From 577ac6e80ff4f436fbd054291ed7dddbc31bd49a Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Tue, 18 May 2004 21:33:33 +0000 Subject: This commit was generated by cvs2svn to compensate for changes in r1738, which included commits to RCS files with non-trunk default branches. svn path=/trunk/externals/iemlib/; revision=1739 --- src/iem_t3_lib/t3_bpe.c | 142 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 142 insertions(+) create mode 100644 src/iem_t3_lib/t3_bpe.c (limited to 'src/iem_t3_lib/t3_bpe.c') diff --git a/src/iem_t3_lib/t3_bpe.c b/src/iem_t3_lib/t3_bpe.c new file mode 100644 index 0000000..6a2dbe0 --- /dev/null +++ b/src/iem_t3_lib/t3_bpe.c @@ -0,0 +1,142 @@ +/* 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 Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2003 */ + +#ifdef NT +#pragma warning( disable : 4244 ) +#pragma warning( disable : 4305 ) +#endif + +#include "m_pd.h" +#include "iemlib.h" +#include +#include +#include + +/* ------------------------ 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; + 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, (float)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; ix_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")); +} + -- cgit v1.2.1