From 9660f00c84efa04942aa179588059eb1e7f2a8d9 Mon Sep 17 00:00:00 2001
From: Miller Puckette <msp@ucsd.edu>
Date: Tue, 17 Jun 2008 16:09:38 -0700
Subject: [PATCH] pd~ fixed not to open subprocess at startup
---
extra/pd~/pd~-help.pd | 8 ++++-
extra/pd~/pd~.c | 80 +++++++++++++++++++++++++++++++++++++------
2 files changed, 77 insertions(+), 11 deletions(-)
diff --git a/extra/pd~/pd~-help.pd b/extra/pd~/pd~-help.pd
index dd7225b20..a845f453f 100644
--- a/extra/pd~/pd~-help.pd
+++ b/extra/pd~/pd~-help.pd
@@ -1,4 +1,4 @@
-#N canvas 349 97 450 300 10;
+#N canvas 353 325 450 300 10;
#X msg 52 86 foo bar baz;
#X obj 209 52 osc~ 440;
#X obj 74 211 env~ 8192;
@@ -7,8 +7,14 @@
#X obj 281 232 print a;
#X msg 315 81 \; pd dsp 1;
#X obj 70 166 pd~ test.pd;
+#X msg 66 20 pd~ stop;
+#X msg 77 42 pd~ start;
+#X msg 86 61 pd~ restart;
#X connect 0 0 7 0;
#X connect 1 0 7 0;
#X connect 2 0 3 0;
#X connect 4 0 5 0;
#X connect 7 0 2 0;
+#X connect 8 0 7 0;
+#X connect 9 0 7 0;
+#X connect 10 0 7 0;
diff --git a/extra/pd~/pd~.c b/extra/pd~/pd~.c
index 6dae70a60..c3de374fe 100644
--- a/extra/pd~/pd~.c
+++ b/extra/pd~/pd~.c
@@ -28,6 +28,8 @@
#include "ext_obex.h"
typedef double t_floatarg;
+#define w_symbol w_sym
+#define A_SYMBOL A_SYM
#define getbytes t_getbytes
#define freebytes t_freebytes
#define ERROR error(
@@ -85,6 +87,11 @@ typedef struct _pd_tilde
int x_childpid;
int x_ninsig;
int x_noutsig;
+ int x_fifo;
+ float x_sr;
+ t_symbol *x_pddir;
+ t_symbol *x_schedlibdir;
+ char *x_pdargs;
t_sample **x_insig;
t_sample **x_outsig;
} t_pd_tilde;
@@ -192,10 +199,12 @@ static void pd_tilde_donew(t_pd_tilde *x, char *pddir, char *schedlibdir,
}
snprintf(cmdbuf, MAXPDSTRING, "%s -schedlib %s/pdsched %s\n",
pdexecbuf, schedlibdir, pdargs);
+#if 0
#ifdef PD
fprintf(stderr, "%s", cmdbuf);
#endif
post("cmd: %s", cmdbuf);
+#endif
if (pipe(pipe1) < 0)
{
ERROR "pd~: can't create pipe");
@@ -356,6 +365,32 @@ static void pd_tilde_dsp(t_pd_tilde *x, t_signal **sp)
dsp_add(pd_tilde_perform, 2, x, n);
}
+static void pd_tilde_pdtilde(t_pd_tilde *x, t_symbol *s,
+ int argc, t_atom *argv)
+{
+ t_symbol *sel = ((argc > 0 && argv->a_type == A_SYMBOL) ? argv->a_w.w_symbol : gensym("?"));
+ if (sel == gensym("start"))
+ {
+ if (!x->x_infd)
+ pd_tilde_donew(x, x->x_pddir->s_name, x->x_schedlibdir->s_name,
+ x->x_pdargs, x->x_ninsig, x->x_noutsig, x->x_fifo, x->x_sr);
+ }
+ else if (sel == gensym("stop"))
+ {
+ if (x->x_infd)
+ pd_tilde_close(x);
+ }
+ else if (sel == gensym("restart"))
+ {
+ if (x->x_infd)
+ pd_tilde_close(x);
+ if (!x->x_infd)
+ pd_tilde_donew(x, x->x_pddir->s_name, x->x_schedlibdir->s_name,
+ x->x_pdargs, x->x_ninsig, x->x_noutsig, x->x_fifo, x->x_sr);
+ }
+ else ERROR "pd~: unknown control message: %s", sel->s_name);
+}
+
static void pd_tilde_free(t_pd_tilde *x)
{
#ifdef MSP
@@ -363,6 +398,7 @@ static void pd_tilde_free(t_pd_tilde *x)
#endif
pd_tilde_close(x);
clock_free(x->x_clock);
+ free(x->x_pdargs);
}
/* -------------------------- Pd glue ------------------------- */
@@ -372,7 +408,10 @@ static void pd_tilde_tick(t_pd_tilde *x)
{
int messstart = 0, i, n;
t_atom *vec;
- t_binbuf *b = binbuf_new();
+ t_binbuf *b;
+ if (!x->x_msgbuf)
+ return;
+ b = binbuf_new();
binbuf_text(b, x->x_msgbuf, x->x_infill);
/* binbuf_print(b); */
n = binbuf_getnatom(b);
@@ -489,24 +528,33 @@ static void *pd_tilde_new(t_symbol *s, int argc, t_atom *argv)
x->x_outsig = (t_sample **)getbytes(noutsig * sizeof(*x->x_outsig));
x->x_ninsig = ninsig;
x->x_noutsig = noutsig;
+ x->x_fifo = fifo;
+ x->x_sr = sr;
+ x->x_pddir = pddir;
+ x->x_schedlibdir = scheddir;
+ x->x_pdargs = malloc(strlen(pdargstring)+1);
+ x->x_infd = 0;
+ x->x_outfd = 0;
+ x->x_outfd = 0;
+ x->x_childpid = -1;
+ x->x_msgbuf = 0;
+ strcpy(x->x_pdargs, pdargstring);
for (j = 1, g = x->x_insig; j < ninsig; j++, g++)
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
for (j = 0, g = x->x_outsig; j < noutsig; j++, g++)
outlet_new(&x->x_obj, &s_signal);
signal(SIGPIPE, SIG_IGN);
- pd_tilde_donew(x, pddir->s_name, scheddir->s_name, pdargstring,
- ninsig, noutsig, fifo, sr);
return (x);
}
-
void pd_tilde_setup(void)
{
pd_tilde_class = class_new(gensym("pd~"), (t_newmethod)pd_tilde_new,
(t_method)pd_tilde_free, sizeof(t_pd_tilde), 0, A_GIMME, 0);
class_addmethod(pd_tilde_class, nullfn, gensym("signal"), 0);
class_addmethod(pd_tilde_class, (t_method)pd_tilde_dsp, gensym("dsp"), 0);
+ class_addmethod(pd_tilde_class, (t_method)pd_tilde_pdtilde, gensym("pd~"), A_GIMME, 0);
class_addanything(pd_tilde_class, pd_tilde_anything);
post("pd~ version 0.1");
}
@@ -521,8 +569,11 @@ static void pd_tilde_tick(t_pd_tilde *x)
{
int messstart = 0, i, n = 0;
t_atom vec[LOTS];
- void *b = binbuf_new();
- long z1 = 0, z2 = 0;
+ long z1 = 0, z2 = 0;
+ void *b;
+ if (!x->x_msgbuf)
+ return;
+ b = binbuf_new();
binbuf_text(b, &x->x_msgbuf, x->x_infill);
/* binbuf_print(b); */
while (!binbuf_getatom(b, &z1, &z2, vec+n))
@@ -594,7 +645,8 @@ int main()
class_addmethod(c, (method)pd_tilde_dsp, "dsp", A_CANT, 0);
class_addmethod(c, (method)pd_tilde_assist, "assist", A_CANT, 0);
- class_addmethod(c, (method)pd_tilde_anything, "anything", A_GIMME, 0);
+ class_addmethod(c, (method)pd_tilde_pdtilde, "pd~", A_GIMME, 0);
+ class_addmethod(c, (method)pd_tilde_anything, "anything", A_GIMME, 0);
class_dspinit(c);
class_register(CLASS_BOX, c);
@@ -683,9 +735,17 @@ static void *pd_tilde_new(t_symbol *s, long ac, t_atom *av)
x->x_outsig = (t_sample **)getbytes(noutsig * sizeof(*x->x_outsig));
x->x_ninsig = ninsig;
x->x_noutsig = noutsig;
-
- pd_tilde_donew(x, pddir->s_name, scheddir->s_name, pdargstring,
- ninsig, noutsig, fifo, sr);
+ x->x_fifo = fifo;
+ x->x_sr = sr;
+ x->x_pddir = pddir;
+ x->x_schedlibdir = scheddir;
+ x->x_pdargs = malloc(strlen(pdargstring)+1);
+ x->x_infd = 0;
+ x->x_outfd = 0;
+ x->x_outfd = 0;
+ x->x_childpid = -1;
+ x->x_msgbuf = 0;
+ strcpy(x->x_pdargs, pdargstring);
}
return (x);
}
--
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