-#include "aubiowraphell.h"
+#include "aubio-types.h"
typedef struct
{
char_t* uri;
uint_t samplerate;
uint_t channels;
+ fvec_t write_data;
+ fmat_t mwrite_data;
} Py_sink;
static char Py_sink_doc[] = ""
-" __new__(path, samplerate = 44100, channels = 1)\n"
+"sink(path, samplerate=44100, channels=1)\n"
"\n"
-" Create a new sink, opening the given path for writing.\n"
+"Write audio samples to file.\n"
"\n"
-" Examples\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"
-" Create a new sink at 44100Hz, mono:\n"
+"Examples\n"
+"--------\n"
"\n"
-" >>> sink('/tmp/t.wav')\n"
+"Create a new sink at 44100Hz, mono:\n"
"\n"
-" Create a new sink at 8000Hz, mono:\n"
+">>> snk = aubio.sink('out.wav')\n"
"\n"
-" >>> sink('/tmp/t.wav', samplerate = 8000)\n"
+"Create a new sink at 32000Hz, stereo, write 100 samples into it:\n"
"\n"
-" Create a new sink at 32000Hz, stereo:\n"
+">>> snk = aubio.sink('out.wav', samplerate=16000, channels=3)\n"
+">>> snk(aubio.fvec(100), 100)\n"
"\n"
-" >>> sink('/tmp/t.wav', samplerate = 32000, channels = 2)\n"
+"Open a new sink at 48000Hz, stereo, write `1234` samples into it:\n"
"\n"
-" Create a new sink at 32000Hz, 5 channels:\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"
-" >>> sink('/tmp/t.wav', channels = 5, samplerate = 32000)\n"
-"\n"
-" __call__(vec, write)\n"
-" x(vec,write) <==> x.do(vec, write)\n"
-"\n"
-" Write vector to sink.\n"
-"\n"
-" See also\n"
-" --------\n"
-" aubio.sink.do\n"
+"See also\n"
+"--------\n"
+"source: read audio samples from a file.\n"
"\n";
static char Py_sink_do_doc[] = ""
-"x.do(vec, write) <==> x(vec, write)\n"
+"do(vec, write)\n"
"\n"
-"write monophonic vector to sink";
+"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[] = ""
-"x.do_multi(mat, write)\n"
+"do_multi(mat, write)\n"
+"\n"
+"Write a matrix containing vectors from multiple channels to sink.\n"
"\n"
-"write polyphonic vector to sink";
+"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[] = ""
-"x.close()\n"
+"close()\n"
"\n"
-"close this sink now";
+"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)
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 ((sint_t)channels > 0) {
+ if (channels != 0) {
self->channels = channels;
- } else if ((sint_t)channels < 0) {
- PyErr_SetString (PyExc_ValueError,
- "can not use negative or null value for channels");
- return NULL;
}
return (PyObject *) self;
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 );
- }
+ self->o = new_aubio_sink ( self->uri, 0 );
if (self->o == NULL) {
- PyErr_SetString (PyExc_StandardError, "error creating sink with this uri");
+ // 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 *
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 (write_data == NULL) {
+ if (!PyAubio_ArrayToCFvec(write_data_obj, &(self->write_data))) {
return NULL;
}
-
-
-
/* compute _do function */
- aubio_sink_do (self->o, write_data, write);
+ aubio_sink_do (self->o, &(self->write_data), write);
Py_RETURN_NONE;
}
PyObject * write_data_obj;
/* input vectors prototypes */
- fmat_t * write_data;
uint_t write;
/* input vectors parsing */
- write_data = PyAubio_ArrayToCFmat (write_data_obj);
-
- if (write_data == NULL) {
+ if (!PyAubio_ArrayToCFmat(write_data_obj, &(self->mwrite_data))) {
return NULL;
}
-
-
-
-
/* compute _do function */
- aubio_sink_do_multi (self->o, write_data, write);
+ aubio_sink_do_multi (self->o, &(self->mwrite_data), write);
Py_RETURN_NONE;
}
-AUBIO_MEMBERS_START(sink)
+static PyMemberDef Py_sink_members[] = {
{"uri", T_STRING, offsetof (Py_sink, uri), READONLY,
- "path at which the sink was created"},
+ "str (read-only): Path at which the sink was created."},
{"samplerate", T_INT, offsetof (Py_sink, samplerate), READONLY,
- "samplerate at which the sink was created"},
+ "int (read-only): Samplerate at which the sink was created."},
{"channels", T_INT, offsetof (Py_sink, channels), READONLY,
- "number of channels with which the sink was created"},
-AUBIO_MEMBERS_STOP(sink)
+ "int (read-only): Number of channels with which the sink was created."},
+ { NULL } // sentinel
+};
static PyObject *
Pyaubio_sink_close (Py_sink *self, PyObject *unused)
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[] = {
{"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