> Daniel
>
Stéphane
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