-#include "aubiowraphell.h"
+#include "aubio-types.h"
typedef struct
{
aubio_sink_t * o;
char_t* uri;
uint_t samplerate;
+ uint_t channels;
+ fvec_t write_data;
+ fmat_t mwrite_data;
} Py_sink;
-static char Py_sink_doc[] = "sink object";
+static char Py_sink_doc[] = ""
+"sink(path, samplerate=44100, channels=1)\n"
+"\n"
+"Write audio samples to file.\n"
+"\n"
+"Parameters\n"
+"----------\n"
+"path : str\n"
+" Pathname of the file to be opened for writing.\n"
+"samplerate : int\n"
+" Sampling rate of the file, in Hz.\n"
+"channels : int\n"
+" Number of channels to create the file with.\n"
+"\n"
+"Examples\n"
+"--------\n"
+"\n"
+"Create a new sink at 44100Hz, mono:\n"
+"\n"
+">>> snk = aubio.sink('out.wav')\n"
+"\n"
+"Create a new sink at 32000Hz, stereo, write 100 samples into it:\n"
+"\n"
+">>> snk = aubio.sink('out.wav', samplerate=16000, channels=3)\n"
+">>> snk(aubio.fvec(100), 100)\n"
+"\n"
+"Open a new sink at 48000Hz, stereo, write `1234` samples into it:\n"
+"\n"
+">>> with aubio.sink('out.wav', samplerate=48000, channels=2) as src:\n"
+"... snk(aubio.fvec(1024), 1024)\n"
+"... snk(aubio.fvec(210), 210)\n"
+"...\n"
+"\n"
+"See also\n"
+"--------\n"
+"source: read audio samples from a file.\n"
+"\n";
+
+static char Py_sink_do_doc[] = ""
+"do(vec, write)\n"
+"\n"
+"Write a single channel vector to sink.\n"
+"\n"
+"Parameters\n"
+"----------\n"
+"vec : fvec\n"
+" input vector `(n,)` where `n >= 0`.\n"
+"write : int\n"
+" Number of samples to write.\n"
+"";
+
+static char Py_sink_do_multi_doc[] = ""
+"do_multi(mat, write)\n"
+"\n"
+"Write a matrix containing vectors from multiple channels to sink.\n"
+"\n"
+"Parameters\n"
+"----------\n"
+"mat : numpy.ndarray\n"
+" input matrix of shape `(channels, n)`, where `n >= 0`.\n"
+"write : int\n"
+" Number of frames to write.\n"
+"";
+
+static char Py_sink_close_doc[] = ""
+"close()\n"
+"\n"
+"Close this sink now.\n"
+"\n"
+"By default, the sink will be closed before being deleted.\n"
+"Explicitly closing a sink can be useful to control the number\n"
+"of files simultaneously opened.\n"
+"";
static PyObject *
Py_sink_new (PyTypeObject * pytype, PyObject * args, PyObject * kwds)
Py_sink *self;
char_t* uri = NULL;
uint_t samplerate = 0;
- static char *kwlist[] = { "uri", "samplerate", NULL };
+ uint_t channels = 0;
+ static char *kwlist[] = { "uri", "samplerate", "channels", NULL };
- if (!PyArg_ParseTupleAndKeywords (args, kwds, "|sI", kwlist,
- &uri, &samplerate)) {
+ if (!PyArg_ParseTupleAndKeywords (args, kwds, "|sII", kwlist,
+ &uri, &samplerate, &channels)) {
return NULL;
}
return NULL;
}
- self->uri = "none";
+ self->uri = NULL;
if (uri != NULL) {
- self->uri = uri;
+ self->uri = (char_t *)malloc(sizeof(char_t) * (strnlen(uri, PATH_MAX) + 1));
+ strncpy(self->uri, uri, strnlen(uri, PATH_MAX) + 1);
}
self->samplerate = Py_aubio_default_samplerate;
- if ((sint_t)samplerate > 0) {
+ if (samplerate != 0) {
self->samplerate = samplerate;
- } else if ((sint_t)samplerate < 0) {
- PyErr_SetString (PyExc_ValueError,
- "can not use negative value for samplerate");
- return NULL;
+ }
+
+ self->channels = 1;
+ if (channels != 0) {
+ self->channels = channels;
}
return (PyObject *) self;
}
-AUBIO_INIT(sink , self->uri, self->samplerate)
+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;
+}
-AUBIO_DEL(sink)
+static void
+Py_sink_del (Py_sink *self, PyObject *unused)
+{
+ if (self->o) {
+ del_aubio_sink(self->o);
+ free(self->mwrite_data.data);
+ }
+ if (self->uri) {
+ free(self->uri);
+ }
+ Py_TYPE(self)->tp_free((PyObject *) self);
+}
/* function Py_sink_do */
-static PyObject *
+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;
return NULL;
}
-
/* input vectors parsing */
- write_data = PyAubio_ArrayToCFvec (write_data_obj);
+ if (!PyAubio_ArrayToCFvec(write_data_obj, &(self->write_data))) {
+ return NULL;
+ }
+
+
+ /* compute _do function */
+ aubio_sink_do (self->o, &(self->write_data), write);
- if (write_data == NULL) {
+ Py_RETURN_NONE;
+}
+
+/* function Py_sink_do_multi */
+static PyObject *
+Py_sink_do_multi(Py_sink * self, PyObject * args)
+{
+ /* input vectors python prototypes */
+ PyObject * write_data_obj;
+
+ /* input vectors prototypes */
+ uint_t write;
+
+
+ if (!PyArg_ParseTuple (args, "OI", &write_data_obj, &write)) {
return NULL;
}
-
-
+ /* input vectors parsing */
+ if (!PyAubio_ArrayToCFmat(write_data_obj, &(self->mwrite_data))) {
+ return NULL;
+ }
/* compute _do function */
- aubio_sink_do (self->o, write_data, write);
-
+ aubio_sink_do_multi (self->o, &(self->mwrite_data), write);
Py_RETURN_NONE;
}
-AUBIO_MEMBERS_START(sink)
- {"uri", T_STRING, offsetof (Py_sink, uri), READONLY, ""},
- {"samplerate", T_INT, offsetof (Py_sink, samplerate), READONLY, ""},
-AUBIO_MEMBERS_STOP(sink)
+static PyMemberDef Py_sink_members[] = {
+ {"uri", T_STRING, offsetof (Py_sink, uri), READONLY,
+ "str (read-only): Path at which the sink was created."},
+ {"samplerate", T_INT, offsetof (Py_sink, samplerate), READONLY,
+ "int (read-only): Samplerate at which the sink was created."},
+ {"channels", T_INT, offsetof (Py_sink, channels), READONLY,
+ "int (read-only): Number of channels with which the sink was created."},
+ { NULL } // sentinel
+};
static PyObject *
Pyaubio_sink_close (Py_sink *self, PyObject *unused)
{
- del_aubio_sink (self->o);
- self->o = NULL;
+ aubio_sink_close (self->o);
Py_RETURN_NONE;
}
+static char Pyaubio_sink_enter_doc[] = "";
+static PyObject* Pyaubio_sink_enter(Py_sink *self, PyObject *unused) {
+ Py_INCREF(self);
+ return (PyObject*)self;
+}
+
+static char Pyaubio_sink_exit_doc[] = "";
+static PyObject* Pyaubio_sink_exit(Py_sink *self, PyObject *unused) {
+ return Pyaubio_sink_close(self, unused);
+}
+
static PyMethodDef Py_sink_methods[] = {
- {"close", (PyCFunction) Pyaubio_sink_close,
- METH_NOARGS, ""},
+ {"do", (PyCFunction) Py_sink_do, METH_VARARGS, Py_sink_do_doc},
+ {"do_multi", (PyCFunction) Py_sink_do_multi, METH_VARARGS, Py_sink_do_multi_doc},
+ {"close", (PyCFunction) Pyaubio_sink_close, METH_NOARGS, Py_sink_close_doc},
+ {"__enter__", (PyCFunction)Pyaubio_sink_enter, METH_NOARGS,
+ Pyaubio_sink_enter_doc},
+ {"__exit__", (PyCFunction)Pyaubio_sink_exit, METH_VARARGS,
+ Pyaubio_sink_exit_doc},
{NULL} /* sentinel */
};
-AUBIO_TYPEOBJECT(sink, "aubio.sink")
+PyTypeObject Py_sinkType = {
+ PyVarObject_HEAD_INIT (NULL, 0)
+ "aubio.sink",
+ sizeof (Py_sink),
+ 0,
+ (destructor) Py_sink_del,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ (ternaryfunc)Py_sink_do,
+ 0,
+ 0,
+ 0,
+ 0,
+ Py_TPFLAGS_DEFAULT,
+ Py_sink_doc,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ Py_sink_methods,
+ Py_sink_members,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ (initproc) Py_sink_init,
+ 0,
+ Py_sink_new,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+};
projects / aubio.git / blobdiff