/* function Py_sink_do */ static PyObject * Py_sink_do(Py_sink * self, PyObject * args) { /* input vectors python prototypes */ PyObject * write_data_obj; /* input vectors prototypes */ fvec_t* write_data; uint_t write; if (!PyArg_ParseTuple (args, "OI", &write_data_obj, &write)) { return NULL; } /* input vectors parsing */ write_data = PyAubio_ArrayToCFvec (write_data_obj); if (write_data == NULL) { return NULL; } /* compute _do function */ aubio_sink_do (self->o, write_data, write); Py_RETURN_NONE; }
int main (int argc, char **argv) { sint_t err = 0; if (argc < 4) { err = 2; PRINT_ERR("not enough arguments\n"); PRINT_MSG("usage: %s <input_path> <output_path> <sample_path> [samplerate]\n", argv[0]); return err; } uint_t samplerate = 0; // default is the samplerate of input_path uint_t hop_size = 256; uint_t n_frames = 0, read = 0; char_t *source_path = argv[1]; char_t *sink_path = argv[2]; char_t *sample_path = argv[3]; if ( argc == 5 ) samplerate = atoi(argv[4]); fvec_t *vec = new_fvec(hop_size); aubio_source_t *source = new_aubio_source(source_path, samplerate, hop_size); if (samplerate == 0 ) samplerate = aubio_source_get_samplerate(source); aubio_sink_t *sink = new_aubio_sink(sink_path, samplerate); aubio_sampler_t * sampler = new_aubio_sampler (samplerate, hop_size); aubio_sampler_load (sampler, sample_path); do { aubio_source_do(source, vec, &read); if (n_frames / hop_size == 10) { aubio_sampler_play ( sampler ); } if (n_frames / hop_size == 40) { aubio_sampler_play ( sampler ); } if (n_frames / hop_size == 70) { aubio_sampler_play ( sampler ); } if (n_frames > 10.0 * samplerate) { aubio_sampler_stop ( sampler ); } aubio_sampler_do (sampler, vec, vec); aubio_sink_do(sink, vec, read); n_frames += read; } while ( read == hop_size ); del_aubio_sampler(sampler); del_aubio_source(source); del_aubio_sink(sink); del_fvec(vec); aubio_cleanup(); return 0; }
int main (int argc, char **argv) { sint_t err = 0; if (argc < 3) { err = 2; PRINT_ERR("not enough arguments\n"); PRINT_MSG("usage: %s <input_path> <output_path> [samplerate] [hop_size]\n", argv[0]); return err; } char_t *source_path = argv[1]; char_t *sink_path = argv[2]; uint_t samplerate = 0; uint_t hop_size = 256; if ( argc >= 4 ) samplerate = atoi(argv[3]); if ( argc >= 5 ) hop_size = atoi(argv[4]); if ( argc >= 6 ) { err = 2; PRINT_ERR("too many arguments\n"); return err; } fvec_t *vec = new_fvec(hop_size); if (!vec) { err = 1; goto beach_fvec; } aubio_source_t *i = new_aubio_source(source_path, samplerate, hop_size); if (!i) { err = 1; goto beach_source; } if (samplerate == 0 ) samplerate = aubio_source_get_samplerate(i); aubio_sink_t *o = new_aubio_sink(sink_path, samplerate); if (!o) { err = 1; goto beach_sink; } uint_t n_frames = 0, read = 0; do { aubio_source_do(i, vec, &read); aubio_sink_do(o, vec, read); n_frames += read; } while ( read == hop_size ); PRINT_MSG("read %d frames at %dHz (%d blocks) from %s written to %s\n", n_frames, samplerate, n_frames / hop_size, source_path, sink_path); del_aubio_sink(o); beach_sink: del_aubio_source(i); beach_source: del_fvec(vec); beach_fvec: return err; }
void examples_common_process (aubio_process_func_t process_func, aubio_print_func_t print) { uint_t read = 0; if (usejack) { #ifdef HAVE_JACK ev.size = 3; ev.buffer = malloc (3 * sizeof (jack_midi_data_t)); ev.time = 0; // send it now debug ("Jack activation ...\n"); aubio_jack_activate (jack_setup, process_func); debug ("Processing (Ctrl+C to quit) ...\n"); pause (); aubio_jack_close (jack_setup); #else /* HAVE_JACK */ usage (stderr, 1); outmsg ("Compiled without jack output, exiting.\n"); #endif /* HAVE_JACK */ } else { uint_t total_read = 0; blocks = 0; do { aubio_source_do (this_source, ibuf, &read); process_func (ibuf, obuf); // print to console if verbose or no output given if (verbose || sink_uri == NULL) { print(); } if (this_sink) { aubio_sink_do (this_sink, obuf, hop_size); } blocks++; total_read += read; } while (read == hop_size); verbmsg ("read %.2fs (%d samples in %d blocks of %d) from %s at %dHz\n", total_read * 1. / samplerate, total_read, blocks, hop_size, source_uri, samplerate); del_aubio_source (this_source); del_aubio_sink (this_sink); } }