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/tabplay~.c b/apps/plugins/pdbox/PDa/intern/tabplay~.c
new file mode 100644
index 0000000000..c0032a1e12
--- /dev/null
+++ b/apps/plugins/pdbox/PDa/intern/tabplay~.c
@@ -0,0 +1,264 @@
+
+#define FIXEDPOINT
+#include <m_pd.h>
+#include <m_fixed.h>
+
+static t_class *tabplay_tilde_class;
+
+typedef struct _tabplay_tilde
+{
+    t_object x_obj;
+    t_outlet *x_bangout;
+    int x_phase;
+    int x_nsampsintab;
+    int x_limit;
+    t_sample *x_vec;
+    t_symbol *x_arrayname;
+    t_clock *x_clock;
+} t_tabplay_tilde;
+
+static void tabplay_tilde_tick(t_tabplay_tilde *x);
+
+static void *tabplay_tilde_new(t_symbol *s)
+{
+    t_tabplay_tilde *x = (t_tabplay_tilde *)pd_new(tabplay_tilde_class);
+    x->x_clock = clock_new(x, (t_method)tabplay_tilde_tick);
+    x->x_phase = 0x7fffffff;
+    x->x_limit = 0;
+    x->x_arrayname = s;
+    outlet_new(&x->x_obj, &s_signal);
+    x->x_bangout = outlet_new(&x->x_obj, &s_bang);
+    return (x);
+}
+
+static t_int *tabplay_tilde_perform(t_int *w)
+{
+    t_tabplay_tilde *x = (t_tabplay_tilde *)(w[1]);
+    t_sample *out = (t_sample *)(w[2]), *fp;
+    int n = (int)(w[3]), phase = x->x_phase,
+        endphase = (x->x_nsampsintab < x->x_limit ?
+            x->x_nsampsintab : x->x_limit), nxfer, n3;
+    if (!x->x_vec || phase >= endphase)
+        goto zero;
+    
+    nxfer = endphase - phase;
+    fp = x->x_vec + phase;
+    if (nxfer > n)
+        nxfer = n;
+    n3 = n - nxfer;
+    phase += nxfer;
+    while (nxfer--)
+        *out++ = *fp++;
+    if (phase >= endphase)
+    {
+        clock_delay(x->x_clock, 0);
+        x->x_phase = 0x7fffffff;
+        while (n3--)
+            *out++ = 0;
+    }
+    else x->x_phase = phase;
+    
+    return (w+4);
+zero:
+    while (n--) *out++ = 0;
+    return (w+4);
+}
+
+void tabplay_tilde_set(t_tabplay_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, "tabplay~: %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 tabplay~", x->x_arrayname->s_name);
+        x->x_vec = 0;
+    }
+    else garray_usedindsp(a);
+}
+
+static void tabplay_tilde_dsp(t_tabplay_tilde *x, t_signal **sp)
+{
+    tabplay_tilde_set(x, x->x_arrayname);
+    dsp_add(tabplay_tilde_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
+}
+
+static void tabplay_tilde_list(t_tabplay_tilde *x, t_symbol *s,
+    int argc, t_atom *argv)
+{
+    long start = atom_getfloatarg(0, argc, argv);
+    long length = atom_getfloatarg(1, argc, argv);
+    if (start < 0) start = 0;
+    if (length <= 0)
+        x->x_limit = 0x7fffffff;
+    else
+        x->x_limit = start + length;
+    x->x_phase = start;
+}
+
+static void tabplay_tilde_stop(t_tabplay_tilde *x)
+{
+    x->x_phase = 0x7fffffff;
+}
+
+static void tabplay_tilde_tick(t_tabplay_tilde *x)
+{
+    outlet_bang(x->x_bangout);
+}
+
+static void tabplay_tilde_free(t_tabplay_tilde *x)
+{
+    clock_free(x->x_clock);
+}
+
+void tabplay_tilde_setup(void)
+{
+    tabplay_tilde_class = class_new(gensym("tabplay~"),
+        (t_newmethod)tabplay_tilde_new, (t_method)tabplay_tilde_free,
+        sizeof(t_tabplay_tilde), 0, A_DEFSYM, 0);
+    class_addmethod(tabplay_tilde_class, (t_method)tabplay_tilde_dsp,
+        gensym("dsp"), 0);
+    class_addmethod(tabplay_tilde_class, (t_method)tabplay_tilde_stop,
+        gensym("stop"), 0);
+    class_addmethod(tabplay_tilde_class, (t_method)tabplay_tilde_set,
+        gensym("set"), A_DEFSYM, 0);
+    class_addlist(tabplay_tilde_class, tabplay_tilde_list);
+}
+
+#define FIXEDPOINT
+#include <m_pd.h>
+#include <m_fixed.h>
+
+static t_class *tabplay_tilde_class;
+
+typedef struct _tabplay_tilde
+{
+    t_object x_obj;
+    t_outlet *x_bangout;
+    int x_phase;
+    int x_nsampsintab;
+    int x_limit;
+    t_sample *x_vec;
+    t_symbol *x_arrayname;
+    t_clock *x_clock;
+} t_tabplay_tilde;
+
+static void tabplay_tilde_tick(t_tabplay_tilde *x);
+
+static void *tabplay_tilde_new(t_symbol *s)
+{
+    t_tabplay_tilde *x = (t_tabplay_tilde *)pd_new(tabplay_tilde_class);
+    x->x_clock = clock_new(x, (t_method)tabplay_tilde_tick);
+    x->x_phase = 0x7fffffff;
+    x->x_limit = 0;
+    x->x_arrayname = s;
+    outlet_new(&x->x_obj, &s_signal);
+    x->x_bangout = outlet_new(&x->x_obj, &s_bang);
+    return (x);
+}
+
+static t_int *tabplay_tilde_perform(t_int *w)
+{
+    t_tabplay_tilde *x = (t_tabplay_tilde *)(w[1]);
+    t_sample *out = (t_sample *)(w[2]), *fp;
+    int n = (int)(w[3]), phase = x->x_phase,
+        endphase = (x->x_nsampsintab < x->x_limit ?
+            x->x_nsampsintab : x->x_limit), nxfer, n3;
+    if (!x->x_vec || phase >= endphase)
+        goto zero;
+    
+    nxfer = endphase - phase;
+    fp = x->x_vec + phase;
+    if (nxfer > n)
+        nxfer = n;
+    n3 = n - nxfer;
+    phase += nxfer;
+    while (nxfer--)
+        *out++ = *fp++;
+    if (phase >= endphase)
+    {
+        clock_delay(x->x_clock, 0);
+        x->x_phase = 0x7fffffff;
+        while (n3--)
+            *out++ = 0;
+    }
+    else x->x_phase = phase;
+    
+    return (w+4);
+zero:
+    while (n--) *out++ = 0;
+    return (w+4);
+}
+
+void tabplay_tilde_set(t_tabplay_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, "tabplay~: %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 tabplay~", x->x_arrayname->s_name);
+        x->x_vec = 0;
+    }
+    else garray_usedindsp(a);
+}
+
+static void tabplay_tilde_dsp(t_tabplay_tilde *x, t_signal **sp)
+{
+    tabplay_tilde_set(x, x->x_arrayname);
+    dsp_add(tabplay_tilde_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
+}
+
+static void tabplay_tilde_list(t_tabplay_tilde *x, t_symbol *s,
+    int argc, t_atom *argv)
+{
+    long start = atom_getfloatarg(0, argc, argv);
+    long length = atom_getfloatarg(1, argc, argv);
+    if (start < 0) start = 0;
+    if (length <= 0)
+        x->x_limit = 0x7fffffff;
+    else
+        x->x_limit = start + length;
+    x->x_phase = start;
+}
+
+static void tabplay_tilde_stop(t_tabplay_tilde *x)
+{
+    x->x_phase = 0x7fffffff;
+}
+
+static void tabplay_tilde_tick(t_tabplay_tilde *x)
+{
+    outlet_bang(x->x_bangout);
+}
+
+static void tabplay_tilde_free(t_tabplay_tilde *x)
+{
+    clock_free(x->x_clock);
+}
+
+void tabplay_tilde_setup(void)
+{
+    tabplay_tilde_class = class_new(gensym("tabplay~"),
+        (t_newmethod)tabplay_tilde_new, (t_method)tabplay_tilde_free,
+        sizeof(t_tabplay_tilde), 0, A_DEFSYM, 0);
+    class_addmethod(tabplay_tilde_class, (t_method)tabplay_tilde_dsp,
+        gensym("dsp"), 0);
+    class_addmethod(tabplay_tilde_class, (t_method)tabplay_tilde_stop,
+        gensym("stop"), 0);
+    class_addmethod(tabplay_tilde_class, (t_method)tabplay_tilde_set,
+        gensym("set"), A_DEFSYM, 0);
+    class_addlist(tabplay_tilde_class, tabplay_tilde_list);
+}