Add FS #10214. Initial commit of the original PDa code for the GSoC Pure Data plugin project of Wincent Balin. Stripped some non-sourcefiles and added a rockbox readme that needs a bit more info from Wincent. Is added to CATEGORIES and viewers, but not yet to SUBDIRS (ie doesn't build yet)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21044 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 114 insertions, 0 deletions

diff --git a/apps/plugins/pdbox/PDa/extra/zerox~.c b/apps/plugins/pdbox/PDa/extra/zerox~.c
new file mode 100644
index 0000000000..f97f412308
--- /dev/null
+++ b/apps/plugins/pdbox/PDa/extra/zerox~.c
@@ -0,0 +1,114 @@
+#include "m_pd.h"
+
+static t_class *zerox_class;
+
+typedef struct _zerox
+{
+    t_object x_obj; 
+    t_sample x_f;
+    t_int   x_zeros;
+} t_zerox;
+
+
+static t_int *zerox_perform(t_int *w)
+{
+    t_zerox* x = (t_zerox*)w[1];
+    t_sample *in = (t_sample *)(w[2]);
+    int n = (int)(w[3]) ;
+
+    if (*in * x->x_f < 0) x->x_zeros++;
+    n--;
+    while (n--)
+    {
+        float f = *(in++);
+        x->x_zeros += f * *in < 0;
+    }
+    return (w+4);
+}
+
+static void zerox_dsp(t_zerox *x, t_signal **sp)
+{
+    dsp_add(zerox_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
+}
+
+
+static void zerox_bang(t_zerox* x)
+{
+    outlet_float(x->x_obj.ob_outlet,x->x_zeros);
+    x->x_zeros=0;
+}
+
+static void *zerox_new(void)
+{
+    t_zerox *x = (t_zerox *)pd_new(zerox_class);
+    outlet_new(&x->x_obj, gensym("float"));
+    x->x_f = 0;
+    x->x_zeros=0;
+    return (x);
+}
+
+void zerox_tilde_setup(void)
+{
+    zerox_class = class_new(gensym("zerox~"), (t_newmethod)zerox_new, 0,
+        sizeof(t_zerox), 0, A_DEFFLOAT, 0);
+    CLASS_MAINSIGNALIN(zerox_class, t_zerox, x_f);
+    class_addmethod(zerox_class, (t_method)zerox_dsp, gensym("dsp"), 0);
+    class_addbang(zerox_class, (t_method)zerox_bang);
+}
+#include "m_pd.h"
+
+static t_class *zerox_class;
+
+typedef struct _zerox
+{
+    t_object x_obj; 
+    t_sample x_f;
+    t_int   x_zeros;
+} t_zerox;
+
+
+static t_int *zerox_perform(t_int *w)
+{
+    t_zerox* x = (t_zerox*)w[1];
+    t_sample *in = (t_sample *)(w[2]);
+    int n = (int)(w[3]) ;
+
+    if (*in * x->x_f < 0) x->x_zeros++;
+    n--;
+    while (n--)
+    {
+        float f = *(in++);
+        x->x_zeros += f * *in < 0;
+    }
+    return (w+4);
+}
+
+static void zerox_dsp(t_zerox *x, t_signal **sp)
+{
+    dsp_add(zerox_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
+}
+
+
+static void zerox_bang(t_zerox* x)
+{
+    outlet_float(x->x_obj.ob_outlet,x->x_zeros);
+    x->x_zeros=0;
+}
+
+static void *zerox_new(void)
+{
+    t_zerox *x = (t_zerox *)pd_new(zerox_class);
+    outlet_new(&x->x_obj, gensym("float"));
+    x->x_f = 0;
+    x->x_zeros=0;
+    return (x);
+}
+
+void zerox_tilde_setup(void)
+{
+    zerox_class = class_new(gensym("zerox~"), (t_newmethod)zerox_new, 0,
+        sizeof(t_zerox), 0, A_DEFFLOAT, 0);
+    CLASS_MAINSIGNALIN(zerox_class, t_zerox, x_f);
+    class_addmethod(zerox_class, (t_method)zerox_dsp, gensym("dsp"), 0);
+    class_addbang(zerox_class, (t_method)zerox_bang);
+}