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;
}
static int
Py_sink_init (Py_sink * self, PyObject * args, PyObject * kwds)
{
if (self->channels == 1) {
self->o = new_aubio_sink ( self->uri, self->samplerate );
} else {
self->o = new_aubio_sink ( self->uri, 0 );
aubio_sink_preset_channels ( self->o, self->channels );
aubio_sink_preset_samplerate ( self->o, self->samplerate );
}
if (self->o == NULL) {
PyErr_SetString (PyExc_StandardError, "error creating sink with this uri");
return -1;
}
self->samplerate = aubio_sink_get_samplerate ( self->o );
self->channels = aubio_sink_get_channels ( self->o );
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_init (int argc, char **argv)
{
/* parse command line arguments */
parse_args (argc, argv);
if (!usejack) {
debug ("Opening files ...\n");
this_source = new_aubio_source ((char_t*)source_uri, samplerate, hop_size);
if (this_source == NULL) {
errmsg ("Error: could not open input file %s\n", source_uri);
exit (1);
}
if (samplerate == 0) {
samplerate = aubio_source_get_samplerate(this_source);
}
if (sink_uri != NULL) {
uint_t sink_exists = (access(sink_uri, F_OK) == 0 );
if (!force_overwrite && sink_exists) {
errmsg ("Error: output file %s already exists, use -f to overwrite.\n",
sink_uri);
exit (1);
}
this_sink = new_aubio_sink ((char_t*)sink_uri, samplerate);
if (this_sink == NULL) {
errmsg ("Error: could not create output file %s\n", sink_uri);
exit (1);
}
}
#ifdef HAVE_JACK
} else {
debug ("Jack init ...\n");
jack_setup = new_aubio_jack (hop_size, 1, 1, 0, 1);
samplerate = aubio_jack_get_samplerate (jack_setup);
source_uri = "jack";
#endif /* HAVE_JACK */
}
ibuf = new_fvec (hop_size);
obuf = new_fvec (hop_size);
}
static int
Py_sink_init (Py_sink * self, PyObject * args, PyObject * kwds)
{
self->o = new_aubio_sink ( self->uri, 0 );
if (self->o == NULL) {
// error string was set in new_aubio_sink
return -1;
}
if (aubio_sink_preset_channels(self->o, self->channels) != 0) {
// error string was set in aubio_sink_preset_channels
return -1;
}
if (aubio_sink_preset_samplerate(self->o, self->samplerate) != 0) {
// error string was set in aubio_sink_preset_samplerate
return -1;
}
self->samplerate = aubio_sink_get_samplerate ( self->o );
self->channels = aubio_sink_get_channels ( self->o );
return 0;
}
