+++ /dev/null
-/*
- Copyright (C) 2016 Paul Brossier <piem@aubio.org>
-
- This file is part of pd-aubio.
-
- aubio is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- aubio is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with aubio. If not, see <http://www.gnu.org/licenses/>.
-
-*/
-
-#include <m_pd.h>
-#define AUBIO_UNSTABLE 1
-#include <aubio/aubio.h>
-#include <string.h>
-
-char aubiostretchsf_version[] = "aubiostretchsf~ version " PACKAGE_VERSION;
-
-static t_class *aubiostretchsf_tilde_class;
-
-void aubiostretchsf_tilde_setup (void);
-
-typedef struct _aubiostretchsf_tilde
-{
- t_object x_obj;
- aubio_timestretch_t *o;
- fvec_t *out;
- t_inlet *inlet_s;
- t_inlet *inlet_t;
- t_outlet *outlet;
- t_outlet *outlet_done;
- t_clock *clock_done;
- smpl_t stretch;
- smpl_t transpose;
- //int opened;
- int playing;
- int ended;
- int waited_opening;
- int loop;
-} t_aubiostretchsf_tilde;
-
-static t_int *
-aubiostretchsf_tilde_perform (t_int * w)
-{
- t_aubiostretchsf_tilde *x = (t_aubiostretchsf_tilde *)(w[1]);
- t_sample *out = (t_sample *)(w[2]);
- int s_n = (int)w[3];
- int read = 0;
- if (x->playing && !aubio_timestretch_get_opened(x->o)) {
- x->waited_opening += s_n;
- }
- if (x->playing && aubio_timestretch_get_opened(x->o)) {
- if (x->waited_opening) {
- if (x->waited_opening > 0) {
- post("aubiostretchsf~: start while opening, waited %.2fms\t(%d samples)",
- 1000. * x->waited_opening / (float)sys_getsr(), x->waited_opening);
- }
- x->waited_opening = 0;
- }
- aubio_timestretch_set_stretch(x->o, x->stretch);
- aubio_timestretch_set_transpose(x->o, x->transpose);
- aubio_timestretch_do(x->o, x->out, &read);
- if (read > 0) {
- memcpy(out, x->out->data, read * sizeof(smpl_t));
- }
- if (read < s_n) {
- // eof was reached
- if (read > 0) {
- // the last buffer was uncomplete
- memset(out + read, 0, (s_n - read) * sizeof(smpl_t));
- }
- // signal the end of the file
- clock_delay(x->clock_done, 0);
- if (!x->loop) {
- x->playing = 0;
- x->ended = 1;
- } else {
- aubio_timestretch_seek(x->o, 0);
- }
- }
- } else {
- memset(out, 0, s_n * sizeof(smpl_t));
- }
- return (w + 4);
-}
-
-static void
-aubiostretchsf_tilde_tick(t_aubiostretchsf_tilde * x)
-{
- outlet_bang(x->outlet_done);
-}
-
-static void
-aubiostretchsf_tilde_dsp (t_aubiostretchsf_tilde * x, t_signal ** sp)
-{
- dsp_add (aubiostretchsf_tilde_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
-}
-
-static void *
-aubiostretchsf_tilde_new (t_symbol *s, int argc, t_atom *argv)
-{
- t_aubiostretchsf_tilde *x = (t_aubiostretchsf_tilde *)pd_new(aubiostretchsf_tilde_class);
- x->out = new_fvec(sys_getblksize());
- if (x->out == NULL) return NULL;
- x->clock_done = clock_new(x, (t_method)aubiostretchsf_tilde_tick);
- x->transpose = 0.;
- x->stretch = 1.;
- //x->opened = 0;
- x->playing = 0;
- x->loop = 0;
- x->ended = 0;
- x->waited_opening = 0;
- x->inlet_s = floatinlet_new (&x->x_obj, &x->stretch);
- x->inlet_t = floatinlet_new (&x->x_obj, &x->transpose);
- x->outlet = outlet_new(&x->x_obj, gensym("signal"));
- x->outlet_done = outlet_new(&x->x_obj, &s_bang);
- return (void *)x;
-}
-
-static void *
-aubiostretchsf_tilde_open (t_aubiostretchsf_tilde *x, t_symbol *s, int argc, t_atom *argv)
-{
- t_symbol *uri = atom_getsymbolarg(0, argc, argv);
- if (!*uri->s_name) {
- post("aubiostretchsf~: open: no filename given");
- return;
- }
- x->playing = 0;
- //x->opened = 0;
- //post("aubiostretchsf~: open %s", uri->s_name);
- if (x->o == NULL) {
- x->o = new_aubio_timestretch(uri->s_name, "default", 1., sys_getblksize(),
- sys_getsr());
- //if (x->o) x->opened = aubio_timestretch_get_opened(x->o);
- } else {
- if (!aubio_timestretch_queue(x->o, uri->s_name, sys_getsr())) {
- //x->opened = aubio_timestretch_get_opened(x->o);
- }
- }
-}
-
-void
-aubiostretchsf_tilde_float(t_aubiostretchsf_tilde *x, t_floatarg f) {
- if (!x->o) return;
- if (f == 3) {
- x->loop = !x->loop;
- } else
- if (f == 2) {
- uint_t res = aubio_timestretch_seek(x->o, 0);
- if (res != 0)
- post("failed seeking");
- x->loop = 0;
- x->ended = 0;
- x->playing = 1;
- } else if (f == 1) {
- //x->stretch = f;
- if (x->ended) {
- uint_t res = aubio_timestretch_seek(x->o, 0);
- if (res != 0)
- post("failed seeking");
- x->ended = 0;
- }
- x->playing = 1;
- } else {
- x->playing = 0;
- }
-}
-
-void
-aubiostretchsf_tilde_del (t_aubiostretchsf_tilde *x)
-{
- del_fvec(x->out);
- if (x->o) del_aubio_timestretch(x->o);
- inlet_free(x->inlet_s);
- inlet_free(x->inlet_t);
- outlet_free(x->outlet);
- outlet_free(x->outlet_done);
- clock_free(x->clock_done);
-}
-
-void
-aubiostretchsf_tilde_setup (void)
-{
- aubiostretchsf_tilde_class = class_new (gensym ("aubiostretchsf~"),
- (t_newmethod) aubiostretchsf_tilde_new,
- (t_method) aubiostretchsf_tilde_del,
- sizeof (t_aubiostretchsf_tilde),
- CLASS_DEFAULT, A_GIMME, 0);
- class_addfloat (aubiostretchsf_tilde_class, (t_method)aubiostretchsf_tilde_float);
- class_addmethod (aubiostretchsf_tilde_class,
- (t_method)aubiostretchsf_tilde_open, gensym ("open"), A_GIMME, 0);
- class_addmethod (aubiostretchsf_tilde_class,
- (t_method)aubiostretchsf_tilde_dsp, gensym ("dsp"), A_CANT, 0);
-}