+++ /dev/null
-/**
- *
- * a puredata wrapper for aubio tempo detection functions
- *
- * Thanks to Johannes M Zmolnig for writing the excellent HOWTO:
- * http://iem.kug.ac.at/pd/externals-HOWTO/
- *
- * */
-
-#include <m_pd.h>
-#include <aubio/aubio.h>
-
-char aubiotempo_version[] = "aubiotempo~ version " PACKAGE_VERSION;
-
-static t_class *aubiotempo_tilde_class;
-
-void aubiotempo_tilde_setup (void);
-
-typedef struct _aubiotempo_tilde
-{
- t_object x_obj;
- t_float threshold;
- t_float silence;
- t_int pos; /*frames%dspblocksize*/
- t_int bufsize;
- t_int hopsize;
- aubio_tempo_t * t;
- fvec_t *vec;
- fvec_t *output;
- t_outlet *tempobang;
- t_outlet *onsetbang;
-} t_aubiotempo_tilde;
-
-static t_int *aubiotempo_tilde_perform(t_int *w)
-{
- t_aubiotempo_tilde *x = (t_aubiotempo_tilde *)(w[1]);
- t_sample *in = (t_sample *)(w[2]);
- int n = (int)(w[3]);
- int j;
- for (j=0;j<n;j++) {
- /* write input to datanew */
- fvec_set_sample(x->vec, in[j], x->pos);
- /*time for fft*/
- if (x->pos == x->hopsize-1) {
- /* block loop */
- aubio_tempo_do (x->t, x->vec, x->output);
- if (x->output->data[0]) {
- outlet_bang(x->tempobang);
- }
- if (x->output->data[1]) {
- outlet_bang(x->onsetbang);
- }
- /* end of block loop */
- x->pos = -1; /* so it will be zero next j loop */
- }
- x->pos++;
- }
- return (w+4);
-}
-
-static void aubiotempo_tilde_dsp(t_aubiotempo_tilde *x, t_signal **sp)
-{
- dsp_add(aubiotempo_tilde_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
-}
-
-static void aubiotempo_tilde_debug(t_aubiotempo_tilde *x)
-{
- post("aubiotempo~ bufsize:\t%d", x->bufsize);
- post("aubiotempo~ hopsize:\t%d", x->hopsize);
- post("aubiotempo~ threshold:\t%f", x->threshold);
- post("aubiotempo~ audio in:\t%f", x->vec->data[0]);
-}
-
-static void *aubiotempo_tilde_new (t_floatarg f)
-{
- t_aubiotempo_tilde *x =
- (t_aubiotempo_tilde *)pd_new(aubiotempo_tilde_class);
-
- x->threshold = (f < 1e-5) ? 0.1 : (f > 10.) ? 10. : f;
- x->silence = -70.;
- /* should get from block~ size */
- x->bufsize = 1024;
- x->hopsize = x->bufsize / 2;
-
- x->t = new_aubio_tempo ("specdiff", x->bufsize, x->hopsize,
- (uint_t) sys_getsr ());
- aubio_tempo_set_silence(x->t,x->silence);
- aubio_tempo_set_threshold(x->t,x->threshold);
- x->output = (fvec_t *)new_fvec(2);
- x->vec = (fvec_t *)new_fvec(x->hopsize);
-
- floatinlet_new (&x->x_obj, &x->threshold);
- x->tempobang = outlet_new (&x->x_obj, &s_bang);
- x->onsetbang = outlet_new (&x->x_obj, &s_bang);
- post(aubiotempo_version);
- return (void *)x;
-}
-
-static void *aubiotempo_tilde_del(t_aubiotempo_tilde *x)
-{
- if(x->t) del_aubio_tempo(x->t);
- if(x->output) del_fvec(x->output);
- if(x->vec) del_fvec(x->vec);
- return 0;
-}
-
-void aubiotempo_tilde_setup (void)
-{
- aubiotempo_tilde_class = class_new (gensym ("aubiotempo~"),
- (t_newmethod)aubiotempo_tilde_new,
- (t_method)aubiotempo_tilde_del,
- sizeof (t_aubiotempo_tilde),
- CLASS_DEFAULT, A_DEFFLOAT, 0);
- class_addmethod(aubiotempo_tilde_class,
- (t_method)aubiotempo_tilde_dsp,
- gensym("dsp"), 0);
- class_addmethod(aubiotempo_tilde_class,
- (t_method)aubiotempo_tilde_debug,
- gensym("debug"), 0);
- CLASS_MAINSIGNALIN(aubiotempo_tilde_class,
- t_aubiotempo_tilde, threshold);
-}