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, 264 insertions, 0 deletions

diff --git a/apps/plugins/pdbox/PDa/intern/tabwrite~.c b/apps/plugins/pdbox/PDa/intern/tabwrite~.c
new file mode 100644
index 0000000000..47a49cd833
--- /dev/null
+++ b/apps/plugins/pdbox/PDa/intern/tabwrite~.c
@@ -0,0 +1,264 @@
+
+#include <m_pd.h>
+#include <m_fixed.h>
+
+static t_class *tabwrite_tilde_class;
+
+typedef struct _tabwrite_tilde
+{
+    t_object x_obj;
+    int x_phase;
+    int x_nsampsintab;
+    t_sample *x_vec;
+    t_symbol *x_arrayname;
+    t_clock *x_clock;
+    float x_f;
+} t_tabwrite_tilde;
+
+static void tabwrite_tilde_tick(t_tabwrite_tilde *x);
+
+static void *tabwrite_tilde_new(t_symbol *s)
+{
+    t_tabwrite_tilde *x = (t_tabwrite_tilde *)pd_new(tabwrite_tilde_class);
+    x->x_clock = clock_new(x, (t_method)tabwrite_tilde_tick);
+    x->x_phase = 0x7fffffff;
+    x->x_arrayname = s;
+    x->x_f = 0;
+    return (x);
+}
+
+static t_int *tabwrite_tilde_perform(t_int *w)
+{
+    t_tabwrite_tilde *x = (t_tabwrite_tilde *)(w[1]);
+    t_sample *in = (t_sample *)(w[2]);
+    int n = (int)(w[3]), phase = x->x_phase, endphase = x->x_nsampsintab;
+    if (!x->x_vec) goto bad;
+    
+    if (endphase > phase)
+    {
+        int nxfer = endphase - phase;
+        t_sample *fp = x->x_vec + phase;
+        if (nxfer > n) nxfer = n;
+        phase += nxfer;
+        while (nxfer--)
+        {
+            t_sample f = *in++;
+            *fp++ = f;
+        }
+        if (phase >= endphase)
+        {
+            clock_delay(x->x_clock, 0);
+            phase = 0x7fffffff;
+        }
+        x->x_phase = phase;
+    }
+bad:
+    return (w+4);
+}
+
+void tabwrite_tilde_set(t_tabwrite_tilde *x, t_symbol *s)
+{
+    t_garray *a;
+
+    x->x_arrayname = s;
+    if (!(a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class)))
+    {
+        if (*s->s_name) pd_error(x, "tabwrite~: %s: no such array",
+            x->x_arrayname->s_name);
+        x->x_vec = 0;
+    }
+    else if (!garray_getfloatarray(a, &x->x_nsampsintab, &x->x_vec))
+    {
+        error("%s: bad template for tabwrite~", x->x_arrayname->s_name);
+        x->x_vec = 0;
+    }
+    else garray_usedindsp(a);
+}
+
+static void tabwrite_tilde_dsp(t_tabwrite_tilde *x, t_signal **sp)
+{
+    tabwrite_tilde_set(x, x->x_arrayname);
+    dsp_add(tabwrite_tilde_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
+}
+
+static void tabwrite_tilde_bang(t_tabwrite_tilde *x)
+{
+    x->x_phase = 0;
+}
+
+static void tabwrite_tilde_float(t_tabwrite_tilde *x,t_float n)
+{
+    if (n < x->x_nsampsintab)
+        x->x_phase = n;
+    else
+        x->x_phase = 0;
+}
+
+static void tabwrite_tilde_stop(t_tabwrite_tilde *x)
+{
+    if (x->x_phase != 0x7fffffff)
+    {
+        tabwrite_tilde_tick(x);
+        x->x_phase = 0x7fffffff;
+    }
+}
+
+static void tabwrite_tilde_tick(t_tabwrite_tilde *x)
+{
+    t_garray *a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class);
+    if (!a) bug("tabwrite_tilde_tick");
+    else garray_redraw(a);
+}
+
+static void tabwrite_tilde_free(t_tabwrite_tilde *x)
+{
+    clock_free(x->x_clock);
+}
+
+void tabwrite_tilde_setup(void)
+{
+    tabwrite_tilde_class = class_new(gensym("tabwrite~"),
+        (t_newmethod)tabwrite_tilde_new, (t_method)tabwrite_tilde_free,
+        sizeof(t_tabwrite_tilde), 0, A_DEFSYM, 0);
+    CLASS_MAINSIGNALIN(tabwrite_tilde_class, t_tabwrite_tilde, x_f);
+    class_addmethod(tabwrite_tilde_class, (t_method)tabwrite_tilde_dsp,
+        gensym("dsp"), 0);
+    class_addmethod(tabwrite_tilde_class, (t_method)tabwrite_tilde_set,
+        gensym("set"), A_SYMBOL, 0);
+    class_addmethod(tabwrite_tilde_class, (t_method)tabwrite_tilde_stop,
+        gensym("stop"), 0);
+    class_addbang(tabwrite_tilde_class, tabwrite_tilde_bang);
+    class_addfloat(tabwrite_tilde_class, tabwrite_tilde_float);
+}
+
+#include <m_pd.h>
+#include <m_fixed.h>
+
+static t_class *tabwrite_tilde_class;
+
+typedef struct _tabwrite_tilde
+{
+    t_object x_obj;
+    int x_phase;
+    int x_nsampsintab;
+    t_sample *x_vec;
+    t_symbol *x_arrayname;
+    t_clock *x_clock;
+    float x_f;
+} t_tabwrite_tilde;
+
+static void tabwrite_tilde_tick(t_tabwrite_tilde *x);
+
+static void *tabwrite_tilde_new(t_symbol *s)
+{
+    t_tabwrite_tilde *x = (t_tabwrite_tilde *)pd_new(tabwrite_tilde_class);
+    x->x_clock = clock_new(x, (t_method)tabwrite_tilde_tick);
+    x->x_phase = 0x7fffffff;
+    x->x_arrayname = s;
+    x->x_f = 0;
+    return (x);
+}
+
+static t_int *tabwrite_tilde_perform(t_int *w)
+{
+    t_tabwrite_tilde *x = (t_tabwrite_tilde *)(w[1]);
+    t_sample *in = (t_sample *)(w[2]);
+    int n = (int)(w[3]), phase = x->x_phase, endphase = x->x_nsampsintab;
+    if (!x->x_vec) goto bad;
+    
+    if (endphase > phase)
+    {
+        int nxfer = endphase - phase;
+        t_sample *fp = x->x_vec + phase;
+        if (nxfer > n) nxfer = n;
+        phase += nxfer;
+        while (nxfer--)
+        {
+            t_sample f = *in++;
+            *fp++ = f;
+        }
+        if (phase >= endphase)
+        {
+            clock_delay(x->x_clock, 0);
+            phase = 0x7fffffff;
+        }
+        x->x_phase = phase;
+    }
+bad:
+    return (w+4);
+}
+
+void tabwrite_tilde_set(t_tabwrite_tilde *x, t_symbol *s)
+{
+    t_garray *a;
+
+    x->x_arrayname = s;
+    if (!(a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class)))
+    {
+        if (*s->s_name) pd_error(x, "tabwrite~: %s: no such array",
+            x->x_arrayname->s_name);
+        x->x_vec = 0;
+    }
+    else if (!garray_getfloatarray(a, &x->x_nsampsintab, &x->x_vec))
+    {
+        error("%s: bad template for tabwrite~", x->x_arrayname->s_name);
+        x->x_vec = 0;
+    }
+    else garray_usedindsp(a);
+}
+
+static void tabwrite_tilde_dsp(t_tabwrite_tilde *x, t_signal **sp)
+{
+    tabwrite_tilde_set(x, x->x_arrayname);
+    dsp_add(tabwrite_tilde_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
+}
+
+static void tabwrite_tilde_bang(t_tabwrite_tilde *x)
+{
+    x->x_phase = 0;
+}
+
+static void tabwrite_tilde_float(t_tabwrite_tilde *x,t_float n)
+{
+    if (n < x->x_nsampsintab)
+        x->x_phase = n;
+    else
+        x->x_phase = 0;
+}
+
+static void tabwrite_tilde_stop(t_tabwrite_tilde *x)
+{
+    if (x->x_phase != 0x7fffffff)
+    {
+        tabwrite_tilde_tick(x);
+        x->x_phase = 0x7fffffff;
+    }
+}
+
+static void tabwrite_tilde_tick(t_tabwrite_tilde *x)
+{
+    t_garray *a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class);
+    if (!a) bug("tabwrite_tilde_tick");
+    else garray_redraw(a);
+}
+
+static void tabwrite_tilde_free(t_tabwrite_tilde *x)
+{
+    clock_free(x->x_clock);
+}
+
+void tabwrite_tilde_setup(void)
+{
+    tabwrite_tilde_class = class_new(gensym("tabwrite~"),
+        (t_newmethod)tabwrite_tilde_new, (t_method)tabwrite_tilde_free,
+        sizeof(t_tabwrite_tilde), 0, A_DEFSYM, 0);
+    CLASS_MAINSIGNALIN(tabwrite_tilde_class, t_tabwrite_tilde, x_f);
+    class_addmethod(tabwrite_tilde_class, (t_method)tabwrite_tilde_dsp,
+        gensym("dsp"), 0);
+    class_addmethod(tabwrite_tilde_class, (t_method)tabwrite_tilde_set,
+        gensym("set"), A_SYMBOL, 0);
+    class_addmethod(tabwrite_tilde_class, (t_method)tabwrite_tilde_stop,
+        gensym("stop"), 0);
+    class_addbang(tabwrite_tilde_class, tabwrite_tilde_bang);
+    class_addfloat(tabwrite_tilde_class, tabwrite_tilde_float);
+}