Hi,
the problem is here:
https://github.com/porres/pd-else/blob/2d53dfa7bd02b1fd102dbad7a2f9799df0a32e37/Code_source/Compiled/signal/xgate.mc~.c#L67-L68
signal_setmultiout() changes the signal pointer, so you must call it
/before /assigning the signal pointer to the arg vector for dsp_addv()!
Just swap these two lines and you should be good.
---
Some further notes:
1. I think you don't need x_outs at all when using dsp_addv(). The
following lines are completely redundant:
https://github.com/porres/pd-else/blob/2d53dfa7bd02b1fd102dbad7a2f9799df0a32e37/Code_source/Compiled/signal/xgate~.c#L41-L42
2. Never ever send a Pd message directly from a perform routine! Always
use a clock!
https://github.com/porres/pd-else/blob/2d53dfa7bd02b1fd102dbad7a2f9799df0a32e37/Code_source/Compiled/signal/xgate~.c#L50-L55
3. Why calloc/free instead of getbytes/freebytes? (In this particular
case, it would also be safe to just use alloca())
https://github.com/porres/pd-else/blob/2d53dfa7bd02b1fd102dbad7a2f9799df0a32e37/Code_source/Compiled/signal/xgate~.c#L67-L72
Christof
On 09.08.2023 15:41, Alexandre Torres Porres wrote:
Ok, I tried building my new object and it crashes Pd as I expected.
Here's the original [xgate~] code, and I'm highlighting a specific
line in it because the same thing in the "mc" version is what's
crashing Pd.
https://github.com/porres/pd-else/blob/master/Code_source/Compiled/signal/xgate~.c#L57
and here's the [xgate.mc <http://xgate.mc>~] code, which is exactly
the same thing
https://github.com/porres/pd-else/blob/master/Code_source/Compiled/signal/xgate.mc~.c#L52
But now it seems "*x->x_outs[n]++" doesn't work. The only difference
is that the outlets are now multichannel but Pd crashes even if the
input is a single channel.
Not sure yet if it is something about "dsp_addv" not working for
multichannels. I also suspect I need to adapt the code a bit in this
case for some unknown reason to me.
please help
thanks
Em qua., 9 de ago. de 2023 às 00:57, Alexandre Torres Porres
<[email protected]> escreveu:
Hi, I am having a hard time using "dsp_addv" with a
multichannel external.
I am trying to make a multichannel version of [else/xgate~], which
routes a signal to different outputs with crossfading. It
originally uses "dsp_addv" so it can have a DSP routine with a
variable number of outlets, which is specified by an argument.
So now I want these outlets to output multichannel signals and I
have run into trouble before trying to use "dsp_addv" with
multichannel signals. I was able to avoid it before but now I
can't and I wanna be sure before I try it.
thanks
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