diff options
Diffstat (limited to 'externals/grill/py/source/pybuffer.cpp')
| -rw-r--r-- | externals/grill/py/source/pybuffer.cpp | 828 |
1 files changed, 0 insertions, 828 deletions
diff --git a/externals/grill/py/source/pybuffer.cpp b/externals/grill/py/source/pybuffer.cpp deleted file mode 100644 index 82414e11..00000000 --- a/externals/grill/py/source/pybuffer.cpp +++ /dev/null @@ -1,828 +0,0 @@ -/* -py/pyext - python script object for PD and Max/MSP - -Copyright (c)2002-2008 Thomas Grill (gr@grrrr.org) -For information on usage and redistribution, and for a DISCLAIMER OF ALL -WARRANTIES, see the file, "license.txt," in this distribution. - -$LastChangedRevision: 26 $ -$LastChangedDate: 2008-01-04 12:24:43 +0100 (Fri, 04 Jan 2008) $ -$LastChangedBy: thomas $ -*/ - -#include "pybase.h" - -#undef PY_ARRAYS - - -#if defined(PY_NUMERIC) || defined(PY_NUMPY) || defined(PY_NUMARRAY) - #define PY_ARRAYS 1 -#endif - -#ifdef PY_ARRAYS - -#ifdef PY_NUMARRAY -# if FLEXT_OS == FLEXT_OS_MAC -# include <Python/numarray/libnumarray.h> -# else -# include <numarray/libnumarray.h> -# endif - -static NumarrayType numtype = tAny; -inline bool arrsupport() { return numtype != tAny; } - -#else -# if defined(PY_NUMPY) -# include <numpy/arrayobject.h> -# else -# if FLEXT_OS == FLEXT_OS_MAC -# include <Python/numarray/arrayobject.h> -# else -# include <numarray/arrayobject.h> -# endif -# endif - - static PyArray_TYPES numtype = PyArray_NOTYPE; - inline bool arrsupport() { return numtype != PyArray_NOTYPE; } -#endif -#endif - - -PyObject *pybase::py_arraysupport(PyObject *self,PyObject *args) -{ - PyObject *ret; -#ifdef PY_ARRAYS - ret = Py_True; -#else - ret = Py_False; -#endif - Py_INCREF(ret); - return ret; -} - - -// PD defines a T_OBJECT symbol -#undef T_OBJECT - -#if FLEXT_OS == FLEXT_OS_MAC -#include "Python/bufferobject.h" -#include "Python/structmember.h" -#else -#include "bufferobject.h" -#include "structmember.h" -#endif - -static PyObject *buffer_new(PyTypeObject *type, PyObject *args, PyObject *kwds) -{ - pySamplebuffer *self = (pySamplebuffer *)pySamplebuffer_Type.tp_alloc(&pySamplebuffer_Type, 0); - self->sym = NULL; - self->buf = NULL; - self->dirty = false; - return (PyObject *)self; -} - -static void buffer_dealloc(PyObject *obj) -{ - pySamplebuffer *self = (pySamplebuffer *)obj; - - if(self->buf) { - self->buf->Unlock(self->lock); - if(self->dirty) self->buf->Dirty(true); - delete self->buf; - } - - obj->ob_type->tp_free(obj); -} - -static int buffer_init(PyObject *obj, PyObject *args, PyObject *kwds) -{ - FLEXT_ASSERT(pySamplebuffer_Check(obj)); - - PyObject *arg = PySequence_GetItem(args,0); // new reference - if(!arg) return -1; - - int ret = 0; - - pySamplebuffer *self = (pySamplebuffer *)obj; - FLEXT_ASSERT(!self->sym && !self->buf); - - if(pySymbol_Check(arg)) - self->sym = pySymbol_AS_SYMBOL(arg); - else if(PyString_Check(arg)) - self->sym = flext::MakeSymbol(PyString_AS_STRING(arg)); - else - ret = -1; - Py_DECREF(arg); - - if(self->sym) { - flext::buffer *b = new flext::buffer(self->sym); - if(b->Ok() && b->Valid()) - self->lock = (self->buf = b)->Lock(); - else - delete b; - } - - return ret; -} - -static PyObject *buffer_repr(PyObject *self) -{ - FLEXT_ASSERT(pySamplebuffer_Check(self)); - return (PyObject *)PyString_FromFormat("<Samplebuffer %s>",pySamplebuffer_AS_STRING(self)); -} - -static long buffer_hash(PyObject *self) -{ - FLEXT_ASSERT(pySamplebuffer_Check(self)); - return (long)(((pySamplebuffer *)self)->buf); -} - -static PyObject *buffer_getsymbol(pySamplebuffer* self,void *closure) -{ - if(self->sym) - return pySymbol_FromSymbol(self->sym); - else { - Py_INCREF(Py_None); - return Py_None; - } -} - -static PyGetSetDef buffer_getseters[] = { - {"symbol",(getter)buffer_getsymbol, NULL, NULL}, - {NULL} /* Sentinel */ -}; - -static PyObject *buffer_dirty(PyObject *obj) -{ - ((pySamplebuffer *)obj)->dirty = true; - Py_INCREF(Py_None); - return Py_None; -} - -static PyObject *buffer_resize(PyObject *obj,PyObject *args,PyObject *kwds) -{ - flext::buffer *b = ((pySamplebuffer *)obj)->buf; - if(b) { - int frames,keep = 1,zero = 1; - static char *kwlist[] = {"frames", "keep", "zero", NULL}; - if(!PyArg_ParseTupleAndKeywords(args, kwds, "i|ii", kwlist, &frames, &keep, &zero)) - return NULL; - - b->Frames(frames,keep != 0,zero != 0); - - Py_INCREF(obj); - return obj; - } - else { - PyErr_SetString(PyExc_RuntimeError,"Invalid buffer"); - return NULL; - } -} - -static PyMethodDef buffer_methods[] = { - {"dirty", (PyCFunction)buffer_dirty,METH_NOARGS,"Mark buffer as dirty"}, - {"resize", (PyCFunction)buffer_resize,METH_VARARGS|METH_KEYWORDS,"Resize buffer"}, - {NULL} /* Sentinel */ -}; - - - -// support the buffer protocol - -static Py_ssize_t buffer_readbuffer(PyObject *obj, Py_ssize_t segment, void **ptrptr) -{ - flext::buffer *b = ((pySamplebuffer *)obj)->buf; - ptrptr[0] = b->Data(); - return b->Channels()*b->Frames()*sizeof(t_sample); -} - -static Py_ssize_t buffer_writebuffer(PyObject *obj, Py_ssize_t segment, void **ptrptr) -{ - flext::buffer *b = ((pySamplebuffer *)obj)->buf; - ptrptr[0] = b->Data(); - return b->Channels()*b->Frames()*sizeof(t_sample); -} - -static Py_ssize_t buffer_segcount(PyObject *obj, Py_ssize_t *lenp) -{ - flext::buffer *b = ((pySamplebuffer *)obj)->buf; - if(lenp) lenp[0] = b->Channels()*b->Frames()*sizeof(t_sample); - return 1; -} - -static Py_ssize_t buffer_charbuffer(PyObject *obj, Py_ssize_t segment, -#if PY_VERSION_HEX < 0x02050000 - const -#endif - char **ptrptr) -{ - flext::buffer *b = ((pySamplebuffer *)obj)->buf; - ptrptr[0] = (char *)b->Data(); - return b->Channels()*b->Frames()*sizeof(t_sample); -} - -static PyBufferProcs buffer_as_buffer = { - buffer_readbuffer, - buffer_writebuffer, - buffer_segcount, - buffer_charbuffer -}; - -static Py_ssize_t buffer_length(PyObject *s) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - return self->buf?self->buf->Frames():0; -} - -static PyObject *buffer_item(PyObject *s,Py_ssize_t i) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *ret; - if(self->buf) { - if (i < 0 || i >= self->buf->Frames()) { - PyErr_SetString(PyExc_IndexError,"Index out of range"); - ret = NULL; - } - else { - if(self->buf->Channels() == 1) - ret = PyFloat_FromDouble(self->buf->Data()[i]); - else { - PyErr_SetString(PyExc_NotImplementedError,"Multiple channels not implemented yet"); - ret = NULL; - } - } - } - else { - Py_INCREF(Py_None); - ret = Py_None; - } - return ret; -} - -PyObject *arrayfrombuffer(PyObject *buf,int c,int n) -{ -#ifdef PY_ARRAYS - if(arrsupport()) { - PyObject *arr; - int shape[2]; - shape[0] = n; - shape[1] = c; -#ifdef PY_NUMARRAY - arr = (PyObject *)NA_NewAllFromBuffer(c == 1?1:2,shape,numtype,buf,0,0,NA_ByteOrder(),1,1); -#else - void *data; - Py_ssize_t len; - int err = PyObject_AsWriteBuffer(buf,&data,&len); - if(!err) { - FLEXT_ASSERT(len <= n*c*sizeof(t_sample)); - Py_INCREF(buf); - // \todo change to new API! - arr = PyArray_FromDimsAndData(c == 1?1:2,shape,numtype,(char *)data); - } - else { - // exception string is already set - arr = NULL; - } -#endif - return arr; - } - else -#endif - return NULL; -} - -static PyObject *buffer_slice(PyObject *s,Py_ssize_t ilow = 0,Py_ssize_t ihigh = 1<<(sizeof(int)*8-2)) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *ret; -#ifdef PY_ARRAYS - if(arrsupport()) { - if(self->buf) { - const int n = self->buf->Frames(); - const int c = self->buf->Channels(); - if(ilow < 0) ilow += n; - if(ilow >= n) ilow = n-1; - if(ihigh < 0) ihigh += n; - if(ihigh > n) ihigh = n; - - PyObject *nobj = arrayfrombuffer((PyObject *)self,c,n); - if(ilow != 0 || ihigh != n) { - ret = PySequence_GetSlice(nobj,ilow,ihigh); - Py_DECREF(nobj); - } - else - ret = nobj; - } - else { - Py_INCREF(Py_None); - ret = Py_None; - } - } - else -#endif - { - PyErr_SetString(PyExc_RuntimeError,"No numarray support"); - ret = NULL; - } - return ret; -} - -static int buffer_ass_item(PyObject *s,Py_ssize_t i,PyObject *v) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - int ret; - if(self->buf) { - if (i < 0 || i >= self->buf->Frames()) { - PyErr_Format(PyExc_IndexError,"Index out of range"); - ret = -1; - } - else { - if(self->buf->Channels() == 1) { - self->buf->Data()[i] = (t_sample)PyFloat_AsDouble(v); - if(PyErr_Occurred()) { - // cast to double failed - PyErr_SetString(PyExc_TypeError,"Value must be a numarray"); - ret = -1; - } - else { - self->dirty = true; - ret = 0; - } - } - else { - PyErr_SetString(PyExc_NotImplementedError,"Multiple channels not implemented yet"); - ret = -1; - } - } - } - else - ret = -1; - return ret; -} - -static int buffer_ass_slice(PyObject *s,Py_ssize_t ilow,Py_ssize_t ihigh,PyObject *value) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - int ret; -#ifdef PY_ARRAYS - if(arrsupport()) { - if(!value) { - PyErr_SetString(PyExc_TypeError,"Object doesn't support item deletion"); - ret = -1; - } - else if(self->buf) { - const int n = self->buf->Frames(); - const int c = self->buf->Channels(); - if(ilow < 0) ilow += n; - if(ilow >= n) ilow = n-1; - if(ihigh < 0) ihigh += n; - if(ihigh > n) ihigh = n; - -#ifdef PY_NUMARRAY - PyArrayObject *out = NA_InputArray(value,numtype,NUM_C_ARRAY); -#else - PyArrayObject *out = (PyArrayObject *)PyArray_ContiguousFromObject(value,numtype,0,0); -#endif - if(!out) { - PyErr_SetString(PyExc_TypeError,"Assigned object must be a numarray"); - ret = -1; - } - else if(out->nd != 1) { - PyErr_SetString(PyExc_NotImplementedError,"Multiple dimensions not supported yet"); - ret = -1; - } - else { - int dlen = ihigh-ilow; - int slen = out->dimensions[0]; -#ifdef PY_NUMARRAY - flext::CopySamples(self->buf->Data()+ilow,(t_sample *)NA_OFFSETDATA(out),slen < dlen?slen:dlen); -#else - flext::CopySamples(self->buf->Data()+ilow,(t_sample *)out->data,slen < dlen?slen:dlen); -#endif - self->dirty = true; - ret = 0; - } - - Py_XDECREF(out); - } - else { - PyErr_SetString(PyExc_ValueError,"Buffer is not assigned"); - ret = -1; - } - } - else -#endif - { - PyErr_SetString(PyExc_RuntimeError,"No numarray support"); - ret = -1; - } - return ret; -} - -static PyObject *buffer_concat(PyObject *s,PyObject *op) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PySequence_Concat(nobj,op); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - -static PyObject *buffer_repeat(PyObject *s,Py_ssize_t rep) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PySequence_Repeat(nobj,rep); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - - -static PySequenceMethods buffer_as_seq = { - buffer_length, /* inquiry sq_length; __len__ */ - buffer_concat, /* __add__ */ - buffer_repeat, /* __mul__ */ - buffer_item, /* intargfunc sq_item; __getitem__ */ - buffer_slice, /* intintargfunc sq_slice; __getslice__ */ - buffer_ass_item, /* intobjargproc sq_ass_item; __setitem__ */ - buffer_ass_slice, /* intintobjargproc sq_ass_slice; __setslice__ */ -}; - -static PyObject *buffer_iter(PyObject *s) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *it = PyObject_GetIter(nobj); - Py_DECREF(nobj); - return it; - } - else - return NULL; -} - - -static PyObject *buffer_add(PyObject *s,PyObject *op) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PyNumber_Add(nobj,op); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - -static PyObject *buffer_subtract(PyObject *s,PyObject *op) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PyNumber_Subtract(nobj,op); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - -static PyObject *buffer_multiply(PyObject *s,PyObject *op) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PyNumber_Multiply(nobj,op); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - -static PyObject *buffer_divide(PyObject *s,PyObject *op) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PyNumber_Divide(nobj,op); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - -static PyObject *buffer_remainder(PyObject *s,PyObject *op) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PyNumber_Remainder(nobj,op); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - -static PyObject *buffer_divmod(PyObject *s,PyObject *op) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PyNumber_Divmod(nobj,op); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - -static PyObject *buffer_power(PyObject *s,PyObject *op1,PyObject *op2) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PyNumber_Power(nobj,op1,op2); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - -static PyObject *buffer_negative(PyObject *s) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PyNumber_Negative(nobj); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - -static PyObject *buffer_pos(PyObject *s) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PyNumber_Positive(nobj); - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - -static PyObject *buffer_absolute(PyObject *s) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PyNumber_Absolute(nobj); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - -static int buffer_coerce(PyObject **pm, PyObject **pw) -{ - if(pySamplebuffer_Check(*pw)) { - Py_INCREF(*pm); - Py_INCREF(*pw); - return 0; - } - else - return 1; -} - -static PyObject *buffer_inplace_add(PyObject *s,PyObject *op) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PyNumber_InPlaceAdd(nobj,op); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - -static PyObject *buffer_inplace_subtract(PyObject *s,PyObject *op) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PyNumber_InPlaceSubtract(nobj,op); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - -static PyObject *buffer_inplace_multiply(PyObject *s,PyObject *op) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PyNumber_InPlaceMultiply(nobj,op); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - -static PyObject *buffer_inplace_divide(PyObject *s,PyObject *op) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PyNumber_InPlaceDivide(nobj,op); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - -static PyObject *buffer_inplace_remainder(PyObject *s,PyObject *op) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PyNumber_InPlaceRemainder(nobj,op); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - -static PyObject *buffer_inplace_power(PyObject *s,PyObject *op1,PyObject *op2) -{ - pySamplebuffer *self = reinterpret_cast<pySamplebuffer *>(s); - PyObject *nobj = buffer_slice(s); - if(nobj) { - PyObject *ret = PyNumber_InPlacePower(nobj,op1,op2); - if(ret == nobj) self->dirty = true; - Py_DECREF(nobj); - return ret; - } - else - return NULL; -} - - - -static PyNumberMethods buffer_as_number = { - (binaryfunc)buffer_add, /*nb_add*/ - (binaryfunc)buffer_subtract, /*nb_subtract*/ - (binaryfunc)buffer_multiply, /*nb_multiply*/ - (binaryfunc)buffer_divide, /*nb_divide*/ - (binaryfunc)buffer_remainder, /*nb_remainder*/ - (binaryfunc)buffer_divmod, /*nb_divmod*/ - (ternaryfunc)buffer_power, /*nb_power*/ - (unaryfunc)buffer_negative, - (unaryfunc)buffer_pos, /*nb_pos*/ - (unaryfunc)buffer_absolute, /* (unaryfunc)buffer_abs, */ - 0, //(inquiry)buffer_nonzero, /*nb_nonzero*/ - 0, /*nb_invert*/ - 0, /*nb_lshift*/ - 0, /*nb_rshift*/ - 0, /*nb_and*/ - 0, /*nb_xor*/ - 0, /*nb_or*/ - (coercion)buffer_coerce, /*nb_coerce*/ - 0, /*nb_int*/ - 0, /*nb_long*/ - 0, /*nb_float*/ - 0, /*nb_oct*/ - 0, /*nb_hex*/ - (binaryfunc)buffer_inplace_add, /* nb_inplace_add */ - (binaryfunc)buffer_inplace_subtract, /* nb_inplace_subtract */ - (binaryfunc)buffer_inplace_multiply, /* nb_inplace_multiply */ - (binaryfunc)buffer_inplace_divide, /* nb_inplace_divide */ - (binaryfunc)buffer_inplace_remainder, /* nb_inplace_remainder */ - (ternaryfunc)buffer_inplace_power, /* nb_inplace_power */ - 0, /* nb_inplace_lshift */ - 0, /* nb_inplace_rshift */ - 0, /* nb_inplace_and */ - 0, /* nb_inplace_xor */ - 0, /* nb_inplace_or */ -// buffer_floor_div, /* nb_floor_divide */ -// buffer_div, /* nb_true_divide */ -// buffer_inplace_floor_div, /* nb_inplace_floor_divide */ -// buffer_inplace_div, /* nb_inplace_true_divide */ -}; - -PyTypeObject pySamplebuffer_Type = { - PyObject_HEAD_INIT(NULL) - 0, /*ob_size*/ - "Buffer", /*tp_name*/ - sizeof(pySamplebuffer), /*tp_basicsize*/ - 0, /*tp_itemsize*/ - buffer_dealloc, /*tp_dealloc*/ - 0, /*tp_print*/ - 0, /*tp_getattr*/ - 0, /*tp_setattr*/ - 0, /*tp_compare*/ - buffer_repr, /*tp_repr*/ - &buffer_as_number, /*tp_as_number*/ - &buffer_as_seq, /*tp_as_sequence*/ - 0, /*tp_as_mapping*/ - buffer_hash, /*tp_hash */ - 0, /*tp_call*/ - 0, /*tp_str*/ - 0, /*tp_getattro*/ - 0, /*tp_setattro*/ - &buffer_as_buffer, /*tp_as_buffer*/ - Py_TPFLAGS_DEFAULT /*| Py_TPFLAGS_BASETYPE*/, /*tp_flags*/ - "Samplebuffer objects", /* tp_doc */ - 0, /* tp_traverse */ - 0, /* tp_clear */ - 0 /*buffer_richcompare*/, /* tp_richcompare */ - 0, /* tp_weaklistoffset */ - buffer_iter, /* tp_iter */ - 0, /* tp_iternext */ - buffer_methods, /* tp_methods */ - 0, /* tp_members */ - buffer_getseters, /* tp_getset */ - 0, /* tp_base */ - 0, /* tp_dict */ - 0, /* tp_descr_get */ - 0, /* tp_descr_set */ - 0, /* tp_dictoffset */ - buffer_init, /* tp_init */ - 0, /* tp_alloc */ - buffer_new, /* tp_new */ -}; - -// Must have this as a function because the import_array macro in numpy version 1.01 strangely has a return statement included. -// Furthermore the import error printout from this macro is ugly, but we accept that for more, waiting for later numpy updates to fix all of this. -static void __import_array__() -{ -#ifdef PY_NUMARRAY - import_libnumarray(); -#else - import_array(); -#endif -} - -void initsamplebuffer() -{ -#ifdef PY_ARRAYS - __import_array__(); - if(PyErr_Occurred()) - // catch import error - PyErr_Clear(); - else { - // numarray support ok -#ifdef PY_NUMARRAY - numtype = sizeof(t_sample) == 4?tFloat32:tFloat64; -#else - numtype = sizeof(t_sample) == 4?PyArray_FLOAT:PyArray_DOUBLE; -#endif - post(""); - post("Python array support enabled"); - } -#endif - - if(PyType_Ready(&pySamplebuffer_Type) < 0) - FLEXT_ASSERT(false); - else - Py_INCREF(&pySamplebuffer_Type); -} |