--- /dev/null
+
+#include <m_pd.h>
+
+char aubio_version[] = "aubio external for pd, version 0.2";
+
+static t_class *aubio_class;
+
+typedef struct aubio
+{
+ t_object x_ob;
+} t_aubio;
+
+void *aubio_new (void);
+void aubio_setup (void);
+extern void aubioonset_tilde_setup (void);
+extern void aubiotempo_tilde_setup (void);
+extern void aubiotss_tilde_setup (void);
+extern void aubioquiet_tilde_setup (void);
+extern void aubiopitch_tilde_setup (void);
+extern void aubiozcr_tilde_setup (void);
+
+void *aubio_new (void)
+{
+ t_aubio *x = (t_aubio *)pd_new(aubio_class);
+ return (void *)x;
+}
+
+void aubio_setup (void)
+{
+ post(aubio_version);
+ aubioonset_tilde_setup();
+ aubiotempo_tilde_setup();
+ aubiotss_tilde_setup();
+ aubioquiet_tilde_setup();
+ aubiopitch_tilde_setup();
+ aubiozcr_tilde_setup();
+ aubio_class = class_new(gensym("aubio"), (t_newmethod)aubio_new, 0,
+ sizeof(t_aubio), 0, 0);
+}
--- /dev/null
+/**
+ *
+ * a puredata wrapper for aubio onset 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 aubioonset_version[] = "aubioonset~ version 0.3";
+
+static t_class *aubioonset_tilde_class;
+
+void aubioonset_tilde_setup (void);
+
+typedef struct _aubioonset_tilde
+{
+ t_object x_obj;
+ t_float threshold;
+ t_int pos; /*frames%dspblocksize */
+ t_int bufsize;
+ t_int hopsize;
+ aubio_onset_t *o;
+ fvec_t *in;
+ fvec_t *out;
+ t_outlet *onsetbang;
+} t_aubioonset_tilde;
+
+static t_int *
+aubioonset_tilde_perform (t_int * w)
+{
+ t_aubioonset_tilde *x = (t_aubioonset_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_write_sample (x->in, in[j], 0, x->pos);
+ /*time to do something */
+ if (x->pos == x->hopsize - 1) {
+ /* block loop */
+ aubio_onset_do (x->o, x->in, x->out);
+ if (fvec_read_sample (x->out, 0, 0) > 0.) {
+ 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
+aubioonset_tilde_dsp (t_aubioonset_tilde * x, t_signal ** sp)
+{
+ dsp_add (aubioonset_tilde_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
+}
+
+static void
+aubioonset_tilde_debug (t_aubioonset_tilde * x)
+{
+ post ("aubioonset~ bufsize:\t%d", x->bufsize);
+ post ("aubioonset~ hopsize:\t%d", x->hopsize);
+ post ("aubioonset~ threshold:\t%f", x->threshold);
+ post ("aubioonset~ audio in:\t%f", x->in->data[0][0]);
+ post ("aubioonset~ onset:\t%f", x->out->data[0][0]);
+}
+
+static void *
+aubioonset_tilde_new (t_floatarg f)
+{
+ t_aubioonset_tilde *x =
+ (t_aubioonset_tilde *) pd_new (aubioonset_tilde_class);
+
+ x->threshold = (f < 1e-5) ? 0.1 : (f > 10.) ? 10. : f;
+ x->bufsize = 1024;
+ x->hopsize = x->bufsize / 2;
+
+ x->o = new_aubio_onset ("complex",
+ x->bufsize, x->hopsize, 1, (uint_t) sys_getsr ());
+ x->in = (fvec_t *) new_fvec (x->hopsize, 1);
+ x->out = (fvec_t *) new_fvec (1, 1);
+
+ floatinlet_new (&x->x_obj, &x->threshold);
+ x->onsetbang = outlet_new (&x->x_obj, &s_bang);
+ post (aubioonset_version);
+ return (void *) x;
+}
+
+void
+aubioonset_tilde_setup (void)
+{
+ aubioonset_tilde_class = class_new (gensym ("aubioonset~"),
+ (t_newmethod) aubioonset_tilde_new,
+ 0, sizeof (t_aubioonset_tilde), CLASS_DEFAULT, A_DEFFLOAT, 0);
+ class_addmethod (aubioonset_tilde_class,
+ (t_method) aubioonset_tilde_dsp, gensym ("dsp"), 0);
+ class_addmethod (aubioonset_tilde_class,
+ (t_method) aubioonset_tilde_debug, gensym ("debug"), 0);
+ CLASS_MAINSIGNALIN (aubioonset_tilde_class, t_aubioonset_tilde, threshold);
+}
--- /dev/null
+/**
+ *
+ * a puredata wrapper for aubio pitch 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>
+#include <string.h>
+
+char aubiopitch_version[] = "aubiopitch~ version 0.1";
+
+static t_class *aubiopitch_tilde_class;
+
+void aubiopitch_tilde_setup (void);
+
+typedef struct _aubiopitch_tilde
+{
+ t_object x_obj;
+ t_float threshold;
+ t_float threshold2;
+ t_int pos; /*frames%dspblocksize*/
+ t_int bufsize;
+ t_int hopsize;
+ aubio_pitch_t *o;
+ fvec_t *vec;
+ fvec_t *pitchvec;
+ t_outlet *pitch;
+} t_aubiopitch_tilde;
+
+static t_int *aubiopitch_tilde_perform(t_int *w)
+{
+ t_aubiopitch_tilde *x = (t_aubiopitch_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_write_sample(x->vec, in[j], 0, x->pos);
+ /*time for fft*/
+ if (x->pos == x->hopsize-1) {
+ /* block loop */
+ aubio_pitch_do(x->o,x->vec, x->pitchvec);
+ outlet_float(x->pitch, x->pitchvec->data[0][0]);
+ /* end of block loop */
+ x->pos = -1; /* so it will be zero next j loop */
+ }
+ x->pos++;
+ }
+ return (w+4);
+}
+
+static void aubiopitch_tilde_dsp(t_aubiopitch_tilde *x, t_signal **sp)
+{
+ dsp_add(aubiopitch_tilde_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
+}
+
+static void aubiopitch_tilde_debug(t_aubiopitch_tilde *x)
+{
+ post("aubiopitch~ bufsize:\t%d", x->bufsize);
+ post("aubiopitch~ hopsize:\t%d", x->hopsize);
+ post("aubiopitch~ threshold:\t%f", x->threshold);
+ post("aubiopitch~ audio in:\t%f", x->vec->data[0][0]);
+}
+
+//static void *aubiopitch_tilde_new (t_floatarg f)
+static void *aubiopitch_tilde_new (t_symbol * s)
+{
+ t_aubiopitch_tilde *x =
+ (t_aubiopitch_tilde *)pd_new(aubiopitch_tilde_class);
+
+ x->bufsize = 2048;
+ x->hopsize = x->bufsize / 2;
+
+ //FIXME: get the real samplerate
+ x->o = new_aubio_pitch(s->s_name, x->bufsize,
+ x->hopsize, 1, 44100.);
+ aubio_pitch_set_tolerance (x->o, 0.7);
+ x->vec = (fvec_t *)new_fvec(x->hopsize,1);
+ x->pitchvec = (fvec_t *)new_fvec(1,1);
+
+ //floatinlet_new (&x->x_obj, &x->threshold);
+ x->pitch = outlet_new (&x->x_obj, &s_float);
+
+ post(aubiopitch_version);
+ return (void *)x;
+}
+
+static void *aubiopitch_tilde_del(t_aubiopitch_tilde *x)
+{
+ del_aubio_pitch(x->o);
+ del_fvec(x->vec);
+ del_fvec(x->pitchvec);
+ return 0;
+}
+
+void aubiopitch_tilde_setup (void)
+{
+ aubiopitch_tilde_class = class_new (gensym ("aubiopitch~"),
+ (t_newmethod)aubiopitch_tilde_new,
+ (t_method)aubiopitch_tilde_del,
+ sizeof (t_aubiopitch_tilde),
+ CLASS_DEFAULT, A_DEFSYMBOL, 0);
+ class_addmethod(aubiopitch_tilde_class,
+ (t_method)aubiopitch_tilde_dsp,
+ gensym("dsp"), 0);
+ class_addmethod(aubiopitch_tilde_class,
+ (t_method)aubiopitch_tilde_debug,
+ gensym("debug"), 0);
+ CLASS_MAINSIGNALIN(aubiopitch_tilde_class,
+ t_aubiopitch_tilde, threshold);
+}
+
--- /dev/null
+/**
+ *
+ * a puredata wrapper for aubioquiet
+ *
+ * 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 aubioquiet_version[] = "aubioquiet~ version 0.1";
+
+static t_class *aubioquiet_tilde_class;
+
+void aubioquiet_tilde_setup (void);
+
+typedef struct _aubioquiet_tilde
+{
+ t_object x_obj;
+ t_float threshold;
+ t_int pos; /*frames%dspblocksize*/
+ t_int bufsize;
+ t_int hopsize;
+ t_int wassilence;
+ t_int issilence;
+ fvec_t *vec;
+ t_outlet *quietbang;
+ t_outlet *noisybang;
+} t_aubioquiet_tilde;
+
+static t_int *aubioquiet_tilde_perform(t_int *w)
+{
+ t_aubioquiet_tilde *x = (t_aubioquiet_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_write_sample(x->vec, in[j], 0, x->pos);
+ /*time for fft*/
+ if (x->pos == x->hopsize-1) {
+ /* block loop */
+ if (aubio_silence_detection(x->vec, x->threshold)==1) {
+ if (x->wassilence==1) {
+ x->issilence = 1;
+ } else {
+ x->issilence = 2;
+ outlet_bang(x->quietbang);
+ }
+ x->wassilence=1;
+ } else {
+ if (x->wassilence<=0) {
+ x->issilence = 0;
+ } else {
+ x->issilence = -1;
+ outlet_bang(x->noisybang);
+ }
+ x->wassilence=0;
+ }
+ /* end of block loop */
+ x->pos = -1; /* so it will be zero next j loop */
+ }
+ x->pos++;
+ }
+ return (w+4);
+}
+
+static void aubioquiet_tilde_dsp(t_aubioquiet_tilde *x, t_signal **sp)
+{
+ dsp_add(aubioquiet_tilde_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
+}
+
+static void aubioquiet_tilde_debug(t_aubioquiet_tilde *x)
+{
+ post("aubioquiet~ bufsize:\t%d", x->bufsize);
+ post("aubioquiet~ hopsize:\t%d", x->hopsize);
+ post("aubioquiet~ threshold:\t%f", x->threshold);
+ post("aubioquiet~ audio in:\t%f", x->vec->data[0][0]);
+}
+
+static void *aubioquiet_tilde_new (t_floatarg f)
+{
+ t_aubioquiet_tilde *x =
+ (t_aubioquiet_tilde *)pd_new(aubioquiet_tilde_class);
+
+ x->threshold = (f < -1000.) ? -70 : (f >= 0.) ? -70. : f;
+ x->bufsize = 1024;
+ x->hopsize = x->bufsize / 2;
+
+ x->vec = (fvec_t *)new_fvec(x->hopsize,1);
+ x->wassilence = 1;
+
+ floatinlet_new (&x->x_obj, &x->threshold);
+ x->quietbang = outlet_new (&x->x_obj, &s_bang);
+ x->noisybang = outlet_new (&x->x_obj, &s_bang);
+ post(aubioquiet_version);
+ return (void *)x;
+}
+
+void aubioquiet_tilde_setup (void)
+{
+ aubioquiet_tilde_class = class_new (gensym ("aubioquiet~"),
+ (t_newmethod)aubioquiet_tilde_new,
+ 0, sizeof (t_aubioquiet_tilde),
+ CLASS_DEFAULT, A_DEFFLOAT, 0);
+ class_addmethod(aubioquiet_tilde_class,
+ (t_method)aubioquiet_tilde_dsp,
+ gensym("dsp"), 0);
+ class_addmethod(aubioquiet_tilde_class,
+ (t_method)aubioquiet_tilde_debug,
+ gensym("debug"), 0);
+ CLASS_MAINSIGNALIN(aubioquiet_tilde_class,
+ t_aubioquiet_tilde, threshold);
+}
+
--- /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 0.2";
+
+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_write_sample(x->vec, in[j], 0, 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][0]) {
+ outlet_bang(x->tempobang);
+ }
+ if (x->output->data[0][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][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 ("complex", x->bufsize, x->hopsize, 1,
+ (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(2,1);
+ x->vec = (fvec_t *)new_fvec(x->hopsize,1);
+
+ 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);
+}
+
--- /dev/null
+/**
+ *
+ * a puredata wrapper for aubio tss detection functions
+ *
+ * Thanks to Johannes M Zmolnig for writing the excellent HOWTO:
+ * http://iem.kug.ac.at/pd/externals-HOWTO/
+ *
+ * */
+
+#include <m_pd.h>
+#define AUBIO_UNSTABLE 1
+#include <aubio/aubio.h>
+
+char aubiotss_version[] = "aubiotss~ version 0.1";
+
+static t_class *aubiotss_tilde_class;
+
+void aubiotss_tilde_setup (void);
+
+typedef struct _aubiotss_tilde
+{
+ t_object x_obj;
+ t_float thres;
+ t_int pos; /*frames%dspblocksize*/
+ t_int bufsize;
+ t_int hopsize;
+ aubio_pvoc_t * pv;
+ aubio_pvoc_t * pvt;
+ aubio_pvoc_t * pvs;
+ aubio_tss_t * tss;
+ fvec_t *vec;
+ cvec_t *fftgrain;
+ cvec_t *cstead;
+ cvec_t *ctrans;
+ fvec_t *trans;
+ fvec_t *stead;
+} t_aubiotss_tilde;
+
+static t_int *aubiotss_tilde_perform(t_int *w)
+{
+ t_aubiotss_tilde *x = (t_aubiotss_tilde *)(w[1]);
+ t_sample *in = (t_sample *)(w[2]);
+ t_sample *outtrans = (t_sample *)(w[3]);
+ t_sample *outstead = (t_sample *)(w[4]);
+ int n = (int)(w[5]);
+ int j;
+ for (j=0;j<n;j++) {
+ /* write input to datanew */
+ fvec_write_sample(x->vec, in[j], 0, x->pos);
+ /*time for fft*/
+ if (x->pos == x->hopsize-1) {
+ /* block loop */
+ /* test for silence */
+ //if (!aubio_silence_detection(x->vec, x->threshold2))
+ aubio_pvoc_do (x->pv, x->vec, x->fftgrain);
+ aubio_tss_set_threshold ( x->tss, x->thres);
+ aubio_tss_do (x->tss, x->fftgrain, x->ctrans, x->cstead);
+ aubio_pvoc_rdo (x->pvt, x->ctrans, x->trans);
+ aubio_pvoc_rdo (x->pvs, x->cstead, x->stead);
+ //}
+ /* end of block loop */
+ x->pos = -1; /* so it will be zero next j loop */
+ }
+ x->pos++;
+ *outtrans++ = x->trans->data[0][x->pos];
+ *outstead++ = x->stead->data[0][x->pos];
+ }
+ return (w+6);
+}
+
+static void aubiotss_tilde_dsp(t_aubiotss_tilde *x, t_signal **sp)
+{
+ dsp_add(aubiotss_tilde_perform, 5, x,
+ sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, sp[0]->s_n);
+}
+
+static void aubiotss_tilde_debug(t_aubiotss_tilde *x)
+{
+ post("aubiotss~ bufsize:\t%d", x->bufsize);
+ post("aubiotss~ hopsize:\t%d", x->hopsize);
+ post("aubiotss~ threshold:\t%f", x->thres);
+ post("aubiotss~ audio in:\t%f", x->vec->data[0][0]);
+ post("aubiotss~ audio out:\t%f", x->stead->data[0][0]);
+}
+
+static void *aubiotss_tilde_new (t_floatarg f)
+ //, t_floatarg bufsize)
+{
+ t_aubiotss_tilde *x =
+ (t_aubiotss_tilde *)pd_new(aubiotss_tilde_class);
+
+ x->thres = (f < 1e-5) ? 0.01 : (f > 1.) ? 1. : f;
+ x->bufsize = 1024; //(bufsize < 64) ? 1024: (bufsize > 16385) ? 16385: bufsize;
+ x->hopsize = x->bufsize / 4;
+
+ x->vec = (fvec_t *)new_fvec(x->hopsize,1);
+
+ x->fftgrain = (cvec_t *)new_cvec(x->bufsize,1);
+ x->ctrans = (cvec_t *)new_cvec(x->bufsize,1);
+ x->cstead = (cvec_t *)new_cvec(x->bufsize,1);
+
+ x->trans = (fvec_t *)new_fvec(x->hopsize,1);
+ x->stead = (fvec_t *)new_fvec(x->hopsize,1);
+
+ x->pv = (aubio_pvoc_t *)new_aubio_pvoc(x->bufsize, x->hopsize, 1);
+ x->pvt = (aubio_pvoc_t *)new_aubio_pvoc(x->bufsize, x->hopsize, 1);
+ x->pvs = (aubio_pvoc_t *)new_aubio_pvoc(x->bufsize, x->hopsize, 1);
+
+ x->tss = (aubio_tss_t *)new_aubio_tss(x->bufsize, x->hopsize, 1);
+
+ floatinlet_new (&x->x_obj, &x->thres);
+ outlet_new(&x->x_obj, gensym("signal"));
+ outlet_new(&x->x_obj, gensym("signal"));
+ post(aubiotss_version);
+ return (void *)x;
+}
+
+void aubiotss_tilde_setup (void)
+{
+ aubiotss_tilde_class = class_new (gensym ("aubiotss~"),
+ (t_newmethod)aubiotss_tilde_new,
+ 0, sizeof (t_aubiotss_tilde),
+ CLASS_DEFAULT, A_DEFFLOAT, 0);
+ class_addmethod(aubiotss_tilde_class,
+ (t_method)aubiotss_tilde_dsp,
+ gensym("dsp"), 0);
+ class_addmethod(aubiotss_tilde_class,
+ (t_method)aubiotss_tilde_debug,
+ gensym("debug"), 0);
+ CLASS_MAINSIGNALIN(aubiotss_tilde_class,
+ t_aubiotss_tilde, thres);
+}
--- /dev/null
+
+/**
+ *
+ * a puredata wrapper for aubio zero crossing rate function
+ *
+ * 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 aubiozcr_version[] = "aubiozcr~ version 0.1";
+
+static t_class *aubiozcr_tilde_class;
+
+void aubiozcr_tilde_setup (void);
+
+typedef struct _aubiozcr_tilde
+{
+ t_object x_obj;
+ t_int pos; /*frames%dspblocksize*/
+ t_int bufsize;
+ t_float f;
+ fvec_t *vec;
+ t_outlet *zcr;
+} t_aubiozcr_tilde;
+
+static t_int *aubiozcr_tilde_perform(t_int *w)
+{
+ t_aubiozcr_tilde *x = (t_aubiozcr_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_write_sample(x->vec, in[j], 0, x->pos);
+ /*time for fft*/
+ if (x->pos == x->bufsize-1) {
+ /* block loop */
+ outlet_float(x->zcr, aubio_zero_crossing_rate(x->vec));
+ /* end of block loop */
+ x->pos = -1; /* so it will be zero next j loop */
+ }
+ x->pos++;
+ }
+ return (w+4);
+}
+
+static void aubiozcr_tilde_dsp(t_aubiozcr_tilde *x, t_signal **sp)
+{
+ dsp_add(aubiozcr_tilde_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
+}
+
+static void aubiozcr_tilde_debug(t_aubiozcr_tilde *x)
+{
+ post("aubiozcr~ bufsize:\t%d", x->bufsize);
+ post("aubiozcr~ audio in:\t%f", x->vec->data[0][0]);
+}
+
+static void *aubiozcr_tilde_new (void)
+{
+ t_aubiozcr_tilde *x =
+ (t_aubiozcr_tilde *)pd_new(aubiozcr_tilde_class);
+
+ x->bufsize = 1024;
+
+ x->vec = (fvec_t *)new_fvec(x->bufsize,1);
+
+ x->zcr = outlet_new (&x->x_obj, &s_float);
+ post(aubiozcr_version);
+ return (void *)x;
+}
+
+void aubiozcr_tilde_setup (void)
+{
+ aubiozcr_tilde_class = class_new (gensym ("aubiozcr~"),
+ (t_newmethod)aubiozcr_tilde_new,
+ 0, sizeof (t_aubiozcr_tilde),
+ CLASS_DEFAULT, 0);
+ class_addmethod(aubiozcr_tilde_class,
+ (t_method)aubiozcr_tilde_dsp,
+ gensym("dsp"), 0);
+ class_addmethod(aubiozcr_tilde_class,
+ (t_method)aubiozcr_tilde_debug,
+ gensym("debug"), 0);
+ CLASS_MAINSIGNALIN(aubiozcr_tilde_class,
+ t_aubiozcr_tilde, f);
+}
+
--- /dev/null
+#N canvas 331 521 567 331 10;
+#X obj 23 8 adc~;
+#X obj 24 46 aubioonset~;
+#X obj 24 81 pdp_v4l;
+#X obj 24 116 pdp_xv;
+#X text 110 10 audio input;
+#X text 111 46 onset detection;
+#X text 113 82 video camera;
+#X text 113 121 video screen;
+#X connect 0 0 1 0;
+#X connect 0 1 1 0;
+#X connect 1 0 2 0;
+#X connect 2 0 3 0;
--- /dev/null
+#N canvas 245 501 672 291 10;
+#X obj 50 33 adc~;
+#X text 181 26 aubioonset~ takes an input signal and outputs a bang
+when an onset has been detected;
+#X text 180 64 this is somewhat similar to the bonk~ object \, except
+it should work on non-percussive attacks too.;
+#X obj 50 97 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X text 182 111 the creation argument and right input can be used to
+set the detection threshold. values between 0 and 10 are accepted.
+low values favorise over-detection. higher values will reduce the number
+of onset detected.;
+#X obj 50 65 aubioonset~ 0.3;
+#X floatatom 128 29 5 0 0 0 - - -;
+#X connect 0 0 5 0;
+#X connect 0 1 5 0;
+#X connect 5 0 3 0;
+#X connect 6 0 5 1;
--- /dev/null
+#N canvas 254 165 450 425 10;
+#X floatatom 126 230 5 0 0 0 - - -;
+#X obj 125 168 osc~ 440;
+#X obj 128 111 hsl 128 15 0 127 0 0 empty empty empty -2 -6 0 8 -262144
+-1 -1 8100 1;
+#X obj 125 131 mtof;
+#X floatatom 125 151 5 0 0 0 - - -;
+#X obj 141 200 aubiopitch~;
+#X obj 103 274 dac~;
+#X obj 126 250 osc~;
+#X connect 0 0 7 0;
+#X connect 1 0 5 0;
+#X connect 1 0 6 0;
+#X connect 2 0 3 0;
+#X connect 3 0 4 0;
+#X connect 4 0 1 0;
+#X connect 5 0 0 0;
+#X connect 7 0 6 1;
--- /dev/null
+#N canvas 225 643 515 246 10;
+#X obj 20 28 adc~;
+#X obj 19 192 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X obj 119 192 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X obj 19 156 aubioquiet~ -90;
+#X text 140 193 noisy;
+#X text 38 192 quiet;
+#X text 60 26 aubioquiet~ outputs bangs: - on its left input when a
+change to silence is detected - on its right output when a change to
+loudness is detected;
+#X text 59 82 object creation argument and right input can be used
+to set the noise threshold \, in dB. default value is -90;
+#X text 182 138 this object was written as an exercise and test. note
+that it could also easily be rewritten as a patch.;
+#X connect 0 0 3 0;
+#X connect 0 1 3 0;
+#X connect 3 0 1 0;
+#X connect 3 1 2 0;
--- /dev/null
+#N canvas 245 501 672 291 10;
+#X obj 50 33 adc~;
+#X obj 50 97 bng 15 250 50 0 empty empty empty 0 -6 0 8 -262144 -1
+-1;
+#X floatatom 128 29 5 0 0 0 - - -;
+#X text 180 71 the creation argument and right input can be used to
+set the detection threshold of the onset detection function. see the
+documentation for aubioonset~;
+#X obj 50 65 aubiotempo~ 0.3;
+#X text 181 26 aubiotempo~ takes an input signal and outputs a bang
+when at each detected beat location.;
+#X text 416 45;
+#X connect 0 0 4 0;
+#X connect 0 1 4 0;
+#X connect 2 0 4 1;
+#X connect 4 0 1 0;
--- /dev/null
+#N canvas 332 424 550 443 10;
+#X msg 173 64 debug;
+#X obj 138 11 adc~;
+#X obj 183 421 dac~;
+#X floatatom 244 74 5 0 0 0 - - -;
+#X obj 221 12 hsl 256 15 0 256 0 0 empty empty empty -2 -6 0 8 -262144
+-1 -1 25200 1;
+#X obj 167 182 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 1
+1;
+#X obj 267 185 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 1
+1;
+#X text 265 161 play steady states components;
+#X text 8 160 play transients;
+#X floatatom 10 226 5 0 0 0 - - -;
+#X obj 13 182 hsl 128 15 0 127 0 0 empty empty empty -2 -6 0 8 -262144
+-1 -1 11700 1;
+#X floatatom 285 225 5 0 0 0 - - -;
+#X obj 301 186 hsl 128 15 0 127 0 0 empty empty empty -2 -6 0 8 -262144
+-1 -1 4100 1;
+#X text 236 -1 separation threshold;
+#X obj 144 96 aubiotss~ 0.015;
+#X text 265 99 transient and steady state separation;
+#X obj 244 239 *~ 1;
+#X obj 244 267 *~ 1;
+#X obj 144 240 *~ 1;
+#X obj 144 265 *~ 1;
+#X obj 285 204 / 68;
+#X obj 10 203 / 68;
+#X obj 244 51 / 256;
+#X obj 172 350 *~;
+#X obj 222 334 *~;
+#X obj 199 219 tgl 15 0 empty empty empty 0 -6 0 8 -262144 -1 -1 0
+1;
+#X text 185 204 stereo;
+#X obj 311 139 aubiotss~ 0.015;
+#X obj 299 68 * -1;
+#X obj 353 63 + 1;
+#X floatatom 412 63 5 0 0 0 - - -;
+#X connect 0 0 14 0;
+#X connect 1 0 14 0;
+#X connect 1 0 27 0;
+#X connect 1 1 14 0;
+#X connect 1 1 27 0;
+#X connect 3 0 14 1;
+#X connect 3 0 28 0;
+#X connect 4 0 22 0;
+#X connect 5 0 19 1;
+#X connect 6 0 17 1;
+#X connect 9 0 18 1;
+#X connect 10 0 21 0;
+#X connect 11 0 16 1;
+#X connect 12 0 20 0;
+#X connect 14 0 18 0;
+#X connect 16 0 17 0;
+#X connect 17 0 2 1;
+#X connect 17 0 24 0;
+#X connect 18 0 19 0;
+#X connect 19 0 2 0;
+#X connect 19 0 23 0;
+#X connect 20 0 11 0;
+#X connect 21 0 9 0;
+#X connect 22 0 3 0;
+#X connect 23 0 2 1;
+#X connect 24 0 2 0;
+#X connect 25 0 23 0;
+#X connect 25 0 24 1;
+#X connect 27 1 16 0;
+#X connect 28 0 29 0;
+#X connect 29 0 30 0;
+#X connect 30 0 27 1;
--- /dev/null
+#N canvas 0 22 580 309 10;
+#X obj 37 71 aubiozcr~;
+#X obj 37 43 osc~ 441;
+#X floatatom 36 98 5 0 0 0 - - -;
+#X text 153 36 aubiozcr~ computes the zero-crossing rate;
+#X text 152 95 For a sine tone at 441Hz sampled at 44100Hz signal \,
+the ZCR is 0.02.;
+#X text 153 59 This value represents the number of times where the
+signal changes sign.;
+#X connect 0 0 2 0;
+#X connect 1 0 0 0;