1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320
|
#include "MSPd.h"
#define MAX_CHANS (64)
#define CS_LINEAR (0)
#define CS_POWER (1)
#if __PD__
static t_class *clean_selector_class;
#endif
#if __MSP__
void *clean_selector_class;
#endif
typedef struct _clean_selector
{
#if __MSP__
t_pxobject x_obj;
#endif
#if __PD__
t_object x_obj;
float x_f;
#endif
// Variables Here
short input_chans;
short active_chan;
short last_chan;
int samps_to_fade;
int fadesamps;
float fadetime;
float pi_over_two;
short fadetype;
short *connected_list;
float **bulk ; // array to point to all input audio channels
float sr;
float vs;
int inlet_count;
} t_clean_selector;
#define OBJECT_NAME "clean_selector~"
void *clean_selector_new(t_symbol *s, int argc, t_atom *argv);
t_int *clean_selector_perform(t_int *w);
void clean_selector_dsp(t_clean_selector *x, t_signal **sp, short *count);
void clean_selector_assist(t_clean_selector *x, void *b, long m, long a, char *s);
void clean_selector_float(t_clean_selector *x, t_float f);
void clean_selector_fadetime(t_clean_selector *x, t_floatarg f);
void clean_selector_int(t_clean_selector *x, t_int i);
void clean_selector_channel(t_clean_selector *x, t_floatarg i);
void clean_selector_dsp_free(t_clean_selector *x);
#if __MSP__
void main(void)
{
setup((t_messlist **)&clean_selector_class, (method)clean_selector_new, (method)dsp_free,
(short)sizeof(t_clean_selector), 0, A_GIMME, 0);
addmess((method)clean_selector_dsp, "dsp", A_CANT, 0);
addmess((method)clean_selector_assist,"assist",A_CANT,0);
addmess((method)clean_selector_fadetime,"fadetime",A_FLOAT,0);
addmess((method)clean_selector_channel,"channel",A_FLOAT,0);
addfloat((method)clean_selector_float);
addint((method)clean_selector_int);
dsp_initclass();
post("%s %s",OBJECT_NAME, LYONPOTPOURRI_MSG);
}
#endif
#if __PD__
void clean_selector_tilde_setup(void) {
clean_selector_class = class_new(gensym("clean_selector~"), (t_newmethod)clean_selector_new,
(t_method)clean_selector_dsp_free,sizeof(t_clean_selector), 0,A_GIMME,0);
CLASS_MAINSIGNALIN(clean_selector_class, t_clean_selector, x_f);
class_addmethod(clean_selector_class,(t_method)clean_selector_dsp,gensym("dsp"),0);
class_addmethod(clean_selector_class,(t_method)clean_selector_fadetime,gensym("fadetime"),A_FLOAT,0);
class_addmethod(clean_selector_class,(t_method)clean_selector_channel,gensym("channel"),A_FLOAT,0);
post("%s %s",OBJECT_NAME, LYONPOTPOURRI_MSG);
}
#endif
void clean_selector_assist (t_clean_selector *x, void *b, long msg, long arg, char *dst)
{
if (msg==1) {
if(arg == 0){
sprintf(dst,"(signal/int) Input 0, Channel Number");
} else {
sprintf(dst,"(signal) Input %ld",arg);
}
} else if (msg==2) {
sprintf(dst,"(signal) Output");
}
}
void *clean_selector_new(t_symbol *s, int argc, t_atom *argv)
{
int i;
t_clean_selector *x;
#if __MSP__
x = (t_clean_selector *)newobject(clean_selector_class);
#endif
#if __PD__
x = (t_clean_selector *)pd_new(clean_selector_class);
#endif
x->fadetime = 0.05;
x->inlet_count = 8;
if(argc >= 1){
x->inlet_count = (int)atom_getfloatarg(0,argc,argv);
if(x->inlet_count < 2 || x->inlet_count > MAX_CHANS){
error("%s: %d is illegal number of inlets",OBJECT_NAME,x->inlet_count);
return (void *) NULL;
}
}
if(argc >= 2){
x->fadetime = atom_getfloatarg(1,argc,argv) / 1000.0;
}
// post("argc %d inlet count %d fadetime %f",argc, x->inlet_count, x->fadetime);
#if __MSP__
dsp_setup((t_pxobject *)x, x->inlet_count);
outlet_new((t_pxobject *)x, "signal");
x->x_obj.z_misc |= Z_NO_INPLACE;
#endif
#if __PD__
for(i=0; i< x->inlet_count - 1; i++){// create 16 inlets in total
inlet_new(&x->x_obj, &x->x_obj.ob_pd,gensym("signal"), gensym("signal"));
}
outlet_new(&x->x_obj, gensym("signal"));
#endif
x->sr = sys_getsr();
if(!x->sr){
x->sr = 44100.0;
error("zero sampling rate - set to 44100");
}
x->fadetype = CS_POWER;
x->pi_over_two = 1.57079632679;
if(x->fadetime <= 0.0)
x->fadetime = .05;
x->fadesamps = x->fadetime * x->sr;
x->connected_list = (short *) t_getbytes(MAX_CHANS * sizeof(short));
for(i=0;i<16;i++){
x->connected_list[i] = 0;
}
x->active_chan = x->last_chan = 0;
x->bulk = (t_float **) t_getbytes(16 * sizeof(t_float *));
x->samps_to_fade = 0;
return (x);
}
void clean_selector_dsp_free(t_clean_selector *x)
{
#if __MSP__
dsp_free((t_pxobject *)x);
#endif
t_freebytes(x->bulk, 16 * sizeof(t_float *));
}
void clean_selector_fadetime(t_clean_selector *x, t_floatarg f)
{
float fades = (float)f / 1000.0;
if( fades < .0001 || fades > 1000.0 ){
error("fade time is constrained to 0.1 - 1000000, but you wanted %f",f );
return;
}
x->fadetime = fades;
x->fadesamps = x->sr * x->fadetime;
x->samps_to_fade = 0;
}
t_int *clean_selector_perform(t_int *w)
{
t_clean_selector *x = (t_clean_selector *) (w[1]);
int i;
t_int n;
t_float *out;
int fadesamps = x->fadesamps;
short active_chan = x->active_chan;
short last_chan = x->last_chan;
int samps_to_fade = x->samps_to_fade;
float m1, m2;
float **bulk = x->bulk;
float pi_over_two = x->pi_over_two;
short fadetype = x->fadetype;
float phase;
int inlet_count = x->inlet_count;
for ( i = 0; i < inlet_count; i++ ) {
bulk[i] = (t_float *)(w[2 + i]);
}
out = (t_float *)(w[inlet_count + 2]);
n = w[inlet_count + 3];
/********************************************/
if ( active_chan >= 0 ) {
while( n-- ) {
if ( samps_to_fade >= 0 ) {
if( fadetype == CS_POWER ){
phase = pi_over_two * (1.0 - (samps_to_fade / (float) fadesamps)) ;
m1 = sin( phase );
m2 = cos( phase );
--samps_to_fade;
*out++ = (*(bulk[active_chan])++ * m1) + (*(bulk[last_chan])++ * m2);
}
}
else {
*out++ = *(bulk[active_chan])++;
}
}
}
else {
while( n-- ) {
*out++ = 0.0;
}
}
x->samps_to_fade = samps_to_fade;
return (w + (inlet_count + 4));
}
void clean_selector_dsp(t_clean_selector *x, t_signal **sp, short *count)
{
long i;
t_int **sigvec;
int pointer_count;
pointer_count = x->inlet_count + 3; // all inlets, 1 outlet, object pointer and vec-samps
sigvec = (t_int **) calloc(pointer_count, sizeof(t_int *));
for(i = 0; i < pointer_count; i++){
sigvec[i] = (t_int *) calloc(sizeof(t_int),1);
}
sigvec[0] = (t_int *)x; // first pointer is to the object
sigvec[pointer_count - 1] = (t_int *)sp[0]->s_n; // last pointer is to vector size (N)
for(i = 1; i < pointer_count - 1; i++){ // now attach the inlet and all outlets
sigvec[i] = (t_int *)sp[i-1]->s_vec;
}
if(x->sr != sp[0]->s_sr){
x->sr = sp[0]->s_sr;
x->fadesamps = x->fadetime * x->sr;
x->samps_to_fade = 0;
}
#if __MSP__
dsp_addv(clean_selector_perform, pointer_count, (void **) sigvec);
#endif
#if __PD__
dsp_addv(clean_selector_perform, pointer_count, (t_int *) sigvec);
#endif
free(sigvec);
#if __MSP__
for (i = 0; i < MAX_CHANS; i++) {
x->connected_list[i] = count[i];
}
#endif
#if __PD__
for (i = 0; i < MAX_CHANS; i++) {
x->connected_list[i] = 1;
}
#endif
}
#if __MSP__
void clean_selector_float(t_clean_selector *x, t_float f) // Look at floats at inlets
{
clean_selector_int(x,(t_int)f);
}
void clean_selector_int(t_clean_selector *x, t_int i) // Look at int at inlets
{
int inlet = ((t_pxobject*)x)->z_in;
if (inlet == 0)
{
clean_selector_channel(x,(t_floatarg)i);
}
}
#endif
void clean_selector_channel(t_clean_selector *x, t_floatarg i) // Look at int at inlets
{
int chan = i;
if(chan < 0 || chan > x->inlet_count - 1){
post("%s: channel %d out of range",OBJECT_NAME, chan);
return;
}
if(chan != x->active_chan) {
x->last_chan = x->active_chan;
x->active_chan = chan;
x->samps_to_fade = x->fadesamps;
if( x->active_chan < 0)
x->active_chan = 0;
if( x->active_chan > MAX_CHANS - 1) {
x->active_chan = MAX_CHANS - 1;
}
if(! x->connected_list[chan]) {
// do it anyway - it's user-stupidity
/*
post("warning: channel %d not connected",chan);
x->active_chan = 1; */
}
// post("last: %d active %d", x->last_chan, x->active_chan);
}
}
|