+static PyObject* Pyaubio_source_iter(PyObject *self) {
+ Py_INCREF(self);
+ return (PyObject*)self;
+}
+
+static PyObject* Pyaubio_source_iter_next(Py_source *self) {
+ PyObject *done;
+ if (self->channels == 1) {
+ done = Py_source_do(self, NULL);
+ } else {
+ done = Py_source_do_multi(self, NULL);
+ }
+ if (!PyTuple_Check(done)) {
+ PyErr_Format(PyExc_ValueError,
+ "error when reading source: not opened?");
+ return NULL;
+ }
+ PyObject *size = PyTuple_GetItem(done, 1);
+ if (size != NULL && PyLong_Check(size)) {
+ if (PyLong_AsLong(size) == (long)self->hop_size) {
+ PyObject *vec = PyTuple_GetItem(done, 0);
+ return vec;
+ } else if (PyLong_AsLong(size) > 0) {
+ // short read
+ PyArrayObject *shortread = (PyArrayObject*)PyTuple_GetItem(done, 0);
+ PyArray_Dims newdims;
+ newdims.len = PyArray_NDIM(shortread);
+ newdims.ptr = PyArray_DIMS(shortread);
+ // mono or multiple channels?
+ if (newdims.len == 1) {
+ newdims.ptr[0] = PyLong_AsLong(size);
+ } else {
+ newdims.ptr[1] = PyLong_AsLong(size);
+ }
+ PyArray_Resize(shortread, &newdims, 1, NPY_ANYORDER);
+ return (PyObject*)shortread;
+ } else {
+ PyErr_SetNone(PyExc_StopIteration);
+ return NULL;
+ }
+ } else {
+ PyErr_SetNone(PyExc_StopIteration);
+ return NULL;
+ }
+}
+