gstreamer/gst/gst-argtypes.c

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/* gst-python
* Copyright (C) 2004 Johan Dahlin
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Johan Dahlin <johan@gnome.org>
*/
#include <gst/gst.h>
#include "common.h"
gboolean
pygst_data_from_pyobject(PyObject *object, GstData **data)
{
if (pyg_boxed_check(object, GST_TYPE_DATA)) {
*data = pyg_boxed_get(object, GstData);
return TRUE;
} else if (pyg_boxed_check(object, GST_TYPE_BUFFER)) {
*data = GST_DATA (pyg_boxed_get(object, GstBuffer));
return TRUE;
} else if (pyg_boxed_check(object, GST_TYPE_EVENT)) {
*data = GST_DATA (pyg_boxed_get(object, GstEvent));
return TRUE;
}
PyErr_Clear();
PyErr_SetString(PyExc_TypeError, "could not convert to GstData");
return FALSE;
}
static PyObject *
PyGstData_from_value(const GValue *value)
{
GstData *data = (GstData *)g_value_get_boxed(value);
return pyg_boxed_new(GST_TYPE_DATA, data, TRUE, TRUE);
}
static int
PyGstData_to_value(GValue *value, PyObject *object)
{
GstData* data;
if (!pygst_data_from_pyobject(object, &data))
return -1;
g_value_set_boxed(value, data);
return 0;
}
void
_pygst_register_boxed_types(PyObject *moddict)
{
pyg_register_boxed_custom(GST_TYPE_DATA,
PyGstData_from_value,
PyGstData_to_value);
}