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93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
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/* -*- Mode: C; ; c-file-style: "python" -*- */
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/* gst-python
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* Copyright (C) 2010 Edward Hervey <bilboed@bilboed.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef _PYGST_H_
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#define _PYGST_H_
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#include <Python.h>
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#include <glib.h>
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#include <glib-object.h>
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#include "common.h"
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G_BEGIN_DECLS
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struct _PyGst_Functions {
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GstCaps* (*caps_from_pyobject) (PyObject *object, gboolean *copy);
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PyObject* (*iterator_new) (GstIterator *iter);
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PyObject* (*miniobject_new) (GstMiniObject *obj);
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};
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#ifndef _INSIDE_PYGST_
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#if defined(NO_IMPORT_PYGOBJECT)
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extern struct _PyGst_Functions *_PyGst_API;
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#else
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struct _PyGst_Functions *_PyGst_API;
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#endif
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#define pygst_caps_from_pyobject (_PyGst_API->caps_from_pyobject)
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#define pygst_iterator_new (_PyGst_API->iterator_new)
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#define pygstminiobject_new (_PyGst_API->miniobject_new)
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static inline PyObject *
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pygst_init(void)
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{
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PyObject *gstobject, *cobject;
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gstobject = PyImport_ImportModule("_gst");
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if (!gstobject) {
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if (PyErr_Occurred())
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{
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PyObject *type, *value, *traceback;
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PyObject *py_orig_exc;
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PyErr_Fetch(&type, &value, &traceback);
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py_orig_exc = PyObject_Repr(value);
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Py_XDECREF(type);
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Py_XDECREF(value);
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Py_XDECREF(traceback);
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PyErr_Format(PyExc_ImportError,
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"could not import gst (error was: %s)",
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PyString_AsString(py_orig_exc));
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Py_DECREF(py_orig_exc);
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} else {
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PyErr_SetString(PyExc_ImportError,
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"could not import gst (no error given)");
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}
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return NULL;
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}
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cobject = PyObject_GetAttrString(gstobject, "_PyGst_API");
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if (!cobject) {
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PyErr_SetString(PyExc_ImportError,
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"could not import gst (getting _PyGst_API)");
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return NULL;
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}
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_PyGst_API = (struct _PyGst_Functions *) PyCObject_AsVoidPtr(cobject);
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return gstobject;
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}
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#endif /* _INSIDE_PYGST_ */
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G_END_DECLS
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#endif /* !_PYGST_H_ */
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