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authormusil <tmusil@users.sourceforge.net>2006-12-09 02:00:52 +0000
committermusil <tmusil@users.sourceforge.net>2006-12-09 02:00:52 +0000
commitd6b088044e161a27d49df537bbb6d998a8d0e50d (patch)
tree1a1b3a30e994767f4ef97b90194782258f2baa8a /iem_t3_lib/src/t3_bpe.c
parent32dc0c0deb13ce57f099f616ddc427296970d8a5 (diff)
// class_sethelpsymbol();
changed help-*.pd to *-help.pd chanded file structure to standard 1st step remove old svn path=/trunk/externals/iemlib/; revision=6756
Diffstat (limited to 'iem_t3_lib/src/t3_bpe.c')
-rw-r--r--iem_t3_lib/src/t3_bpe.c133
1 files changed, 133 insertions, 0 deletions
diff --git a/iem_t3_lib/src/t3_bpe.c b/iem_t3_lib/src/t3_bpe.c
new file mode 100644
index 0000000..dbd140a
--- /dev/null
+++ b/iem_t3_lib/src/t3_bpe.c
@@ -0,0 +1,133 @@
+/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
+
+iem_t3_lib written by Gerhard Eckel, Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
+
+#include "m_pd.h"
+#include "iemlib.h"
+
+/* ------------------------ t3_bpe ---------------------------- */
+static t_class *t3_bpe_class;
+
+typedef struct _t3_bpe
+{
+ t_object x_obj;
+ t_atom x_at[2];
+ t_clock *x_clock;
+ int x_maxnum;
+ int x_curnum;
+ int x_curindex;
+ t_atom *x_beg;
+ double x_t3_bang;
+ double x_ticks2ms;
+ int x_hit;
+ void *x_out_val;
+ void *x_out_time;
+ void *x_out_finished;
+} t_t3_bpe;
+
+static void t3_bpe_stop(t_t3_bpe *x)
+{
+ clock_unset(x->x_clock);
+}
+
+static void t3_bpe_tick(t_t3_bpe *x)
+{
+ t_atom *vec = x->x_beg;
+ t_float val;
+ double dticks, time;
+ int iticks;
+
+ if(x->x_curindex >= x->x_curnum)
+ {
+ t3_bpe_stop(x);
+ outlet_float(x->x_out_finished, x->x_t3_bang);
+ }
+ else
+ {
+ x->x_hit = 0;
+ vec += x->x_curindex;
+ val = atom_getfloat(vec++);
+ time = (double)atom_getfloat(vec);
+ outlet_float(x->x_out_time, time);
+ x->x_at[1].a_w.w_float = val;
+ x->x_at[0].a_w.w_float = x->x_t3_bang;
+ outlet_list(x->x_obj.ob_outlet, &s_list, 2, x->x_at);
+ dticks = (time + x->x_t3_bang)/x->x_ticks2ms;
+ iticks = (int)dticks;
+ x->x_t3_bang = (dticks - (double)iticks)*x->x_ticks2ms;
+ if(!x->x_hit)
+ clock_delay(x->x_clock, (double)iticks*x->x_ticks2ms);
+ x->x_curindex += 2;
+ }
+}
+
+static void t3_bpe_float(t_t3_bpe *x, t_floatarg f)
+{
+ double dticks;
+ int iticks;
+
+ if(x->x_curnum)
+ {
+ x->x_curindex = 0;
+ dticks = (double)f/x->x_ticks2ms;
+ iticks = (int)dticks;
+ x->x_t3_bang = (dticks - (double)iticks)*x->x_ticks2ms;
+ clock_delay(x->x_clock, (double)iticks*x->x_ticks2ms);
+ x->x_hit = 1;
+ }
+}
+
+static void t3_bpe_list(t_t3_bpe *x, t_symbol *s, int ac, t_atom *av)
+{
+ int n = ac & 0xfffffffe, i;
+ t_atom *vec = x->x_beg;
+ if(n > x->x_maxnum)
+ {
+ freebytes(x->x_beg, x->x_maxnum*sizeof(t_atom));
+ x->x_maxnum = 2 + n;
+ x->x_beg = (t_atom *)getbytes(x->x_maxnum*sizeof(t_atom));
+ vec = x->x_beg;
+ }
+ x->x_curnum = n;
+ for(i=0; i<n; i++)
+ {
+ *vec++ = *av++;
+ }
+}
+
+static void t3_bpe_free(t_t3_bpe *x)
+{
+ freebytes(x->x_beg, x->x_maxnum*sizeof(t_atom));
+ clock_free(x->x_clock);
+}
+
+static void *t3_bpe_new(void)
+{
+ t_t3_bpe *x = (t_t3_bpe *)pd_new(t3_bpe_class);
+
+ x->x_t3_bang = 0.0;
+ x->x_ticks2ms = 1000.0*(double)sys_getblksize()/(double)sys_getsr();
+ x->x_curindex = 0;
+ x->x_maxnum = 20;
+ x->x_curnum = 0;
+ x->x_hit = 0;
+ x->x_beg = (t_atom *)getbytes(x->x_maxnum*sizeof(t_atom));
+ x->x_clock = clock_new(x, (t_method)t3_bpe_tick);
+ outlet_new(&x->x_obj, &s_list);
+ x->x_out_time = outlet_new(&x->x_obj, &s_float);
+ x->x_out_finished = outlet_new(&x->x_obj, &s_float);
+ x->x_at[0].a_type = A_FLOAT;
+ x->x_at[1].a_type = A_FLOAT;
+ return (x);
+}
+
+void t3_bpe_setup(void)
+{
+ t3_bpe_class = class_new(gensym("t3_bpe"), (t_newmethod)t3_bpe_new,
+ (t_method)t3_bpe_free, sizeof(t_t3_bpe), 0, 0);
+ class_addmethod(t3_bpe_class, (t_method)t3_bpe_stop, gensym("stop"), 0);
+ class_addfloat(t3_bpe_class, (t_method)t3_bpe_float);
+ class_addlist(t3_bpe_class, (t_method)t3_bpe_list);
+// class_sethelpsymbol(t3_bpe_class, gensym("iemhelp/help-t3_bpe"));
+}