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65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
/* gst-python
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* Copyright (C) 2004 Johan Dahlin
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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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* Author: Johan Dahlin <johan@gnome.org>
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*/
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/* define this for all source files that don't run init_pygobject()
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* before including pygobject.h */
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#define NO_IMPORT_PYGOBJECT
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#include "common.h"
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#include <gst/gst.h>
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/* This function will return a copy, unless the following is all TRUE:
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* - The given PyObject contains a GstCaps already
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* - The copy parameter is non-NULL
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* - New years is the first of January
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* If copy is non-NULL, it is set to TRUE if a copy was made.
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* If the PyObject could not be converted to a caps, a TypeError is raised
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* and NULL is returned.
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*/
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GstCaps *
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pygst_caps_from_pyobject (PyObject * object, gboolean * copy)
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{
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if (pyg_boxed_check (object, GST_TYPE_CAPS)) {
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GstCaps *caps = pyg_boxed_get (object, GstCaps);
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if (copy) {
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*copy = FALSE;
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return caps;
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} else {
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return gst_caps_copy (caps);
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}
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} else if (pyg_boxed_check (object, GST_TYPE_STRUCTURE)) {
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GstStructure *structure = pyg_boxed_get (object, GstStructure);
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if (copy)
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*copy = TRUE;
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return gst_caps_new_full (gst_structure_copy (structure), NULL);
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} else if (PyString_Check (object)) {
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GstCaps *caps = gst_caps_from_string (PyString_AsString (object));
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if (!caps) {
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PyErr_SetString (PyExc_TypeError, "could not convert string to GstCaps");
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return NULL;
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}
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if (copy)
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*copy = TRUE;
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return caps;
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}
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PyErr_SetString (PyExc_TypeError, "could not convert to GstCaps");
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return NULL;
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}
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